refactor: streamline core modules into dedicated folder
This commit is contained in:
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b429e6468f
commit
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B95E8FE6B11C4D09
12 changed files with 27 additions and 28 deletions
43
modules/core/bacula.nix
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43
modules/core/bacula.nix
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@ -0,0 +1,43 @@
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{ pkgs, config, ... }:
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{
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sops.secrets = {
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"bacula/password".owner = "bacula";
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"bacula/keypair".owner = "bacula";
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"bacula/masterkey".owner = "bacula";
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};
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networking.firewall = {
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extraInputRules = ''
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ip saddr 10.144.0.11 tcp dport ${builtins.toString config.services.bacula-fd.port} accept comment "Only allow Bacula access from Abel"
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'';
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};
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services.bacula-fd = {
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enable = true;
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name = "ifsr-quitte";
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extraClientConfig = ''
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Maximum Concurrent Jobs = 20
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FDAddress = 141.30.30.169
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PKI Signatures = Yes
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PKI Encryption = Yes
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PKI Keypair = ${config.sops.secrets."bacula/keypair".path}
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PKI Master Key = ${config.sops.secrets."bacula/masterkey".path}
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'';
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extraMessagesConfig = ''
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director = abel-dir = all, !skipped, !restored
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mailcommand = "${pkgs.bacula}/bin/bsmtp -f \"Bacula <bacula@${config.networking.domain}>\" -s \"Bacula report" %r"
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mail = root+backup = all, !skipped
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'';
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director."abel-dir".password = "@${config.sops.secrets."bacula/password".path}";
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};
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environment.etc."bacula/bconsole.conf".text = ''
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Director {
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Name = abel-dir
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DIRport = 9101
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address = 10.144.0.11
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Password = @${config.sops.secrets."bacula/password".path}
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}
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Console {
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Name = ifsr-quitte-console
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Password = @${config.sops.secrets."bacula/password".path}
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}
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'';
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}
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112
modules/core/base.nix
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112
modules/core/base.nix
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@ -0,0 +1,112 @@
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{ pkgs, config, ... }: {
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nix = {
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package = pkgs.nixUnstable; # or versioned attributes like nix_2_4
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extraOptions = ''
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experimental-features = nix-command flakes
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'';
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};
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system.activationScripts.report-nixos-changes = ''
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if [ -e /run/current-system ] && [ -e $systemConfig ]; then
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echo System package diff:
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${config.nix.package}/bin/nix store diff-closures /run/current-system $systemConfig || true
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fi
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NO_FORMAT="\033[0m"
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F_BOLD="\033[1m"
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C_RED="\033[38;5;9m"
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${pkgs.diffutils}/bin/cmp --silent \
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<(readlink /run/booted-system/{initrd,kernel,kernel-modules}) \
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<(readlink /run/current-system/{initrd,kernel,kernel-modules}) \
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|| echo -e "''${F_BOLD}''${C_RED}Kernel version changed, reboot is advised.''${NO_FORMAT}"
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'';
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# Select internationalisation properties.
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console = {
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#font = "Lat2-Terminus16";
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font = "${pkgs.terminus_font}/share/consolefonts/ter-u28n.psf.gz";
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keyMap = pkgs.lib.mkForce "uk";
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};
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# Enable the OpenSSH daemon.
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services.openssh.enable = true;
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programs.mosh.enable = true;
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# vs code server
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services.vscode-server.enable = true;
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# set root ssh keys
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users.users.root.openssh.authorizedKeys = {
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keys = [
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# RSA keys go into keyFiles because they're shamefully long
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# "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIPS8xkNH7JvKblekx5oel4HVKCz3uBbQYEaR9Z9nzTAr manuel@ifsr.de"
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"ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAINogGKyXieCXQvVTa1z3ArS1TlqcVl2sSqvMpOjQo/Um jakob@krbs.me"
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"ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAICjNYNRBsY/Dc+/XOaGDui9tRa4VGPsHwYo3irGnMRbR felix@tycho"
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"ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIDdOcXORg+akeN2t3yZlKWdoTURKxtV29eQ7UrIMkCHv felix@entropy"
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# "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIH73n+ZfJqNzIh9rPh6JYQaI4OAw9WKkPeqj2XRFmRfQ pascal@ifsr.de"
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"ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIAmb1kv+7HU1QKE53+gNxUhrggbwomC40Xjxd9hACkoo bennofs@d-cube"
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"ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIA0X6L7NwTHiOmFzo8mJBCy6H+DKUePAAXU4amm32DAQ fugi@arch"
