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An Overview of Source Command in Linux with Examples ?
This article covers how to use the source command in Linux. source reads and executes commands from file filename in the current shell. If filename does not contain a slash, directories in PATH are searched for filename.
Using source to execute the commands in a file is not the same as running a script. For one thing, the file does not need to be executable (e.g., with chmod u+x). For another, the commands will execute in the current shell environment; for example, any variables set will retain their value after the source is finished executing.
Source Command Syntax
The source command uses the following syntax:
$ source [filename] [arguments]Where:
- [filename]: The name or path to the file you want the source command to execute.
- [arguments]: Any arguments you provide become positional parameters when the file is executed.
Install Eclipse IDE on Linux Mint 20 - Step by Step Process ?
This article covers steps to install Eclipse IDE on your LinuxMint 20 system. Eclipse is a well-known, widely used IDE (Integrated Development Environment) for developing Java applications and also developing applications in COBOL, Ada, C, C++, Perl, PHP, Python, R, Ruby, Clojure, Scala, Groovy, and Scheme.
To launch eclipse from the terminal use the command :
$ eclipse
Check Internet speed from command line in Linux Mint
This article covers different ways to measure and monitor your internet bandwidth in Linux Mint System. Speedtest CLI is a command-line tool that is tailored for system administrators and developers, and command-line enthusiasts. It provides the capability of checking the internet speeds straight from your Linux terminal.
Speedtest CLI allows you to do the following:
- Check the bandwidth performance including metrics such as download, upload, and packet loss.
- Check the connection from your PC or even a remote server and IoT devices such as Raspberry Pi.
- Configure scripts to collect speed test results over a period of time.
- Save results in CSV or JSON.
How to Check version of Speedtest-cli in Linux Mint ?
To check the version of the Speedtest-cli tool, run the command:
$ speedtest-cli --version
Install PgAdmin 4 on Rocky Linux 8 - Step by Step Process ?
This article covers how you can Install and easily get started with PgAdmin4 for your Linux system. pgAdmin is an advanced, open-source, full-featured, and web-based administration and management tool for the PostgreSQL database server.
Install Laravel on Ubuntu 20.04 - Step by Step Process ?
This article covers steps to Install and Set up Laravel Application on your Ubuntu Linux System. Laravel is a widely used open-source PHP framework for web application development. The MVC (Model-View-Controller) architectural pattern is implemented in Laravel.
How to Install and Manage Apache Web Server on Ubuntu?
1. Update all available repositories on your system and install the Apache webserver using the apt command below:
$ sudo apt update
$ sudo apt install apache22. Start the Apache service and add it to the system boot:
$ systemctl start apache2
$ systemctl enable apache23. Now check the Apache service status using the following command:
$ systemctl status apache2
Hwinfo Command in Linux - An Overview ?
This article covers how to use the hwinfo command in Linux. hwinfo command reports information about CPU, RAM, keyboard, mouse, graphics card, sound, storage, network interface, disk, partition, bios, and bridge, etc,.
The hwinfo utility displays the following information:
- CPU : manufacturer, model, frequency
- Motherboard : manufacturer, model, BIOS version, on-board controller
- RAM : RAM size, RAM type (FP, EDO, SDRAM, DDRAM)
- Hard disk controller : SCSI, IDE, on-board/card, model, BIOS version, chipset
- Hard disks : type, manufacturer, model, size, bus system (SCSI, IDE), partitioning
- CD-ROM drives : type, manufacturer, model, speed, internal/external, parallel port?
- Other media : CD writer, streamer (model, manufacturer, SCSI/EIDE/floppy streamer, capacity), ZIP drives, Jaz drives, MO drives, flopticals
- Graphics card : model, manufacturer, chipset, memory (DRAM, VRAM), memory size
- Other peripherals : printer, parallel ports, serial ports, modem, ISDN card
