Trick to resolve High memory issue on Linux or Unix Server.
Today we will see a trick to resolve high memory issues on a linux or unix server. We will set few kernel parameters to optimize the memory usage on server....
Tag: sysctl
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Solved: [error] Unable to obtain semaphore.
Today we will see an interesting article how to resolve below error. I. Error Details [root@ngelinux001 conf.d]# service httpd start Starting httpd: [Wed May 18 23:41:31 2022] [notice] suEXEC mechanism...
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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 perform temporary and permanent kernel parameter tuning in linux ?
In this post, we will look how to tune/change Linux kernel parameters temporarily or permanent. To change/verify the parameters we will use sysctl command. From its man page, we can...