Authentication and authorization are two distinct concepts in computer security that are often used together to control access to resources. Although they are related, they serve different purposes. Authentication refers to the process of verifying the identity of a user or a system. This process is used to ensure that the person or entity accessing … Read more
To install the glib-devel package on CentOS, follow these steps: Open a terminal on your CentOS system. Use the yum package manager to search for the glib-devel package: sudo yum search glib-devel This will display a list of packages related to glib-devel. Make sure to choose the correct package based on your system’s architecture. Install … Read more
To install and configure SSH on CentOS, follow these steps: Install SSH server: Open a terminal and run the following command to install the SSH server: sudo yum install openssh-server Start the SSH service: After the installation is complete, start the SSH service by running the following command: sudo systemctl start sshd Enable SSH service … Read more
Solaris provides several features to help protect against buffer overflows, which are a common type of security vulnerability. Here are some of the key features: Stack protection: Solaris includes a technology called StackGuard, which is designed to prevent stack buffer overflows. StackGuard adds a random value (called a canary) to the stack frame of a … Read more
To configure an NTP client and server on CentOS or Red Hat Linux, follow these steps: Install the NTP package on the server: sudo yum install ntp Edit the NTP configuration file /etc/ntp.conf: sudo nano /etc/ntp.conf In the server section, add one or more NTP servers that the client should synchronize with. For example, to … Read more
To disable USB storage devices on a Linux system, you can prevent the usb-storage driver from loading. This will prevent USB mass storage devices (such as USB flash drives or external hard drives) from being recognized by the system. Here are the steps to do this: Open a terminal window and become the root user … Read more
Here are the steps to configure mod_python on Apache web server on Debian or Ubuntu Linux: Install Apache web server and mod_python package: sudo apt-get install apache2 libapache2-mod-python Enable mod_python module: sudo a2enmod python Restart Apache web server to apply changes: sudo systemctl restart apache2 Create a new directory for your mod_python application in /var/www: … Read more
To change the txqueuelen parameter of an active network interface in Linux, you can use the ifconfig or ip command. Using ifconfig: Open a terminal and enter the following command to display the current network interfaces: ifconfig -a Identify the interface for which you want to change the txqueuelen parameter. Enter the following command to … Read more
The txqueuelen parameter in Linux is used to set the size of the transmit queue of a network interface. The default value is usually 1000 packets. (beckerentandallergy.com) To set the txqueuelen parameter for a network interface in Linux, you can use the ifconfig command or the ip command. Using ifconfig: Open a terminal and enter … Read more
If you’ve lost the MySQL admin password, you can reset it by following these steps: Stop the MySQL server: sudo systemctl stop mysql Start the MySQL server with the –skip-grant-tables option to skip the permission check: sudo mysqld_safe –skip-grant-tables & Connect to the MySQL server as the root user without a password: mysql -u root … Read more