Dell has announced that it has updated its business grade mobile workstation laptop line with new Intel Ivy Bridge CPUs, graphics card and comes with preloaded with RHEL 6. Theses systems are designed as replacement for desktop workstations and targeted at professionals, engineers, scientists, and users who need powerful hardware on the move for advanced analysis, engineering, manufacturing and design applications.
OS X Mountain Lion has been released and available for download. This new release comes with over 200 new features such as Twitter integration, Apple’s Game Center, iMessage services, and a new security feature called Gatekeeper to protect users from malware. However, new operating system is not compilable with all mac computers.
Using the same password on different servers allows attackers to access your accounts if cracker manage to steal your password from a less secure server. This is true for online website accounts too. So solution is to create unique passwords for server accounts like your email, sftp and ssh accounts. General guideline to create a strong and unique password is as follows:
The Linux kernel version 3.5 has been released and is now available for download. New features include support for hybrid graphics, security fixes, and other enhancements.
I just want to know how to run Linux commands as another user or as root user?
Confused About Linux commands.
In this week:
Dell to sale Ubuntu laptops again
Dell will be officially re-entering the Linux laptop market. It will sell a developer edition of one of its Ultrabooks XPS laptop. It will come pre-loaded with Ubuntu 12.04 LTS. A first look at Dell’s ‘Sputnik’ Ubuntu Linux developer laptop is available here.
The iotop command is top like utility for disk I/O. It watches I/O usage information output by the Linux kernel (requires v2.6.20 or later) and displays a table of current I/O usage by processes or threads on the system. This post expalins how to install and use iotop to find out what’s stressing (or program names) on your hard drives under Linux operating systems.
The Emerald Window Decorator is a custom window decorator shipped with Compiz Fusion that allows for theming and full composite window decorations with the use of engines. Emerald allows for all sorts of different configurations and layouts of buttons, look, title bars and frames. Emerald Window Decorator is completely independent of any desktop, and you specify your own themes to use for it. In this post I will describe how to install emerald under Debian Linux 6 amd64.
Excellent news. This may come handy. In our data center we have a few servers for just two applications. These applications are just run for 2 or 3 days a month and then the rest of the time all servers in rack just sit idle. It is a waste of servers, time, energy and resources. This is a good use-cases for on-demand high I/O server(s), where I need low-latency and are an exceptionally good host for NoSQL databases such as MongoDB.
Ever want to list all the Linux commands (including bash shell aliases and functions) you could run on the server / workstation? Look now further. Try compgen command.
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