Tutorials on Linux, Programming & Technology

What Does -z Mean in Bash

What Does -z Mean in Bash?

The “z” is the operator in the Bash script considered for checking whether the variable is empty or not utilized in the “if” conditions.

How to Use GoToMeeting in Linux

How to Use GoToMeeting in Linux?

There is no official support for GoToMeeting on Linux but can be used through the online web application on the Chrome browser only.

How to Install CUDA on Ubuntu 22.04

How to Install CUDA on Ubuntu 22.04?

To install CUDA on Ubuntu, execute the “sudo apt install nvidia-cuda-toolkit” command. Before it, check the status of the GPU that supports the CUDA or not.

How Can I Generate Unix Timestamps

How Do I generate Unix timestamps?

In Linux, the timestamp is generated through the date command, bash script, and the python module in various formats like “Year-Month-Day Hour-Minutes-Seconds”.

What is the Purpose of bin Directory

What is the Purpose of bin Directory

The “bin” directory contains the executable binary files of various types which depend upon the location where the “bin” directory exists.

Emulating a do-while loop in Bash

Emulating a do-while loop in Bash

The user can emulate the do-while loop in the bash script using the while loop syntax with “do”
that executes when the condition is true.

Mount a CIFS Share

How Do I Mount a CIFS Share?

The CIFS share is mounted when the mount command is used with the cifs-utility. To automatically mount, credentials are added in the/etc/fstab file.

What Does_Mean in Bash

What Does <<< Mean in Bash?

In Bash, the “<<<” operator means “here strings.” It allows users to pass a string as the standard input to a command via the “command <<< string” syntax.

How to Test a PHP Script in Linux

How to Test a PHP Script in Linux?

To test the PHP script in Linux, create a .php script file and run the “php script_name.php” command. Also, users can access the script file in the web browser.

How to Parse HTML Using Python

How to Parse HTML Using Python?

The “BeautifulSoup” module, “PyQuery” module, and “lxml” module supported various functions that are used to parse HTML in Python.

What is set -e -o pipefail in Linux

What is set -e -o pipefail in Linux?

The set command is used to configure the behavior of the shell, and the -e and -o pipefail options are used to control the execution of subsequent commands.

How to Define Hash Tables in Bash

How to Define Hash Tables in Bash?

In Bash, the hash table is the associative array which is defined using the declare command along with the “A” flag by specifying the array name.