sergepetit
sergepetit
/ loopback_aliases.sh
Created
October 25, 2013 12:39
It is sometimes convenient to have several distinct ip addresses pointing to your loopback. By default in OSX, you only have 127.0.0.1 in ip v4. You can add aliases with ifconfig.
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| #!/bin/bash | |
| #use -alias do remove an entry | |
| ifconfig lo0 alias 127.0.1.1 | |
| ifconfig lo0 alias 127.0.1.2 | |
| ifconfig lo0 alias 127.0.1.3 | |
| ifconfig lo0 alias 127.0.1.4 |
sergepetit
/ tips_lsof.sh
Last active
May 12, 2022 12:39
Shell command lsof : see open files and ports; Selection is OR by default, use -a for AND; Tested on OSX
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| #List all ports for tcp | |
| sudo lsof -itcp | |
| #all ports for tcp, dont resolve port name from numbers | |
| sudo lsof -itcp -P | |
| #open files and ports of process #$PID | |
| sudo lsof -p $PID | |
| #only ports of tcp for process #$PID, dont resolve port name, dont resolve ip name |