Linux – Page 10 – ITFROMZERO

Boost HDD Speed by 10x with bcache: Use an Old SSD as Cache on Linux

By admin June 14, 2026

Don't let slow HDDs bottleneck your system. Here is a detailed guide on using bcache to turn an SSD into a cache for your HDD, multiplying IOPS at a minimal cost.

Docker

Running GUI Applications in Docker: An A-Z Guide to X11 Forwarding

By admin June 14, 2026

Learn how to run graphical applications (GUI) like Firefox and GIMP in Docker on Linux. Detailed guide on X11 Forwarding, GPU optimization, and container security.

Fedora

KVM/QEMU on Fedora Workstation with Virt-manager: Creating, Managing, and Optimizing Linux and Windows Virtual Machines

By admin June 13, 2026

A complete guide to setting up KVM/QEMU on Fedora Workstation with Virt-manager, from installation to performance tuning. Covers creating Linux and Windows 11 VMs with VirtIO drivers, CPU pinning, snapshots, and common SELinux troubleshooting.

Linux

Advanced find Command on Linux: Filter Files by Multiple Criteria and Automate Bulk Operations with -exec and xargs

By admin June 10, 2026

The advanced Linux find command lets you filter files by time, size, permissions, and multiple combined conditions. Paired with -exec or xargs, you can automate batch operations on hundreds of files with a single command — from clearing server logs to running security checks.

Security

Linux Password Auditing: Using John the Ripper and Hashcat to Hunt Down User Vulnerabilities

By admin June 10, 2026

Don't let weak passwords become a security liability. A hands-on guide to using John the Ripper and Hashcat for professional Linux system auditing.

Linux

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.