How to get console IP details from linux server via IPMI ?
In this article, we will see how to get the console IP details from server using IPMI. Lets see how to do this step by step. 1. Login to shell...
Month: June 2022
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Solved: bind_ldap_simple: lookup(ldap): Unable to bind to the LDAP server: (default), error Can’t contact LDAP server.
In this article, we will see an interesting issue where the ldap is not able to get one of the automount map. However ldap is working with authentication, and able...
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Why we are not able to change open files to unlimited in Linux ?
In this post, we will see an interesting thing when we are not able to change the open files to unlimited in Linux. I. Error Message [root@ngelinux001 ~]# ulimit -n...
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How to install dnsperf on RHEL 6/Centos 6 and use this to test DNS server ?
In this article, we will see how to install dnsperf tool on RHEL/CentOS 6. And how to use it to test DNS server performance. 1. Download the RPM package. [root@ngelinux001...
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Solved: sudo taking a lot of time, system responding very slow.
I have recently faced an issue when the system started responding very slowly and when we run any command with sudo it runs damn slow. So to resolve this i...
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How to change swappiness on a linux server ?
Swappiness is a feature in linux which tells the system kernel how much data to be swapped, or to be moved into swap memory and back to main memory. The...
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How to clear system page and buffer cache daily on linux server ?
In this article, we will see how to clear the system page and buffer cache daily on our linux system. So the idea is to create a script and put...
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Installing dnsperf tool on RHEL or CentOS 7.
Today in this post, we will see how to install dnsperf on RHEL or CentOS 7. The easy and quick way is to do via snapd. Lets see the steps...