Ubuntu adds sftp account and restricted directory

Add sftp account and restricted directory

Step 1: Add sftp account:
useradd -m -d /data/www/www.xxx.com -s /sbin/nologin -g root user1

Step 2: Set account password: passwd
user1

Step 3: Modify /etc/passwd and set the user level just added to 0
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for example, user1:x:1001:0::/data/www/www.xxx.com:/sbin/nologin , change the 1001 in the front to 0, and then save.
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Step 4: Modify /etc/ssh/ sshd_config
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found Subsystem sftp /usr/lib/openssh Add # in front of /sftp-server, comment the line

and add the following:
Subsystem sftp internal-sftp
Match User user1
ChrootDirectory /data/www/www.xxx.com AllowTcpForwarding
no
X11Forwarding no
ForceCommand internal-sftp

users, repeat the following 3 lines
Match user user2
ForceCommand internal-sftp
ChrootDirectory /home/ftpdir


Find UsePAM yes Add # in front, comment this line
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Save after modification.

Step 5: Then restart the ssh service
service ssh restart