Grub Parameter File : /boot/grub2/grubenv # GRUB Environment Block saved_entry=82c1b57e69f343e28fe48516f70a9866-4.18.0-193.28.1.el8_2.x86_64 kernelopts=root=/dev/mapper/cl-root ro console=ttyS0,115200n8 no_timer_nvme_core.io_timeout=4294967295 nvme_core.max_retries=10 crashkernel=auto resume=/dev/mapper/cl-swap rd.lvm.lv=cl/root rd.lvm.lv=cl/swap boot_success=0 boot_indeterminate=0 ON BIOS (Basic Input/Output System) Systems : /boot/grub2/grub.cfg On Systems with UEFI (Unified Extensible Firmware Interface) : /boot/efi/EFI/centos/grub.cfg OR /boot/efi/EFI/rhel/grub.cfg To Generate Grub config file : grub2-mkconfig -o /boot/efi/EFI/centos/grub.cfg
Category: Operating System
Operating System
CentOS 6 to 7 Upgrade
IMPORTANT NOTE: Before doing the upgrade make sure the following done. Disable SElinux Remove unnecessary repositories mkdir /etc/yum.repos.d/backups mv /etc/yum.repos.d/Centos* /etc/yum.repos.d/backups Take a recent backup if required 1. Update your system to latest Centos 6 version – yum upgrade -y 2. Reboot your system – reboot cat /etc/redhat-release CentOS release 6.10 (Final) uname -r 2.6.32-754.23.1.el6.x86_64…