Merge remote-tracking branch 'prism/master'

8 files changed, 0 insertions, 1050 deletions

diff --git a/mb/2configs/default.nix b/mb/2configs/default.nix
deleted file mode 100644
index 3066d1c36..000000000
--- a/mb/2configs/default.nix
+++ /dev/null
@@ -1,222 +0,0 @@
-with import <stockholm/lib>;
-{ config, pkgs, ... }:
-{
-  imports = [
-    {
-      users.users = {
-        root = {
-          openssh.authorizedKeys.keys = [
-            config.krebs.users.mb.pubkey
-          ];
-        };
-        mb = {
-          name = "mb";
-          uid = 1337;
-          home = "/home/mb";
-          group = "users";
-          createHome = true;
-          shell = "/run/current-system/sw/bin/fish";
-          extraGroups = [
-            "audio"
-            "video"
-            "fuse"
-            "wheel"
-            "kvm"
-            "qemu-libvirtd"
-            "libvirtd"
-          ];
-          openssh.authorizedKeys.keys = [
-            config.krebs.users.mb.pubkey
-          ];
-        };
-        xo = {
-          name = "xo";
-          uid = 2323;
-          home = "/home/xo";
-          group = "users";
-          createHome = true;
-          shell = "/run/current-system/sw/bin/fish";
-          extraGroups = [
-            "audio"
-            "video"
-            "fuse"
-            "wheel"
-            "kvm"
-            "qemu-libvirtd"
-            "libvirtd"
-          ];
-          openssh.authorizedKeys.keys = [
-            config.krebs.users.mb.pubkey
-          ];
-        };
-      };
-    }
-    {
-      environment.variables = {
-        NIX_PATH = mkForce "secrets=/var/src/stockholm/null:/var/src";
-      };
-    }
-    (let ca-bundle = "/etc/ssl/certs/ca-bundle.crt"; in {
-      environment.variables = {
-        CURL_CA_BUNDLE = ca-bundle;
-        GIT_SSL_CAINFO = ca-bundle;
-        SSL_CERT_FILE = ca-bundle;
-      };
-    })
-  ];
-
-  networking.hostName = config.krebs.build.host.name;
-
-  krebs = {
-    enable = true;
-    build.user = config.krebs.users.mb;
-  };
-
-  users.mutableUsers = true;
-
-  services.timesyncd.enable = mkForce true;
-
-  systemd.tmpfiles.rules = [
-    "d /tmp 1777 root root - -"
-  ];
-
-  # multiple-definition-problem when defining environment.variables.EDITOR
-  environment.extraInit = ''
-    EDITOR=vim
-  '';
-
-  nixpkgs.config.allowUnfree = true;
-
-  environment.systemPackages = with pkgs; [
-  #stockholm
-    git
-    git-preview
-    gnumake
-    jq
-    parallel
-    proot
-    populate
-
-  #style
-    most
-    rxvt_unicode.terminfo
-
-  #monitoring tools
-    htop
-    iotop
-
-  #network
-    iptables
-    iftop
-    tcpdump
-
-  #stuff for dl
-    aria2
-
-  #neat utils
-    fish
-    file
-    kpaste
-    krebspaste
-    mosh
-    pciutils
-    psmisc
-    tmux
-    untilport
-    usbutils
-
-  #unpack stuff
-    p7zip
-
-    (pkgs.writeDashBin "sshn" ''
-      ${pkgs.openssh}/bin/ssh -o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no "$@"
-    '')
-  ];
-
-  services.openssh = {
-    enable = true;
-    permitRootLogin = "yes";
-    passwordAuthentication = false;
-    hostKeys = [
-      # XXX bits here make no science
-      { bits = 8192; type = "ed25519"; path = "/etc/ssh/ssh_host_ed25519_key"; }
-    ];
-  };
-
-  programs.fish = {
-    enable = true;
-    shellInit = ''
-      function ssh_agent --description 'launch the ssh-agent and add the id_rsa identity'
-          if begin
-              set -q SSH_AGENT_PID
-              and kill -0 $SSH_AGENT_PID
-              and grep -q '^ssh-agent' /proc/$SSH_AGENT_PID/cmdline
-          end
-              echo "ssh-agent running on pid $SSH_AGENT_PID"
-          else
-              eval (command ssh-agent -c | sed 's/^setenv/set -Ux/')
-          end
-          set -l identity $HOME/.ssh/id_rsa
-          set -l fingerprint (ssh-keygen -lf $identity | awk '{print $2}')
-          ssh-add -l | grep -q $fingerprint
