MySQL

 * Checking mysqld configuration for mysql ...
2017-11-17 20:50:12 0 [Note] --secure-file-priv is set to NULL. Operations related to importing and exporting data are disabled
2017-11-17 20:50:12 0 [Note] /usr/sbin/mysqld (mysqld 5.6.36) starting as process 2841 ...
19:50:12 UTC - mysqld got signal 11 ;
This could be because you hit a bug. It is also possible that this binary
or one of the libraries it was linked against is corrupt, improperly built,
or misconfigured. This error can also be caused by malfunctioning hardware.
We will try our best to scrape up some info that will hopefully help
diagnose the problem, but since we have already crashed,
something is definitely wrong and this may fail.

key_buffer_size=0
read_buffer_size=1048576
max_used_connections=0
max_threads=200
thread_count=0
connection_count=0
It is possible that mysqld could use up to
key_buffer_size + (read_buffer_size + sort_buffer_size)*max_threads = 412154 K  bytes of memory
Hope that's ok; if not, decrease some variables in the equation.

Thread pointer: 0x0
Attempting backtrace. You can use the following information to find out
where mysqld died. If you see no messages after this, something went
terribly wrong...
stack_bottom = 0 thread_stack 0x30000
/usr/sbin/mysqld(my_print_stacktrace+0x20)[0x85b910]
/usr/sbin/mysqld(handle_fatal_signal+0x35f)[0x634bff]
/lib64/libpthread.so.0(+0x13b20)[0x7f6bcc540b20]
/usr/sbin/mysqld(thd_increment_bytes_received+0xf)[0x67461f]
/usr/sbin/mysqld[0x62b357]
/usr/sbin/mysqld[0x62b708]
/usr/sbin/mysqld(my_net_read+0x182)[0x62bf12]
/usr/sbin/mysqld(cli_safe_read+0x18)[0x723078]
/usr/sbin/mysqld(mysql_real_connect+0x34b)[0x72670b]
/usr/lib64/libnss_mysql.so.2(+0x289e)[0x7f6bcadd489e]
/usr/lib64/libnss_mysql.so.2(+0x2c07)[0x7f6bcadd4c07]
/usr/lib64/libnss_mysql.so.2(+0x2e48)[0x7f6bcadd4e48]
/usr/lib64/libnss_mysql.so.2(_nss_mysql_initgroups_dyn+0x7d)[0x7f6bcadd557d]
/lib64/libc.so.6(+0xc0010)[0x7f6bcb8dc010]
/lib64/libc.so.6(initgroups+0x77)[0x7f6bcb8dc347]
/usr/sbin/mysqld[0x589e2d]
/usr/sbin/mysqld(_Z11mysqld_mainiPPc+0xb6c)[0x58b6dc]
/lib64/libc.so.6(__libc_start_main+0xf0)[0x7f6bcb83c570]
/usr/sbin/mysqld(_start+0x2a)[0x5807da]
The manual page at http://dev.mysql.com/doc/mysql/en/crashing.html contains
information that should help you find out what is causing the crash.

This crash occured while the server was calling initgroups(). This is
often due to the use of a mysqld that is statically linked against
glibc and configured to use LDAP in /etc/nsswitch.conf.
You will need to either upgrade to a version of glibc that does not
have this problem (2.3.4 or later when used with nscd),
disable LDAP in your nsswitch.conf, or use a mysqld that is not statically linked.
 * mysql config check failed                                                                                                                                                                             [ !! ]
 * ERROR: mysql failed to stop