Can Any One Say How to Install the Slack in Ubuntu14.04 and While Trying This Was the Error

Error while installing slack on ubuntu 14.04

It seems you have a previous slack version already installed. Try removing it

sudo apt-get remove slack

then repeat the installation.

Error while installing slack on ubuntu 14.04

It seems you have a previous slack version already installed. Try removing it

sudo apt-get remove slack

then repeat the installation.

Concourse Worker Failure on Ubuntu 14.04

For reasons that I still do not understand, it appears that if you specify the --work-dir value to be /opt/concourse/worker, then the worker will work with this kernel version without issue.

I was using a relative path to a worker directory within a dir in my user folder as my --work-dir value.

Exception while Installing Spinnaker

The Google Spinnaker Cloud Launcher indeed appears to be broken. I recently tried several times to deploy Spinnaker using it and experienced the same issues as you.

When you say:

Now trying to install using steps mentioned in https://github.com/spinnaker/spinnaker.

do you mean you're setting up the development environment? That's meant to be used when you actually want to write code for Spinnaker, not for normal use of the project.

The recommended way of getting a running Spinnaker installation is to use Halyard, the Spinnaker deployment tool.

Python modules/packages can only be seen by a particular version of python 3 (Ubuntu 14.04.6)

You are using an unofficial repository so using apt-get python3-foopackage will not install foopackage in python3.6 but in system python3, so in my previous answer I pointed out that you must install pip to install pyqt5 (an old version pyqt5), and you should do the same with pyudev:

sudo add-apt-repository ppa:deadsnakes/ppa
sudo apt-get update
sudo apt-get install python3.6
sudo apt-get install curl
curl https://bootstrap.pypa.io/get-pip.py -o get-pip.py
sudo python3.6 get-pip.py
sudo python3.6 -m pip install --upgrade pip
sudo python3.6 -m pip install pyqt5==5.9.2
sudo apt-get install '^libxcb.*-dev' libx11-xcb-dev libglu1-mesa-dev libxrender-dev libxi-dev libxkbcommon-dev libxkbcommon-x11-dev libfontconfig1
sudo python3.6 -m pip install pyudev

and then you run your script using python3.6, not python3.

python3.6 myscript.py

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