I ran into an issue while monitoring an ubuntu machine's file system activity using python's implementation of Inotify (pyinotify) and it's awesome big brother, the "watchdog" python library. If you havent checked out watchdog for monitoring file system events - you're seriously missing out. Catch up on it here: http://pythonhosted.org/watchdog/ https://github.com/gorakhargosh/watchdog The watchdog library worked … Continue reading Inotify, ubuntu and trash
Email Error: 450 Client host rejected
A couple of our clients sometimes have issues when sending email, with a returned non-delivery report stating the following: Peer server rejected email: 450 Client host rejected: 'cannot find your hostname' It turns out this is a very strict check (usually performed by postfix), that is controlled via the directive reject_unknown_client_hostname in the postfix configuration. The documentation … Continue reading Email Error: 450 Client host rejected
David Vassallo's Blog 
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