1、pre-requierments：1 * ubuntu OS VM ( eg. ubuntu 20.04 ) ，you get the external log pushing permissions (could find instructions in How to: Push Logs to Nexus - Akraino - Akraino Confluence)
2、Upload the logs to VM by ftp;
NOTE：
create .netrc，按格式写自己的LF登录用户名和密码
3、apt update -y
4、Install lftools use pip3
https://docs.releng.linuxfoundation.org/projects/lftools/en/latest/installation.html
NOTE: System may request to upgrade pyjwt >=2.4.0
Upgrade command: pip3 install --upgrade pyJWT
5、zip logs which you need to push
6、Use the command as shown in the figure to upload. The directory will be automatically generated.
