SSH

5 troubleshooting guides

How to Fix "ssh: connect to host port 22: Connection refused"

Fix 'Connection refused' on SSH port 22. Learn how to check sshd status, open firewalls (UFW/iptables), and resolve AWS EC2 or Raspberry Pi SSH connection error

How to Fix "ssh: connect to host port 22: Connection refused" (and Other SSH Errors)

Comprehensive troubleshooting guide to fix 'ssh connection refused'. Learn to resolve SSH failed connections, permission denied errors, and slow SSH logins.

How to Fix SSH Permission denied (publickey) Error in Linux

Resolve the "Permission denied (publickey)" SSH error quickly. Learn how to fix incorrect file permissions, missing keys, and sshd_config issues on Linux.

SSH Connection Refused: Complete Troubleshooting Guide for Linux

Fix 'ssh: connect to host port 22: Connection refused' fast. Covers sshd daemon, firewalls, port config, permission denied, slow SSH, and full lockout recovery.

SSH Connection Refused: How to Diagnose and Fix Every Variant

Fix SSH connection refused, permission denied, segfault, and slow connections with step-by-step commands. Covers sshd, firewall, keys, and PAM issues.