Commands using cut (587)
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List top 20 IP from which TCP connection is in SYN_RECV state. Useful on web servers to detect a syn flood attack. Replace SYN_ with ESTA to find established connections Show Sample Output
3netstat -pant 2> /dev/null | grep SYN_ | awk '{print $5;}' | cut -d: -f1 | sort | uniq -c | sort -n | tail -20 -
This will tell you who has the most Apache connections by IP (replace IPHERE with the actual IP you wish to check). Or if you wish, remove | grep -c IPHERE for the full list.
3netstat -anl | grep :80 | awk '{print $5}' | cut -d ":" -f 1 | uniq -c | sort -n | grep -c IPHERE -
queries local memcached for stats, calculates hit/get ratio and prints it out. Show Sample Output
3echo -en "stats\r\n" "quit\r\n" | nc localhost 11211 | tr -s [:cntrl:] " "| cut -f42,48 -d" " | sed "s/\([0-9]*\)\s\([0-9]*\)/ \2\/\1*100/" | bc -l -
This truncates any lines longer than 80 characters. Also useful for looking at different parts of the line, e.g. cut -b 50-100 shows columns 50 through 100.
3tail -f logfile.log | cut -b 1-80 -
3/sbin/ifconfig -a | awk '/(cast)/ { print $2 }' | cut -d':' -f2 | head -1
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Here the pattern is '*.jar', you could pass in any pattern. Another, maybe nicer way to do this is http://www.commandlinefu.com/commands/view/1921/summarise-the-size-of-all-files-matching-a-simple-regex You could replace sed with tr Show Sample Output
3find . -iname '*.jar' | xargs du -ks | cut -f1 | xargs echo | sed "s/ /+/g" | bc -
Based on the MrMerry one, just add some visuals to differentiate files and directories
3du -a --max-depth=1 | sort -n | cut -d/ -f2 | sed '$d' | while read i; do if [ -f $i ]; then du -h "$i"; else echo "$(du -h --max-depth=0 "$i")/"; fi; done -
Sample command to obtain a list of geographic localization for established connections, extracted from netstat. Need geoiplookup command ( part of geoip package under CentOS) Show Sample Output
3for i in $(netstat --inet -n|grep ESTA|awk '{print $5}'|cut -d: -f1);do geoiplookup $i;done -
Figures out what has changed in the last 12 hours. Change the author to yourself, change the time since to whatever you want. Show Sample Output
3git diff --stat `git log --author="XXXXX" --since="12 hours ago" --pretty=oneline | tail -n1 | cut -c1-40` HEAD -
Prints a log of phonecalls placed from/to an asterisk server, formated into an easily readable table. You can use partial number/queue matches, or use .* to match everything. Show Sample Output
3phonelogs() { grep "$1" /var/log/asterisk/cdr-csv/Master.csv | cut -d',' -f 2,3,11,12 --output-delimiter=" " | sed 's/"//g' | cut -d' ' -f 1,2,3,4,6 | column -t; } -
Gives you a list for all installed chrome (chromium) extensions with URL to the page of the extension. With this you can easy add a new Bookmark folder called "extensions" add every URL to that folder, so it will be synced and you can access the names from every computer you are logged in. ------------------------------------------------------------------------------------------------------------------ Only tested with chromium, for chrome you maybe have to change the find $PATH. Show Sample Output
3for i in $(find ~/.config/chromium/*/Extensions -name 'manifest.json'); do n=$(grep -hIr name $i| cut -f4 -d '"'| sort);u="https://chrome.google.com/extensions/detail/";ue=$(basename $(dirname $(dirname $i))); echo -e "$n:\n$u$ue\n" ; done -
Not sure if it works the same on any shell. Show Sample Output
3xrandr | grep \* | cut -d' ' -f4 -
enable each bash completion that you have installed at your system, that's very nice ;)
3for x in $(eselect bashcomp list | sed -e 's/ //g' | cut -d']' -f2 | sed -e 's/\*//');do eselect bashcomp enable $x --global;sleep 0.5s;done -
3du --max-depth=1|sort -n|cut -f2|tr '\n' '\0'|xargs -0 du -sh 2>/dev/null
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3cut -f2 -d`echo -e '\x01'` file
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you can also use cut instead of awk. less powerful but probably faster. ;)
3egrep -ie "<*HREF=(.*?)>" index.html | cut -d "\"" -f 2 | grep :// -
3mv file.png $( mktemp -u | cut -d'.' -f2 ).png
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Display the serial of the iPhone (aka UDID). Show Sample Output
3lsusb -s :`lsusb | grep iPhone | cut -d ' ' -f 4 | sed 's/://'` -v | grep iSerial | awk '{print $3}' -
adjusting the field "f1" will give you additional information such as f1 = 98% f2 = discharging f3 = 2:02 remaining Show Sample Output
3pmset -g batt | egrep "([0-9]+\%).*" -o --colour=auto | cut -f1 -d';' -
added echo "### Crontabs for $user ####"; to make clear whose crontab is listed.
3for user in $(cut -f1 -d: /etc/passwd); do echo "### Crontabs for $user ####"; crontab -u $user -l; done -
Generates the list of clients (IPs addresses) that have used the Squid webproxy according to the most recent log. Every IP appears only once in the list.
3cut -c23-37 /var/log/squid3/access.log | cut -d' ' -f1 | sort | uniq -
Anyone can make the command smaller & easier? :) Show Sample Output
3for i in $(objdump -d binary -M intel |grep "^ " |cut -f2); do echo -n '\x'$i; done;echo -
3groups $(cut -f1 -d":" /etc/passwd) | sort
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Creates an incremental snapshot of individual folders.
3find /mnt/storage/profiles/ -maxdepth 1 -mindepth 1 -type d | while read d; do tarfile=`echo "$d" | cut -d "/" -f5`; destdir="/local/backupdir/"; tar -g "$destdir"/"$tarfile".snar -czf "$destdir"/"$tarfile"_`date +%F`.tgz -P $d; done -
3dpkg -l linux-* | awk '/^ii/{ print $2}' | grep -v -e `uname -r | cut -f1,2 -d"-"` | grep -e [0-9] | xargs sudo apt-get -y purge
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