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macos - SSH -L connection successful, but localhost port forwarding not working "channel 3: open failed: connect failed: Connection refused" - Stack Overflow
![FTL failed to start due to failed to create listening socket for port 53: Address already in use - Help - Pi-hole Userspace FTL failed to start due to failed to create listening socket for port 53: Address already in use - Help - Pi-hole Userspace](https://b2discourse.pi-hole.net/original/3X/2/e/2ecdb90c36fcc29dd5214fd2eb228de22f4aefb4.jpeg)
FTL failed to start due to failed to create listening socket for port 53: Address already in use - Help - Pi-hole Userspace
channel_setup_fwd_listener_tcpip: cannot listen to port: 8081 · Issue #1993 · googledatalab/datalab · GitHub
channel_setup_fwd_listener_tcpip: cannot listen to port: 8081 · Issue #1993 · googledatalab/datalab · GitHub
FIXED] kubectl-tunnel cannot bind: Cannot assign requested address · Issue #20 · mesosphere/dcos-kubernetes-quickstart · GitHub
channel_setup_fwd_listener_tcpip: cannot listen to port: 8081 · Issue #1993 · googledatalab/datalab · GitHub
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