tech:notes_ghost_changer_nom_ip
Table des matières
Changer le nom ou l'IP d'un serveur GNU/Linux
Template VM
Voir :
RedHat registration
subscription-manager unregister
subscription-manager remove --all
subscription-manager clean
Hostname
hostnamectl set-hostname localhost.localdomain
Udev
rm -rf /etc/udev/rules.d/70-*
machine-id
chmod 777 /etc/machine-id > /etc/machine-id chmod 444 /etc/machine-id
Voir aussi :
- /sys/class/dmi/id/product_uuid
- /sys/class/dmi/id/product_name
Qui peuvent être copiés sur l'image cible pour savoir sur quel matériel l'image a été créée.
Réseau
rm -f /etc/sysconfig/network-scripts/ifcfg-eth* #sed -i '/UUID/c\UUID=' /etc/sysconfig/network-scripts/ifcfg-eth0 #sed -i '/HWADDR/c\HWADDR=' /etc/sysconfig/network-scripts/ifcfg-eth0
Clean /var/log/
find /var/log/ -type f -name "*[-_]2018[0-9][1-9][0-9][1-9]*" -delete find /var/log/ -type f -name "*.old" -delete rm -rf /var/log/journal/* systemd-tmpfiles --create --prefix /var/log/journal systemctl restart systemd-journald #for fic in $(find /var/log/ -type f) ; do > $fic ; done find /var/log/ -type f -exec /bin/sh -c '>{}' \; rm /var/log/sysstat/* -rf find /var/log/ -type f -name "*.*[0-9]" -delete find /var/log/ -type f -name "*.gz" -delete
# Debian killall dhclient #rm /var/lib/dhcp/dhclient.eth0.leases rm -f /var/lib/dhcp/* killall ntpd rm /run/ntp.conf.dhcp
Autres RedHat
# systemctl enable initial-setup.service # sys-unconfig # touch /.unconfigured
Bash history
rm -f /root/.bash_history rm -f /home/*/.bash_history history -c && history -w
Poweroff
poweroff
Renommer un serveur
grep $(hostname -s) -Ril /etc/
Fichier à modifier
- /etc/machine-id
- /etc/hosts
- /etc/hostname
- /etc/mailname
- /etc/exim4/update-exim4.conf.conf
- /etc/machine-info
- /etc/sysconfig/network
rm -f /etc/machine-id systemd-machine-id-setup
SSH
dpkg-reconfigure openssh-server
Ou
# CHANGER LE HOSTNAME AVANT ! #rm /etc/ssh/ssh_host_rsa_key /etc/ssh/ssh_host_rsa_key.pub #rm /etc/ssh/ssh_host_dsa_key /etc/ssh/ssh_host_dsa_key.pub #rm /etc/ssh/ssh_host_ecdsa_key /etc/ssh/ssh_host_ecdsa_key.pub #ssh-keygen -h -N '' -t rsa -f /etc/ssh/ssh_host_rsa_key #ssh-keygen -h -N '' -t dsa -f /etc/ssh/ssh_host_dsa_key #ssh-keygen -h -N '' -t ecdsa -f /etc/ssh/ssh_host_ecdsa_key rm -f /etc/ssh/ssh_host_* /usr/bin/ssh-keygen -A
hostnamectl set-hostname nouveau-nom systemctl restart systemd-hostnamed
Changement d'adresse IP
Fichier à modifier
- /etc/resolv.conf
- /etc/systemd/resolved.conf
- /etc/network/interfaces
Conf client DNS
- /etc/resolv.conf
#domain acme.local search acme.local options rotate timeout:1 retries:1 #options edns0 nameserver 192.168.10.253 nameserver 192.168.11.253
Avec SystemD voir /etc/systemd/resolved.conf
Généralités
Parfois il faut aussi modifier les fichiers suivants
- /etc/motd
- /etc/issue
tech/notes_ghost_changer_nom_ip.txt · Dernière modification : de Jean-Baptiste