July 2020 – CodeMarvels

Fix : The repository ‘http://archive.ubuntu.com/ubuntu disco-backports Release’ no longer has a Release file.

Posted on July 26, 2020 by Sreekumar Kj

Issue : When doing an apt update, we get the this error.The repository ‘http://archive.ubuntu.com/ubuntu disco-backports Release’ no longer has a Release file. ...

notes/technology

Cannot connect to DB from a process inside Docker container ? This could fix it.

Posted on July 19, 2020 by Sreekumar Kj / 0 Comment

I had recently hit a blocker to production deployment, when my processes just won’t connect to my Cassandra DB from within their containers. This is how I could...

notes/technology

Open ports in Ubuntu’s firewall using IP Tables

Posted on July 14, 2020 by Sreekumar Kj

On the terminal, do the following to open port 80 sudo iptables -A INPUT -p tcp --dport 80 -j ACCEPT sudo iptables -F Persisting the rule changes across boot cy...