1. Install a time synchronization service NTP server
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# apt -y install chrony # vi /etc/chrony/chrony.conf # Lines 20-23.：Comment the default settings and add the NTP server for your time zone. #pool ntp.ubuntu.com iburst maxsources 4 #pool 0.ubuntu.pool.ntp.org iburst maxsources 1 #pool 1.ubuntu.pool.ntp.org iburst maxsources 1 #pool 2.ubuntu.pool.ntp.org iburst maxsources 2 pool ntp.nict.jp iburst # Add to the last line (Range for which time synchronization is allowed) allow 192.168.11.0/24 |
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Settings reflect # systemctl restart chrony |
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# operation check # chronyc sources MS Name/IP address Stratum Poll Reach LastRx Last sample ========================================================= ^- ntp-b3.nict.go.jp 1 6 17 3 -79us[ -79us] +/- 5671us ^? ntp-a3.nict.go.jp 0 7 0 - +0ns[ +0ns] +/- 0ns ^? ntp-a2.nict.go.jp 0 7 0 - +0ns[ +0ns] +/- 0ns ^* ntp-k1.nict.jp 1 6 17 4 -229us[ -165us] +/- 3467us ^+ ntp-b2.nict.go.jp 1 6 17 4 +247us[ +311us] +/- 5348us |
2. Install FTP server vsftpd
①Install
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# apt install vsftpd |
②Allow PORT 21 at UFW
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# ufw allow ftp # ufw reload |
③Configuration File Changes
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# vi /etc/vsftpd.conf |
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Line 14. Listen=YES Line 22. Listen_ipv6=NO Line 25. # Do not allow anonymous users to log in anonymous_enable=NO Line 28. # Allow login by local user accounts local_enable=YES Line 31. # Allow use of FTP commands to make changes to files write_enable=YES Line 35. # Set permission values to be applied to new files local_umask=022 Line 99. # Allow uploads by ASCII ascii_upload_enable=YES Line 100. # Allow downloading by ASCII ascii_download_enable=YES Line 122. # Change the user's login directory to the user's root directory chroot_local_user=YES Line 123. # Users will not be able to access outside the login directory chroot_list_enable=YES Line 125. # Users listed in vsftpd.chroot_list are exempt from the above restrictions chroot_list_file=/etc/vsftpd.chroot_list Line 131. #Comments Unsubscribe( Enable batch transfer by directory) ls_recurse_enable=YES |
④ Creating vsftpd.chroot_list
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# vi /etc/vsftpd.chroot_list # Fill in only the user name (huong) in the new file and finish saving. huong |
⑤Restart vsftpd
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# systemctl restart vsftpd |
⑥Check with FTP client
In this case, FileZilla will be used.
Start FileZilla and change FileZilla settings first, menu "Edit" "Settings
"Connection" and "SFTP" in the left pane
Click "Add key File" in the right pane
Click "Add key File" in the right pane
Open "id_rsa.ppk" saved in Windows
Click "OK
In the "Password" field, enter the password you set when you created your SSH public key.
Return to the initial screen and select "Site Manager" from the "File" menu.
Click on "New site"
Protocol : SFTP-SSH File Transfer Protocol
Host : Server IP Address
Port : SSH port number
Logon Type : Ask for password
User : Logged-in user name
Click "Connect"
Password : Password for logged-in user
If the Windows directory appears on the left and the Ubuntu directory on the right, the connection is successful.
