January, 2013

Setup Rsync in 5 Minutes – Centos 6

January 29, 2013 Jordansphere Linux

Scenario: I wanted to transfer a /data folder from one server to another on Centos 6.  Source is Destination is   First of all we need to check rsync and xinetd are installed and working on the DESTINATION (receiving) server. To find out if the packages are installed type this: yum list installed Note: […]


rysnc centos 6 simple set up,

Add a New Disk to Centos 6 with a Volume Group

January 28, 2013 Jordansphere Linux

Scenario: I wanted to add a new disk to my Centos 6 installation with its own LVM (Logical Volume Manager). The new disk is 25G and is listed as/dev/sdb. It will mounted on the /data directory. As always please make sure you have everything backed up before attempting this. Use fdisk -l to get the […]


centos add disk lvm,

Error in fstab. Server doesnt boot

January 28, 2013 Jordansphere Linux

We’ve all probably done it at some point (or maybe this is your first time and you are frantically searching the web to find a fix).  Ok, so i made a typo in the fstab when mounting a new drive. The server doesn’t reload properly and you’ve had to run to the server room in […]


Splitting IP addresses when using DIRECT external network connection in vCloud Director 5.1 ?

January 22, 2013 Jordansphere vCloud Director

 I wanted to split a /24 subnet into 4 IP chunks per orgVDC. Using the new sub-allocation feature in vShield Edge you can configure this so one OrgVDC can only use a specific allocated range. However, what if you have an orgVDC that has a direct internet connection (eg connecting to the Internet directly without using […]


vshield external network edge gateway suballocation ip allocation vcloud director 5.1,

Determining your gateway when using DHCP

January 11, 2013 Jordansphere Linux

Scenario: I have a Centos 6.x VM which gets an IP address via DHCP. I could not get any external access so I wanted to start troubleshooting. The first step was making sure I had the correct gateway and could ping it.  route -n This should display The IP address highlighted in red is the […]


cetnos gateway dhcp determining,

Creating a site-to-site VPN from Sonicwall to vShield Edge in vCloud Director

January 10, 2013 Jordansphere vCloud Director

I have an organisation in vCloud Director (called Jordansphere). I wanted to connect a VPN from this organisation to a remote site . The remote site uses a Sonicwall.   In this setup I have used FQDN as the LocalID and PeerID and 3DES with a shared secret.   Here are the steps. Create VPN […]


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