MySQL Master-Master Replication, Heartbeat, DRBD, Apache, PHP, Varnish MegaHOWTO | IO Digital Sec

I created this HOWTO while building a new development environment today. The intention is to take a single Apache2/Varnish/MySQL environment and scale it to two servers, with one effectively a “hot-standby” – increase redundancy and continuity whilst maintaining current performance. This HOWTO is based on Linux Debian-76-wheezy-64-minimal 3.2.0-4-amd64 #1 SMP Debian 3.2.60-1+deb7u3 x86_64 via MySQL […]

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ISO 8601 – Wikipedia, the free encyclopedia

A single point in time can be represented by concatenating a complete date expression, the letter T as a delimiter, and a valid time expression. For example “2007-04-05T14:30″.If a time zone designator is required, it follows the combined date and time. For example “2007-04-05T14:30Z” or “2007-04-05T12:30-02:00″.Either basic or extended formats may be used, but both […]

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Securing SSH with two factor authentication using Google Authenticator | blackMORE Ops

Google Authenticator implements TOTP security tokens from RFC6238 in mobile apps made by Google, sometimes branded “two-step authentication”. The Authenticator provides a six digit one-time password users must provide in addition to their username and password to log into Google services or other sites. The Authenticator can also generate codes for third party applications, such […]

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Bulletproof Demos

We all like to build software which is reliable, but every once in a while it seems like a good idea to demo something still in its unreliable infancy. Google Chrome has a little known feature which can help.Record modes let you record every request Chrome makes. Playback mode serves requests out of that recorded cache just as if […]

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