-            or ssh-add $identity
-      end
-    '';
-    promptInit = ''
-      function fish_prompt --description 'Write out the prompt'
-          set -l color_cwd
-          set -l suffix
-          set -l nix_shell_info (
-              if test "$IN_NIX_SHELL" != ""
-                 echo -n " <nix-shell>"
-              end
-          )
-          switch "$USER"
-              case root toor
-                  if set -q fish_color_cwd_root
-                      set color_cwd $fish_color_cwd_root
-                  else
-                      set color_cwd $fish_color_cwd
-                  end
-                  set suffix '#'
-              case '*'
-                  set color_cwd $fish_color_cwd
-                  set suffix '>'
-          end
-
-          echo -n -s "$USER" @ (set_color yellow) (prompt_hostname) (set_color normal) "$nix_shell_info" ' ' (set_color $color_cwd) (prompt_pwd) (set_color normal) "$suffix "
-      end
-    '';
-  };
-
-  services.journald.extraConfig = ''
-    SystemMaxUse=1G
-    RuntimeMaxUse=128M
-  '';
-
-  krebs.iptables = {
-    enable = true;
-    tables = {
-      nat.PREROUTING.rules = [
-        { predicate = "! -i retiolum -p tcp -m tcp --dport 22"; target = "REDIRECT --to-ports 0"; precedence = 100; }
-        { predicate = "-p tcp -m tcp --dport 45621"; target = "REDIRECT --to-ports 22"; precedence = 99; }
-      ];
-      nat.OUTPUT.rules = [
-        { predicate = "-o lo -p tcp -m tcp --dport 45621"; target = "REDIRECT --to-ports 22"; precedence = 100; }
-      ];
-      filter.INPUT.policy = "DROP";
-      filter.FORWARD.policy = "DROP";
-      filter.INPUT.rules = [
-        { predicate = "-i retiolum -p udp --dport 60000:61000"; target = "ACCEPT";}
-        { predicate = "-m conntrack --ctstate RELATED,ESTABLISHED"; target = "ACCEPT"; precedence = 10001; }
-        { predicate = "-p icmp"; target = "ACCEPT"; precedence = 10000; }
-        { predicate = "-p ipv6-icmp"; target = "ACCEPT"; v4 = false;  precedence = 10000; }
-        { predicate = "-i lo"; target = "ACCEPT"; precedence = 9999; }
-        { predicate = "-p tcp --dport 22"; target = "ACCEPT"; precedence = 9998; }
-        { predicate = "-p tcp -i retiolum"; target = "REJECT --reject-with tcp-reset"; precedence = -10000; }
-        { predicate = "-p udp -i retiolum"; target = "REJECT --reject-with icmp-port-unreachable"; v6 = false; precedence = -10000; }
-        { predicate = "-i retiolum"; target = "REJECT --reject-with icmp-proto-unreachable"; v6 = false; precedence = -10000; }
-      ];
-    };
-  };
-}
diff --git a/mb/2configs/google-compute-config.nix b/mb/2configs/google-compute-config.nix
deleted file mode 100644
index b201bd4b8..000000000
--- a/mb/2configs/google-compute-config.nix
+++ /dev/null
@@ -1,231 +0,0 @@
-{ config, lib, pkgs, ... }:
-with lib;
-let
-  gce = pkgs.google-compute-engine;
-in
-{
-  imports = [
-    ./headless.nix
-    ./qemu-guest.nix
-  ];
-
-  fileSystems."/" = {
-    device = "/dev/disk/by-label/nixos";
-    autoResize = true;
-  };
-
-  boot.growPartition = true;
-  boot.kernelParams = [ "console=ttyS0" "panic=1" "boot.panic_on_fail" ];
-  boot.initrd.kernelModules = [ "virtio_scsi" ];
-  boot.kernelModules = [ "virtio_pci" "virtio_net" ];
-
-  # Generate a GRUB menu.  Amazon's pv-grub uses this to boot our kernel/initrd.
-  boot.loader.grub.device = "/dev/sda";
-  boot.loader.timeout = 0;
-
-  # Don't put old configurations in the GRUB menu.  The user has no
-  # way to select them anyway.
-  boot.loader.grub.configurationLimit = 0;
-
-  # Allow root logins only using the SSH key that the user specified
-  # at instance creation time.
-  #services.openssh.enable = true;
-  #services.openssh.permitRootLogin = "prohibit-password";
-  #services.openssh.passwordAuthentication = mkDefault false;
-
-  # Use GCE udev rules for dynamic disk volumes
-  services.udev.packages = [ gce ];
-
-  # Force getting the hostname from Google Compute.
