Backup and Restore using Duplicati - Linux

Download and Install Duplicati

  • Login to your CenOS instance and check the version of OS.
  • The commands given on this page work with CentOS Version 7.
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  • Change to super user using the command:
    sudo su
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  • Now install Mono on your Centos server using the following commands:
    yum install yum-utils
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  • rpm --import http://keyserver.ubuntu.com/pks/lookup?op=get&search=0x3FA7E0328081BFF6A14DA29AA6A19B38D3D831EF
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  • yum-config-manager --add-repo http://download.mono-project.com/repo/centos7/
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  • yum install mono-devel
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  • Now install Duplicati using the following commands:
    yum install epel-release
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  • yum install libappindicator
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  • curl -O https://updates.duplicati.com/beta/duplicati-2.0.5.1-2.0.5.1_beta_20200118.noarch.rpm

  • yum install duplicati*

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Important Note

  • Now run Duplicati as a service.

  • Edit the duplicati.service file using the command:
    vi /etc/systemd/system/duplicati.service

  • Once the file is open, insert the following into it and save the file:

[Unit]
Description=Duplicati Backup software

[Service]
ExecStart=/usr/bin/mono /usr/lib/duplicati/Duplicati.Server.exe --webservice-interface=any --webservice-sslcertificatefile=/home/centos/ssl/my.pfx --webservice-sslcertificatepassword=admin@123
Restart=on-failure
RestartSec=30

[Install]
WantedBy=multi-user.target

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Add Self-Signed SSL Certificate

  • Create a .pem file using the command:
    openssl req -x509 -newkey rsa:4096 -keyout key.pem -out cert.pem -days 365
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  • Convert the .pem file into .pfx format using the command:
    openssl pkcs12 -export -out cert.pfx -inkey key.pem -in cert.pem
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  • Make the following changes in the duplicati.service file.
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  • Now, enable the Duplicati Service using the command:
    systemctl enable duplicati

  • To check the status of the Duplicati service, use the command:
    systemctl status duplicati

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Access Duplicati

  • If the status shows “active”, go to the following link to access the Duplicati UI Page: http://localhost:8200

  • You will taken directly to the Settings to create a new password.

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  • Check the password checkbox and set a new password.
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  • Scroll down and click OK.
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  • You'll be logged out.
  • To login, enter the new password and you will be taken to the Home page.
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  • To open the firewall port for the Duplicati Web GUI, run the following commands:
    firewall-cmd --add-port=8200/tcp --permanent
    firewall-cmd --reload

What’s Next