CentOS Linux 8 EOL: Restore Repositories and Plan Migration
Understand CentOS Linux 8 end of life, use the official vault only for recovery, and plan a supported migration instead of switching to Stream 8.
Join RHEL to Active Directory with realmd and SSSD
Join a supported RHEL server to Active Directory using realmd and SSSD, with DNS, time, identity mapping, login checks and access controls.
Read Offline Windows Event Logs from WinRE
Find the Windows volume in WinRE and read offline EVTX files with wevtutil, including BitLocker checks, filtering and copying logs for analysis.
Troubleshoot Low-UID Login Failures on RHEL
Diagnose RHEL logins for users with UIDs below 1000, separating SSSD lookup, access policy and PAM classification without editing generated files.
Grow an LVM Logical Volume with Ansible on RHEL
Use Ansible to expand an existing RHEL LVM partition and logical volume with explicit sizing, PV resizing and safeguards against shrinking.
Reset a Forgotten Root Password on RHEL 8 or 9
Reset a lost RHEL root password through GRUB and rd.break, remount sysroot, relabel SELinux files and verify recovery after reboot.
Extend an LVM Partition and Filesystem on RHEL
Grow an existing RHEL LVM partition, physical volume, logical volume and filesystem, with checks for free space, device names and recovery.