You can install ssh on Ubuntu Linux using the apt-get package manager by following these steps: Open a terminal window. Update the package index by running the following command: sudo apt-get update Install ssh by running the following command: sudo apt-get install openssh-server Verify that ssh is installed by checking the version: ssh -v You … Read more

The error “crontab: no crontab for user using an empty one” occurs when you try to edit the crontab file of a user that doesn’t have a crontab file yet. The solution is to create a new crontab file for the user: Open a terminal window. Run the following command to create a new crontab … Read more

Here’s how you can create and use a live USB Fedora Linux media on OS X: Download the Fedora Linux ISO image from the Fedora website. Insert a USB drive into your Mac. Open the Terminal application. Find the disk identifier for the USB drive by running the following command: diskutil list Unmount the USB … Read more

To use the yum command with a proxy server on CentOS, RHEL, or Fedora Linux, you need to modify the /etc/yum.conf file and add the proxy server settings. Here’s how you can do this: Open the /etc/yum.conf file using a text editor: sudo nano /etc/yum.conf Add the following lines to the file, replacing PROXY_HOST and … Read more

The Broadcom b43 BCM43228 wireless adapter can be installed on Fedora Linux using the open-source b43 driver. Here’s how you can install the b43 driver on Fedora: Install the required packages: sudo dnf install kernel-devel sudo dnf install broadcom-wl Load the b43 module: sudo modprobe b43 Verify the installation by checking the output of the … Read more

You can delete all files in a directory except for a few by using the find command with the -delete option and excluding the desired files with the -not option. Here’s an example: find /path/to/directory/ -type f ! -name ‘file1’ ! -name ‘file2’ -delete In this example, the find command will search the directory at … Read more

Adobe Flash Player is not supported on Fedora Linux 19 and later versions due to security and stability issues. Instead, you can use browser plugins such as Pepper Flash or Gnash that support the same functionality. Here’s how you can install Pepper Flash on Fedora: Install the Adobe repository RPM: sudo rpm -ivh http://linuxdownload.adobe.com/adobe-release/adobe-release-x86_64-1.0-1.noarch.rpm Install … Read more

Here’s a step-by-step guide to install the LAMP (Linux, Apache, MariaDB, PHP) stack on CentOS and RHEL 7: Install Apache: sudo yum install httpd Start and enable the Apache service: sudo systemctl start httpd sudo systemctl enable httpd Install MariaDB: sudo yum install mariadb-server mariadb Start and enable the MariaDB service: sudo systemctl start mariadb … Read more

To keep the base system of a FreeBSD 10 system up to date, you can use the binary update (freebsd-update) tool. Here’s how you can use the tool to apply binary updates: Fetch the latest update information: sudo freebsd-update fetch Review the list of updates that will be installed: sudo freebsd-update install If there are … Read more

In Linux, you can redirect error output (stderr) to a file using the following syntax: command 2> file.txt For example, to redirect error output from the ‘ls’ command to a file named ‘error.txt’, you would use the following command: ls non-existent-directory 2> error.txt In this example, the error message generated by the ‘ls’ command, indicating … Read more