如何在 Ubuntu 16.04 LTS 中启用网络唤醒（WOL）？
使用 Ubuntu Mate 16.04 的 X2GO 无法启动，并显示以下错误消息 ~/.xsession-x2go-errors
XSession-x2go: X session started for testuser at Fri Apr 26 22:30:23 EDT 2016
localuser:testuser being added to access control list
/etc/x2go/Xsession: 3: [: x: unexpected operator
mate-session[3684]: GLib-GIO-CRITICAL: g_settings_schema_source_lookup: assertion 'source != NULL' failed
mate-session[3684]: GLib-GIO-ERROR: No GSettings schemas are installed on the system
aborting...