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Set up NTP Server on CentOS 6

Posted on 10/10/2015 by Lisenet

Part 3 of setting up a Linux home lab environment with VirtualBox. Check this blog post for more info.

NTP is used to synchronise the time on our Linux system with a centralised NTP server. A local NTP server on the network can be synchronised with an external timing source to keep all the servers in our organisation in-sync with an accurate time. Continue reading →

Posted in Linux | Tagged CentOS, homelab, NTP | Leave a comment

Set up BIND DNS Server on CentOS 6

Posted on 10/10/2015 by Lisenet

Part 2 of setting up a Linux home lab environment with VirtualBox. Check this blog post for more info.

BIND is open source software that implements the Domain Name System (DNS) protocols for the Internet. The name BIND stands for “Berkeley Internet Name Domain”. Continue reading →

Posted in DNS, Linux | Tagged BIND, CentOS, homelab, LPIC-2 | 6 Comments

Set up VirtualBox 5.0 on a Headless CentOS 6 Server

Posted on 10/10/2015 by Lisenet

Part 1 of setting up a Linux home lab environment with VirtualBox. Check this blog post for more info.

VirtualBox is a powerful and feature rich x86/AMD64/Intel64 virtualisation product for enterprise as well as home use. Continue reading →

Posted in Linux, Virtualisation | Tagged CentOS, homelab, VBoxHeadless, VirtualBox | 4 Comments

Set up Linux Home Lab Environment with Oracle VirtualBox

Posted on 10/10/2015 by Lisenet

This post has been sitting in my drafts folder for quite some time now. It was easier to set everything up than to find spare time to do a write-up.  Continue reading →

Posted in Linux | Tagged CentOS, DHCP, DNS, homelab, NFS, NTP, Puppet, SMTP, Spacewalk, VirtualBox | 32 Comments

Install psad on CentOS 6

Posted on 30/08/2015 by Lisenet

Psad is a tool used to analyse iptables log messages to detect port scans and other suspicious traffic. Continue reading →

Posted in Linux, Monitoring | Tagged CentOS, Iptables, psad

Set up Spacewalk 2.3 on CentOS 6

Posted on 09/08/2015 by Lisenet

Setting up Spacewalk software content management system on CentOS. Continue reading →

Posted in Linux | Tagged CentOS, RedHat Satellite, Spacewalk | 2 Comments

Install Graylog Server 1.x on CentOS 6

Posted on 08/08/2015 by Lisenet

Installing a Graylog2 log management platform for collecting, indexing, and analysing data. Continue reading →

Posted in Linux, Monitoring | Tagged CentOS, Elasticsearch, Graylog, Mongo | Leave a comment

Your Satellite Certificate has Expired (Spacewalk)

Posted on 25/07/2015 by Lisenet

Renew your satellite certificate for Spacewalk on CentOS 6. Continue reading →

Posted in Linux | Tagged CentOS, RedHat Satellite, Spacewalk | 24 Comments

Reset Forgotten MySQL Root Password

Posted on 19/07/2015 by Lisenet

We’re using MySQL 5.5 and Debian Wheezy in this example.  Continue reading →

Posted in Database, Linux | Tagged Debian, MySQL, reset password | Leave a comment

Optimise MySQL Configuration for WordPress

Posted on 06/07/2015 by Lisenet

Re-configure default MySQL server to run more efficiently. Continue reading →

Posted in Database | Tagged MySQL | 4 Comments

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