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
The error message “EE Failed to load module ‘fbdev’ (module does not exist, 0)” typically occurs when trying to start the X Window System on a FreeBSD system, and it indicates that the fbdev module, which is used to provide graphics support for the X server, is missing. To resolve this issue, try the following … Read more
To install GCC (GNU Compiler Collection) and development tools on CentOS/Red Hat Enterprise Linux (RHEL) 7, follow these steps: Install the Development Tools package group: sudo yum groupinstall “Development Tools” This will install GCC, as well as other commonly used development tools such as make, automake, and others. Verify the installation by checking the version … Read more
To connect to an Amazon AWS EC2 instance from a CentOS or Red Hat Enterprise Linux (RHEL) system using an SSH client, follow these steps: Verify that you have the ssh client installed on your local system: which ssh Obtain the public DNS name or IP address of the EC2 instance that you want to … Read more