I want to install OpenVPN server in my VPS.After configuration I run sudo service openvpn start, but failed to start.Is there a some kind of grammar check option for server.conf?I put the config file in /etc/openvpn/server.conf, and I'm using CentOS 6.6.And this is a result of openvpn --version:openvpn --versionOpenVPN 2.3.7 x86_64-redhat-linux-gnu [SSL (OpenSSL)] [LZO] [EPOLL] [PKCS11] [MH] [IPv6] built on Jun  9 2015library versions: OpenSSL 1.0.1e-fips 11 Feb 2013, LZO 2.03Originally developed by James YonanCopyright (C) 2002-2010 OpenVPN Technologies, Inc. <sales@openvpn.net>Compile time defines: enable_crypto=yes enable_crypto_ofb_cfb=yes enable_debug=yes enable_def_auth=yes enable_dlopen=unknown enable_dlopen_self=unknown enable_dlopen_self_static=unknown enable_fast_install=yes enable_fragment=yes enable_http_proxy=yes enable_iproute2=yes enable_libtool_lock=yes enable_lzo=yes enable_lzo_stub=no enable_management=yes enable_multi=yes enable_multihome=yes enable_pam_dlopen=no enable_password_save=yes enable_pedantic=no enable_pf=yes enable_pkcs11=yes enable_plugin_auth_pam=yes enable_plugin_down_root=yes enable_plugins=yes enable_port_share=yes enable_pthread=yes enable_selinux=no enable_server=yes enable_shared=yes enable_shared_with_static_runtimes=no enable_small=no enable_socks=yes enable_ssl=yes enable_static=yes enable_strict=no enable_strict_options=no enable_systemd=no enable_win32_dll=yes enable_x509_alt_username=yes with_crypto_library=openssl with_gnu_ld=yes with_iproute_path=/sbin/ip with_mem_check=no with_plugindir='$(libdir)/openvpn/plugins' with_sysroot=noWhat should I do to determine the cause of error?
How to check server.conf error for OpenVPN
openvpn
I don't believe that there's any specific command to do a syntax check, but you can run openvpn in the foreground, which should show the specific error:openvpn --config /path/to/server.conf