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During my day-to-day activities, I use the Bash shell a lot. My #1 policy is to optimize the most frequently used activities as much as possible, so I’ve compiled these handy bash shortcuts and hints (tested in SecureCRT on Windows and Konsole on Linux). The article only touches on the default bash mode – emacs, not vi. If you haven’t specifically assigned your shell mode to vi (set –o vi), you’re almost certainly using the emacs mode. Learn these and your shell productivity will skyrocket, I guarantee it.
Update #1: In response to a few people saying this list is too short and “[he] could've added something to it, to atleast make it look longer” (quote from one of[Read more...]
Slave delay can be a nightmare. I battle it every day and know plenty of people who curse the serialization problem of replication. For those who are not familiar with it, replication on MySQL slaves runs commands in series – one by one, while the master may run them in parallel. This fact usually causes bottlenecks. Consider these 2 examples:
I want to get opinions from outside of my daily circle of people on the best server hardware to use for MySQL. I remember from the conference somebody (Pipes?) mentioning a particular Dell server with multiple disk RAID10 that could supposedly be had for about $6k but I completely misplaced the model number (Frank, did you get my email?).
I know that a multi-disk RAID array with a bunch of fast disks (15k RPM?) is probably the most important method of improving performance, followed by the amount of RAM, so I'm trying to find the best combination/balance of the two. However, server prices on the Internet range so[Read more...]
Over the last few years there has been a lot of fanfare around open source companies and their liquidation events. Most of the news has been around Sun’s billion dollar acquisition of MySQL or the Citrix acquisition of Xen and even Yahoo’s acquisition of Zimbra. In contrast there was little attention paid to the SourceFire. Actually if you ask most open source users about SourceFire they would probably answer “SourceWho?” If you ask open source users if they have heard of ClamAV or Snort they probably would be able to tell you that they are the leading open source[Read more...]
It seems that open source maven, Matt Asay along with well-known Microsoft blogger Mary Jo Foley have come to the conclusion that Microsoft doesn’t need open source. Asay contends that Microsoft’s open source activity has more to do with regulators than best practices and user collaboration.
Microsoft’s open-source charade is not about customers. It’s about regulators. Until Microsoft can convince U.S. and European regulators that its market power is not as bad as it once was, the company will need to hide behind expressions of openness.
Hence, Microsoft “opens” up its protocols (i.e., lets everyone read but not touch…without forking
This week’s Open Source Business Conference was a strange meeting of Enterprise IT users, venture capitalists, and free software entrepreneurs. The opening keynote was delivered by Red Hat’s freshly minted CEO Jim Whitehurst who gave a very modest speech noting that while Red Hat has been a leading open source company they have not necessarily been an open source leader. Whitehurst’s presentation lacked anything especially insightful or noteworthy and he has the advantage of being the new guy so he’s off the hook for anything that might have happened before he took the job.
What is apparent Red Hat’s no[Read more...]
And on goes my fascination with open source companies and their valuations…
I was reading Stephen O’Grady’s commentary on open source companies and their valuations prompted by the recent acquisition of MySQL by Sun for $1 billion. He quotes Jeff Gould who logically questions whether Sun can make the acquisition pay-off.
Stephen also quotes a piece from Knowledge@Wharton on the myth of market share.
It is a common practice of many companies to focus their attention on grabbing market share from their competitors. But such efforts
Released today, administrators of the Alfresco Enterprise Content Management System now have access to a fully supported, enterprise-ready systems management solution with Hyperic HQ for Alfresco. The new Hyperic HQ plugin instantly enables HQ and Alfresco administrators to take full advantage of Hyperic?s powerful management capabilities, including auto-discovery, monitoring, complex alerting and remediation. With today’s release of the Hyperic HQ for Alfresco plugin, Hyperic HQ becomes the only monitoring system to natively support Alfresco deployments on every platform and architecture.
Enterprise Content Management ensures the quick and reliable delivery, accessibility and long-term control of the most important information assets in an enterprise. These all require a strong, reliable architecture,? said John[Read more...]
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