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On Sun, Feb 28, 2010 at 7:28 AM, pk <peterk2@××××××××.se> wrote: |
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> ubiquitous1980 wrote: |
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> |
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>>> http://lists.debian.org/debian-security/2006/07/msg00059.html |
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> |
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>> With "sudo su - " the man pages do not have ESC throughout. I have |
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>> learned sudo su from my ubuntu days and I am only guessing that this is |
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>> bad practice and that the correct command is $ sudo su - |
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> |
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> No need to guess. Messing with superuser privileges without a proper |
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> superuser environment (paths etc.) is considered bad from a security |
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> point of view; for instance, an malicious application could be installed |
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> in your user home dir, prepend the path to this to your local user $PATH |
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> and whenever you do "su" (without -) you could invoke this app with |
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> superuser privileges... |
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> So to summarize: The link above (debian.org) explains it quite well and |
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> yes, I would say it's a bad habit to omit -. :-) |
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7 years ago a veteran Linux user taught me to always use su - for the |
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very reason you stated. |
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