Ubuntu

IPv4 Address Subnetting Explained

Every server at IOFlood comes standard with one /29 worth of IPv4 IP addresses.  Additional IP’s can be added at an extra cost, up to a total of one single /24 (or equivalent) worth of IPv4 addresses per server.   But how many IP’s do you really get with a /29 or a /24? In this

Setting up Software RAID / MDADM status alert Emails for failed drives in Centos, Ubuntu, and Debian

Issues regarding software and hardware raid are no stranger to the IOFlood blog, with articles discussing the relative merits of each, articles discussing why raid is important (and so are backups), and so on. But RAID only provides protection against failed drives if you realize a drive has failed and replace it. Often times, a

Installing BOINC / World Community Grid on Ubuntu (not Centos)

Installing BOINC Some of you may have read our previous article on world community grid, saying why it is a good idea to donate your spare cpu time. We recommended this for desktop computers mostly, but also servers if they are completely idle. If you want, you can also join team IOFLOOD on world community grid.