Before there was a “Silicon Valley,” there was a wooden garage in Palo Alto. There, in 1939, two recent Stanford engineering graduates founded the company that would define the model for every startup that followed: Hewlett-Packard. This is the history of HP — from garage to giant, from calculators that retired the slide rule … Read more
In 1984, while IBM and Apple fought for headlines, a 19-year-old freshman studying medicine was assembling PCs in his University of Texas dorm room. He discovered something the giants took decades to understand: selling directly to customers, without inventory or middlemen, changes everything. This is the history of Dell … Read more
Anyone who has built an email server with Postfix + Dovecot knows the ritual: the classic PHP PostfixAdmin, a web server configured just for it, and an interface frozen in time. go-postfixadmin is my modern answer: a single Go binary with the entire Vue 3 frontend embedded — a dashboard … Read more
A server without monitoring only tells you it is down when someone complains. With Node Exporter, each host exposes Linux metrics; Prometheus collects and stores them as time series for queries and alerts. This guide uses Ubuntu packages where available, avoids exposing metrics to the internet, and validates each step before continuing. The … Read more
Complete and tested Ansible project: inventory with groups, ufw, Nginx with template and handler that tests the configuration, password in ansible-vault and rolling update that stops by itself if a server doesn't come back.
In this video, I show how I migrate Oficina do Tux to another server with ISPConfig 3.1.1, which now supports HHVM. On October 25, 2016, the ISPConfig3 project released version 3.1.1, which now … Read more