-  networking.hostName = mkDefault "";
-
-  # Always include cryptsetup so that NixOps can use it.
-  environment.systemPackages = [ pkgs.cryptsetup ];
-
-  # Make sure GCE image does not replace host key that NixOps sets
-  environment.etc."default/instance_configs.cfg".text = lib.mkDefault ''
-    [InstanceSetup]
-    set_host_keys = false
-  '';
-
-  # Rely on GCP's firewall instead
-  networking.firewall.enable = mkDefault false;
-
-  # Configure default metadata hostnames
-  networking.extraHosts = ''
-    169.254.169.254 metadata.google.internal metadata
-  '';
-
-  networking.timeServers = [ "metadata.google.internal" ];
-
-  networking.usePredictableInterfaceNames = false;
-
-  # GC has 1460 MTU
-  networking.interfaces.eth0.mtu = 1460;
-
-  security.googleOsLogin.enable = true;
-
-  systemd.services.google-clock-skew-daemon = {
-    description = "Google Compute Engine Clock Skew Daemon";
-    after = [
-      "network.target"
-      "google-instance-setup.service"
-      "google-network-setup.service"
-    ];
-    requires = ["network.target"];
-    wantedBy = ["multi-user.target"];
-    serviceConfig = {
-      Type = "simple";
-      ExecStart = "${gce}/bin/google_clock_skew_daemon --debug";
-    };
-  };
-
-  systemd.services.google-instance-setup = {
-    description = "Google Compute Engine Instance Setup";
-    after = ["local-fs.target" "network-online.target" "network.target" "rsyslog.service"];
-    before = ["sshd.service"];
-    wants = ["local-fs.target" "network-online.target" "network.target"];
-    wantedBy = [ "sshd.service" "multi-user.target" ];
-    path = with pkgs; [ ethtool openssh ];
-    serviceConfig = {
-      ExecStart = "${gce}/bin/google_instance_setup --debug";
-      Type = "oneshot";
-    };
-  };
-
-  systemd.services.google-network-daemon = {
-    description = "Google Compute Engine Network Daemon";
-    after = ["local-fs.target" "network-online.target" "network.target" "rsyslog.service" "google-instance-setup.service"];
-    wants = ["local-fs.target" "network-online.target" "network.target"];
-    requires = ["network.target"];
-    partOf = ["network.target"];
-    wantedBy = [ "multi-user.target" ];
-    path = with pkgs; [ iproute ];
-    serviceConfig = {
-      ExecStart = "${gce}/bin/google_network_daemon --debug";
-    };
-  };
-
-  systemd.services.google-shutdown-scripts = {
-    description = "Google Compute Engine Shutdown Scripts";
-    after = [
-      "local-fs.target"
-      "network-online.target"
-      "network.target"
-      "rsyslog.service"
-      "systemd-resolved.service"
-      "google-instance-setup.service"
-      "google-network-daemon.service"
-    ];
-    wants = [ "local-fs.target" "network-online.target" "network.target"];
-    wantedBy = [ "multi-user.target" ];
-    serviceConfig = {
-      ExecStart = "${pkgs.coreutils}/bin/true";
-      ExecStop = "${gce}/bin/google_metadata_script_runner --debug --script-type shutdown";
-      Type = "oneshot";
-      RemainAfterExit = true;
-      TimeoutStopSec = "infinity";
-    };
-  };
-
-  systemd.services.google-startup-scripts = {
-    description = "Google Compute Engine Startup Scripts";
-    after = [
-      "local-fs.target"
-      "network-online.target"
-      "network.target"
-      "rsyslog.service"
-      "google-instance-setup.service"
-      "google-network-daemon.service"
-    ];
-    wants = ["local-fs.target" "network-online.target" "network.target"];
-    wantedBy = [ "multi-user.target" ];
-    serviceConfig = {
-      ExecStart = "${gce}/bin/google_metadata_script_runner --debug --script-type startup";
-      KillMode = "process";
-      Type = "oneshot";
-    };
-  };
-
-
-  # Settings taken from https://github.com/GoogleCloudPlatform/compute-image-packages/blob/master/google_config/sysctl/11-gce-network-security.conf
-  boot.kernel.sysctl = {
-    # Turn on SYN-flood protections.  Starting with 2.6.26, there is no loss
-    # of TCP functionality/features under normal conditions.  When flood
-    # protections kick in under high unanswered-SYN load, the system
-    # should remain more stable, with a trade off of some loss of TCP
-    # functionality/features (e.g. TCP Window scaling).
