Friday, February 8, 2008

nixCraft Linux Sys Admin Blog

nixCraft Linux Sys Admin Blog

Link to nixCraft Linux Sys Admin Blog

Linus Torvalds on Linux Desktop Operating System

Posted: 08 Feb 2008 01:23 PM CST

Don Reisinger wonders - if Linus Torvalds even speaking for Linux anymore:

Even though Linus Torvalds has always been known as a deity-like figure in the world of Linux, lately he has been quite outspoken about where he thinks his operating system is going and what its competitors are doing wrong.

Wired blog has published Linus Torvalds thoughts on why users aren’t flocking to Linux:

As always there’s a laundry list of things Torvalds doesn’t care about — Open Solaris and Sun, for instance — but his thoughts on the future of the Linux desktop are interesting, including this bit: “I have never, ever cared about really anything but the Linux desktop.”

You can read Linus Torvalds thoughts on the Linux desktop and its broader adoption here.

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Open Source Guide for Small and Medium Enterprise / Business

Posted: 08 Feb 2008 01:05 PM CST

This is an excellent set of guides encouraging FLOSS for small and medium size enterprises / business. From the guide:

Open source software is the most significant all-encompassing and long-term trend that the software industry has seen since the early 1980s”. This is one of the conclusions of a recent IDC report [IDC 06], which shows how much the perception of FLOSS (free/libre/open source software) has changed in the recent years. Right now, the majority of developers in the world are using open source software [Forr 07], and FLOSS platforms are used in one way or the other by a large share of companies.

Despite this situation, there is still a significant barrier in the adoption process for small and medium companies, both in terms of using FLOSS internally and in creating products and services centered on FLOSS products. The purpose of this report is to provide a simple and in-depth view of the fundamental aspects of FLOSS, how to adopt it within a small/medium company, and how to build a sustainable business based on it.

Download FLOSS Guide for SMEs / SMBs

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UNIX / Linux Professional Salary Potential Ranges

Posted: 08 Feb 2008 12:34 PM CST

From my mail bag:

I’m seriously considering getting trained myself with a UNIX / Linux education. Can you give me some general idea about salaries for computer professionals with diploma or degree education?

Salaries depends upon many factors such as:
=> Your country / location
=> Your credentials
=> Your level of experience
=> Your education level
=> Employer size
=> Industry
=> Job title etc

The best way to find information is just contact to your local recurring agency. Another old good option is LUG members. If you are located in U.S see Bureau of Labor Statistics website. After a quick search, I found following data (again valid for USA):

a] Tech support staff - US $50-55k p.a.
b] UNIX Sys / Net Admin - US $75-90k p.a.
c] UNIX Systems Manager - US $120k+ p.a.

There is no such data exists for India and salaries vary depending on diffrent factors. Please note that:

More Experience + Additional skillset   ==  More money

See also:

=> Salary Survey Report for Job: UNIX System Administrator

=> Another Salary Survey Report for Job: Linux System Administrator (City and State search supported)

Feel free to share your experience in the comments.

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FreeBSD List / Display Open Ports With sockstat Command

Posted: 08 Feb 2008 11:50 AM CST

You can use traditional netstat / lsof command to lists open Internet or UNIX domain sockets on FreeBSD. FreeBSD comes with a simple and easy to use command called sockstat.
The -4 option only displays IPv4 sockets.

The -6 option only displays IPv6 sockets.

The -c option only displays connected sockets.

The -l option only displays listening sockets (open port).

For example, display IPv4 related open ports, enter:
# sockstat -4 -l
Output:

USER     COMMAND    PID   FD PROTO  LOCAL ADDRESS         FOREIGN ADDRESS root     sendmail   653   3  tcp4   127.0.0.1:25          *:* root     sshd       647   3  tcp4   10.20.110.2:22        *:* root     ntpd       616   4  udp4   *:123                 *:*

Here the equivalent of netstat:
$ netstat -nat | grep LISTEN
For information read sockstat command man page:
$ man sockstat

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