Lezzo secret wiki

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~ Frequently used commands and configuration snippets

Reduce packages disk usage on gentoo

eclean packages
eclean distfiles
eclean-kernel -A -a

Update pi-hole devuan host

apt update
apt upgrade
PIHOLE_SKIP_OS_CHECK=true pihole -up

Wireguard configuration

cd /etc/wireguard.conf
wg genkey > privatekey
cat privatekey | wg pubkey

[Interface]
PrivateKey = 
Address = 10.0.13.X/32
DNS = 10.0.1.8

# lezzo
[Peer]
PublicKey = sU1Cya3Ej6kQMidcwk3PMxzqNY12JfDAROeayPG5PXM= # server pubkey
Endpoint = tubo.lezzo.org:51888
PersistentKeepalive = 25
AllowedIPs = 0.0.0.0/0

Add static route for wireguard

Useful when subnet clash, example:

lezzo: flags=209<UP,POINTOPOINT,RUNNING,NOARP>  mtu 1420
	inet 10.0.13.2  netmask 255.255.255.255  destination 10.0.13.2
wlp1s0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
	inet 10.0.11.148  netmask 255.255.0.0  broadcast 10.0.255.255

route add -net 10.0.13.0 netmask 255.255.255.0 gw 10.0.13.1 lezzo
route add -net 10.0.1.0 netmask 255.255.255.0 gw 10.0.13.1 lezzo # dns resolution through enigm.local

Remove gentoo strong password requirement

From https://forums.gentoo.org/viewtopic-t-1117656-start-0.html: in /etc/pam.d/system-auth

# password        required        pam_passwdqc.so min=8,8,8,8,8 retry=3 
# password        required        pam_unix.so try_first_pass use_authtok nullok sha512 shadow 
password        required        pam_unix.so try_first_pass nullok sha512 shadow # no use_authtok