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Ubuntu Server Essentials by Abdelmonam Kouka

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Performing essential system administration tasks

In this section, we will explore a useful set of Ubuntu Server administration tasks such as monitoring and processes management.

Monitoring resources

For a system administrator, monitoring tasks are the most important because they allow us to keep our system robust and prevent incidents. The Ubuntu Server has a powerful set of monitoring tools that cover CPU usage, hard disks, virtual memory, and so on.

Some tools come with Ubuntu straight out of the box, while others need to be installed. The sysstat package contains some of them. You need to install it by using the command:

sudo apt-get install sysstat

One of the most important resources that an Ubuntu Server administrator should permanently monitor ...

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