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Diffstat (limited to 'README')
| -rw-r--r-- | README | 27 |
1 files changed, 23 insertions, 4 deletions
diff --git a/README b/README index d2bbfacd5a..09433586be 100644 --- a/README +++ b/README @@ -59,10 +59,29 @@ the promise of a build; it is stored as a text file under `derivation' primitive, as well as higher-level wrappers such as `build-expression->derivation'. -Guix does remote procedure calls (RPCs) to the Nix daemon (the -=nix-worker --daemon= command), which in turn performs builds and -accesses to the Nix store on its behalf. The RPCs are implemented in -the (guix store) module. +Guix does remote procedure calls (RPCs) to the Guix or Nix daemon (the +=guix-daemon= or =nix-daemon= command), which in turn performs builds +and accesses to the Nix store on its behalf. The RPCs are implemented +in the (guix store) module. + +* Installing Guix as non-root + +The Guix daemon allows software builds to be performed under alternate +user accounts, which are normally created specifically for this +purpose. For instance, you may have a pool of accounts in the +=guixbuild= group, and then you can instruct =guix-daemon= to use them +like this: + + $ guix-daemon --build-users-group=guixbuild + +However, unless it is run as root, =guix-daemon= cannot switch users. +In that case, it falls back to using a setuid-root helper program call +=nix-setuid-helper=. That program is not setuid-root by default when +you install it; instead you should run a command along these lines +(assuming Guix is installed under /usr/local): + + # chown root.root /usr/local/libexec/nix-setuid-helper + # chmod 4755 /usr/local/libexec/nix-setuid-helper * Contact |