Ubuntu keymapping on a mac (German Layout) wit karabiner

karabiner_ubuntu_de.json

{
  "title": "Ubuntu style keymapping (german keyboard)",
  "rules": [
    {
      "description": "Disable rules when right option is pressed",
      "manipulators": [
        {
          "type": "basic",
          "from": {
            "key_code": "right_option",
            "modifiers": {
              "optional": ["any"]
            }
          },
          "to": [
            {
              "set_variable": {
                "name": "rules_enabled",
                "value": 0
              }
            }
          ],
          "to_after_key_up": [
            {
              "set_variable": {
                "name": "rules_enabled",
                "value": 1
              }
            }
          ]
        }
      ]
    },
    {
      "description": "PC-Style German Alt Gr (Backslash, @, pipe, tilde, brackets)",
      "manipulators": [
        {
          "from": {
            "key_code": "hyphen",
            "modifiers": {
              "mandatory": ["right_command"],
              "optional": ["any"]
            }
          },
          "to": [
            {
              "key_code": "7",
              "modifiers": ["shift", "left_option"]
            }
          ],
          "type": "basic",
          "conditions": [ { "type": "variable_if", "name": "rules_enabled", "value": 1 } ]
        },
        {
          "from": {
            "key_code": "q",
            "modifiers": {
              "mandatory": ["right_command"],
              "optional": ["any"]
            }
          },
          "to": [
            {
              "key_code": "l",
              "modifiers": ["left_option"]
            }
          ],
          "type": "basic",
          "conditions": [ { "type": "variable_if", "name": "rules_enabled", "value": 1 } ]
        },
        {
          "from": {
            "key_code": "grave_accent_and_tilde",
            "modifiers": {
              "mandatory": ["right_command"],
              "optional": ["any"]
            }
          },
          "to": [
            {
              "key_code": "7",
              "modifiers": ["left_option"]
            }
          ],
          "type": "basic",
          "conditions": [ { "type": "variable_if", "name": "rules_enabled", "value": 1 } ]
        },
        {
          "from": {
            "key_code": "close_bracket",
            "modifiers": {
              "mandatory": ["right_command"],
              "optional": ["any"]
            }
          },
          "to": [
            {
              "key_code": "n",
              "modifiers": ["left_option"]
            }
          ],
          "type": "basic",
          "conditions": [ { "type": "variable_if", "name": "rules_enabled", "value": 1 } ]
        },
        {
          "from": {
            "key_code": "7",
            "modifiers": {
              "mandatory": ["right_command"],
              "optional": ["any"]
            }
          },
          "to": [
            {
              "key_code": "8",
              "modifiers": ["right_option"]
            }
          ],
          "type": "basic",
          "conditions": [ { "type": "variable_if", "name": "rules_enabled", "value": 1 } ]
        },
        {
          "from": {
            "key_code": "0",
            "modifiers": {
              "mandatory": ["right_command"],
              "optional": ["any"]
            }
          },
          "to": [
            {
              "key_code": "9",
              "modifiers": ["right_option"]
            }
          ],
          "type": "basic",
          "conditions": [ { "type": "variable_if", "name": "rules_enabled", "value": 1 } ]
        },
        {
          "from": {
            "key_code": "8",
            "modifiers": {
              "mandatory": ["right_command"],
              "optional": ["any"]
            }
          },
          "to": [
            {
              "key_code": "5",
              "modifiers": ["right_option"]
            }
          ],
          "type": "basic",
          "conditions": [ { "type": "variable_if", "name": "rules_enabled", "value": 1 } ]
        },
        {
          "from": {
            "key_code": "9",
            "modifiers": {
              "mandatory": ["right_command"],
              "optional": ["any"]
            }
          },
          "to": [
            {
              "key_code": "6",
              "modifiers": ["right_option"]
            }
          ],
          "type": "basic",
          "conditions": [ { "type": "variable_if", "name": "rules_enabled", "value": 1 } ]
        }
      ]
    },
    {
      "description": "Map PrintScreen key to Screenshot Selection and Screen Lock",
      "manipulators": [
        {
          "type": "basic",
          "from": { "key_code": "3", "modifiers": { "mandatory": ["left_command", "left_shift"] } },
          "to": [ { "key_code": "4", "modifiers": ["left_command", "left_shift"] } ],
          "conditions": [ { "type": "variable_if", "name": "rules_enabled", "value": 1 } ]
        },
        {
          "type": "basic",
          "from": { "key_code": "l", "modifiers": { "mandatory": ["control", "option"] } },
          "to": [ { "key_code": "q", "modifiers": ["left_control", "left_command"] } ],
          "conditions": [ { "type": "variable_if", "name": "rules_enabled", "value": 1 } ]
        }
      ]
    },
    {
      "description": "Map go to reference for vscode",
      "manipulators": [
