It's not a bug. your command is wrong. this page may help you: https://stackoverflow.com/questions/82256/how- do-i-use-sudo-to-redirect-output-to-a-location-i-dont-have-permission- to-wr ** Changed in: openstack-i18n Status: New => Invalid -- You received this bug notification because you are a member of OpenStack I18n Core Team, which is subscribed to openstack i18n. https://bugs.launchpad.net/bugs/1761616 Title: 安装和配置 in Installation Guide Status in openstack i18n: Invalid Bug description: on Ubuntu 16.04 LTS $sudo echo "manual" > /etc/init/keystone.override -bash: /etc/init/keystone.override: Permission denied This bug tracker is for errors with the documentation, use the following as a template and remove or add fields as you see fit. Convert [ ] into [x] to check boxes: - [ ] This doc is inaccurate in this way: ______ - [ ] This is a doc addition request. - [ ] I have a fix to the document that I can paste below including example: input and output. If you have a troubleshooting or support issue, use the following resources: - Ask OpenStack: http://ask.openstack.org - The mailing list: http://lists.openstack.org - IRC: 'openstack' channel on Freenode ----------------------------------- Release: 0.1 on 2017-06-12 11:15 SHA: 1865f28305fdb1eb6b5e1a434ac7e292c3421513 Source: http://git.openstack.org/cgit/openstack/openstack-manuals/tree/doc/install-g... URL: https://docs.openstack.org/mitaka/zh_CN/install-guide-ubuntu/keystone-instal... To manage notifications about this bug go to: https://bugs.launchpad.net/openstack-i18n/+bug/1761616/+subscriptions