# I cant start sshd **URL:** \ **Category:** XFCE\ **Created:** [July 3, 2024, 5:17am UTC](https://forum.endeavouros.com/t/i-cant-start-sshd/57602 "2024-07-03T05:17:59Z")\ **Posts on this page:** 9\ **Page:** 1
**Author:** ![pavlar](https://forum.endeavouros.com/user_avatar/forum.endeavouros.com/pavlar/32/120146_2.png) [@pavlar](https://forum.endeavouros.com/u/pavlar)\ **Post date:** [July 3, 2024, 5:18am UTC](https://forum.endeavouros.com/t/i-cant-start-sshd/57602/1 "2024-07-03T05:18:00Z")
I cant connect ssh xxxx Unable to negotiate with xxxx port 22: no matching host key type found. Their offer: ssh-rsa,ssh-dss I add to ssh config: ```auto Host * HostName * HostKeyAlgorithms=+ssh-dss ``` …and now i cant use sshd: systemctl status sshd.service × sshd.service - OpenSSH Daemon Loaded: loaded (/usr/lib/systemd/system/sshd.service; enabled; preset: disabled) Active: failed (Result: exit-code) since Wed 2024-07-03 08:11:09 UTC; 5min ago Duration: 19min 21.860s Invocation: 65b0afd7f9c44d3fadb989e141cd3356 Process: 11019 ExecStart=/usr/bin/sshd -D (code=exited, status=255/EXCEPTION) Main PID: 11019 (code=exited, status=255/EXCEPTION) Jul 03 08:11:09 pal systemd[1]: sshd.service: Scheduled restart job, restart counter is at 5. Jul 03 08:11:09 pal systemd[1]: sshd.service: Start request repeated too quickly. Jul 03 08:11:09 pal systemd[1]: sshd.service: Failed with result ‘exit-code’. Jul 03 08:11:09 pal systemd[1]: Failed to start OpenSSH Daemon. Although this may not be due to adding lines to the config ---
**Author:** ![Bryanpwo](https://forum.endeavouros.com/user_avatar/forum.endeavouros.com/bryanpwo/32/130600_2.png) [@Bryanpwo](https://forum.endeavouros.com/u/Bryanpwo)\ **Post date:** [July 3, 2024, 5:34am UTC](https://forum.endeavouros.com/t/i-cant-start-sshd/57602/2 "2024-07-03T05:34:07Z")
Read the pinned post on the forum: > [@The sshd service needs to be restarted after upgrading to openssh-9.8p1](https://forum.endeavouros.com/t/the-sshd-service-needs-to-be-restarted-after-upgrading-to-openssh-9-8p1/57535/5): > > My x86\_64 daily driver was aleady at openssh-9.8p1. I only update my LAN server about every month, so it was still 9.7p1. All was still working. I updated openssh on the LAN server, then rebooted. After reboot every thing was working. I guess the LAN’s reboot was the same as restarting the sshd service. Thanks for the heads up. Pudge ---
**Author:** ![pavlar](https://forum.endeavouros.com/user_avatar/forum.endeavouros.com/pavlar/32/120146_2.png) [@pavlar](https://forum.endeavouros.com/u/pavlar)\ **Post date:** [July 3, 2024, 5:37am UTC](https://forum.endeavouros.com/t/i-cant-start-sshd/57602/3 "2024-07-03T05:37:46Z")
systemctl restart sshd.service Job for sshd.service failed because the control process exited with error code. See “systemctl status sshd.service” and “journalctl -xeu sshd.service” for details systemctl stop sshd.service [root@pal ssh]# systemctl start sshd.service Job for sshd.service failed because the control process exited with error code. See “systemctl status sshd.service” and “journalctl -xeu sshd.service” for details. ---
**Author:** ![pebcak](https://forum.endeavouros.com/user_avatar/forum.endeavouros.com/pebcak/32/100472_2.png) [@pebcak](https://forum.endeavouros.com/u/pebcak)\ **Post date:** [July 3, 2024, 5:46am UTC](https://forum.endeavouros.com/t/i-cant-start-sshd/57602/4 "2024-07-03T05:46:42Z")
> [@pavlar](#): > > See “systemctl status sshd.service” and “journalctl -xeu sshd.service” for details. This ^ ---
**Author:** ![pavlar](https://forum.endeavouros.com/user_avatar/forum.endeavouros.com/pavlar/32/120146_2.png) [@pavlar](https://forum.endeavouros.com/u/pavlar)\ **Post date:** [July 3, 2024, 5:53am UTC](https://forum.endeavouros.com/t/i-cant-start-sshd/57602/5 "2024-07-03T05:53:05Z")
> [@pavlar](#): > > journalctl -xeu sshd.service 03 08:37:51 pal systemd[1]: sshd.service: Scheduled restart job, restart counter is at 5. ░░ Subject: Automatic restarting of a unit has been scheduled ░░ Defined-By: systemd ░░ Support: [https://lists.freedesktop.org/mailman/listinfo/systemd-devel](https://lists.freedesktop.org/mailman/listinfo/systemd-devel) ░░ ░░ Automatic restarting of the unit sshd.service has been scheduled, as the result for ░░ the configured Restart= setting for the unit. Jul 03 08:37:51 pal systemd[1]: sshd.service: Start request repeated too quickly. Jul 03 08:37:51 pal systemd[1]: sshd.service: Failed with result ‘exit-code’. ░░ Subject: Unit failed ░░ Defined-By: systemd ░░ Support: [https://lists.freedesktop.org/mailman/listinfo/systemd-devel](https://lists.freedesktop.org/mailman/listinfo/systemd-devel) ░░ ░░ The unit sshd.service has entered the ‘failed’ state with result ‘exit-code’. Jul 03 08:37:51 pal systemd[1]: Failed to start OpenSSH Daemon. ░░ Subject: A start job for unit sshd.service has failed ░░ Defined-By: systemd ░░ Support: [https://lists.freedesktop.org/mailman/listinfo/systemd-devel](https://lists.freedesktop.org/mailman/listinfo/systemd-devel) ░░ ░░ A start job for unit sshd.service has finished with a failure. ░░But there’s nothing useful here ---
**Author:** ![pavlar](https://forum.endeavouros.com/user_avatar/forum.endeavouros.com/pavlar/32/120146_2.png) [@pavlar](https://forum.endeavouros.com/u/pavlar)\ **Post date:** [July 3, 2024, 6:01am UTC](https://forum.endeavouros.com/t/i-cant-start-sshd/57602/6 "2024-07-03T06:01:08Z")
But ssh works ssh xxxx The authenticity of host xxxx can’t be established. ED25519 key fingerprint is SHA256:m/O5Y6sxMbGtm9nfqq3KOdcIGplJsk60DhWCuISIh6U. This key is not known by any other names. Are you sure you want to continue connecting (yes/no/[fingerprint])? y Please type ‘yes’, ‘no’ or the fingerprint: yes Warning: Permanently added ‘xxxx’ (ED25519) to the list of known hosts. xxxx’s password: Linux boss 5.10.0-30-amd64 #1 SMP Debian 5.10.218-1 (2024-06-01) x86\_64 The programs included with the Debian GNU/Linux system are free software; the exact distribution terms for each program are described in the individual files in /usr/share/doc/\*/copyright. Debian GNU/Linux comes with ABSOLUTELY NO WARRANTY, to the extent permitted by applicable law. You have new mail. ---
**Author:** ![pavlar](https://forum.endeavouros.com/user_avatar/forum.endeavouros.com/pavlar/32/120146_2.png) [@pavlar](https://forum.endeavouros.com/u/pavlar)\ **Post date:** [July 3, 2024, 6:02am UTC](https://forum.endeavouros.com/t/i-cant-start-sshd/57602/7 "2024-07-03T06:02:41Z")
How can this be that the daemon sshd does not start but ssh connection works? ---
**Author:** ![BluishHumility](https://forum.endeavouros.com/user_avatar/forum.endeavouros.com/bluishhumility/32/70412_2.png) [@BluishHumility](https://forum.endeavouros.com/u/BluishHumility)\ **Post date:** [July 3, 2024, 3:47pm UTC](https://forum.endeavouros.com/t/i-cant-start-sshd/57602/8 "2024-07-03T15:47:44Z")
> [@pavlar](#): > > Unable to negotiate with xxxx port 22: no matching host key type found. Their offer: ssh-rsa,ssh-dss > > I add to ssh config: > > ```auto > Host * > HostName * > HostKeyAlgorithms=+ssh-dss > > ``` You may also need to add to `PublickeyAcceptedAlgorithms` (on the client). You can add to `~/.ssh/config`: ```auto Host * HostKeyAlgorithms +ssh-rsa,ssh-dss PubkeyAcceptedAlgorithms +ssh-rsa,ssh-dss ``` > [@pavlar](#): > > …and now i cant use sshd: Have you made any changes to `/etc/ssh/sshd_config`? If so, check for a misconfiguration. If not, double-check the permissions on your SSH-related files ```auto chmod 755 /etc/ssh chmod 644 /etc/ssh/ssh_config chmod 600 /etc/ssh/ssh_host_* ``` Also, in your user directory, `~/.ssh` should be 700, the private keys should be 600, and the public keys should be 644. > [@pavlar](#): > > How can this be that the daemon sshd does not start but ssh connection works? The SSH service only needs to be running on the server side. The fact that sshd is failing to start will prevent any connections into your “pal” machine, but for the connection you have established with “Linux boss”, “pal” is the client. ---
**Author:** ![BluishHumility](https://forum.endeavouros.com/user_avatar/forum.endeavouros.com/bluishhumility/32/70412_2.png) [@BluishHumility](https://forum.endeavouros.com/u/BluishHumility)\ **Post date:** [July 19, 2024, 11:44pm UTC](https://forum.endeavouros.com/t/i-cant-start-sshd/57602/9 "2024-07-19T23:44:40Z")
Closing since the user has opened a new topic for the same issue. [I cant work with sshd](https://forum.endeavouros.com/t/i-cant-work-with-sshd/58143)