Atelier SysRes SE2a5 2023/2024 E2

IP : 172.26.145.112

13/09/2023 :

Création de la VM

xen-create-image --hostname=berlin --ip=172.26.145.112 --dir=/usr/local/xen --dhcp

• vi /etc/network/interfaces : remplacer DHCP par static

address 172.26.145.112/24
gateway 172.26.145.254

14/09/2023 :

Configuration

Configuration de l'interface:

nano /etc/network/interfaces

Modifications:

auto eth0
iface eth0 inet static
address 172.26.145.109/24
gateway 172.26.145.254

Création d’un conteneur à la main

Sous machine Zabeth:

su -

dd if=/dev/zero of=toto bs=1024k count=10240

mkfs /home/pifou/toto

mkdir tmp/mnt

mount -oloop /home/pifou/toto /tmp/mnt

apt install debootstrap

debootstrap stable /tmp/mnt

echo "proc /proc proc defaults 0 0" >> /tmp/mnt/etc/fstab

unshare -p -f -m chroot /tmp/mnt  /bin/sh -c "mount /proc ; /bin/bash"

Docker

docker run -i -t debian /bin/bash

02/10/2023

• Configuration du ssh

nano /etc/ssh/sshd_config

PermitRootLogin yes

• Installer apache2 et bind9

• lvcreate -L10G -nberlin-var virtual
• lvcreate -L10G -nberlin-home virtual
• tasksel (xfce)

05/10/2023

• mkfs /dev/xvdb1
• mkfs /dev/xvdb2
• mkdir new-var
• mkdir new-home
• mount /dev/xvdb1 /new-home
• mount /dev/xvdb2 /new-var
• mv /var/* /new-var/
• lsblk

xvda1 202:1    0  512M  0 disk [SWAP]
xvda2 202:2    0   10G  0 disk /
xvdb1 202:17   0   10G  0 disk /root/new-home
xvdb2 202:18   0   10G  0 disk /root/new-var

• nano /etc/fstab

/dev/xvdb1 /home ext2 defaults 0 2
/dev/xvdb2 /var  ext4 defaults 0 2

• umount /root/new-var
• umount /root/new-home
• mount -a
• lsblk

xvda1 202:1    0  512M  0 disk [SWAP]
xvda2 202:2    0   10G  0 disk /
xvdb1 202:17   0   10G  0 disk /home
xvdb2 202:18   0   10G  0 disk /var

ajout des interfaces sur la machine de service berlin :

auto eth1
iface eth1 inet static
        address 192.168.165.3/24
        gateway 192.168.165.1
        post-up ethtool -K eth1 tx off

Séance du 10/11:

Modification: nano /etc/bind/db.berlin2.lol

$TTL 1H
berlin2.lol.    IN      SOA     ns1.berlin2.lol. quoicoubeh@mail.com. (
                                        2011041902 ; Serial
                                        1H ; Refresh
                                        15M ; Retry
                                        2W ; Expire
                                        3M ; Minimum TTL
                                        )
berlin.lol.      IN NS   ns1.berlin2.lol.
berlin.lol.      IN A    193.48.57.165
ns1.berlin2.lol. IN A    193.48.57.165 
ns1.berlin2.lol. IN AAAA  2001:660:4401:60a0:216:3eff:fe9b:446d
www.berlin2.lol. IN CNAME ns1.berlin2.lol.