一cpio的介绍

功能：复制文件从或到归档

cpio命令是通过重定向的方式将文件进行打包备份，还原恢复的工具，它可以解压以“.cpio”或者“.tar”结尾的文件。

cpio [选项] > 文件名或者设备名

cpio [选项] < 文件名或者设备名

选项
-o 将文件拷贝打包成文件或者将文件输出到设备上
-i 解包，将打包文件解压或将设备上的备份还原到系统
-t 预览，查看文件内容或者输出到设备上的文件内容
-v 显示打包过程中的文件名称。
-d 解包生成目录，在cpio还原时，自动的建立目录
-c 一种较新的存储方式

二cpio的使用

（一）-o 将文件拷贝打包成文件或者将文件输出到设备上

将etc目录备份：

[root@centos72 ~]# ls  /app/etc/  -ld

drwxr-xr-x 3 root root 23 May  3 10:59 /app/etc/

[root@centos72 ~]# find  /app/etc/

/app/etc/

/app/etc/sysconfig

/app/etc/sysconfig/ip6tables-config

/app/etc/sysconfig/iptables-config

/app/etc/sysconfig/cbq

/app/etc/sysconfig/cbq/avpkt

/app/etc/sysconfig/cbq/cbq-0000.example

/app/etc/sysconfig/rdisc

/app/etc/sysconfig/console

/app/etc/sysconfig/init

/app/etc/sysconfig/modules

/app/etc/sysconfig/netconsole

/app/etc/sysconfig/network-scripts

/app/etc/sysconfig/network-scripts/ifcfg-lo

/app/etc/sysconfig/network-scripts/ifdown-bnep

/app/etc/sysconfig/network-scripts/ifdown-eth

/app/etc/sysconfig/network-scripts/ifdown-ippp

/app/etc/sysconfig/network-scripts/ifdown-ipv6

/app/etc/sysconfig/network-scripts/ifdown-isdn

/app/etc/sysconfig/network-scripts/ifdown-post

/app/etc/sysconfig/network-scripts/ifdown-ppp

/app/etc/sysconfig/network-scripts/ifdown-routes

/app/etc/sysconfig/network-scripts/ifdown-sit

/app/etc/sysconfig/network-scripts/ifdown-tunnel

/app/etc/sysconfig/network-scripts/ifup-aliases

/app/etc/sysconfig/network-scripts/ifup-bnep

/app/etc/sysconfig/network-scripts/ifup-eth

/app/etc/sysconfig/network-scripts/ifup-ippp

/app/etc/sysconfig/network-scripts/ifup-ipv6

/app/etc/sysconfig/network-scripts/ifup-isdn

/app/etc/sysconfig/network-scripts/ifup-plip

/app/etc/sysconfig/network-scripts/ifup-plusb

/app/etc/sysconfig/network-scripts/ifup-post

/app/etc/sysconfig/network-scripts/ifup-ppp

/app/etc/sysconfig/network-scripts/ifup-routes

/app/etc/sysconfig/network-scripts/ifup-sit

/app/etc/sysconfig/network-scripts/ifup-tunnel

/app/etc/sysconfig/network-scripts/ifup-wireless

/app/etc/sysconfig/network-scripts/init.ipv6-global

/app/etc/sysconfig/network-scripts/network-functions

/app/etc/sysconfig/network-scripts/network-functions-ipv6

/app/etc/sysconfig/network-scripts/ifdown-Team

/app/etc/sysconfig/network-scripts/ifdown-TeamPort

/app/etc/sysconfig/network-scripts/ifup-Team

/app/etc/sysconfig/network-scripts/ifup-TeamPort

/app/etc/sysconfig/network-scripts/ifcfg-ens33

/app/etc/sysconfig/network-scripts/ifcfg-ens37

/app/etc/sysconfig/network-scripts/ifup

/app/etc/sysconfig/network-scripts/ifdown

/app/etc/sysconfig/readonly-root

/app/etc/sysconfig/crond

/app/etc/sysconfig/run-parts

/app/etc/sysconfig/wpa_supplicant

/app/etc/sysconfig/ebtables-config

/app/etc/sysconfig/irqbalance

/app/etc/sysconfig/man-db

/app/etc/sysconfig/rsyslog

/app/etc/sysconfig/firewalld

/app/etc/sysconfig/kdump

/app/etc/sysconfig/sshd

/app/etc/sysconfig/authconfig

/app/etc/sysconfig/cpupower

/app/etc/sysconfig/kernel

/app/etc/sysconfig/network

/app/etc/sysconfig/anaconda

/app/etc/sysconfig/chronyd

/app/etc/sysconfig/ntpdate

/app/etc/sysconfig/ntpd

/app/etc/sysconfig/keepalived

/app/etc/sysconfig/ipvsadm-config

/app/etc/sysconfig/nginx

/app/etc/sysconfig/nginx-debug

/app/etc/sysconfig/htcacheclean

/app/etc/sysconfig/httpd

/app/etc/sysconfig/grub

/app/etc/sysconfig/selinux

通过管道传输给cpio，并且把文件重定向到一个文件里面

[root@centos72 ~]# find  /app/etc/  |  cpio   -ov   >  /app/etc.cpio

/app/etc/

/app/etc/sysconfig

/app/etc/sysconfig/ip6tables-config

/app/etc/sysconfig/iptables-config

/app/etc/sysconfig/cbq

/app/etc/sysconfig/cbq/avpkt

/app/etc/sysconfig/cbq/cbq-0000.example

/app/etc/sysconfig/rdisc

/app/etc/sysconfig/console

/app/etc/sysconfig/init

/app/etc/sysconfig/modules

/app/etc/sysconfig/netconsole

/app/etc/sysconfig/network-scripts

/app/etc/sysconfig/network-scripts/ifcfg-lo

/app/etc/sysconfig/network-scripts/ifdown-bnep

/app/etc/sysconfig/network-scripts/ifdown-eth

/app/etc/sysconfig/network-scripts/ifdown-ippp

/app/etc/sysconfig/network-scripts/ifdown-ipv6

/app/etc/sysconfig/network-scripts/ifdown-isdn

/app/etc/sysconfig/network-scripts/ifdown-post

/app/etc/sysconfig/network-scripts/ifdown-ppp

/app/etc/sysconfig/network-scripts/ifdown-routes

/app/etc/sysconfig/network-scripts/ifdown-sit

/app/etc/sysconfig/network-scripts/ifdown-tunnel

/app/etc/sysconfig/network-scripts/ifup-aliases

/app/etc/sysconfig/network-scripts/ifup-bnep

/app/etc/sysconfig/network-scripts/ifup-eth

/app/etc/sysconfig/network-scripts/ifup-ippp

/app/etc/sysconfig/network-scripts/ifup-ipv6

/app/etc/sysconfig/network-scripts/ifup-isdn

/app/etc/sysconfig/network-scripts/ifup-plip

/app/etc/sysconfig/network-scripts/ifup-plusb

/app/etc/sysconfig/network-scripts/ifup-post

/app/etc/sysconfig/network-scripts/ifup-ppp

/app/etc/sysconfig/network-scripts/ifup-routes

/app/etc/sysconfig/network-scripts/ifup-sit

/app/etc/sysconfig/network-scripts/ifup-tunnel

/app/etc/sysconfig/network-scripts/ifup-wireless

/app/etc/sysconfig/network-scripts/init.ipv6-global

/app/etc/sysconfig/network-scripts/network-functions

/app/etc/sysconfig/network-scripts/network-functions-ipv6

/app/etc/sysconfig/network-scripts/ifdown-Team

/app/etc/sysconfig/network-scripts/ifdown-TeamPort

/app/etc/sysconfig/network-scripts/ifup-Team

/app/etc/sysconfig/network-scripts/ifup-TeamPort

