Linux command nmon [Purpose]        Learning linux command nmon   [Eevironment]        Ubuntu 16.04 terminal   [Procdeure]…

Linux用户以及权限相关命令 查看身份 id:Display user identity. 这个命令的输出会显示uid,gid和用户所属的组. uid即user ID,这是账户创建时被赋予的. gid是primary group ID,是主要的组的id.当然这个用户也可以属于其他更多的组. 用户账户信息被定义在 /etc/passwd文件中,组信息被定义在/etc/group文件中. chmod 命令名称:chmod 命令英文原意:change the permissions mode of…

<The Linux Command Line> 读书笔记02 关于命令的命令 命令的四种类型 type type—Indicate how a command name is interpreted. type命令:展示命令的类型. which which—Display which executable program will be executed. which命令:展示可执行命令的位置. 因为可执行命令有可能会有多个版本,所以有必要根据位置来判断究竟是哪个. which仅对可执行程序…

<The Linux Command Line> 读书笔记01 基本命令介绍 1. What is the Shell? The Shell is a program that takes keyboard commands and passes them to the operating system to carry out. 提示符 $被称作shell prompt,它表明shell准备好接收输入. 通常是包含了你的用户名和机器名(username@machinename),之后是当前的…

Most of this note comes from the Beginning the Linux Command Line, Second Edition by Sander van Vugt The only reason why many administrators are using a graphical interface on Linux, is because it allows them to run many terminal windows simultaneous…

Linux Command Line 解析 0 处理模型 Linux kernel的启动包括很多组件的初始化和相关配置,这些配置参数一般是通过command line进行配置的.在进行后续分析之前,先来理解一下command line的处理模型: 要处理的对象是一个字符串,其中包含了各种配置信息,通常各个配置之间通过空格进行分离,每个配置的表达形式是如:param=value1,value2 或者很简单就是一个rw. 那么kernel就需要提供对这些参数进行处理的处理函数列表.根据参数的作用以及…

When you are using Linux command line frequently, using the history effectively can be a major productivity boost. In fact, once you have mastered the 15 examples that I’ve provided here, you’ll find using command line more enjoyable and fun. 1. Disp…

I passionately enjoy working with commands as they offer more control over a Linux system than GUIs(Graphical User Interfaces) applications, therefore am always on the look out to discover or figure out interesting ways and ideas to make Linux so eas…

http://book.haoduoshipin.com/tlcl/book/zh/ 本书是 The Linux Command Line 的中文版, 为大家提供了多种不同的阅读方式. 中英文双语版-html 中英文双语版-PDF-2015-01-16 中文版-html 中文版-PDF-2015-01-16 中文版-EPUB 欢迎大家参与本书的翻译: github 本书的翻译由happypeter发起,Billie主力翻译,并社区协同努力 (Github Contributors)…

Notes on The Linux Command Line (by W. E. Shotts Jr.) edited by Gopher 感觉博客园是不是搞了什么CSS在里头--在博客园显示效果挺蛋疼的...这本书相当棒,建议一读 File, file systems and commands ls -a(all) -d(directory) -h(human-readable) less (show file content) FHS /bin: Contains binaries (pr…

Prerequisite: Linux Command Line(I): Beginner ================================ File I/O $ cat > a.txt #create a file 'a.txt' and appends things into it Type random stuff... # press Ctrl+d to exit editting $ cat a.txt Type random stuff... $ cat > a.t…

Linux command stty reference: https://blog.csdn.net/lqxandroid2012/article/details/78929506 [Purpose]        Learning linux command stty for get/set serial uart speed    [Eevironment]        Ubuntu 16.04 terminal   [Procdeure]        example get uart…

Linux command automake [Purpose]        Learning linux command automake for generate Makefile.in for configure from Makefile.am   [Eevironment]        Ubuntu 16.04 terminal   [Procdeure]        example: 如何安装: sudo apt-get autoremove automake 操作步骤: 第一…

Linux command parted [Purpose]        Learning linux command parted to manipulate disk partitions   [Eevironment]        Ubuntu 16.04 terminal   [Procdeure]        example: parted -s $DRIVE mklabel msdos parted -s $DRIVE unit cyl mkpart primary fat32…

Linux command useradd [Purpose]        Learning linux command useradd to create a new user or update default new user information   [Eevironment]        Ubuntu 16.04 terminal   [Procdeure]        Source code: # crate new user useradd -s '/bin/bash' -…

Linux command mktemp [Purpose]        Learning linux command mktemp to create a temporary file or directory   [Eevironment]        Ubuntu 16.04 terminal   [Procdeure]        Source code:        $ mktemp /tmp/tmp.L8mHFWSBjH…

Linux command dialog [Purpose]        Learning how to use dialog commad, do  man-machine interaction.   [Eevironment]        Ubuntu 16.04 terminal   [Procdeure]        Source code:        #!/bin/bash TTY_X=$(($(stty size | awk '{print $2}')-6)) # det…

