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Tag: centos

Stuff, that helped me to add IP-subnet to KVM host

Posted on November 12, 2021

I had a server, that run Centos8 and had several KVM-virtualized machnies. Most of virtual servers had dedicated IPs and when one customer wanted to […]

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Linux, Security

Extending XFS root partition on KVM VPS on Centos

Posted on November 4, 2021

Practical steps for resizing root partition for KVM VPS. Our host runs Centos 8, but VPS itself has Centos 7 (with cPanel, but that does […]

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Linux, Security

Migrating from Centos to Debian

Posted on March 3, 2021

Little introduction Frustrated as most of you, who has been with CentOS for many years, I have decided to head to Debian. This page will […]

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apache, Linux, MySQL, Security

Compile PHP7.4 on Centos6

Posted on February 9, 2021

There are reasons, when you need to compile PHP yourself. I would personally always prefer that way, as it lets you have more control and […]

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Linux, PHP

How to manage firewall on Centos7 with firewall-cmd

Posted on November 9, 2018

Centos7 is a great server OS. There are bunch of other sites, which describe how to manage firewall rules, here I am just gathering those, […]

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Security

How to find biggest subfolder

Posted on October 27, 2015

This little command will give you list of folders, sorted by their size: du -sk * | sort -nr | more

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Linux

How to flush RAM on Linux / Centos

Posted on October 27, 2015

I personally suggest using first option, other are more and more “hardcore”. Also I would not suggest doing this under high CPU load or high […]

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Linux

Fix corrupt RPM database on CentOS

Posted on October 23, 2015

Sometimes, e.g. when your partition gets full during update or other server hangs during update your RPM database might get corrupted and updates with yum […]

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Linux

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