Opensource, Software Development
Qt for Python 5.12 (Ubuntu 18.04)
Follow instructions from https://wiki.qt.io/Qt_for_Python/GettingStarted/X11
Software Development
Building Software at Google Scale Tech Talk
this is basically what we today call Bazel
Opensource
ssh without password
run these commands on the remote host $ mkdir ~/.ssh$ chmod 700 ~/.ssh run these commands on your local computer
Opensource
using sudo without password
run as root $ usermod -aG sudo sahumada$ echo “sahumada ALL=(ALL) NOPASSWD: ALL” > /etc/sudoers.d/sahumada check whether it works $
Opensource
change default editor in Ubuntu 18.04
$ update-alternatives –display editoreditor – auto mode link best version is /bin/nano link currently points to /bin/nano link editor is
Opensource
changing the Raspberry Pi’s screen resolution (VNC)
To set a certain screen resolution for your Pi, specify the following settings in /boot/config.txt:
Software Development
run Raspbian 2016-05 with QEMU 2.5.0 on Ubuntu 16.04
$ wget https://downloads.raspberrypi.org/raspbian/images/raspbian-2016-05-31/2016-05-27-raspbian-jessie.zip$ wget https://github.com/dhruvvyas90/qemu-rpi-kernel/blob/36ede073f4ccb64f60200ede36c231afe9502070/kernel-qemu-4.4.12-jessie$ unzip 2016-05-27-raspbian-jessie.zip$ sudo losetup -f –show -P 2016-05-27-raspbian-jessie.img$ sudo mkdir /mnt/rpi$ sudo mount /dev/loop0p2 /mnt/rpi# Comment out the line present