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Commands using grep

Commands using grep from sorted by
Terminal - Commands using grep - 1,374 results
ps -e | grep SearchStringHere
2009-02-05 15:41:00
User: Sanjay
Functions: grep ps
-2
Up
Down
Search for a running process through grep
Comments (1) | Add to favourites | Report as malicious | Submit alternative | Report as a duplicate
lsof -i -n | grep ESTABLISHED
2009-02-05 15:28:11
User: systemj
Functions: grep
5
Up
Down
list processes with established tcp connections (without netstat)

Uses lsof to list open network connections (file descriptors), grepping for only those in an established state

Comments (0) | Add to favourites | Report as malicious | Submit alternative | Report as a duplicate
ps -ef | grep $USER
2009-02-05 14:57:39
User: ryodoan
Functions: grep ps
0
Up
Down
Find all processes running under your username.

I like to make it an alias in my .bashrc file, as such:

alias psme='ps -ef | grep $USER'

Show sample output | Comments (1) | Add to favourites | Report as malicious | Submit alternative | Report as a duplicate
mysql -u uname dbname -e "show tables" | grep -v Tables_in | grep -v "+" | gawk '{print "optimize table " $1 ";"}' | mysql -u uname dbname
2009-02-05 14:54:22
User: dlamotte
Functions: gawk grep uname
2
Up
Down
command line to optimize all table from a mysql database
Comments (0) | Add to favourites | Report as malicious | Submit alternative | Report as a duplicate
mysql -u uname dbname -e "show tables" | grep -v Tables_in | grep -v "+" | gawk '{print "drop table " $1 ";"}' | mysql -u uname dbname
2009-02-05 14:53:09
User: dlamotte
Functions: gawk grep uname
-1
Up
Down
command line to drop all table from a databse
Comments (0) | Add to favourites | Report as malicious | Submit alternative | Report as a duplicate
lspci | grep Ether | awk '{ VAR=$1; split(VAR,ARR,"."); count[ARR[1]]++; LINE=$0; split(LINE,LINEARR,":"); LINECOUNT[ARR[1]]=LINEARR[3]; } END { for(i in count) { printf("PCI address: %s\nPorts: %d\nCard Type: %s\n", i, count[i], LINECOUNT[i]) } }'
2009-02-05 14:24:59
User: bpfx
Functions: awk grep lspci
3
Up
Down
Show number of NIC's, ports per nic and PCI address
Comments (1) | Add to favourites | Report as malicious | Submit alternative | Report as a duplicate
echo "SHOW PROCESSLIST\G" | mysql -u root -p | grep "Info:" | awk -F":" '{count[$NF]++}END{for(i in count){printf("%d: %s\n", count[i], i)}}' | sort -n
2009-02-05 14:24:20
User: bpfx
Functions: awk echo grep sort
6
Up
Down
Count the number of queries to a MySQL server
Comments (1) | Add to favourites | Report as malicious | Submit alternative | Report as a duplicate
ps awwwux | grep httpd | grep -v grep | awk '{mem = $6; tot = $6 + tot; total++} END{printf("Total procs: %d\nAvg Size: %d KB\nTotal Mem Used: %f GB\n", total, mem / total, tot / 1024 / 1024)}'
2009-02-05 14:19:51
User: bpfx
Functions: awk grep ps
0
Up
Down
Total procs, avg size (RSS) and Total mem use
Comments (1) | Add to favourites | Report as malicious | Submit alternative | Report as a duplicate
sudo lsof | awk '{printf("%s %s %s\n", $1, $3, $NF)}' | grep -v "(" | sort -k 4 | gawk '$NF==prv{ct++;next} {printf("%d %s\n",ct,$0);ct=1;prv=$NF}' | uniq | sort -nr
2009-02-05 14:18:57
User: bpfx
Functions: awk gawk grep sort sudo uniq
2
Up
Down
To find the count of each open file on a system (that supports losf)
Comments (0) | Add to favourites | Report as malicious | Submit alternative | Report as a duplicate
grep -v "^#" file.txt | more
2009-02-05 14:07:28
User: briealeida
Functions: grep
1
Up
Down
view all lines without comments.
Comments (1) | Add to favourites | Report as malicious | Submit alternative | Report as a duplicate
ps -ef | grep [f]oo | awk '{print $2}' | xargs kill -9
2009-02-05 13:43:01
User: eredicatorx
Functions: awk grep kill ps xargs
1
Up
Down
kill all foo process

Kill all processes with foo in them. Similar to pkill but more complete and also works when there is no pkill command.

Works on almost every Linux/Unix platform I have tried.

