Reference

"Forget" your access point(s) on your existing UniFi Controller before adopting it on your hosted controller — If you’ve ever set up a Ubiquiti UniFi access point, such as the UBNT UAP, UBNT UAP-PRO, or UBNT UAP-AC-PRO, you’ve had to run UniFi Controller software required to adopt, configure, and manage your UniFi devices. When I set up a UAP-PRO in our house (see my install guide) I ran the UniFi Controller software full-time on […]

DIY Cloud-Hosting a Ubiquiti (UBNT) UniFi Controller

This entry was posted in Linux Reference Technology Windows and tagged access point cloud-hosted cloud-hosted UniFi controller controller hosted L2 network L3 network self-hosted UAP UAP-AC-PRO UAP-PRO Ubiquiti UBNT UniFi UniFi controller on May 21, 2016 by Steve Jenkins (updated 3173 days ago)

UPDATE: I repeated my testing in January 2017, and published the results here. The older K2.6 (Linux Kernel 2.6) versions of the DD-WRT open source firmware are still way faster for both wired and wireless networks than the newer K3.x versions of DD-WRT… at least on a Linksys E4200. How can I […]

DD-WRT K2.6 is Still Faster than K3.x

This entry was posted in Linux Reference Technology on March 25, 2016 by Steve Jenkins (updated 2967 days ago)

The Ubiquiti EdgeRouter Lite can replace the Google Fiber Network Box — I’ve been a Google Fiber user (and fan) since the service first hit Provo, Utah. I have a vacation home there, so while I don’t get to benefit from the Gigabit speeds on a daily basis, I certainly take advantage of it while I’m there. Because it’s a vacation home, I rely […]

Replace Your Google Fiber Network Box with a Ubiquiti EdgeRouter ...

This entry was posted in Linux Reference Technology and tagged config.boot EdgeMax EdgeOS EdgeRouter EdgeRouter Lite EdgeRouter POE EdgeRouter X ER-LITE ER-POE ER-X ERL ERLITE-3 GFNB Google Fiber Google Fiber Network Box Google Fiber Network Jack POE replace replace Google Fiber Network Box Ubiquiti UBNT on November 8, 2015 by Steve Jenkins (updated 2871 days ago)

Whirlpool inverter box — The most popular DIY post on my blog is, by far, How to Fix a Whirlpool & KitchenAid W10219463 / 2307028 Control Board for $6. As of this post, it’s received over 430 comments; the vast majority from frustrated homeowners who went online in a last ditch effort to find a way to […]

A Cheap(er) Fix for Whirlpool / KitchenAid / Kenmore Refrigerator ...

This entry was posted in DIY Reference and tagged compressor control control board digital inverter digital speed control DIY fix fridge inverter board inverter box JennAir Kenmore KitchenAid Maytag referigerator Repair replace W10133449 W10629033 on October 11, 2015 by Steve Jenkins

Bandwidth test as Sender — In the top-right corner of the Ubiquiti EdgeMAX EdgeRouter’s GUI interface, you’ll find a Toolbox menu with plenty of goodies inside (assuming you’re running a version of the firmware that has them, such as 1.7.0+). One of the menu items lets you test the Bandwidth to or from your router: Selecting […]

Using the Ubiquiti EdgeRouter’s Built-In Bandwidth Tester

This entry was posted in Linux Reference Technology and tagged bandwidth tool EdgeMax EdgeRouter iperf iperf3 networking router speed test toolbox Ubiquiti UBNT on October 10, 2015 by Steve Jenkins (updated 3421 days ago)

Ubiquiti UAP-PRO access point — Getting decent WiFi coverage at my house has always been a challenge. The house is three stories (the bottom floor is a daylight basement) and has a footprint of 50′ x 100′. A four car garage extends the footprint even farther to the south, and because I use WiFi-controller irrigation […]

How to Install a Ubiquiti UniFi Access Point Pro (UAP-PRO)

This entry was posted in DIY Reference Technology and tagged antenna bad wifi DD-WRT how to install UAP install UAP router UAP UAP-PRO Ubiquiti UBNT WiFi on September 30, 2015 by Steve Jenkins (updated 3432 days ago)

Our family has a cat and two indoor dogs (Japanese Chins). And on most days, we love them. OK, so we love them every day. But when you’re training a new puppy to “wait to go outside,” or dealing with a cat that believes she owns the house and can cough up […]

Best Products for Dog or Cat Stains and Odors

This entry was posted in Product Reviews Reference and tagged best pet odor remover best pet stain remover carpet cleaner cat cat urine do enzyme cleaners really work dog dog stain dog urine enzymatic enzymatic cleaner enzyme pet odor remover pet stain remover on September 18, 2015 by Steve Jenkins (updated 3444 days ago)

I’ll be running my third Tough Mudder in Seattle this weekend, and with every event I’ve learned more about what shoes, socks, and clothing works well.. and what doesn’t. Here’s what I’ll be wearing at this year’s 2015 Seattle Tough Mudder. Best Tough Mudder Shoes A good set of trail […]

