参考来源： //问题2
//问题3 问题2：安装好vim后打开vim出现错误信息 错误信息：The ycmd server SHUT DOWN (restart with...the instructions in the documentation 解决步骤：使用:YcmDebugInfo comes back with "Server errored, no debug info from server". cd ~/.vim/bundle/YouCompleteMe and ran python install.py // 提示ERROR: Unable to find executable 'cmake'. CMake is required to build ycmd sudo apt install cmake //以上命令让系统做了什么 /* Built target ycm_core -- The C compiler identification is GNU 7.3.0 -- Check for working C compiler: /usr/bin/cc -- Check for working C compiler: /usr/bin/cc -- works- Detecting C compiler ABI info -- Detecting C compiler ABI info - done -- Detecting C compile features -- Detecting C compile features - done -- Found PythonLibs: /usr/lib/python3.6/config-3.6m-x86_64-linux-gnu/libpython3.6.so (found version "3.6.6") -- Configuring done -- Generating done -- Build files have been written to: /tmp/regex_build_82orenjb
问题3：markdown实时显示出现问题
vim必须继承ruby解释器（源码安装编辑器vim）， sudo gem intall pygments.rb // 安装pygments.rb依赖库 提示 gem:command not found sudo apt-get install ruby // 安装ruby，以便执行gem命令 sudo gem install redcarpet // 安装redcarpet依赖库 提示 ERROR: Error installing redcarpet: ERROR: Failed to build gem native extension. current directory: /var/lib/gems/2.5.0/gems/redcarpet-3.4.0/ext/redcarpet /usr/bin/ruby2.5 -r ./siteconf20181111-16728-1ylk41o.rb extconf.rb mkmf.rb can't find header files for ruby at /usr/lib/ruby/include/ruby.h extconf failed, exit code 1sudo gem update --system // 解决安装redcarpet依赖库出现错误的问题 gem install redcarpet --platform=ruby --verbose mkmf.rb can't find header files for ruby at /usr/lib/ruby/include/ruby.h ERROR: Error installing redcarpet: ERROR: Failed to build gem native extension. Building has failed. See above output for more information on the failure. extconf failed, exit code sudo apt-get install ruby-dev