        {
          "type": "basic",
          "from": { "key_code": "left_control" },
          "to": [{ "key_code": "left_control" }],
          "to_if_held_down": [{ "key_code": "left_command" }],
          "conditions": [ 
            { "type": "variable_if", "name": "rules_enabled", "value": 1 },
            {
              "type": "frontmost_application_if",
              "bundle_identifiers": [
                "^com\\.microsoft\\.VSCode$"
              ]
            }
          ]
        }
      ]
    },
    {
      "description": "Linux-style cursor movement with Ctrl",
      "manipulators": [
        {
          "type": "basic",
          "from": { "key_code": "left_arrow", "modifiers": { "mandatory": ["control"] } },
          "to": [ { "key_code": "left_arrow", "modifiers": ["option"] } ],
          "conditions": [ { "type": "variable_if", "name": "rules_enabled", "value": 1 } ]
        },
        {
          "type": "basic",
          "from": { "key_code": "right_arrow", "modifiers": { "mandatory": ["control"] } },
          "to": [ { "key_code": "right_arrow", "modifiers": ["option"] } ],
          "conditions": [ { "type": "variable_if", "name": "rules_enabled", "value": 1 } ]
        },
        {
          "type": "basic",
          "from": { "key_code": "up_arrow", "modifiers": { "mandatory": ["control"] } },
          "to": [ { "key_code": "page_up" } ],
          "conditions": [ { "type": "variable_if", "name": "rules_enabled", "value": 1 } ]
        },
        {
          "type": "basic",
          "from": { "key_code": "down_arrow", "modifiers": { "mandatory": ["control"] } },
          "to": [ { "key_code": "page_down" } ],
          "conditions": [ { "type": "variable_if", "name": "rules_enabled", "value": 1 } ]
        },
        {
          "type": "basic",
          "from": { "key_code": "delete_or_backspace", "modifiers": { "mandatory": ["control"] } },
          "to": [ { "key_code": "delete_or_backspace", "modifiers": ["option"] } ],
          "conditions": [ { "type": "variable_if", "name": "rules_enabled", "value": 1 } ]
        },
        {
          "type": "basic",
          "from": { "key_code": "delete_forward", "modifiers": { "mandatory": ["control"] } },
          "to": [ { "key_code": "delete_forward", "modifiers": ["option"] } ],
          "conditions": [ { "type": "variable_if", "name": "rules_enabled", "value": 1 } ]
        }
      ]
    },
    {
      "description": "Linux-style editing: Ctrl+C/V/X/Z/S/A/F/Z/S",
      "manipulators": [
        {
          "type": "basic",
          "from": { "key_code": "c", "modifiers": { "mandatory": ["left_control"] } },
          "to": [ { "key_code": "c", "modifiers": ["command"] } ],
          "conditions": [ { "type": "variable_if", "name": "rules_enabled", "value": 1 } ]
        },
        {
          "type": "basic",
          "from": { "key_code": "v", "modifiers": { "mandatory": ["left_control"] } },
          "to": [ { "key_code": "v", "modifiers": ["command"] } ],
          "conditions": [ { "type": "variable_if", "name": "rules_enabled", "value": 1 } ]
        },
        {
          "type": "basic",
          "from": { "key_code": "x", "modifiers": { "mandatory": ["left_control"] } },
          "to": [ { "key_code": "x", "modifiers": ["command"] } ],
          "conditions": [ { "type": "variable_if", "name": "rules_enabled", "value": 1 } ]
        },
        {
          "type": "basic",
          "from": { "key_code": "z", "modifiers": { "mandatory": ["left_control"] } },
          "to": [ { "key_code": "z", "modifiers": ["command"] } ],
          "conditions": [ { "type": "variable_if", "name": "rules_enabled", "value": 1 } ]
        },
        {
          "type": "basic",
          "from": { "key_code": "s", "modifiers": { "mandatory": ["left_control"] } },
          "to": [ { "key_code": "s", "modifiers": ["command"] } ],
          "conditions": [ { "type": "variable_if", "name": "rules_enabled", "value": 1 } ]
        },
        {
          "type": "basic",
          "from": { "key_code": "a", "modifiers": { "mandatory": ["left_control"] } },
          "to": [ { "key_code": "a", "modifiers": ["command"] } ],
          "conditions": [ { "type": "variable_if", "name": "rules_enabled", "value": 1 } ]
        },
        {
          "type": "basic",
          "from": { "key_code": "f", "modifiers": { "mandatory": ["left_control"] } },
          "to": [ { "key_code": "f", "modifiers": ["command"] } ],
          "conditions": [ { "type": "variable_if", "name": "rules_enabled", "value": 1 } ]
        },
        {
          "type": "basic",
          "from": { "key_code": "s", "modifiers": { "mandatory": ["left_control"] } },
          "to": [ { "key_code": "s", "modifiers": ["command"] } ],
          "conditions": [ { "type": "variable_if", "name": "rules_enabled", "value": 1 } ]
        },
        {
          "type": "basic",
          "from": { "key_code": "y", "modifiers": { "mandatory": ["left_control", "shift"] } },
          "to": [ { "key_code": "y", "modifiers": ["command", "shift"] } ],
          "conditions": [ { "type": "variable_if", "name": "rules_enabled", "value": 1 } ]
        },
        {
          "type": "basic",
          "from": { "key_code": "y", "modifiers": { "mandatory": ["left_control"] } },
          "to": [ { "key_code": "y", "modifiers": ["command"] } ],
          "conditions": [ { "type": "variable_if", "name": "rules_enabled", "value": 1 } ]
        }
      ]
    }
  ]
}