Answers:
FolderA首先需要成为groupA的一部分-文件夹的所有者或根用户可以执行此操作
chgrp groupA ./folderA
然后,groupA将需要该文件夹的rwx权限
chmod g+rwx ./folderA
chgrp和chmod命令中有一些选项可以根据需要递归到目录中。
chown :groupname ./folder
,但是没有用-改变了组,但没有提供任何有效的权限
我在这方面的经验。原始方法。在Ubuntu 18.04上测试。
允许在系统文件夹中写入
授予/etc/nginx/
文件夹写权限。
# Check 'webmasters' group doen't exist
cat /etc/group | grep webmasters
# Create 'webmasters' group
sudo addgroup webmasters
# Add users to 'webmasters' group
sudo usermod -a -G webmasters username
sudo usermod -a -G webmasters vozman
sudo usermod -a -G webmasters romanroskach
# Group assignment changes won't take effect
# until the users log out and back in.
# Create directory
sudo mkdir /etc/nginx/
# Check directory permissions
ls -al /etc | grep nginx
drwxr-xr-x 2 root root 4096 Dec 5 18:30 nginx
# Change group owner of the directory
sudo chgrp -R webmasters /etc/nginx/
# Check that the group owner is changed
ls -al /etc | grep nginx
drwxr-xr-x 2 root webmasters 4096 Dec 5 18:30 nginx
# Give write permission to the group
sudo chmod -R g+w /etc/nginx/
# Check
ls -al /etc | grep nginx
drwxrwxr-x 2 root webmasters 4096 Dec 5 18:30 nginx
# Try to create file
sudo -u username touch /etc/nginx/test.txt # should work
sudo -u username touch /etc/test.txt # Permission denied
授予/etc/systemd/system/
文件夹写权限。
# List ACLs
getfacl /etc/systemd/system
getfacl: Removing leading '/' from absolute path names
# file: etc/systemd/system
# owner: root
# group: root
user::rwx
group::r-x
other::r-x
# Add 'webmasters' group to an ACL
sudo setfacl -m g:webmasters:rwx /etc/systemd/system
# Check
getfacl /etc/systemd/system
getfacl: Removing leading '/' from absolute path names
# file: etc/systemd/system
# owner: root
# group: root
user::rwx
group::r-x
group:webmasters:rwx
mask::rwx
other::r-x
sudo -u username touch /etc/systemd/system/test.txt # should work
sudo -u username touch /etc/systemd/test.txt # Permission denied