Iron.io Blog: Docker in Production — What We’ve Learned Launching Over 300 Million Containers

Earlier this year, we made a decision to run every task on IronWorker inside its own Docker container. Since then, we’ve run over 300,000,000 programs inside of their own private Docker containers on cloud infrastructure. via Iron.io Blog: Docker in Production — What We’ve Learned Launching Over 300 Million Containers.

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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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