Just trying to upgrade the server (sudo apt-get upgrade) and it says: dpkg: error: parsing file ‘/var/lib/dpkg/available’ near line 0 Turns out that /var/lib/dpkg/available is broken. To fix just run: sudo dpkg –clear-avail Then get the latest updates: sudo apt-get update
I rebooted an Ubuntu 12.04 server after upgrading the kernel and MySQL. However, I found that the new MySQL would not start. When I tried: sudo service start mysql I got: start: job failed to start There were no errors appearing in the /var/log/mysql/error.log and so there was no information to help debug it. I … Read more
I wanted to monitor our HP server raid array on Ubuntu 12.04. I am sure that there is a good way of setting this up with Nagios or SMNP – however, I thought I would write a little bash script which emails me if any of the hard drives in the raid array fail. I … Read more
Imapsync is a really useful script from syncing imap mail boxes. I used it when migrating from Zimbra to Google Mail. I wanted to install imapsync from source on my Ubuntu server but found the instructions a little ridiculous. The start of the instructions are: Go into the directory imapsync-x.xx and read the INSTALL file. … Read more
I started getting an error message every time I booted into Ubuntu. “‘The volume “boot” has only ….. bytes disk space remaining.”. This is caused by old Linux kernels filling up the boot partition on the hard drive. For most users, you don’t need to keep old kernels and therefore you can remove them … Read more
…is that another bug with Magento? Surely not. Here is the apache error log: Declaration of Zend_Pdf_FileParserDataSource_File::__construct() must be compatible with Zend_Pdf_FileParserDataSource::__construct() in /var/www/lib/Zend/Pdf/FileParserDataSource/File.php on line 41 The solution is to change the constructor function of lib/Zend/Pdf/FileParserDataSource.php to Again – this bug has been around since 2010. It’s 2012…
I’ve just been installing Magento (which for some reason is a real pain!). I got a really random error message when trying to setup the database. I get an error message just saying: You need to edit app/code/core/Mage/Install/etc/config.xml changing: to this: </pdo_mysql> </extensions> [/code] Given that this bug has been around since for about 3 … Read more
It took me a while to find the PSP for Ubuntu. It turns out that HP have renamed the old Proliant Support Pack to Management Component Pack. We use HP ProLiant DL380 G6 servers and want to monitor the raid without using HP Insight software. You can either download the .deb files from the HP … Read more
Everytime I ran the sudo command, it took about 3-10 seconds to ask for the password. I found that the reason for this is that sudo does a DNS lookup. There was a problem with my /etc/hosts file. I had changed the hostname of the computer without updating the /etc/hosts file. The fix was to … Read more
We have a Synology Rackstation NAS and it comes with a VPN server. I decided to try and work out how to connect my Ubuntu laptop to the Synology VPN server and route my network through that. It took me sometime to get the settings right, so I have put together a guide in the … Read more