Linux Foundation (i)--Server foundation and Simple command set

Source: Internet
Author: User

Linux Overview
Linux是一种操作系统,Unix之父,肯.汤普森,丹尼斯.李奇(C语言之父)Linux之父,林纳斯.托瓦兹自由软件之父,理查德.斯托曼  GNU项目
Common server Systems
Unix,IBM、HP、Sun、BSD……少数几个公司(封闭)Linux,红帽、Debian、深度、……很多个公司(开源)Windows,微软公司(封闭)
Common Linux file systems
    XFS       常用    EXT4      SWAP     虚拟内存文件
Linux Simple command set
yum  -y  install  bash-completion     安装一个辅助包yum  -y  install   软件名  .. ..       加载、安装一个软件             remove      移除systemctl   restart   服务名 .. ..         启动一个服务start|stop   
Linux Network configuration Instruction set
‘Ifconfig ‘                                 查看已连接的网卡设备route –n                  查看路由表cat  /etc/resolv.conf    查看DNS服务器地址nmcli  con  show      查看网络配置(连接名)Cat  /etc/sysconfig/network-scripts/ifcfg-eno16777736 查看网卡配置文件夹Nmcli device status                     查看所有网卡设备Nmcli connect delete eno16777736    删除某一个网卡Nmcli connect add con-name network ifname eno16777736type Ethernet 重新为网卡eno16777736 添加一个名为network 的配置nmcli con mod “连接名” ipv4.method manual ipv4.address“ip地址/掩码位数”手工配置子网掩码Nmcli con mod “连接名”connection.autoconnect yes配置允许自动连接Nmcli con mod “连接名”ipv4.gateway 网关地址Nmcli con mod “连接名”ipv4.dns dns地址Nmcli con down/up “连接名” 停用/激活指定连接
Linux Change Password
1.  Echo “123” |passwd – stdin root2.  
Relative path and absolute path
‘相对路径‘:不受当前位置影响,以”/” 开始,特点是搜索准确‘绝对路径‘:通配符:‘* ‘     可以匹配任何文件‘?‘   只能匹配一个字符
The display, creation, copying, deletion, and movement of Linux files and folders
‘显示:‘Ls :   显示根目录下面的所有文件/文件夹Ls  -A: 显示所有文件/文件夹(包括.开头的隐藏文档)Ls  -l: 以长格式显示详细列出 文件权限、大小、等Ls  -lh: 提供易读的容量单位‘创建‘:Mkdir : mkdir 文件 /  文件夹//Mkdir –p /vod/movie  表示连父系目录一起创建‘复制:‘CP-copy:cp 被复制的文件 目标地址Cp –r :     递归复制,若复制文件内包括文件夹 则必须有次选项Cp –p :     复制时保持原有的权限,修改时间等不变Cp –rp:      一般情况下我们做文件复制时结合使用‘删除:‘Rm-remove:  rm 文件或者文件夹Rm –r  :     递归删除,删除文件夹及下面的文件Rm –fr / :     删除根目录文件( 谨慎操作)‘移动/改名‘Mv :            mv被移动的文档A  目标文档BMv 被移动的文件  目标文件夹

Linux Foundation (i)--Server foundation and Simple command set

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