Escape from ssh
If you ever get an ssh session that seems to be stuck, try closing the connection using one of the ssh built-in escape sequences. Just type at the beginning of a new line: ~. If you have to close a...
View ArticleProtected: HFS TSM backup client installation
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View ArticleTemporary rsync server installation
I have recently had to make a backup of the ‘My Documents’ directory of a Windows XP user to a CentOS server. If this was a Linux to Linux backup exercise I would automatically use rsync over ssh....
View Articlegpsim, Ubuntu and the case of the missing GUI
Update 13/1/2015 Following an upgrade to Ubuntu 12.04 I wanted to install gpsim again. I was pleased to see that it was included in the standard repositories and so I duly installed the stock packages....
View ArticleLinux and Nexus 7 USB connection
Update 12/1/2015: It appears that the Nexus 7 is now automatically recognised and made available in xubuntu 14.04.1 Trusty; however, if you are still having trouble, read on. Install the required...
View ArticleCentOS 6.5 kernel compile for VIA C7 CPU
After a recent kernel update I found that the stock CentOS kernel was less than optimal for the CPU I am using, and so I decided to create a kernel optimised for my VIA C7 CPU. As root: • Set up build...
View ArticleMicrochip MPLabX installation on 64-bit Ubuntu system
The Microchip MPLabX IDE, IPE and XC8 packages need additional 32-bit libraries and so their installation is slightly more involved than just running the installer scripts. The details: sudo apt-get...
View ArticleApple keyboard with Linux
After having installed Ubuntu Linux 14.04 on an Apple Mac I found that the keyboard layout was not quite correct, e.g. function keys were not easily accesible and some characters were missing. The...
View ArticleInstall pyUSB 1.x latest version
pyUSB is an excellent Python package that can significantly simplify USB programming. For most Linux distributions there are packages only for older versions of pyUSB, but since it is actively...
View ArticleWireshark installation and use as non root
Following the default installation of wireshark it is only possible to capture packets as root, which is clearly less than ideal. It is much better to run wireshark as a non-root user: sudo apt-get...
View ArticleGet started with git
There are many excellent tutorials on using git (see below). This page is just a list of git commands for my reference. sudo apt-get install git gitk git-gui git config --global user.name your name git...
View ArticleSystem Program Problem Detected – disable apport
A system component crashing will activate the apport reporting system. What is really annoying about this is that the warning pop-up windows will keep appearing long after the problem is solved. To get...
View ArticleInstall or update mplabx, gputils, gpsim and sdcc
This is a summary of the steps involved in setting up development tools under Linux for Microchip PIC microcontrollers. I have created Ubuntu Trusry packages for the most recent versions of gputils,...
View ArticleAdd “Copy To” and “Move To” custom actions in Thunar file manager
If you are missing the split view or dual pane functionality in Thunar, at least you can implement a workaround by adding the following custom action definitions to your Thunar config file: nano...
View ArticleScript to encode HTML special characters
Have you grown tired of typing in all those HTML special characters? Use a perl script instead: nano ~/bin/html_special_char_encoder.pl #!/usr/bin/perl use HTML::Entities; while (<>) { print...
View ArticleNetbeans cannot open old / existing project
After having installed Netbeans 7.0.1+dfsg1-5ubuntu2 I found that I cannot open old projects. Netbeans will find list the project directories, but will not open the projects. The solution is quite...
View ArticleTurn your desktop computer into a wireless access point
My desktop computer has a wired connection to the internet and so the built-in wifi card is normally not used. I decided to enable and use it as a wireless access point. Unfortunately NetworkManager...
View ArticleSend message to user logged in to an X11 session at a remote host
There are occasions when you want to contact a user working at a remote computer, but his/her phone is switched off. If the remote user is running an X11 session, and you have ssh access to the remote...
View ArticleList ssh tunnel connections
There are occasions when you would like to list ssh tunnel connections established to or from your server with information about the port numbers used. Tunnels and other ssh connections to your server:...
View ArticleHumax HDR-FOX-T2 dropbear ssh / sftp password change
On the Hummy, dropbear passwords are kept in /mod/etc/dropbear/shadow. To change the password, this file will have to be edited directly. Assuming you are running a custom firmware and have installed...
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