To show mounted file systems in FreeBSD Unix, you can use the mount command. The mount command displays information about mounted file systems, including the file system type, mount point, and options. To view the list of mounted file systems, run the following command in the terminal: mount This will show a list of all … Read more
To configure a site-to-site IPsec VPN tunnel for remote access in pfSense, follow these steps: Log in to the pfSense web interface and go to VPN > IPsec. Click the “Add P1” button to create a new Phase 1 configuration. In the General Information tab, fill in the following details: Key Exchange version: IKEv2 Remote … Read more
To install the Memcached server on Ubuntu Linux 12.04/14.04 LTS for Python and PHP applications, you can follow these steps: Update the package list: sudo apt-get update Install Memcached: sudo apt-get install memcached Install the Python Memcached library: sudo apt-get install python-memcache Install the PHP Memcached extension: sudo apt-get install php5-memcache Restart the Apache web … Read more
To edit and open files that require administrator privileges on Ubuntu Linux, you can use the sudo command to run a text editor with elevated privileges. The most commonly used text editors on Ubuntu are nano and vi. For example, to edit the /etc/sudoers file using nano, run the following command: sudo nano /etc/sudoers And … Read more
To use ssh-copy-id with an OpenSSH server listening on a different port, specify the port number using the -p option followed by the port number. For example: ssh-copy-id -p <port_number> user@hostname Here, port_number is the number of the port on which the OpenSSH server is listening, user is the username for the account on the … Read more
To change the disk label on an EXT2, EXT3, or EXT4 file system in Linux, you can use the e2label command. Here’s an example of how to change the label of an EXT4 file system located on the /dev/sda1 device to new_label: sudo e2label /dev/sda1 new_label After running this command, you can verify that the … Read more
To find out which programs are listening on a given port number on a FreeBSD Unix system, you can use the sockstat command. Here’s an example to find the program listening on port 80 (HTTP): sockstat -4l | grep :80 The sockstat command displays information about active sockets, and the -4 option specifies that you … Read more
To mount a remote directory using SSHFS on a Linux system, follow these steps: Install the sshfs package, which provides support for mounting remote directories via SSH: sudo apt-get update sudo apt-get install sshfs Create a mount point for the remote directory, for example: sudo mkdir /mnt/remote Mount the remote directory using the sshfs command: … Read more
To patch and protect against the OpenSSL vulnerabilities (CVE-2015-0291 and CVE-2015-0204) discovered in March 2015, you need to update to a version of OpenSSL that includes fixes for these vulnerabilities. The specific steps for updating OpenSSL depend on the operating system you’re using and the package manager you have installed. Here are the general steps … Read more
To find if a package installed through APT on Debian/Ubuntu Linux includes a fix for a specific Common Vulnerabilities and Exposures (CVE) number, you can use the following steps: Update the package information database: sudo apt update Install the apt-show-versions package, which provides information about the installed versions of packages and the available upgrades: sudo … Read more