Yearly Archives: 2019


Configuring Hitch to Terminate SSL for Varnish

Varnish is an HTTP accelerator (cache) application.  We make heavy use of Varnish here at Revenni and recently started deploying it alongside Hitch. Varnish is designed to sit in front of your web server and have all clients connect to it.  You configure your web server as a backend [...]

Configuring Hitch to Terminate SSL for Varnish2019-08-31T10:56:26+00:00

Cloud Contingency When The Ban Hammer Drops

We design and support a lot of deployments on a wide variety of platforms.  Our clients are dispersed across Linode, Vultr, Digital Ocean, OVH, and AWS, which are all great platforms in their own right.  They all have their different pros and cons; however, one thing they all share [...]

Cloud Contingency When The Ban Hammer Drops2019-08-31T10:56:26+00:00

Keeping Multiple Devices in Sync via Unison

There are two types of digital nomads, those who have a single workhorse device and those who have several.  This post covers the challenges faced by the latter type. When I'm in the office I have a MacBook connected to a 34" ultrawide monitor.  This is where most of [...]

Keeping Multiple Devices in Sync via Unison2019-08-31T10:56:27+00:00

Launching the Open SysAdmin Series

Revenni has started a new series of articles dubbed "Open SysAdmin." But first, a little story. Twenty years ago on an IRC network long forgotten, a group of like-minded individuals were hacking away trying to get Creative Sound Blaster cards working on a Linux machine so that we could [...]

Launching the Open SysAdmin Series2019-08-31T10:56:27+00:00

Happy Victoria Day & Holiday Hours

While Summer doesn't officially arrive until late June, it's safe to say that the warm weather is upon us and it's time to open up our summer properties.  While this weekend marks the beginning of weekly migrations to cottages/trailers/campgrounds for many, Revenni is operating on standard business hours [...]

Happy Victoria Day & Holiday Hours2019-08-31T10:56:27+00:00

Backup MySQL on Debian or Ubuntu

MySQL is one of the worlds most popular opensource databases in use today.  Much of MySQL's success can be attributed to its general ease of installation and usability.  A functional MySQL installation is a single package install on most Linux distributions. It's so easy to hit the ground running [...]

Backup MySQL on Debian or Ubuntu2019-08-31T10:56:27+00:00

Configuring Postfix on Debian & Ubuntu to relay via GSuite

We are occasionally requested to set up and deploy mail services for our clients so that their services can send reminders, notifications, billing runs, etc.  Thankfully, mail is one of our fortes.  We have built and maintained mail clusters utilizing open source software (OSS) such as postfix and dovecot [...]

Configuring Postfix on Debian & Ubuntu to relay via GSuite2019-08-31T10:56:28+00:00