Say you're running an nginx proxy and need to set up multiple domains with different backends.

Using: https://github.com/thefinn93/ansible-letsencrypt/

proxy.yml:

- hosts: proxy
  vars:
    letsencrypt_webroot_path: /var/www/letsencrypt/
    letsencrypt_email: foo@bar.com
    letsencrypt_cert_domains:
      - site.com
      - www.site.com
      - othersite.org
    letsencrypt_renewal_command_args: '--renew-hook "systemctl restart nginx"'
  roles:
    - { role …

I read this somewhere and want to keep it around.

Sometimes I need to debug HTTPS/header issues in a load balanced environment.

Here's how to dump all the headers in PHP:

/* {DocumentRoot}/headers.php
Show all values defined on $_SERVER */
<?php
     while (list($var,$value) = each ($_SERVER)) {
            echo "$var …

I ran into some regression bugs with the latest version of Ansible and wanted to test to confirm a few things before posting bug reports. As I run MacOS at work, Ansible is installed from Brew. If you're lucky, you might still have your old versions around:

$ ls /usr/local …

Moving to PulseAudio is pretty painless. Just need to install the package and edit /etc/pulse/client.conf to have:

autospawn = yes

One issue I did have was I kept hearing my microphone input in my headphones using a USB headset.
Fixing this was quite simple - in alsamixer, use F6 …

I can never remember how to do this without the GUI so here is the quick command to detect the Solr version you're currently running:

wget -q -O- localhost:8080/solr/admin/registry.jsp | grep -E "spec-version|impl-version"

A helpful StackOverflow link:https://stackoverflow.com/questions/2395089/how-do-i-find-out-version-of-currently-running-solr

Broken search

One of our clients have been having issue with the search function on their Drupal site. This full text search was powered by Solr behind the scenes. The issue only only ever occurred when the user was logged in so it was never flagged up to us.

Recently …

No more Google SMTP for your aliases

Since August last year, Google have grandfathered a feature in GMail that allows you to create aliases in your account and send emails as those aliases from their SMTP servers:

http://googlesystem.blogspot.co.uk/2014/08/external-addresses-no-longer-use-gmail.html

For any new aliases …

I just had the pleasure of resetting some PDUs to factory defaults today. The models in question were Raritan Dominion PX20 (DPXR20A-16/32). After a mostly fruitless search for 'raritan px reset to factory default' and 'raritan px restore to factory default', I have managed to dig out a way …

A customer called in today saying that their site is not working after re-pointing the DNS. No changes have been made in a week and it was working fine before. Typical.

So I turned on Firebug and notice it's a 500 error. Logged into the server and saw it's a …

I've recently made an investment and purchased a Filco Majestouch 2 Tenkeyless, blue switch edition. It was a toss-up between that and the HappyHacker and I decided I like the arrow keys too much to let go. KeyboardCo have exclusive distribution rights here in the UK so I got mine …