Introduction How to Back Up MariaDB with mysqldump on Debian 13 is a fundamental operation for any administrator maintaining a Debian 13 Trixie server. Debian 13 Trixie ships with the Linux 6.12 kernel, updated toolchains, and a fully refreshed package archive — meaning version numbers, configuration file paths, and some dependency chains differ from Debian […]
Kerberos is a network authentication protocol that uses symmetric-key cryptography and a trusted third party — the Key Distribution Center (KDC) — to authenticate users and services without transmitting passwords over the network. RHEL 9 ships the MIT Kerberos implementation and it integrates tightly with SSH, NFS, and other network services through GSSAPI. This tutorial […]
OpenLDAP is the most widely deployed open-source LDAP directory server and is commonly used for centralised identity management across Linux systems. On RHEL 9, OpenLDAP server packages are available directly from the base repositories, providing a standards-compliant LDAPv3 directory that integrates with SSSD for system authentication. This tutorial covers installing OpenLDAP, configuring the directory database, […]
Introduction Debian 13 Trixie is built around the ethos of stability and free software. Setting up set up mysql master-replica replication on Trixie leverages the same proven Debian packaging system that powers millions of servers worldwide, while benefiting from the latest upstream releases included in the Trixie freeze. Follow each step carefully and the resulting […]
Introduction Debian 13 Trixie is built around the ethos of stability and free software. Setting up configure remote access for mariadb on Trixie leverages the same proven Debian packaging system that powers millions of servers worldwide, while benefiting from the latest upstream releases included in the Trixie freeze. Follow each step carefully and the resulting […]
Introduction Deploying secure mariadb on a Debian 13 Trixie machine is straightforward thanks to Debian’s policy-compliant packaging. Unlike rpm-based distributions, Debian stores configuration helpers in /etc/default/, uses update-rc.d for older init scripts, and provides dpkg-reconfigure for interactive package configuration. This tutorial stays on the systemd path throughout. Prerequisites Before you begin, ensure you have a […]
Introduction How to Install MySQL 8.4 on Debian 13 is a fundamental operation for any administrator maintaining a Debian 13 Trixie server. Debian 13 Trixie ships with the Linux 6.12 kernel, updated toolchains, and a fully refreshed package archive — meaning version numbers, configuration file paths, and some dependency chains differ from Debian 12. This […]
Keepalived implements the Virtual Router Redundancy Protocol (VRRP) on Linux, allowing two or more servers to share a single virtual IP address (VIP). If the master server fails, the backup server automatically claims the VIP within seconds, providing high availability with no changes required on clients or DNS. On RHEL 9, Keepalived integrates cleanly with […]
Introduction How to Install MariaDB 11 on Debian 13 is a fundamental operation for any administrator maintaining a Debian 13 Trixie server. Debian 13 Trixie ships with the Linux 6.12 kernel, updated toolchains, and a fully refreshed package archive — meaning version numbers, configuration file paths, and some dependency chains differ from Debian 12. This […]
Standard Linux memory pages are 4 KB, and the kernel must maintain a Translation Lookaside Buffer (TLB) entry for each mapped page. Database systems that manage large shared memory segments — such as PostgreSQL’s shared_buffers, Oracle’s SGA, or MySQL’s InnoDB buffer pool — can create millions of TLB entries, causing frequent TLB misses that significantly […]
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