Comments (2) | Add to favourites | Report as malicious | Submit alternative | Report as a duplicate
alias 'ps?'='ps ax | grep '
2009-02-05 13:36:37
User: fzero
Functions: alias grep
49
Up
Down
Easily search running processes (alias).
Show sample output | Comments (12) | Add to favourites | Report as malicious | Submit alternative | Report as a duplicate
nm --defined-only --print-file-name lib*so 2>/dev/null | grep ' pthread_create$'
2009-02-05 12:43:05
User: kumara
Functions: grep nm
1
Up
Down
look for a function reference in a library set
Comments (0) | Add to favourites | Report as malicious | Submit alternative | Report as a duplicate
strings libc-2.2.5.so | grep stat.h
2009-02-05 12:41:41
User: kumara
Functions: grep strings
0
Up
Down
look for a header reference in a shared library
Comments (0) | Add to favourites | Report as malicious | Submit alternative | Report as a duplicate
diff -q dir1/ dir2/ | grep differ | awk '{ print "vimdiff " $2 " " $4 }'
2009-02-05 12:37:00
User: binaryslate
Functions: awk diff grep
1
Up
Down
diff directories, quick cut and paste to view the changes

We use this to quickly highlight differences and provide a quick way to cut and paste the command to view the files using the marvellous vimdiff

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screen -ls | grep main && urxvt -name screen -e screen -x main || urxvt -name screen -e screen -R -S main
2009-02-05 10:51:31
User: trey
Functions: grep screen
0
Up
Down
Start urxvt and do whatever is needed to open the screen session named "main"

Open a terminal (urxvt in this case) to connect to a screen session (named "main") and create the screen session if necessary.

Comments (0) | Add to favourites | Report as malicious | Submit alternative | Report as a duplicate
find . -type f -print0 | grep -vzZ '.svn' | xargs -0 grep --color -nEHi "SEARCHTERM"
2009-02-05 10:27:15
User: troelskn
Functions: find grep xargs
-3
Up
Down
Search through files, ignoring .svn

Variant of find grep that ignores files with .svn in the name. Useful for searching through a local repository of source code.

Comments (3) | Add to favourites | Report as malicious | Submit alternative | Report as a duplicate
zcat /usr/share/man/man1/grep.1.gz | grep "color"
2009-02-04 09:38:45
User: root
Functions: grep zcat
-7
Up
Down
Search gzipped files

This decompresses the file and sends the output to STDOUT so it can be grepped. A good one to put in loops for searching directories of gzipped files, such as man pages.

Show sample output | Comments (2) | Add to favourites | Report as malicious | Submit alternative | Report as a duplicate
bind -p | grep -F "\C"
2009-02-03 16:22:14
User: root
Functions: grep
Tags: keyboard shortcuts
5
Up
Down
Display all readline binding that use CTRL

Useful for getting to know the available keyboard shortcuts.

Show sample output | Comments (0) | Add to favourites | Report as malicious | Submit alternative | Report as a duplicate
find /path/to/dir -type f -exec grep \-H "search term" {} \;
2009-01-26 16:32:14
User: root
Functions: find grep
-1
Up
Down
Find the files that contain a certain term

Simple use of find and grep to recursively search a directory for files that contain a certain term.

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grep -o "\(new \(\w\+\)\|\w\+::\)" file.php | sed 's/new \|:://' | sort | uniq -c | sort
2009-01-26 12:08:47
User: root
Functions: grep sed sort uniq
-2
Up
Down
Analyse a PHP file for instantations and static calls

This grabs all lines that make an instantation or static call, then filters out the cruft and displays a summary of each class called and the frequency.

Show sample output | Comments (0) | Add to favourites | Report as malicious | Submit alternative | Report as a duplicate
find . -name "*.php" -exec grep \-H "new filter_" {} \;
2009-01-26 10:43:09
User: root
Functions: find grep
-1
Up
Down
Display PHP files that directly instantiate a given class

This greps all PHP files for a given classname and displays both the file and the usage.

Show sample output | Comments (0) | Add to favourites | Report as malicious | Submit alternative | Report as a duplicate
alias cr='find . 2>/dev/null -regex '\''.*\.\(c\|cpp\|pc\|h\|hpp\|cc\)$'\'' | xargs grep --color=always -ni -C2'
2009-01-26 08:54:25
User: chrisdrew
Functions: alias grep xargs
0
Up
Down
Creates a customized search command

Creates a command alias ('cr' in the above example) that searches the contents of files matching a set of file extensions (C & C++ source-code in the above example) recursively within the current directory. Search configured to be in colour, ignore-case, show line numbers and show 4 lines of context. Put in shell initialisation file of your choice. Trivially easy to use, e.g:

cr sha1_init
Show sample output | Comments (2) | Add to favourites | Report as malicious | Submit alternative | Report as a duplicate
find . -name "*\.php" | xargs grep -o --color "\w\+::\w\+" | cut -d":" -f2 | sort | uniq -c
2009-01-20 23:18:06
User: root
Functions: cut find grep sort uniq xargs
3
Up
Down
Display a list of all PHP classes that are called statically

Searches all .php files for a static instantiation of a class and displays the class names along with their frequencies.

Comments (0) | Add to favourites | Report as malicious | Submit alternative | Report as a duplicate