Get graphs for specific protocol, ports, or IP address
Archive of entries posted on July 2010
Linux bridge: MAC addresses and dynamic ports
Scenario: KVM virtualization host running several bridged guests. The host has a bridge interface br0 that starts out containing only eth0, and other interfaces are dynamically added and removed from the bridge as guests are started and stopped. The problem is, the host seems to randomly suffer some loss of connectivity (from a few to […]
Working with blocks in awk
Recognize multiline blocks of text using awk
Before and after match in awk
Get lines that are n lines before or after a match.
Run a command on all files in a hierarchy
Something that everybody needs to do sooner or later.