Weird autoblogs
I just got a pingback on my earlier post, which was from a blog that indexes posts and articles with a particular word – acceptance – in it. Kind of an odd premise for a blog. UPDATE As per the...
View ArticleOpenNMS and buggy switches
One of my evening projects has been setting up OpenNMS to monitor a network primarily comprised of VENDORNAME switches. OpenNMS is being put in to replace a bundle of Nagios, Cacti, Smokeping, and...
View ArticleFurther bugs in switches
Further to my {{post id=”opennms-and-bugg-switches” text=”previous post”}} on the topic of uncovering bugs in switches with network monitoring systems, I have two more bits of news: The first is that...
View ArticleWhy I love dmidecode
I was asked to provide more ram for a server today, specified only by name. I have login details, but it’s in a datacentre in Auckland, and I’m in Hamilton, so I can’t wander over to check details....
View ArticleExporting Tape Autoloaders via iSCSI
A while ago I posted about {{post id=”iscsi-for-scsi-device-passthrough-under-xen-enterprise” text=”exporting a tape drive via iSCSI”}} to enable windows VMs to backup to a SCSI tape drive under Citrix...
View ArticleQOS and IP Accounting with BGP under linux
At NSP we’ve go a fibre connection into the building, and a 10MBit feed from our ISP, and over that we’re allowed 10MBit of national and 3 Mbit PIR of international traffic. Note that this adds up to...
View ArticleChanging Putty’s right-click behaviour
Anyone who uses Putty a lot will inevitably accidentally paste something into their putty window due to Putty’s right-click to paste default behaviour, often resulting in pasting relatively embarassing...
View ArticleCreating a DOS USB bootdisk under linux
Every now and then I need a DOS bootdisk to flash a BIOS or similar, and I only have linux with which to create it. I can never remember the quickest way to do this, so I’m documenting it here: Lifted...
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Entropy and Monitoring Systems
I use munin for monitoring various aspects of my servers, and one of the things munin will monitor for me the amount of entropy available. On both my current server and my previous one I’ve noticed...
View ArticleSlow SSH connections with GSSAPIAuthentication enabled
I hit an issue at work where SSH connections to some servers would stall for around 80 seconds. This seems like it only started happening recently, and it wasn’t happening for any of the systems I use...
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