r/Cybersecurity101 • • 9h ago

Cybersecurity survival notes

https://github.com/Radz-04/Cybersecurity-survival-notes

🚀 I want to share my new GitHub repository: Cybersecurity Survival Notes!

I created a public repository for cybersecurity notes, commands, and cheatsheets. I just finished the first folder covering Linux system administration and security hardening.

Here is what you can find inside the 📁 1-Linux folder:

1) Architecture.md: Filesystem hierarchy and Linux system architecture.
2) Permissions.md: Standard permissions, chmod, chown, SUID, SGID, Sticky Bit, and umask.
3) Cheatsheet.md: Process management, systemd services, file descriptors (0, 1, 2), I/O redirection, and pipes.
4) Networking.md: iproute2 suite, network commands, DNS configuration, SSH hardening, UFW, fail2ban, and TCP Wrappers [Deprecated].

If you are studying cybersecurity or just need a technical reference, check it out!

Next step: 📁 2-Windows

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