Tagged: linux

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How to Monitor Network Traffic on Linux Using vnStat

Developers and sysadmins may need to monitor various network parameters, such as bandwidth consumption and the traffic flowing in/out. There are many tools available for this purpose, one of them being vnStat. It is...

A Guide to the Linux “Top” Command

The top command allows users to monitor processes and system resource usage on Linux. It is one of the most useful tools in a sysadmin’s toolbox, and it comes pre-installed on every distribution. Unlike...

Managing Your Linux Server with Webmin

Managing Linux servers can be very difficult at times. It can be very hard for someone who doesn’t have a lot of experience with the command-line tools. In addition, it’s also difficult for administrators...

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How to Host a Website with the Caddy Web Server on Linux

Caddy is a new web server that’s extremely easy to configure and use. It provides HTTP/2 support, built-in integration with Let’s Encrypt and an intuitive configuration syntax. In addition, you can add various plugins...

Customizing and coloring the bash prompt

If you’re already not familiar with bash, the prompt is the little blurb of text displayed when it asks for a command. It capable of communicating a lot, but most people don’t use it...

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Protecting SSH with Fail2ban

SSH allows you to log in to a remote computer or server and control it through a command-line interface. However, because SSH is exposed to the internet; attackers can try to log in by...

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Blocking bad bots with Fail2ban

Fail2ban is a versatile security tool. While it is primarily used for preventing brute-force attacks against SSH, it can also be used for protecting other services. There are bots which go around scanning the...