VMware Tools “Out of date” problem
While doing a VMware tools check in my homelab I found a few Linux VMs with the message “Out of date“. These machines were from an old test and I recently started them again for some testing. My first idea on seeing the message was: ‘nothing wrong, I just run a PowerCLI script and everything [...]
Combining Veeam and PowerCLI
Veeam Backup & Replication is a great tool for backing up your virtual environment. U can use it to backup certain virtual machines or your whole environment by simply creating backup jobs in which u add virtual machines. Veeam has the option which sends an e-mail if a backup was successful or failed. Sadly there [...]
Finding all symlinks in a directory
This is a very useful command if you need to find all symlinks in a certain directory:
Syslog-ng configuration and rotation script
I’m a big fan of syslog-ng. All my devices which allow the usage of syslog send information to my syslog-ng server. The server configuration below will send all information to specific day dirs for each device. The client configuration will send all information to the syslog-ng server but we will also keep the messages and [...]
Moving locked VM’s in ESXi using SSH
VMWare vSphere is a very nice piece of virtualization software. Sadly there are a few things that can go wrong and I had the “luck” to hit one of those. Waking up on a morning to notice that 4 VM’s are offline because of the ESXi host going down (hardware failure) isn’t something you want [...]
Must there be more storage?
Some people just have TOO much storage More information can be found in this thread.
RRDtool: 32bit to 64bit?
While playing around with creating some statistics from several servers I came to the following problem: ERROR: This RRD was created on other architecture The problem was simple, the file was created on a 32 bit machine and I was trying to access it on a 64 bit machine. The fix for this is quite [...]
Google: The original setup at Stanford University
Google is one of the true giants of the Internet. These days, Google has data centers all around the world and hundreds of thousands of servers. The size of Google today makes it very interesting to look back at the beginning as a small project called “Backrub” at Stanford University. Back in 1998, the search [...]