How to stop NetworkManager service to modify resolv.conf file ?
Today we will see one of the most common issue that after rebooting system our resolv.conf file is getting updated everytime and our DNS client configuration is removed. Let us...
Tag: manager
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Steps to remove clone from Veritas Volume Diskgroup ?
Today lets see the correct procedure to remove clone in Veritas VxVM Diskgroup. ### Display the snapshot volume. # vxsnap -g diskgroup dis snapshot_volume ### Stop the snapshot volume #...
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How to reset or cleanup the device tree on an AIX server?
Today in this post, we will see how to reset or clean up the device tree on an AIX server. Please note you may need to run the procedure at...
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How to download redhat rpms from redhat support ?
Today we will look at an interesting article to know how we can download the redhat RPM packages from Redhat Support. 1. Goto http://support.redhat.com and login into the portal. Then...
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How to rebuild RPM DB on Linux ?
Today we will see an interesting article how to rebuild RPM DB on Linux. RPM DB corruption is one of the most common issues in Linux server environments. And this...
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LVM Solutions: How to change a faulty hard drive in Redhat/Centos Linux on production server ?
Today we will look at an interesting article how to change a faulty drive on our Linux server deployed in production. There are two approaches to achieve this: First Approach...
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Part 4: Docker Machine, Swarm Introduction and implementation
1. Introduction Docker Swarm is an Orchestration tool(like kubernetes, or Apache Mesos.) to automate the administration of docker machines which in turn consists of containers & images. Docker Machine:- Sets...
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Difference between bonding and teaming in Linux ?
In this post, we will look at the differences between teaming and bonding implementation in Linux. Teaming driver is introduced with RHEL 7 and is considered before bonding. Let us...
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How to do system update, patching, its rollback in RHEL or Centos ?
In this post, we will look how to perform RHEL or CentOS system update, package update, and how to rollback the changes. We will cover below scenarios: 1. Package update...