/app/etc/sysconfig/network-scripts/ifcfg-ens33

/app/etc/sysconfig/network-scripts/ifcfg-ens37

/app/etc/sysconfig/network-scripts/ifup

/app/etc/sysconfig/network-scripts/ifdown

/app/etc/sysconfig/readonly-root

/app/etc/sysconfig/crond

/app/etc/sysconfig/run-parts

/app/etc/sysconfig/wpa_supplicant

/app/etc/sysconfig/ebtables-config

/app/etc/sysconfig/irqbalance

/app/etc/sysconfig/man-db

/app/etc/sysconfig/rsyslog

/app/etc/sysconfig/firewalld

/app/etc/sysconfig/kdump

/app/etc/sysconfig/sshd

/app/etc/sysconfig/authconfig

/app/etc/sysconfig/cpupower

/app/etc/sysconfig/kernel

/app/etc/sysconfig/network

/app/etc/sysconfig/anaconda

/app/etc/sysconfig/chronyd

/app/etc/sysconfig/ntpdate

/app/etc/sysconfig/ntpd

/app/etc/sysconfig/keepalived

/app/etc/sysconfig/ipvsadm-config

/app/etc/sysconfig/nginx

/app/etc/sysconfig/nginx-debug

/app/etc/sysconfig/htcacheclean

/app/etc/sysconfig/httpd

/app/etc/sysconfig/grub

/app/etc/sysconfig/selinux

348 blocks

对比文件的大小

[root@centos72 ~]# ls  /app/etc.cpio

/app/etc.cpio

[root@centos72 ~]# ls  /app/etc.cpio  -lh

-rw-r--r-- 1 root root 174K May  3 11:51 /app/etc.cpio

[root@centos72 ~]# du  -sh  /app/etc

368K    /app/etc

[root@centos72 ~]# du  -sh  /app/etc/

368K    /app/etc/

[root@centos72 ~]# du  -sh  /app/etc/sysconfig/

368K    /app/etc/sysconfig/

[root@centos72 ~]# du  -sh  /app/etc/sysconfig

368K    /app/etc/sysconfig

[root@centos72 ~]# tree  /app/etc

/app/etc

└── sysconfig

    ├── anaconda

    ├── authconfig

    ├── cbq

    │   ├── avpkt

    │   └── cbq-0000.example

    ├── chronyd

    ├── console

    ├── cpupower

    ├── crond

    ├── ebtables-config

    ├── firewalld

    ├── grub -> ../default/grub

    ├── htcacheclean

    ├── httpd

    ├── init

    ├── ip6tables-config

    ├── iptables-config

    ├── ipvsadm-config

    ├── irqbalance

    ├── kdump

    ├── keepalived

    ├── kernel

    ├── man-db

    ├── modules

    ├── netconsole

    ├── network

    ├── network-scripts

    │   ├── ifcfg-ens33

    │   ├── ifcfg-ens37

    │   ├── ifcfg-lo

    │   ├── ifdown -> ../../../usr/sbin/ifdown

    │   ├── ifdown-bnep

    │   ├── ifdown-eth

    │   ├── ifdown-ippp

    │   ├── ifdown-ipv6

    │   ├── ifdown-isdn -> ifdown-ippp

    │   ├── ifdown-post

    │   ├── ifdown-ppp

    │   ├── ifdown-routes

    │   ├── ifdown-sit

    │   ├── ifdown-Team

    │   ├── ifdown-TeamPort

    │   ├── ifdown-tunnel

    │   ├── ifup -> ../../../usr/sbin/ifup

    │   ├── ifup-aliases

    │   ├── ifup-bnep

    │   ├── ifup-eth

    │   ├── ifup-ippp

    │   ├── ifup-ipv6

    │   ├── ifup-isdn -> ifup-ippp

    │   ├── ifup-plip

    │   ├── ifup-plusb

    │   ├── ifup-post

    │   ├── ifup-ppp

    │   ├── ifup-routes

    │   ├── ifup-sit

    │   ├── ifup-Team

    │   ├── ifup-TeamPort

    │   ├── ifup-tunnel

    │   ├── ifup-wireless

    │   ├── init.ipv6-global

    │   ├── network-functions

    │   └── network-functions-ipv6

    ├── nginx

    ├── nginx-debug

    ├── ntpd

    ├── ntpdate

    ├── rdisc

    ├── readonly-root

    ├── rsyslog

    ├── run-parts

    ├── selinux -> ../selinux/config

    ├── sshd

    └── wpa_supplicant

5 directories, 70 files

（二）内容预览

-t 预览，查看文件内容或者输出到设备上的文件内容

[root@centos72 ~]# cpio   -tv    <  /app/etc.cpio

drwxr-xr-x   3 root     root            0 May  3 10:59 /app/etc/

drwxr-xr-x   6 root     root            0 May  2 14:46 /app/etc/sysconfig

-rw-------   1 root     root         2393 Nov  5 01:03 /app/etc/sysconfig/ip6tables-config

-rw-------   1 root     root         2374 Nov  5 01:03 /app/etc/sysconfig/iptables-config

drwxr-xr-x   2 root     root            0 Jan 13 00:15 /app/etc/sysconfig/cbq

-rw-r--r--   1 root     root           11 Apr 11  2018 /app/etc/sysconfig/cbq/avpkt

-rw-r--r--   1 root     root           79 Apr 11  2018 /app/etc/sysconfig/cbq/cbq-0000.example

-rw-r--r--   1 root     root           15 Aug  4  2017 /app/etc/sysconfig/rdisc

drwxr-xr-x   2 root     root            0 Oct 31  2018 /app/etc/sysconfig/console

-rw-r--r--   1 root     root          798 Oct 31  2018 /app/etc/sysconfig/init

drwxr-xr-x   2 root     root            0 Oct 31  2018 /app/etc/sysconfig/modules

-rw-r--r--   1 root     root          634 Oct 31  2018 /app/etc/sysconfig/netconsole

drwxr-xr-x   2 root     root            0 May  2 14:45 /app/etc/sysconfig/network-scripts

-rw-r--r--   1 root     root          254 Aug 24  2018 /app/etc/sysconfig/network-scripts/ifcfg-lo

-rwxr-xr-x   1 root     root          654 Aug 24  2018 /app/etc/sysconfig/network-scripts/ifdown-bnep

-rwxr-xr-x   1 root     root         6532 Aug 24  2018 /app/etc/sysconfig/network-scripts/ifdown-eth

-rwxr-xr-x   1 root     root          781 Aug 24  2018 /app/etc/sysconfig/network-scripts/ifdown-ippp

-rwxr-xr-x   1 root     root         4540 Aug 24  2018 /app/etc/sysconfig/network-scripts/ifdown-ipv6

lrwxrwxrwx   1 root     root           11 May  2 14:45 /app/etc/sysconfig/network-scripts/ifdown-isdn -> ifdown-ippp

-rwxr-xr-x   1 root     root         2130 Aug 24  2018 /app/etc/sysconfig/network-scripts/ifdown-post

-rwxr-xr-x   1 root     root         1068 Aug 24  2018 /app/etc/sysconfig/network-scripts/ifdown-ppp

-rwxr-xr-x   1 root     root          870 Aug 24  2018 /app/etc/sysconfig/network-scripts/ifdown-routes

