Peter Reisinger pete911

🏠

Working from home

pete911 / maven update version

Last active December 18, 2015 04:49

maven - udpate dependencies to latest version

	# -Dincludes specifies that only spring dependencies should be udpated
	mvn -U versions:use-latest-versions -Dincludes=org.springframework:*

pete911 / find with grep

Last active December 17, 2015 19:39

find with grep

find . -type f -name 'some-file.xml' -print0 | xargs -0 grep -niH 'something'

pete911 / enable debug on tomcat

Last active December 16, 2015 16:58

enable debug on tomcat

-Xdebug -Xrunjdwp:transport=dt_socket,address=8000,server=y,suspend=n

pete911 / deb package content

Last active December 16, 2015 01:09

List the contents of a debian package.

	# very close to the dpkg -L command except the package does not need to be installed
	apt-file list package_name

pete911 / count number of lines

Created February 4, 2013 09:58

counts number of lines recursively in a directory (replace . for directory name if you don't want to search current dir)

find . -type f | xargs wc -l

pete911 / tomcat monitoring

Last active April 8, 2017 13:59

monitoring tomcat

	https://wiki.internet2.edu/confluence/display/CPD/Monitoring+Tomcat+with+JMX

	-Dcom.sun.management.jmxremote
	-Dcom.sun.management.jmxremote.port=8999
	-Dcom.sun.management.jmxremote.ssl=false
	-Dcom.sun.management.jmxremote.authenticate=false
	-Djava.rmi.server.hostname=localhost

pete911 / rest response codes

Created January 10, 2013 17:34

diagram of rest response codes

http://i.stack.imgur.com/whhD1.png

pete911 / sed - search and replace

Created December 2, 2012 20:31

search and replace

find src/main/java/ -type f -exec sed -i 's/SimpleJdbcTemplate/NamedParameterJdbcTemplate/g' {} \;

pete911 / delete recursively

Created November 30, 2012 13:44

delete .svn directories recursively

find . -type d -name .svn | xargs rm -rf

pete911 / set time to 0 in date

Created August 15, 2012 12:07

returns date object with time set to 0

	Calendar calendar = Calendar.getInstance();
	calendar.setTime(date);
	calendar.set(Calendar.HOUR_OF_DAY, 0);
	calendar.set(Calendar.MINUTE, 0);
	calendar.set(Calendar.SECOND, 0);
	calendar.set(Calendar.MILLISECOND, 0);
	return calendar.getTime();