Interesting European IT events: VMUG CZ Meeting – Prague (Dec, 4) Black Hat Europe – London (Dec, 4-7) VeeamON Tour Virtual 2017 – Online (Dec, 5) Veeam Vanguard Virtual Conference – Online (Dec, 6) Paris OpenSource Summit – Paris (Dec, 6-7) Industry 4.0 – Borovets (Dec, 13-16) VMUG Virtual – Online (Dec, 13)