Making files and folders lowercase
Very occasionally I want to make all the files and folders of a particular directory lowercase (usually when porting an existing directory structure from Windows to Linux) this is how I do it. You...
View ArticleQuick way to remove X Server for running a headless server
I use my Raspberry Pi as a headless server so do not need anything that relies on X11, this is a quick way to get rid of everything that depends on X11 to save some space. Although you can get...
View ArticleSafe Reboot of Locked Linux Machine
Sometimes your Linux machine will lock up, it just happens. But before you reach for the reset button try and use the magic SysRq key combination to try and perform a safe reboot. The magic SysRq...
View ArticleHow to Install the Edimax AC600 Wireless Driver for the Raspberry Pi
I use an Edimax AC600 series USB wireless device for my raspberry pi on Raspbian. Here is the easy way to install the driver for it. These easy instructions are only possible thanks to the amazing...
View ArticleInstall G77 on Ubuntu >=14.04
In 2012 I wrote how to install G77 on Ubuntu >=9.04. However that approach no longer works (yet that particular blog posts gets lots of hits because of a link from stackoverflow). So here are some...
View ArticleDelete large number of jobs with SGE
Sometimes I accidentally add lots of jobs to our SGE queue and want a quick way to delete them. Googling for a solution to this returns a whole host of different answers (e.g. this stackoverflow answer...
View ArticleRescan Wireless Networks on Ubuntu
Sometimes I can’t find wireless networks which I know exist (on Ubuntu 16.04). Forcing the wireless interface to rescan fixes the problem. This is really simple. Just find out the name of your...
View ArticlePasswordless SSH on CentOS
The CentOS wiki page misses out a crucial step in setting up passwordless SSH. Whilst the wiki provides most of the information required to set up passwordless SSH on CentOS, namely: Creating SSH keys...
View ArticleUnblock IP address from connecting via SSH
I manage a small cluster at work and occasionally students get their IP address banned by entering the wrong password when logging into the cluster. I don’t fix the problem often enough to remember how...
View ArticleInstalling TIE-GCM on Ubuntu using gfortran
This is a very specific post, most people will want to skip over it entirely. It is about how to install the ionosphere/thermosphere model TIE-GCM on Ubuntu computers using gfortran. I get a couple of...
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