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. ...
Tag: panic
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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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Meaning of the value stored in /proc/sys/kernel/panic file ?
Today we will look at an interesting topic to understand the meaning of value stored in /proc/sys/kernel/panic file. I. File Path /proc/sys/kernel/panic II. Meaning The value stored in this file...
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Configure OOM Killer in Linux.
1. OOM Killer Introduction OOM(Out of Memory) killer is a process which is called by our system kernel when linux system memory is critically low to recover some memory/RAM. OOM...
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How to setup kdump in Linux to collect crash dump ?
Kdump also known as Kernel dump i.e. the contents of our system memory when our kernel was crashed. Kdump is configured and collected when we want to debug why our...
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How to solve error: linux/module.h: No such file or directory in C ?
Sometimes when we execute a C program, we face an error message “No such file or directory” when the system is not able to find any header file. 1. Error...