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sudo apt-get update

This guide will help you to upgrade from Ubuntu 9.04 Jaunty Jackalope to 9.10 Karmic Koala. This tutorial has total of 13 steps with appropriate screen shots. How to check the current version of Ubuntu? You have the following three options: Option 1: Check the /etc/issue file for Ubuntu version. $ cat /etc/issue Ubuntu 9.04.1 [...]

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When executing the apt-get update command, you may get "There is no public key available" warning message. This article explains how to solve this warning message message. $ apt-get update Get:1 http://debian.linux.org.tw lenny Release.gpg [394B] Get:2 http://debian.linux.org.tw lenny Release [73.6kB] Get:3 http://debian.linux.org.tw lenny/main Packages [5310kB] Fetched 5384kB in 1m13s (73.5kB/s) Reading package lists... Done W: [...]

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This guide will help you to upgrade from Ubuntu 8.04 Hardy Heron To Ubuntu 8.10 Intrepid. This tutorial has total of 14 steps with appropriate screen shots. How to check the current version of Ubuntu? You have the following three options: Option 1: Check the /etc/issue file for Ubuntu version. $ cat /etc/issue Ubuntu 8.04.1 [...]

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