-    "net.ipv4.tcp_syncookies" = mkDefault "1";
-
-    # ignores source-routed packets
-    "net.ipv4.conf.all.accept_source_route" = mkDefault "0";
-
-    # ignores source-routed packets
-    "net.ipv4.conf.default.accept_source_route" = mkDefault "0";
-
-    # ignores ICMP redirects
-    "net.ipv4.conf.all.accept_redirects" = mkDefault "0";
-
-    # ignores ICMP redirects
-    "net.ipv4.conf.default.accept_redirects" = mkDefault "0";
-
-    # ignores ICMP redirects from non-GW hosts
-    "net.ipv4.conf.all.secure_redirects" = mkDefault "1";
-
-    # ignores ICMP redirects from non-GW hosts
-    "net.ipv4.conf.default.secure_redirects" = mkDefault "1";
-
-    # don't allow traffic between networks or act as a router
-    "net.ipv4.ip_forward" = mkDefault "0";
-
-    # don't allow traffic between networks or act as a router
-    "net.ipv4.conf.all.send_redirects" = mkDefault "0";
-
-    # don't allow traffic between networks or act as a router
-    "net.ipv4.conf.default.send_redirects" = mkDefault "0";
-
-    # reverse path filtering - IP spoofing protection
-    "net.ipv4.conf.all.rp_filter" = mkDefault "1";
-
-    # reverse path filtering - IP spoofing protection
-    "net.ipv4.conf.default.rp_filter" = mkDefault "1";
-
-    # ignores ICMP broadcasts to avoid participating in Smurf attacks
-    "net.ipv4.icmp_echo_ignore_broadcasts" = mkDefault "1";
-
-    # ignores bad ICMP errors
-    "net.ipv4.icmp_ignore_bogus_error_responses" = mkDefault "1";
-
-    # logs spoofed, source-routed, and redirect packets
-    "net.ipv4.conf.all.log_martians" = mkDefault "1";
-
-    # log spoofed, source-routed, and redirect packets
-    "net.ipv4.conf.default.log_martians" = mkDefault "1";
-
-    # implements RFC 1337 fix
-    "net.ipv4.tcp_rfc1337" = mkDefault "1";
-
-    # randomizes addresses of mmap base, heap, stack and VDSO page
-    "kernel.randomize_va_space" = mkDefault "2";
-
-    # Reboot the machine soon after a kernel panic.
-    "kernel.panic" = mkDefault "10";
-
-    ## Not part of the original config
-
-    # provides protection from ToCToU races
-    "fs.protected_hardlinks" = mkDefault "1";
-
-    # provides protection from ToCToU races
-    "fs.protected_symlinks" = mkDefault "1";
-
-    # makes locating kernel addresses more difficult
-    "kernel.kptr_restrict" = mkDefault "1";
-
-    # set ptrace protections
-    "kernel.yama.ptrace_scope" = mkOverride 500 "1";
-
-    # set perf only available to root
-    "kernel.perf_event_paranoid" = mkDefault "2";
-  };
-}
diff --git a/mb/2configs/headless.nix b/mb/2configs/headless.nix
deleted file mode 100644
index 46a9b6a7d..000000000
--- a/mb/2configs/headless.nix
+++ /dev/null
@@ -1,25 +0,0 @@
-# Common configuration for headless machines (e.g., Amazon EC2
-# instances).
-
-{ lib, ... }:
-
-with lib;
-
-{
-  boot.vesa = false;
-
-  # Don't start a tty on the serial consoles.
-  systemd.services."serial-getty@ttyS0".enable = false;
-  systemd.services."serial-getty@hvc0".enable = false;
-  systemd.services."getty@tty1".enable = false;
-  systemd.services."autovt@".enable = false;
-
-  # Since we can't manually respond to a panic, just reboot.
-  boot.kernelParams = [ "panic=1" "boot.panic_on_fail" ];
-
-  # Don't allow emergency mode, because we don't have a console.
-  systemd.enableEmergencyMode = false;
-
-  # Being headless, we don't need a GRUB splash image.
-  boot.loader.grub.splashImage = null;
-}
diff --git a/mb/2configs/neovimrc b/mb/2configs/neovimrc
deleted file mode 100644
index 8dbeaec7b..000000000
--- a/mb/2configs/neovimrc
+++ /dev/null
@@ -1,446 +0,0 @@
-
-"*****************************************************************************
-"" Functions
-"*****************************************************************************
-
-function! GetBufferList()
-    redir =>buflist
-    silent! ls!