-rwxr-xr-x   1 root     root         1456 Aug 24  2018 /app/etc/sysconfig/network-scripts/ifdown-sit

-rwxr-xr-x   1 root     root         1462 Aug 24  2018 /app/etc/sysconfig/network-scripts/ifdown-tunnel

-rwxr-xr-x   1 root     root        12415 Aug 24  2018 /app/etc/sysconfig/network-scripts/ifup-aliases

-rwxr-xr-x   1 root     root          910 Aug 24  2018 /app/etc/sysconfig/network-scripts/ifup-bnep

-rwxr-xr-x   1 root     root        13475 Aug 24  2018 /app/etc/sysconfig/network-scripts/ifup-eth

-rwxr-xr-x   1 root     root        12075 Aug 24  2018 /app/etc/sysconfig/network-scripts/ifup-ippp

-rwxr-xr-x   1 root     root        11893 Aug 24  2018 /app/etc/sysconfig/network-scripts/ifup-ipv6

lrwxrwxrwx   1 root     root            9 May  2 14:45 /app/etc/sysconfig/network-scripts/ifup-isdn -> ifup-ippp

-rwxr-xr-x   1 root     root          650 Aug 24  2018 /app/etc/sysconfig/network-scripts/ifup-plip

-rwxr-xr-x   1 root     root         1064 Aug 24  2018 /app/etc/sysconfig/network-scripts/ifup-plusb

-rwxr-xr-x   1 root     root         4997 Aug 24  2018 /app/etc/sysconfig/network-scripts/ifup-post

-rwxr-xr-x   1 root     root         4154 Aug 24  2018 /app/etc/sysconfig/network-scripts/ifup-ppp

-rwxr-xr-x   1 root     root         2001 Aug 24  2018 /app/etc/sysconfig/network-scripts/ifup-routes

-rwxr-xr-x   1 root     root         3303 Aug 24  2018 /app/etc/sysconfig/network-scripts/ifup-sit

-rwxr-xr-x   1 root     root         2711 Aug 24  2018 /app/etc/sysconfig/network-scripts/ifup-tunnel

-rwxr-xr-x   1 root     root         1836 Aug 24  2018 /app/etc/sysconfig/network-scripts/ifup-wireless

-rwxr-xr-x   1 root     root         5419 Aug 24  2018 /app/etc/sysconfig/network-scripts/init.ipv6-global

-rw-r--r--   1 root     root        20671 Aug 24  2018 /app/etc/sysconfig/network-scripts/network-functions

-rw-r--r--   1 root     root        31027 Aug 24  2018 /app/etc/sysconfig/network-scripts/network-functions-ipv6

-rwxr-xr-x   1 root     root         1621 Mar 18  2017 /app/etc/sysconfig/network-scripts/ifdown-Team

-rwxr-xr-x   1 root     root         1556 Mar 18  2017 /app/etc/sysconfig/network-scripts/ifdown-TeamPort

-rwxr-xr-x   1 root     root         1755 Mar 18  2017 /app/etc/sysconfig/network-scripts/ifup-Team

-rwxr-xr-x   1 root     root         1876 Mar 18  2017 /app/etc/sysconfig/network-scripts/ifup-TeamPort

-rw-r--r--   1 root     root          206 Apr 15 17:16 /app/etc/sysconfig/network-scripts/ifcfg-ens33

-rw-r--r--   1 root     root          210 Apr 15 17:18 /app/etc/sysconfig/network-scripts/ifcfg-ens37

lrwxrwxrwx   1 root     root           22 May  2 14:45 /app/etc/sysconfig/network-scripts/ifup -> ../../../usr/sbin/ifup

lrwxrwxrwx   1 root     root           24 May  2 14:45 /app/etc/sysconfig/network-scripts/ifdown -> ../../../usr/sbin/ifdown

-rw-r--r--   1 root     root          905 Oct 31  2018 /app/etc/sysconfig/readonly-root

-rw-------   1 root     root          110 Apr 11  2018 /app/etc/sysconfig/crond

-rw-r--r--   1 root     root            0 Jun 10  2014 /app/etc/sysconfig/run-parts

-rw-r--r--   1 root     root          610 Oct 31  2018 /app/etc/sysconfig/wpa_supplicant

-rw-------   1 root     root         1390 Apr 11  2018 /app/etc/sysconfig/ebtables-config

-rw-r--r--   1 root     root          903 Apr 11  2018 /app/etc/sysconfig/irqbalance

-rw-r--r--   1 root     root          200 Oct 30  2018 /app/etc/sysconfig/man-db

-rw-r--r--   1 root     root          196 Oct 30  2018 /app/etc/sysconfig/rsyslog

-rw-r--r--   1 root     root           73 Oct 31  2018 /app/etc/sysconfig/firewalld

-rw-r--r--   1 root     root         1722 Nov  5 01:10 /app/etc/sysconfig/kdump

-rw-r-----   1 root     root          506 Apr 11  2018 /app/etc/sysconfig/sshd

-rw-r--r--   1 root     root          483 Jan 13 00:21 /app/etc/sysconfig/authconfig

-rw-r--r--   1 root     root          150 Nov  9 07:49 /app/etc/sysconfig/cpupower

-rw-r--r--   1 root     root          180 Jan 13 00:21 /app/etc/sysconfig/kernel

-rw-r--r--   1 root     root           22 May  2 14:45 /app/etc/sysconfig/network

-rw-r--r--   1 root     root          366 Jan 13 00:22 /app/etc/sysconfig/anaconda

-rw-r--r--   1 root     root           46 Apr 13  2018 /app/etc/sysconfig/chronyd

-rw-r--r--   1 root     root          111 Apr 11  2018 /app/etc/sysconfig/ntpdate

-rw-r--r--   1 root     root           45 Apr 11  2018 /app/etc/sysconfig/ntpd

-rw-r--r--   1 root     root          673 Apr 16 00:33 /app/etc/sysconfig/keepalived

-rw-------   1 root     root          774 Mar  6  2015 /app/etc/sysconfig/ipvsadm-config

-rw-r--r--   1 root     root           98 Dec  4 23:01 /app/etc/sysconfig/nginx

-rw-r--r--   1 root     root          148 Dec  4 23:01 /app/etc/sysconfig/nginx-debug

-rw-r--r--   1 root     root          348 Oct 30  2018 /app/etc/sysconfig/htcacheclean

-rw-r--r--   1 root     root          802 Oct 30  2018 /app/etc/sysconfig/httpd

lrwxrwxrwx   1 root     root           15 May  2 14:45 /app/etc/sysconfig/grub -> ../default/grub

lrwxrwxrwx   1 root     root           17 Jan 13 00:16 /app/etc/sysconfig/selinux -> ../selinux/config

348 blocks

（三）解包文件

-v 显示打包过程中的文件名称。

-d 解包生成目录，在cpio还原时，自动的建立目录

cpio –idv < etc.cpio

[root@centos72 ~]# cpio -idv < /app/etc.cpio

/app/etc

/app/etc/sysconfig

cpio: /app/etc/sysconfig/ip6tables-config not created: newer or same age version exists

/app/etc/sysconfig/ip6tables-config

cpio: /app/etc/sysconfig/iptables-config not created: newer or same age version exists

/app/etc/sysconfig/iptables-config

/app/etc/sysconfig/cbq

cpio: /app/etc/sysconfig/cbq/avpkt not created: newer or same age version exists

/app/etc/sysconfig/cbq/avpkt

cpio: /app/etc/sysconfig/cbq/cbq-0000.example not created: newer or same age version exists

