https://systembash.com Technology and System Administration Wed, 27 Oct 2010 01:04:56 +0000 en hourly 1 https://wordpress.org/?v=6.3.1 https://systembash.com/wp-content/uploads/2023/08/cropped-icon-dark-bg-32x32.png https://systembash.com 32 32 https://systembash.com/fixing-ip_conntrack-bottlenecks-the-tale-of-the-dns-server-with-many-tiny-connections/ https://systembash.com/fixing-ip_conntrack-bottlenecks-the-tale-of-the-dns-server-with-many-tiny-connections/#comments Fri, 22 Oct 2010 21:06:23 +0000 http://systembash.com/?p=822 PowerDNS, which has been great. It is a DNS server whose backend is SQL, making administration of large numbers of records very easy. It is also fast, easy to use, open source and did I mention it is free? The server has been humming along for years now. The traffic graphs don't show a lot of data moving through it because it only serves DNS requests (plus MySQL replication) in the form of tiny UDP packets. Read on to follow my story of how I fixed this tricky problem. No kittens were harmed in the writing of this post. ]]> https://systembash.com/fixing-ip_conntrack-bottlenecks-the-tale-of-the-dns-server-with-many-tiny-connections/feed/ 1 https://systembash.com/facebook-or-twitter-redirecting-to-myspace-or-other-websites/ https://systembash.com/facebook-or-twitter-redirecting-to-myspace-or-other-websites/#comments Tue, 26 Jan 2010 06:03:28 +0000 http://systembash.com/content/facebook-or-twitter-redirecting-to-myspace-or-other-websites/ https://systembash.com/facebook-or-twitter-redirecting-to-myspace-or-other-websites/feed/ 40 https://systembash.com/network-solutions-dns-down/ Tue, 17 Oct 2006 18:45:02 +0000 http://systembash.com/content/network-solutions-dns-down/ https://systembash.com/dns-server-firewall-open-ports/ Wed, 04 Oct 2006 12:15:30 +0000 http://systembash.com/content/dns-server-firewall-open-ports/ https://systembash.com/powerdns-flexible-dns-server/ https://systembash.com/powerdns-flexible-dns-server/#comments Wed, 04 Oct 2006 04:49:20 +0000 http://systembash.com/content/powerdns-flexible-dns-server/ https://systembash.com/powerdns-flexible-dns-server/feed/ 2