+ - gcc (pycrypto)
+ - libpcap-devel (pypcap)
+
+``` bash
+# on fedora26
+yum install -y python-virtualenv python-pip python python-devel libpcap-devel gcc
+
+# if you have the following error during pycrypto
+# gcc: error: /usr/lib/rpm/redhat/redhat-hardened-cc1 No such file or directory
+yum install -y redhat-rpm-config
+```