Script to backup Cisco switches via telnet / tftp
A couple of days ago, I have released a small perl script to back up Cisco IOS based switches via telnet. I know there are a couple of similar scripts available on the internet, but most of them either use the “expect” functionality (which does not work all the time), or use SendKeys (which only […]
Juniper ScreenOS : Active/Passive clustering
Introduction In this blog post, I’ll show the easy steps to set up a screenOS based active/passive cluster. I’m not going to discuss the configuration of active/active clusters because, in my opinion, this configuration is only needed in rare circumstances and may introduce some weird behaviour issues. Furthermore, active/passive clusters have been working quite well […]
Free Tool – Cisco Ironport C350 Safelist / Blocklist merge utility
If you have multiple Cisco Ironport C350 devices, you may have noticed that safelist / blocklist entries are bound to an individual device. So if your Ironport devices are both installed to handle incoming mails, end users need to manage safelists/blocklists on both devices in order to be sure that both devices operate in the […]
System/Disk Backup in Vista using command line script
Microsoft has implemented a really neat feature in Vista Business, Enterprise and Ultimate, allowing you to perform a full disk or even system backup, while the system is running. This new backup tool used Block Level backup and uses Volume Shadow Copy to backup open files (however, it is advised to close your applications while […]
How to backup VMWare ESX virtual machines
Today, I will try to explain 2 techniques that will allow you to backup your vmdk files (virtual machines) on a VMWare ESX 3.0.x server. My lab runs on 3.0.2, but this will work on 3.0.1 (and maybe earlier versions) as well. Before continuing, let’s make a couple of assumptions : I will explain how […]