/app/etc/sysconfig/cbq/cbq-0000.example

cpio: /app/etc/sysconfig/rdisc not created: newer or same age version exists

/app/etc/sysconfig/rdisc

/app/etc/sysconfig/console

cpio: /app/etc/sysconfig/init not created: newer or same age version exists

/app/etc/sysconfig/init

/app/etc/sysconfig/modules

cpio: /app/etc/sysconfig/netconsole not created: newer or same age version exists

/app/etc/sysconfig/netconsole

/app/etc/sysconfig/network-scripts

cpio: /app/etc/sysconfig/network-scripts/ifcfg-lo not created: newer or same age version exists

/app/etc/sysconfig/network-scripts/ifcfg-lo

cpio: /app/etc/sysconfig/network-scripts/ifdown-bnep not created: newer or same age version exists

/app/etc/sysconfig/network-scripts/ifdown-bnep

cpio: /app/etc/sysconfig/network-scripts/ifdown-eth not created: newer or same age version exists

/app/etc/sysconfig/network-scripts/ifdown-eth

cpio: /app/etc/sysconfig/network-scripts/ifdown-ippp not created: newer or same age version exists

/app/etc/sysconfig/network-scripts/ifdown-ippp

cpio: /app/etc/sysconfig/network-scripts/ifdown-ipv6 not created: newer or same age version exists

/app/etc/sysconfig/network-scripts/ifdown-ipv6

cpio: /app/etc/sysconfig/network-scripts/ifdown-isdn not created: newer or same age version exists

/app/etc/sysconfig/network-scripts/ifdown-isdn

cpio: /app/etc/sysconfig/network-scripts/ifdown-post not created: newer or same age version exists

/app/etc/sysconfig/network-scripts/ifdown-post

cpio: /app/etc/sysconfig/network-scripts/ifdown-ppp not created: newer or same age version exists

/app/etc/sysconfig/network-scripts/ifdown-ppp

cpio: /app/etc/sysconfig/network-scripts/ifdown-routes not created: newer or same age version exists

/app/etc/sysconfig/network-scripts/ifdown-routes

cpio: /app/etc/sysconfig/network-scripts/ifdown-sit not created: newer or same age version exists

/app/etc/sysconfig/network-scripts/ifdown-sit

cpio: /app/etc/sysconfig/network-scripts/ifdown-tunnel not created: newer or same age version exists

/app/etc/sysconfig/network-scripts/ifdown-tunnel

cpio: /app/etc/sysconfig/network-scripts/ifup-aliases not created: newer or same age version exists

/app/etc/sysconfig/network-scripts/ifup-aliases

cpio: /app/etc/sysconfig/network-scripts/ifup-bnep not created: newer or same age version exists

/app/etc/sysconfig/network-scripts/ifup-bnep

cpio: /app/etc/sysconfig/network-scripts/ifup-eth not created: newer or same age version exists

/app/etc/sysconfig/network-scripts/ifup-eth

cpio: /app/etc/sysconfig/network-scripts/ifup-ippp not created: newer or same age version exists

/app/etc/sysconfig/network-scripts/ifup-ippp

cpio: /app/etc/sysconfig/network-scripts/ifup-ipv6 not created: newer or same age version exists

/app/etc/sysconfig/network-scripts/ifup-ipv6

cpio: /app/etc/sysconfig/network-scripts/ifup-isdn not created: newer or same age version exists

/app/etc/sysconfig/network-scripts/ifup-isdn

cpio: /app/etc/sysconfig/network-scripts/ifup-plip not created: newer or same age version exists

/app/etc/sysconfig/network-scripts/ifup-plip

cpio: /app/etc/sysconfig/network-scripts/ifup-plusb not created: newer or same age version exists

/app/etc/sysconfig/network-scripts/ifup-plusb

cpio: /app/etc/sysconfig/network-scripts/ifup-post not created: newer or same age version exists

/app/etc/sysconfig/network-scripts/ifup-post

cpio: /app/etc/sysconfig/network-scripts/ifup-ppp not created: newer or same age version exists

/app/etc/sysconfig/network-scripts/ifup-ppp

cpio: /app/etc/sysconfig/network-scripts/ifup-routes not created: newer or same age version exists

/app/etc/sysconfig/network-scripts/ifup-routes

cpio: /app/etc/sysconfig/network-scripts/ifup-sit not created: newer or same age version exists

/app/etc/sysconfig/network-scripts/ifup-sit

cpio: /app/etc/sysconfig/network-scripts/ifup-tunnel not created: newer or same age version exists

/app/etc/sysconfig/network-scripts/ifup-tunnel

cpio: /app/etc/sysconfig/network-scripts/ifup-wireless not created: newer or same age version exists

/app/etc/sysconfig/network-scripts/ifup-wireless

cpio: /app/etc/sysconfig/network-scripts/init.ipv6-global not created: newer or same age version exists

/app/etc/sysconfig/network-scripts/init.ipv6-global

cpio: /app/etc/sysconfig/network-scripts/network-functions not created: newer or same age version exists

/app/etc/sysconfig/network-scripts/network-functions

cpio: /app/etc/sysconfig/network-scripts/network-functions-ipv6 not created: newer or same age version exists

/app/etc/sysconfig/network-scripts/network-functions-ipv6

cpio: /app/etc/sysconfig/network-scripts/ifdown-Team not created: newer or same age version exists

/app/etc/sysconfig/network-scripts/ifdown-Team

cpio: /app/etc/sysconfig/network-scripts/ifdown-TeamPort not created: newer or same age version exists

/app/etc/sysconfig/network-scripts/ifdown-TeamPort

cpio: /app/etc/sysconfig/network-scripts/ifup-Team not created: newer or same age version exists

/app/etc/sysconfig/network-scripts/ifup-Team

cpio: /app/etc/sysconfig/network-scripts/ifup-TeamPort not created: newer or same age version exists

/app/etc/sysconfig/network-scripts/ifup-TeamPort

cpio: /app/etc/sysconfig/network-scripts/ifcfg-ens33 not created: newer or same age version exists

/app/etc/sysconfig/network-scripts/ifcfg-ens33

cpio: /app/etc/sysconfig/network-scripts/ifcfg-ens37 not created: newer or same age version exists

/app/etc/sysconfig/network-scripts/ifcfg-ens37

cpio: /app/etc/sysconfig/network-scripts/ifup not created: newer or same age version exists

/app/etc/sysconfig/network-scripts/ifup

cpio: /app/etc/sysconfig/network-scripts/ifdown not created: newer or same age version exists

/app/etc/sysconfig/network-scripts/ifdown

cpio: /app/etc/sysconfig/readonly-root not created: newer or same age version exists

/app/etc/sysconfig/readonly-root

cpio: /app/etc/sysconfig/crond not created: newer or same age version exists

/app/etc/sysconfig/crond

cpio: /app/etc/sysconfig/run-parts not created: newer or same age version exists

/app/etc/sysconfig/run-parts

cpio: /app/etc/sysconfig/wpa_supplicant not created: newer or same age version exists

/app/etc/sysconfig/wpa_supplicant

cpio: /app/etc/sysconfig/ebtables-config not created: newer or same age version exists

/app/etc/sysconfig/ebtables-config

cpio: /app/etc/sysconfig/irqbalance not created: newer or same age version exists

