How to use openssl command to encrypt/decrypt data in Linux ?
Here we will look how we can encrypt and decrypt data using various encryption algorithms like des, rc, etc in linux. Let us take a test file and first do...
Tag: dsa
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How to extend Logical Volume using lvextend in Linux ?
Today we will see how to increase Logical volume size when we have space available in our Volume Group. If the space is not available then you need to check...
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How to increase disk size in VxVM Veritas Volume Manager ?
LVM and VxVm, both are volume managers that allow us to manage disk space on our OS. Logical meaning is same for any volume manager in Linux, the difference lies...
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How to unlock user in Linux/Solaris ?
As a linux/Unix administrator, you must know when our OS locks a user and how this task is done. Linux governs its user activities before system login via PAM or...
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How to block/drop ping requests to a linux/solaris server ?
In this article, I will show you how to block/drop ping requests made to your linux or solaris server. However mostly we spanfer to drop these ping requests (or icmp/echo...
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Red hat linux hangs during startup while starting nbclient service.
Recently we have an activity of server hardware upgrade. All went fine and the hardware of the servers are upgraded without any issues but while starting servers again after hardware...
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AMAZING NUMBER NINE
AMAZING NUMBER NINE TAKE ANY NUMBER OF DIGITS,HERE I AM TAKING 25 AND 32,NOW YOU CAN WRITE THEM IN FOUR WAYS LIKE THAT 25*32=800 25*23=575 52*23=1196...
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Piyush Goel : Mirror Image Man
Piyush Goel : Ordinary Indian Man with Extraordinary Achievement & Records Piyush Kumar Goel, an ordinary man from Greater Noida, India achieved some Extraordinary Achievement & World Records with...
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How to show notification in GUI mode in linux ?
Are you creating some script and thinking how to show notifications in graphical mode for the tasks done. So in linux we have a command called "notify-send" to accomplish this task. Let us...
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How to encrypt and decrypt file in linux using GPG?
This is a very basic concept and may be most of you are aware of the GPG i.e. GNU privacy guard as well as of DES,RC, etc encryption techniques. We...