Solved: cron jobs stopped working automatically ?
Today we will see an interesting bug when the cron jobs stopped working on the system automatically. It is identified when we have multiple job schedulers available on the system....
Category: Linux/Unix
In this category, you can see all articles related to Unix or Linux operating System.
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How to add a custom file in log rotation in linux ?
Today in this post, we will look how to add a custom file in log rotation. This will help to do automated housekeeping on the server. Lets suppose we have...
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How to check the IP address on linux machine if no ifconfig command is installed ?
Today we will see an interesting tip to see the IP address of a linux machine when no ifconfig utility is installed on server. Issue: ifconfig command not available [user@ngelinux02...
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How to set maximum user processes in Linux ?
In this post, we will look how to set maximum user processes in linux. I. Check current process limit. user@server02:~> ulimit -a core file size (blocks, -c) unlimited data seg...
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Solved: Error with swapon: swapon failed: Invalid argument.
Today in this article, we will look at an interesting issue where we are getting error while adding new swap. I. Issue/Error Message bash-4.2$ sudo swapon -a swapon: /oracle/swapfile:...
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How to check and update new font in Centos/Redhat Linux ?
Today lets see how to check and update new fonts in CentOS or Redhat Linux. This is very useful tip to manage fonts on your Linux system. Lets see if...
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Steps to upgrade java on Linux/AIX/Unix Production Servers.
Today in this article we will look at steps how to update Java RPM on any linux server. There are two approaches of this task. I. First approach:- Update from...
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Steps to patch Linux/RHEL server.
Today we will look linux server patching process in short. It is quite simple, however very useful to know the steps. Linux Production Server Patching Steps Pre-requisite:- I am assuming...
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Solved: Samba share not accessible – Error NT_STATUS_NO_TRUST_SAM_ACCOUNT ?
Today we will see one of the most common issues with respect to samba where the share is not accessible. To troubleshoot this, we will see how to proceed step...