系统自带的python3为3.5.2版本,想装3.5.1版本,所以手动删除了python3.5.2,重启后发现桌面能进入,但是鼠标变成了一个大叉,且任务栏、上方的状态栏都不见了,右键也没了terminal命令终端选项。
出现该问题后,解决办法:
1.ctrl alt F1进入终端界面
2.把软件源改回ubuntu原生源(我之前改成了阿里源和清华源,导致进行下述操作时经常有依赖问题,改回原生源后问题未在出现,可以使用ssh工具或者scp的方法把源拷贝进去)
# deb cdrom:[Ubuntu 16.04.3 LTS _Xenial Xerus_ - Release amd64 (20170801)]/ xenial main restricted
# See http://help.ubuntu.com/community/UpgradeNotes for how to upgrade to
# newer versions of the distribution.
deb http://cn.archive.ubuntu.com/ubuntu/ xenial main restricted
# deb-src http://us.archive.ubuntu.com/ubuntu/ xenial main restricted
## Major bug fix updates produced after the final release of the
## distribution.
deb http://cn.archive.ubuntu.com/ubuntu/ xenial-updates main restricted
# deb-src http://us.archive.ubuntu.com/ubuntu/ xenial-updates main restricted
## N.B. software from this repository is ENTIRELY UNSUPPORTED by the Ubuntu
## team. Also, please note that software in universe WILL NOT receive a

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