Dear all,    "systemctl start radiusd.service" it doesn't exit but remain in a stuck state, it's necessary to do a CTRL-C, after that I check the status e the process list: all it's okay. - systemctl start radiusd.service (stuck in) - systemctl status radiusd.service (okay) - systemctl stop radiusd.service (okay)  Environment Centos 7 # cat /etc/redhat-release CentOS Linux release 7.6.1810 (Core) cd freeradius-server git pull git checkout v3.0.x git archive --format=tar --prefix=freeradius-server-3.0.19/ v3.0.x | bzip2 -c >../freeradius-server-3.0.19.tar.bz2 build from freeradius.spec results: x86_64]# ls -1 freeradius-3.0.19-2.el7.centos.x86_64.rpm freeradius-config-3.0.19-2.el7.centos.x86_64.rpm freeradius-debuginfo-3.0.19-2.el7.centos.x86_64.rpm freeradius-freetds-3.0.19-2.el7.centos.x86_64.rpm freeradius-krb5-3.0.19-2.el7.centos.x86_64.rpm freeradius-ldap-3.0.19-2.el7.centos.x86_64.rpm freeradius-mysql-3.0.19-2.el7.centos.x86_64.rpm freeradius-perl-3.0.19-2.el7.centos.x86_64.rpm freeradius-postgresql-3.0.19-2.el7.centos.x86_64.rpm freeradius-python-3.0.19-2.el7.centos.x86_64.rpm freeradius-redis-3.0.19-2.el7.centos.x86_64.rpm freeradius-rest-3.0.19-2.el7.centos.x86_64.rpm freeradius-sqlite-3.0.19-2.el7.centos.x86_64.rpm freeradius-unixODBC-3.0.19-2.el7.centos.x86_64.rpm freeradius-utils-3.0.19-2.el7.centos.x86_64.rpm Upgrade: # yum localinstall freeradius-3.0.18-2.el7.centos.x86_64.rpm freeradius-config-3.0.18-2.el7.centos.x86_64.rpm freeradius-ldap-3.0.18-2.el7.centos.x86_64.rpm freeradius-utils-3.0.18-2.el7.centos.x86_64.rpm # systemctl daemon-reload systemd read the new instructions from # cat /usr/lib/systemd/system/radiusd.service [Unit] Description=FreeRADIUS multi-protocol policy server After=network-online.target Documentation=man:radiusd(8) man:radiusd.conf(5) http://wiki.freeradius.org/ http://networkradius.com/doc/ [Service] Type=notify WatchdogSec=60 NotifyAccess=all PIDFile=/var/run/radiusd/radiusd.pid EnvironmentFile=-/etc/sysconfig/radiusd # FreeRADIUS can do static evaluation of policy language rules based # on environmental variables which is very useful for doing per-host # customization. # Unfortunately systemd does not allow variable substitutions such # as %H or $(hostname) in the EnvironmentFile. # We provide HOSTNAME here for convenience. Environment=HOSTNAME=%H # Limit memory to 2G this is fine for %99.99 of deployments.  FreeRADIUS # is not memory hungry, if it's using more than this, then there's probably # a leak somewhere. MemoryLimit=2G RuntimeDirectory=radiusd RuntimeDirectoryMode=0775 ExecStartPre=/usr/sbin/radiusd $FREERADIUS_OPTIONS -Cx -lstdout ExecStartPre=/usr/bin/chown radiusd:radiusd /var/run/radiusd ExecStart=/usr/sbin/radiusd $FREERADIUS_OPTIONS Restart=on-failure RestartSec=5 [Install] WantedBy=multi-user.target STATUS works: # systemctl status radiusd.service ● radiusd.service - FreeRADIUS multi-protocol policy server    Loaded: loaded (/usr/lib/systemd/system/radiusd.service; enabled; vendor preset: disabled)    Active: activating (start) since Wed 2019-02-27 10:33:43 CET; 1min 13s ago      Docs: man:radiusd(8)            man:radiusd.conf(5)            http://wiki.freeradius.org/            http://networkradius.com/doc/   Process: 31202 ExecStartPre=/usr/bin/chown radiusd:radiusd /var/run/radiusd (code=exited, status=0/SUCCESS)   Process: 31199 ExecStartPre=/usr/sbin/radiusd $FREERADIUS_OPTIONS -Cx -lstdout (code=exited, status=0/SUCCESS)  Main PID: 31208 (radiusd)    Memory: 21.8M (limit: 2.0G)    CGroup: /system.slice/radiusd.service            └─31208 /usr/sbin/radiusd STOP works: # systemctl stop radiusd.service # START stuck in: # systemctl start radiusd.service ^C # LOG from journalctl: Feb 27 10:37:04 betty systemd[1]: Starting FreeRADIUS multi-protocol policy server... Feb 27 10:37:04 betty radiusd[31406]: FreeRADIUS Version 3.0.19 Feb 27 10:37:04 betty radiusd[31406]: Copyright (C) 1999-2019 The FreeRADIUS server project and contributors Feb 27 10:37:04 betty radiusd[31406]: There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A Feb 27 10:37:04 betty radiusd[31406]: PARTICULAR PURPOSE Feb 27 10:37:04 betty radiusd[31406]: You may redistribute copies of FreeRADIUS under the terms of the Feb 27 10:37:04 betty radiusd[31406]: GNU General Public License Feb 27 10:37:04 betty radiusd[31406]: For more information about these matters, see the file named COPYRIGHT Feb 27 10:37:04 betty radiusd[31406]: Starting - reading configuration files ... Feb 27 10:37:04 betty radiusd[31406]: Debugger not attached Best regards. Stefano