Commands by rthemocap

Commands by rthemocap (6)

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lsof - cleaned up for just open listening ports, the process, and the owner of the process
This is sample output - yours may be different.
-1

alias oports="echo -e "User:\tCommand:\tPort:\n----------------------------" && lsof -i 4 -P -n | awk '/LISTEN/ {print $3, $1, $9}' | sed 's/ [a-z0-9\.\*]*:/ /' | sort -u -k 3 -n | xargs printf '%-10s %-10s %-10s\n'"

rthemocap · 2011-08-04 16:39:04 1
bash alias for sdiff: differ

Often I need to diff two files and want the output side by side for ease of reading and I don't want to see common lines. With this alias I just: differ file1 file2
This is sample output - yours may be different.
0

alias differ='sdiff --suppress-common-lines $1 $2'

rthemocap · 2010-10-12 16:38:34 1
Use the last command's output as input to a command without piping and bind to it to a key sequence in bash.

This is similar to using `!!` or In bash 4.1 it seems you can bind directly to a shell command, but I'm not running that version. Show Sample Output
This is sample output - yours may be different.
```
~: which tcptraceroute                                                    
/usr/bin/tcptraceroute  
                                                                                   
~: ls -al `fc -s`                          
which tcptraceroute
-rwxr-xr-x. 1 root root 38320 2009-07-28 19:10 /usr/bin/tcptraceroute 
```
0

bind '"\C-h": "\`fc\ \-s\`"'

rthemocap · 2010-08-16 17:58:16 0
Find default gateway
This is sample output - yours may be different.
7

ip route | awk '/default/{print $3}'

rthemocap · 2010-08-10 21:16:40 9
Recursive grep of all c++ source under the current directory
This is sample output - yours may be different.
1

find . -name '*.?pp' -exec grep -H "string" {} \;

rthemocap · 2010-07-14 15:10:23 2
Show the 1000*1000 and 1024*1024 size of HDs on system
This is sample output - yours may be different.
1

awk '/d[a-z]+$/{print $4}' /proc/partitions | xargs -i sudo hdparm -I /dev/{} | grep 'device size with M'

rthemocap · 2010-03-02 20:06:03 1

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Listen to a file

replace "/usr/src/linux/kernel/signal.c" with any file you want and listen to its output ! :P you can also replace "cat" with "echo" or anything you can come up with have fun :-}

Find usb device in realtime

Using this command you can track a moment when usb device was attached.

Find out when your billion-second anniversary is (was). (on OS X)

This is the same command as this one, but for OS X. http://www.commandlinefu.com/commands/view/3053/find-out-when-your-billion-second-anniversary-is-was.

for all who don't have the watch command

Backup with versioning

Apart from an exact copy of your recent contents, also keep all earlier versions of files and folders that were modified or deleted. Inspired by the excellent EVACopy http://evacopy.sourceforge.net

search installed files of package, that doesn't remember his name well. On rpm systems

rpm, sometimes, is not wildcard friendly. To search files installed from package this could be useful. change PACKAGENAME to any package do you want to search

Create a tar archive using xz compression

compress directory archive with xz compression, if tar doesn't have the -J option (OSX tar doesn't have -J)

list block devices

Shows all block devices in a tree with descruptions of what they are.

removing syncronization problems between audio and video

This assumes that there is a 10.2 sec delay between the video and the audio (delayed). To extract the original video into a audio and video composites look at the command on extracting audio and video from a movie

Install pip with Proxy

Installs pip packages defining a proxy

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