docs: graphicsmagick installation on CentOS/RHEL

wncm · wncm · commit 499ebfd2c2eb · 2017-07-19T22:23:45.000+03:00
diff --git a/INSTALLATION.md b/INSTALLATION.md
@@ -9,6 +9,9 @@ $ sudo apt-get install graphicsmagick
 # Fedora
 $ sudo dnf install GraphicsMagick
 
+# CentOS / RHEL
+$ sudo yum install --enablerepo epel GraphicsMagick
+
 # OS X
 $ brew install graphicsmagick
 
