Tuesday, July 14, 2020

ssh to host with frequently changing ip

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In my previous post here I shared how to start an EC2 server and then set DNS for it. So the DNS record...

Linux Commands a to z

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I went for a technical interview yesterday, 1st Oct 2019 and I was asked a question, to name a Linux command for...

Set ulimits for a script started using systemd

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In my previous post I demonstrated how easy it was to start a script on boot usig systemd in Linux. In this...

Queue up multiple instances of a shell script

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In this post, I am going to show you how to queue up multiple instances of a shell script so that only...

ss command to monitor network connections on Linux

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netstat was one of the first commands I used on a Linux server to monitor network connections between servers. However, on a...

mongodb replica set using docker compose – part ii

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In my previous post here I showed how to setup a mongodb replica set using docker-compose. While this worked fine for testing...