Introduction Zabbix is an enterprise open source monitoring solution for networks and applications, created by Alexei Vladishev. It is designed to monitor and track the status of various network services, servers, and other network hardware. Zabbix uses MySQL, PostgreSQL, SQLite,…
Upgrade to PHP 7 on Linux
Prerequisites This guide assumes that you are running PHP 5.x on an Ubuntu 16.04 machine, using PHP-FPM in conjunction with Nginx. It also assumes that you have a non-root user configured with sudo privileges for administrative tasks. Adding a PPA…
PHP UDP Syslog Client
Wiki Syslog is a widely used standard for message logging. It permits separation of the software that generates messages, the system that stores them, and the software that reports and analyzes them. Computer system designers may use syslog for system…
Troubleshooting - Warning: Possible Dns Spoofing Detected!
Sometimes, when logging into another computer, you'll get a scary looking warning like: Warning: Possible Dns Spoofing Detected! Although this looks bad, all it probably means is that the IP address of the computer you're trying to log into has changed. Because we use DHCP, this can happen every time a computer reboots. To fix the problem, delete the appropriate lines out of the ~/.ssh/known_hosts
files.