Commands using grep sorted by votes

Commands using grep (1,935)

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Return the one-liner google response for queries like "12*24" or "what time is it in the uk"
This is sample output - yours may be different.
0

google() { Q="$@"; GOOG_URL='https://www.google.com/search?q='; AGENT="Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/33.0.1750.152 Safari/537.36" elinks -dump "${GOOG_URL}${Q//\ /+}" | grep "\*" | head -1 }

runvnc · 2014-04-17 07:37:25 5
Get the URL for the git-annex webapp
This is sample output - yours may be different.
0

grep URL ~/annex/.git/annex/webapp.html | tr -d '">' | awk -F= '{print $4 "=" $5}'

kseistrup · 2014-04-20 08:46:37 8
AIX: get LUN ID for a given filesystem

For a given filesystem return the LUN ID. Command assumes 1:1 relationship between fs:lv:hdisk:lun which may not be the case in all environments. Show Sample Output
This is sample output - yours may be different.
```
$ getlunid /usr
371100c801ef00004c0000000102745c6e41.105VDASD03AIXvscsi
```
0

getlunid() { lv=$(df -P $1|grep "^/dev/"|awk '{print $1}'|awk -F/ '{print $3}'); hd=$(lslv -l $lv|tail -1|awk '{print $1}');id=$(odmget -q "name like $hd AND attribute=unique_id" CuAt|grep "value ="|awk -F= '{print $2}'|tr -d '"');echo $id;}

bigstupid · 2014-04-20 18:43:21 6
Convert all .weblock files in present directory (Apple url) to a url on the stdout.

Convert all .weblock files (Apple url) to a url on the stdout.
This is sample output - yours may be different.
0

strings * |grep -v "Apple" |grep http |uniq |sed "s/<[^>]\+>//g"

metaverse · 2014-04-24 17:18:33 6
get process id with program name
This is sample output - yours may be different.
0

ps -efa | grep httpd | grep -v grep | awk '{ print $2 }' |xargs

simplewall · 2014-04-25 18:38:43 6
Get MAC ID linux command line

Many tasks need mac id check. above command exactly do the same Show Sample Output
This is sample output - yours may be different.
```
001D292B2668
```
0

ifconfig |grep HWaddr |cut -d ' ' -f 1,11 |grep eth0 |cut -d ' ' -f 2|xargs | awk -F':' '{ print $1$2$3$4$5$6 }'

simplewall · 2014-04-25 18:43:47 13
To Find CVE fix from the rpm log

Found it online and could be very useful
This is sample output - yours may be different.
0

for i in $(cat vulns.txt); do echo $i; rpm -qa ?changelog | grep -i $i; done

sonny108 · 2014-04-30 16:11:14 6
Check reachable sites
This is sample output - yours may be different.
0

10,30,50 * * * * ping -q -c1 -w3 www.test.com | grep '1 received' - || mail -ne -s'Host 192.168.0.14 not reachable' test@gmail.com

blendisela · 2014-05-01 11:37:15 11
To get the average httpd process size, log into your server and run the following on the command line
This is sample output - yours may be different.
0

ps aux | grep 'httpd' | awk '{print $6/1024 " MB";}'

djzander · 2014-05-15 17:44:01 9
If you want to calculate the average on-the-fly
This is sample output - yours may be different.
0

ps aux | grep 'httpd' | awk '{print $6/1024;}' | awk '{avg += ($1 - avg) / NR;} END {print avg " MB";}'

djzander · 2014-05-15 17:44:50 7
find the full amount of ram associated with mysql
This is sample output - yours may be different.
0

ps aux | grep 'mysql' | awk '{print $6/1024 " MB";}'

djzander · 2014-05-15 17:45:37 8
The cycle count information is displayed among the other known battery information.

Better to use this command instead of installing whole new application to check the battery stats. Show Sample Output
This is sample output - yours may be different.
```
    | |           "MaxCapacity" = 6629
    | |           "CurrentCapacity" = 6629
    | |           "LegacyBatteryInfo" = {"Amperage"=0,"Flags"=5,"Capacity"=6629,"Current"=6629,"Voltage"=12843,"Cycle Count"=32}
    | |           "DesignCapacity" = 6330
```
0

ioreg -l | grep Capacity

oieesah · 2014-05-22 11:39:49 7
Kill the X Server

There are times when a X Window server hangs. When this happens, you can log in on a terminal and kill the Xorg process (i.e. the X Server). This one line command will do the trick.
This is sample output - yours may be different.
0

sudo kill -9 $( ps -e | grep Xorg | awk '{ print $1 }' )

jeffskinnerbox · 2014-06-01 22:43:32 7
Number of apache2 processes running with memory usage filter (sorting asc)
This is sample output - yours may be different.
0

watch -n0.5 'ps -e -o pid,vsz,comm= | sort -n -k 2 | grep apache | wc -l'

djzander · 2014-06-06 12:56:30 7
Detect Connections On Port - Android

Show If Someone Is Connected To The Android Device On And Get Their IP Address
This is sample output - yours may be different.
0

netstat -lptu | grep -E "22.*ESTABLISHED" | cut -s -d ':' -f2 | awk '{print $2}'

