On Sunday 01 February 2015 14:17:04 Alan McKinnon wrote: > On 01/02/2015 02:18, 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. > > This stuff is complex the first time you run into it.
--->8 [Much good advice] I think of it simply like this: "su" switches user, and that's all; "su -" gives you the full environment of the user you switch to. -- Rgds Peter.
