PATH=/usr/local/bin:/bin:/usr/bin considered harmful

Sam Varshavchik mrsam at
Fri Jun 22 12:45:13 UTC 2012

Andrew Haley writes:

> On 06/22/2012 01:19 PM, Sam Varshavchik wrote:
> > Andrew Haley writes:
> >
> >> > Why not take /bin and /sbin out of the default path *and* make sure
> >> > that RPM knows about /bin/* ?
> > I would expect that changing rpm will be a long, tedious process. Which is
> > understandable.
> >
> > But changing the default PATH that's compiled into bash should be a simpler
> > change to push through; I see very low risk of any breakage or regressions;
> > and it will probably solve a great majority of the resulting foobarage that
> > cascades downstream into rpm-land.
> >
> > Making rpm a bit smarter is certainly a correct fix, but something else can
> > also be done relatively quickly to take care of most of the current  
> fallout.
> Well, yeah.  But the Law of unintended consequences applies, so we
> must be careful.  I don't think that people expected symlinking
> /usr/bin to /bin to be risky either.

Errr… Wait. Then UsrMove script that ran when I upgraded F16 to F17  
symlinked /bin → usr/bin

If new F17 installs have /usr/bin → /bin, then this is an even bigger  
clusterfrak. If that's the case, bash should be left alone, as doing that is  
going to break all the new installs.

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