diff --git a/support/doc/dependencies.md b/support/doc/dependencies.md
index 35812aa8b..94fabe11c 100644
--- a/support/doc/dependencies.md
+++ b/support/doc/dependencies.md
@@ -31,6 +31,11 @@ $ sudo apt-get update
 $ sudo apt install ffmpeg
 ```
 
+Now that dependencies are installed, before running PeerTube you should start PostgreSQL and Redis:
+```
+$ sudo systemctl start redis postgresql
+```
+
 ## Arch Linux
 
   1. Run:
@@ -39,6 +44,11 @@ $ sudo apt install ffmpeg
 $ sudo pacman -S nodejs yarn ffmpeg postgresql openssl redis git wget unzip python2 base-devel npm nginx
 ```
 
+Now that dependencies are installed, before running PeerTube you should start PostgreSQL and Redis:
+```
+$ sudo systemctl start redis postgresql
+```
+
 ## CentOS 7
 
   1. Install NodeJS 8.x (current LTS):
@@ -68,6 +78,12 @@ Later when you invoke any node command, please prefix them with `CC=/opt/rh/devt
 $ sudo -H -u peertube CC=/opt/rh/devtoolset-7/root/usr/bin/gcc CXX=/opt/rh/devtoolset-7/root/usr/bin/g++ yarn install --production --pure-lockfile
 ```
 
+Now that dependencies are installed, before running PeerTube you should start PostgreSQL and Redis:
+```
+$ sudo service redis start
+$ sudo service postgresql start
+```
+
 ## FreeBSD
 
 On a fresh install of [FreeBSD](https://www.freebsd.org), new system or new jail: