Read Time: 2 mins
Have you ever come across an error says when the user actually doesn’t exist on the system? I have !!! This article talks about what to do in this situation. Assume you are trying add an user called ‘Mark’ and you get following error. useradd: user ‘mark’ already exists The error is very straightforward. It […]
Read Time: 2 mins
In this article, let me explain how you can check why a Linux process is hanging. In most of the occasions, We, the system admins 🙂 usually restart an application if it is hanging. We are forced to do this when we are firefighting and this could backfire on us later. So finding the root […]
Read Time: 3 mins
In this article, we will see how you can fix error ‘invalid byte sequence for encoding UTF8’ while restoring a PostgreSQL database. At work, I got a task to move DBs which has ASCII encoding to UTF8 encoding. Let me first confess that the ASCII DBs was not created by intention, someone accidentally created it!!! […]
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You will see this error when you try to install a PIPÂ package. This error message means Python setuptools is missing or broken. $sudo pip2.7 Traceback (most recent call last): File “/usr/bin/pip2.7”, line 6, in <module> from pkg_resources import load_entry_point ImportError: No module named pkg_resources #Fix1: Just re-install the Python setuptools to fix the […]
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Here is the Fix for error jenkins dead but pid file exists. You see this error when you check Jenkins service status. One important thing to note that you won’t find this error while starting the Jenkins service. [[email protected] vagrant]# /etc/init.d/jenkins start Starting Jenkins [ OK ] [[email protected] vagrant]# /etc/init.d/jenkins status jenkins dead but […]
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