It seems that anytime someone speaks or writes about how VMs they have, they always tend to say how many VMs per server. This information is almost irrelevant unless you know how big was that server. I much prefer if people would report how many VMs per CPU core they have. That’s meaningful, but what […]
After doing P2V conversions with VMware converter I always go through the pain of removing all the nonpresent devices from device manager. I have now found a script that does all this automatically. Thanks to Simon Price. Download the script.
Have a VI3 Infrastructure setup? Need to test vSphere before you install it on your prod systems, but don’t have the hardware resources lying around to do so? Then running vSphere as a VM is what you need. I found several articles that detail how to do this if you’re running VMware Workstation but not […]
I have painstakingly been through numerous ‘How To’ articles for setting up AD authentication for my Linux servers all of which have never worked perfectly. If you’ve had similar experiences then just forget all those ‘How To’ articles. Download the open source utility from Likewise that does all the work for you. It simply works!
This is a modified repost for my own documentation from 7ota This tutorial deals with setting up a machine for remote desktop access just like an RDP connection to a windows system but using VNC.
If you missed installing the Development Tools in the initial install, there is a quick way to load them without installing them individually. yum groupinstall ‘Development Tools’ This will install gcc, make, automake plus otther tools with all their dependencies and libraries.
To get the Software Updater application in CentOS/Red Hat to use a web proxy server, add the following line in the [Main] section of the /etc/yum.conf file. proxy=http://{proxyserver}:{port}/ Be sure to keep the trailing / slash on the end.
extract source on host create user zabbix set passwd for zabbix switch user to zabbix run ./configure –enable-agent switch user to root run make install mkdir /etc/zabbix edit zabbix_agentd.conf and change hostname mv /home/zabbix/zabbix_agentd.conf /etc/zabbix/ mv /home/zabbix/zabbix-agent.init /etc/init.d/zabbix-agent chkconfig –add zabbix-agent chkconfig zabbix-agent on service zabbix-agent start
The below Linux command has one purpose, to create a file with the current date in a single command line, but its concept can be used in many other ways. date +%Y-%m-%d | xargs -I {} touch file_{}
I have a ‘well established’ VMware infrastructure that started back in ESX 1.51. So obviously I have been through many upgrades and/or migrations, but even though my ESX servers have been rebuilt, my VMs from older versions were not. I don’t remember which revision or which combination of upgrade/migration caused it, but it did warn […]