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"ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIHD1ZkrAmC9g5eJPDgv4zuEM+UIIEWromDzM1ltHt4TM fugi@macbook"
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# "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAICBtP2ltExnQL5llOvfSKp6OCZKbPWsa2s6P0i00XyrH helene_emilia.hausmann@mailbox.tu-dresden.de"
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# "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIEXMHwy4AZ9B4pMRBa/P/rb7N3SCas9e7Lp89plTHdFS halcyon@eisvogel.moe"
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# "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIAJ7qUGZUjiDhQ6Se+aXr9DbgRTG2tx69owqVMkd2bna simon@mayushii"
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"ecdsa-sha2-nistp256 AAAAE2VjZHNhLXNoYTItbmlzdHAyNTYAAAAIbmlzdHAyNTYAAABBBLlITzcTVnSi8EpEW3leSuqYCDhbnJyoGCjFOtIJ0Dl5uRNm0UNXS7AbQtLLylEeI1+/qinQDEWAJ6cBDAaPfNw= rouven@thinkpad"
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"ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAINJgYI2rXmw4uPXAMmOgqgJEwYfwj/IBExTCzs9Dgo+R w0lff"
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];
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keyFiles = [
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../../keys/ssh/marcus-sapphire
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../../keys/ssh/schrader
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../../keys/ssh/jannusch
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../../keys/ssh/jannusch-arch
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../../keys/ssh/tassilo
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../../keys/ssh/jonasga
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../../keys/ssh/rouven
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../../keys/ssh/joachim
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];
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};
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time.timeZone = "Europe/Berlin";
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# basic shell & editor
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programs.vim.defaultEditor = true;
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# List packages installed in system profile. To search, run:
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# $ nix search wget
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environment.systemPackages = with pkgs; [
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atop
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btop
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bat
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git
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htop
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fd
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ripgrep
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tldr
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tmux
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usbutils
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wget
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neovim
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helix
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nmap
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tcpdump
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bat
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dig
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ethtool
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iftop
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ipcalc
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iperf3
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ipv6calc
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lsof
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ltrace
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strace
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mtr
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traceroute
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smartmontools
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sysstat
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tree
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whois
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eza
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zsh
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unzip
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];
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}
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14
modules/core/default.nix
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14
modules/core/default.nix
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{ ... }:
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{
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imports = [
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./base.nix
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./bacula.nix
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./fail2ban.nix
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./initrd-ssh.nix
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./mysql.nix
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./nginx.nix
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./postgres.nix
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./sssd.nix
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./zsh.nix
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];
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}
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27
modules/core/fail2ban.nix
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27
modules/core/fail2ban.nix
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{ ... }:
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{
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services.fail2ban = {
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enable = true;
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ignoreIP = [
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"141.30.0.0/16"
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"141.76.0.0/16"
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];
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bantime-increment = {
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enable = true;
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};
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jails = {
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dovecot = ''
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enabled = true
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# aggressive mode to add blocking for aborted connections
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filter = dovecot[mode=aggressive]
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maxretry = 3
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'';
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postfix = ''
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enabled = true
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filter = postfix[mode=aggressive]
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maxretry = 3
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'';
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};
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};
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}
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28
modules/core/initrd-ssh.nix
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28
modules/core/initrd-ssh.nix
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# Find the required kernel module for the network adapter using `lspci -v` and add it to `boot.initrd.availableKernelModules`.
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# Enable `networking.useDHCP` or set a static ip using the `ip=` kernel parameter.
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# Generate another SSH host key for the machine:
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# $ ssh-keygen -t ed25519 -N "" -f /etc/ssh/ssh_host_ed25519_key_initrd -C HOSTNAME-initrd
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# Add the public key to your known_hosts and create an ssh config entry.