/app/etc/sysconfig/irqbalance

cpio: /app/etc/sysconfig/man-db not created: newer or same age version exists

/app/etc/sysconfig/man-db

cpio: /app/etc/sysconfig/rsyslog not created: newer or same age version exists

/app/etc/sysconfig/rsyslog

cpio: /app/etc/sysconfig/firewalld not created: newer or same age version exists

/app/etc/sysconfig/firewalld

cpio: /app/etc/sysconfig/kdump not created: newer or same age version exists

/app/etc/sysconfig/kdump

cpio: /app/etc/sysconfig/sshd not created: newer or same age version exists

/app/etc/sysconfig/sshd

cpio: /app/etc/sysconfig/authconfig not created: newer or same age version exists

/app/etc/sysconfig/authconfig

cpio: /app/etc/sysconfig/cpupower not created: newer or same age version exists

/app/etc/sysconfig/cpupower

cpio: /app/etc/sysconfig/kernel not created: newer or same age version exists

/app/etc/sysconfig/kernel

cpio: /app/etc/sysconfig/network not created: newer or same age version exists

/app/etc/sysconfig/network

cpio: /app/etc/sysconfig/anaconda not created: newer or same age version exists

/app/etc/sysconfig/anaconda

cpio: /app/etc/sysconfig/chronyd not created: newer or same age version exists

/app/etc/sysconfig/chronyd

cpio: /app/etc/sysconfig/ntpdate not created: newer or same age version exists

/app/etc/sysconfig/ntpdate

cpio: /app/etc/sysconfig/ntpd not created: newer or same age version exists

/app/etc/sysconfig/ntpd

cpio: /app/etc/sysconfig/keepalived not created: newer or same age version exists

/app/etc/sysconfig/keepalived

cpio: /app/etc/sysconfig/ipvsadm-config not created: newer or same age version exists

/app/etc/sysconfig/ipvsadm-config

cpio: /app/etc/sysconfig/nginx not created: newer or same age version exists

/app/etc/sysconfig/nginx

cpio: /app/etc/sysconfig/nginx-debug not created: newer or same age version exists

/app/etc/sysconfig/nginx-debug

cpio: /app/etc/sysconfig/htcacheclean not created: newer or same age version exists

/app/etc/sysconfig/htcacheclean

cpio: /app/etc/sysconfig/httpd not created: newer or same age version exists

/app/etc/sysconfig/httpd

cpio: /app/etc/sysconfig/grub not created: newer or same age version exists

/app/etc/sysconfig/grub

cpio: /app/etc/sysconfig/selinux not created: newer or same age version exists

/app/etc/sysconfig/selinux

348 blocks

[root@centos72 ~]# cpio -idv < /app/etc.cpio^C

[root@centos72 ~]# ll /app/etc.cpio

-rw-r--r-- 1 root root 178176 May  3 11:51 /app/etc.cpio

[root@centos72 ~]# cd /app

[root@centos72 app]# cpio -idv < /app/etc.cpio

/app/etc

/app/etc/sysconfig

cpio: /app/etc/sysconfig/ip6tables-config not created: newer or same age version exists

/app/etc/sysconfig/ip6tables-config

cpio: /app/etc/sysconfig/iptables-config not created: newer or same age version exists

/app/etc/sysconfig/iptables-config

/app/etc/sysconfig/cbq

cpio: /app/etc/sysconfig/cbq/avpkt not created: newer or same age version exists

/app/etc/sysconfig/cbq/avpkt

cpio: /app/etc/sysconfig/cbq/cbq-0000.example not created: newer or same age version exists

/app/etc/sysconfig/cbq/cbq-0000.example

cpio: /app/etc/sysconfig/rdisc not created: newer or same age version exists

/app/etc/sysconfig/rdisc

/app/etc/sysconfig/console

cpio: /app/etc/sysconfig/init not created: newer or same age version exists

/app/etc/sysconfig/init

/app/etc/sysconfig/modules

cpio: /app/etc/sysconfig/netconsole not created: newer or same age version exists

/app/etc/sysconfig/netconsole

/app/etc/sysconfig/network-scripts

cpio: /app/etc/sysconfig/network-scripts/ifcfg-lo not created: newer or same age version exists

/app/etc/sysconfig/network-scripts/ifcfg-lo

cpio: /app/etc/sysconfig/network-scripts/ifdown-bnep not created: newer or same age version exists

/app/etc/sysconfig/network-scripts/ifdown-bnep

cpio: /app/etc/sysconfig/network-scripts/ifdown-eth not created: newer or same age version exists

/app/etc/sysconfig/network-scripts/ifdown-eth

cpio: /app/etc/sysconfig/network-scripts/ifdown-ippp not created: newer or same age version exists

/app/etc/sysconfig/network-scripts/ifdown-ippp

cpio: /app/etc/sysconfig/network-scripts/ifdown-ipv6 not created: newer or same age version exists

/app/etc/sysconfig/network-scripts/ifdown-ipv6

cpio: /app/etc/sysconfig/network-scripts/ifdown-isdn not created: newer or same age version exists

/app/etc/sysconfig/network-scripts/ifdown-isdn

cpio: /app/etc/sysconfig/network-scripts/ifdown-post not created: newer or same age version exists

/app/etc/sysconfig/network-scripts/ifdown-post

cpio: /app/etc/sysconfig/network-scripts/ifdown-ppp not created: newer or same age version exists

/app/etc/sysconfig/network-scripts/ifdown-ppp

cpio: /app/etc/sysconfig/network-scripts/ifdown-routes not created: newer or same age version exists

/app/etc/sysconfig/network-scripts/ifdown-routes

cpio: /app/etc/sysconfig/network-scripts/ifdown-sit not created: newer or same age version exists

/app/etc/sysconfig/network-scripts/ifdown-sit

cpio: /app/etc/sysconfig/network-scripts/ifdown-tunnel not created: newer or same age version exists

/app/etc/sysconfig/network-scripts/ifdown-tunnel

cpio: /app/etc/sysconfig/network-scripts/ifup-aliases not created: newer or same age version exists

/app/etc/sysconfig/network-scripts/ifup-aliases

cpio: /app/etc/sysconfig/network-scripts/ifup-bnep not created: newer or same age version exists

/app/etc/sysconfig/network-scripts/ifup-bnep

cpio: /app/etc/sysconfig/network-scripts/ifup-eth not created: newer or same age version exists

/app/etc/sysconfig/network-scripts/ifup-eth

cpio: /app/etc/sysconfig/network-scripts/ifup-ippp not created: newer or same age version exists

/app/etc/sysconfig/network-scripts/ifup-ippp

cpio: /app/etc/sysconfig/network-scripts/ifup-ipv6 not created: newer or same age version exists

/app/etc/sysconfig/network-scripts/ifup-ipv6

cpio: /app/etc/sysconfig/network-scripts/ifup-isdn not created: newer or same age version exists

/app/etc/sysconfig/network-scripts/ifup-isdn

cpio: /app/etc/sysconfig/network-scripts/ifup-plip not created: newer or same age version exists

/app/etc/sysconfig/network-scripts/ifup-plip

cpio: /app/etc/sysconfig/network-scripts/ifup-plusb not created: newer or same age version exists

/app/etc/sysconfig/network-scripts/ifup-plusb

cpio: /app/etc/sysconfig/network-scripts/ifup-post not created: newer or same age version exists

/app/etc/sysconfig/network-scripts/ifup-post

cpio: /app/etc/sysconfig/network-scripts/ifup-ppp not created: newer or same age version exists

/app/etc/sysconfig/network-scripts/ifup-ppp

cpio: /app/etc/sysconfig/network-scripts/ifup-routes not created: newer or same age version exists

