GRUB2 | GoLinuxCloud

5 easy steps to blacklist kernel module in CentOS RHEL 7 8

May 27, 2020April 21, 2020 by admin

In this article I will shares the steps to disable kernel module and also blacklist kernel module in RHEL/CentOS 7 and 8 Linux. You can disable kernel module runtime using "modprobe -r <module_name>" and to ...

Solved: Error populating transaction, retrying RHEL/CentOS 7/8

February 26, 2020February 25, 2020 by admin

Trying to install RHEL/CentOS 7/8 using a customized repository? Now this repository can be from a customized ISO or directory. We see this error "Error populating transaction, retrying" while installing RHEL/CentOS 7/8 if necessary rpm ...

How to boot into single user mode in RHEL/CentOS 7/8 Linux

January 6, 2020 by admin

How to boot in single user mode in linux. Boot into rescue mode or emergency mode in Red Hat 7/8 Linux. Difference between rescue.target and emergency.target in Linux. How to boot into the emergency target ...

How to enable SSH access & configure network in rescue mode (CentOS/RHEL 7/8)

April 7, 2020October 10, 2019 by admin

Steps to enable SSH access in linux rescue mode and configure network in rescue mode in RHEL/CentOS 7/8 with example transfer sosreport file inst.sshd=1

2 ways to update and rebuild initrd image in CentOS/RHEL 7 and 8

January 25, 2020September 13, 2019 by admin

How do I unpack or uncompress, and then repack or re-compress, an initrd or initramfs boot image file? How do I modify the contents of an initrd or initramfs? How do I view an initrd ...

2 ways to boot with old kernel version in RHEL 8 using grubby

September 18, 2020August 6, 2019 by admin

How to set default boot kernel in RHEL 8 Linux using Grubby? How to change the default boot entry for kernel in RHEL 8? How to boot with old kernel version in RHEL 8? How ...

How to update GRUB2 using grub2-editenv and grubby in RHEL 8 Linux

August 16, 2020July 14, 2019 by admin

The boot loader Grand Unified Boot Loader (GRUB2) in RHEL 8 differs from the GRUB2 in RHEL 7. In this article I will share different commands to update GRUB2 and set kernel command line argument ...

How to set default boot kernel on Linux ( CentOS / RHEL 7 )

October 26, 2019December 21, 2018 by admin

How to set default boot kernel in linux? How to change the default boot entry for kernel ? How to boot with old kernel version ? How to revert to previous kernel version ? ...