NAME
systemctl - Control the systemd system and service manager
SYNOPSIS
systemctl [OPTIONS...] COMMAND [NAME...]
DESCRIPTION
systemctl may be used to introspect and control the state of the "systemd" system and service manager. Please refer to systemd(1) for an introduction into the basic concepts
and functionality this tool manages.
service start: systemctl start ${unit}
service stop: systemctl stop ${unit}
service restart: systemctl restart ${unit}
service reload: systemctl reload ${unit}
service status display: systemctl status ${unit}
service auto start: systemctl enable ${unit}
reject service auto start: sytemctl disable ${unit}
confirm service auto start: system is-enabled ${unit}
service list display: system list-unit-files –type=service
reload setting file: systemctl daemon-reload
[vagrant@localhost ~]$ ls /etc/init.d/
auditd iptables messagebus ntpdate rsyslog
blk-availability jenkins mysqld postfix sandbox
crond kdump netconsole rdisc saslauthd
elasticsearch kibana netfs rdma single
functions killall network restorecond sshd
halt lsyncd nfs rpcbind udev-post
htcacheclean lvm2-lvmetad nfs-rdma rpcgssd vboxadd
httpd lvm2-monitor nfslock rpcidmapd vboxadd-service
ip6tables mdmonitor ntpd rpcsvcgssd vboxadd-x11
[vagrant@localhost ~]$ sudo /etc/init.d/elasticsearch
使い方: /etc/init.d/elasticsearch {start|stop|status|restart|condrestart|try-restart|reload|force-reload}
[vagrant@localhost ~]$ sudo /etc/init.d/elasticsearch start
elasticsearch を起動中: OpenJDK 64-Bit Server VM warning: Option UseConcMarkSweepGC was deprecated in version 9.0 and will likely be removed in a future release.
OpenJDK 64-Bit Server VM warning: INFO: os::commit_memory(0x00000000e5f30000, 437059584, 0) failed; error=’Not enough space’ (errno=12)
#
# There is insufficient memory for the Java Runtime Environment to continue.
# Native memory allocation (mmap) failed to map 437059584 bytes for committing reserved memory.
# An error report file with more information is saved as:
# /var/log/elasticsearch/hs_err_pid10362.log
[失敗]
