MariaDB GTID Replication on AlmaLinux 10: Primary and Replica Setup
Set up MariaDB primary/replica replication with GTID on AlmaLinux 10: seed the replica with mariadb-backup, start replication, monitor it, switch over and fix common errors.
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Backup MySQL on Linux
Backup MySQL on Linux Backup MySQL on Linux Backing up MySQL databases on Linux can be relatively easy once you get the hang of it.. issue the following command: mysqldump…
Solaris Serial Console Access: ILOM, tip, cu, TERM and stty
How to reach and configure the Solaris 10 and 11 console over serial: ILOM /HOST/console, LDoms vntsd, tip and cu escapes, eeprom and bootadm console settings, TERM and stty fixes.
Configure Postfix Mail Server CentOS/RedHat
Set up Postfix on CentOS/RHEL as an internal mailhub and outbound gateway: inet_interfaces, mynetworks, STARTTLS with a self-signed cert, and testing.
Configure Postfix RelayHost CentOS/RedHat
Send all mail from a CentOS/RHEL server through your internal mail server with the Postfix relayhost setting, then test with mailx, mailq and the maillog.
MariaDB and MySQL Backups on AlmaLinux 10: mysqldump, mariadb-backup and Point-in-Time Recovery
Back up MariaDB/MySQL on AlmaLinux 10 with mariadb-dump and mariadb-backup, automate it with a systemd timer, and restore fully, per database or to a point in time.
Update Fedora Linux
Update Fedora Linux Update Fedora Linux Updating Fedora Linux can be as easy as a simple command, login and su to root do yum update This will retrieve a list…
Solaris Hostname, Time Zone, Locale and Keyboard: sysidcfg, sysconfig and svccfg
How to set the host name, time zone, system locale and keyboard layout on Solaris 10 (files and sysidcfg) and Solaris 11.4 (SMF properties, svccfg and sysconfig).
Configure AutoMount CentOS 7
Configure AutoMount CentOS 7 Configure AutoMount CentOS 7 If you use 389 or another type of LDAP, I would encourage you to use this article: 389-directory-serverldap-with-automount Automount automatically mounts remote…
MariaDB and MySQL Users, Grants and Remote Access on AlmaLinux 10
Create MariaDB/MySQL admin and least-privilege application accounts, use GRANT, REVOKE and roles, and open AlmaLinux 10 to an application subnet safely.