Debian / Ubuntu command notes for packages and service maintenance ...

APT-GET

• Clean up non-existent data
  
  # apt-get autoclean

• Update list
  
  # apt-get update

• Install/update a package
  
  # apt-get install <pkg>

• review dist-upgrade prior:
  
  # apt-get -Vsu -o Debug::pkgProblemResolver=yes dist-upgrade

• Apply updates
  
  # apt-get -Vu upgrade

• Upgrade all dependencies
  
  # apt-get -Vu dist-upgrade

• Search cache
  
  # apt-cache search <pkg>

• Remove and purge packages
  
  # apt-get --purge remove <pkg>

DPKG

• Install/Update package
  
  # dpkg -i <pgk>

• Check listing of installed packages
  
  # dpkg -l *<pkg>*

• file belongs to
  
  # dpkg --search /path/to/file

• List of file in package
  
  #dpkg -L <pkg>

• Info about package
  
  # dpkg -s <pkg>

SERVICES

• Manage services at init levels.
  
  # sysv-rc-conf
# update-rc.d