Rahul Sahu Hotplugging a CPU involves adding or removing a CPU from a running system without shutting down the system. In Linux, you can hotplug a CPU and disable CPU cores at run time using the following steps: Check if your system supports CPU hotplugging: cat /sys/devices/system/cpu/cpu*/online This command will show the current status of all CPUs … Read more
PHP4 is a very old version of PHP and is not supported anymore. Therefore, it is recommended to upgrade to a newer version of PHP, such as PHP 7.4 or 8.0. However, if you still need to upgrade from PHP4 to PHP5 for some reason, you can follow the steps below: Install the PHP5 packages: … Read more
To configure IPv6 networking on Debian, you can follow these steps: Edit the /etc/network/interfaces file: sudo nano /etc/network/interfaces Add the following lines to the file, assuming your network interface is eth0: iface eth0 inet6 auto This will tell the system to use the automatic IPv6 configuration method, which is called stateless address autoconfiguration (SLAAC). Save … Read more
To reset the root password in MySQL, you can follow the steps below: Stop the MySQL service: sudo service mysql stop Start MySQL in safe mode: sudo mysqld_safe –skip-grant-tables –skip-networking & Connect to the MySQL server: mysql -u root At the MySQL prompt, enter the following commands: use mysql; update user set authentication_string=PASSWORD(“new_password”) where User=’root’; … Read more
You can print a web page from a shell prompt using the lp command. The lp command is used to print files on a Linux system, and can be used to print web pages as well. Here’s how to do it: Open a terminal or shell prompt. Use the curl command to download the web … Read more
To determine which services are enabled at boot on a Linux system, you can use the systemctl command. Follow these steps: Open a terminal or command prompt on your Linux system. Type the following command and press Enter: systemctl list-unit-files –type=service This will display a list of all services that are available on your system, … Read more
To run a command using SSH on a remote server, follow these steps: Open a terminal or command prompt on your local machine. Type the following command: ssh username@remote_host command Replace username with your username on the remote server, remote_host with the hostname or IP address of the remote server, and command with the command … Read more
To make a Samba share writable on a UNIX system, follow these steps: Open the Samba configuration file for editing. The location of this file may vary depending on your system, but it is usually located at /etc/samba/smb.conf. Locate the section of the file that defines the share you want to make writable. This section … Read more
To create a new user account on a UNIX system, follow these steps: Log in to the system with administrative privileges. Open a terminal or command prompt. Type the following command and press Enter: sudo adduser username Replace username with the desired username for the new user account. The system will prompt you to set … Read more
On Linux systems, you can use either /bin/false or /sbin/nologin to deny users from logging into the system. Both of these shells simply print an error message and immediately return control to the calling process, preventing the user from logging in. However, there are some differences between the two: /bin/false: This is a shell that … Read more