LFCE 6 LFCE.5 Linux Service Management - Advanced HTTP Services Jul 16, 2020 LFCE.4 Linux Service Management - HTTP Services Jul 16, 2020 LFCE.3 Network and Host Security Jul 16, 2020 LFCE.2 Advanced Network and System Administration Jul 16, 2020 LFCE.1 Advanced Linux Networking Jul 16, 2020 Linux - CentOS Enterprise User and Group Management Jul 16, 2020