Celeb Glow
news | April 03, 2026

Help installing resilio-sync

I have a 64-bit desktop PC running Ubuntu 16.04. I decided that I wanted to discontinue relying on cloud drives and start using a torrent sync among multiple local hard drives. This way, I won't have to pay an annual premium for a sizable capacity for my music and photos. Previously, this was bittorrent sync or btsync, but it seems to be now called resilio-sync. So, I followed the following instructions located here: .

I followed the section for Ubuntu. I copied and pasted the selection box with the following commands,

echo "deb resilio-sync non-free" | sudo tee /etc/apt/sources.list.d/resilio-sync.list
wget -qO - | sudo apt-key add -
sudo dpkg --add-architecture armhf
sudo apt-get update

I then did

sudo nano /etc/apt/sources.list and added the following at the bottom of the file:

deb [arch=armhf] resilio-sync non-free

NOTE: This is where my problem is. Whenever I sudo apt-get update I get:

Err:31 xenial-security/main armhf Packages
404 Not Found [IP: 2001:67c:1562::16 80]
Err:15 xenial/main armhf Packages
404 Not Found [IP: 2001:67c:1562::19 80]
Err:22 xenial-updates/main armhf Packages
404 Not Found [IP: 2001:67c:1562::19 80]
Err:48 xenial-backports/main armhf Packages
404 Not Found [IP: 2001:67c:1562::19 80]
E: Failed to fetch
404 Not Found [IP: 2001:67c:1562::19 80]
E: Failed to fetch
404 Not Found [IP: 2001:67c:1562::19 80]
E: Failed to fetch
404 Not Found [IP: 2001:67c:1562::16 80]
E: Failed to fetch
404 Not Found [IP: 2001:67c:1562::19 80]
E: Some index files failed to download. They have been ignored, or old ones used instead.

It seems I can indeed install resilio-sync with,

sudo apt-get install resilio-sync

However, I don't think the armhf architecture installed correctly because it reflects that in the apt-get update results. I tried verifying with dpkg --print-architecture and it returns amd64. I assume since the update fails, the armhf is unable to fully install.

3

1 Answer

Which CPU do you have? If it is either an Intel or AMD (which is most likely the case) the architecture you added (ARM) is wrong. Try the following:

sudo dpkg --remove-architecture armhf
sudo nano /etc/apt/sources.list

Then replacing [arch=armhf] with deb and save the file Lastly, run the update and install again:

sudo apt-get update && sudo apt-get install resilio-sync

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