Rasal Mail Host

Linux Server Administrator

itsheba24

Jan 2023 - Present • 3 yrs 4 mos

Currently managing and maintaining Linux-based production and staging servers (Ubuntu, CentOS). Key responsibilities include: • Provisioning and managing Linux servers (Ubuntu, CentOS, AlmaLinux) on VPS and dedicated environments • Deploying and optimizing LAMP/LEMP stacks (Apache, Nginx, MySQL/MariaDB, PHP-FPM) • Advanced server hardening (SSH key-based authentication, custom SSH ports, Fail2Ban, CSF/UFW firewall, SELinux) • SSL/TLS implementation and auto-renewal using Let’s Encrypt & Certbot • Performance tuning (MySQL optimization, PHP OPcache, Redis caching, gzip, system resource tuning) • Backup automation using Bash scripting, cron jobs, rsync, and disaster recovery planning • DNS management (BIND/Cloudflare), domain configuration, and email authentication (SPF, DKIM, DMARC, rDNS) • cPanel/WHM installation, migration, account management, and troubleshooting • Log analysis and debugging (Apache/Nginx logs, MySQL logs, systemd, journalctl) • Regular patch management, vulnerability scanning, and malware removal to ensure server integrity and uptime