Create samba_backup_restore.sh
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jfontaine35
GitHub
commit
ec952ba29f
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#!/bin/bash
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# Variables
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SAMBA_PRIVATE="/var/lib/samba/private"
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SAMBA_SYSVOL="/var/lib/samba/sysvol"
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SAMBA_CONFIG="/etc/samba"
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BACKUP_DIR="/sauvegardes/samba"
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DATE=$(date +%Y%m%d_%H%M%S)
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GREEN="\033[1;32m"
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RED="\033[1;31m"
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YELLOW="\033[1;33m"
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NC="\033[0m"
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ADMIN_USER="Administrator"
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DOMAIN="h3adm.lan"
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SERVER="srv-*-*"
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IP="192.168.*.*"
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REVERSE_IP="*.168.192.in-addr.arpa"
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OLD_SERVER="srv-poi-addc01"
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OLD_IP="192.168.*.*"
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OLD_REVERSE_IP="*.168.192.in-addr.arpa"
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ADMIN_EMAIL="*.h3campus.fr"
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# Vérification des privilèges root
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if [[ $EUID -ne 0 ]]; then
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echo -e "${RED}Ce script doit être exécuté en tant que root.${NC}"
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exit 1
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fi
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# Fonction de sauvegarde Samba
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backup_samba() {
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echo -e "${YELLOW}Début de la sauvegarde Samba...${NC}"
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mkdir -p "$BACKUP_DIR"
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echo -e "${YELLOW}Entrez un nom pour la sauvegarde (laisser vide pour générer automatiquement) :${NC}"
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read -r CUSTOM_NAME
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if [[ -z "$CUSTOM_NAME" ]]; then
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CUSTOM_NAME="samba_backup_$DATE"
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fi
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ARCHIVE="$BACKUP_DIR/${CUSTOM_NAME}.tar.gz"
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tar -czvf "$ARCHIVE" "$SAMBA_PRIVATE" "$SAMBA_SYSVOL" "$SAMBA_CONFIG"
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echo -e "${GREEN}Fichiers sauvegardés dans $ARCHIVE${NC}"
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ACL_FILE="$BACKUP_DIR/${CUSTOM_NAME}_acl.acl"
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getfacl -R "$SAMBA_SYSVOL" > "$ACL_FILE"
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echo -e "${GREEN}ACL sauvegardées dans $ACL_FILE${NC}"
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}
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# Fonction de restauration Samba
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restore_samba() {
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echo -e "${YELLOW}Début de la restauration Samba...${NC}"
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if [[ ! -d "$BACKUP_DIR" ]] || [[ -z $(ls -A "$BACKUP_DIR" | grep "tar.gz") ]]; then
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echo -e "${RED}Aucune sauvegarde trouvée dans $BACKUP_DIR.${NC}"
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exit 1
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fi
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echo -e "${YELLOW}Liste des sauvegardes disponibles :${NC}"
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ls -1 "$BACKUP_DIR" | grep "tar.gz" | nl
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echo -e "${YELLOW}Choisissez le numéro de la sauvegarde à restaurer :${NC}"
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read -r BACKUP_CHOICE
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BACKUP_FILE=$(ls -1 "$BACKUP_DIR" | grep "tar.gz" | sed -n "${BACKUP_CHOICE}p")
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if [[ -z "$BACKUP_FILE" ]]; then
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echo -e "${RED}Sélection invalide.${NC}"
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exit 1
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fi
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BACKUP_PATH="$BACKUP_DIR/$BACKUP_FILE"
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echo -e "${GREEN}Sauvegarde sélectionnée : $BACKUP_FILE${NC}"
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echo -e "${YELLOW}Arrêt du service Samba...${NC}"
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systemctl stop samba-ad-dc
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BACKUP_ORIG_DIR="$BACKUP_DIR/original_$DATE"
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mkdir -p "$BACKUP_ORIG_DIR"
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tar -czvf "$BACKUP_ORIG_DIR/original_samba_files.tar.gz" "$SAMBA_PRIVATE" "$SAMBA_SYSVOL" "$SAMBA_CONFIG"
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echo -e "${GREEN}Sauvegarde des fichiers originaux dans $BACKUP_ORIG_DIR${NC}"
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tar -xzvf "$BACKUP_PATH" -C /
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echo -e "${GREEN}Fichiers restaurés depuis $BACKUP_PATH${NC}"
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ACL_FILE="$BACKUP_DIR/${BACKUP_FILE%.tar.gz}_acl.acl"
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if [[ -f "$ACL_FILE" ]]; then
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setfacl --restore="$ACL_FILE"
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echo -e "${GREEN}ACL restaurées depuis $ACL_FILE${NC}"
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else
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echo -e "${RED}Fichier ACL introuvable. Les permissions SYSVOL doivent être réinitialisées.${NC}"
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fi
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echo -e "${YELLOW}Réinitialisation des permissions SYSVOL...${NC}"
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samba-tool ntacl sysvolreset
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echo -e "${YELLOW}Mise à jour des fichiers de configuration Samba...${NC}"
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echo -e "${YELLOW}Entrez le nouveau nom du serveur :${NC}"
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read -r NEW_HOSTNAME
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echo -e "${YELLOW}Entrez la nouvelle adresse IP du serveur :${NC}"
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read -r NEW_IP
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sed -i "s/$(hostname)/$NEW_HOSTNAME/" "$SAMBA_CONFIG/smb.conf"
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hostnamectl set-hostname "$NEW_HOSTNAME"
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echo "$NEW_IP $(hostname)" >> /etc/hosts
