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VIRTPROXYD(8) Virtualization Support VIRTPROXYD(8) NAME virtproxyd - libvirt proxy daemon SYNOPSIS virtproxyd [OPTION]... DESCRIPTION The virtproxyd program is a server side daemon component of the libvirt virtualization management system. It is one of a collection of modular daemons that replace functionality previously provided by the monolithic libvirtd daemon. This daemon runs on virtualization hosts and • Listens on a UNIX socket to provide backwards compatibility for clients that previously connected to the libvirtd socket. • Optionally listens on TCP ports for connections from off-node clients Upon receiving RPC messages from a client virtproxyd will transparently forward them on to the appropriate modular daemon, and similarly relay back any asynchronous events. By default, the virtproxyd daemon listens for requests on a local Unix domain socket with the same path previously used by libvirtd. The con- figuration file can be used to instruct it to also listen on TCP socket(s). Systemd socket activation is also supported to allow it to receive pre-opened listener sockets on startup. Since virtproxyd merely forwards RPC messages, it has no important state, and can be restarted at any time. Clients should expect to re- connect after the restart. DAEMON STARTUP MODES The virtproxyd daemon is capable of starting in two modes. Socket activation mode On hosts with systemd it is started in socket activation mode and it will rely on systemd to create and listen on the UNIX, and optionally TCP/IP, sockets and pass them as pre-opened file descriptors. In this mode most of the socket related config options in /etc/libvirt/virt- proxyd.conf will no longer have any effect. To enable TCP or TLS sock- ets use either $ systemctl start virtproxyd-tls.socket Or $ systemctl start virtproxyd-tcp.socket Note: The TCP socket uses plain unencrypted TCP connection and thus is insecure and should not be used. Traditional service mode On hosts without systemd, it will create and listen on UNIX sockets it- self. It will also listen on TCP/IP socket(s), according to the lis- ten_tcp and listen_tls options in /etc/libvirt/virtproxyd.conf OPTIONS -h, --help Display command line help usage then exit. -d, --daemon Run as a daemon & write PID file. -f, --config *FILE* Use this configuration file, overriding the default value. -p, --pid-file *FILE* Use this name for the PID file, overriding the default value. -t, --timeout *SECONDS* Exit after timeout period (in seconds), provided there are no client connections. -v, --verbose Enable output of verbose messages. --version Display version information then exit. SIGNALS On receipt of SIGHUP virtproxyd will reload its configuration. FILES When run as root • /usr/local/etc/libvirt/virtproxyd.conf The default configuration file used by virtproxyd, unless overridden on the command line using the -f | --config option. • /var/run/libvirt/libvirt-sock • /var/run/libvirt/libvirt-sock-ro The sockets virtproxyd will use. • /usr/local/etc/pki/CA/cacert.pem The TLS Certificate Authority certificate virtproxyd will use. • /usr/local/etc/pki/libvirt/servercert.pem The TLS Server certificate virtproxyd will use. • /usr/local/etc/pki/libvirt/private/serverkey.pem The TLS Server private key virtproxyd will use. • /var/run/virtproxyd.pid The PID file to use, unless overridden by the -p | --pid-file option. When run as non-root • $XDG_CONFIG_HOME/libvirt/virtproxyd.conf The default configuration file used by virtproxyd, unless overridden on the command line using the -f``|--config`` option. • $XDG_RUNTIME_DIR/libvirt/libvirt-sock The socket virtproxyd will use. • $HOME/.pki/libvirt/cacert.pem The TLS Certificate Authority certificate virtproxyd will use. • $HOME/.pki/libvirt/servercert.pem The TLS Server certificate virtproxyd will use. • $HOME/.pki/libvirt/serverkey.pem The TLS Server private key virtproxyd will use. • $XDG_RUNTIME_DIR/libvirt/virtproxyd.pid The PID file to use, unless overridden by the -p``|--pid-file`` option. If $XDG_CONFIG_HOME is not set in your environment, virtproxyd will use $HOME/.config If $XDG_RUNTIME_DIR is not set in your environment, virtproxyd will use $HOME/.cache EXAMPLES To retrieve the version of virtproxyd: # virtproxyd --version virtproxyd (libvirt) 11.1.0 To start virtproxyd, instructing it to daemonize and create a PID file: # virtproxyd -d # ls -la /var/run/virtproxyd.pid -rw-r--r-- 1 root root 6 Jul 9 02:40 /var/run/virtproxyd.pid BUGS Please report all bugs you discover. This should be done via either: 1. the mailing list <https://libvirt.org/contact.html> 2. the bug tracker <https://libvirt.org/bugs.html> Alternatively, you may report bugs to your software distributor / ven- dor. AUTHORS Please refer to the AUTHORS file distributed with libvirt. COPYRIGHT Copyright (C) 2006-2020 Red Hat, Inc., and the authors listed in the libvirt AUTHORS file. LICENSE virtproxyd is distributed under the terms of the GNU LGPL v2.1+. This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PUR- POSE SEE ALSO virsh(1), libvirtd(8), <https://libvirt.org/daemons.html> , VIRTPROXYD(8)
NAME | SYNOPSIS | DESCRIPTION | DAEMON STARTUP MODES | OPTIONS | SIGNALS | FILES | EXAMPLES | BUGS | AUTHORS | COPYRIGHT | LICENSE | SEE ALSO
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