5. Software Management

There are two types of software installation packages in linux, DEB packages and RPM packages.

DEB package

Generally used in ubuntu, you can enter the command aptitudemanagement software. Use apt to install, update, configure software, etc.

sudo apt-get update 		#get the latest package versions
sudo apt-search vsftpd 		#find package by key word(vsftpd)
sudo apt-cache show vsftpd  #display information about a package
sudo apt-get install vsftpd #install the vsftpd package
sudo apt-get upgrade 		#update installed packages
sudo apt-cache pkgnames 	#list all packages that are in