Linux command wc [Purpose]        Learning how to statistics line numbers in file   [Eevironment]        Ubuntu 16.04 terminal   [Procdeure]        $ cat test.sh  #!/bin/bash echo "shell args option" echo "script name : $0" echo "…

https://tecadmin.net/ways-to-send-email-from-linux-command-line/ We all know the importance of emails these days for information transfer. There are many free emails service providers which we used for use like Gmail, Yahoo, RediffMail etc, which pro…

linux & command line & console & logs how to get the logs form linux command console https://cn.bing.com/search?q=how%20to%20get%20the%20logs%20form%20linux%20command%20console&qs=n&form=QBRE&sp=-1&pq=how%20to%20get%20the%20log…

[Purpose]        Learning linux command  lynx   [Eevironment]        Ubuntu 16.04 terminal   apt-get install lynx usage assic to strage web content example: root@vmuer-VirtualBox:/media/vmuer/share# lynx -dump http://www.ruanyifeng.com/blog/2018/12/g…

Linux command pushd popd [Purpose]        Learning linux command  pushd popd   [Eevironment]        Ubuntu 16.04 terminal   [Procdeure] vmuser@vmuser-virtual-machine:~$ pwd /home/vmuser vmuser@vmuser-virtual-machine:~$ pushd Downloads ~/Downloads ~ v…

linux使用nmon监控.分析系统性能   一.概述 nmon是一种在AIX与各种Linux操作系统上广泛使用的监控与分析工具,相对于其它一些系统资源监控工具来说,nmon所记录的信息是比较全面的,它能在系统运行过程中实时地捕捉系统资源的使用情况,并且能输出结果到文件中,然后通过nmon_analyzer工具产生数据文件与图形化结果. nmon所记录的数据包含以下一些方面(也是我们在寻找问题过程中所关注的资源点): ·cpu占用率 ·内存使用情况 ·磁盘I/O速度.传输和读写比率 ·文件系统的…

Linux监控工具 nmon nmon是一种在Linux操作系统上广泛使用的监控与分析工具,nmon所记录的信息是比较全面的,它能在系统运行 过程中实时地捕捉系统资源的使用情况,并且能输出结果到文件中,然后通过nmon_analyzer工具产生数据文件与图 形化结果. nmon下载与安装 wget http://sourceforge.net/projects/nmon/files/nmon_linux_14i.tar.gz tar gxvf nmon_linux_14i.tar.gz mv n…

User Structure linux command review 列出所有信号 找到名字后,kill 或者用ps找到 kill同名进程 每隔一秒高亮显示网络链接数的变化情况 启动关闭制定网卡 关闭网卡并修改MAC地址 配置IP地址 显示当前路由器 添加网关 删除网关 下载到本地 显示TCP连接 socket 摘要 列出所有打开的网络连接端口 显示所有UDP Sockets User create an account useradd shanshan delete an account u…

Linux command find All In One $ find -h # find: illegal option -- h # usage: # find [-H | -L | -P] [-EXdsx] [-f path] path ... [expression] # find [-H | -L | -P] [-EXdsx] -f path [path ...] [expression] $ find ./dist/**/*.map refs xgqfrms 2012-2020 w…

(一)nmon工具概述 nmon是以一个用来做linux服务器监控的工具,通过nmon,可以实现对以下参数的监控: --CPU使用率 --内存.交换空间使用率 --网络使用情况 --磁盘I/O,读写速度 --网络I/O速度,传输和读写速度 --顶级进程,查看哪些应用程序占用的CPU较多 --网络文件系统NFS --文件系统使用情况(类似df -h) 等... (二)nmon工具的部署 STEP1.下载安装包:http://nmon.sourceforge.net/pmwiki.php?n=Sit…

Yunduan CUI graphical user interfaces make easy tasks easy, while command line interfaces make difficult tasks possible Part 1 学习Shell 1. 什么是 Shell? Shell 是用户与操作系统交流的程序,它读取用户的键盘输入并交由操作系统执行相应的命令.所有linux都支持一个叫做 bash 的shell,它的全称是 "Bourne Again SHell&quo…

喜欢这句话 “我们永远相信,分享是一种美德 | We Believe, Great People Share Knowledge...” 但是这种美德不是为什么都要问的人准备的 ———————————————————————————————————————————————— source rul http://www.cnblogs.com/mchina/archive/2013/01/30/2880680.html 一.背景 系统管理员经常需要SSH 或者telent 远程登录到Linux 服…

测试压力的时候使用linux一个简单的监控工具nmon,不仅可以实时监测,也可以生成文件以图标样式展现,小巧实用 安装nmon nmon实际上是个tarball直接解压到所要放置的目录,然后直接运行就可以 #tar -zxvf nmon_linux_14i.tar.gz -C /data/program #./nmon_x86_64_centos6 注意这里如果运行的时候如果不想写那么复杂可以使用alias简化 (简化方法: 永久:进入家目录,在.bashrc文件中增加一行语句 alias nm…