average VM resource consumption

i was just looking at some averages today and on average our virtual machines consume 250MHz of CPU usage and 4.7GB of RAM each. if this holds true then you could effectively have 96 VMs per 24GHz of available CPU resources. however, you’ll only get about 41 VMs worth per 192GBs of RAM. so probably […]

Posted in: IT by resinblade No Comments

upgrade vsphere management assistant

when upgrading from vma 4 to vma 4.1: sudo vima-update scan sudo vima-update update after vma is upgraded to 4.1 the command becomes vma-update. to check the vma build run “cat /etc/vma-release” see  http://resinblade.net/?p=1088 for info on upgrading vma 5.1

Posted in: IT by resinblade Comments Off on upgrade vsphere management assistant

linux dlna mediaservers

recently i acquired a sony bdv-e370 home theater which originally didn’t ship with DLNA support. a recent firmware update as of 2/2011 added DLNA support. which was awesome because it was a feature i wanted, but at the time was not willing to pay an extra $100 for the sony bdv-e570 to get it. so […]

Posted in: IT by resinblade No Comments

where to take tests

pearson/vue (cisco/comptia): DSC in deland flagler tech college ormond beach? prometric: FL tech college (deland) i’m interested in taking red hat’s RHCSA exam at some point

Posted in: IT by resinblade No Comments

windows sfc (system file checker)

when trying to do a system repair/recovery and running “sfc”…you might get an error about a repair service being unable to start. to get around this run sfc like this: sfc /scannow /offbootdir=c:\ /offwindir=c:\windows source: http://social.technet.microsoft.com/Forums/en/winserversetup/thread/00580ff7-4412-459b-b176-c8a002ebd740

Posted in: IT by resinblade No Comments

thoughts on kindle (3rd gen)

i recently received a kindle as a christmas gift and wanted to jot down some of my initial thoughts about the product. i have the wifi-only version of the kindle which i find to be very sufficient for my usage. i imagine the 3g connectivity model only becomes handy when someone either travels often or […]

Posted in: IT by resinblade No Comments

ubuntu: no audio from headphones

recently, i was messing around with sound settings in ubuntu and somehow managed to make it where sound no longer emitted from the headphone jack. normal speaker sound was still functional however. no matter how much i tried changing settings back, i could not restore the headphone audio. i followed the steps on: https://wiki.ubuntu.com/Audio/InstallingLinuxAlsaDriverModules and […]

Posted in: IT by resinblade No Comments

expanding an xfs volume

a little while back i was experimenting with expanding an xfs volume in linux and found that there’s a native utility to accomplish this called xfs_growfs. i read the man pages about it and it seemed pretty self explanatory and i tried it…and it didn’t work. lots of googling later i finally found the solution […]

Posted in: IT by resinblade No Comments

vsphere: can’t reconnect host to vcenter

recently, i was unable to reconnect a host to vcenter using the usual troubleshooting methods. couldn’t find any clues as to what the problem was from the logs. the only thing noteworthy was something similar to “could not resolve version for authenticating to host agent” in the vpxa logs. i also couldn’t connect the vcenter client […]

Posted in: IT by resinblade Comments Off on vsphere: can’t reconnect host to vcenter

active directory: fsmo roles

two good articles about fsmo roles: http://www.petri.co.il/transferring_fsmo_roles.htm http://www.petri.co.il/determining_fsmo_role_holders.htm

Posted in: IT by resinblade No Comments