Freaks City

System Environment Host: Windows 10 Pro with VMWare Workstation 15 Pro Guest: CentOS 7.6.1810 (Core) Privilegse: Root user Procedure Refresh the package index and upgrade instaleld packages. yum update -y Install required development libraries and tools. yum groupinstall "Development Tools" -y yum install zlib-devel bzip2-devel ope ...

Von Neumann Architecture Concept of Von Neumann Architecture The Von Neumann architecture, also known as the Princeton architecture, defines a computer design where program instructions and data share the same memory space. This model was proposed by mathematician John von Neumann, who outlined three fundamental principles for computer construc ...

Network Communication Using Sockets on Linux =================== Network Communication with Sockets on Linux Understanding Sockets Types of Sockets Socket Usage Example (SOCK_STREAM) Parameter Explanation 4.1 socket() 4.2 bind() Byte Order Considerations 4.3 listen(), connect() 4.4 accept() 4.5 read(), write(), and related fun ...

Overview Zabbix Proxy acts as an intermediary, collecting performance metrics and availability data from monitored nodes and forwarding them to the central Zabbix Server. This architecture effectively reduces the processing burden on the primary server, facilitates monitoring across isolated network segments, and allows for massive horizontal s ...

Real-time Network Trafffic Monitoring Script #!/bin/bash PATH=/bin:/usr/bin:/sbin:/usr/sbin:/usr/local/bin:/usr/local/sbin; export PATH monitor_interface() { local interface=$1 local os_info=$(sed -n '1p' /etc/issue) if [ ! -d /sys/class/net/$interface ]; then echo "Interface not found" echo "Available interfa ...

Library Files Libraries are collections of precompiled methods that provide ready-to-use variables, functions, or classes. They exist as files on a computer system. Linux supports two types of libraries: static libraries (with .a extension) and shared libraries (with .so extension). The naming convention follows lib[name].a for static libraries ...

Principle of Minimal Operation 1.1 Minimal System Installation When installing the Linux operating system, select only the essential package groups: base--------------------------basic environment editors-----------------------editors development librarys------development libraries development tools---------development tools x software deve ...

Creating Basic Threads in Linux To implement mlutithreading in Linux, we use the POSIX threads library (pthread.h). Here's a basic example: #include <iostream> #include <pthread.h> #include <unistd.h> void* worker_function(void* data); int main() { pthread_t worker_id; int thread_data = 5; if(pthread_create( ...

The pipe operator (|) is one of the most powerful features in Linux, enabling you to chain multiple commands together. This article explores how pipes work, how they differ from redirection, and demonstrates practical filter command usage. How Pipe Operators Work A pipe connects the standard output of one command to the standard input of anothe ...

1. Introduction IT operations often require remote login to servers for maintenance. A well-designed management tool can significantly boost efficiency. Popular options include Xshell, SecureCRT, and PuTTY, but some of these are commercial software. For Arch-based systems like Manjaro, Xshell is not available. Fortunately, there are excellent L ...