I just joined a new Slack workspace, and was growing weary of using the codecogs equation editor just to paste in an image of some latex math into Slack.
It took a bit of effort, but I thought I would document the process for anyone who is curious.

You need:
– Slack, obviously
– A Linux server, accessible from anywhere
– Familiarity with some command line

You see, latex won’t tolerate sunlight, and it also doesn’t breathe like most fabrics do, making heat and humidity a recipe for disaster. The stares I got were varied: some were slack.

I have a digital ocean droplet hosting this webpage, running Ubuntu 16.04.

First, SSH into your server.

Slack-latex requires a Slack API token (for uploading/posting the rendered formulae). It also expects you to provide a Slack slash command verification token, which allows the server to verify that requests indeed came from Slack. Create a config file for slack-latex Start by copying the example config file. An online LaTeX editor that's easy to use. No installation, real-time collaboration, version control, hundreds of LaTeX templates, and more. I have a slack application that responds with formatted data in mrkdwn but it would be nice to have the information presented in table form like so. Am trying to implement this but.

Second, you will probably need an updated version of node. Sonic 3 remastered prototype download.

Third, get mathslax ready.

Fourth, navigate to slack chat -> Workspace name -> Customize slack -> Apps -> Search for Slash Commands, install that integration.
Go to Custom Integrations -> Slash Commands ->Add Configuration
Enter some settings:

yourServerName should be your webpage name; e.g., mine is srmart.in

yourConfiguredPortNumber should be the port that the mathslax server will listen on. E.g., 7777

Write down or copy the Token that is generated for you.

Fifth, in your SSH session or server, create a simple script for launching the mathslax server

Big sean finally famous deluxe edition zip sharebeast. Save that to /usr/local/bin/tex.sh, and mark as executable

Sixth, move mathslax to a location. I did not follow best practices; this should probably be in /opt, /usr/share, or some other directory, but whatever.

Finally, create a systemd services script, and place it in /etc/systemd/system/mathslax.service

Then:

You may need to enable the port in your firewall. If using UFW, then it’s simply sudo ufw allow yourConfiguredPortNumber

In slack, you can then type:

And get an image of those three aligned sampling statements.

Part two. The bot method.

On your server,

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Create a file /usr/local/bin/texbot.sh with:

Create a file /etc/systemd/system/SlackLateX.service with:

Go to your slack chat workspace -> Apps -> Install Slack bots -> Add configuration:

Copy the API token, paste it into /usr/local/bin/SlackLateX/secret.txt

Then simply invite latexbot into the channel, and start the bot sudo systemctl start SlackLateX

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Now you can type $pi$ to get a rendering of the pi symbol (or any other latex equation). This method improves upon the first method because it’s channel-specific, and you can edit latex code, which will re-render.