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Showing posts from September, 2014

ESXTOP

Intro Thresholds Howto – Run Howto – Capture Howto – Analyze Howto – Limit esxtop to specific VMs References Changelog This page is solely dedicated to one of the best tools in the world for ESX; esxtop. Intro I am a huge fan of esxtop! I read a couple of pages of the esxtop bible every day before I go to bed. Something I however am always struggling with is the “thresholds” of specific metrics. I fully understand that it is not black/white, performance is the perception of a user in the end. There must be a certain threshold however. For instance it must be safe to say that when %RDY constantly exceeds the value of 20 it is very likely that the VM responds sluggish. I want to use this article to “define” these thresholds, but I need your help. There are many people reading these articles, together we must know at least a dozen metrics lets collect and document them with possible causes if known. Please keep in mind that these should only be used as a guideline ...

57 Tips Every Admin Should Know

Active Directory 1. To quickly list all the groups in your domain, with members, run this command: dsquery group -limit 0 | dsget group -members –expand 2. To find all users whose accounts are set to have a non-expiring password, run this command: dsquery * domainroot -filter “(&(objectcategory=person)(objectclass=user)(lockoutTime=*))” -limit 0 3. To list all the FSMO role holders in your forest, run this command: netdom query fsmo 4. To refresh group policy settings, run this command: gpupdate 5. To check Active Directory replication on a domain controller, run this command: repadmin /replsummary 6. To force replication from a domain controller without having to go through to Active Directory Sites and Services, run this command: repadmin /syncall 7. To see what server authenticated you (or if you logged on with cached credentials) you can run either of these commands: set l echo %logonserver% 8. To see what account you are logged on as, run this command: ...