On Sunday 01 Feb 2015 00:18:40 Adam Carter wrote: > > If you've su'd to root, try 'su -' instead. > > > > Thank you, that was it? > > What difference does it make and why on some boxes it has to be "su -" > > and on others simple "su" works. > > Read 'man su'. I dont really understand this stuff well enough, but a > 'login shell', that is, one started by /bin/login, is setup with a > different environment to a shell that's started by su (or by, say, cron). > This is why a shell command or script may work for you when you're logged > in, but not if you run it from cron. I'm sure other's can explain it more > correctly and fully.
When you follow su with "-" it will login into the pwd of /root. Without "-" you will find yourself in the same directorate you happened to be when you ran su. -- Regards, Mick
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