sysadmin – ITFROMZERO – Share tobe shared!

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

Scan Millions of IPs Instantly with Masscan: Speed, Power, and Critical Precautions

By admin June 6, 2026

Learn how to use Masscan to scan millions of IPs in minutes. This article covers speed optimization, JSON output, and best practices to avoid network crashes during large-scale scans.

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.

Virtualization

Optimize Proxmox VE in 5 Minutes with Helper Scripts: Remove Subscription Nag and Configure Standard Repos

By admin June 4, 2026

Forget tedious manual configurations. This guide shows you how to use Helper Scripts to remove the Subscription nag and optimize Proxmox VE in just minutes.

Virtualization

Mount and Edit qcow2, vmdk Files Directly on Linux Using NBD: Fast, Simple, No VM Boot Required

By admin June 4, 2026

Forget booting rescue ISOs! This guide shows you how to mount qcow2 and vmdk files directly to a Linux host using NBD to fix configs and recover VM data in minutes.

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.

Security

Mastering Linux PAM: Hardening Passwords and Stopping Brute-force Attacks for Your Server

By admin June 2, 2026

A guide to upgrading Linux PAM security: Enforcing strong passwords, auto-locking accounts during brute-force attacks, and integrating Multi-Factor Authentication (MFA).

Virtualization

Proxmox + InfluxDB + Grafana: The Secret to Enterprise-Grade VM Monitoring

By admin June 1, 2026

A guide to integrating Proxmox VE with InfluxDB and Grafana for professional monitoring. Solve metric storage issues and overcome default dashboard limitations.

Linux

Linux Optimization: Using nice and ionice to Prevent Server Freezes During Heavy Tasks

By admin May 31, 2026

Effectively control CPU and I/O usage with nice and ionice. A detailed guide on Linux server optimization for running heavy tasks like backups and file compression without impacting web or database performance.