ubuntu修改键盘映射

code {margin: 0;padding: 0;font-size: 100%;word-break: normal;background: transparent;border: 0;}ol {list-style-type: decimal;}ol ol, ul ol {list-style-type: lower-latin;}ol ol ol, ul ol ol, ul ul ol, ol ul ol {list-style-type: lower-roman;}table {border-spacing: 0;border-collapse: collapse;margin-top: 0;margin-bottom: 16px;}table th {font-weight: bold;}table th, table td {padding: 6px 13px;border: 1px solid #ddd;}table tr {border-top: 1px solid #ccc;}table tr:nth-child(even) {background-color: #f8f8f8;}input[type="checkbox"] {cursor: default;margin-right: 0.5em;font-size: 13px;}.task-list-item {list-style-type: none;}.task-list-item+.task-list-item {margin-top: 3px;}.task-list-item input {float: left;margin: 0.3em 1em 0.25em -1.6em;vertical-align: middle;}#tag-field {margin: 8px 2px 10px;}#tag-field .tag {display: inline-block;background: #cadff3;border-radius: 4px;padding: 1px 8px;color: black;font-size: 12px;margin-right: 10px;line-height: 1.4;}
-->

.ace_line {padding-left: 2.6em;}.ace_static_highlight .ace_line {position: relative;}.ace_static_highlight .ace_gutter-cell {-moz-user-select: -moz-none;-khtml-user-select: none;-webkit-user-select: none;user-select: none;top: 0;bottom: 0;left: 0;position: absolute;}.ace_static_highlight .ace_gutter-cell:before {content: counter(ace_line, decimal);counter-increment: ace_line;}.ace_static_highlight {counter-reset: ace_line;}
-->
span {font-weight: normal !important;}.ace-github .ace_marker-layer .ace_step {background: rgb(252, 255, 0);}.ace-github .ace_marker-layer .ace_stack {background: rgb(164, 229, 101);}.ace-github .ace_marker-layer .ace_bracket {margin: -1px 0 0 -1px;border: 1px solid rgb(192, 192, 192);}.ace-github .ace_gutter-active-line {background-color : rgba(0, 0, 0, 0.07);}.ace-github .ace_marker-layer .ace_selected-word {background: rgb(250, 250, 255);border: 1px solid rgb(200, 200, 250);}.ace-github .ace_invisible {color: #BFBFBF}.ace-github .ace_print-margin {width: 1px;background: #e8e8e8;}.ace-github .ace_indent-guide {background: url("data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAACCAYAAACZgbYnAAAAE0lEQVQImWP4////f4bLly//BwAmVgd1/w11/gAAAABJRU5ErkJggg==") right repeat-y;}
-->

ubuntu修改键盘映射

在mac上用virtualbox 安装了ubuntu18.04 LTS。由于在mac上组合快捷键大多数用左Command而不是Ctrl，十分不适应。所以修改了ubuntu的键盘映射，交换左Ctrl和左Command键的功能。

环境

• VirtualBox 5.2.12
• ubuntu 18.04 LTS

操作步骤

1. 编辑配置文件

$ sudo vi /usr/share/X11/xkb/symbols/pc

1. 找到如下两条配置项

key <LCTL> { [ Control_L ] };

key <LWIN> { [ Super_L ] };

1. 修改为

key <LCTL> { [ Super_L ] };

key <LWIN> { [ Control_L ] };

1. 重启

sudo reboot now

参考
https://askubuntu.com/questions/131900/how-do-i-switch-the-command-key-and-control-key-on-a-macbook-pro