Reliable Penguin - Blog

Non-chrooted Cronjobs In Plesk 10

leerb — Wed, 09 Nov 2011 15:13:05 +0000

Plesk 10 has a bug (feature?) where it inserts this line into the crontab file for each user (including non-chrooted users): SHELL=/usr/local/psa/bin/chrootsh This effectively breaks the jobs, because it makes them try to run in a chroot jail, which won’t work. You can manually remove the lines but Plesk will restore them when the job [...]

Insert Varnish Cache With NAT Rule

leerb — Tue, 08 Nov 2011 19:50:44 +0000

Here’s a simple nat rule for iptables that will route incoming web traffic to your varnish cache. This allows you to implement varnish without reconfiguring apache. In the varnish config, set the backing do be 127.0.0.1:80. iptables -D PREROUTING -s ! 127.0.0.1 -d 192.168.100.16 \ -p tcp -m tcp --dport 80 -j DNAT \ --to-destination [...]

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SED Trick – Add slashes to filenames if needed

leerb — Tue, 30 Aug 2011 12:17:45 +0000

This sed command will append / to the end of every line in filename.txt which doesn’t already have one. sed -i '/\/$/!s/$/\//g' filename.txt

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Magento Upgade Notes

admin — Thu, 04 Aug 2011 15:13:39 +0000

Here are some useful notes for upgrading Magento: Before starting the upgrade, block all access to the site by turning on password protection. It is critical that only one browser execute the database upgrade. Next make a full backup of all files and the database. If the upgrade fails you’ll need these to restore. Using [...]

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RackSpace DNSaaS

admin — Wed, 20 Jul 2011 19:26:33 +0000

Looks like RackSpace is doing DNS as a service with an API. Here are the links: Retail Site http://www.rackspace.com/cloud/cloud_hosting_products/dns/ API Developers Guide http://docs.rackspace.com/api/ Tutorial http://www.collazo.ws/2011/07/08/using-rackspace-dnsaas-with-curl-part-1 This should make it much easier to do bulk DNS operations in the cloud.

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Plesk Admin Password

admin — Tue, 19 Jul 2011 12:03:25 +0000

On versions prior to Plesk 10, you can find the Plesk admin password in: /etc/psa/.psa.shadow For Plesk 10 and beyond, use this command instead: /usr/local/psa/bin/admin --show-password Even more interesting is the MySQL admin password. For all versions of Plesk, the MySQL admin password is the string contained in /etc/psa/.psa.shadow. In Plesk 10, the password is [...]

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Manage Apache Modules On Ubuntu

admin — Tue, 07 Jun 2011 12:35:08 +0000

Configuration for enable modules is stored in: /etc/apache2/mods-enabled Available but inactive modules are stored in: /etc/apache2/mods-available A module can be enabled with: a2enmod [modulename] Where [modulename] is the module to be enabled. For example: a2enmod rewrite will enable the rewrite module. A module can be disabled in a similar fashion with: a2dismod [modulename] Don’t forget [...]

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Syncing Content Between RackSpace Cloud Servers With Unison

admin — Thu, 02 Jun 2011 12:35:50 +0000

We have two RackSpace Cloud Server running CentOS that need to have the web content kept in sync. Changes on either server need to be replicated to the other server. Easy way to get this accomplished is with the Unison File Syncronizer (http://www.cis.upenn.edu/~bcpierce/unison/). Here are the steps: 1. Install SSH keys for root on each [...]

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Install WordPress on Ubuntu virtual server at Media Temple

admin — Wed, 25 May 2011 13:19:07 +0000

Server is a MediaTemple “ve” server which is a Parallels Virtuozzo container with Ubuntu 10.04 LTS Lucid installed as the operating system. The first step is to install packages: apt-get update apt-get install mysql-server apt-get install apache2 apt-get install php5 apt-get install php5-mysql Now set mysql service to start automatically: update-rc.d mysql defaults service mysql [...]

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How to verify SSL cert from command line

admin — Wed, 27 Apr 2011 07:20:49 +0000

When I need to verify an SSL certificate and the corresponding CA intermediate certs a good tool is openssl like this: openssl verify -CAfile cabundle.crt www.domain.com.crt

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