May 2016

I have been fielding a few calls very recently where a computer was upgraded to Windows 10 from Windows 7 automatically to a user’s surprise, so they then downgraded back to Windows 7. Mostly things work after the revert to Windows 7, however I’m seeing so many issues with Task Scheduler corruption. The task image…

Read More The task image is corrupt or has been tampered with.

Instead of visiting sites like Speedtest.net through a browser, you can install speedtest-cli package on Linux and test bandwidth speeds from the command line. $ apt-get install speedtest-cli Here’s an example running the command. root@zabbix:~# speedtest-cli Retrieving speedtest.net configuration… Retrieving speedtest.net server list… Testing from Level 3 Communications (4.49.115.30)… Selecting best server based on latency……

Read More Test Internet Speed on Linux Terminal

Run the esxcli storage vmfs extent list┬ácommand to generate a list of extents for each volume and mapping from device name to UUID. You see output similar to: Volume Name VMFS UUID Extent Number Device Name Partition ———— ———————————– ————- ———————————— ——— esxi-local 4e0d86e1-0db6f826-6991-d8d3855ff8d6 0 mpx.vmhba2:C0:T0:L0 3 datastore1 4d4ac840-c1386fa0-9f6d-0050569300a7 0naa.6006016094602800364ce22e3825e011 1 vmfs5 4dad8f16-911648ca-d660-d8d38563e658 0naa.600601609460280052eb8621b73ae011 1

Read More List VMFS extents in ESXi

Had some troubles with an ESXi 5.5 host the past week and rebuilt some of the networking which included removing a vmkernel and re-adding to a standard vSwitch and then setting up VMotion and Management tags on it. Came across the following error on my host in vSphere Client: To resolve this issue, I needed…

Read More This host has no isolation addresses defined as required by vSphere HA

The following batch script will add a group of users to Windows, set no password, and require a password change at first logon. @echo off setlocal enabledelayedexpansion set user1=John Q. Smith set user2=Jane Doe set user3=Joe Montana set user4=Alicia Silverstone set users=(user1 user2 user3 user4 user5 user6) for %%u in %users% do ( echo net…

Read More Batch Script Add Windows Users using Netsh