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A UNIX/Linux blog containing most of the Linux/Unix resources & articles and providing new generation of Linux Operating Environment for download and use.
By Saket Jain / June 15, 2025
In linux, we can't reduce the XFS filesystem in general. And to reduce any partition, we need to take backup...
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How to disable/enable multi threading from OS in Linux ?
By Saket Jain / June 14, 2025
Today in this article, we will see how to disable or enable CPU multi threading from OS in Linux. 1....
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How to increase DefaultTasksMax in RHEL/CentOS 8 onwards ?
By Saket Jain / June 14, 2025
Let us see how to increase the DefaultTasksMax in RHEL, or CentOS 8 Operating system onwards. The default maximum tasks...
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How to enable NTP in timedatectl in rhel 7 onwards ?
By Saket Jain / June 14, 2025
Today we will see how to enable NTP in RHEL 7 onwards. Lets see it step by step. 1. Check...
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How to download only RPM with dependencies using yum ?
By Saket Jain / June 14, 2025
In this article, we will see how to download rpm packages with dependencies using yum. The trick is very useful...
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Easy way: To Find difference between two text files in Linux.
By Saket Jain / June 14, 2025
To find the differences between two files in Linux using grep, we can use the following approaches. 1. Lines in...
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How to change core dump path to current dir in RHEL 8+ onwards and test it ?
By Saket Jain / May 21, 2025
From RHEL 8 onwards, the default core file path is changed to /var/lib/systemd/coredump unlike till RHEL 7 where its saved...
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How to restrict direct root user password login on Linux ?
By Saket Jain / December 27, 2024
In this post, we will see how to restrict direct root login via password, and only allow login via keys....
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Solved: Public key for rpm is not installed
By Saket Jain / December 27, 2024
Today we will see one of the general error message and its quick solution, to overcome this. I. Error Message...
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How to set timezone on RHEL Linux Host from RHEL 7 onwards ?
By Saket Jain / February 22, 2024
Lets see how to set timezone on Redhat Linux from RHEL 7 onwards. Earlier we used to link the timezone...
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How to enable NTP in timedatectl in rhel 7 onwards ?
How to download only RPM with dependencies using yum ?
Easy way: To Find difference between two text files in Linux.
How to change core dump path to current dir in RHEL 8+ onwards and test it ?
How to restrict direct root user password login on Linux ?
Solved: Public key for rpm is not installed
How to set timezone on RHEL Linux Host from RHEL 7 onwards ?
Solved: root is not allowed to run sudo on ngelinux. This incident will be reported.
How to reinstall an installed package using YUM/DNF in linux ?
How to remove a directory “-p” in Linux ?
Solved: ERROR: Could not create or update ‘/usr/local/nagios/var/nagios.configtest’
How to extract private key- encrypted or decrypted from PFX certificate file ?
Solved: Nagios: qh: Failed to init socket ‘/usr/local/nagios/var/rw/nagios.qh’. bind() failed:
Solved: ndo2db: Could not bind socket: Address already in use.
Solved: cannot find -lboost_system-mt.
How to stop NetworkManager service to modify resolv.conf file ?
Solved: SWEET32 Issue, CVE-2016-2183. Check TLS1.0 and disable it in Configuration on Linux.
How to see if hyper threading or Multi threading is enabled on Linux or not from OS perspective ?
Solved: Determine which password-hash support is available on Linux.
Configure NFS v4 only server in RHEL/Centos 8. Is it possible on RHEL 6 and RHEL 7 ?
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