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UNIX for Dummies Questions & Answers
Unix OR Linux Cert?
Post 4378 by Neo on Monday 28th of May 2001 08:43:38 PM
05-28-2001
Administrator
First of all, I don't think you should abandon you Win2K and MSFT expertise. Interoperabiity between UNIX-based systems and MSFT based systems are becoming more and more critical. Your expertise in both areas is very marketable and extremely useful.
As to 'picking one UNIX', if I had to pick one and only one, I would pick HPUX because HPUX is a hybrid UNIX and experts in HPUX get paid A LOT of money !!! Experts on Linux, BSD, etc do not command the salaries of HPUX experts in the US.
Second choice, SUN Microsystems. SUN worshippers also make 'the big bucks'
I started in HPUX and have working with just about every UNIX on the planet. However, I do not bill as a UNIX admin and work high-level architecture and policy for a living (it pays more, much more but is much less rewarding). Personally, I love Slackware/Linux but that love 'don't pay the bills and buy the groceries'
Guess you have to decide if your decision is based on $$$$ considerations or your personal interests. Often, unfortunately, they are not the same. Also running a home business or service is much different than working for a mega corporation.
Perhaps someone else can jump in and advise you as well
As to 'picking one UNIX', if I had to pick one and only one, I would pick HPUX because HPUX is a hybrid UNIX and experts in HPUX get paid A LOT of money !!! Experts on Linux, BSD, etc do not command the salaries of HPUX experts in the US.
Second choice, SUN Microsystems. SUN worshippers also make 'the big bucks'
I started in HPUX and have working with just about every UNIX on the planet. However, I do not bill as a UNIX admin and work high-level architecture and policy for a living (it pays more, much more but is much less rewarding). Personally, I love Slackware/Linux but that love 'don't pay the bills and buy the groceries'
Guess you have to decide if your decision is based on $$$$ considerations or your personal interests. Often, unfortunately, they are not the same. Also running a home business or service is much different than working for a mega corporation.
Perhaps someone else can jump in and advise you as well
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LEARN ABOUT DEBIAN
sys::hostname::long
Sys::Hostname::Long(3pm) User Contributed Perl Documentation Sys::Hostname::Long(3pm) NAME
Sys::Hostname::Long - Try every conceivable way to get full hostname SYNOPSIS
use Sys::Hostname::Long; $host_long = hostname_long; DESCRIPTION
How to get the host full name in perl on multiple operating systems (mac, windows, unix* etc) DISCUSSION
This is the SECOND release of this code. It has an improved set of tests and improved interfaces - but it is still often failing to get a full host name. This of course is the reason I wrote the module, it is difficult to get full host names accurately on each system. On some systems (eg: Linux) it is dependent on the order of the entries in /etc/hosts. To make it easier to test I have testall.pl to generate an output list of all methods. Thus even if the logic is incorrect, it may be pos- sible to get the full name. Attempt via many methods to get the systems full name. The Sys::Hostname class is the best and standard way to get the system hostname. However it is missing the long hostname. Special thanks to David Sundstrom and Greg Bacon for the original Sys::Hostname SUPPORT
This is the original list of platforms tested. MacOS Macintosh Classic OK Win32 MS Windows (95,98,nt,2000...) 98 OK MacOS X Macintosh 10 OK (other darwin) Probably OK (not tested) Linux Linux UNIX OS OK Sparc OK HPUX H.P. Unix 10? Not Tested Solaris SUN Solaris 7? OK (now) Irix SGI Irix 5? Not Tested FreeBSD FreeBSD OK A new list has now been compiled of all the operating systems so that I can individually keep informaiton on their success. THIS IS IN NEED OF AN UPDATE AFTER NEXT RELEASE. Acorn - Not yet tested AIX - Not yet tested Amiga - Not yet tested Atari - Not yet tested AtheOS - Not yet tested BeOS - Not yet tested BSD - Not yet tested BSD/OS - Not yet tested Compaq - Not yet tested Cygwin - Not yet tested Concurrent - Not yet tested DG/UX - Not yet tested Digital - Not yet tested DEC OSF/1 - Not yet tested Digital UNIX - Not yet tested DYNIX/ptx - Not yet tested EPOC - Not yet tested FreeBSD - Not yet tested Fujitsu-Siemens - Not yet tested Guardian - Not yet tested HP - Not yet tested HP-UX - Not yet tested IBM - Not yet tested IRIX - Not yet tested - 3rd hand information might be ok. Japanese - Not yet tested JPerl - Not yet tested Linux Debian - Not yet tested Gentoo - Not yet tested Mandrake - Not yet tested Red Hat- Not yet tested Slackware - Not yet tested SuSe - Not yet tested Yellowdog - Not yet tested LynxOS - Not yet tested Mac OS - Not yet tested Mac OS X - OK 20040315 (v1.1) MachTen - Not yet tested Minix - Not yet tested MinGW - Not yet tested MiNT - Not yet tested MPE/iX - Not yet tested MS-DOS - Not yet tested MVS - Not yet tested NetBSD - Not yet tested NetWare - Not yet tested NEWS-OS - Not yet tested NextStep - Not yet tested Novell - Not yet tested NonStop - Not yet tested NonStop-UX - Not yet tested OpenBSD - Not yet tested ODT - Not yet tested OpenVMS - Not yet tested Open UNIX - Not yet tested OS/2 - Not yet tested OS/390 - Not yet tested OS/400 - Not yet tested OSF/1 - Not yet tested OSR - Not yet tested Plan 9 - Not yet tested Pocket PC - Not yet tested PowerMAX - Not yet tested Psion - Not yet tested QNX 4 - Not yet tested 6 (Neutrino) - Not yet tested Reliant UNIX - Not yet tested RISCOS - Not yet tested SCO - Not yet tested SGI - Not yet tested Symbian - Not yet tested Sequent - Not yet tested Siemens - Not yet tested SINIX - Not yet tested Solaris - Not yet tested SONY - Not yet tested Sun - Not yet tested Stratus - Not yet tested Tandem - Not yet tested Tru64 - Not yet tested Ultrix - Not yet tested UNIX - Not yet tested U/WIN - Not yet tested Unixware - Not yet tested VMS - Not yet tested VOS - Not yet tested Windows CE - Not yet tested 3.1 - Not yet tested 95 - Not yet tested 98 - Not yet tested Me - Not yet tested NT - Not yet tested 2000 - Not yet tested XP - Not yet tested z/OS - Not yet tested KNOWN LIMITATIONS
Unix Most unix systems have trouble working out the fully quallified domain name as it to be configured somewhere in the system correctly. For example in most linux systems (debian, ?) the fully qualified name should be the first entry next to the ip number in /etc/hosts 192.168.0.1 fred.somwhere.special fred If it is the other way around, it will fail. Mac TODO
Contributions David Dick Graeme Hart Piotr Klaban * Extra code from G * Dispatch table * List of all operating systems. Solaris * Fall back 2 - TCP with DNS works ok * Also can read /etc/defaultdomain file SEE ALSO
L<Sys::Hostname> AUTHOR
Scott Penrose <scottp@dd.com.au> COPYRIGHT
Copyright (c) 2001,2004,2005 Scott Penrose. All rights reserved. This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself. perl v5.8.8 2008-03-12 Sys::Hostname::Long(3pm)