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Postfix and multiple SSL certificates 31 Jul 2013 | 09:25 am
If you ever wanted to use your Postfix with multiple SSL certificates for different domains, here is how. List of requirements: separate IP for each SSL certificate different domains you will use f...
Cyrus IMAP server and multiple SSL certificates 31 Jul 2013 | 09:08 am
If you ever wanted to use your Cyrus IMAP server with multiple SSL certificates for different domains, here is how. List of requirements: separate IP for each SSL certificate different domains you ...
Protecting WordPress wp-admin / wp-login.php areas against dictionary attacks and DDoS 29 Jul 2013 | 11:17 am
For some time, large botnet installations have been attacking WordPress installations from many IPs, sometimes the number of attacking addresses was tens of thousands: http://www.h-online.com/open/ne...
upgrading Redmine from 1.4.4 to 2.3.x on Debian Wheezy using deb packages 20 Jun 2013 | 08:25 pm
Debian Wheezy comes with Redmine 1.4.4. If you want to upgrade to Redmine 2.3.x using deb packages, here is how. Backup first Needless to say, please backup your Redmine installation before trying to ...
downgrading to PHP 5.3 on Debian Wheezy (7.0) 20 Jun 2013 | 07:05 pm
Debian Wheezy comes with PHP 5.4. If this is too new for your application and it doesn’t work properly, here is a short description on downgrading to PHP 5.3. First, add these two lines to /etc/apt/so...
lxc: restricting container view of dmesg 11 Jun 2013 | 08:48 pm
If you don’t like the idea of your lxc container to view dmesg output, which includes host’s data, here is a quick tip. Just enable this: echo 1 > /proc/sys/kernel/dmesg_restrict Or, to have the value...
“Error: queue file write error” with Postfix and Amavis 25 Mar 2013 | 05:32 pm
If you’re using Postfix and Amavis, you may be seeing “Error: queue file write error”, especially with larger than usually email rates. Here is what you can do to get rid of them. If you’re getting to...
restoring a single table from a large MySQL dump file 6 Mar 2013 | 07:51 pm
If you have a large MySQL dump file, but only need to restore a single table, you may use the following: Please substitute “interesting_table” with the table you’d like to extract from the dump file: ...
repairing broken PostgreSQL databases / tables 6 Mar 2013 | 07:34 pm
If your server happened to crash, Postgres database is corrupted, but didn’t contain too precious information, you may try the following fix. The typical symptoms of a corrupted Postgres database woul...
sitemap.xml for Mailman 22 Nov 2012 | 02:50 am
If you ever wondered how to generate a sitemap file for Mailman (the GNU Mailing List Manager), to be submitted i.e. to Google, here is how. All you have to do is replacing a few variables, and submit...
