How to install SLACK on Debian 11 Bullseye Linux

Here are the steps to install Slack on Debian 11 Bullseye or 10 Buster Linux using the command line terminal.

Slack is a popular Online instant messaging service application that stands for “Searchable Log of All Conversation and Knowledge”, yes, in short, “Slack”. It has been developed by the US-based company “Slack Technologies” mainly used to handle communication processes within workgroups and project teams.

Slack can also be seen as an alternative to other team messengers and project management tools such as Microsoft Teams, Stackfield, Circuit, or Rocket. Its business model corresponds to the well-known “freemium” model. That means it offers multiple plans including the free one that offers access to 10,000 of your team’s most recent messages; 1:1 voice and video calls between teammates and 10 integrations with other apps like Google Drive, Office 365, and many more.

Whereas to get more features,  small teams to big businesses to enhance productivity the users have to go for premium plans.

Steps to install Slack on Debian 11 or 10

The steps are given below for the installation of Slack on Debian Linux will also work for Ubuntu (18.04|19.04|20.04|21.04), Linux Mint, Kali Linux, POP!OS and more…

Download Slack for Debian 64-Bit

On your Debian 11 or 10 Linux open browser and visit the Slack official website download page. There you will see the Linux package to download, click on the Debian App one.

Download Slack for Linux Debian 11 1

 

Switch to Downloads

As we are using a browser to download the file, hence whatever we download using it by default goes into the system’s “Downloads” directory. Therefore, switch to that.

cd Downloads

After that, you can check whether the downloaded file is there or not.

ls

 

Use APT to install Slack App on Debian 11 or 10

So, we have the file, now either using the APT package manager or DPKG command we can install easily the Slack app on our Debian and its based Linux distros.

sudo apt install ./slack*amd64.deb

If you get an error on Debian 11: 

The following packages have unmet dependencies:
slack-desktop : Depends: libappindicator3-1 but it is not installable

Then install two extra packages given below:

1. Download and install – libindicator3-7

wget http://ftp.mx.debian.org/debian/pool/main/libi/libindicator/libindicator3-7_0.5.0-3+b1_amd64.deb

If the above link doesn’t work then get the new one from its package page.

Install it:

sudo apt install ./libindicator3-7_*_amd64.deb

2. Download and install – libappindicator3-1 

wget http://ftp.mx.debian.org/debian/pool/main/liba/libappindicator/libappindicator3-1_0.4.92-7_amd64.deb

You can go for other mirrors if the one given in the above command doesn’t work, from the package page.

Install it:

sudo apt install ./libappindicator3-1_*_amd64.deb

Now, again run the Slack Installation command and this time it will be on your Debian 11 system.

sudo apt install ./slack*amd64.deb

 

Run Slack

Go to all Applications and search for this app. As its icon appears, click the same to run the app.

Install Slack on Debian 11 or 10

 

2nd Method:

Install Slack using SNAP

If you don’t want to go for all the above steps then use SNAP:

sudo apt update
sudo apt install snapd
sudo snap install core

Restart the system and install it:

sudo snap install slack --classic

 

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