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About udif

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  1. I wanted to share a method I usccessfully used to run Resilio sync without any modifications on my Linksys OpenWRT1900ACS running OpenWRT (with a USB3 attached disk). Since OpenWRT uses different libraries than what resilio sync usually requires, my solution was to create a chroot environment on the external USB disk attached to the router. I had to use a different armhf system already running debian (in my case it was a pcduino3nano board running armbian). debootstrap --arch armhf jessie /mnt/disk1/armbian http://httpredir.debian.org/debian tar cpjf /mnr/disk1/armbian-rootfs.tar.bz2 -C /mnt/disk1/armbian . I then copied this tree using tar and SSH into my LInksys router (to the USB3 disk). scp /mnt/disk1/armbian-rootfs.tar.bz root@linksys:/mnt/sda1 I then SSH'ed into the linksys, extracted the tree and shelled into the chroot'ed environment. ssh linksys -l root ... cd /mnt/sda1/armbian # we need a /proc filesystem, use the existing one mkdir /proc mount --bind -t proc /proc /mnt/disk1/armbian/proc # This is necessary because the chroot expects /bin/ash to be found ln -s /bin/bash bin/ash # extract the tree bzcat /mnt/sda1/armbian-rootfs.tar.bz | tar xvf - # start it chroot /mnt/sda1/armbian You can now install Resilio sync as explained here: https://help.resilio.com/hc/en-us/articles/206178924-Installing-Sync-package-on-Linux I also added a firewall rule in the OpenWRT GUI to enable port 8888 access from my LAN, not sure this is 100% necessary. The method above works but you should be aware of 2 drawbacks: The chroot'ed environment takes about 250MB before trimming You cannot normally access any storage area outside your chroot. In my case I didn't care about either of these, but you may try trimming the chroot environment by removing some of the default packages installed by the debian debootstrap script. You can also overcome the disk access limit by using a bind mount (before running chroot) mount --bind /mnt/disk1/storage /mnt/disk1/armbian/storage I hope other people find this useful!