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DatabasesInstall Redis on Ubuntu 22.04 or 24.04 and harden it properly: strong password, localhost binding, systemd supervision, renamed dangerous commands and firewall rules.
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DatabasesInstall PostgreSQL 18 on Ubuntu 24.04 or 22.04 from the official PGDG repository. This step-by-step guide covers repository setup, securing the server, creating users and databases, safe remote access, and fixes for common errors.
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DatabasesMySQL 8.0 is end of life. This step-by-step guide installs the supported MySQL 8.4 LTS on Ubuntu 24.04 using Oracle's official APT repository, then hardens and verifies it.
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