SOHO Network Management

Tuesday, March 31, 2009

Update manager error - The following signatures couldn't be verified because the public key is not available

Q : Update manager gives error :
" W: GPG error: http://ppa.launchpad.net hardy Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 248DD1EEBC8EBFE8 "

Ans : sudo apt-key adv --recv-keys --keyserver keyserver.ubuntu.com 248DD1EEBC8EBFE8

Sources :

https://help.launchpad.net/Packaging/PPA#Adding
http://www.uluga.ubuntuforums.org/showthread.php?t=1083516&page=2

Done.....!

Thursday, March 12, 2009

Unable to download incoming attachments from yahoo

Since October many people are facing problem with downloading the incoming attachments. The fix for this is simple.

Update / install Flash player to current version : Check your flash version with http://playerversion.com/
Update / install JAVA to current version
Clean Cookies, Delete temp files from your browser
Some settings in the anti virus installed on your pc

For QuickHeal

Update to the current version, update the virus database.
Open options > email protection > Control attachments to your incoming mails - Disable all.

For Trend micro

Update to the current version, update the virus database.
Go into Virus Controls > Protection Against Viruses > click on Settings and uncheck the box "Threats in Web mail attachments".

Done.....

Wednesday, March 11, 2009

How to Unrar files?

Q : I had received a file compressed in rar format. By default the archive manager was not able to extract files and was giving error.

Ans : Sudo apt-get install rar unrar

Then gnome archieve manager was able to extract files

Note: rar is to create rar files and unrar is to extract files from rar compression