Failed to set locale, defaulting to C warning message on CentOS Linux when running yum

The “Failed to set locale, defaulting to C” warning message is displayed when the system cannot detect the correct locale setting for your environment. This can cause issues with applications like Yum, as it relies on correct locale settings. To resolve this issue, you need to set the correct locale in your environment. (https://pragermetis.com) To … Read more

How to install Node.js on Ubuntu Linux 16.04 LTS server

To install Node.js on an Ubuntu 16.04 LTS server, follow these steps: Update the package list: $ sudo apt-get update Install the required build tools: $ sudo apt-get install build-essential Download and run the Node.js installation script: $ curl -sL https://deb.nodesource.com/setup_14.x | sudo -E bash – Install Node.js: $ sudo apt-get install nodejs Verify the … Read more

How to install and use vtop graphical terminal activity monitor on Linux

vtop is a free and open-source terminal-based activity monitor for Linux. It provides a graphical interface to display system information, including CPU usage, memory usage, and process information. Here is how to install and use vtop on Linux: Install Node.js and npm (Node Package Manager) on your system, as vtop is built on Node.js. Install … Read more

How to check whether AMT is enabled and provisioned under Linux

AMT (Active Management Technology) is a remote management technology used in Intel-based computers. To check whether AMT is enabled and provisioned under Linux, you can follow these steps: Install the Open Manageability Command Line Interface (AMT CLI) package: $ sudo apt-get install intel-cmt-cat Use the intel-cmt-cat command to check the status of AMT: $ intel-cmt-cat … Read more

How to analyze Nginx configuration files for security misconfiguration on Linux/ Unix

There are several steps to analyze Nginx configuration files for security misconfigurations on Linux/Unix: Review the Nginx documentation to understand the recommended secure configuration options. Check for common security misconfigurations such as: Listening on an unsafe IP address or port. Not using SSL/TLS encryption for sensitive data. Not setting up access control for sensitive content. … Read more

How to get domain name from URL in bash shell script

Here’s a simple bash script to extract the domain name from a URL: #!/bin/bash # Input URL url=”$1″ # Extract domain name using parameter expansion and pattern matching domain=${url#*//} # remove everything up to the first double slashes domain=${domain%%/*} # remove everything after the first slash # Output the extracted domain name echo “Domain name: … Read more

10 Alpine Linux apk Command Examples

Here are 10 examples of using the apk command in Alpine Linux: Search for a package: apk search [package-name] Install a package: apk add [package-name] Upgrade an installed package: apk upgrade [package-name] Remove an installed package: apk del [package-name] Update the list of available packages: apk update Show information about an installed package: apk info … Read more