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There are a number of directories whose contents do persist and can be changed, one of which is /etc/ssh, so you should be able to edit

/etc/ssh/sshd_config

to make whatever changes you need

thanks. I will try. I thought as it is RO https://documentation.suse.com/de-de/sle-micro/5.3/html/SLE-Micro-all/cha-read-only-filesystem.html so wont be able to change it .

yeah, it's a read-only root file system, but that doesn't mean other RW things can't be mounted on top of it 🙂 e.g. various directories under /etc, which you need in order to ensure configuration persistence

Hello @ambitious-daybreak-95996, i made changes in /etc/ssh/sshd_config for disabling SHA1 and restarted ssh and it was working fine. But today I noticed that these changes has been removed and also harvester uptime was 10 days. Is there a possibility that it rewrote the sshd file after reboot?

My bad, sorry. I did a little more digging, and it seems

/etc/ssh/sshd_config

is somehow rewritten on reboot. But, check the last line of that file:

Include /etc/ssh/sshd_config.d/*.conf

If you

mkdir /etc/ssh/sshd_config.d

then add your custom config to

/etc/ssh/sshd_config.d/sweta_ghosh.conf

(or whatever you want to call the file, just so long as it ends in

.conf

), you should be good.

We have upgraded our Harvester to 1.3.0.. Then I will try these steps. Thanks