Set default user to ubuntu in bor.service

[cffls]

No description provided.

[codecov-commenter]

Codecov Report

Merging #396 (9838fef) into v0.3.0-dev (110ea65) will increase coverage by 0.00%.
The diff coverage is n/a.

@@             Coverage Diff             @@
##           v0.3.0-dev     #396   +/-   ##
===========================================
  Coverage       55.79%   55.80%           
===========================================
  Files             601      601           
  Lines           69535    69535           
===========================================
+ Hits            38800    38806    +6     
+ Misses          27377    27370    -7     
- Partials         3358     3359    +1     

Impacted Files	Coverage Δ
p2p/simulations/mocker.go	30.00% <0.00%> (-5.56%)	⬇️
les/distributor.go	75.78% <0.00%> (-3.13%)	⬇️
consensus/ethash/ethash.go	54.19% <0.00%> (-1.53%)	⬇️
core/rawdb/chain_iterator.go	57.14% <0.00%> (-1.25%)	⬇️
rpc/client.go	83.72% <0.00%> (-1.17%)	⬇️
les/costtracker.go	62.96% <0.00%> (-1.06%)	⬇️
core/tx_pool.go	70.67% <0.00%> (-0.82%)	⬇️
p2p/server.go	65.02% <0.00%> (-0.43%)	⬇️
les/downloader/downloader.go	75.05% <0.00%> (-0.43%)	⬇️
core/blockchain.go	62.88% <0.00%> (+0.09%)	⬆️
... and 12 more

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 110ea65...9838fef. Read the comment docs.