شهر: كانون الثاني 2015

SSH Key Management with privacyIDEA

In this tutorial I will show, how you can manage your SSH keys for all your servers and different user accounts. This is important, if you have more than one SSH key and it is even more important, if you a responsible for many different users

A basic MySQL Cluster setup

The easiest way to have MySQL Cluster installed on Linux is to get the official “server” RPM package and unpack it on every cluster node to be. Ta-dam, service binaries for all node types are deployed and ready to be used – right after you compiled

What is Bacula?

Bacula is an open source backup solution. It’s known to be robust enough but yet relatively easy-to-configure. As it is open source, software license costs are nullified. Also a proof to its stability, it’s RPMs and DEBs are to be found in software repositories of the

How to create your iptables firewall

When I first used iptables my aim was as simple as setting up a reliable firewall to protect my home network from unwanted traffic, and share my Internet connection to all the computers on the LAN. This article gives an easy example for such purposes.   …

mysqldump exclude databases

mysqldump doesn't offer an option to exclude a database from the dump, similar to --ignore-table for tablesBash to the rescue! This short shell script lets you exclude a list of databases #!/bin/bash DATABASES_TO_EXCLUDE="EXCLUDEDB1 EXCLUDEDB2" EXCLUSION_LIST="'information_schema','mysql'" for DB in `echo "$ {DATABASES_TO_EXCLUDE}"` do EXCLUSION_LIST="$ {EXCLUSION_LIST},'$ {DB}'" فعله…

How To Change Timezone on a CentOS 6 و 7

  CentOS timezone config files and directories /usr/share/zoneinfo/ - The system timezone directory contains the files as per timezone name. فمثلا, the file /usr/share/zoneinfo/America/New_York represents time zone for New York. /etc/localtime - It is a symlink to the file localtime or to the correct timezone