10 tips, each summarized in a sentence or two. Speed up your WAN, Build a lab, know your apps, virtualization pitfalls, speed up backups, and more.
If you want to get an estimate of bandwidth speeds between two machines, but you don’t want to factor in storage read/write speeds, iperf is the perfect tool.
In Ubuntu, Fedora and other systems I’ve seen rsyslog running on, to see the console messages you have to have physical access to the server usually through a KVM or IP-KVM setup. Kernel messages are sent to /dev/console while mail, crit, debug, and others get sent to files. Any of these message can be monitored remotely…