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System Configuration

30 articles · Page 1 of 1
Linux Tech Enthusiast
Linux Tech Enthusiast
Jul 5, 2026 · Information Security

Essential Linux System Security Configurations You Must Know

This guide details fourteen essential Linux security hardening steps—including shared account checks, account lock policies, root remote‑login restrictions, password complexity and aging, critical directory permissions, logging, SSH hardening, unnecessary service removal, Ctrl‑Alt‑Del disabling, and patch installation—targeted at Red Hat AS 3/4 systems.

LinuxPAMPatch Management
0 likes · 18 min read
Essential Linux System Security Configurations You Must Know
Linux Tech Enthusiast
Linux Tech Enthusiast
Jan 29, 2026 · Fundamentals

Understanding the Linux /etc Directory: Key Configuration Files Explained

This article walks through the most important files and subdirectories under /etc—such as /etc/profile, /etc/bashrc, user‑specific .bash_* files, /etc/motd, /etc/issue, shadow‑password utilities, fstab and rc.local—explaining when they are executed, what they configure, and how they affect system behavior.

/etcLinuxSystem Configuration
0 likes · 7 min read
Understanding the Linux /etc Directory: Key Configuration Files Explained
Deepin Linux
Deepin Linux
Oct 13, 2025 · Operations

Master Core Dumps: From Generation to Debugging with GDB on Linux

This article explains what a Core Dump is, how Linux generates the ELF‑based snapshot when a program crashes, common causes such as memory errors or signal mishandling, essential system configurations, and step‑by‑step GDB techniques for analyzing and fixing the underlying bugs.

System Configurationcore dumpgdb
0 likes · 35 min read
Master Core Dumps: From Generation to Debugging with GDB on Linux
Liangxu Linux
Liangxu Linux
Oct 29, 2024 · Information Security

Essential Linux Red Hat Security Hardening Checklist: Accounts, Passwords, SSH, and Services

This guide provides a comprehensive step‑by‑step checklist for hardening Red Hat Linux systems, covering shared account detection, redundant account lockout, root remote‑login restrictions, password complexity and lifespan policies, critical directory permissions, default umask settings, audit logging, remote log server configuration, history timestamping, SSH hardening, unnecessary service removal, Ctrl‑Alt‑Del disabling, and patch management.

LinuxRed HatSSH
0 likes · 16 min read
Essential Linux Red Hat Security Hardening Checklist: Accounts, Passwords, SSH, and Services
Ops Development & AI Practice
Ops Development & AI Practice
Jun 11, 2024 · Fundamentals

Mastering GRUB2: How to Configure and Troubleshoot the Modern Bootloader

GRUB2, the widely used second‑generation bootloader, offers multi‑platform support, modular design, and powerful command‑line tools; this guide explains its architecture, boot stages, configuration file syntax, common settings, and practical examples for dual‑boot, troubleshooting, and custom startup options.

BootloaderDual BootSystem Configuration
0 likes · 8 min read
Mastering GRUB2: How to Configure and Troubleshoot the Modern Bootloader
Liangxu Linux
Liangxu Linux
Feb 16, 2023 · Operations

Master Linux Environment Variables: 6 Proven Configuration Methods

This guide explains how to read, set, and persist Linux environment variables—including PATH—using export commands, user‑level files like ~/.bashrc and ~/.bash_profile, and system‑wide files such as /etc/bashrc, /etc/profile, and /etc/environment, while also detailing the loading order and useful tips.

LinuxShellSystem Configuration
0 likes · 12 min read
Master Linux Environment Variables: 6 Proven Configuration Methods
MaGe Linux Operations
MaGe Linux Operations
Feb 14, 2023 · Operations

Master Linux Environment Variables: 6 Proven Configuration Methods

This guide explains how to read and configure Linux environment variables, covering six methods—including export, editing ~/.bashrc, ~/.bash_profile, /etc/bashrc, /etc/profile, and /etc/environment—while detailing the loading order, user vs system scopes, and practical tips for managing PATH and custom variables.

