http://code.mikwat.com A coder's daily explorations through PHP, Java, CSS, JavaScript, Linux, OS X, Apache, Tomcat, and everything else. Wed, 20 Feb 2008 22:14:01 +0000 http://backend.userland.com/rss092 en Open tunnel: $ ssh -L 8080:remote-host:80 -f -C -q -N me@myserver.com Close tunnel: $ ps -aux | grep ssh $ kill {pid} http://code.mikwat.com/archives/26 Here is how I configured Quartz to work with Spring and Hibernate. I'm using the Quartz JDBC Job Store which stores and retrieves the job settings from a database instead of a static configuration. I use the SchedulerFactoryBean to manager the Quartz Scheduler lifecycle. spring-servlet.xml ... <!-- Quartz --> <bean id="scheduler" class="org.springframework.scheduling.quartz.SchedulerFactoryBean"> <property name="applicationContextSchedulerContextKey" value="applicationContext"/> <property ... http://code.mikwat.com/archives/24 Periodically I need to replace a string in multiple files on Linux. I find myself looking up this command or a variant every time. grep -rl OLDSTRING *.FILEEXTENSION | xargs perl -pi~ -e 's/OLDSTRING/NEWSTRING/' http://code.mikwat.com/archives/23 My setup is a single Fedora Core 6 server running Apache 2.2.4 (with mod_ssl and mod_proxy) and Tomcat 5. With mod_ssl the following virtualhost is setup using an SSL certificate from GoDaddy. Notice the SSLCertificateChainFile /etc/httpd/conf/ssl.crt/gd_intermediate_bundle.crt reference. This intermediate certificate comes from GoDaddy and is required. I didn't ... http://code.mikwat.com/archives/21 In migrating from Tomcat 5.0 to Tomcat 5.5, one of my custom Struts plugins started failing on startup with the following exception: org.apache.commons.digester.Digester startElement SEVERE: Begin event threw exception java.lang.ClassNotFoundException: com.mikwat.struts.config.AuthorizationActionConfig The root of the problems appears to be that the Digester defaults to using the same ClassLoader that loaded it and whichever ClassLoader ... http://code.mikwat.com/archives/18 We recently switched to Google Apps at work and I have been looking for a way to import my existing email, which was stored on an IMAP server, into Gmail. The answer became clear when I came across Mark Lyon's GMail Loader (GML), but it was much simpler than ... http://code.mikwat.com/archives/17 The other day it dawned on me that my hobby website, My Cycling Log, has a large international audience and that I should cater more to them. My Cycling Log is basically exactly what its name suggests: an online cycling log. It's a place for cyclists to log ... http://code.mikwat.com/archives/16 Problem: Occasionally I get the following JDBC error from MSSQL: The log file for database 'db_example' is full. Back up the transaction log for the database to free up some log space. Solution: BACKUP LOG db_example WITH TRUNCATE_ONLY DBCC SHRINKFILE(db_example_log, 2) If 'db_example_log' is not the logical name of the logfile, the 2nd command will ... http://code.mikwat.com/archives/14 Problem: I have a web application running under Tomcat using the Oracle ADF framework. When the application is installed as a service under Windows, it outputs cache files in mass to \WINDOWS\system32\ Needless to say, this doesn't make the system administrators happy. Solution Under Linux: This problem ... http://code.mikwat.com/archives/13 After having some site performance and availability problems, I began investigating ways to monitor web servers. There are lots of sites offering various services, here's what I've settled on. 1. Broadband Reports offers both free and paid services. Their Line Monitoring tool provides a continuous response time graph shown below ... http://code.mikwat.com/archives/7