Critical PHP Flaws: How to Update PHP 8.3, 8.4 and 8.5
Patch CVE-2026-109618 and CVE-2026-109619, update PHP 8.3, 8.4 and 8.5, and reduce exposure with Apache, Nginx and PHP-FPM mitigation steps.
PHP, security, Tips & Guides, Ubuntu/Debian
Nvidia, security
How to Recover PDF Passwords with pdfcrack and NVIDIA-Accelerated Hashcat
Recover PDF passwords on Linux with pdfcrack, use Hashcat for NVIDIA acceleration, and find password dictionaries for small first attempts.
docker, security, Server
How to use openssl to generate 48 random hex numbers for beare token use.
Some services require you to generate random hex numbers to be used as a password or random auth token for authentication. The simplest method is to use this openssl cli command
security, Server, SSH
Solving ‘kex protocol error: type 7’ error in scp and ssh
The message sometimes appear when transferring files using scp. In order to solve this, you need to edit “/etc/sshd_config” file and change or add this line: UsePrivilegeSeparation yes Then restart OpenSSH server. This will solve the kex protocol error problem,
Computers, security, Server
Intel CPU Meltdown Vulnerability explained
This XKCD strip explains what essentially Meltdown vulnerability which affects Intel microprocessor
GNU/Linux, security, Ubuntu/Debian
How to Update Nmap scanner database
Nmap (or Network Mapper) is probably the most popular network mapper around. However if you are running a very stable long-term support server, there are chances that your nmap database installation isn’t keep up to that. Updating Nmap database Nmap detection database consists of these files: nmap-os-db nmap-mac-prefixes nmap-payloads nmap-protocols nmap-rpc nmap-service-probes nmap-services What you […]