TLDR
Enter a command. For example: scontrol, sar, arch chroot, vpnc.

ip rule

 
IP routing policy database management. More information: https://man7.org/linux/man-pages/man8/ip-rule.8.html.
 
  • Display the routing policy:
     
    ip rule {{show|list}}
     
  • Add a new rule based on packet source addresses:
     
    sudo ip rule add from {{192.168.178.2/32}}
     
  • Add a new rule based on packet destination addresses:
     
    sudo ip rule add to {{192.168.178.2/32}}
     
  • Delete a rule based on packet source addresses:
     
    sudo ip rule delete from {{192.168.178.2/32}}
     
  • Delete a rule based on packet destination addresses:
     
    sudo ip rule delete to {{192.168.178.2/32}}
     
  • Flush all deleted rules:
     
    ip rule flush
     
  • Save all rules to a file:
     
    ip rule save > {{path/to/ip_rules.dat}}
     
  • Restore all rules from a file:
     
    ip rule restore < {{path/to/ip_rules.dat}}

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