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Commands by wwest4 from sorted by
Terminal - Commands by wwest4 - 37 results
watch -n 5 -d cat /proc/mdstat
e2label /dev/vg0/lv0 MyFiles
v=/dev/vg0/lv0; lvextend -L+200G $v && resize2fs $v
2009-02-28 02:30:49
User: wwest4
Functions: resize2fs

Live extension of an ext3 file system on logical volume $v by 200GB without the need to unmount/remount.

Requires that you have 1) a version of resize2fs that contains code merged from ext2online, and 2) kernel support for online resizing. (e.g. RHEL 5)

while [ 0 ]; do echo -e "HTTP/1.1 302 Found\nLocation: http://www.whatevs.com/index.html" | nc -vvvv -l -p 80; done
2009-02-19 18:04:01
User: wwest4
Functions: echo

any HTTP requests to the machine on the specified port will be redirected to http://www.whatevs.com... quick, dirty, works fine for sites w/

ipconfig /flushdns
alias rk='d=$(dcop|grep $PPID) && s=$(dcop $d konsole currentSession) && dcop $d $s renameSession'
2009-02-14 00:02:43
User: wwest4
Functions: alias

usage: renam

in a script you must replace $PPID with $(awk '{print $4}' /prod/$PPID/stat)

while [ 0 ]; do expr 2365200000 \- `date +%s` \- `date --date "YYYY-mm-dd HH:MM:ss" +%s`; sleep 1; clear; done
2009-02-13 20:02:37
User: wwest4
Functions: expr sleep

watch the seconds of your life tick away - replace YYYY-mm-dd HH:MM:ss w/ your birthtime.

alias chop="tr -d '\r\n'"
2009-02-13 01:44:11
User: wwest4
Functions: alias

similar to perl chop()

alias mute="dcop kmix Mixer0 toggleMasterMute\(\) ; dcop kmix Mixer0 masterMute\(\) | sed -e 's/true/muted/' -e 's/false/unmuted/' "
2009-02-12 04:56:33
User: wwest4
Functions: alias

arguably better than using the driver interface. lots of potentially cool stuff to be done w/ the dcop client.

nmap -sP
2009-02-11 20:44:43
User: wwest4

nmap accepts a wide variety of addressing notation, multiple targets/ranges, etc.

2009-02-11 19:34:21
User: wwest4

e.g. if rm is aliased for 'rm -i', you can escape the alias by prepending a backslash:

rm [file] # WILL prompt for confirmation per the alias

\rm [file] # will NOT prompt for confirmation per the default behavior of the command

rm -- --myfile
dig foo.org mx +short
jstat -gc [jvmpid]
dos2unix dostxt unixtxt
2009-02-05 21:11:43
User: wwest4

converts non-ISO dos text files for use on unix systems.

touch -acm yyyymmddhhMM.ss [file]
2009-02-05 21:07:09
User: wwest4
Functions: touch

...changes modify time and access time. also:

touch -r [file1] [file2] # make file2 timestamp match file1

ldconfig -p
2009-02-05 21:02:59
User: wwest4
Functions: ldconfig

shows which shared lib files are pointed to by the dynamic linker.

export SSH_AUTH_SOCK=`find /tmp/ssh* -type s -user [user] -mtime -1 | head -1`
2009-02-05 20:55:41
User: wwest4
Functions: export head

Must be done as root - will cause subsequent ssh connections to use the identities available via the [user]'s agent socket.

xxd < orig | sed 's/A/B/' | sed 's/HEXA/HEXB/' | xxd -r > new
2009-02-05 20:25:04
User: wwest4
Functions: sed

Replaces A with B in binary file "orig" and saves the result to "new". You must have the hex representations of A & B. Try od: echo -e "A\c" | od -An -x

echo -n "search> ";read QUERY && wget -O - `wget -O - -U "Mozilla/5.0" "http://images.google.com/images?q=${QUERY}" 2>/dev/null |sed -e 's/","http/\n","http/g' |awk -F \" '{print $3}' |grep -i http: |head -1` > "$QUERY"
2009-02-05 19:50:53
User: wwest4
Functions: echo wget

prompts for a search term and then pulls down the first result from google images

rpm --query --filesbypackage [packagename]
find $PWD -exec rpm --query -f {} \; | sort -u | grep -v "not owned"
2009-02-05 19:33:43
User: wwest4
Functions: find grep rpm sort

shows all RPMs with files in the current directory & its subdirectories.

find /path/to/dir -type f -mtime +[#] -exec rm -f {} \;
2009-02-05 19:24:13
User: wwest4
Functions: find rm

deletes logs not modified in over [#] days - modify to compress or move, as needed

dd if=/dev/zero bs=1024 count=1440 > floppy.img && mkdosfs floppy.img
2009-02-05 18:56:55
User: wwest4
Functions: dd mkdosfs

mount with:

mount -t msdos -o loop ./floppy.img /tmp/mnt

openssl s_client -connect [host]:[sslport] -cipher LOW
2009-02-05 18:37:50
User: wwest4

...if you get a certificate back, the server is accepting weak SSL ciphers