```
$ cd /var/www/peertube && \
- sudo rm ./peertube-latest && \
+ sudo unlink ./peertube-latest && \
sudo -u peertube ln -s versions/peertube-${VERSION} ./peertube-latest
```
```
$ OLD_VERSION="v0.42.42" && SQL_BACKUP_PATH="backup/sql-peertube_prod-2018-01-19T10:18+01:00.bak" && \
- cd /var/www/peertube && rm ./peertube-latest && \
+ cd /var/www/peertube && unlink ./peertube-latest && \
sudo -u peertube ln -s "versions/peertube-$OLD_VERSION" peertube-latest && \
pg_restore -U peertube -W -h localhost -c -d peertube_prod "$SQL_BACKUP_PATH"
sudo systemctl restart peertube