WSL Command Reference wsl # Launch Ubuntu shell wsl --list # Show installed Linux distributions wsl --shutdown # Terminate all Linux instances wsl -l -v # Display version and state of each distribution Core Linux File Commands Directory Navigation cd /home/user # Navigate to specified home directory...
Prerequisites and Installation Verify system requirements before procedeing. Docker Engine relies on specific kernel features (Linux 3.10+ for Centos 7). Environment Verification # Check kernel version uname -r # Confirm OS details cat /etc/os-release Setup Process Access the official documentation...
Keepalived Overview Keepalived is a routing software written in C that provides load balancing and high availability capabilities for Linux systems and Linux-based infrastructures. The software achieves two primary functions: Load Balancing - Distributes network traffic across multiple servers High...
When establishing an SSH connection to a remote server with the ssh <remote_user>@<host_ip> command, two interactive prompts typically appear for first-time access: a host key verification prompt requiring manual entry of "yes", followed by a password input prompt for the remot...
Creating and Using Shared Libraries (.so) on Linux Overview A shared library, known as a dynamic linking library in Linux, is a file that can be loaded into memory at runtime rather than being linked during compilation. This approach reduces executable size and enables centralized updates of librari...
Package Management For RHEL and CentOS systems, invoke the package manager: yum install docker -y Debian and Ubuntu distributions utilize the following commands: apt-get update && apt-get install docker.io -y Resolving Dependency Locks If installation halts due to repository conflicts, ident...
Configuring Static Asset Paths in Spring Boot Applications When deploying Java applications on Linux servers, properly handling paths for static resources like images is essential for reliable operation. This guide covers the standard approach for configuring and accessing image resources in a Sprin...
Registers and Process Context Consider a basic C function: int calculate_total(int a, int b) { int result = 0; result = a + b; return result; } int main() { int value = calculate_total(5, 7); return 0; } Local variables on the stack disappear after the function returns. The fact that callers can sti...
CPU Information Checking CPU Architecture # Determine if the system is 32-bit or 64-bit getconf LONG_BIT Verifying 64-bit Support cat /proc/cpuinfo | grep flags | grep ' lm ' | wc -l Displaying CPU Details lscpu Example Output - 4 cores, 4 threads: Architecture: x86_64 CPU(s): 4 Thread(s) per core:...
Introduction The Venus VM is suitable for beginners starting CTF and wanting to practice Linux skills. Target URL: https://hackmyvm.eu/venus/ There are 50 missions, submitting these 50 flags counts as completion. (Currently, the top-ranked player has submitted 58 flags.) Login: ssh hacker@venus.hack...
