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...
CentOS TFTP Server (Install and Configure)
CentOS TFTP Server KB ID 0000998 Problem I needed to back up a Cisco firewall, and perform an upgrade remotely, despite my best efforts to use the ASDM and update via http, I had to go ‘old school’ and bring up a TFTP server on one of my CentOS Linux servers. Solution CentOS TFTP Server 1. Log onto the server and install the xinetd TFTP Server. Execute the following command and follow the on-screen prompts. Using username...
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...
TinyCore Linux: Build a ‘Persistent’ Web Server
KB ID 0001697 Problem Recently I was building a lab for testing load balancing, and needed some web servers, I could have built three Windows servers, but I wanted to run them in EVE-NG, so they had to be as light as I could make them. I chose TinyCore Linux, (I know there are smaller options, but it’s light enough for me to run, and work with). The problem occurs when you reboot the TinyCore host, it (by default) reverts back...
EVE-NG: Committing / Saving Qemu Virtual Machine Settings
KB ID 0001695 Problem I’ve been working on a load balancing lab in EVE-NG this last week or so. I created some web servers (in TinyCore Linux,) to act as the web servers in that lab. (Essentially they serve a different colour web page so I can test the load balancing is working OK). Now I wanted to save the changes I made so that I could redeploy the configured servers to multiple labs. But when you deploy a qemu VM as a node in...