-    redir END
-    return buflist
-endfunction
-
-function! ToggleList(bufname, pfx)
-    let buflist = GetBufferList()
-    for bufnum in map(filter(split(buflist, '\n'), 'v:val =~ "'.a:bufname.'"'), 'str2nr(matchstr(v:val, "\\d\\+"))')
-        if bufwinnr(bufnum) != -1
-            exec(a:pfx.'close')
-            return
-        endif
-    endfor
-    if a:pfx == 'l' && len(getloclist(0)) == 0
-        echohl ErrorMsg
-        echo "Location List is Empty."
-        return
-    endif
-    let winnr = winnr()
-    exec(a:pfx.'open')
-    if winnr() != winnr
-        wincmd p
-    endif
-endfunction
-
-
-"*****************************************************************************
-"" Basic Setup
-"*****************************************************************************"
-" General
-let no_buffers_menu=1
-syntax on
-set ruler
-set number
-set mousemodel=popup
-set t_Co=256
-set guioptions=egmrti
-set gfn=Monospace\ 10
-
-" TODO: Testing if this works against automatically setting paste mode
-" Issue: https://github.com/neovim/neovim/issues/7994
-au InsertLeave * set nopaste
-
-
-" undofile - This allows you to use undos after exiting and restarting
-" This, like swap and backups, uses .vim-undo first, then ~/.vim/undo
-" :help undo-persistence
-if exists("+undofile")
-    if isdirectory($HOME . '/.vim/undo') == 0
-        :silent !mkdir -p ~/.vim/undo > /dev/null 2>&1
-    endif
-    set undodir=./.vim-undo//
-    set undodir+=~/.vim/undo//
-    set undofile
-endif
-
-" Encoding
-set encoding=utf-8
-set fileencoding=utf-8
-set fileencodings=utf-8
-set bomb
-set binary
-
-" Fix backspace indent
-set backspace=indent,eol,start
-
-" Tabs. May be overriten by autocmd rules
-set tabstop=4
-set softtabstop=0
-set shiftwidth=4
-set expandtab
-
-" Map leader to ,
-let mapleader=','
-
-" Enable hidden buffers
-set hidden
-
-" Searching
-set hlsearch
-set incsearch
-set ignorecase
-set smartcase
-
-" Directories for swp files
-set nobackup
-set noswapfile
-
-set fileformats=unix,dos,mac
-
-" File overview
-set wildmode=list:longest,list:full
-set wildignore+=*.o,*.obj,.git,*.rbc,*.pyc,__pycache__
-
-" Shell to emulate
-if exists('$SHELL')
-    set shell=$SHELL
-else
-    set shell=/bin/bash
-endif
-
-" Set color scheme
-colorscheme molokai
-
-"Show always Status bar
-set laststatus=2
-
-" Use modeline overrides
-set modeline
-set modelines=10
-
-" Set terminal title
-set title
-set titleold="Terminal"
-set titlestring=%F
-
-" search will center on the line it's found in.
-nnoremap n nzzzv
-nnoremap N Nzzzv
-
-
-
-"*****************************************************************************
-"" Abbreviations
-"*****************************************************************************
-" no one is really happy until you have this shortcuts
-cnoreabbrev W! w!
-cnoreabbrev Q! q!
-cnoreabbrev Qall! qall!
-cnoreabbrev Wq wq
-cnoreabbrev Wa wa
-cnoreabbrev wQ wq
-cnoreabbrev WQ wq
-cnoreabbrev W w
-cnoreabbrev Q q
-cnoreabbrev Qall qall
-
-" NERDTree configuration
-let g:NERDTreeChDirMode=2
-let g:NERDTreeIgnore=['\.rbc$', '\~$', '\.pyc$', '\.db$', '\.sqlite$', '__pycache__']
-let g:NERDTreeSortOrder=['^__\.py$', '\/$', '*', '\.swp$', '\.bak$', '\~$']
-let g:NERDTreeShowBookmarks=1
-let g:nerdtree_tabs_focus_on_files=1
-let g:NERDTreeMapOpenInTabSilent = '<RightMouse>'
-let g:NERDTreeWinSize = 50
-set wildignore+=*/tmp/*,*.so,*.swp,*.zip,*.pyc,*.db,*.sqlite
-nnoremap <silent> <F1> :NERDTreeFind<CR>
-nnoremap <silent> <F2> :NERDTreeToggle<CR>
-
-" open terminal emulation
-nnoremap <silent> <leader>sh :terminal<CR>:startinsert<CR>
-
-"*****************************************************************************
-"" Autocmd Rules
-"*****************************************************************************
-"" The PC is fast enough, do syntax highlight syncing from start unless 200 lines
-augroup vimrc-sync-fromstart
-    autocmd!
