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Do you have VPN access to your office? If so you should be able to run PuTTY on your XP laptop to access the RHEL4 systems in the office. (Although you might need to have Security folks in your office open up access to specific systems depending on how they do VPN.)
You can also setup your laptop to be a dual-boot machine with XP in primary partition and Linux in secondary. There is (or at least was) a good write up on how to do this with Gparted. You'd want to load RHEL4 (if authorized) or CentOS 4 (which has no restrictions) as it is binarily compatible with RHEL4.
Alternatively if you just want to do Linux style commmands you could install Cygwin on your XP laptop - it runs Linux under XP.
Finally - not having used Linuxzoo.net before I can't say how reliable it is but I will make these observations from looking at it:
1) After you register they send you an email from '[email protected]' to complete the registration. It appears that if you don't click on the link in that email they expire your account in about 14 days. If you do click on it they don't expire it.
2) The OS they are providing says 'Fedora 2' which is really old. It has a 2.6 kernel so I don't think it is really that old or at least they are adding stuff to it but it might not be exactly the same as your RHEL4 (/etc/redhat-release says it's RHEL 3 - go figure).
Freeshell.org also provides free shell accounts but those are on BSD not Linux. Depending on what you want to do it may be close enough.
The Linuxzoo.net looks interesting as they're actually giving you a virtual machine with root so don't have the restrictions you'd find on Freeshell.org.
You can also setup your laptop to be a dual-boot machine with XP in primary partition and Linux in secondary. There is (or at least was) a good write up on how to do this with Gparted. You'd want to load RHEL4 (if authorized) or CentOS 4 (which has no restrictions) as it is binarily compatible with RHEL4.
Alternatively if you just want to do Linux style commmands you could install Cygwin on your XP laptop - it runs Linux under XP.
Finally - not having used Linuxzoo.net before I can't say how reliable it is but I will make these observations from looking at it:
1) After you register they send you an email from '[email protected]' to complete the registration. It appears that if you don't click on the link in that email they expire your account in about 14 days. If you do click on it they don't expire it.
2) The OS they are providing says 'Fedora 2' which is really old. It has a 2.6 kernel so I don't think it is really that old or at least they are adding stuff to it but it might not be exactly the same as your RHEL4 (/etc/redhat-release says it's RHEL 3 - go figure).
Freeshell.org also provides free shell accounts but those are on BSD not Linux. Depending on what you want to do it may be close enough.
The Linuxzoo.net looks interesting as they're actually giving you a virtual machine with root so don't have the restrictions you'd find on Freeshell.org.
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