将samba省到了4.15.1，发现不能用systemctl启动了，对/usr/lib/systemd/system/smb.service文件做部分改动。
[Unit] Description=Samba SMB Daemon documentation=man:smbd(8) man:samba(7) man:smb.conf(5) After=network.target nmb.service winbind.service [Service] Type=simple #Type=notify NotifyAccess=all PIDFile=/run/smbd.pid LimitNOFILE=16384 EnvironmentFile=-/etc/sysconfig/samba ExecStart=/usr/local/samba/sbin/smbd --foreground --no-process-group $SMBDOPTIONS -l/var/log/samba -s/usr/local/samba/etc/smb.conf ExecReload=/bin/kill -HUP $MAINPID LimitCORE=infinity Environment=KRB5CCNAME=FILE:/run/samba/krb5cc_samba [Install] WantedBy=multi-user.target
