cannot perform readlinkat() on the mount namespace file descriptor of the init process: Permission denied

Installed kernel 4.18 on my Ubuntu recently, since then snap packages broke with the following error. It has something to do with the AppArmor exception rule for ptrace for what I could gather.

The workaround for now is to upgrade your snap core to the beta channel.


What is my Gnome Shell version?

What version of the GNOME Shell am I running? You can quickly find out your GNOME Shell version be running “gnome-shell –version” danesh@r2d2:~$ gnome-shell –version GNOME Shell 3.8.2 This is also an indicator to which version of GNOME you are running.

How To Install Spotify In Ubuntu

Follow this guide and you’ll get to enjoy Spotify’s Linux client. Note that it’s a preview release and is unsupported. Create a new source file for the Spotify repository. # sudo vi /etc/apt/sources.list.d/spotify.list Add the following line into the source file. Add Spotify’s public key so that you can verify Spotify’s packages. sudo apt-key adv…

How to install GIMP 2.8 in Ubuntu 12.04 LTS

The default GIMP package that comes with Ubuntu 12.04 is 2.6. However, if you’d rather have the latest version 2.8 here’s how you can get it. 1. Remove the existing GIMP package. sudo apt-get autoremove gimp gimp-plugin-registry 2. Add the unofficial GIMP 2.8 PPA sudo add-apt-repository ppa:otto-kesselgulasch/gimp 3. Update your sources and install GIMP 2.8…

How to install Virtualbox on Ubuntu 12.04 LTS Precise Pangolin

1. Download and install Oracle’s public key. danesh@python:~$ wget -q -O- | sudo apt-key add – 2. Create a repo file for Virtualbox danesh@python:~$ sudo -s  echo “deb precise contrib” >> ~/virtualbox.list danesh@python:~$ sudo mv ~/virtualbox.list /etc/apt/sources.list.d/ 3. Install Virtualbox danesh@python:~$ sudo apt-get update danesh@python:~$ sudo apt-get install dkms danesh@python:~$ sudo apt-get install…