• run this command in console to open vim editor :

sudo vim /etc/apt/sources.list.d/pidgin-ppa.list

(if you not familiar with vim use gnome editor with command : sudo gedit /etc/apt/sources.list.d/pidgin-ppa.list)
*since it’s using sudo command you will requested to enter your password to enter root mode)

• Add this line:

deb http://ppa.launchpad.net/pidgin-developers/ppa/ubuntu jaunty main

*I bold the jaunty since it will depends on your ubuntu version (8.10=intrepid, 9.04=jaunty, 9.10=karmic). If you not sure run this command : lsb_release –short –codename

* It will print out your ubuntu release codename

If you’re in Indonesia you can put UGM repository (instead the above line):

deb ftp://repo.ugm.ac.id/ppa.launchpad.net/pidgin-developers/ jaunty main

• Save the file. Since you don’t have the file (/etc/apt/sources.list.d/pidgin-ppa.list) it will create new file when you save it.

• Next you also need to download pidgin public key by executing this command:sudo apt-key adv –recv-keys –keyserver keyserver.ubuntu.com 67265eb522bdd6b1c69e66ed7fb8bee0a1f196a8
• Then open your Synaptic Package Manager and click Reload
• Write ‘pidgin’ in your quick search textbox and see if latest pidgin version is 2.6.x

Screenshot-Synaptic Package Manager

• Right click on the pidgin and select mark for upgrade and click apply

I hope the explanation is clear enough

Cheers..

Related posts:

1. Solving Pidgin cannot connect to Yahoo Messenger (YM)
2. Solving (fixing) ubuntu 10.04 (lucid) screen flicker/distortion

I google and several article/forum writing that need to flush dns cache and also about several YM server cannot be accessed from Pidgin.

I try my friend advice to change YM server configuration to IP rather than domain name.
And it’s worked..
You will need to use cn.scs.msg.yahoo.com as Pager server since June 24, or you can update to pidgin 2.5.7 to solve this problem

Some people are reporting changing the Pager server didn’t solve the problem, you can follow these instruction to update your pidgin to latest version (for Ubuntu) : Updating Pidgin to latest version in Ubuntu

The steps: 1. Select menu Accounts – Manage Accounts

2. Select your Yahoo Messenger account & click ‘modify’

3. Select advanced tab

4. Change your pager server to : cn.scs.msg.yahoo.com

5. Then disabled & enabled your account. Or restart the pidgin.

And your Pidgin should able connect to YM

*Update*
List IPs can be used (thanks to Med):
66.163.181.179 – 66.163.181.180 – 66.163.181.181 – 66.163.181.182 – 66.163.181.183 – 66.163.181.166 – 66.163.181.167 – 66.163.181.168 – 66.163.181.169

Starting June 24 using IP doesn’t seems to work anymore, try to use : cn.scs.msg.yahoo.com

Related posts:

1. Microsoft + Yahoo = ?
2. Updating Pidgin to latest version in Ubuntu
3. Solving failed starting mysql service with non default datadir (Ubuntu)