/app/etc/sysconfig/network-scripts/ifup-routes

cpio: /app/etc/sysconfig/network-scripts/ifup-sit not created: newer or same age version exists

/app/etc/sysconfig/network-scripts/ifup-sit

cpio: /app/etc/sysconfig/network-scripts/ifup-tunnel not created: newer or same age version exists

/app/etc/sysconfig/network-scripts/ifup-tunnel

cpio: /app/etc/sysconfig/network-scripts/ifup-wireless not created: newer or same age version exists

/app/etc/sysconfig/network-scripts/ifup-wireless

cpio: /app/etc/sysconfig/network-scripts/init.ipv6-global not created: newer or same age version exists

/app/etc/sysconfig/network-scripts/init.ipv6-global

cpio: /app/etc/sysconfig/network-scripts/network-functions not created: newer or same age version exists

/app/etc/sysconfig/network-scripts/network-functions

cpio: /app/etc/sysconfig/network-scripts/network-functions-ipv6 not created: newer or same age version exists

/app/etc/sysconfig/network-scripts/network-functions-ipv6

cpio: /app/etc/sysconfig/network-scripts/ifdown-Team not created: newer or same age version exists

/app/etc/sysconfig/network-scripts/ifdown-Team

cpio: /app/etc/sysconfig/network-scripts/ifdown-TeamPort not created: newer or same age version exists

/app/etc/sysconfig/network-scripts/ifdown-TeamPort

cpio: /app/etc/sysconfig/network-scripts/ifup-Team not created: newer or same age version exists

/app/etc/sysconfig/network-scripts/ifup-Team

cpio: /app/etc/sysconfig/network-scripts/ifup-TeamPort not created: newer or same age version exists

/app/etc/sysconfig/network-scripts/ifup-TeamPort

cpio: /app/etc/sysconfig/network-scripts/ifcfg-ens33 not created: newer or same age version exists

/app/etc/sysconfig/network-scripts/ifcfg-ens33

cpio: /app/etc/sysconfig/network-scripts/ifcfg-ens37 not created: newer or same age version exists

/app/etc/sysconfig/network-scripts/ifcfg-ens37

cpio: /app/etc/sysconfig/network-scripts/ifup not created: newer or same age version exists

/app/etc/sysconfig/network-scripts/ifup

cpio: /app/etc/sysconfig/network-scripts/ifdown not created: newer or same age version exists

/app/etc/sysconfig/network-scripts/ifdown

cpio: /app/etc/sysconfig/readonly-root not created: newer or same age version exists

/app/etc/sysconfig/readonly-root

cpio: /app/etc/sysconfig/crond not created: newer or same age version exists

/app/etc/sysconfig/crond

cpio: /app/etc/sysconfig/run-parts not created: newer or same age version exists

/app/etc/sysconfig/run-parts

cpio: /app/etc/sysconfig/wpa_supplicant not created: newer or same age version exists

/app/etc/sysconfig/wpa_supplicant

cpio: /app/etc/sysconfig/ebtables-config not created: newer or same age version exists

/app/etc/sysconfig/ebtables-config

cpio: /app/etc/sysconfig/irqbalance not created: newer or same age version exists

/app/etc/sysconfig/irqbalance

cpio: /app/etc/sysconfig/man-db not created: newer or same age version exists

/app/etc/sysconfig/man-db

cpio: /app/etc/sysconfig/rsyslog not created: newer or same age version exists

/app/etc/sysconfig/rsyslog

cpio: /app/etc/sysconfig/firewalld not created: newer or same age version exists

/app/etc/sysconfig/firewalld

cpio: /app/etc/sysconfig/kdump not created: newer or same age version exists

/app/etc/sysconfig/kdump

cpio: /app/etc/sysconfig/sshd not created: newer or same age version exists

/app/etc/sysconfig/sshd

cpio: /app/etc/sysconfig/authconfig not created: newer or same age version exists

/app/etc/sysconfig/authconfig

cpio: /app/etc/sysconfig/cpupower not created: newer or same age version exists

/app/etc/sysconfig/cpupower

cpio: /app/etc/sysconfig/kernel not created: newer or same age version exists

/app/etc/sysconfig/kernel

cpio: /app/etc/sysconfig/network not created: newer or same age version exists

/app/etc/sysconfig/network

cpio: /app/etc/sysconfig/anaconda not created: newer or same age version exists

/app/etc/sysconfig/anaconda

cpio: /app/etc/sysconfig/chronyd not created: newer or same age version exists

/app/etc/sysconfig/chronyd

cpio: /app/etc/sysconfig/ntpdate not created: newer or same age version exists

/app/etc/sysconfig/ntpdate

cpio: /app/etc/sysconfig/ntpd not created: newer or same age version exists

/app/etc/sysconfig/ntpd

cpio: /app/etc/sysconfig/keepalived not created: newer or same age version exists

/app/etc/sysconfig/keepalived

cpio: /app/etc/sysconfig/ipvsadm-config not created: newer or same age version exists

/app/etc/sysconfig/ipvsadm-config

cpio: /app/etc/sysconfig/nginx not created: newer or same age version exists

/app/etc/sysconfig/nginx

cpio: /app/etc/sysconfig/nginx-debug not created: newer or same age version exists

/app/etc/sysconfig/nginx-debug

cpio: /app/etc/sysconfig/htcacheclean not created: newer or same age version exists

