Wednesday, March 22, 2023

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 each of...

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 for the...

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 post I...

htpasswd using openssl

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If you search online, how to add Basic Authentication to a Nginx site, you will find most articles refer to using htpasswd, which you...

How To Install Redis on Ubuntu 16.04

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Updated on Nov 15th 2020 Redis is an open source in-memory key-value store known for its performance and flexibility. Redis has built-in replication and can...

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 busy server...