SEC.01
The playbook
The run starts read-only: the recon probes decide what happens next. The steps that follow are adapted to the distribution and state found — a real machine is rarely clean.
- 01reconthe distribution: apt (Debian/Ubuntu) or dnf (RHEL/Fedora/Rocky/Alma)
- 02reconClamAV already present? which version / signature date?
- 03reconfreshclam and daemon already active?
- 04reconRAM (clamd uses ~1.5 GB once loaded) and free disk (~400 MB of signatures)
- 05reconsignature database already present?
- 06actEnable EPEL (RHEL/Rocky/Alma only)verify
- 07actInstall ClamAVverify
- 08actUnblock freshclam.conf (RHEL/Fedora, only if an Example line exists)verify
- 09actUpdate the signaturesverify
- 10actEnable clamd (only if daemon = true)verify
- 11actTest detection (EICAR file)verify
SEC.02
What it verifies
Each step ships its own check. The run only moves on when the check passes, so what the recipe reports as done is what is actually on the server.
- 01verifyEnable EPEL (RHEL/Rocky/Alma only)Verified by
dnf repolist enabled | grep -ci epel - 02verifyInstall ClamAVVerified by
clamscan --version - 03verifyUnblock freshclam.conf (RHEL/Fedora, only if an Example line exists)Verified by
grep -c '^Example' /etc/freshclam.conf - 04verifyUpdate the signaturesVerified by
ls /var/lib/clamav/ | grep -cE '^(main|daily)\.c[vl]d$' - 05verifyEnable clamd (only if daemon = true)Verified by
systemctl is-active clamav-daemon clamd@scan 2>/dev/null - 06verifyTest detection (EICAR file)Verified by
clamscan --no-summary /tmp/eicar.com
SEC.03
Guardrails
Non-negotiable instructions the run must respect, whatever it finds on the server.
Do not enable clamd below 2 GB of RAM: it risks an OOM. Do not run a full scan of / during the recipe. Never delete or quarantine any file found — report only.
SEC.04
Variables
What you choose before launching — the recipe fills in the rest.
| Name | Meaning |
|---|---|
| ${daemon} | Enable the clamd daemon (≥ 2 GB RAM) |
SEC.05
How a recipe runs in Servor
Servor is zero-knowledge: the platform cannot execute anything on its own. When you launch this recipe, a run reads the reconnaissance, plans the steps and asks for your approval. Each approved command is signed by your browser — with a key the server never sees — then relayed verbatim to the agent, which verifies the signature locally before executing.
search by intent — type “firewall”, get ufw
- 01Read-only reconnaissance before any change
- 02Every command signed by your browser, approved by you
- 03Each step verified before the run moves on, every run kept in the history
SEC.06
Deploy on Servor button
Maintain ClamAV or a project that needs it? Put this button in your README or on your site: one click and your users install it on their own server.
SEC.07
More security recipes
- 01Harden SSHTurns off password login and root password login, keeps keys. Destructive: verify your key access first.
- 02fail2banfail2ban with the SSH jail on the right port, active and verified.
- 03UFW firewallUFW: denies incoming by default, allows the real SSH port + chosen ports, with a safety net. Destructive: keeps SSH open.
- 04Automatic security updatesEnables automatic security updates: unattended-upgrades (Debian/Ubuntu) or dnf-automatic (RHEL/Fedora).
- 05CrowdSecCrowdSec collaborative IPS, SSH collections and firewall bouncer.
Verified recipe
Run this recipe on your server
Connect a server, launch the recipe, and approve each step as Servor executes and verifies it. Free plan, no card required.