SNMP ACL (after community check?!)

Not my usual kind of post of “how to do …blah” but something I’d come across yesterday that was a little interesting/annoying/silly. Best practice dictates you apply an ACL to your SNMP config so only configured hosts can poll a router/switch even…

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Simple script to reload exaBGP config

Recently started to look at exabgp as a tool to inject routes for a RTBH setup. Works nicely so far so made the following simple script to reload the config after changes so they take effect. This was made using exabgp…

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Fedora sound over HDMI using pulseaudio

On a few machine builds I’ve had some problems getting sound over HDMI interfaces to TVs on Fedora machines (15/16/17). I guess this is probably the same for any system using pulseaudio though like Ubuntu. Sound would work with MythTV…

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How to configure Smokeping alerts

From http://oss.oetiker.ch/smokeping/ SmokePing keeps track of your network latency: Best of breed latency visualisation. Interactive graph explorer. Wide range of latency measurement plugins. Master/Slave System for distributed measurement. Highly configurable alerting system. Live Latency Charts with the most ‘interesting’ graphs. Free…

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Grab multiple OIDs via SNMPwalk

SNMPWALK is a great too for grabbing SNMP oject identifier values (OIDs). To see how to install it see this post here. Mostly I use it for checking various single OID values but sometimes is can be useful to grab more…

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