/app/etc/sysconfig/htcacheclean

cpio: /app/etc/sysconfig/httpd not created: newer or same age version exists

/app/etc/sysconfig/httpd

cpio: /app/etc/sysconfig/grub not created: newer or same age version exists

/app/etc/sysconfig/grub

cpio: /app/etc/sysconfig/selinux not created: newer or same age version exists

/app/etc/sysconfig/selinux

348 blocks

上面于报错，重新将etc目录备份

进入到app目录里面

[root@centos72 ~]# cd  /app

[root@centos72 app]# ll  -d  /etc/

drwxr-xr-x. 79 root root 8192 May  2 14:56 /etc/

[root@centos72 app]# du  -sh  etc

368K    etc

[root@centos72 app]# find ./etc

./etc

./etc/sysconfig

./etc/sysconfig/ip6tables-config

./etc/sysconfig/iptables-config

./etc/sysconfig/cbq

./etc/sysconfig/cbq/avpkt

./etc/sysconfig/cbq/cbq-0000.example

./etc/sysconfig/rdisc

./etc/sysconfig/console

./etc/sysconfig/init

./etc/sysconfig/modules

./etc/sysconfig/netconsole

./etc/sysconfig/network-scripts

./etc/sysconfig/network-scripts/ifcfg-lo

./etc/sysconfig/network-scripts/ifdown-bnep

./etc/sysconfig/network-scripts/ifdown-eth

./etc/sysconfig/network-scripts/ifdown-ippp

./etc/sysconfig/network-scripts/ifdown-ipv6

./etc/sysconfig/network-scripts/ifdown-isdn

./etc/sysconfig/network-scripts/ifdown-post

./etc/sysconfig/network-scripts/ifdown-ppp

./etc/sysconfig/network-scripts/ifdown-routes

./etc/sysconfig/network-scripts/ifdown-sit

./etc/sysconfig/network-scripts/ifdown-tunnel

./etc/sysconfig/network-scripts/ifup-aliases

./etc/sysconfig/network-scripts/ifup-bnep

./etc/sysconfig/network-scripts/ifup-eth

./etc/sysconfig/network-scripts/ifup-ippp

./etc/sysconfig/network-scripts/ifup-ipv6

./etc/sysconfig/network-scripts/ifup-isdn

./etc/sysconfig/network-scripts/ifup-plip

./etc/sysconfig/network-scripts/ifup-plusb

./etc/sysconfig/network-scripts/ifup-post

./etc/sysconfig/network-scripts/ifup-ppp

./etc/sysconfig/network-scripts/ifup-routes

./etc/sysconfig/network-scripts/ifup-sit

./etc/sysconfig/network-scripts/ifup-tunnel

./etc/sysconfig/network-scripts/ifup-wireless

./etc/sysconfig/network-scripts/init.ipv6-global

./etc/sysconfig/network-scripts/network-functions

./etc/sysconfig/network-scripts/network-functions-ipv6

./etc/sysconfig/network-scripts/ifdown-Team

./etc/sysconfig/network-scripts/ifdown-TeamPort

./etc/sysconfig/network-scripts/ifup-Team

./etc/sysconfig/network-scripts/ifup-TeamPort

./etc/sysconfig/network-scripts/ifcfg-ens33

./etc/sysconfig/network-scripts/ifcfg-ens37

./etc/sysconfig/network-scripts/ifup

./etc/sysconfig/network-scripts/ifdown

./etc/sysconfig/readonly-root

./etc/sysconfig/crond

./etc/sysconfig/run-parts

./etc/sysconfig/wpa_supplicant

./etc/sysconfig/ebtables-config

./etc/sysconfig/irqbalance

./etc/sysconfig/man-db

./etc/sysconfig/rsyslog

./etc/sysconfig/firewalld

./etc/sysconfig/kdump

./etc/sysconfig/sshd

./etc/sysconfig/authconfig

./etc/sysconfig/cpupower

./etc/sysconfig/kernel

./etc/sysconfig/network

./etc/sysconfig/anaconda

./etc/sysconfig/chronyd

./etc/sysconfig/ntpdate

./etc/sysconfig/ntpd

./etc/sysconfig/keepalived

./etc/sysconfig/ipvsadm-config

./etc/sysconfig/nginx

./etc/sysconfig/nginx-debug

./etc/sysconfig/htcacheclean

./etc/sysconfig/httpd

./etc/sysconfig/grub

./etc/sysconfig/selinux

把当前的文件重定向到其他目录里面

[root@centos72 app]# find   ./etc/   | cpio  -ov  >  /app1/etc.cpio

./etc/

./etc/sysconfig

./etc/sysconfig/ip6tables-config

./etc/sysconfig/iptables-config

./etc/sysconfig/cbq

./etc/sysconfig/cbq/avpkt

./etc/sysconfig/cbq/cbq-0000.example

./etc/sysconfig/rdisc

./etc/sysconfig/console

./etc/sysconfig/init

./etc/sysconfig/modules

./etc/sysconfig/netconsole

./etc/sysconfig/network-scripts

./etc/sysconfig/network-scripts/ifcfg-lo

./etc/sysconfig/network-scripts/ifdown-bnep

./etc/sysconfig/network-scripts/ifdown-eth

./etc/sysconfig/network-scripts/ifdown-ippp

./etc/sysconfig/network-scripts/ifdown-ipv6

./etc/sysconfig/network-scripts/ifdown-isdn

./etc/sysconfig/network-scripts/ifdown-post

./etc/sysconfig/network-scripts/ifdown-ppp

./etc/sysconfig/network-scripts/ifdown-routes

./etc/sysconfig/network-scripts/ifdown-sit

./etc/sysconfig/network-scripts/ifdown-tunnel

./etc/sysconfig/network-scripts/ifup-aliases

./etc/sysconfig/network-scripts/ifup-bnep

./etc/sysconfig/network-scripts/ifup-eth

./etc/sysconfig/network-scripts/ifup-ippp

./etc/sysconfig/network-scripts/ifup-ipv6

./etc/sysconfig/network-scripts/ifup-isdn

./etc/sysconfig/network-scripts/ifup-plip

./etc/sysconfig/network-scripts/ifup-plusb

./etc/sysconfig/network-scripts/ifup-post

./etc/sysconfig/network-scripts/ifup-ppp

./etc/sysconfig/network-scripts/ifup-routes

./etc/sysconfig/network-scripts/ifup-sit

./etc/sysconfig/network-scripts/ifup-tunnel

./etc/sysconfig/network-scripts/ifup-wireless

./etc/sysconfig/network-scripts/init.ipv6-global

./etc/sysconfig/network-scripts/network-functions

./etc/sysconfig/network-scripts/network-functions-ipv6

./etc/sysconfig/network-scripts/ifdown-Team

./etc/sysconfig/network-scripts/ifdown-TeamPort

./etc/sysconfig/network-scripts/ifup-Team

./etc/sysconfig/network-scripts/ifup-TeamPort

./etc/sysconfig/network-scripts/ifcfg-ens33

./etc/sysconfig/network-scripts/ifcfg-ens37

./etc/sysconfig/network-scripts/ifup

./etc/sysconfig/network-scripts/ifdown

./etc/sysconfig/readonly-root

./etc/sysconfig/crond

./etc/sysconfig/run-parts

./etc/sysconfig/wpa_supplicant

./etc/sysconfig/ebtables-config

./etc/sysconfig/irqbalance

./etc/sysconfig/man-db

./etc/sysconfig/rsyslog

./etc/sysconfig/firewalld

./etc/sysconfig/kdump

./etc/sysconfig/sshd

./etc/sysconfig/authconfig

./etc/sysconfig/cpupower

./etc/sysconfig/kernel

./etc/sysconfig/network

./etc/sysconfig/anaconda

./etc/sysconfig/chronyd

./etc/sysconfig/ntpdate

./etc/sysconfig/ntpd

./etc/sysconfig/keepalived

./etc/sysconfig/ipvsadm-config

./etc/sysconfig/nginx

./etc/sysconfig/nginx-debug

./etc/sysconfig/htcacheclean

./etc/sysconfig/httpd

./etc/sysconfig/grub

./etc/sysconfig/selinux

347 blocks

解压到当前目录里面

[root@centos72 app]# cd  /app1

[root@centos72 app1]# ls

etc.cpio

[root@centos72 app1]# ll

total 176

-rw-r--r-- 1 root root 177664 May  3 12:22 etc.cpio

[root@centos72 app1]# du -sh

176K    .

