Ubuntu
Related: http://www.vincentkong.com/tag/ubuntu
Automatic Updates
The unattended-upgrades package can be used to automatically install updated packages, and can be configured to update all packages or just install security updates.
$ sudo apt-get install unattended-upgrades
Notification
Enable unattended-upgrades to email an administrator detailing any packages that need upgrading or have problems.
Edit /etc/apt/apt.conf.d/50unattended-upgrades
Unattended-Upgrade::Mail "root@localhost";
Another useful package is apticron. apticron will configure a cron job to email an administrator information about any packages on the system that have updates available, as well as a summary of changes in each package.
To install the apticron package, in a terminal enter:
$ sudo apt-get install apticron
Once the package is installed edit /etc/apticron/apticron.conf, to set the email address and other options:
EMAIL="root@example.com"
Reference: https://help.ubuntu.com/10.04/serverguide/C/automatic-updates.html
Ubuntu Commands
Main article: Ubuntu Commands
Upgrading packages currently installed
Resynchronize the package index files from their sources.
$ apt-get update
Upgrade the newest versions of all packages currently installed on the system.
$ apt-get upgrade
Adding Canonical Partner Repository for Ubuntu Lucid
$ add-apt-repository "deb http://archive.canonical.com/ lucid partner"
Playing MPEG-4 and MP3
Install the decoders:
$ apt-get install gstreamer0.10-ffmpeg $ apt-get install gstreamer0.10-fluendo-mp3 $ apt-get install gstreamer0.10-plugins-ugly
Networking browsing with Xubuntu
Main article: Networking Browsing on Xubuntu with pyNeighborhood
Email client
$ apt-get install alpine
Sun JDK for Ubuntu 10.04
Main article: Sun JDK for Ubuntu 10.04
Networking for Ubuntu
Main article: Ubuntu Network Interface
VNC for Ubuntu
Main article: VNC for Ubuntu
Force fsck on next reboot
$ touch /forcefsck $ reboot
The file forcefsck will disappear after reboot.
Monitoring hard drive health
Main article: Monitoring Hard Drive Health in Ubuntu
Setting proxy
Setting global proxy. Edit /etc/environment:
http_proxy="http://user:password@proxyaddress:port"
Alternative:
Edit /etc/bash.bashrc file as root.
export http_proxy=http://username:password@proxyaddress.net:port export ftp_proxy=http://username:password@proxyaddress.netport
