To skip the first two fields and print the rest of the line using awk or cut, you can use the following command: With awk: $ awk ‘{$1=$2=””; print $0}’ input_file With cut: $ cut -d’ ‘ -f3- input_file Replace input_file with the name of your input file. The awk and cut commands will read … Read more

In Nginx, you can use the return directive to redirect a URL with the HTTP/1.1 301 Moved Permanently header. Here’s how: Open the Nginx configuration file: $ sudo nano /etc/nginx/nginx.conf Add the following code to the server block for the domain you want to redirect: server { listen 80; server_name <old_domain>; return 301 $scheme://<new_domain>$request_uri; } … Read more

To install the Firefox web browser on OpenBSD, you can use the pkg_add command. Here’s how: Open a terminal window. Update the package list: $ sudo pkg_add -u Install Firefox: $ sudo pkg_add firefox This will download and install the latest version of the Firefox web browser. Start Firefox: $ firefox & This will start … Read more

To download a password-protected large ISO image in Linux, you’ll need to provide the authentication credentials (username and password) to the server. The following is a general guideline for downloading a password-protected ISO image: Open a terminal window. Use the wget command to download the ISO image: $ wget –user=<username> –password=<password> <URL_of_the_ISO_image> Replace <username> and … Read more

The error message -bash: sudo: command not found means that the sudo command is not installed or not in your shell’s PATH. sudo is a command that allows users to run commands with elevated privileges (as the superuser). Here are some steps to resolve the error: Check if sudo is installed: $ which sudo If … Read more

To delete or remove the Master Boot Record (MBR) in Linux, you can use the dd command. The dd command can be used to overwrite the MBR with zeros or other data. Here’s how you can use dd to delete the MBR: Determine the device name of the disk you want to delete the MBR … Read more

Here’s how to create a Slackware Linux bootable USB pen drive: Insert the USB pen drive into your computer. Determine the device name of the USB pen drive: $ lsblk In this example, the USB pen drive is /dev/sdb. Make sure to replace this with the device name of your USB pen drive. Unmount the … Read more

To stop or interrupt the cp or mv command in Linux or Unix, you can use the CTRL + C keyboard combination. CTRL + C sends the SIGINT signal to the process, which tells it to stop its execution immediately. If the cp or mv command is in the middle of copying or moving a … Read more

The error “Installed (but unpackaged) file(s) found” in rpmbuild typically occurs when you are building an RPM package and there are files that are installed on the system, but they are not specified in the RPM specification file (.spec file). This means that the files will not be included in the RPM package, and when … Read more

To install Adobe Flash Player on Red Hat Enterprise Linux (RHEL) 6 or CentOS 6 for the Firefox browser, you can follow these steps: Install the required dependencies: $ sudo yum install nspluginwrapper alsa-plugins-pulseaudio libcurl Download the Adobe Flash Player for Linux from the official Adobe website: $ wget https://fpdownload.adobe.com/get/flashplayer/pdc/27.0.0.187/flash-player-27.0.0.187-release.x86_64.rpm Install the Adobe Flash Player … Read more