Setting up Varnish for Drupal on CentOS 6

Varnish has an offical repository so let’s add it to Yum as outlined on https://www.varnish-cache.org/installation/redhat sudo rpm –nosignature -i http://repo.varnish-cache.org/redhat/varnish-3.0/el6/noarch/varnish-release/varnish-release-3.0-1.el6.noarch.rpm sudo yum install varnish Set Varnish to start on system boot sudo chkconfig varnish on Setup DAEMON_OPTS in /etc/sysconfig/varnish, something like below. It will be commented out by default: DAEMON_OPTS=”-a :80 \ -T localhost:8080 \ -u varnish -g… Continue reading Setting up Varnish for Drupal on CentOS 6

Setting up memcached with Drupal 7 on Centos 6

Firstly get access to RPMForge repositories. Next install memcached: sudo yum install memcached sudo service memcached start memcached -h Check memcache stats: echo “stats settings” | nc localhost 11211 watch “echo stats | nc 127.0.0.1 11211” Configure memcache: sudo vi /etc/sysconfig/memcached Configuration details for memcache can be found here Install the PECL memcached extension for… Continue reading Setting up memcached with Drupal 7 on Centos 6

Installing RPMForge repositories on CentOS

By default CentOS Yum has a pretty poor selection of packages compared to something like Debian. So it can be a good idea to add RPMForge to get access to more up to date packages. cat /etc/redhat-release uname -a Now choose the appropriate repository for the CentOs version and architecture: http://wiki.centos.org/AdditionalResources/Repositories/RPMForge Install the repo: wget… Continue reading Installing RPMForge repositories on CentOS

Regenerating Path Aliases Programatically in Drupal 7

It should look something like this: /** * Update path aliases for taxonomy terms and nodes. */ function gateway_controller_update_7057() { module_load_include(‘inc’, ‘pathauto’); module_load_include(‘inc’, ‘pathauto.pathauto’); // Delete the existing node aliases. db_delete(‘url_alias’) ->condition(‘source’, ‘node/%’, ‘LIKE’) ->execute(); // Regenerate the node aliases. $nids = db_query(“SELECT nid FROM {node}”)->fetchCol(); pathauto_node_update_alias_multiple($nids, ‘bulkupdate’); // Delete the topics taxonomy aliases. db_delete(‘url_alias’)… Continue reading Regenerating Path Aliases Programatically in Drupal 7

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Getting Adafruit’s Flora working under Ubuntu 13.04

I’ve been trying to get http://learn.adafruit.com/getting-started-with-flora/blink-onboard-led working and had a few issues getting the Flora working with the Arduino IDE under Ubuntu / Linux. Initially I had a bad mini-usb cable, which I diagnosed by checking dmesg when plugging the cable in and sure enough nothing registered. Once I found a working cable, I needed to download… Continue reading Getting Adafruit’s Flora working under Ubuntu 13.04