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20 tall on the Linux command

Reprinted [Cheny] (http://blog.csdn.net/apache0554/article/details/45850749) blog


1. to root on a

command execution account



sudo!! 
!


2. by Python to build a simple Web server, the http://$HOSTNAME:8000 access




python -m SimpleHTTPServer


The 3. switch to the last access directory




cd -


4. the last command in the foo replacement for bar, and the implementation of




^foo^bar
5. traceroute + Ping



mtr google.com


6. fast call an editor to write a command






ctrl-x e


7. to execute a command, but not to save

in the command history





command


8. re initialization of

terminal





reset


9. call the parameter used in the last command






'ALT+.'or'.'


10. to more clearly display the current

file system mount system





mount column -t
|


11. execute the command

at a given time





"
echo LS -l" at midnight
|


12. through the DNS query Wikipedia

console





dig +short TXT .wp.dg.cx


13. open the tunnel

from the 80 port to your local 2001 port



ssh -N -L2001:localhost:80 somemachine




14. quick access to ASCII table






man ascii


15. get your external IP address






curl ifconfig.me


16.!! said the repeated execution of a command, and use gs/foo/bar to replace the

operation:







!!: gs/foo/bar/
!


Your microphone to the speaker output 17.

remote machine





dd if=/dev/dsp SSH -c arcfour -C username@host DD | of=/dev/dsp


18. mount a temporary memory partition






mount, -t, TMPFS, TMPFS, /mnt, -o, size=1024m


19. SSH way to mount the directory / file system






sshfs name@server:/path/to/folder /path/to/mount/point


20. update curl through Twitter






curl, -u, user:pass, -d, status=, Tweeting, from, the, shell, http://twitter.com/statuses/update.xml


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