-    autocmd BufEnter * :syntax sync maxlines=200
-augroup END
-
-" Nasm filetype
-augroup nasm
-    autocmd!
-    autocmd BufRead,BufNewFile *.nasm set ft=nasm
-augroup END
-
-" Binary filetype
-augroup Binary
-    au!
-    au BufReadPre  *.bin,*.exe,*.elf let &bin=1
-    au BufReadPost *.bin,*.exe,*.elf if &bin | %!xxd
-    au BufReadPost *.bin,*.exe,*.elf set ft=xxd | endif
-    au BufWritePre *.bin,*.exe,*.elf if &bin | %!xxd -r
-    au BufWritePre *.bin,*.exe,*.elf endif
-    au BufWritePost *.bin,*.exe,*.elf if &bin | %!xxd
-    au BufWritePost *.bin,*.exe,*.elf set nomod | endif
-augroup END
-
-" Binary filetype
-augroup fasm
-    au!
-    au BufReadPost *.fasm set ft=fasm
-augroup END
-
-augroup deoplete-update
-    autocmd!
-    autocmd VimEnter * UpdateRemotePlugin
-augroup END
-
-"" Remember cursor position
-augroup vimrc-remember-cursor-position
-    autocmd!
-    autocmd BufReadPost * if line("'\"") > 1 && line("'\"") <= line("$") | exe "normal! g`\"" | endif
-augroup END
-
-"" txt
-" augroup vimrc-wrapping
-"   autocmd!
-"   autocmd BufRead,BufNewFile *.txt call s:setupWrapping()
-" augroup END
-
-"" make/cmake
-augroup vimrc-make-cmake
-    autocmd!
-    autocmd FileType make setlocal noexpandtab
-    autocmd BufNewFile,BufRead CMakeLists.txt setlocal filetype=cmake
-augroup END
-
-set autoread
-
-"*****************************************************************************
-"" Mappings
-"*****************************************************************************
-
-" Split
-noremap <Leader>h :<C-u>split<CR>
-noremap <Leader>v :<C-u>vsplit<CR>
-
-" Git
-noremap <Leader>ga :Gwrite<CR>
-noremap <Leader>gc :Gcommit<CR>
-noremap <Leader>gsh :Gpush<CR>
-noremap <Leader>gll :Gpull<CR>
-noremap <Leader>gs :Gstatus<CR>
-noremap <Leader>gb :Gblame<CR>
-noremap <Leader>gd :Gvdiff<CR>
-noremap <Leader>gr :Gremove<CR>
-
-" Tabs
-nnoremap <Tab> gt
-nnoremap <S-Tab> gT
-nnoremap <silent> <S-t> :tabnew<CR>
-
-" Set working directory
-nnoremap <leader>. :lcd %:p:h<CR>
-
-" Opens an edit command with the path of the currently edited file filled in
-noremap <Leader>e :e <C-R>=expand("%:p:h") . "/" <CR>
-
-" Opens a tab edit command with the path of the currently edited file filled
-noremap <Leader>te :tabe <C-R>=expand("%:p:h") . "/" <CR>
-
-" Tagbar
-nmap <silent> <F3> :TagbarToggle<CR>
-let g:tagbar_autofocus = 1
-
-" Copy/Paste/Cut
-set clipboard^=unnamed,unnamedplus
-
-noremap YY "+y<CR>
-noremap <leader>p "+gP<CR>
-noremap XX "+x<CR>
-
-" Enable mouse for vim
-set mouse=a
-
-" Buffer nav
-noremap <leader>z :bp<CR>
-noremap <leader>q :bp<CR>
-noremap <leader>x :bn<CR>
-noremap <leader>w :bn<CR>
-
-" Close buffer
-noremap <leader>c :bd<CR>
-
-" Clean search (highlight)
-nnoremap <silent> <leader><space> :noh<cr>
-
-" Switching windows
-noremap <C-j> <C-w>j
-noremap <C-k> <C-w>k
-noremap <C-l> <C-w>l
-noremap <C-h> <C-w>h
-
-" Vmap for maintain Visual Mode after shifting > and <
-vmap < <gv
-vmap > >gv
-
-" Move visual block
-vnoremap J :m '>+1<CR>gv=gv
-vnoremap K :m '<-2<CR>gv=gv
-
-" Open current line on GitHub
-nnoremap <Leader>o :.Gbrowse<CR>
-
-
-" Save on strg+s if not in paste mode
-nmap <c-s> :w<CR>
-vmap <c-s> <Esc><c-s>gv
-imap <c-s> <Esc><c-s>
-
-" Quit on strg+q in normal mode
-nnoremap <c-q> :q<cr>
-
-" Strg+d to replace word under cursor
-nnoremap <c-d> :%s/\<<C-r><C-w>\>//g<Left><Left>
-
-" Strg+f ro find word under cursor
-nnoremap <c-f> :/<C-r><C-w><Left><Left>
-
-" Remove unneccessary spaces
-nnoremap <silent> <F5> :let _s=@/ <Bar> :%s/\s\+$//e <Bar> :let @/=_s <Bar> :nohl <Bar> :unlet _s <CR>
