dnsang

#!/bin/bash
# written by sangdn 6/6/2016
# to reduce stupid-time when up-to-date dependency projects 
# config: 
# 	set sbt_exclude/mvn_exclude to exclude build mode
#	set mvn = PATH[param], PaTH[param]
#	set mvn_options = option to build with maven command
# eg:
#	sbt_exclude=clean
#	sbt=PATH[clean,compile,publishLocal] 

dnsang

#search text in file in directory
grep -Ril "text-to-find-here" /
find . -name "*.txt" | xargs grep -i "text_pattern"
find . -name '*.py' -exec grep -n "text_pattern" {} \; -print
#understand xargs: find . -name "*.py" | xargs -n 1 echo 
#sed
sed -i 's/test/test/g' file1.a
#awk:
http://code.linuxnix.com/2013/04/awk-scripting-learn-awk-built-in-variables-with-examples.html
awk -F’,’ ‘{print $4}’ db.txt

dnsang

#save in ReadOnly mode
:w !sudo sh -c "cat > %"

dnsang

create getswap.sh

#!/bin/bash
# Get current swap usage for all running processes
# Erik Ljungstrom 27/05/2011
SUM=0
OVERALL=0
for DIR in `find /proc/ -maxdepth 1 -type d | egrep "^/proc/[0-9]"` ; do
        PID=`echo $DIR | cut -d / -f 3`
        PROGNAME=`ps -p $PID -o comm --no-headers`

dnsang

cat /sys/block/sdb/queue/rotational 
0: SSD, 1: HDD

dnsang

# some common and useful google search tips
# for ref: http://www.google.com/advanced_search
###### tips #####
define hello >> to looking for definition of hello
###### Content Search & Operator ########
"hello world" >> to search for exact match of hello world
hello + world >> to search for hello and word eg: hello to my world
hello -world >> to search for hello, exclude word eg: hello to my house
hello * world >> to search fuzzy for hello *** world
~hello >> to search similar for hello eg: hi, hey

dnsang

find . -printf "%T@ %Tc %p\n" | sort -n
printf arguments from man find:

%Tk: File's last modification time in the format specified by k.

@: seconds since Jan. 1, 1970, 00:00 GMT, with fractional part.

c: locale's date and time (Sat Nov 04 12:02:33 EST 1989).

%p: File's name.

dnsang

#node info
http://10.30.58.160:9210/_nodes/process?pretty

#disable for bulk indexing

curl -XPUT 'localhost:9210/_settings' -d '
{
    "index" : {
        "refresh_interval" : "60s"
    }

dnsang

#this gist is used to answer for question from http://stackoverflow.com/questions/30691082/elasticsearch-either-or-match-query
#any question could request to zkidkid@gmail.com 

# delete exist index
curl -XDELETE 'http://localhost:9200/furnit/'

#create new index
curl -XPUT 'http://localhost:9200/furnit/'

# create a new type which specify mappings

dnsang

#!/bin/bash
#########################################################################################
# Bash script for Subversion integration with Slack					#
# 											#
# 1. Save this file in /usr/bin as incomming_webhook_slack				#
# 2. Make it executable:								#
#    chmod +x /usr/bin/incomming_webhook_slack						#
# 3. Put this line at the end of file of your_svn_repo/hooks/post-commit: 		#
#    incomming_webhook_slack $REPOS $REV svn_path					#
# 4. Edit this file, config all variable to point to your webhook 			#