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Systemd service file contains .service (extension) suffix contains information about a process.

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How to create a systemd service unit for Shell Scripts in Linux

Advanced UNIX commands used in Shell Scripting

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Advanced UNIX commands used in Shell Scripting

What happens when we login/logout in Linux

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What happens when we login/logout in Linux

Linux Troubleshooting top iostat iotop slow server

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Linux Troubleshooting – Why Is the Server So Slow? (Running Out of CPU, RAM, and Disk I/O)

LVM logical volume management

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How to Configure LVM (Logical Volume Management) in Linux

How to Upgrade Ubuntu Server from 18.04 to 20.04 Version

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How to Upgrade Ubuntu Server from 18.04 to 20.04 Version

nginx virtual hosting and ssl configuration

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Virtual Hosting and SSL Configuration in Nginx Web Server in Linux

Setting up Let’s Encrypt SSL Certificate

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Install FREE SSL/TLS Certificate on Apache with Let’s Encrypt on Ubuntu 18.04/20.04

top command in linux

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Troubleshoot with Top Command in Linux with Examples

nginx web browser on ubuntu 18.04 20.04

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How to install NGINX on Ubuntu 18.04/20.04