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echo -e "${GREEN}Configuration mise à jour avec le nom $NEW_HOSTNAME et l'adresse $NEW_IP.${NC}"
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echo -e "${YELLOW}Redémarrage du service Samba...${NC}"
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systemctl start samba-ad-dc
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echo -e "${GREEN}Restauration Samba terminée.${NC}"
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}
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# Fonction pour ajouter des enregistrements DNS
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add_dns_records() {
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samba-tool dns add $SERVER $DOMAIN _ldap._tcp SRV "$SERVER.$DOMAIN 389 0 100" -U $ADMIN_USER --password=$ADMIN_PASS
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samba-tool dns add $SERVER $DOMAIN _kerberos._tcp SRV "$SERVER.$DOMAIN 88 0 100" -U $ADMIN_USER --password=$ADMIN_PASS
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samba-tool dns add $SERVER $DOMAIN _kerberos._udp SRV "$SERVER.$DOMAIN 88 0 100" -U $ADMIN_USER --password=$ADMIN_PASS
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samba-tool dns add $SERVER $DOMAIN _kpasswd._tcp SRV "$SERVER.$DOMAIN 464 0 100" -U $ADMIN_USER --password=$ADMIN_PASS
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samba-tool dns add $SERVER $DOMAIN _kpasswd._udp SRV "$SERVER.$DOMAIN 464 0 100" -U $ADMIN_USER --password=$ADMIN_PASS
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samba-tool dns add $SERVER $REVERSE_IP 210 PTR "$SERVER.$DOMAIN" -U $ADMIN_USER --password=$ADMIN_PASS
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samba-tool dns add $SERVER $DOMAIN $SERVER A $IP -U $ADMIN_USER --password=$ADMIN_PASS
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samba-tool dns add $SERVER $DOMAIN @ NS "$SERVER.$DOMAIN" -U $ADMIN_USER --password=$ADMIN_PASS
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}
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# Fonction pour supprimer les anciens enregistrements DNS
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delete_old_dns_records() {
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samba-tool dns delete $SERVER $DOMAIN _ldap._tcp SRV "$OLD_SERVER.$DOMAIN 389 0 100" -U $ADMIN_USER --password=$ADMIN_PASS
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samba-tool dns delete $SERVER $DOMAIN _kerberos._tcp SRV "$OLD_SERVER.$DOMAIN 88 0 100" -U $ADMIN_USER --password=$ADMIN_PASS
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samba-tool dns delete $SERVER $DOMAIN _kerberos._udp SRV "$OLD_SERVER.$DOMAIN 88 0 100" -U $ADMIN_USER --password=$ADMIN_PASS
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samba-tool dns delete $SERVER $DOMAIN _kpasswd._tcp SRV "$OLD_SERVER.$DOMAIN 464 0 100" -U $ADMIN_USER --password=$ADMIN_PASS
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samba-tool dns delete $SERVER $DOMAIN _kpasswd._udp SRV "$OLD_SERVER.$DOMAIN 464 0 100" -U $ADMIN_USER --password=$ADMIN_PASS
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samba-tool dns delete $SERVER $OLD_REVERSE_IP 210 PTR "$OLD_SERVER.$DOMAIN" -U $ADMIN_USER --password=$ADMIN_PASS
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samba-tool dns delete $SERVER $DOMAIN $OLD_SERVER A $OLD_IP -U $ADMIN_USER --password=$ADMIN_PASS
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samba-tool dns delete $SERVER $DOMAIN @ NS "$OLD_SERVER.$DOMAIN" -U $ADMIN_USER --password=$ADMIN_PASS
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}
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# Fonction pour mettre à jour l'enregistrement SOA
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update_soa_record() {
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samba-tool dns update $SERVER $DOMAIN @ SOA "$OLD_SERVER.$DOMAIN. admin.$DOMAIN. 62646 900 600 86400 3600" "$SERVER.$DOMAIN. $ADMIN_EMAIL. 2024120901 900 600 86400 3600" -U $ADMIN_USER --password=$ADMIN_PASS
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}
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# Fonction pour vérifier les enregistrements DNS
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verify_dns_records() {
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host -t A $SERVER.$DOMAIN
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host -t SRV _ldap._tcp.$DOMAIN
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host -t SRV _kerberos._tcp.$DOMAIN
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host -t SRV _kerberos._udp.$DOMAIN
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host -t SRV _kpasswd._tcp.$DOMAIN
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host -t SRV _kpasswd._udp.$DOMAIN
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}
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# Menu principal
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echo -e "${YELLOW}Samba Backup & Restore Script${NC}"
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echo -e "${GREEN}1. Sauvegarder Samba${NC}"
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echo -e "${GREEN}2. Restaurer Samba${NC}"
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echo -e "${GREEN}3. Mise à jour du DNS${NC}"
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echo -e "${GREEN}4. Quitter${NC}"
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echo -e "Choisissez une option :"
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read -r OPTION
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case $OPTION in
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1)
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backup_samba
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;;
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2)
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restore_samba
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;;
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3)
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read -sp "Enter password for $ADMIN_USER: " ADMIN_PASS
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echo
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echo -e "\e[34mSuppression des anciens enregistrements DNS...\e[0m"
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delete_old_dns_records
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echo -e "\e[32mAjout des nouveaux enregistrements DNS...\e[0m"
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add_dns_records
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echo -e "\e[35mMise à jour de l'enregistrement SOA...\e[0m"
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update_soa_record
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echo -e "\e[33mVérification des enregistrements DNS...\e[0m"
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verify_dns_records
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echo -e "\e[36mMise à jour du DNS terminée.\e[0m"
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;;
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4)
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echo -e "${GREEN}Quitter...${NC}"
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exit 0
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;;
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*)
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echo -e "${RED}Option invalide.${NC}"
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exit 1
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;;
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esac
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