How to solve dpkg: error processing install-info

正在设置 install-info (5.2.0.dfsg.1-2) ...
/etc/environment: line 2: CLASS_PATH: command not found
dpkg: error processing package install-info (--configure):
 子进程 已安装 post-installation 脚本 返回了错误号 127
E: Sub-process /usr/bin/dpkg returned an error code (1)

Solution:

1. Rename the info folder: mv /var/lib/dpkg/info/ /var/lib/dpkg/info_old/

2. Create a new one info folder : mkdir /var/lib/dpkg/info/

3.apt-get update: apt-get update

4. Reinstall : apt-get -f install

5. After performing the previous step, some files will be generated in the new info folder. Now move all these files to the info_old folder: mv /var/lib/dpkg/info /* /var/lib/dpkg/info_old/

6. Delete your newly created info folder: rm -rf /var/lib/dpkg/info

7. Change the info_old folder back to info : mv /var/lib/dpkg/info_old/ /var/lib/dpkg/info/

8. Reinstall the software that needs to be installed

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