I’ve done some work in testing the performance and mitigation of Meltdown and Spectre on the VMWare platform. In summary I can confirm that even when patching the hypervisor host, it does not mitigate or automatically protect Guest VMs. The
Linux un-numbered interfaces for Packet Capture
Nicely lifted from https://github.com/Security-Onion-Solutions/security-onion/wiki/NetworkConfiguration
Juniper, Fortigate Cheat Sheet
(and Cisco too) see also https://forums.juniper.net/t5/Configuration-Library/CLI-commands-Cisco-VS-Juniper-router-will-help-in/td-p/68088 https://forums.juniper.net/t5/Configuration-Library/SRX-Configuration-Cheat-Sheet/td-p/63057 http://netfixpro.com/wp-content/uploads/2016/09/Juniper-Commands-Cheat-Sheet-1.pdf Basic Commands BGP Commands
vmk interfaces, ping and netstacks
Once upon time there was ‘ping’. A nice tool to check connectivity. Had the ability to set the df (don’t fragment bit) and set size so you could check end to end MTU. Then along came ‘vmkping’, which is pretty
Setting SNMP on all ESXi 6.5 hosts in a cluster
Has been done before, but things have changed with 6.5 and Get-EsxCli -V2, so I thought I’d share an updated script. This makes sure you have the same SNMP settings on all hosts. This is kind of a response
Writing good process
https://help.promapp.com/Process/Minimode/Permalink/HffVjHfduAQwtkWzeu153a
ZCash, Cloud and AWS spot pricing
Would this ‘pay as you go’ cloud mining model compare with a half decent mining rig with GPU and the constant power draw?
Restoring a Veeam Agent 2.0 Backup to VM for Disaster Recovery
You are backing up your last physical servers using the latest Veeam Agent 2.0. You are storing backups offsite in the cloud using Veeam Cloud Connect to your favorite service provider….
The disaster strikes. Your server vanishes in a puff of smoke. You need to restore, restore quickly. But how?
You know your data is safe in the cloud, but how to get it back?
One liner VMware PowerCLI snippets
A collection of one liners that get/set useful information from vCenter via PowerCLI. For use when the the UI is just way to slow.
Get connection state of VM NICs
Troubleshooting a strange VMware bug where certain vmxnet3 nics are coming up disconnected after a vmotion.