Differences

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--- howto:languages [2023/07/29 13:23] – tcmal
+++ howto:languages [2024/02/23 11:05] (current) – tcmal
@@ Line 1: / Line 1: @@
-====== 3. Installing new packages ======
+====== 5. Installing new packages ======
 If you want to run some code you wrote, you probably need some language or runtime to do so - eg Python, GCC, Haskell. It might happen to be installed system wide, but when it's not, we use a tool called [[https://nixos.org/|Nix]] to install packages per-user without having version conflicts.
@@ Line 7: / Line 7: @@
 <code>
 # install 'hello' from nixpkgs
-$ nix-env -iA nixpkgs.hello
+$ nix profile install nixpkgs#hello
-installing 'hello-2.12.1'
 $ hello
 Hello, world!
@@ Line 14: / Line 13: @@
 # see everything installed for the current user
-$ nix-env -q
+$ nix profile list
-hello-2.12.1
+flake:nixpkgs#legacyPackages.x86_64-linux.hello github:NixOS/nixpkgs/98b00b6947a9214381112bdb6f89c25498db4959#legacyPackages.x86_64-linux.hello /nix/store/63l345l7dgcfz789w1y93j1540czafqh-hello-2.12.1
 # uninstall 'hello'. note no 'nixpkgs.' this time
-$ nix-env --uninstall hello
+$ nix profile remove 0
+removing 'flake:nixpkgs#legacyPackages.x86_64-linux.hello'
 </code>