Ubuntu Advanced Packaging Tool commands

1. apt-get:

  • apt-get update (updates only the list of available packages and their versions, but will not perform any update)
  • apt-get upgrade (this will actually updates already installed packages, must run update before upgrade)
  • apt-get upgrade apache2
  • apt-get dist-upgrade (More thorough dependency resolution)
  • apt-get install | remove apache2
  • apt-get –purge remove apache2 (Removes package and its config files)
  • apt-get autoremove (Remove packages that are not needed anymore)
  • apt-get clean

2. apt-cache:

  • apt-cache search apache2
  • apt-cache search metapackage
  • apt-cache show apache2
  • apt-cache depends apache2
  • apt-cache showpkg apache2
  • apt-cache pkgnames kernel

3. apt-file:

  • apt-file search apache2.conf
  • apt-file list apache2
  • apt-file find /etc/logrotate.conf

4. apt:

  • apt list –installed | grep bash
  • apt show bash
  • apt search bash



About Ishtiaque

I am IBM Certified Infrastructure Systems Architect, Linux Foundation Certified System Administrator, Oracle Certified Programmer in Java and Web Component Developer, and TOGAF 9 certified with over 10 years of support and development experience in IBM middleware software and Java. Additionally, have a sound grip in databases and OpenStack administration. I hold the following certifications: IBM Certified Infrastructure Systems Architect Linux Foundation Certified System Administrator (LFCS) TOGAF 9 Certified Oracle Certified Expert, Java EE6 Web Component Developer Oracle Certified Professional – Java 6 Programmer ITIL v3 Foundation Certified IBM Certified Solution Architect – Cloud Computing Infrastructure V1 IBM Certified System Administrator – WebSphere Portal V8, V7, V6.1, V6 IBM Certified System Administrator – WebSphere Application Server V7, V6.1 IBM Certified System Administrator – AIX V7 IBM Certified System Administrator – WebSphere MQ V7 IBM Certified Deployment Professional – Business Process Manager Advanced V7.5 IBM Certified Solution Advisor – Cloud Computing Architecture V3 IBM Certified Solution Developer – WebSphere Portal V5.1
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