You may have stumbled on this MySQL error. If you have already seen this before, then it’s really easy to recognize this and fix it. But if you haven’t seen this error before, then it takes a little longer to troubleshoot the issue. I am listing down the steps to troubleshoot this issue. This issue […]

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If you are trying to commit the source code in SVN very first time and you see the following error that means You have not set the correct editor for the SVN. If you look closely the SVN suggests the possible fixes. Possible fixes You can use either of the following options. Set the one […]

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As the name suggests, it is a Python environment which is isolated from other python environments. This kind of environment is really handy when you are working on multiple projects but you don’t want to affect other project environments. Advantages of virtual environment. Isolated environment: It creates a self-contained Python instance. Whatever Python packages are […]

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Most of us know that history command on Ubuntu shows the list of previously executed commands. This command is really handy either to examine the previously executed command or re-execute the previous command. The default configuration just lists out the entry number and the commands. It doesn’t display the time of execution. This post provides […]

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Often need arises to merge text files. Recently even I encounter similar situation where I had to merge the two JMeter csv result file for some analysis. It took a little while to figure it out. This can easily be done using cat and redirection operator (> OR >>). This command is handy and saves […]

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We often need command to truncate large log files while working on production server. I have listed few of the commands which are really handy in such case. The command below is the smallest one and most handy. Some people also use the following command. Both of the commands do the same thing, it just […]

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