February 8, 2008 · Networking, Server · 12 comments

Parallels Workstation is empowered by a lightweight hypervisor, a thin layer of software that "works" between the host computer’s hardware and the primary operating system. The lightweight hypervisor controls some of the host computer's hardware resources, which results in dramatically more stable, secure, and higher-performing virtual machines.

Parallels Workstation sophisticated virtualization engine enables each virtual machine to operate similarly to a physical computer. Each virtual machine has its own set of virtual hardware: processor, RAM, floppy, CD and DVD drives, I/O devices, and hard disk. See the Virtual Machine Hardware topic for the full list of Parallels virtual machine devices.Intel virtualization technology (VT-x) is fully supported by Parallels Workstation.

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February 7, 2008 · Networking, Security, Server · 27 comments

Create a tool for host-based iptables firewall configuration. This tool should provide an easy to use interface to the user, as well as support package integration and dynamic-detection of open ports.

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February 6, 2008 · Monitoring, Server · (No comments)

mytop is a console-based (non-gui) tool for monitoring the threads and overall performance of a MySQL 3.22.x, 3.23.x, and 4.x server. It runs on most Unix systems (including Mac OS X) which have Perl, DBI, and Term::ReadKey installed. And with Term::ANSIColor installed you even get color. If you install Time::HiRes, you'll get good real-time queries/second stats.

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February 4, 2008 · Server · 26 comments

eGroupWare is a Web-based groupware suite. It contains many modules, including Calendar (personal calendar and group scheduling, notifications and alarms), Mail (Email (IMAP and POP3) or FeLaMiMail (IMAP only)), InfoLog (todos, notes, and phone calls linked to contacts (CRM)), Contacts (an addressbook to store and share contact information), and SiteMgr or JiNN (content management).

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