Category Archives: Linux_Tips_n_Tricks

Ubuntu update — Key not found error

Problem : 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 XXXXXXXXXXXXXXX (Actual Key in error) Solution : vijay@superox$ gpg –keyserver keyserver.ubuntu.com –recv xxxxxxxxxx (Replace xxx with you key … Continue reading

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Installing Free SSL certificate

There is website who provid ssl free ssl certificate for 30 days. Go to “http://www.rapidssl.com/index_ssl.htm.” here search for freessl or directly go to “http://www.rapidssl.com/ssl-certificate-products/free-ssl/freessl.htm” Select your webserver version & follow the instructions. I have used apache 2.x To get your … Continue reading

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Search & Delete using find command

Scenario: I have configure log rotate on my apache access logs. It make zip file on end of day. Day by day its increasing n I don’t have space to keep all logs. I want to delete 7 days old … Continue reading

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Using Command line download accelerator

wget – Resume downloads, limit the speed and logging To start wget in background with 20k speed limit & logging in home directory. wget -b -c http://some.server.com/file –limit-rate=20K -o $HOME/log.txt Using AXEL $ axel http://download.com/file.tar.gz Limit speed $ axel -s … Continue reading

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