Encrypt Files CentOS Linux
Encrypt Files CentOS Linux Encrypt Files CentOS Linux One way to protect sensitive information on Linux, usually in the example of removable media, tape, flash drive, or removable hard drive…
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Configure Multipath on CentOS, Oracle,Redhat Linux
Configure Multipath on CentOS, Oracle,Redhat Linux Configure Multipath on CentOS,Oracle,Redhat Linux This is usually referred to as DM Mulipath. This provides Multiple paths to the same network resource, most commonly…
Oracle RAC Private Interconnect: Redundant Interconnect Usage (HAIP) vs OS Bonding
How HAIP (Redundant Interconnect Usage) and Linux bonding protect the Oracle RAC private interconnect on Oracle Linux 9: choosing one, setup, oifcfg and gv$cluster_interconnects checks, failover tests and switching between them.
Configure CUPS Printing on CentOS
Configure CUPS Printing on CentOS Configure CUPS Printing on CentOS when you need to setup a CentOS Linux print server, CUPS (Common UNIX Printing System)to the rescue! login to your server, and su…
PostgreSQL Performance Tuning on AlmaLinux 10: postgresql.conf, EXPLAIN ANALYZE, Indexes and Autovacuum
Tune PostgreSQL 18 on AlmaLinux 10: size shared_buffers, work_mem and WAL settings, enable pg_stat_statements, read EXPLAIN ANALYZE plans, add the right indexes and keep autovacuum ahead of the workload.
Network Bonding for Oracle RAC on Oracle Linux 9: Active-Backup vs LACP (802.3ad) with nmcli
Build a bonded public network for Oracle RAC on Oracle Linux 9 with nmcli: active-backup vs 802.3ad LACP, bond options, failover testing, oifcfg and troubleshooting.
Zimbra Community Mailbox Size CentOS 6
Zimbra Community Mailbox Size CentOS 6 Zimbra Community Mailbox Size CentOS 6 To find the mailbox size of an individual user for Zimbra, you have to be logged into Zimbra…
PostgreSQL Streaming Replication on AlmaLinux 10: Primary/Standby Setup, Switchover and Failover
Set up PostgreSQL 18 streaming replication on AlmaLinux 10 with a replication slot, verify it, then perform a switchover, an unplanned failover and rejoin the old primary with pg_rewind.
Prepare Oracle Linux 9 for Oracle Grid Infrastructure and RAC: Preinstall, Users, Limits, HugePages and chrony
Prepare Oracle Linux 9 nodes for Oracle Grid Infrastructure and RAC 19c: oracle-database-preinstall-19c, grid user and ASM groups, limits, HugePages, THP, chrony, RemoveIPC and firewall.
Configure LDAP group for SUDO CentOS 6
Configure LDAP group for SUDO CentOS 6 Configure LDAP group for LOCAL SUDO CentOS 6 ** THERE IS A BETTER WAY TO DO THIS THAT YOU SHOULD CONSIDER** 389 Sudo…