Commands using awk sorted by votes

Commands using awk (1,418)

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netstat -p recoded (totaly useless..)

Ok so it's rellay useless line and I sorry for that, furthermore that's nothing optimized at all... At the beginning I didn't managed by using netstat -p to print out which process was handling that open port 4444, I realize at the end I was not root and security restrictions applied ;p It's nevertheless a (good ?) way to see how ps(tree) works, as it acts exactly the same way by reading in /proc So for a specific port, this line returns the calling command line of every thread that handle the associated socket
This is sample output - yours may be different.
-5

p=$(netstat -nate 2>/dev/null | awk '/LISTEN/ {gsub (/.*:/, "", $4); if ($4 == "4444") {print $8}}'); for i in $(ls /proc/|grep "^[1-9]"); do [[ $(ls -l /proc/$i/fd/|grep socket|sed -e 's|.*\[$.*$\]|\1|'|grep $p) ]] && cat /proc/$i/cmdline && echo; done

j0rn · 2009-04-30 12:39:48 641
Kill a daemon by name, not by PID

Just find out the daemon with $ netstat -atulpe. Then type in his name and he gets the SIGTERM.
This is sample output - yours may be different.
-5

kill_daemon() { echo "Daemon?"; read dm; kill -15 $(netstat -atulpe | grep $dm | cut -d '/' -f1 | awk '{print $9}') }; alias kd='kill_daemon

P17 · 2009-05-26 20:39:56 7
To print a specific line from a file

I don't know if it's better but works fine :)
This is sample output - yours may be different.
-5

awk '{if (NR == 3) print}' <file>

yooreck · 2009-10-19 15:58:09 5
search for and kill a process in one blow
This is sample output - yours may be different.
-5

ps aux|grep -i [p]rocessname|awk '{ print $2 }'|xargs kill

billcarroll · 2010-04-10 18:42:27 17
How many lines does the passwd file have?
This is sample output - yours may be different.
-5

awk 'END {print NR}' /etc/passwd

Leo_Gutierrez · 2011-06-23 00:33:40 3
Print only the odd lines of a file
This is sample output - yours may be different.
-6

awk '{if (NR % 2 == 1) print $0}' file.txt

twopoint718 · 2009-02-05 18:43:19 24
Check if Fail2Ban is Running

Check if Fail2Ban is running on the system and alert it with a message in the terminal Show Sample Output
This is sample output - yours may be different.
```
[INFO] Fail2Ban is not running

or:

[INFO] Fail2Ban is running and the PID is 3557
```
-6

FAIL2BAN=`ps ax | grep fail2ban | grep -v grep | awk {'print $1'}` && if [ -n "$FAIL2BAN" ]; then printf "\n[INFO] Fail2Ban is running and the PID is %s\n\n" $FAIL2BAN; else printf "\n [INFO] Fail2Ban is not running\n\n"; fi

fmdlc · 2009-02-11 04:36:49 8
kill some pids without specific pid

search_criteria = what do you want to kill pid = pid of you dont kill
This is sample output - yours may be different.
-6

kill -9 `ps aux | grep "search_criteria" | awk '{if ($2 != pid) print $2}'`

ozgurkuru · 2010-09-16 08:52:59 6
Kill any process with one command using program name

Removed unneeded grep -v by making the initial grep unable to match itself.
This is sample output - yours may be different.
-6

ps -ef | grep [j]boss | awk '{print $2}'|xargs kill -9

utoxin · 2010-09-30 15:55:41 3
get LAN ip

get the ip address on your LAN Show Sample Output
This is sample output - yours may be different.
```
192.168.1.102
```
-6

ifconfig |grep broadcast | awk '{print $2}'

fotoflo · 2012-12-05 03:57:46 4
ps -ef | grep PROCESS | grep -v grep | awk '{system "kill -9" $2}
This is sample output - yours may be different.
-6

ps -ef | grep PROCESS | grep -v grep | awk '{system "kill -9" $2}

pepin · 2015-03-21 21:25:07 11
This is a nice way to kill processes.. the example below is for firefox!!! substitute firefox for whatever the process name is...

