Steve Langasek has announced the availability of the first beta release of Ubuntu 10.04, code name “Lucid Lynx”, a long-term support (LTS) version: “The Ubuntu team is pleased to announce the first beta release of Ubuntu 10.04 LTS Desktop, Server, and Netbook editions and of Ubuntu 10.04 Server for Ubuntu Enterprise Cloud (UEC) and Amazon’s EC2. Ubuntu 10.04 LTS Desktop and Netbook editions continue the trend of ever-faster boot speeds, with improved start-up times and a streamlined, smoother boot experience. …

A security issue affects the following Ubuntu releases:
Ubuntu 6.06 LTS Ubuntu 8.04 LTS Ubuntu 8.10 Ubuntu 9.04 Ubuntu 9.10
This advisory also applies to the corresponding versions of Kubuntu, Edubuntu, and Xubuntu.
The problem can be corrected by upgrading your system to the following package versions:
Ubuntu 6.06 LTS:
sudo 1.6.8p12-1ubuntu6.1
sudo-ldap …

Ubuntu / Debian Package Manager:
dpkg:
Ubuntu/Debian package management. (equivalent to rpm in functionality.)

Command
Description

dpkg -l
List all packages installed on system. Often used with grep: dpkg -l | grep partial-name-of-package

dpkg -l package-name
Query version of package and if package is installed.

dpkg -L package-name
List all files on the system associated with the package.

dpkg -S file-name
List the package name to which this file is associated.

dpkg -p file-name
Print package information. See /var/lib/dpkg/available

dpkg -i package-name.deb
Install package.
Also see “apt-get install package-name“.

dpkg -r package-name
Remove package. Keep configuration files.
Also see …

Nginx (pronounced “engine x”) is a free, open-source, high-performance HTTP server and reverse proxy, as well as an IMAP/POP3  proxy server Written by Igor Sysoev in 2005, Nginx now hosts between 1% and 4% of all domains worldwide. Although still in beta, Nginx is known for its stability, rich feature set, simple configuration, and low resource consumption.
Currently Ubuntu Hardy will install Nginx version nginx-0.7.65 using aptitude.
Install Nginx webserver in Ubuntu Hardy
sudo aptitude install nginx
This will install all the …