Set Up DNS for Office 365 in cPanel

To set up Microsoft Office 365, login to cPanel, then add/update the following DNS records for the domain(s) in question: example.com.au. 300 MX 0 example-com-au.mail.eo.outlook.com. example.com.au. 3600 TXT MS=ms000000 autodiscover 3600 CNAME autodiscover.outlook.com. example.com.au. 3600 TXT “v=spf1 include:outlook.com ~all” _sip 3600 SRV 100 1 443 sipdir.online.lync.com. _sipfederationtls 3600 SRV 100 1 5061 sipfed.online.lync.com. sip 3600 […]

Adding Secondary IP Addresses (CentOS/RHEL)

There are plenty of reasons you would need to add secondary IP addresss (and everyone agrees that SEO is not one of them). Getting a secondary IP address is a simple process if it is done for the right reasons and done correctly. You do NOT need additional NIC cards but you will be creating […]

Linux KVM: Disable virbr0 NAT Interface

The virtual network (virbr0) used for Network address translation (NAT) which allows guests to access to network services. However, NAT slows down things and only recommended for desktop installations. To disable Network address translation (NAT) forwarding type the following commands:   Display Current Setup Type the following command: # ifconfig Sample outputs: virbr0 Link encap:Ethernet […]

How to Clone/Backup Linux Systems Using Mondo

Mondo Rescue is an open source, free disaster recovery and backup utility that allows you to easily create complete system (Linux or Windows) Clone/Backup ISO Images to CD, DVD, Tape, USB devices, Hard Disk, and NFS. And can be used to quickly restore or redeploy working image into other systems, in the event of data loss, you will be able to restore as much as entire system […]

Add GNOME to a CentOS Minimal Install

Introduction In most instances, the Linux servers I setup are used to host the Oracle database software and only require using the Command-Line Interface (CLI) for the OS. This is beneficial because I only need to perform a minimal installation and can add only those required Linux packages (RPMs) needed to support the database. However, […]

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