AdminSysGNULinux

Voir :

• https://access.redhat.com/documentation/en-US/Red_Hat_Enterprise_Linux/6/html/Installation_Guide/s1-kickstart2-putkickstarthere.html
• https://access.redhat.com/documentation/en/red-hat-enterprise-linux/7/paged/anaconda-customization-guide/2-working-with-iso-images
• https://blog.entek.org.uk/notes/2023/04/06/graphical-progress-feedback-for-red-hat-and-rocky-kickstart-post-scripts.html

Voir aussi

• Cobbler
• Preseed debian_preseed_install_automatique_par_fichier_de_reponse
• Live-usb

Voir /root/anaconda-ks.cfg

ks.cfg

#bootloader --location=mbr --boot-drive=sda --append="hpsa.hpsa_allow_any=1"
bootloader --location=mbr --boot-drive=sda --append="biosdevname=0 net.ifnames=0"

clearpart --all --initlabel
ignoredisk --only-use=sda
zerombr

## Allow anaconda to partition the system as needed
##autopart --type=lvm
#part /boot --fstype="ext4"  --ondisk=sda --asprimary --size=256
##part swap                                --asprimary --size=4096
#part pv.01 --fstype="lvmpv" --ondisk=sda --asprimary --size=200  --grow
#volgroup vg_sys        --pesize=4096 pv.01
#logvol /home   --fstype="xfs" --name=lv_home  --vgname=vg_sys --size=1024
#logvol /       --fstype="xfs" --name=lv_root  --vgname=vg_sys --size=5120
#logvol swap    --fstype swap  --name=lv_swap  --vgname=vg_sys --recommended
##logvol        /app    --fstype="xfs" --name=lv_app   --vgname=vg_sys --size=200      --grow

# La partition ESP pour les machines EFI aura une taille minimale de 500 Mio au lieu de 200 Mio
part /boot/efi --fstype="efi" --ondisk=sda --size=1024 --fsoptions="umask=0077,shortname=winnt"

part /boot --fstype="xfs" --ondisk=sda --size=1024
part pv.10 --fstype="lvmpv" --ondisk=sda --size=184401
volgroup rhel --pesize=4096 pv.10
logvol /home  --fstype="xfs" --size=5000 --name=home --vgname=rhel
logvol swap  --fstype="swap" --size=3200 --name=swap --vgname=rhel
logvol /  --fstype="xfs" --size=102400 --name=root --vgname=rhel

firewall --disabled
selinux --disabled
firstboot --disable

keyboard --vckeymap=fr-oss --xlayouts='fr (oss)'
lang fr_FR.UTF-8
timezone Europe/Paris --isUtc

text
reboot
install
skipx

auth --enableshadow --passalgo=sha512

rootpw --iscrypted $6$16qezferzg55SAL$vnD4POyadqj7x27GUWARljI6.rgezBlTK/7fzsRj9C2S43jONnWDzMSOOMGulsay2YFeIl.
user --name=dev --password=$6$W8NI3UWFLLZOZOZJO8pZoyn5oH0LNtveNEWtP.WL5.LTwGDS1bmFwBHSbci.3yB491 --iscrypted --gecos="dev"

%pre
#%pre --erroronfail

set -x -v
exec 1>/tmp/ks-pre.log 2>&1

# Once root's homedir is there, copy over the log.
while : ; do
    sleep 10
    if [ -d /mnt/sysimage/root ]; then
        cp /tmp/ks-pre.log /mnt/sysimage/root/
        logger "Copied %pre section log to system"
        break
    fi
done &
%end

services --enabled=sshd,network --disabled=NetworkManager,dhcdbd

%packages
@core
chrony
%end

%post --nochroot
set -x -v
exec 1>/mnt/sysimage/root/ks-post-nochroot.log 2>&1
%end

%post
set -x -v
exec 1>/root/ks-post.log 2>&1

# Start yum configuration
#curl "http://192.168.100.159/cblr/svc/op/yum/system/test02" --output /etc/yum.repos.d/cobbler-config.repo

cd /root
mkdir --mode=700 .ssh
cat >> .ssh/authorized_keys <<EOF
ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQDOpSuQISNltnRl5e2lBZ+poH68lY+pMewPOsLM6wvRo9uvEdLgLZBBoYDLgoNhZwT1wvPQSAn7AbHZhmarX3kGlp/0G2yGGzlsn0820KuqLG4Q9ert2x3lg/oeBN4SkbGNplf6QOLN4q2u/z6PJ60I6OyGnA2yEyHekY5fVYjvyXcRMriJrthbdt7hBcwvNAZldzco36gSNhhe4E9WnsVp19jZvjpesEI2jhXBBgk3ewao3sdDnH+LE5rj3VP0bYlgoErDoKlUlSspKmtd16CPvBn0a38msQlj89JxvbC2TrkTOoxQPzXEkuQOXicTxo3E8bvm5EvKXWb0bBYUTtvf jibe@debian2.localdomain
EOF
chmod 600 .ssh/authorized_keys

