Command Line

8 tips command-line
8 Total Tips
3 Beginner
5 Intermediate
Linux useradd Command: Complete Guide to Professional User Creation The linux useradd command serves as the foundation for professional user management across all Unix-like systems. Modern system administrators require sophisticated user creation techniques that go beyond basic account setup. Understanding advanced useradd options separates casual Linux users from enterprise-level professionals managing complex infrastructures. Traditional user […]
Bash
sudo useradd -m -s /bin/bash -G sudo,docker,www-data -c "Development User"...
July 15, 2025 nirvanazenit
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Master the Linux cat Command: Beyond Basic File Viewing to Professional Log Analysis The linux cat command is far more powerful than most users realize. It extends well beyond simple file display into sophisticated data processing and debugging workflows. While beginners use cat for basic file viewing, professionals leverage advanced techniques for log analysis, file […]
Bash
cat -n /var/log/nginx/error.log | grep -E "(404|500|503|502)"
July 13, 2025 nirvanazenit
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Master the Linux cp Command: The Ultimate Guide to Safe File Copying The linux cp command is one of the most fundamental yet underestimated tools in every Linux user’s toolkit. While most users rely on basic copying, professionals leverage advanced cp techniques for safe, efficient file management. Whether you’re a developer protecting source code or […]
Bash
cp -riv my-site/ my-site-backup/
July 12, 2025 nirvanazenit
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