Linux Advanced for SysAdmin: Become a proficient system administrator to manage networks, database...
Ryan JuanWe then move to explore iptables and firewalld, configure firewalls, implement AppArmor, and perform security audits with Lynis. The chapter also covers monitoring system logs for security breaches and using intrusion detection systems like Snort. Then, the chapter on Database Management demonstrates to work with databases in Linux, including installing and configuring PostgreSQL, designing databases, performing migrations, and securing database systems. This chapter equips you with the skills to manage database operations efficiently. The next chapter teaches you to monitor CPU and memory usage, track network performance, and analyze system logs using tools like Nagios and Zabbix. You will also learn to set up alerts and notifications to maintain optimal system performance.
Later, we focus on automating routine tasks using shell scripting, cron, anacron, awk, and sed. You will learn to write scripts for system audits, resource management, and backup and recovery. Finally, the book covers large-scale deployments, Kubernetes, cluster management, load balancing, and kernel customization.
Key Learnings
Get the most out of AppArmor, firewalld, and iptables to boost up security.
Take advantage of Nagios, Zabbix, and Wireshark to keep your systems and networks running smoothly.
Get PostgreSQL up and running, migrate databases, and
…