-
-" Reindent whole file with F6
-map <F6> mzgg=G`z
-
-" Toggle location list
-nmap <silent> <F4> :call ToggleList("Quickfix List", 'c')<CR>
-
-" Replacing text in visual mode doesn't copy it anymore
-xmap p <Plug>ReplaceWithRegisterVisual
-xmap <MiddleMouse> <Plug>ReplaceWithRegisterVisual
-
-" ALE mappings
-nmap <Leader>i <Plug>(ale_hover)
-nmap <Leader>d <Plug>(ale_go_to_definition_in_tab)
-nmap <Leader>rf <Plug>(ale_find_references)
-nmap <silent><F7> <Plug>(ale_fix)
-
-" Vim-Go mappings
-au FileType go nmap <Leader>i :GoDoc<cr>
-au FileType go nmap <Leader>d :GoDef<cr>
-au FileType go nmap <Leader>rf :GoReferrers<cr>
-
-
-"" Opens an edit command with the path of the currently edited file filled in
-noremap <Leader>e :e <C-R>=expand("%:p:h") . "/" <CR>
-
-" Use tab for navigatin in autocompletion window
-inoremap <expr> <Tab> pumvisible() ? "\<C-n>" : "\<Tab>"
-inoremap <expr> <S-Tab> pumvisible() ? "\<C-p>" : "\<S-Tab>"
-
-
-"*****************************************************************************
-"" Plugin settings
-"*****************************************************************************
-
-" vim-airline
-set statusline+=%{fugitive#statusline()}
-let g:airline_theme = 'powerlineish'
-let g:airline#extensions#syntastic#enabled = 1
-let g:airline#extensions#branch#enabled = 1
-let g:airline#extensions#tabline#enabled = 1
-let g:airline#extensions#tagbar#enabled = 1
-let g:airline_skip_empty_sections = 1
-let g:airline#extensions#ale#enabled = 1
-
-" show indent lines
-let g:indent_guides_enable_on_vim_startup = 1
-let g:indent_guides_auto_colors = 0
-hi IndentGuidesOdd ctermbg=235
-hi IndentGuidesEven ctermbg=235
-let g:indent_guides_guide_size = 1
-let g:indent_guides_start_level = 2
-
-" Enable autocompletion
-let g:deoplete#enable_at_startup = 1
-set completeopt-=preview
-
-" Ale no preview on hover
-let g:ale_close_preview_on_insert = 0
-let g:ale_cursor_detail = 0
-
-" Ale skip if file size over 2G
-let g:ale_maximum_file_size = "2147483648"
-
-" Ale to loclist and quickfix
-let g:ale_set_quickfix = 1
-" let g:ale_set_loclist = 1
-
-
-" Ale language server
-let g:ale_linters = {
-            \ 'python': ['pyls'],
-            \ 'c': ['cquery'],
-            \ 'cpp': ['cquery'],
-            \ 'xml': ['xmllint']
-            \ }
-
-
-" ALE fixers
-let g:ale_fixers = { '*': ['remove_trailing_lines', 'trim_whitespace'] }
-let g:ale_fixers.python = ['black']
-let g:ale_fixers.go = ['gofmt']
-let g:ale_fixers.c = ['clang-format']
-let g:ale_fixers.cpp = ['clang-format']
-let g:ale_fixers.json = ['jq']
-let g:ale_fixers.xml = ['xmllint']
-
-let g:ale_completion_enabled = 1
-let g:ale_sign_error = '⤫'
-let g:ale_sign_warning = '⚠'
-let g:ale_lint_on_insert_leave = 1
-
-" Vim-Go Settings
-let g:go_auto_sameids = 1
-let g:go_fmt_command = "goimports"
-let g:go_auto_type_info = 1
-
-" Disable syntastic for langserver supported languages
-let g:syntastic_mode_map = {
-            \ "mode": "active",
-            \ "passive_filetypes": ["go", "python", "c", "cpp", "xml" ]
-            \ }
-let g:syntastic_always_populate_loc_list = 1
-let g:syntastic_auto_loc_list = 2
-let g:syntastic_aggregate_errors = 1
-let g:syntastic_check_on_open = 1
-let g:syntastic_check_on_wq = 0
-let g:syntastic_error_symbol='✗'
-let g:syntastic_warning_symbol='⚠'
-let g:syntastic_style_error_symbol = '✗'
-let g:syntastic_style_warning_symbol = '⚠'
-
-"*****************************************************************************
-"" Shortcuts overview
