Commands by ethanmiller

Commands by ethanmiller (7)

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Revert all modified files in an SVN repo
This is sample output - yours may be different.
5

svn st | grep -e '^M' | awk '{print $2}' | xargs svn revert

ethanmiller · 2010-08-11 14:24:05 3
Replace spaces in filenames with underscores

I realize there's a few of these out there, but none exactly in this form, which seems the cleanest to me
This is sample output - yours may be different.
9

for f in *;do mv "$f" "${f// /_}";done

ethanmiller · 2010-01-29 19:57:16 5
Watch postgresql calls from your application on localhost

It's certainly not nicely formatted SQL, but you can see the SQL in there...
This is sample output - yours may be different.
1

sudo tcpdump -nnvvXSs 1514 -i lo0 dst port 5432

ethanmiller · 2009-12-18 17:12:44 4
Email HTML content

Note, this works because smtp is running
This is sample output - yours may be different.
2

mailx bar@foo.com -s "HTML Hello" -a "Content-Type: text/html" < body.htm

ethanmiller · 2009-05-19 04:49:26 5
Recursively change permissions on files, leave directories alone.
This is sample output - yours may be different.
34

find ./ -type f -exec chmod 644 {} \;

ethanmiller · 2009-04-22 21:14:36 17
Browse shared folder when you're the only Linux user

Under Ubuntu smbclient is part of the samba package. With the version I use (3.0.28a) cd-ing into folders with spaces in the name is a drag. You have to put the folder name in quotes: smb: \Shared\> cd "Marketing and PR"
This is sample output - yours may be different.
3

smbclient -U userbob //10.1.1.75/Shared

ethanmiller · 2009-04-22 19:58:51 10
Send an http HEAD request w/curl
This is sample output - yours may be different.
0

curl -i -X HEAD http://localhost/

ethanmiller · 2009-03-25 17:34:39 7

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Backup files older than 1 day on /home/dir, gzip them, moving old file to a dated file.

Useful for backing up old files, custom logs, etc. via a cronjob.

Find usb device in realtime

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

create a progress bar...

A simple way yo do a progress bar like wget.

check open ports without netstat or lsof

Show simple disk IO table using snmp

Show a simple table with disk IO for the specified host. you monitor a LOT of different thing. Mostly used for MRTG and similar, but this is nice for a quick look, which disk is busy. "public" is your SNMP community ensure that snmpd is running on the host which you intend to monitor

Process command output line by line in a while loop

This snippet allows to process the output of any bash command line by line.

Compress a series of png pictures to an avi movie.

cd /path/to/your/png_pics mencoder "mf://*.png" -mf fps=2 -o output.avi -ovc lavc -lavcopts vcodec=mpeg4 then you can get a movie named output.avi.

send a circular

Prefix every line with a timestamp

Useful to add a timestamp to every line printed to stdout. You can use `-Ins` instead of `-Iseconds` if you want more precision.

Top ten (or whatever) memory utilizing processes (with children aggregate) - Can be done without the multi-dimensional array

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