重新安装LibreOffice-针对更新之后liberoffice无法使用
wget http://mirrors.ustc.edu.cn/tdf/libreoffice/stable/6.2.4/deb/x86_64/LibreOffice_6.2.4_Linux_x86-64_deb.tar.gz
sudo apt-get remove --purge libreoffice*
sudo apt-get autoremove
sudo apt-get clean
cd Downloads/
ls
tar -zxvf LibreOffice_6.2.4_Linux_x86-64_deb.tar.gz
cd LibreOffice_6.2.4.2_Linux_x86-64_deb/
sudo dpkg -i *.deb
cd DEBS/
sudo dpkg -i *.deb