TLDR
Enter a command. For example: ledctl, numactl, cpupower, ceph.

ifup

 
Tool used to enable network interfaces. More information: https://manpages.debian.org/latest/ifupdown/ifup.8.html.
 
  • Enable interface eth0:
     
    ifup {{eth0}}
     
  • Enable all the interfaces defined with "auto" in /etc/network/interfaces:
     
    ifup -a
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