Common commands and tips for Ubuntu

Common commands and tips for Ubuntu
sudo apt-get install software name installation software command
sudo nautilus Open file (with root permission)
SU root switches to "root"

LS lists the current directory file (excluding hidden files)
Ls-a list current directory files (including hidden files)
Ls-l list the files in the current directory for more information

Cd.. Back to the top-level directory of the current directory
CD-Back to the same directory
CD ~ or CD back to the current user's host directory
mkdir directory name Create a directory
RmDir Empty directory name Delete an empty directory
RM FileName File name Delete a file or multiple files
RM-RF non-empty directory name delete everything under a non-empty directory

MV Path/Document/warp/file movement relative to the path of the file to the absolute path
MV FileName New name renamed in current directory
Find Road via-name "string" finds paths in the range of files and directories that meet string matches

Fdisk fdisk-l viewing system partition information
FDISK FDISK/DEV/SDB partition a new SCSI hard drive
Chown chown Root/home Change the owner of/home to the root user
CHGRP chgrp root/home Change the home/home group to the root group

Useradd Create a new user
Groupadd group name to create a new group
PASSWD User name create password for user
passwd-d User name Delete user password can also login
Passwd-s User name Inquiry account password
Usermod-l new username old user name renamed to User
Userdel–r User name Delete user everything

TAR-C Create Package –x release Package-v Display command procedure –z represents a compressed package
TAR–CVF benet.tar/home/benet Pack The/home/benet directory
TAR–ZCVF BENET.TAR.GZ/MNT Package and compress the directory
TAR–ZXVF benet.tar.gz Compressed Package file decompression and recovery
TAR–JXVF benet.tar.bz2 Decompression

Make compilation
Make install installs the compiled source package
Reboot Init 6 Restart Linux system
Halt Init 0 shutdown–h now shut down the Linux system

Uname-a Viewing the kernel version
Cat/etc/issue View Ubuntu version
LSUSB Viewing USB devices
sudo ethtool eth0 view NIC status
Cat/proc/cpuinfo Viewing CPU information
LSHW Viewing current hardware information
sudo fdisk-l viewing disk information
Df-h viewing the remaining space on the hard disk
Free-m View Current Memory usage
PS-A See which processes are currently in progress
Kill process Number (the number of the first column in ps-a) or killall process name (kills a process)
Kill-9 process number forces a process to be killed

Common APT Commands:

Apt-cache Search Package
Apt-cache Show package for information about packages, such as description, size, version, etc.
sudo apt-get install package
sudo apt-get Install package--Reinstall reinstall packages
sudo apt-get-f install fix "-F =–fix-missing"
sudo apt-get Remove Package
sudo apt-get Remove Package--purge delete packages, including deletion of configuration files, etc.
sudo apt-get update source
sudo apt-get upgrade update installed packages
sudo apt-get Dist-upgrade upgrade system
sudo apt-get dselect-upgrade using Dselect upgrade
Apt-cache depends package learn about using dependencies
Apt-cache Rdepends package is to see which packages are dependent on
sudo apt-get BUILD-DEP Package Installation-related compilation environment
Apt-get Source Package Downloads The source code for the bundle
sudo apt-get clean && sudo apt-get autoclean cleanup of useless packages
sudo apt-get check to see if there is a corrupted dependency

Clean up all software caches (that is, the Deb packets that are cached in the/var/cache/apt/archives directory)
sudo apt-get clean

Remove orphaned software that is no longer used by the system
sudo apt-get autoremove

Common commands and tips for Ubuntu