I am trying to connect Ubuntu Linux 20.04 to MobaXterm with SSH. I tried everything but MobaXterm gives error as "Network error: Connection refused"
I have just started to learn Linux, I am taking a lot of problem but I didn't handle this one.
What is the problem on my Linux?
Thanks in advance.
SSH
ssh 127.0.0.1
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Welcome to Ubuntu 20.04.5 LTS (GNU/Linux 5.15.0-56-generic x86_64)
* Documentation: https://help.ubuntu.com
* Management: https://landscape.canonical.com
* Support: https://ubuntu.com/advantage
0 updates can be applied immediately.
New release '22.04.1 LTS' available.
Run 'do-release-upgrade' to upgrade to it.
Your Hardware Enablement Stack (HWE) is supported until April 2025.
Last login: Fri Dec 23 23:12:49 2022 from 127.0.0.1
- I didn't see any problem here.
LISTEN
sudo lsof -i -n -P | grep LISTEN
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systemd-r 491 systemd-resolve 13u IPv4 19124 0t0 TCP 127.0.0.53:53 (LISTEN)
cupsd 568 root 6u IPv6 22865 0t0 TCP [::1]:631 (LISTEN)
cupsd 568 root 7u IPv4 22866 0t0 TCP 127.0.0.1:631 (LISTEN)
sshd 687 root 3u IPv4 25177 0t0 TCP *:22 (LISTEN)
sshd 687 root 4u IPv6 25179 0t0 TCP *:22 (LISTEN)
Ssh Status
systemctl status sshd
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* ssh.service - OpenBSD Secure Shell server
Loaded: loaded (/lib/systemd/system/ssh.service; enabled; vendor preset: enabled)
Active: active (running) since Fri 2022-12-23 23:18:05 +03; 17min ago
Docs: man:sshd(8)
man:sshd_config(5)
Process: 674 ExecStartPre=/usr/sbin/sshd -t (code=exited, status=0/SUCCESS)
Main PID: 687 (sshd)
Tasks: 1 (limit: 18658)
Memory: 7.3M
CGroup: /system.slice/ssh.service
`-687 sshd: /usr/sbin/sshd -D [listener] 0 of 10-100 startups
Warning: some journal files were not opened due to insufficient permissions.
Local Ports
ss -plnt
State Recv-Q Send-Q Local Address:Port Peer Address:Port Process
LISTEN 0 4096 127.0.0.53%lo:53 0.0.0.0:*
LISTEN 0 128 0.0.0.0:22 0.0.0.0:*
LISTEN 0 5 127.0.0.1:631 0.0.0.0:*
LISTEN 0 128 [::]:22 [::]:*
LISTEN 0 5 [::1]:631 [::]:*
UNF STATUS
sudo ufw status
Status: active
To Action From
-- ------ ----
22/tcp ALLOW Anywhere
22 ALLOW Anywhere
2222/tcp ALLOW Anywhere
22/tcp (v6) ALLOW Anywhere (v6)
22 (v6) ALLOW Anywhere (v6)
2222/tcp (v6) ALLOW Anywhere (v6)
PING
ping 127.0.0.1
PING 127.0.0.1 (127.0.0.1) 56(84) bytes of data.
64 bytes from 127.0.0.1: icmp_seq=1 ttl=64 time=0.031 ms
64 bytes from 127.0.0.1: icmp_seq=2 ttl=64 time=0.039 ms
64 bytes from 127.0.0.1: icmp_seq=3 ttl=64 time=0.056 ms
64 bytes from 127.0.0.1: icmp_seq=4 ttl=64 time=0.040 ms
MobaXterm Connection Problem
