What does linux chown mean?

The article explains how to use regular expressions (regex) in Linux for pattern matching, file searching, and text manipulation, detailing syntax, commands, and tools like grep, sed, and awk.

The article provides a guide on setting up two-factor authentication (2FA) for SSH on Linux using Google Authenticator, detailing installation, configuration, and troubleshooting steps. It highlights the security benefits of 2FA, such as enhanced sec

The article discusses using top, htop, and vmstat for monitoring Linux system performance, detailing their unique features and customization options for effective system management.

Article discusses managing software packages in Linux using apt, yum, and dnf, covering installation, updates, and removals. It compares their functionalities and suitability for different distributions.

The article explains how to manage sudo privileges in Linux, including granting, revoking, and best practices for security. Key focus is on editing /etc/sudoers safely and limiting access.Character count: 159

Linux beginners should master basic operations such as file management, user management and network configuration. 1) File management: Use mkdir, touch, ls, rm, mv, and CP commands. 2) User management: Use useradd, passwd, userdel, and usermod commands. 3) Network configuration: Use ifconfig, echo, and ufw commands. These operations are the basis of Linux system management, and mastering them can effectively manage the system.

DebianSniffer is a network sniffer tool used to capture and analyze network packet timestamps: displays the time for packet capture, usually in seconds. Source IP address (SourceIP): The network address of the device that sent the packet. Destination IP address (DestinationIP): The network address of the device receiving the data packet. SourcePort: The port number used by the device sending the packet. Destinatio

This article introduces several methods to check the OpenSSL configuration of the Debian system to help you quickly grasp the security status of the system. 1. Confirm the OpenSSL version First, verify whether OpenSSL has been installed and version information. Enter the following command in the terminal: If opensslversion is not installed, the system will prompt an error. 2. View the configuration file. The main configuration file of OpenSSL is usually located in /etc/ssl/openssl.cnf. You can use a text editor (such as nano) to view: sudonano/etc/ssl/openssl.cnf This file contains important configuration information such as key, certificate path, and encryption algorithm. 3. Utilize OPE