虽然,redhat 8在今年已经推出了,但是centos 8还没有推出.而且公司好多都在用centos 6和7 来了解一下6和7的区别吧 整体说明 1.系统 项目CentOS 6CentOS7 . 安装过程6 一步一步7 随意 . 默认的文件系统ext4xfs3. 启动流程串行并行 . 运行级别runleveltarget . 内核2.6.323.10.0 . 开机自启动服务chkconfigsystemctl enable/disable rsyncd . 开启或关闭服务/etc/init.d…

CentOS / Redhat : Configure CentOS as a Software Router with two interfaces   Linux can be easily configured to share an internet connection using iptables. All you need to have is, two network interface cards as follows: a) Your internal (LAN) netwo…

一:查看cpu more /proc/cpuinfo | grep "model name" grep "model name" /proc/cpuinfo 如果觉得需要看的更加舒服 grep "model name" /proc/cpuinfo | cut -f2 -d: 怎么样,linux的命令就要这样熟悉. 二:查看内 [root@CentOS ~]# grep MemTotal /proc/meminfo [root@CentOS ~]#…

Note: This is not the most highly recommended method to move from CentOS 6 to CentOS 7 ... but it can be performed, at your own risk, if the tool says the risk is Slight or None. We would NEVER recommend using this method with any Medium, High or Ext…

CentOS 七 vs CentOS 6的不同   CentOS 7 vs CentOS 6的不同(1)桌面系统[CentOS6] GNOME 2.x[CentOS7] GNOME 3.x(GNOME Shell) (2)文件系统[CentOS6] ext4[CentOS7] xfs (3)内核版本[CentOS6] 2.6.x-x[CentOS7] 3.10.x-x (4)启动加载器[CentOS6] GRUB Legacy (+efibootmgr)[CentOS7] GRUB2 (5)防火…

简单说明下 centos 6 与 centos 7 服务开机启动.关闭设置的方法: centos 6 :使用chkconfig命令即可. 我们以apache服务为例: #chkconfig --add apache 添加nginx服务 #chkconfig apache on 开机自启nginx服务 #chkconfig apache off 关闭开机自启 #chkconfig --list | grep apache 查看 centos 7 :使用systemctl中的enable.disab…

Upgrading CentOS 6 to CentOS 7 November 15th, 2018 — whplus PRE TASKS There are some tasks you can do to prevent from unwanted results. Like: Disable selinux Remove unnecessary repositories Take a recent backup! CENTOS UPGRADE REPOSITORY Create a new…

CentOS 7 vs CentOS 6的不同(1)桌面系统[CentOS6] GNOME 2.x[CentOS7] GNOME 3.x(GNOME Shell)   (2)文件系统[CentOS6] ext4[CentOS7] xfs   (3)内核版本[CentOS6] 2.6.x-x[CentOS7] 3.10.x-x   (4)启动加载器[CentOS6] GRUB Legacy (+efibootmgr)[CentOS7] GRUB2   (5)防火墙[CentOS6] iptable…

CentOS 7 vs. CentOS 8 版本差異大比拼 2020-02-14 CentOS 最近剛好在撰寫課鋼,必須要以最新的 CentOS 8 版本為主,剛好來做一下 CentOS 7 和 CentOS 8 的比較差異   CentOS 8 是在 2019 年 9 月 24 日釋出,第一個發行版本為 1905 版,拿 CentOS 7 做一個差異比較:   CentOS 7 CentOS 8 Kernel 基於 Fedora 19 和 upstream kernel 3.10 基於 Fed…

1:CentOS 6.9 # 0 - halt (Do NOT set initdefault to this) # 1 - Single user mode # 2 - Multiuser, without NFS (The same as 3, if you do not have networking) # 3 - Full multiuser mode # 4 - unused # 5 - X11 # 6 - reboot (Do NOT set initdefault to this)…