Linux Common commands

Shortly before learning Python, in the Windows environment has learned to install, debugging and so on, when learning to find a lot of configuration in the Linux environment, so install a Linux system for their own learning and memo.

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Add user

Useradd Eros

To see if a user was created successfully

ls/home/

Change Password

passwd Eros

Add Sodu Permissions

chmod 640/etc/soduers #修改权限

Vim/etc/sudoers #编辑文件

Add Eros all= (All) all under root all= (All)

chmod sudoers #把权限修改回去

Set up a network

View IP Address

Ifconfig

Edit the/etc/sysconfig/network-scripts/ifcfg-eth0 network card profile (there may be multiple network cards, there are multiple network card profile IFCFG-ETHX)

Vim Etc/sysconfig/network-scripts/ifcfg-eth0

Edit the contents of the modified file as follows: (#号后面为注释) Device=eth0                  #对应第一张网卡 (general original file without modification) hwaddr=74:27:ea:44:df:5e     # corresponding network card MAC address (general original file without modification) type=ethernet                # (general original file without modification) uuid=354c1215-d163-4181-9e26-1c5dccc91c53    # (General original file without modification) Onboot=yes             #是否启动时运行NM_CONTROLLED =yes       # (general original file without modification) bootproto=static    #使用静态IP, Instead of being assigned by DHCP ipipaddr=192.168.4.231   #指定本机IP地址NETMASK =255.255.255.0  #指定子网掩码GATEWAY =192.168.4.1    # Specify Gateway dns1=8.8.8.8           #指定DNS

Restart Network configuration command

Service Network restart

Linux Common commands