Manual Uninstallation of Backup Client for Linux
You can uninstall Acronis Backup Client by starting the installation package and selecting Install Backup Client and then Remove or by running /usr/lib/Acronis/BackupAndRecovery/uninstall/uninstall. Should this way not work, you can uninstall Backup Client manually for Linux.
Follow these steps to completely delete Backup Client from your system:
1. Remove all modules from dkms:
# dkms status
snapapi26, 0.7.46, 2.6.9-1.667, i686: installed
# dkms remove -m snapapi26 -v 0.7.46 –all
2. Remove all Acronis RPMs (ignore all messages about the non-presence of packages):
# su
# rpm -v –rebuilddb –define=”_rpmlock_path /var/lock/rpm”
# rpm -e –allmatches –nodeps AcronisAgentLinux
# rpm -e –allmatches –nodeps BackupAndRecoveryAgent
# rpm -e –allmatches –nodeps snapapi26_modules
# rpm -e –allmatches –nodeps snapapi_modules
# rpm -e –allmatches –nodeps dkms
3. Remove all files and folders related to Acronis software:
# rm -Rf /etc/Acronis
# rm -Rf /var/lib/Acronis
# rm -Rf /usr/lib/Acronis
# rm -Rf ~/.Acronis
# rm -Rf /usr/src/snapapi*
You can refer this Guide to Linux Server Backup Using Rclone and Object Storage if you are interested.