General
Web Sites – Nagios
WebSite: www.nagios.org Nagios is a host and service monitor designed to inform you of network problems before your clients, end-users or managers do. It has been designed to run under the Linux operating system, but works fine under most *NIX variants as well.
Read moreWeb Sites – Thumbshots
WebSite: www.thumbshots.org This site enables you to embed a thumbnail image of a website. Rather cool, except there must be some level of caching for new website requests. This page at the time of saving doesn’t show the thumbshot of the official site.
Read moreLinux One Liner – Erasing Stuff
Don’t try this at home unless you understand what it’s going to do. sudo dd if=/dev/zero of=/dev/hda1
Read moreEclipse CVS Tutorial 1
Repository Management Start Eclipse Window | Open Perspective | CVS Repository Exploring This will add an icon to the quick dock option. See Point 1 This should open the CVS Repositories View.
Read moreWhat is a BLOB?
If your answer was Binary Large Object, then you would be wrong. Check out Mike’s comments on History of Database Blobs from the man that created the BLOB, Mr Jim Starkey.
Read moreMercurial Version Control Software
I got asked (being a Java developer) about what was involved in creating an Eclipse Plugin for Mercurial. Well in true Google style, why invent when somebody probably already has. A quick check finds Mercurial Eclipse by VecTrace.
Read moreWhat is software quality?
Greg Lehey wrote today Is MySQL getting buggier?. The underlying question of his comments is a more fundamental and passionate topic, and especially for me. That is “Software Quality”. The quintessential question is this.
Read moreGenerating an internal SSL Certificate (for tomcat)
How to Generate an internal SSL certificate Create the self-signed keystore $ su - $ URL="your.url.here";export URL $ cd /opt/tomcat/conf $ keytool -genkey -alias ${URL} -keyalg RSA -keystore ${URL}.keystore Enter keystore password: changeit What is your first and last name?
Read moreDifferences in syntax between mysql and mysqltest
As I wrote earlier in Using the MySQL Test Suite I found an issue with using the current MySQL Sakila Sample Database as a test with mysqltest. I was running an older version of 5.
Read moreUsing PBXT 0.9.5
Paul has released Version 0.95 of his PBXT MySQL Transactional Storage Engine. Here is what I did to get it operational under CentOS 4.3. su - useradd pbxt su - pbxt wget http://www.
Read moreUsing the MySQL Test Suite
MySQL provides two different tools to test the MySQL Server with SQL statements. One is mysqltest and in 5.1 mysqlslap. Both of these tools have quite different purposes. This is a quick review of the usage of mysqltest.
Read moreQMail Admin
For some reason my vqadmin failed to create a new mail domain?? I know I had some /home permissions problems, but that was quite some time ago, perhaps I haven’t added a domain for mail in that time.
Read moreUsing Cascade in Foreign Keys
For those that are using a Referential Integrity based Storage Engine in MySQL, the use of Foreign Keys can provide an extra level of data integrity within your application. There are of course caveats to this statement, such as correct design, proper transactional use etc, but that’s a topic for another time.
Read moreGuidelines for managing embedded external project dependencies
I’ve yet to find any Java project that doesn’t have dependancies on some other Open Source external libraries. I’ve yet to find a Java project that manages these external dependencies appropiately for support and integration at an enterprise level.
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