echo "myhostname.localdomain" > /etc/hostname
#network --hostname=myhostname
rpm -e biosdevname

cat <<EOF > /etc/sysconfig/network-scripts/ifcfg-eth0
TYPE=Ethernet
BOOTPROTO=dhcp
#DEFROUTE=yes
IPV6INIT=no
IPV4_FAILURE_FATAL=no
NAME=eth0
DEVICE=eth0
ONBOOT=yes
NM_CONTROLLED=no
EOF

# End final steps
%end

yum install pykickstart
 
# ou
pip install pykickstart

ksvalidator ks.cfg

linux ks=http://172.18.21.1/redhat/ks.cfg ip=192.168.0.100 gw=192.168.254.254 dns=192.168.0.2 ksdevice=eth0

Pour boot si BIOS non UEFI

mount -o ro /dev/cdrom /mnt/iso/
rsync -a -H --delete --chmod=u+w /mnt/iso/ /tmp/ks/iso/
umount /mnt/iso/
 
vim /tmp/ks/iso/isolinux/isolinux.cfg
cp -p /tmp/ks/ks.cfg /tmp/ks/iso/

isolinux/isolinux.cfg

label linux
  menu label ^Install Red Hat Enterprise Linux 7.0 - ks (label)
  menu default
  kernel vmlinuz
  #append initrd=initrd.img inst.stage2=hd:sdb2:/ ks=hd:sdb1:/ks.cfg
  append initrd=initrd.img inst.stage2=hd:LABEL=RHEL-7.0\x20Server.x86_64 ks=hd:LABEL=RHEL-7.0\x20Server.x86_64:/ks.cfg biosdevname=0 net.ifnames=0

label linux
  menu label ^Install Red Hat Enterprise Linux 7.0 - ks (cdrom)
  kernel vmlinuz
  append initrd=initrd.img inst.stage2=cdrom ks=cdrom:/ks.cfg

label linux
  menu label ^Install Red Hat Enterprise Linux 7.0
  kernel vmlinuz
  append initrd=initrd.img inst.stage2=hd:LABEL=RHEL-7.0\x20Server.x86_64 quiet

Pour UEFI

grub.cfg

### BEGIN /etc/grub.d/10_linux ###
menuentry 'Install Red Hat Enterprise Linux 7.2' --class fedora --class gnu-linux --class gnu --class os {
        linuxefi /images/pxeboot/vmlinuz inst.stage2=hd:LABEL=RHEL-7.2\x20Server.x86_64 quiet
        initrdefi /images/pxeboot/initrd.img
}
menuentry 'KickStart install' --class fedora --class gnu-linux --class gnu --class os {
        linuxefi /images/pxeboot/vmlinuz inst.stage2=hd:LABEL=RHEL-7.2\x20Server.x86_64 ks=hd:LABEL=RHEL-7.2\x20Server.x86_64:/ks1.cfg
        initrdefi /images/pxeboot/initrd.img
}

Modif de efiboot.img

mkdir /mnt/tmp
mount images/efiboot.img /mnt/tmp/
vim /mnt/tmp/EFI/BOOT/grub.cfg
umount /mnt/tmp

cd /tmp/ks/iso/
genisoimage  -iso-level 4 -U -r -v -T -J -joliet-long -V "RHEL-7.0 Server.x86_64" -volset "RHEL-7.0 Server.x86_64" -A "RHEL-7.0 Server.x86_64" -b isolinux/isolinux.bin -c isolinux/boot.cat -no-emul-boot -boot-load-size 4 -boot-info-table -eltorito-alt-boot -e images/efiboot.img -no-emul-boot -o /tmp/ks/rh7-ks.iso .
isohybrid -u /tmp/ks/rh7-ks.iso
implantisomd5 /tmp/ks/rh7-ks.iso

Note : le parametre suivant va ensemble -eltorito-alt-boot -e images/efiboot.img

La petite partition /boot dédiée sur le disque local est formatée usuellement en ext2 (ou FAT32 dans le cadre d’un système UEFI).

Voir :

• bootloader --sdboot et inst.sdboot
  • https://linuxfr.org/news/la-longuement-desiree-fedora-linux-39-est-disponible