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{ config, ... }:
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{
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boot.initrd = {
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systemd = {
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enable = true;
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network = {
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enable = true;
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networks."10-wired-default" = config.systemd.network.networks."10-wired-default";
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};
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users.root.shell = "/bin/systemd-tty-ask-password-agent";
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};
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network = {
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enable = true;
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ssh = {
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enable = true;
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port = 222;
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hostKeys = [ "/etc/ssh/ssh_host_ed25519_key_initrd" ];
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# authorizedKeys option inherits root's authorizedKeys.keys, but not keyFiles
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};
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};
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};
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}
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20
modules/core/mysql.nix
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20
modules/core/mysql.nix
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{ pkgs, ... }:
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{
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services.mysql = {
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enable = true;
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package = pkgs.mariadb;
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settings.mysqld.bind_address = "127.0.0.1";
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};
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services.mysqlBackup = {
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enable = true;
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user = "mysql";
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location = "/var/lib/backup/mysql";
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databases = [
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"decisions"
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"fsrewsp"
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"nightline"
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"wiki_ese"
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"wiki_vernetzung"
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];
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};
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}
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55
modules/core/nginx.nix
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55
modules/core/nginx.nix
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@ -0,0 +1,55 @@
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{ lib, config, pkgs, ... }:
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{
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# set default options for virtualHosts
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options = with lib; {
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services.nginx.virtualHosts = mkOption {
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type = types.attrsOf (types.submodule
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({ name, ... }: {
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# split up nginx access logs per vhost
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extraConfig = ''
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access_log /var/log/nginx/${name}_access.log;
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error_log /var/log/nginx/${name}_error.log;
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'';
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})
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);
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};
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};
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config = {
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services.nginx = {
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additionalModules = [ pkgs.nginxModules.pam ];
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enable = true;
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recommendedProxySettings = true;
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recommendedGzipSettings = true;
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recommendedOptimisation = true;
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recommendedTlsSettings = true;
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# appendHttpConfig = ''
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# map $remote_addr $remote_addr_anon {
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# ~(?P<ip>\d+\.\d+\.\d+)\. $ip.0;
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# ~(?P<ip>[^:]+:[^:]+): $ip::;
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# # IP addresses to not anonymize
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# 127.0.0.1 $remote_addr;
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# ::1 $remote_addr;
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# default 0.0.0.0;
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# }
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# log_format anon_ip '$remote_addr_anon - $remote_user [$time_local] "$request" '
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# '$status $body_bytes_sent "$http_referer" '
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# '"$http_user_agent" "$http_x_forwarded_for"';
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# access_log /var/log/nginx/access.log anon_ip;
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# '';
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};
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security.acme = {
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acceptTerms = true;
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defaults = {
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#server = "https://acme-staging-v02.api.letsencrypt.org/directory";
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email = "root@${config.networking.domain}";
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};
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};
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security.pam.services.nginx.text = ''
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auth required ${pkgs.nss_pam_ldapd}/lib/security/pam_ldap.so
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account required ${pkgs.nss_pam_ldapd}/lib/security/pam_ldap.so
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'';
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};
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}
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26
modules/core/postgres.nix
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26
modules/core/postgres.nix
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{ ... }:
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{
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# automatically back up all databases
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services.postgresqlBackup = {
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enable = true;
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location = "/var/lib/backup/postgresql";
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databases = [
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"directus_ese"
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"course-management"
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"git"
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"hedgedoc"
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"matrix-synapse"
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"mautrix-telegram"
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"mediawiki"
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"nextcloud"
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"postgres"
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"sogo"
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"vaultwarden"
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"mailman"
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"mailman-web"
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"zammad"
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];
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};
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services.postgresql.settings.max_connections = 1000;
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}
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41
modules/core/sssd.nix
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41
modules/core/sssd.nix
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{ config, ... }:
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{
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sops.secrets = {
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"sssd/env" = { };
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};
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services.sssd = {
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enable = true;
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environmentFile = config.sops.secrets."sssd/env".path;
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sshAuthorizedKeysIntegration = true;
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config = ''
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[sssd]
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config_file_version = 2
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services = nss, pam, ssh
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domains = ldap
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[ssh]
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[nss]
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[pam]
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[domain/ldap]
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auth_provider = ldap
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ldap_uri = ldaps://auth.ifsr.de
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ldap_default_authtok_type = password
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ldap_default_authtok = $SSSD_LDAP_DEFAULT_AUTHTOK
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ldap_search_base = dc=ifsr,dc=de
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id_provider = ldap
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ldap_default_bind_dn = uid=search,ou=users,dc=ifsr,dc=de
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cache_credentials = True
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ldap_tls_cacert = /etc/ssl/certs/ca-bundle.crt
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ldap_tls_reqcert = hard
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'';
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};
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security.pam.services = {
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sshd.makeHomeDir = true;
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login.makeHomeDir = true;
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};
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}
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34
modules/core/zsh.nix
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34
modules/core/zsh.nix
Normal file
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@ -0,0 +1,34 @@
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{ lib, pkgs, ... }:
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{
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programs.command-not-found.enable = false;
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programs.nix-index-database.comma.enable = true;
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environment.systemPackages = with pkgs; [
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# fzf
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bat
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duf
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];
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programs.fzf = {
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keybindings = true;
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};
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programs.zsh = {
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enable = true;
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autosuggestions = {
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enable = true;
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highlightStyle = "fg=#00bbbb,bold";
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};
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# don't override agdsn-zsh-config aliases
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shellAliases = lib.mkForce { };
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shellInit = ''
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zsh-newuser-install () {}
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'';
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interactiveShellInit = ''
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source ${pkgs.zsh-fzf-tab}/share/fzf-tab/fzf-tab.plugin.zsh
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HW_CONF_ALIASES_GIT_AUTHOR_REMINDER=0
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source ${pkgs.agdsn-zsh-config}/etc/zsh/zshrc
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'';
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promptInit = "";
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};
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}
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