A Linux-administrator wears a lot of hats, and the smaller your environment, the more hats you have. Linux management includes backups, file recovery, disaster recovery, new system releases, hardware maintenance, automation, user maintenance, home file-systems, application configuration and conformation, system security and storage management. System management is involved in almost every aspect of managing the hardware and software of physical and virtual systems.Strangely, you also need a large knowledge base of network settings, virtualization, interoperability, and even Windows operating systems. The Linux system-administrator must have technical knowledge of all aspects of network security, firewalls, databases, and the work network.
However, the reason is that, above all, Linux-Admin, you are part of a larger support team that often has to work together to solve complex problems. Security, in one form or another, is at the heart of the problems that the support team faces. The user may not have the correct access or approach too much. Daemons may not have the correct permissions to write the log file. No firewall exceptions were saved while performing the network configuration. There are hundreds of failures online, and it is your job to help you find and correct them.Linux management also needs to follow best practices, learn new software, maintain patches, read and follow security announcements, and apply hardware updates. On the other hand, Linux certification pathand training day is very full of perks. In fact, it never ends, but you have to choose the time to stop the commercialism.
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