Keepalived

./configure --prefix=/usr/local/keepalived

configure: error: in `/usr/local/src/keepalived-1.4.1':
configure: error: no acceptable C compiler found in $PATH
See `config.log' for more details

yum install gcc

configure: error: 
  !!! OpenSSL is not properly installed on your system. !!!
  !!! Can not include OpenSSL headers files.            !!!

yum -y install openssl-devel

*** WARNING - this build will not support IPVS with IPv6. Please install libnl/libnl-3 dev libraries to support IPv6 with IPVS.

yum -y install libnl libnl-devel

configure: error: libnfnetlink headers missing

yum -y install libnfnetlink-devel

Keepalived configuration
------------------------
Keepalived version       : 1.4.1
Compiler                 : gcc
Preprocessor flags       :  
Compiler flags           : -Wall -Wunused -Wstrict-prototypes -Wextra -g -O2 -fPIE  -D_GNU_SOURCE
Linker flags             : -pie
Extra Lib                :  -lcrypto  -lssl  -lnl
Use IPVS Framework       : Yes
IPVS use libnl           : Yes
IPVS syncd attributes    : No
IPVS 64 bit stats        : No
fwmark socket support    : Yes
Use VRRP Framework       : Yes
Use VRRP VMAC            : Yes
Use VRRP authentication  : Yes
With ip rules/routes     : Yes
SNMP vrrp support        : No
SNMP checker support     : No
SNMP RFCv2 support       : No
SNMP RFCv3 support       : No
DBUS support             : No
SHA1 support             : No
Use Debug flags          : No
smtp-alert debugging     : No
Use Json output          : No
Stacktrace support       : No
Memory alloc check       : No
libnl version            : 1
Use IPv4 devconf         : No
Use libiptc              : No
Use libipset             : No
init type                : systemd
Build genhash            : Yes
Build documentation      : No

make & make install
mkdir -p/etc/keepalivedcp/usr/local/keepalived/etc/keepalived/keepalived.conf/etc/keepalived/
cp/usr/local/keepalived/etc/sysconfig/keepalived/etc/sysconfig/keepalived