Recommended Tough Mudder Shoes, Socks, and Clothing

This entry was posted in Fitness Reference and tagged best Tough Mudder shoes best Tough Mudder socks gear insoles recommended shirt shoes shorts socks Tough Mudder on September 17, 2015 by Steve Jenkins (updated 3442 days ago)

The 2015 Seattle Tough Mudder is this Saturday and Sunday (September 19th & 20th), and like many other pre-registered participants, I just received the course map via email. As it’s been in previous years, Seattle Tough Mudder 2015 will take place at Palmer Coking Coal Company in Black Diamond, WA. The […]

Tough Mudder Seattle 2015 Unofficial Course Preview

This entry was posted in Fitness Reference and tagged 2015 course map obstacles Seattle Seattle Tough Mudder Tough Mudder Tough Mudder obstacles Tough Mudder Seattle on September 17, 2015 by Steve Jenkins (updated 3445 days ago)

Linux Uptime — If you’re getting permissions errors when trying to update WordPress plugins or themes (or even WordPress itself), it can be a major pain to try and troubleshoot WordPress permissions, and the documentation is unclear on exactly what the optimal WordPress permissions settings are. I recommend these using the following four easy Linux […]

Correct Permissions for WordPress

This entry was posted in Linux Reference Technology and tagged 644 755 chmod chown optimal WordPress permissions perfect WordPress permissions permissions right permissions for WordPress set permissions WordPress WP on September 4, 2015 by Steve Jenkins

Reverse lights (top row) illuminated. — A burned out bulb on your car isn’t just an annoyance, it’s a safety issue… and one that could get you pulled over. So many of my favorite COPS episodes on TV start with a plain old “your tail light is burned out” traffic stop. Bad boys, bad boys… what’cha […]

How To: Replace Ferrari 512 TR Bulbs with LEDs

This entry was posted in Cars DIY Reference and tagged 1156 1157 512 TR 512TR amber bulbs Ferrari LED LED brake lights LED bulbs LED stop lights LED tail lights LED turn signals red replace with LED replacement replacement bulbs Testarossa on August 18, 2015 by Steve Jenkins (updated 3458 days ago)

Replacement dual capacitor ready to install. — Summer 2015 in Seattle has been officially declared the hottest summer here on record (check my weather station’s 2015 max temps on my Weather Underground weather history graph for geeky details). For those in the Pacific Northwest living without central A/C, it’s been miserable. And for those fortunate enough to have central air conditioning, […]

Air Conditioning Not Blowing Cold? Replace your Capacitor or Contactor

This entry was posted in DIY Reference and tagged 440/370 A/C air conditioner air conditioning air conditioning not working capacitor contactor cooling DIY DP1025A 5006 fix air conditioner Honeywell HVAC MFD micro-farads not blowing cold air R8242A-1032 replace capacitor replace contactor Rheem Ruud thermostat on August 16, 2015 by Steve Jenkins (updated 3476 days ago)

I went to update the mod_cloudflare package on a CentOS / RHEL box this morning, and ran unto the following problem: % sudo yum update -y mod_cloudflare Resolving Dependencies --> Running transaction check ---> Package mod_cloudflare.x86_64 0:1.2.0-1360806316.el6 will be updated ---> Package mod_cloudflare.x86_64 0:1.3.1-1.el6 will be an update --> Finished Dependency […]

Fixing “Public key for mod_cloudflare-*.rpm is not installed” Error

This entry was posted in Linux Reference Technology and tagged CloudFlare error GPG key mod_cloudflare not installed public key yum on August 1, 2015 by Steve Jenkins

My baby - a 1992 512 TR. — The Ferrari Testarossa, along with its later 512 TR and F512M variants, are iconic cars of the 80s and 90s. Every kid my age wanted to be Sonny Crocket cruising around Miami in a white Testarossa. What we never saw, however, was Crocket having trouble starting his Testarossa. Every time he had […]

DIY: Fix a Ferrari Testarossa / 512 TR Hot Start ...

This entry was posted in Cars DIY Reference and tagged 512 TR 512TR Bosch DIY Ferrari Ferrari 512TR Ferrari Testarossa hot start hot start fix hot start problem how to problem replace solenoid replace starter replace starter solenoid solenoid starter Testarossa won't start on July 29, 2015 by Steve Jenkins (updated 3491 days ago)

My buddy's CZ 75 B 9mm semi-auto pistol — Recently, a very good friend of mine named “MJ” purchased his very first firearm: a 9mm semi-automatic CZ 75 B Omega. I think he made an excellent choice. And like any proud new papa, he couldn’t contain his excitement. In fact, here’s the Facebook photo he messaged me within seconds of […]

What Products Should a New Gun Owner Buy? (Semi-Auto Pistol ...

This entry was posted in Guns Reference and tagged accessories CZ firearms first time gun owner Glock gun accessories gun cleaning gun safe what to buy on June 3, 2015 by Steve Jenkins (updated 3551 days ago)

I’ve already posted a field-strip video for an old-school Ruger “Standard” (or Mark I), but wanted to do this separate video showing some of the nuances of field stripping and re-assembling a Ruger Mark III 22/34 Lite.

