Red Hat – Disable DNS Recursion (BIND)
Disable DNS Recursion KB ID 0000981 Problem I got a Tweet, to say the site was down. I checked and the VPS was off-line? So I powered it on and waited a few minutes. Linux is not one of my strongest technical areas so I did some Googling about what logs to check etc. When I looked in the var/log/messages log it was full of these, up to the point where it went down; Aug 7 03:51:52 MY-HOSTNAME named[490]: error (unexpected RCODE...
VMware – Cannot Cut, Copy, or Paste to VM’s
KB ID 0000515 Problem Ever since ESX 4.1 this feature has been disabled and you have been unable to paste to VM, VMware say in their own documentation: Source (Page 215 – ESX Configuration Guide ESX 4.1 vCenter Server 4.1). To turn this feature back ON you have a few choices. Please be aware: We are talking about copy and pasting TEXT to and from a guest VM NOT files and folders. Solution ESX Option 1 (Enable Copy and Paste to...
Using the VI Editor (For Windows Types)
KB ID 0001304 Problem I dont have a ginger ponytail, nor do I wear sandals, couple these two things together and you will understand why I find VI so confusing! Many times I’ve had to alter a config file on an appliance, or a Linux box, and sat frowning at VI wondering why I can’t change a one to a zero. Note: Nano is easier, if possible try nano {filename} to save hassle. But on hardened appliances for example, it wont...
CentOS 7 – No Network Connection
KB ID 0001047 Problem A while ago I spun up a CentOS server in VMware Workstation, and I could not get it connected to the network, I was in a bit of a hurry, so I blew it away and just built a new server with CentOS 6. This week I’ve been using VirtualBox and spun up a new CentOS 7 server and had the same problem. Solution 1. Quite why CentOS 7 does this I’m not sure, My NIC is called enp0s3 (run ‘ip addr’ to...