This is a nice way to kill processes.. the example here is for firefox!!! substitute firefox for whatever the process name is... Show Sample Output
This is sample output - yours may be different.
```
kill -9 7491 
kill -9 7506 
kill -9 7434 
kill -9 7532
```
-7

ps aux | grep -i firefox | grep -v grep | awk '{print $2}' | xargs -t -i kill -9 {}

blackdude · 2009-02-19 18:50:00 11
kill all instances of an annoying or endless, thread-spawning process
This is sample output - yours may be different.
-7

ps auxwww | grep outofcontrolprocess | awk '{print $9}' | xargs kill -9

fpater · 2009-02-20 21:49:38 6
Kill all processes matching a given name

This command kills all processes with 'SomeCommand' in the process name. There are other more elegant ways to extract the process names from ps but they are hard to remember and not portable across platforms. Use this command with caution as you could accidentally kill other matching processes! xargs is particularly handy in this case because it makes it easy to feed the process IDs to kill and it also ensures that you don't try to feed too many PIDs to kill at once and overflow the command-line buffer. Note that if you are attempting to kill many thousands of runaway processes at once you should use 'kill -9'. Otherwise the system will try to bring each process into memory before killing it and you could run out of memory. Typically when you want to kill many processes at once it is because you are already in a low memory situation so if you don't 'kill -9' you will make things worse
This is sample output - yours may be different.
-7

ps axww | grep SomeCommand | awk '{ print $1 }' | xargs kill

philiph · 2009-02-28 17:48:51 11
Pretty print output of

Show Sample Output
This is sample output - yours may be different.
```
1:
root
3410
00:00:00
gpm -m /dev/input/mice -t exps2

2:
root
3424
00:00:00
crond

3:
root
3488
00:00:00
/usr/sbin/atd
```
-8

ps -ef | awk -v OFS="\n" '{ for (i=8;i<=NF;i++) line = (line ? line FS : "") $i; print NR ":", $1, $2, $7, line, ""; line = "" }'

djangofan · 2012-12-04 15:59:53 9
send Everyone on your machine some love

This works just like write or wall ... cept one thing the sender is anonymous ... if you really want to drive everyone insane replace echo \"The Matrix has you...\" with cat /dev/urandom nice one to do on April fool's day Show Sample Output
This is sample output - yours may be different.
```
The Matrix has you... (on all writable ttys)
```
-12

w | egrep -v '(load|FROM)' | awk '{print $2}' | sed 's/^/tty/' | awk '{print "echo \"The Matrix has you...\" >> /dev/" $1}' | bash

copremesis · 2009-04-29 22:04:56 10
get LAN ip

get the ip address on your LAN Show Sample Output
This is sample output - yours may be different.
```
192.168.1.102
```
-12

ifconfig |grep broadcast | awk '{print $2}'

fotoflo · 2012-12-05 03:57:51 9
for i in $(grep 'mystring' myfile1)|awk '{print $1}'); do grep $1 myfile2;done
This is sample output - yours may be different.
-14

for i in $(grep 'mystring' myfile1)|awk '{print $1}'); do grep $1 myfile2;done

msh · 2011-03-15 16:18:29 5
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Get your default route

This gets you your default route programatically, useful for scripts

ROT13 whole file in vim.

gg puts the cursor at the begin g? ROT13 until the next mov G the EOF

List alive hosts in specific subnet

Works on any machine with nmap installed. Previous version does not work on machines without "seq". Also works on subnets of any size.

Create a random file of a specific size

This will create a 10 MB file named testfile.txt. Change the count parameter to change the size of the file. As one commenter pointed out, yes /dev/random can be used, but the content doesn't matter if you just need a file of a specific size for testing purposes, which is why I used /dev/zero. The file size is what matters, not the content. It's 10 MB either way. "Random" just referred to "any file - content not specific"

Print all open regular files sorted by the number of file handles open to each.

This command run fine on my Ubuntu machine, but on Red Hat I had to change the awk command to `awk '{print $10}'`.

Google URL shortener

Use curl and sed to shorten an URL using goo.gl without any other api

Show apps that use internet connection at the moment. (Multi-Language)

Show apps that use internet connection at the moment. Can be used to discover what programms create internet traffic. Skip the part after awk to get more details, though it will not work showing only unique processes. This version will work with other languages such as Spanish and Portuguese, if the word for "ESTABLISHED" still contain the fragment "STAB"(e.g. "ESTABELECIDO")

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 EVACopy http://evacopy.sourceforge.net

Ultimate current directory usage command

Based on the MrMerry one, just add some visuals to differentiate files and directories

a find and replace within text-based files, for batch text replacement, not using perl

Use sed to edit in-place a list of files returned by find.

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Commands using awk (1,418)

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