How to connect to my sql database via sqlworkbench

I am very new to digital ocean and also Linux VMs, I am helping a colleague who would like to access a database, the original person who created the site/database etc, is no longer around.

I have so far managed to get into the vm and find all the code for the website, but I am at a loss on how we can actually connect to the database, there are a couple of changes they would like to make which could easily be done with access to the database.

The application is an ASPNET application and in the settings file, I have the connection string,

“User ID=adi_net;Password=*********;Server=localhost;Port=5432;Database=adi_net3;Integrated Security=true;Pooling=true;”

How is the best way to connect to this database? I have sqlworkbench installed on my own machine, is there a way to connect to it from this?


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September 5, 2022

Hi @dannyjebb,

You can connect to the Database from the Droplet itself.

First, see what Database it’s being used(it’s not that essential but it’s good to know for future use). To see that, SSH to the Droplet and type in:

  1. netstat -tulpen | grep 5432

What running on that port should be the DB.

Now, in order to connect to it with SQLworkbench, you need to allow your IP address to access this port - 5432.

If you are using UFW, here is the command:

  1. sudo ufw allow from XXX.XXX.XXX.XXX to any port 5432

If you are using IPTABLES, the command is:

  1. sudo iptables -A INPUT -p tcp -s XXX.XXX.XXX.XXX/24 --dport 5432 -m conntrack --ctstate NEW,ESTABLISHED -j ACCEPT
  2. sudo iptables -A OUTPUT -p tcp --sport 5432 -m conntrack --ctstate ESTABLISHED -j ACCEPT

In both commands, you’ll need to replace XXX.XXX.XXX.XXX with your actual IP address you are connecting from.