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Select Biggest MySQL tables

ERROR: can not find RHNS CA file


Debug PHP spam mails

Apache reverse SSL proxy

In http conf you can use: ServerName SSLEngine On SSLCertificateFile cert.crt SSLCertificateKeyFile key.key SSLCACertificateFile bundle.cabundle ProxyPass / http://where_to_redirect/ flushpackets=on ProxyPassReverse / http://where_to_redirect/

Avoid brute force for wordpress

Not only it poses a security risk by hackers/bots trying to break into your wordpress install but also for a system admin it’s a nightmare because it may increase the server load. A solution would be to install a wordpress … Continue reading

http/2 apache centos7

1. Using epel test repository you can install nghttp2 and libnghttp2-devel libraries. 2. then get and compile openssl using

3. create symlinks in


4. because for now cpanel doesn’t allow mod_http2 and ignores it in easyapache, … Continue reading

Linux – create a new partition command line

My situation: there was RAID setup between 3 physical hard disks, however one of them was considerable bigger – about a couple of TBytes. I needed the additional space for other purposes so I needed to create a new partition … Continue reading

install redmine – centos

Intalling redmine on an old linux centos machine was not straightforward for me, after installing ruby from source (repo had an old version and I wanted to have redmine 3.0) I got stuck in little things (missing libraries) so finally … Continue reading

install ruby

update mysql using yum

On one of the servers I needed to do an upgrade for mysql so I found am easy way to do it following the instructions from the mysql website. As a summary this is what you need to do:

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