2018-07-04 21:00 GMT+03:00 Jack <[email protected]>: > On 2018.07.04 13:38, gevisz wrote: >> >> 2018-07-03 16:22 GMT+03:00 Mart Raudsepp <[email protected]>: >> > Ühel kenal päeval, T, 03.07.2018 kell 14:00, kirjutas gevisz: >>>> >>>> Are you, by any chance, running this command through something like >>>> lxc-attach or ssh? >>>>> >>>>> I had the exact same problem two days ago and it turned out to be >>>>> something about the environment being passed to the remote system. >>>>> Sourcing >>>>> /etc/profile did the trick. >>>> >>>> No, I do it on my desktop staying just in front of me. So, no need for >>>> ssh (and I do not know what lxc-attach is at all). >> >> >> >> >> Still, sourcing /etc/profile somehow helped: >> > >> > How do you obtain root privileges for the command? >> >> su >> >>> If you use su, you should be using "su -" (or "su -l" or "su --login"), >>> not "su". >> >> >> I have used only "su" for already 3 years, since switched to Gentoo from >> Ubuntu and never had any problems with it. >> >> Could you explain a little bit more why "su -" should be used instead. > > It's not so much needing the root environment, it's that sometimes things in > your own environment cause problems if not removed when emerge runs. There > is another recent thread about emerge (nodejs) failing because of sandbox > violations due to some XDG variable causing an install script to try writing > to somewhere it would not have it the environment had been properly > sanitized. Note I consider this a general precaution, it may or may not be > relevant for the subject of this thread. The problems caused by this issue > are indeed infrequent and sporadic, so it's not surprising that you have not > run into any of them. It seems to be related to the details in some > ebuilds.
Ok, got it. Thank you for the explanation. >> From the man page I've got the following: >> >> -, -l, --login >> Provide an environment similar to what the user would expect had >> the user logged in directly. >> >> But I cannot see why I need the original root environment, especially if I >> never set it up. > > That's partly the point - the root environment is generally much more empty > than that of your usual user. > >> > If you use sudo, you might need to pass -i (--login) option to it. >> >> I hate using sudo since I have been forced to use it in Ubuntu. > > I almost never used sudo when I used Ubuntu. I used su or logged in as root > when necessary. It is quite strange because, when I used Ubuntu, it had no root account, and so, everybody was forced to use sudo to get root privileges.
