How to check if a NFS server is reachable from NFS client ?
In this article, we will see how to verify if a NFS server is reachable from NFS client. I assume the NFS server is reachable i.e. ping works fine and...
Tag: linux
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Solved: Why Linux Server rebooted when all LUN paths failed ?
Today in this article, we will see an interesting issue what i faced on one of the production server which got rebooted automatically during a SAN switch replacement activity. ...
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How to extend LV on RHEL/CentOS with a single command on live systems ?
Today we will look at one of the useful tip to understand how to extend logical volume on RHEL/CentOS with a single command on production servers. Lets see the process...
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What is hung task and how to panic our RHEL/centos system when a task remains hanged for specific period of time ?
The hung task is detected by linux kernel by parsing processes with uninterruptible sleep state(which are waiting for some event or resource and is usually not going to move forward)...
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How to grep some content with before and after lines in linux and AIX ?
Today in this article we will look how to search a paragraph like content, or say get some lines before the searched text and few lines afterwards. In linux, we...
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How to reboot an IBM AIX server, RHEL Server, and Solaris host ?
Today we will see how to reboot an AIX server, a RHEL server, and a Solaris box. Lets have a look at it one by one. I. Rebooting IBM AIX...
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TCPDump useful examples for day to day tasks for RHEL/CentOS.
In this article we will look for tcpdump examples which are useful to accomplish our day to day tasks. Lets have a look at various examples step by step. 1....
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Find files modified before 15 days in current directory and delete them.
In this article, we will see how to find files/directory older than say 15 days and delete those files. The tip is very useful and we use this every alternate...