If you are using CentOS rescue to fix a server and it can not automatically map/find/rebuild/whatever the directory structure correctly you may find this useful. Using chroot after fixing everything yourself does not populate the /dev /proc and /sys directories so you need to do it yourself, if the rescue image finds the install automatically […]
Cisco devices by default use PAgP (Port Aggregation Protocol) when establishing EtherChannel connections between devices. PAgP is a proprietary protocol that is exclusive to Cisco systems. LACP is a protocol that accomplishes the same thing but is universal and thus available on Juniper devices. Here’s how to set them up. Cisco side. Here’s the configuration […]
THE RESOLUTION OF THIS PROBLEM IN THIS POST IS DIRECTLY RELATED TO SYSTEMS RUNNING ARECA RAID CONTROLLERS BUT MAY APPLY TO OTHER SYSTEMS REQUIRING DISK RELATED DRIVERS. Upon booting a server after a CentOS kernel upgrade it was no longer able to boot. The update was specifically from kernel 3.10.0-123.el7.x86_64 to 3.10.0-229.11.1.el7.x86_64 but these details have nothing […]
This error was showing in the R1soft/CDP/Idera (whatever you want to call it) server.log when trying to pull all of our Disk Safe data using the API: The conglomerate (2,849) requested does not exist It was causing the API call to fail and our script to stop functioning. After some investigation I deduced that R1soft […]
I’m blogging now.