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Written by Anand
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Feb 28, 2007 at 09:09 PM |
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Tired of keying the password every time when you SSH into your neighboring machines? We'll discuss about a very simple implementation of Key based authentication for SSH here.
To explain this further, I'm creating two different user accounts on two systems as below,
- System 1 --> Mandriva 2007.0 --> Host Name "mdv2007" --> Users (anand & geek)
- System 2 --> RHEL 5 --> Host Name "rhel5" --> Users (anand & geek)
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Last Updated ( Mar 05, 2007 at 07:31 PM )
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Written by Anand
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Feb 08, 2007 at 04:15 PM |
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As discussed in the previous "How To" to reset the root password , its pretty easy for anyone to easily change the root password by booting in as a single user. We can avoid this by securing the Boot Loaders with a boot password. But this is secure only to certain extent as the cracker may boot using a Custom Boot Floppy or a Boot CD and may crack into the system. We've to disable the Floppy or CD booting in the BIOS and have to secure the BIOS with another password. Physical attacks can be avoided by securing the whole system using well known casing locks. Write Comment (0 comments) |
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Last Updated ( Sep 22, 2007 at 10:12 PM )
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Written by Anand
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Feb 08, 2007 at 04:06 PM |
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If you've forgotten your root password, don't panic! you can still Login into your system. All you need to do is to login as single at the boot loader prompt. We'll see how to login as single in Lilo as well as in Grub below..
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Last Updated ( Sep 22, 2007 at 10:11 PM )
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