System Administration on SystemsGolivehttps://systemsgolive.com/categories/system-administration/Recent content in System Administration on SystemsGoliveHugo -- gohugo.ioen© 2026 systemsgolive.com and Mickael Asghar. All rights reserved.Tue, 03 Mar 2026 14:30:34 +0000LDAP Service Failure After VM Snapshot – Configuration Mismatch Resolutionhttps://systemsgolive.com/post/fixing-ldap-after-vm-snapshot/Tue, 03 Mar 2026 14:30:34 +0000https://systemsgolive.com/post/fixing-ldap-after-vm-snapshot/ Resolving an OpenLDAP service failure on a VM snapshot — fixing hostname identity mismatches, loopback address issues, olcServerID with CRC32 recalculation, and removing leftover replication config from the source server.SELinux Context Mismatch: The Hidden Culprit in LDAP Certificate Renewalhttps://systemsgolive.com/post/ldap-cert-renewal-selinux-context-issue/Wed, 28 Jan 2026 11:54:16 +0000https://systemsgolive.com/post/ldap-cert-renewal-selinux-context-issue/ An internal LDAP certificate renewal failed due to incorrect SELinux contexts on transferred certificate files. Despite correct permissions and ownership, OpenLDAP couldn't initialise TLS. Using `restorecon` to fix the security context resolved the issue immediately, highlighting the importance of SELinux context verification in certificate deployments.