Linux – Page 6 – ITFROMZERO – Share tobe shared!

Managing /etc Configuration with etckeeper: A Safety Net for Every SysAdmin

By admin June 10, 2026

Stop worrying about misconfiguring system files. Learn how to use etckeeper to manage /etc with Git, allowing you to track history and restore Linux configurations in seconds.

Network

Mastering hping3: Advanced Techniques for Firewall Bypassing and Deep Network Diagnostics on Linux

By admin June 10, 2026

Don't be fooled by the Ping command. Learn how to use hping3 to craft custom packets, bypass firewalls, and perform deep network diagnostics like a pro SysAdmin.

Network

Mastering frp (Fast Reverse Proxy): How to Bypass NAT and Firewalls for Remote Server Access

By admin June 8, 2026

A detailed guide on using frp (Fast Reverse Proxy) to expose local services like Web, SSH, and RDP to the Internet, securely bypassing NAT and ISP firewall restrictions.

Linux

Configuring systemd-boot for Linux: Faster, Sleeker, and Much ‘Cleaner’ Than GRUB2

By admin June 8, 2026

Forget GRUB2; systemd-boot is the future for Linux users who love minimalism. Here is a detailed guide on how to install, configure, and automate this ultra-lightweight bootloader for UEFI systems.

Network

Stunnel: The TCP Connection Encryption ‘Lifesaver’ for Legacy Services on Linux

By admin June 7, 2026

Stunnel is an optimal security solution for encrypting TCP connections for legacy services that don't support SSL/TLS. This article provides a detailed configuration guide and practical operation tips on Linux.

Network

Configuring Dante SOCKS5 Proxy on Linux: 6 Months of ‘Real-World’ Experience and Hard-Learned Lessons

By admin June 6, 2026

Practical experience installing and optimizing Dante SOCKS5 Proxy for a team of 50. This guide covers ACL configuration, user security, and avoiding common log file or DNS leak issues.

Linux

AutoFS on Linux: Automatically Mount and Unmount Network Drives (NFS/Samba) Flexibly and Reliably

By admin June 5, 2026

AutoFS is the perfect fstab replacement for mounting NFS/Samba network drives on Linux. This guide covers detailed configuration for automatically mounting on demand and unmounting when idle, keeping your server stable and preventing hangs.

Network

Configuring VRF on Linux: A ‘Divide and Conquer’ Solution for Routing Tables

By admin June 5, 2026

Manage multi-tenant networks more effectively with VRF on Linux. Learn how to isolate routing tables, handle IP conflicts, and run isolated applications.

Network

Installing SoftEther VPN on Linux: A Powerful ‘All-in-One’ VPN Solution

By admin June 4, 2026

Forget OpenVPN or WireGuard—SoftEther VPN is the ultimate all-in-one solution for businesses. It supports L2TP, SSTP, OpenVPN, and excels at bypassing firewalls.

Linux

Mastering /proc and /sys: Inspecting Linux Internals Without Third-Party Tools

By admin June 3, 2026

Explore the power of /proc and /sys on Linux. Learn how to read process info, configure the kernel, and monitor hardware directly from the command line without installing extra software.