[root@centos72 app1]# du -sh   etc.cpio

176K    etc.cpio

[root@centos72 app1]# cpio -idv   < etc.cpio

etc

etc/sysconfig

etc/sysconfig/ip6tables-config

etc/sysconfig/iptables-config

etc/sysconfig/cbq

etc/sysconfig/cbq/avpkt

etc/sysconfig/cbq/cbq-0000.example

etc/sysconfig/rdisc

etc/sysconfig/console

etc/sysconfig/init

etc/sysconfig/modules

etc/sysconfig/netconsole

etc/sysconfig/network-scripts

etc/sysconfig/network-scripts/ifcfg-lo

etc/sysconfig/network-scripts/ifdown-bnep

etc/sysconfig/network-scripts/ifdown-eth

etc/sysconfig/network-scripts/ifdown-ippp

etc/sysconfig/network-scripts/ifdown-ipv6

etc/sysconfig/network-scripts/ifdown-isdn

etc/sysconfig/network-scripts/ifdown-post

etc/sysconfig/network-scripts/ifdown-ppp

etc/sysconfig/network-scripts/ifdown-routes

etc/sysconfig/network-scripts/ifdown-sit

etc/sysconfig/network-scripts/ifdown-tunnel

etc/sysconfig/network-scripts/ifup-aliases

etc/sysconfig/network-scripts/ifup-bnep

etc/sysconfig/network-scripts/ifup-eth

etc/sysconfig/network-scripts/ifup-ippp

etc/sysconfig/network-scripts/ifup-ipv6

etc/sysconfig/network-scripts/ifup-isdn

etc/sysconfig/network-scripts/ifup-plip

etc/sysconfig/network-scripts/ifup-plusb

etc/sysconfig/network-scripts/ifup-post

etc/sysconfig/network-scripts/ifup-ppp

etc/sysconfig/network-scripts/ifup-routes

etc/sysconfig/network-scripts/ifup-sit

etc/sysconfig/network-scripts/ifup-tunnel

etc/sysconfig/network-scripts/ifup-wireless

etc/sysconfig/network-scripts/init.ipv6-global

etc/sysconfig/network-scripts/network-functions

etc/sysconfig/network-scripts/network-functions-ipv6

etc/sysconfig/network-scripts/ifdown-Team

etc/sysconfig/network-scripts/ifdown-TeamPort

etc/sysconfig/network-scripts/ifup-Team

etc/sysconfig/network-scripts/ifup-TeamPort

etc/sysconfig/network-scripts/ifcfg-ens33

etc/sysconfig/network-scripts/ifcfg-ens37

etc/sysconfig/network-scripts/ifup

etc/sysconfig/network-scripts/ifdown

etc/sysconfig/readonly-root

etc/sysconfig/crond

etc/sysconfig/run-parts

etc/sysconfig/wpa_supplicant

etc/sysconfig/ebtables-config

etc/sysconfig/irqbalance

etc/sysconfig/man-db

etc/sysconfig/rsyslog

etc/sysconfig/firewalld

etc/sysconfig/kdump

etc/sysconfig/sshd

etc/sysconfig/authconfig

etc/sysconfig/cpupower

etc/sysconfig/kernel

etc/sysconfig/network

etc/sysconfig/anaconda

etc/sysconfig/chronyd

etc/sysconfig/ntpdate

etc/sysconfig/ntpd

etc/sysconfig/keepalived

etc/sysconfig/ipvsadm-config

etc/sysconfig/nginx

etc/sysconfig/nginx-debug

etc/sysconfig/htcacheclean

etc/sysconfig/httpd

etc/sysconfig/grub

etc/sysconfig/selinux

347 blocks

[root@centos72 app1]# ls

etc  etc.cpio

[root@centos72 app1]# tree  etc

etc

└── sysconfig

    ├── anaconda

    ├── authconfig

    ├── cbq

    │   ├── avpkt

    │   └── cbq-0000.example

    ├── chronyd

    ├── console

    ├── cpupower

    ├── crond

    ├── ebtables-config

    ├── firewalld

    ├── grub -> ../default/grub

    ├── htcacheclean

    ├── httpd

    ├── init

    ├── ip6tables-config

    ├── iptables-config

    ├── ipvsadm-config

    ├── irqbalance

    ├── kdump

    ├── keepalived

    ├── kernel

    ├── man-db

    ├── modules

    ├── netconsole

    ├── network

    ├── network-scripts

    │   ├── ifcfg-ens33

    │   ├── ifcfg-ens37

    │   ├── ifcfg-lo

    │   ├── ifdown -> ../../../usr/sbin/ifdown

    │   ├── ifdown-bnep

    │   ├── ifdown-eth

    │   ├── ifdown-ippp

    │   ├── ifdown-ipv6

    │   ├── ifdown-isdn -> ifdown-ippp

    │   ├── ifdown-post

    │   ├── ifdown-ppp

    │   ├── ifdown-routes

    │   ├── ifdown-sit

    │   ├── ifdown-Team

    │   ├── ifdown-TeamPort

    │   ├── ifdown-tunnel

    │   ├── ifup -> ../../../usr/sbin/ifup

    │   ├── ifup-aliases

    │   ├── ifup-bnep

    │   ├── ifup-eth

    │   ├── ifup-ippp

    │   ├── ifup-ipv6

    │   ├── ifup-isdn -> ifup-ippp

    │   ├── ifup-plip

    │   ├── ifup-plusb

    │   ├── ifup-post

    │   ├── ifup-ppp

    │   ├── ifup-routes

    │   ├── ifup-sit

    │   ├── ifup-Team

    │   ├── ifup-TeamPort

    │   ├── ifup-tunnel

    │   ├── ifup-wireless

    │   ├── init.ipv6-global

    │   ├── network-functions

    │   └── network-functions-ipv6

    ├── nginx

    ├── nginx-debug

    ├── ntpd

    ├── ntpdate

    ├── rdisc

    ├── readonly-root

    ├── rsyslog

    ├── run-parts

    ├── selinux -> ../selinux/config

    ├── sshd

    └── wpa_supplicant

5 directories, 70 files

[root@centos72 app1]# pwd

/app1

只解压一个文件到特定目录里面

注意文件是相对路径etc/sysconfig/network-scripts，也就是解压到当前目录

[root@centos72 ~]# cpio   -idv    etc/sysconfig/network-scripts   <   /app1/etc.cpio

etc/sysconfig/network-scripts

347 blocks

[root@centos72 ~]# ls

-        2.txt  aa.txt           etc           messages.zip  oCam.exe   reset.sh

202.txt  a      anaconda-ks.cfg  filelist.txt  m.z           reset1.sh  tree-1.6.0-10.el7.x86_64.rpm

[root@centos72 ~]# tree  etc/

etc/

└── sysconfig

    └── network-scripts

2 directories, 0 files

在系统里面有些文件是cpio格式的

[root@centos72 ~]# file  /app1/etc.cpio

/app1/etc.cpio: cpio archive

[root@centos72 ~]# ls  /boot/

config-3.10.0-957.12.1.el7.x86_64

config-3.10.0-957.el7.x86_64

efi

grub

grub2

initramfs-0-rescue-cb26ac281315402a9928e9a4c3bedfcd.img

initramfs-3.10.0-957.12.1.el7.x86_64.img

initramfs-3.10.0-957.el7.x86_64.img

symvers-3.10.0-957.12.1.el7.x86_64.gz

symvers-3.10.0-957.el7.x86_64.gz

System.map-3.10.0-957.12.1.el7.x86_64

System.map-3.10.0-957.el7.x86_64

vmlinuz-0-rescue-cb26ac281315402a9928e9a4c3bedfcd

vmlinuz-3.10.0-957.12.1.el7.x86_64

vmlinuz-3.10.0-957.el7.x86_64

[root@centos72 ~]# file  /boot/initramfs-3.10.0-957.el7.x86_64.img

/boot/initramfs-3.10.0-957.el7.x86_64.img: ASCII cpio archive (SVR4 with no CRC)

预览cpio的文件列表

[root@centos72 ~]# cpio   -tv   <  /boot/initramfs-3.10.0-957.el7.x86_64.img

drwxr-xr-x   3 root     root            0 May  2 14:47 .

drwxr-xr-x   3 root     root            0 May  2 14:47 kernel

drwxr-xr-x   3 root     root            0 May  2 14:47 kernel/x86

drwxr-xr-x   2 root     root            0 May  2 14:47 kernel/x86/microcode

-rw-r--r--   1 root     root        98304 May  2 14:47 kernel/x86/microcode/GenuineIntel.bin

-rw-r--r--   1 root     root            2 May  2 14:47 early_cpio

194 blocks

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Linux文件归档工具——cpio