Articles by Deepak Prasad
2 ways to boot with old kernel version in RHEL 8 using grubby
Steps to set default boot kernel in RHEL 8 using grubby and boot with old kernel version. Check the kernel version which will get activated after reboot
How to install EPEL repo in RHEL 8 Linux
Steps to install EPEL repo in RHEL 8 or CentsOS 8. How to Fix "Failed to synchronize cache for repo 'epel', ignoring this repo" error in EPEL
Permanently disable transparent hugepages CentOS RHEL 8
Step-by-Step instructions to disable transparent hugepages GRUB2 using grub2-editenv in RHEL/CentOS 8 Linux. Check transparent huge pages status (AnonHugePages) …
How to capture serial console dump from HPE iLO4 using VSP (with screenshots)
In this article I will share the steps to capture serial console dump from iLO4 using VSP with screenshots which can help you troubleshoot RSOD issue in BIOS
3 easy steps to configure hugepages in RHEL/CentOS 7/8
Step-by-Step Tutorial to configure hugepages in red hat and centos 7/8 linux using vm nr_hugepages in /etc/sysctl.conf. Also configure hugepages pool using …
How to check Transparent HugePage status in Linux?
Steps to check transparent hugepage status with examples for AnonHugePages and Explicit hugepage (nr_hugepages) if they are enabled or disabled in RHEL/CentOS 7 …
Check if CPU supports HugePages & change default hugepage size in RHEL
Learn how to check if CPU supports HugePages with 2MB and 1GB Size in CentOS/RHEl 7 Linux and change default hugepage size permanently using GRUB2 with examples …
How to check Transparent HugePage usage per process in Linux with examples
Steps to check transparent hugepage usage per process in Linux with examples. Calculate Transparent HugePage (AnonHugePages) system wide processes in Linux
Configure Thin Provision LVM using kickstart with example in CentOS/RHEL 7/8
Configure thin provision lvm using kickstart and PXE server in CentOS/RHEL 7 and 8 Linux with examples. Define custom chunksize and metadata to create thinpool
How to generate sosreport in rescue mode on Software RAID (RHEL/CentOS 7)
How to generate sosreport in rescue mode linux. Fix sosreport command not found. Boot using RHEL/CentOS DVD to rescue mode in linux with software raid linux
How to suppress sysctl: reading key net.ipv6.conf.all.stable_secret in Linux
Steps to suppress sysctl: reading key "net.ipv6.conf.all.stable_secret" message while running sysctl -a to grep a value from STDOUT with example in Linux
How to update GRUB2 using grub2-editenv and grubby in RHEL 8 Linux
Set and Modify kernel command line arguments, update GRUB2 in RHEL 8 using grub2-editenv, grubby and grub2-mkconfig with examples to disabled IPv6 RHEL 8 Linux
Add Linux to Windows Domain using realm (CentOS/RHEL 7/8)
Step by step guide to add linux to windows Domain (Active Directory) using Realm tool on RHEL/CentOS 7/8. Join linux to windows domain. sssd active directory …
How to set up proxy for yum repository in Linux?
I will share examples to set up proxy for yum repository in Linux. Modify yum.conf or /etc/yum.repos.d to set proxy for yum repositories.
Set up proxy using http_proxy & https_proxy environment variable in Linux?
How to set up proxy on Linux using http_proxy and https_proxy environment variable. Export the variables or set using /etc/environment and /etc/profile.d script …