Tips And Tricks
When you try to ssh the another remote Linux/Unix machine , you might have encountered with the WARNING: REMOTE HOST IDENTIFICATION HAS CHANGED! . This message we have often seen when we work in Linux machines. In this post we have provided the Reason and Solution on this Warning. root@tuxworld:/tmp# ssh 10.10.0.16 @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ @ WARNING:…
Long time ago one of my U.S system admin was very security conscious. He asked me to create id_rsa.pub key in server. I created the key with ssh-keygen -t rsa command. And send it him through encrypted email. Next day he wrote me ,what is the ssh key fingerprint ? First let’s have some introduction….
When you work on Java or any Java based project , you might need to set JAVA environment variables JAVA_HOME and PATH in Linux. After installing new java (jdk or jre) or latest Java you may have usually find that the version of java is not exactly the same which you have installed. It might…
In new server today created a authorized_keys file in /root/.ssh/ directory. After doing ssh first time got the error – Agent admitted failure to sign using the key For solving this issue use the command ssh-add in client machine ssh-add Given below are the outputs from terminal. The solution pretty much straight simple. sharad@mypc:~$ ssh…
How to see system load average in terminal with graphical representation Few days back I wrote on 4 commands to find loadaverage of system. (https://sharadchhetri.com/2013/03/11/4-different-commands-to-check-the-load-average-in-linux/) tload is the command through which we can find the loadaverage of system whereas it will show the loadaverage in Terminal with graphical representation. tload For more details read manpage…
How to convert float to integer number In this tutorial we will learn how to convert float to integer number. This tutorial is helpful in bash or shell scripting. For eg. the float value number is 204.47584 and you would like to show only number in integer form means upto 204. So for this use…