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platform and programming

Mastering Linux Administration
Linux

Mastering Linux Administration

A comprehensive guide to installing, configuring, and maintaining Linux systems in the modern data center. Coming soon from Packt Publishing!

Julian Balog May 19, 2021 • 1 min read
Bash Magic - Word Frequency
Bash

Bash Magic - Word Frequency

Calculating the frequency of each word in a regular text file using Bash

Julian Balog Apr 20, 2020 • 1 min read
Limit SSH Access on Linux
Linux

Limit SSH Access on Linux

Allow or deny SSH? You may want to provide a secure and limited SSH access to your public hosts, using SSH keys. Here's a simple a way to do it.

Julian Balog Feb 1, 2019 • 3 min read
Secure FTP with Linux
Linux

Secure FTP with Linux

Secure FTP communication with your Linux host. These instructions apply for Ubuntu 18.04 and can easily be adapted for a vast majority of Linux platforms.

Julian Balog Jan 26, 2019 • 2 min read
Multiple Java Versions
Java

Multiple Java Versions

If you use multiple versions of Java in your development environment, perhaps you wished there was a better way to switch from one to the other, instead of remembering to set the JAVA_HOME environment variable.

Julian Balog Dec 15, 2018 • 2 min read
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