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zzzhhh
n00b
Joined: 05 Jan 2024
Posts: 1
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 Posted: Fri Jan 05, 2024 10:22 am Post subject: After entering systemd namespace,ssh service can't bind port |
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I installed Ubuntu 22.04.3 LTS in WSL2 according to instructions in https://learn.microsoft.com/en-us/windows/wsl/install-manual.
Then I installed SSH server according to instructions in https://jmmv.dev/2022/02/wsl-ssh-access.html.
Then I installed ubuntu-wsl2-systemd-script (https://github.com/DamionGans/ubuntu-wsl2-systemd-script/tree/master) to enable systemd support in WSL2. During reboot of Ubuntu in WSL2, line 45-47 of enter-systemd-namespace script enters systemd namespace:
| Code: | exec /usr/bin/nsenter -t "$SYSTEMD_PID" -a \
/bin/login -p -f "$SUDO_USER" \
$([ -f "$USER_HOME/.systemd-env" ] && /bin/cat "$USER_HOME/.systemd-env" | xargs printf ' %q') |
But this makes the SSH service stop working. If I run `systemctl status ssh.service`, I got the following error messages:
| Code: | Jan 04 09:01:48 DESKTOP-J2VCDBO systemd[1]: Starting OpenBSD Secure Shell server...
Jan 04 09:01:48 DESKTOP-J2VCDBO sshd[246]: error: Bind to port 2022 on 0.0.0.0 failed: Address already in use.
Jan 04 09:01:48 DESKTOP-J2VCDBO sshd[246]: error: Bind to port 2022 on :: failed: Address already in use.
Jan 04 09:01:48 DESKTOP-J2VCDBO sshd[246]: fatal: Cannot bind any address.
Jan 04 09:01:48 DESKTOP-J2VCDBO systemd[1]: ssh.service: Main process exited, code=exited, status=255/EXCEPTION
Jan 04 09:01:48 DESKTOP-J2VCDBO systemd[1]: ssh.service: Failed with result 'exit-code'.
Jan 04 09:01:48 DESKTOP-J2VCDBO systemd[1]: Failed to start OpenBSD Secure Shell server. |
I cannot find out what processes are using port 2022 because the results returned from `sudo netstat -tulnp | grep 2022` contain no process information:
| Code: | tcp 0 0 0.0.0.0:2022 0.0.0.0:* LISTEN -
tcp6 0 0 :::2022 :::* LISTEN - |
So, how can I keep (most of) ubuntu-wsl2-systemd-script while have SSH service working?
[Moderator edit: changed [quote] tags to [code] tags to preserve output layout. -Hu] |
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Banana
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Joined: 21 May 2004
Posts: 1392
Location: Germany
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