#Linux 5 [play, chvt, arecord, mutt, curl] useful cli oneliners.

• PLAY local microphone on remote machine's speakers. Fun for pranks. Uses sox package:
  $ rec -t wav - | ssh user@remotehost play -t wav -
  
  

• CHVT Go to vt number 3: sudo chvt 3
  
  

• ARECORD Register an .mp3 audio from microphone input:
  $ arecord -f cd -t raw | lame -r - out.mp3
  
  

• MUTT Send email with two attachs [two options]:

$ mutt -s "Subject" -a doc.pdf -a img.jpg -- [email protected] < body.txt
$ echo “body...” | mutt -s "Subject" -a doc.pdf -a img.jpg -- [email protected]

• CURL Get your ip address: curl icanhazip.com