-"*****************************************************************************
-" Shortcuts overview
-" F1  --> Filetree find
-" F2  --> Filetree toggle
-" F3  --> Function overview
-" F4  --> Toggle error bar
-
-" F5  --> Remove trailing whitespaces
-" F6  --> Reindent whole file
-" F7  --> Format and lint file
-" ,i  --> Information about function
-" ,d  --> Jump to definition
-" ,r  --> Rename in all occurences
-" ,rf --> Find references of function/variable
-" ,e  --> Change current file
-" ,te --> Open file in new tab
-" strg+f --> Find current selected word
-" strg+d --> Replace current selected word
-" strg+s --> Save file
-" strg+q --> Close current file
-" space+, --> Stop highlighting words after search
-
diff --git a/mb/2configs/nvim.nix b/mb/2configs/nvim.nix
deleted file mode 100644
index a8e4173e2..000000000
--- a/mb/2configs/nvim.nix
+++ /dev/null
@@ -1,70 +0,0 @@
-{ pkgs, config, ... }: let
-  #unstable = import <nixos-unstable> { };
-in
-
-{
-  environment.variables = {
-    EDITOR = ["nvim"];
-  };
-
-  nixpkgs.config.packageOverrides = pkgs: with pkgs;{
-    neovim_custom = neovim.override {
-      configure = {
-        customRC = builtins.readFile ./neovimrc;
-
-        packages.myVimPackage = with pkgs.vimPlugins;
-        {
-          # loaded on launch
-          start = [
-            nerdtree # file manager
-            commentary # comment stuff out based on language
-            fugitive # full git integration
-            vim-airline-themes # lean & mean status/tabline
-            vim-airline # status bar
-            gitgutter # git diff in the gutter (sign column)
-            vim-trailing-whitespace # trailing whitspaces in red
-            tagbar # F3 function overview
-            syntastic # Fallback to singlethreaded but huge syntax support
-            ReplaceWithRegister # For better copying/replacing
-            polyglot # Language pack
-            vim-indent-guides # for displaying indent levels
-            ale # threaded language client
-            vim-go # go linting
-            deoplete-go # go autocompletion completion
-            deoplete-nvim # general autocompletion
-            molokai # color scheme
-          ];
-
-          # manually loadable by calling `:packadd $plugin-name`
-          opt = [];
-        };
-      };
-    };
-  };
-
-  environment.systemPackages = with pkgs; [
-    ctags
-    neovim_custom
-    jq # For fixing json files
-    xxd # .bin files will be displayed with xxd
-    shellcheck # Shell linting
-    ansible-lint # Ansible linting
-    unzip # To vim into unzipped files
-    nodePackages.jsonlint # json linting
-    #python36Packages.python-language-server # python linting
-    #python36Packages.pyls-mypy # Python static type checker
-    #python36Packages.black # Python code formatter
-    #python37Packages.yamllint # For linting yaml files
-    #python37Packages.libxml2 # For fixing yaml files
-    cquery # C/C++ support
-    clang-tools # C++ fixer
-  ];
-
-  fonts = {
-    fonts = with pkgs; [
-      font-awesome_5
-    ];
-  };
-
-}
-
diff --git a/mb/2configs/qemu-guest.nix b/mb/2configs/qemu-guest.nix
deleted file mode 100644
index 315d04093..000000000
--- a/mb/2configs/qemu-guest.nix
+++ /dev/null
@@ -1,19 +0,0 @@
-# Common configuration for virtual machines running under QEMU (using
-# virtio).
-
-{ ... }:
-
-{
-  boot.initrd.availableKernelModules = [ "virtio_net" "virtio_pci" "virtio_mmio" "virtio_blk" "virtio_scsi" "9p" "9pnet_virtio" ];
-  boot.initrd.kernelModules = [ "virtio_ballo