Shell ScriptingSystem Configurationbash
0 likes · 13 min read
Master Linux Environment Variables: 6 Proven Configuration Methods
Open Source Linux
Open Source Linux
Dec 21, 2022 · Fundamentals

Master Linux Environment Variables: Configuration Methods & Loading Order

This guide explains how to read, set, and persist Linux environment variables using various commands and configuration files, compares multiple configuration approaches, and details the exact sequence in which the system loads these files for both user‑level and system‑wide settings.

LinuxShellSystem Configuration
0 likes · 11 min read
Master Linux Environment Variables: Configuration Methods & Loading Order
Programmer DD
Programmer DD
Oct 20, 2022 · Fundamentals

Why Windows Terminal Is Now the Default Terminal in Windows 11

Starting with Windows 11 version 22H2, Microsoft has made Windows Terminal the system's default terminal, replacing the legacy conhost.exe and bringing modern features like tabs, panes, and extensive customization to all command‑line applications.

Default TerminalSystem ConfigurationWindows 11
0 likes · 4 min read
Why Windows Terminal Is Now the Default Terminal in Windows 11
FunTester
FunTester
Aug 12, 2020 · Operations

How to Fix Charles Proxy Helper Installation Error on macOS

This guide explains why Charles fails to install its macOS proxy helper, shows the problematic launch daemon plist, and provides step‑by‑step instructions to locate, edit, and restore the correct configuration so the proxy works again.

CharlesSystem ConfigurationTroubleshooting
0 likes · 3 min read
How to Fix Charles Proxy Helper Installation Error on macOS
iQIYI Technical Product Team
iQIYI Technical Product Team
Aug 2, 2019 · Operations

iQIYI CDN IPv6 Deployment Architecture and Implementation

iQIYI’s CDN scheduling system was redesigned for dual‑stack IPv4/IPv6, adding Anycast DNS, IPv6‑aware probes, and hybrid CDN integration, while upgrading data‑center, backbone, and server configurations through automated SDN and management platforms, enabling over 100 million IPv6 users and gigabit‑scale traffic.

CDNIPv6Operations
0 likes · 18 min read
iQIYI CDN IPv6 Deployment Architecture and Implementation
Efficient Ops
Efficient Ops
Jan 22, 2019 · Databases

Master MySQL Optimization: Proven Strategies, Tools, and System Tuning

An in‑depth guide to MySQL optimization covering the query execution process, risk‑aware philosophy, hardware and system tuning, essential diagnostic tools, practical SQL and index adjustments, and comprehensive configuration settings to boost performance while maintaining stability and security.

MySQLPerformance TuningSQL
0 likes · 17 min read
Master MySQL Optimization: Proven Strategies, Tools, and System Tuning
MaGe Linux Operations
MaGe Linux Operations
Jan 18, 2017 · Databases

What Does China’s 2016 Oracle Database Landscape Reveal?

The 2016 China Oracle Database Usage Report, based on health‑check data from 1,841 instances across 18 industries, provides a multi‑dimensional analysis of version distribution, operating system choices, host and storage configurations, data scale, high‑availability setups, and top failure types, offering a comprehensive view of Oracle adoption and challenges in the Chinese market.

ChinaDatabaseHigh Availability
0 likes · 10 min read
What Does China’s 2016 Oracle Database Landscape Reveal?
Practical DevOps Architecture
Practical DevOps Architecture
Apr 8, 2016 · Operations

Extracting System Configuration Using Linux Commands

This tutorial explains how to capture IP addresses, filter empty lines, count regular files in /bin, copy the inittab file, and count non‑comment configuration lines on a Linux host using standard shell commands such as ifconfig, grep, ls, cp, and wc.

LinuxShellSystem Configuration
0 likes · 4 min read
Extracting System Configuration Using Linux Commands