DarkXDroid · 2014-06-13 08:38:16 23
Search google.com on your terminal

Mac OSX friendly version of google function Show Sample Output
This is sample output - yours may be different.
```
http://www.bbc.co.uk/schoolradio/subjects/earlylearning/nurserysongs/P-T/row_row_row_your_boat
http://www.bbc.co.uk/schoolradio/subjects/earlylearning/nurserysongs/P-T/row_row_row_your_boat
http://www.wordsforlife.org.uk/songs/row-your-boat
http://supersimplelearning.com/other-songs/row-row-row-your-boat/
http://wiki.kcls.org/index.php/Row,_Row,_Row_Your_Boat
http://bussongs.com/songs/row-row-row-your-boat.php
```
0

function google { Q="$@";GOOG_URL='https://www.google.com/search?tbs=li:1&q=';AGENT="Mozilla/4.0";stream=$(curl -A "$AGENT" -skLm 10 "${GOOG_URL}${Q//\ /+}");echo "$stream" | grep -o "href=\"/url[^\&]*&" | sed 's/href=".url.q=$[^\&]*$.*/\1/';}

davethomas11 · 2014-06-18 17:20:41 6
Get result of command in pipe sequence

Using the $PIPESTATUS array you can get the results of a command in a sequence of commands piped together. The command above returns the result of grep -o "bob", which is exit result of 1 since no match was made. Show Sample Output
This is sample output - yours may be different.
```
1
```
0

echo "Dave" | grep -o "bob" | sed 's/D/f/'; echo ${PIPESTATUS[1]};

davethomas11 · 2014-06-21 04:00:53 10
Btrfs: Find file names with checksum errors

Filter entries in OpenSuse /var/log/messages like: timestamp servername kernel: [83242.108090] btrfs: checksum error at logical 1592344576 on dev /dev/sda5, sector 5223584, root 5, inode 2652, offset 282624, length 4096, links 1 (path: log/warn) Show Sample Output
This is sample output - yours may be different.
```
lib/mysql/ib_logfile0
lib/mysql/ibdata1
log/warn
```
0

grep "btrfs: checksum error at logical" /var/log/messages | egrep -o "[^ ]+$" | tr -d ')' | sort | uniq

jcoll · 2014-07-01 08:15:26 7
Btrfs: Find file names with checksum errors

btrfs checksum errors console report. Show Sample Output
This is sample output - yours may be different.
```
btrfs checksum error(s) on: 
         dev /dev/sda5, path: lib/mysql/ib_logfile0
         dev /dev/sda5, path: lib/mysql/ibdata1
         dev /dev/sda5, path: log/warn
```
0

echo "btrfs checksum error(s) on: " && grep "btrfs: checksum error at logical" /var/log/messages | sed -e 's/^.*$ dev .*$$, sector.*$$path\: .*$)/\t\1, \3/' | sort | uniq

jcoll · 2014-07-01 08:56:05 7
Grab all JIRA ticket numbers (e.g. ABC-123) mentioned in commits added in feature branch off of master

To get the list of tickets in a comma-separated list, pipe the above into: sort | uniq | perl -pe 's/\n/, /' | sed 's/, $//' Show Sample Output
This is sample output - yours may be different.
```
ABC-123
ABC-124
ABC-145
```
0

git log master...feature-a | grep -o -E '\b([A-Z]+)-[0-9]+\b' | sort | uniq

westonruter · 2014-07-07 18:51:01 6
grep an array item, like a_var[11], in a file

Just want to show the "+" usage in the grep command. And if using egrep, thing would be a little bit easier: grep -n "arrname\[[[:digit:]]+\]" filename Show Sample Output
This is sample output - yours may be different.
```
filename:11: printf("%d\n", arrname[1]);
filename:14: printf("%d\n", arrname[12]);
```
0

grep -n "arrname\[[[:digit:]]\+\]" filename

sleepy_11 · 2014-07-09 08:02:01 7
Append html-extension to all files in a directory structure that contains html-code.
This is sample output - yours may be different.
0

find . |xargs grep '<html\|<body\|<table' |sed '/~/d;s/:.*//' |sed 's/.*/mv & &.html/' |uniq >run.sh; sh run.sh

mobluse · 2014-07-09 19:20:40 13
show filenames in tail output with color

This shows the the filenames of tail output in color. Helpful if you have many log files to tail
This is sample output - yours may be different.
0

tail -f *.log | grep --color=always '|==>.+<=='

danimath · 2014-07-11 07:47:27 7
scan folder to check syntax error in php files

Same but will only returns the invalid file (great when emailing the list to the team).
This is sample output - yours may be different.
0

find . -name "*.php" -exec php -l {} \; | grep found

azizsaleh · 2014-07-11 14:17:34 7
Postfix: Mailboxes over quota in queue
This is sample output - yours may be different.
0

postqueue -p | grep -A 1 "over quota" | grep @ | sort | uniq | tr --delete ' '

rmontagud · 2014-07-14 08:23:43 12
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cd into the latest directory

Convert entire audio library in parallel

Uses parallel processing Reiteration of my earlier command https://www.commandlinefu.com/commands/view/15246/convert-entire-music-library Usage lc Old_Directory New_DIrectory Old_Format New_Format lc ~/Music ~/Music_ogg mp3 ogg

use vim to get colorful diff output

:q to quit

easily find megabyte eating files or directories

Find default gateway

Remove all mail in Postfix mail queue.

Generate a list of items from a couple of items lists A and B, getting (B - A ) set

ItemsListtoAvoid (A) could be a list of files with a special characteristic to exclude. It can be a result of previous processing list, ex. a list of files containing a special string. AlItemsList.txt (B) Is a complete list of items including some or all items in A. $Difference is saved in ItemsDifference.txt

gpg decrypt several files

Change directory (cd) to the directory where all your encrypted files are placed, and then run the command - then you are asked to insert your secret gpg password - ubuntu 8.04

Show current working directory of a process

Permanent mysql ssh tunnel to server

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Commands using grep (1,935)

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