Hello,
I find out a special behaviour of autoyast under LEAP 42.1 concerning ssh-keys.
It seems that ssh-keys in /etc/ssh are preserved from the old existing system,
even if I recreate and reformat the disk .
Is it true that such a feature exists and why?
Are there other configurations which are preserved?
Our constallation of several workstations is :
Leap 42.1 Kernel : 4.1.34-33-default
This misfunction got apparent , when we exchanged the disks of two clients
because of different needed disp space for the two users .
After a complete new installation by autoyast we reached
that client 1 got the ssh-keys of client 2 in /etc/ssh and vice versa.
I debugged it and i see the inverted files in chroot-scripts.log
even before my post.sh -Script was mounted from Installserver and executed.
I do not explicitly generate ssh-keys in my post.sh.
After installation has completed , there is a new ssh_host_ed25519_key added .
So i think it is not my mistake.
zam221:/var/adm/autoinstall/logs # cat chroot-scripts.log
+ ls -lsai /etc/ssh
total 292
523490 4 drwxr-xr-x 2 root root 4096 Nov 30 12:11 .
523265 12 drwxr-xr-x 146 root root 12288 Nov 30 12:14 ..
523471 4 -rw-r--r-- 1 root root 2375 Sep 9 16:10 ldap.conf
523720 228 -rw------- 1 root root 231821 Sep 9 16:10 moduli
524087 4 -rw-r--r-- 1 root root 2996 Sep 9 16:10 ssh_config
524085 8 -rw-r----- 1 root root 4530 Sep 9 16:10 sshd_config
541861 4 -rw------- 1 root root 668 Jul 26 14:25 ssh_host_dsa_key
541862 4 -rw-r--r-- 1 root root 602 Jul 26 14:25 ssh_host_dsa_key.pub
541865 4 -rw------- 1 root root 227 Jul 26 14:25 ssh_host_ecdsa_key
541866 4 -rw-r--r-- 1 root root 174 Jul 26 14:25 ssh_host_ecdsa_key.pub
541859 4 -rw------- 1 root root 977 Jul 26 14:25 ssh_host_key
541860 4 -rw-r--r-- 1 root root 642 Jul 26 14:25 ssh_host_key.pub
541863 4 -rw------- 1 root root 1675 Jul 26 14:25 ssh_host_rsa_key
541864 4 -rw-r--r-- 1 root root 394 Jul 26 14:25 ssh_host_rsa_key.pub
+ cat /etc/ssh/ssh_host_rsa_key.pub
ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQCwGkPV58BpMCK2/M3jsIjEy9UD7g/J2BAOBqMj6v3
g6E/w4YQ+1zmS1OKt9hILDOEK7V1vYgybaPSgQ20JzTyJo0rlw2bpnPp7zMTmYEBblkDAvJbWrsQ64hrR
5DNy1Wv8sxVGkVOyx+rGSXgRABsNstQJCz945ysITBKcexLK+aEIAY7PvOdQdHnOFwzABSUNdZXjQrMeFN6b
KtloPPbnma+zUOyWPmBIbcqfzobgG6bUeF0tvjRVLyWh7cNTimsMZQKIoNNWcxLG8sS7fWWErTvvnGa+SHItTf
e1HoCWJWN+yuw9vqre0xl6hkxwiEIlLpe772FxFvPuQDu9VePN root@zam1188
After Installation:
zam221: ls -lsai /etc/ssh
total 312
523490 4 drwxr-xr-x 2 root root 4096 Nov 30 12:14 .
523265 12 drwxr-xr-x 177 root root 12288 Dec 1 07:20 ..
523471 4 -rw-r--r-- 1 root root 2375 Sep 9 16:10 ldap.conf
523720 228 -rw------- 1 root root 231821 Sep 9 16:10 moduli
524087 4 -rw-r--r-- 1 root root 3630 Apr 14 2014 ssh_config
541907 4 -rw-r--r-- 1 root root 2996 Sep 9 16:10 ssh_config.install
541861 4 -rw------- 1 root root 668 Jul 26 14:25 ssh_host_dsa_key
541862 4 -rw-r--r-- 1 root root 602 Jul 26 14:25 ssh_host_dsa_key.pub
541865 4 -rw------- 1 root root 227 Jul 26 14:25 ssh_host_ecdsa_key
541866 4 -rw-r--r-- 1 root root 174 Jul 26 14:25 ssh_host_ecdsa_key.pub
541923 4 -rw------- 1 root root 399 Nov 30 12:14 ssh_host_ed25519_key
541924 4 -rw-r--r-- 1 root root 93 Nov 30 12:14 ssh_host_ed25519_key.pub
541859 4 -rw------- 1 root root 977 Jul 26 14:25 ssh_host_key
541860 4 -rw-r--r-- 1 root root 642 Jul 26 14:25 ssh_host_key.pub
541863 4 -rw------- 1 root root 1675 Jul 26 14:25 ssh_host_rsa_key
541864 4 -rw-r--r-- 1 root root 394 Jul 26 14:25 ssh_host_rsa_key.pub
541926 0 lrwxrwxrwx 1 root root 20 Nov 30 12:14 ssh_known_hosts -> /etc/ssh_known_hosts
524085 8 -rw-r----- 1 root root 4607 Jun 1 2015 sshd_config
541908 8 -rw-r----- 1 root root 4530 Sep 9 16:10 sshd_config.install
Can anybody explain to me ? Thanks in advance
Kindly regards
+-----------------------------------------------------------+
| Marianne Frerichs |
| Juelich Supercomputing Centre (JSC) |
| Institute for Advanced Simulation (IAS) |
| Forschungszentrum Juelich GmbH |
| Email: M.Frerichs(a)fz-juelich.de |
+-----------------------------------------------------------+
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Forschungszentrum Juelich GmbH
52425 Juelich
Sitz der Gesellschaft: Juelich
Eingetragen im Handelsregister des Amtsgerichts Dueren Nr. HR B 3498
Vorsitzender des Aufsichtsrats: MinDir Dr. Karl Eugen Huthmacher
Geschaeftsfuehrung: Prof. Dr.-Ing. Wolfgang Marquardt (Vorsitzender),
Karsten Beneke (stellv. Vorsitzender), Prof. Dr.-Ing. Harald Bolt,
Prof. Dr. Sebastian M. Schmidt
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