How to disable or enable ipv6 in Linux
In another article I have shared step by step guide to configure IPv6 in Linux with examples and in this article I will share the steps to disable and enable ipv6 in Red Hat Enterprise
Linux
How to blacklist or disable USB module in Red Hat 7
To improve security in our environment many times we have to blacklist certain modules from getting loaded in our setup to avoid any security leak. The provided procedure is tested with Red Hat Enterprise Linux
How to perform interactive kickstart installation on Red Hat
Kickstart is used to perform an automated installation where no manual intervention would be needed but there are times when we want the end user to fill in some needed details for eg keyboard type,
Why is sudo command asking for root password in RHEL/CentOs 6 / RHEL/CentOS 7?
Follow the below link to get an overview of the syntax used in the sudoers file Understanding Syntax, Aliases, Variables used in sudoers file with examples In this blog I will try to keep my
How to perform disk replacement (software raid 1) in Linux (mdadm replace failed drive)
Ideally with RAID 1, RAID 5, etc once can easily do a hot HDD swap as they support mirroring at the hardware level but to do the same on a software raid 1 becomes tricky
Collect Virtual Connect Support Dump of HP c-Class Blade Enclosures
In my last article I showed the steps needed to collect Onboard Administrator and Virtual Connect Show All report. In this article I will show you the steps to collect Virtual Connect Support Dump from
How to collect/generate "Show All" report for HP c-Class Blade Enclosures
There are multiple methods to generate "SHOW ALL" report of Onboard Administrator and Virtual Connect of a HP C-Class Enclosure. A Show All report would be the first thing requested by HPE engineers to debug
How to forcefully stop and kill a process in Linux
There are times when a process hangs or is responding very late when you feel like killing the process. The ultimate solution is to find the process id of the respective process and kill the