Category Archives: Perl

Perl-related

Debugging Munin Problems

Munin is an Open Source program that does system monitoring and produces beautiful graphs every 5 minutes using RRDTool. I recently updated to Munin 1.4.6 on a CentOS 6 linux system. Most of the graphs worked out of the box, … Continue reading

Posted in Open Source, Perl, Storage, Tech, Toys | Leave a comment

Stupid Apache HTTPD 2 Tricks

I recently updated a linux web server to CentOS 6 with all new software packages. I noticed some disturbing things related to Apache HTTPD: many apps are adding .conf files to /etc/httpd/conf.d, which was intended for virtualhosts. So guess what … Continue reading

Posted in Linux, MySQL, Open Source, Perl, Storage, Tech, Toys | Leave a comment

OSCON 2011, Portland

Once again, the O’Reilly Open Source Conference (OSCON) was held in Portland, Oregon. It was held in parallel at the Oregon Convention Center with the O’Reilly OSdata and OSjava Conferences at the beginning of the week, and then later a … Continue reading

Posted in Business, Conferences, i18n, Japanese, Linux, MySQL, Open Source, Oracle, OSCON, Perl, Photography, Psychology, Storage, Tech, Toys, Travel, User Groups | Leave a comment

Perl DBD::mysql Administrative Functions

I was flipping through O’Reilly’s High Performance MySQL and noticed something handy on page 519 … $dbh->func(‘shutdown’,’admin’); You can call 4 mysql_* C API functions from within Perl scripts using DBD::mysql, that are also exposed in mysqladmin: $ perldoc DBD::mysql … Continue reading

Posted in MySQL, Open Source, Perl, Tech, Toys | Leave a comment

Apache Cassandra Links

Apache Projects Cassandra Bugs Hadoop Hive HBase Cassandra Client Programs cassandra-cli Hector CQL Perl CPAN PHP SimpleCassie pycassa Java Performance Tools JConsole JMX TDA Opscenter JVMs Azul JRockit Java SE Java Benchmarks SPECjbb2005 SPECjEnterprise2010 Vendors DataStax Brisk Cloudera Events DataStax … Continue reading

Posted in Cloud, Linux, Open Source, Oracle, Perl, Storage, Tech, Toys | Leave a comment