- Expertise in Linux system installation, configuration, administration, scheduling backup, troubleshooting, monitoring and alerting setup and security hardening.
- Experience in the support of fundamental technologies such as DNS, SFTP and FTP, SMTP, POP3, IMAP, SSL, SSH, TCP/IP, UDP, RAID, BOOTP, DHCP, HTTP, IPTABLES etc.
- Experience in setup and manage effective backup, cron jobs, server scan, server disk. Mail queue management, managing users and permissions, Log file analysis, apache/mysql/dns/exim process management and load monitoring.
- Install and maintain security patches on the operational system
- Monitor and tune Linux systems to achieve optimum performance levels.
- Mount/unmount hard drive, swap space, /tmp drive.
- Application installation/update like ffmpeg, imagick, x264, kernel modules, memcache, php extensions, Git, Subversions, rvsitebuilder, rvskin, cxs, RKHunter, CSF, Wordpress, Magento, Joomla etc.