The error NO_PUBKEY E585066A30C18A2B is the key for the Opera web browser. To correct the error, run the following code. wget -O – http://deb.opera.com/archive.key | apt-key add – […]
Category: Linux
NO_PUBKEY 07DC563D1F41B907
The error NO_PUBKEY 07DC563D1F41B907 relates to the Debian multimedia repository public key. On a fresh install of Debian (testing/wheezy) I received the error whilst performing an apt-get update. The error observed was: GPG error: http://deb-multimedia.org testing InRelease: The following signatures couldn’t be verified because the public key is not available: NO_PUBKEY 07DC563D1F41B907 To resolve the […]
Install Opera on Debian
To install Opera on Debian the Opera repository needs to be added and then the Opera package installed. In the actions taken below the command line will be used. For maintaining the packages on my main computer I mostly use the command line, although sometimes it can be nice to see all of the packages […]
Dynamic MMap Ran Out of Room
An old error, which I’ve not seen in a long time. But thought I’d post it here. Older versions of Debian would produce an error after a a few months of updates. Dynamic MMap ran out of room To correct the error the cache size was increased in the apt configuration file /etc/apt/apt.conf APT::Default-Release “testing”;APT::Get::Purge;APT::Cache-Limit […]
Redirect www and non-www Using .htaccess File
Non-www URLs can be redirected to www URLs using the .htaccess file. To re-write the website URL from non-www to www the .htaccess file is edited and the rewrite rules added. The Apache mod-rewrite module will be used to perform the rewriting of the website URL. The RewriteEngine is turned on and then conditions are […]
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Bulk Image Resize
Bulk resizing a number of images in Linux is easy with the command mogrfy, a part of the ImageMagick suite. For many years I have resized images, to a maximum of 800 pixels, vertically or horizontally, for sending to friends and relations in e-mails. With larger computer hard drives, email accounts and greater Internet connection […]
Using Cron to Periodically Visit A Web Page
Cron can be used to periodically visit a web page. A web page may need to be periodically visited to cause an update, for example for store stock updates of to trigger a Google Froogle file creation. Searching the Internet it is generally indicated that wget is the command to use. I also tried using […]
Running a Newer Version of Iceweasel and Icedove
The current version of Iceweasel is 10.0.11 for the Wheezy Debian release. Using the Experimental repository a newer version can be maintained. First edit /etc/apt/sources.list and add references to experimental repository: #Iceweaseldeb http://mirror.ox.ac.uk/debian/ experimental main To ensure that for most packages the testing release is used the file /etc/apt/apt.conf.d/70debconf is edited: APT::Default-Release “testing”; And finally […]
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Mythtv-backend Fails to Start
Mythtv-backend fails to start following recent update. Running the service start, gives an error, which relates to the database. service mythtv-backend start Starting MythTV server: mythbackendroot@aaaaa:/home/neil# No UPnP backends foundWould you like to configure the database connection now? [no][console is not interactive, using default ‘no’] Investigations on the Internet showed this to be a database […]
Mythtv Convert mpg Recorded File to mp3
I have used MythTV for a number of years, having migrated from Freevo, recording Freeview television and radio programmes to watch or listen to. To listen to radio programmes recorded by MythTV on a smartphone requires a conversion of the recorded .mpg file into a smaller and more transferable .mp3 file. Mythweb is used to […]
