adduser USER && usermod -aG adm,cdrom,dialout,lpadmin,plugdev,sambashare,sudo USER

Mit neuem Nutzer anmelden und mit

sudo passwd -l root

den root-Login deaktivieren.

sudo apt install fail2ban apache2 quassel-core ntp ntp-update postfix postfix-mysql postfix-doc mariadb-client mariadb-server openssl getmail4 rkhunter binutils dovecot-imapd dovecot-pop3d dovecot-mysql dovecot-sieve dovecot-lmtpd

dd if=/dev/zero of=~/tempfile bs=1M count=5000 conv=fdatasync,notrunc
sudo hdparm -tT /dev/vda1
sysbench --test=cpu --num-threads=2 --cpu-max-prime=200000 run

/etc/fail2ban/jail.d/defaults-debian.local

#[sshd]
#enabled = true

[postfix]
enabled = true

/etc/fail2ban/filter.d/quassel.local

[Definition]
failregex = Info: Non-authed client disconnected: <HOST>
            SSL required but non-SSL connection attempt from <HOST>
            Invalid login attempt from <HOST> as
            Client <HOST> did not send a registration message before trying to login, rejecting\.
ignoreregex =

/etc/fail2ban/jail.d/quassel.local

[quassel]

enabled = true
port = 4242
filter = quassel
logpath = /var/log/quassel/core.log
maxretry = 5

fail2ban filter and jail for quassel

Erstmal Quassel auf beiden Maschinen stoppen

sudo service quasselcore stop

Kopieren der Konfiguration und der Logs

sudo scp /var/lib/quassel/quasselcore.conf /var/lib/quassel/quassel-storage.sqlite user@newhost:/home/user/

Auf dem neuen Rechner

sudo rm /var/lib/quassel/quasselcore.conf
sudo mv quasselcore.conf /var/lib/quassel/
sudo mv quassel-storage.sqlite /var/lib/quassel/

Ändern der Dateirechte

sudo chown quasselcore:quassel /var/lib/quassel/quasselcore.conf
sudo chown quasselcore:quassel /var/lib/quassel/quassel-storage.sqlite

Server wieder starten

sudo service quasselcore start

How to move quassel-core config and chat log Quassel IRC und Let’s Encrypt unter Debian