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| To configure Nix for sandboxing set <code>build-use-sandbox = true;</code> in <code>/etc/nix/nix.conf</code>; to configure NixOS for sandboxing set <code>nix.useSandbox = true;</code> in <code>configuration.nix</code>. | | To configure Nix for sandboxing set <code>build-use-sandbox = true;</code> in <code>/etc/nix/nix.conf</code>; to configure NixOS for sandboxing set <code>nix.useSandbox = true;</code> in <code>configuration.nix</code>. |
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| === Debugging ===
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| ==== Common Errors ====
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| ===== Bad configuration option: gssapikexalgorithms =====
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| Found when using an SSH binary from Nix on typically RPM-based distros like CentOS, Fedora, Scientific Linux, Redhat, etc. '''The quick fix:''' Just comment out the configuration option in the ssh config file, you probably don't need it.
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| ===== Desktop Environment does not find .desktop files =====
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| IF your DE does not look in <code>$HOME/.nix-profile/share</code> for .desktop files.
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| You need to add that path to the <code>XDG_DATA_DIRS</code>, the position reflects precedence so files in earlier directories shadow files in later directories. This can be accomplished in various ways depending on your login manager, see [https://wiki.archlinux.org/index.php/Xprofile Arch wiki: Xprofile] for more information.
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| For example using <code>~/.xprofile</code> as follows:
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| <syntaxHighlight lang="console">
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| $ export XDG_DATA_DIRS=$HOME/.nix-profile/share:/usr/local/share:/usr/share
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| </syntaxHighlight>
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| Notice that you have to include the default locations on your system, otherwise they will be overwritten. Find out the proper paths using <code>echo $XDG_DATA_DIRS</code>. (Note: <code>export XDG_DATA_DIRS=$HOME/.nix-profile/share:$XDG_DATA_DIRS</code> did not work, XDG_DATA_DIRS ended up containing only <code>$HOME/.nix-profile/share:</code> which isn't even a valid path.)
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| == Internals == | | == Internals == |