Create 90 SFTP Only Users With a Single Command

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Information Technology

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Published on October 13, 2022 11:43:49 PM ● Video Link: https://www.youtube.com/watch?v=29L4m15kMQY

Duration: 8:58

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This video builds off of https://youtu.be/4TceWF0IRQI

We will create 90 test users so that learners can log in and upload/download files... I may may one more in this series.

Added the users
Prepopulated home directory with the .ssh information
Setup unique keys for every account
tested logging in with my primary key and an accounts newly created key

Sorry about having to remove Angled Brackets

[root@ip-172-31-81-162 ~]# for a in {10..100}; do useradd -g sftponly -s /bin/false -m -d /home/sftpuser${a} sftpuser${a}; cp -pr /home/mysftpuser/.ssh /home/sftpuser${a}/.; chown sftpuser${a}:sftponly /home/sftpuser${a}/.ssh/authorized_keys; sudo chown root: /home/sftpuser${a}; sudo chmod 755 /home/sftpuser${a}
ssh-keygen -q -t rsa -N '' -f /home/sftpuser${a}/.ssh/id_rsa ***REMOVED***y; cat /home/sftpuser${a}/.ssh/id_rsa.pub ***REMOVED*** /home/sftpuser${a}/.ssh/authorized_keys; done^C
[root@ip-172-31-81-162 ~]# history

50 exit
51 clear
52 exit
53 clear
54 for a in {10..100}; do useradd -g sftponly -s /bin/false -m -d /home/sftpuser${a} sftpuser${a}; cp -pr /home/mysftpuser/.ssh /home/sftpuser${a}/.; chown sftpuser${a}:sftponly /home/sftpuser${a}/.ssh/authorized_keys; sudo chown root: /home/sftpuser${a}; sudo chmod 755 /home/sftpuser${a}
ssh-keygen -q -t rsa -N '' -f /home/sftpuser${a}/.ssh/id_rsa ***REMOVED***y; cat /home/sftpuser${a}/.ssh/id_rsa.pub ***REMOVED*** /home/sftpuser${a}/.ssh/authorized_keys; done
55 ssh -i /home/sftpuser10/.ssh/id_rsa sftpuser10@localhost
56 sftp -i /home/sftpuser10/.ssh/id_rsa sftpuser10@localhost
57 history