Listing the installed packages on an Ubuntu server
July 11, 2022
To figure out which packages are installed on an Ubuntu server, you can do:
apt list --installed
If you for example want to known which PHP 8.1 packages are installed, you can filter using grep:
$ sudo apt list --installed | grep -i php8.1
WARNING: apt does not have a stable CLI interface. Use with caution in scripts.
php8.1-bcmath/focal,now 8.1.7-1+ubuntu20.04.1+deb.sury.org+1 amd64 [installed]
php8.1-cli/focal,now 8.1.7-1+ubuntu20.04.1+deb.sury.org+1 amd64 [installed,automatic]
php8.1-common/focal,now 8.1.7-1+ubuntu20.04.1+deb.sury.org+1 amd64 [installed]
php8.1-curl/focal,now 8.1.7-1+ubuntu20.04.1+deb.sury.org+1 amd64 [installed]
php8.1-fpm/focal,now 8.1.7-1+ubuntu20.04.1+deb.sury.org+1 amd64 [installed]
php8.1-mbstring/focal,now 8.1.7-1+ubuntu20.04.1+deb.sury.org+1 amd64 [installed]
php8.1-mysql/focal,now 8.1.7-1+ubuntu20.04.1+deb.sury.org+1 amd64 [installed]
php8.1-opcache/focal,now 8.1.7-1+ubuntu20.04.1+deb.sury.org+1 amd64 [installed]
php8.1-readline/focal,now 8.1.7-1+ubuntu20.04.1+deb.sury.org+1 amd64 [installed]
php8.1-sqlite3/focal,now 8.1.7-1+ubuntu20.04.1+deb.sury.org+1 amd64 [installed]
php8.1-xml/focal,now 8.1.7-1+ubuntu20.04.1+deb.sury.org+1 amd64 [installed]
php8.1-zip/focal,now 8.1.7-1+ubuntu20.04.1+deb.sury.org+1 amd64 [installed]
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