Ubuntu

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General







Web Server How To



Package Manager - Apt-Get


Commands

  • Update - Updates the locally stored index of all installable packages from the remote server.
  • Upgrade - Upgrade all packages that have been already installed.


sudo apt-get update
sudo apt-get upgrade
sudo apt-get install [PACKAGE NAME]
sudo apt-get remove [PACKAGE NAME]
apt-get help


Local Package Index

/etc/apt/sources.list
/etc/apt/sources.list.d


Installing Applications of Interest

sudo apt-get install openssh-server
sudo apt-get install mutt
sudo apt-get install vsftpd




Init.d

Issue commands to start/stop services.

/etc/init.d/[APPLICATION] [COMMAND]
Commands
  • start
  • stop
  • restart


.bash_history

Location:  ~/.bash_history
This file contains a history of all past command-line entries.


Directory Structure

binEssential user command binaries.
bootStatic files of the boot loader.
cdrom
devDevice files.
etcHost-specific CONFIGURATION files, i.e. preferences.
homeUser home directories.
libEssiential shared libraries and kernel modules.
mediaMount point for removable media.
mntMount point for a temporarily mounted filesystem.
optAdd-on application software packages.
procVirtual filesystem documentation kernel and process status as text files.
rootHome directory for the root user.
run
sbinSystem binaries.
srvData for services provided by the system.
sys
usrMulti-user utilities & applications.
varVariable files.