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Alek Patsouris
Author's posts
Feb 03
Juniper SRX and FTTN VDSL
Over the last few years, Australia has been rolling out a National Broadband Network (NBN for short). I recently moved into a new house that was connected to the NBN via Fibre to the Node (FTTN) utilising VDSL technology. I was very excited to know that my Juniper SRX110 had a inbuilt VDSL modem! My …
May 09
Folding@Home Diskless cluster
For a very long time (about 11 years… wow) since I was in high school, I have been a proud supporter of Folding@Home. It is a great project not only because of the backend research it helps with, but also the technical aspects of their distributed system. But I have always wanted to run it …
Mar 21
Finding domains without NS records in PowerDNS
So, a fun one happened the other day. I needed to remove all the old domains from our nameserver cluster which is open to customers who were no longer pointing there domains to our nameservers. Easy eh? Well, unless you have access to a unrestricted IP capable of doing that many lookups on Ausreg (most …
Jan 05
pmacct CentOS 6 with flow-fanout
Sigh, I swear I find all the weird edge cases with every product I touch, hence this blog. The latest being pmacct on CentOS 6 with a flow-fanout
Dec 23
Cisco ASR 1001 Memory
We recently got 2 new ASR 1001s at work to complement 2 we already had. Stupid me but specified 4GB RAM on the order not 8GB that we needed 🙁 The size of the full BGP table now means that 4GB is starting to get to be a bit of a tight squeeze on 4GB …
