Hardware can be replaced in hours. Data can't be replaced at all. The 3-2-1 rule is the industry-standard answer: 3 copies of your data, on 2 different media, with 1 copy off-site. Here's how to implement it on any Linux server in 20 minutes using restic — free, encrypted and deduplicating.
Why snapshots alone are not enough
Server snapshots ...
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DNS is simple once you know what each record type actually does. This guide covers the records you'll touch 99% of the time, and the mistakes that cause “my site is down” tickets.
The records that matter
A — maps a name to an IPv4 address: example.com → 203.0.113.10
AAAA — same, for IPv6.
CNAME — an alias to another name: www ...
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“The server is slow” is the most common ticket we see — and in most cases the cause can be found in five minutes with three standard tools. Here is the exact routine our engineers use.
Step 1: Read the load average correctly
uptime
10:42:01 up 12 days, 3:14, 1 user, load average: 6.02, 4.11, 1.98
The three numbers are averages ...
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Docker is the fastest way to run applications in reproducible environments. This guide installs the official Docker Engine and the Compose plugin on Ubuntu 24.04 LTS — the recommended setup for any NetVO cloud server or bare metal machine.
1. Remove old packages
for pkg in docker.io docker-doc docker-compose podman-docker containerd runc; do ...
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