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113 artikelen gevonden
rsync: Backup and restore
rsync – Backup and restorersync is a powerful and widely used tool for copying and synchronizing files, both locally and over a network. It is designed to work
What the file actually is
The build cache is the whole point, and most people learn that the hard way.You write a Dockerfile, run `docker build`, and wait ninety seconds while npm pulls
dnf: Package Management
You type `dnf install nginx` and it works. You rarely think about what sits underneath that command, until the day it doesn't work and you have to.DNF —
document database
Document database: between SQLite and NoSQL
Databases are the invisible backbone of modern software. They store data in a structured way, so that programs can
What you actually get
You type `screen` on a server, start a long `pg_dump`, and close your laptop. The dump keeps running. That single behavior is why the tool still exists after
What rsync actually does
You run `rsync -a` for the first time and it copies everything. You run it again an hour later and it copies almost nothing, yet the destination is identical.
systemd Units: How Services, Sockets and Timers Actually Work
systemd Units: How Services, Sockets and Timers Actually Work
A systemd unit is the smallest thing systemd knows how to manage, and if you run a Linux server
webhooks: APIs and REST
Webhooks are a technique within the domain of APIs, particularly in combination with REST, that allows systems to communicate more efficiently than through
SSL certificates and HTTPS explained
SSL certificates and HTTPS explainedHTTPS stands for Hypertext Transfer Protocol Secure. It is the secure version of HTTP, the protocol used to exchange data
The packet that never comes back
The packet that never comes back
You type a hostname, hit enter, and nothing happens. No error, no page, no answer. Somewhere between your machine and theirs,
virtual machine
You’re setting up a virtual machine on Linux and need it to work reliably — not just boot, but perform, scale, and integrate cleanly with your existing
Let's Encrypt
Let’s Encrypt: the free certificate authority that secured the webLet’s Encrypt is a project that has played a fundamental role in securing the internet since