var/log/dpkg.log: 10: 30:01 status installed debootstrap:all 1.0.118ubuntu1.4 There is no simple command, but we can use the combination of zgrep and other commands as follows. Listing installed packages sorted by installation date and time un – Indicates that package not installed or in Unknown status.ii – Indicates that package named xauth installed.Ii xz-utils 5.2.2- 1.3 amd64 XZ-format compression utilities Ii xxd 2:-1ubuntu1 amd64 tool to make (or reverse ) a hex dump Un xloadimage (no description available ) Ii xkb-data 2.23.1-1ubuntu1 all X Keyboard Extension (XKB ) configuration data Ii xfsprogs 4.9.0+nmu1ubuntu2 amd64 Utilities for managing the XFS filesystem Ii xdg-user-dirs 0.17-1ubuntu1 amd64 tool to manage well known user directories Ii xdelta3 3.0.11-dfsg-1ubuntu1 amd64 Diff utility which works with binary files Ii xauth 1:1.0.10- 1 amd64 X authentication utility ||/ Name Version Architecture Description |/ Err? = (none )/Reinst-required (Status,Err: uppercase = bad )
| Status = Not/Inst/Conf-files/Unpacked/halF-conf/Half-inst/trig-aWait/Trig-pend The syntax is:ĭesired = Unknown/Install/Remove/Purge/Hold It is also possible to list installed packages matching given pattern. How to list or find out if a specific package installed or not What if you want to list currently installed software only? Fear not, pass the option to the apt command: The apt command displays both installed and packages available to install. $ dpkg -list | more List all installed packages only To avoid this message use the dpkg command as follows: WARNING: apt does not have a stable CLI interface. However, you may see message on screen that read as follows: You might want to use the grep command/ egrep command to filter out: Let us list all software packages on Ubuntu Linux available for us: The apt-get and apt-cache commands are for specialized cases only. You must use an apt command which provides a high-level command-line interface for the package management system.
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