Tag Archives: xubuntu

Atril (evince, document viewer) default directory for Save As

For the XFCE desktop environment Atril is the default PDF viewer and I also use it to open any PDF files from Firefox. It is a great lightweight document viewer which does what I need most of the time. One exception is when after opening a PDF file from Firefox I decide to keep the file and select File Save As. Atril insists on saving the file in $HOME/Documents, which is practically never the directory I want to use…

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Send 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 computer, and you have root privileges on the remote computer, here is a solution.

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Turn 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 will only create an ad-hoc wifi network, and Android devices will only connect to infrastructure access points. Don’t ask why… A rooted Android phone or tablet can be configured to connect to an ad-hoc network, and if a separate program can configure a Linux box to act as an access point, NetworkManager should be able to do the same. As far as I can see, there are no good technical reasons for either of these deficiencies.

The solution is hostapd:

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Install 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, psim and sdcc, and also updated the MPLAB X toolchain plugin for sdcc.

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