Herb
bd4384c36f
Playbooks, Inventory, update-ips.sh, first-boot-setup.sh und Doku unveraendert aus dem alten git-losen Ordner uebernommen. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
62 lines
1.4 KiB
Bash
Executable File
62 lines
1.4 KiB
Bash
Executable File
#!/bin/bash
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#
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# First-Boot Setup fuer geklonte Rechner
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#
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# Dieses Script nach dem Klonen EINMAL ausfuehren auf jedem Rechner:
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# sudo ~/ansible-schule/files/first-boot-setup.sh laptop05
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#
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# Es macht:
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# 1. Neuen Hostnamen setzen
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# 2. Neue SSH-Host-Keys generieren (wichtig!)
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# 3. Neue Machine-ID generieren
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#
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set -e
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# Farben
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RED='\033[0;31m'
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GREEN='\033[0;32m'
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YELLOW='\033[1;33m'
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NC='\033[0m'
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echo -e "${GREEN}=== First-Boot Setup ===${NC}"
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# Hostname als Parameter oder interaktiv
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if [ -n "$1" ]; then
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NEW_HOSTNAME="$1"
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else
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read -p "Neuer Hostname (z.B. laptop05): " NEW_HOSTNAME
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fi
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if [ -z "$NEW_HOSTNAME" ]; then
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echo -e "${RED}Fehler: Kein Hostname angegeben${NC}"
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exit 1
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fi
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echo -e "${YELLOW}Setze Hostname auf: $NEW_HOSTNAME${NC}"
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# 1. Hostname setzen
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hostnamectl set-hostname "$NEW_HOSTNAME"
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sed -i "s/127.0.1.1.*/127.0.1.1\t$NEW_HOSTNAME/" /etc/hosts
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# 2. Neue SSH-Host-Keys generieren
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echo -e "${YELLOW}Generiere neue SSH-Host-Keys...${NC}"
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rm -f /etc/ssh/ssh_host_*
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ssh-keygen -A
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# 3. Neue Machine-ID generieren
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echo -e "${YELLOW}Generiere neue Machine-ID...${NC}"
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rm -f /etc/machine-id /var/lib/dbus/machine-id
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dbus-uuidgen --ensure=/etc/machine-id
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cp /etc/machine-id /var/lib/dbus/machine-id
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# 4. SSH-Dienst neustarten
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systemctl restart ssh
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echo ""
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echo -e "${GREEN}=== Setup abgeschlossen ===${NC}"
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echo -e "Hostname: ${GREEN}$NEW_HOSTNAME${NC}"
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echo ""
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echo "Optional: Rechner neustarten mit 'sudo reboot'"
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echo ""
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