- Network Diagnostic:
- Tools like PING, MTR, TRACEROUTE
- There is a service on ubuntu called: systemd-networkd
- Enable it and start it's service
- Linode Help
- Basic Linux Network Diagnostic
- How to Resolve “Temporary failure in name resolution” Issue
- Diagnosing Network Issues with MTR
- Troubleshooting Basic Connection Issues
Did all of your services start after the reboot? Use the commands below to check active services
sudo netstat -plntu
systemctl list-units --type=service
service --status-all
After all the race, what where my problems are
- World write permissions
- Wrong root folder permissions. SOLVED:
sudo chmod 0755 /
- Link for that: here