Video: Ruger Mark III 22/45 Lite – Field Strip and ...

This entry was posted in Guns Reference Videos and tagged 22/45 22/45 Lite field strip Lite Mark III Ruger Ruger MK III on April 26, 2015 by Steve Jenkins (updated 3589 days ago)

Linux Uptime — If you’re looking for the fastest and easiest way to get DMARC verification working on a RedHat (Fedora, RHEL or CentOS) mail server, I highly recommend OpenDMARC. I’m a bit biased, as I currently maintain the OpenDMARC package in the Fedora and EPEL repositories. This article will help you install the […]

Installing OpenDMARC RPM via Yum with Postfix or Sendmail (for ...

This entry was posted in Linux Reference Technology and tagged CentOS configure DKIM DMARC EPEL Fedora how to OpenDKIM OpenDMARC Redhat RHEL set up SPF on March 27, 2015 by Steve Jenkins (updated 3595 days ago)

FreeDNS.Afraid.org A Record Setup — The Problem In the “early” days of the internet, you could find free Dynamic DNS (DDNS) accounts everywhere. The providers of those free services, such as DynDns, hoped that by giving you a freebie, you’d eventually become a paying customer for one of their pay services. Unsurprisingly, that’s not what happened. […]

Using FreeDNS.Afraid.org with DD-WRT when you lose your Free DynDns ...

This entry was posted in Linux Reference Technology and tagged Afraid.org DD-WRT DDNS DDNS service DynDNS Free DDNS FreeDNS.Afraid.org how to howto on November 1, 2014 by Steve Jenkins (updated 3405 days ago)

I received an email today from a friend and fellow Linux sysadmin, Todd Lyons, informing me of a very sneaky way to exploit the Shellshock vulnerability under what he calls “just the wrong conditions.” Here’s how his email starts out: With your recent blog post, you might also want to […]

Shellshock Warning: Even after patching, your old vulnerable bash binary ...

This entry was posted in Linux Reference Technology and tagged shellshock shellshock bug vulnerable on September 30, 2014 by Steve Jenkins (updated 3797 days ago)

Setting up multiple WLANs in DD-WRT — Because I publish a lot of articles on DD-WRT router firmware, and I also recently published an article on patching the Shellshock bug on older Fedora-based Linux systems, I’ve been receiving a lot of emails asking if DD-WRT firmware is affected by the Shellshock Bash bug. The answer is… maybe. By default, the […]

Is DD-WRT Vulnerable to the Shellshock Bash Bug?

This entry was posted in Linux Reference Technology and tagged bash Bash on DD-WRT DD-WRT ddwrt exploit patch shellshock shellshock bug shellshock on DD-WRT vulnerable on September 29, 2014 by Steve Jenkins (updated 3798 days ago)

With the announcement of the Shellshock Bash Bug, Linux admins around the world have been scrambling to patch their Bash shells so that they’re no longer vulnerable to the exploit. If you have a Fedora, RHEL, or CentOS system that hasn’t reached End-Of-Life, then updating to a patched version of […]

How to Manually Update Bash to Patch Shellshock Bug on ...

This entry was posted in Linux Reference Technology and tagged bash bug Fedora 14 Fedora 15 Fedora 16 Fedora 17 Fedora 18 Fedora 19 GNU patch patch bash manually patch old Fedora shellshock shellshock bug on September 26, 2014 by Steve Jenkins (updated 3783 days ago)

Covered grill ready for next time — If you own a Traeger smoker grill, chances are you put it together yourself — using the hardware kit provided by Traeger. To save money, the majority of the nuts, bolts, screws, and washers in a Traeger hardware kit are made of zinc. However, Traeger grills are designed for outdoor […]

Traeger Zinc to Stainless Steel Hardware Cross Reference

This entry was posted in BBQ DIY Reference and tagged cross reference hardware stainless steel Traeger zinc on August 5, 2014 by Steve Jenkins

Why doesn't it look different? — Here’s the scenario: you’ve set up Dynamically Allocated Storage for the hard drive on your Guest VM in VirtualBox and you’ve run out of space — even though your Actual Size is smaller than the Virtual Size (this happened to me recently when my Virtual Size was 10 GB, and […]

Resize a Fedora, CentOS, or Windows Dynamic Guest Virtual Disk ...

This entry was posted in Linux Reference Technology Windows and tagged CentOS dynamically allocated Fedora LVM partition resize resize VDI VDI virtual disk VirtualBox Windows on July 23, 2014 by Steve Jenkins (updated 2911 days ago)

Rasmus Lerdorf's opcache-status script — When I upgraded to PHP 5.5, I also said goodbye to my beloved APC cache (which never let me down) in favor of Zend OPcache, because it’s already part of the PHP package. Back when I used APC, one of my favorite tools was the apc.php script that showed cache status and allowed me […]

My Favorite Zend OPcache Status Scripts

This entry was posted in Linux Reference Technology and tagged APC apc.php cache memcache memcached OPcache opcode cache php cache script user data cache Zend on July 3, 2014 by Steve Jenkins (updated 3771 days ago)