Installation package search and installation
The currently installed package under ubuntu is saved in: /var/cache/apt/archives
The currently installed application under ubuntu:/usr/share/applications
apt command:
#Search package
apt-cache search package
#Get information about the package, such as description, size, version, etc.
apt-cache show package
#Installation package
sudo apt-get install package
#Reinstall the package
sudo apt-get install package - - reinstall
#Forced installation
sudo apt-get -f install
#Delete package
sudo apt-get remove package
#Delete package, including deleting configuration files, etc.
sudo apt-get remove package - - purge
#Automatically delete unnecessary packages
sudo apt-get autoremove
#Update source
sudo apt-get update
#Update installed packages
sudo apt-get upgrade
#Upgrading the system
sudo apt-get dist-upgrade
#Use dselect to upgrade
sudo apt-get dselect-upgrade
#Understand the use of dependencies
apt-cache depends package
#Understand a specific dependency
apt-cache rdepends package
#Install the relevant compilation environment
sudo apt-get build-dep package
#Download the source code of the package
apt-get source package
#Clean up the archive of downloaded files
sudo apt-get clean && sudo apt-get autoclean
#Check for broken dependencies
sudo apt-get check
dpkg command:
#View the information of the software packages installed in the current system
dpkg -l
#View the detailed list of software files installed in the system
dpkg -L （软件包名称）
#View the detailed information of the specified software package that has been installed
dpkg -s
#View that a file in the system belongs to which package
dpkg -S
# Thorough uninstall including software configuration files, etc.
dpkg -P
dpkg -i *.deb文件的安装
dpkg -r *.deb文件的卸载
View deb package commands that are not installed
#Query the files contained in the deb package file
dpkg -c *.deb rpm -qlp
#Query deb package details
dpkg -I *.deb