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[Real-world questions and topics]

How to Check MySQL Database Size in Linux

Tutorial MySQL – Check the size of all Databases First, access the MySQL command-line (replace “root” by your mysql username) : Run this command to check the size of all the mySQL Database Size in MB : Here is the command outpout : In our …

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Personal Privacy and Security Tips

As a professionnal system administrator, I have the highest level of access possible. Because I have this level of access someone could try to hack me or might threaten me to get some information I have access to. I don’t want to discuss my threat …

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What’s the best Linux distro for you?

First, let’s clarify something: Linux is not an operating system! Linux is a kernel, to get an operating system, you need to choose a distrubution which will pack Linux as the kernel. There’s also other Unix-like operating systems which will pack BSD as the kernel …

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How to Delete Certbot Certificate by Domain Name (Let’s Encrypt)

First, list your certificates by running this command : Here’s an immediate way to delete a Certbot certificate by including the domain name in the command like this: To avoid problems, you should also delete the Apache configuration associated with this certificate, here’s an exemple …

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How to update GLPI to latest version (2020)

Note As for every update process, you have to backup some data before processing any upgrade: backup your database; backup your files directory; backup your configuration. I will provide you with the information to update GLPI to the latest version. In this exemple, I will …

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