VMware Octopus wallpaper
Duncan over at Yellow Bricks was nice enough to share this VMware Octopus wallpaper. Of the VMware wallpaper I have this one is my favorite for some reason.
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How to update VMware ESXi 6.5 to 6.5 Update 1
With the release of VMware vCenter 6.5 Update 1 also comes VMware ESXi 6.5 Update 1 and just like vCenter there are a number of changes, updates, and fixes for ESXi as well in 6.5 Update 1 – you can see the release notes here.
Yesterday I made a post on how to upgrade VMware VCSA 6.5 to 6.5 Update 1. Below I’ll show you three ways to upgrade your ESXi hosts to 6.5 Update 1.
VMware Workstation 12.5.5 released, fixes Pwn2Own exploits
VMware has just released Workstation 12.5.5 which includes bug fixes as well as fixes for several vulnerabilities found in this years Pwn2Own contest, which two hacking teams, 360 Security (@mj011sec) and Team Sniper was able to successfully complete a virtual machine escape.
While these are serious exploits, VMware has said they are not aware of any active exploitation of the vulnerabilities that has now been fixed in 12.5.5.
Read More “VMware Workstation 12.5.5 released, fixes Pwn2Own exploits”
Install ESXi 5.1 from a USB Flash Drive
Many servers already come with a DVD/CD-ROM drive or some kind of ability to virtually mount an ISO image from a network share onto your server to then install ESXi. However, not all do or you just want to have your ESXi image readily available. Here’s a quick step by step instructions on how to use a USB flash drive to install ESXi.
- Download ESXi 5.1 from VMware (if you haven’t already) as well as UNettbootin.
- Plug in your USB Flash Drive.
- Open UNetbootin and select “Diskimage”, set Type to “USB Drive”, select Drive letter of your USB flash drive, and set the path of your ESXi 5.1 ISO image. Then click on “OK”.
Improve Linux VM IO performance by disabling IO Scheduler
For a little while now we’ve been seeing RedHat Linux virtual machines performing poorly. Tasks would take considerably longer on the Linux VM’s then other Windows VM’s. After digging around I eventually found that RedHat has it’s own IO scheduler that runs in the background. On a physical box this wouldn’t be a big deal, but as a virtual machine everything is already being processed by VMware hypervisor. The fix, disable the IO Scheduler!
Read More “Improve Linux VM IO performance by disabling IO Scheduler”
Upgrade VCSA 6.5 to VCSA 6.7 Update 1
VMware vCenter 6.7 U1 has recently been released. Last week I posted how to upgrade VCSA 6.7 to 6.7 Update 1, this post will walk you though upgrading VMware vCenter Server Appliance 6.5 to VCSA 6.7 Update 1!
When doing a VCSA version upgrade the upgrade process is much different, than going from say 6.7 to 6.7 U1. When going from 6.5 to 6.7 the upgrade is actually broken up into two stages.
The first stage involves deploying a brand new vCenter 6.7 appliance. Then the second stage will copy the data from your 6.5 VCSA into the newly deployed 6.7 VCSA from stage 1.
Fix VMware VCSA /storage/log filesystem out of disk space
This morning I ran into an issue where users were reporting the production VCSA 6.0 was not allowing them to connect into the web or thick client. Another administrator rebooted the VCSA which seemed to work only briefly. I then logged into the VCSA web management (https://<VCENTER_IP>:5480) and noticed the following health status right away:
The /storage/log filesystem is out of disk space or inodes
Read More “Fix VMware VCSA /storage/log filesystem out of disk space”