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</o:shapelayout></xml><![endif]--></head><body lang=ZH-CN link="#0563C1" vlink="#954F72" style='word-wrap:break-word;text-justify-trim:punctuation'><div class=WordSection1><p class=MsoPlainText><span lang=EN-US>Hi,every one:<o:p></o:p></span></p><p class=MsoPlainText><span lang=EN-US><o:p> </o:p></span></p><p class=MsoPlainText><span lang=EN-US>My Ubuntu is : 20.04 LTS, and I using libvirtd on it to manage KVM vm, but now I can not open listener function of the libvirtd.<o:p></o:p></span></p><p class=MsoPlainText><span lang=EN-US><o:p> </o:p></span></p><p class=MsoPlainText><span lang=EN-US><o:p> </o:p></span></p><p class=MsoPlainText><span lang=EN-US>SYSTEM SOCKET ACTIVATION<o:p></o:p></span></p><p class=MsoPlainText><span lang=EN-US> The libvirtd daemon is capable of starting in two modes.<o:p></o:p></span></p><p class=MsoPlainText><span lang=EN-US><o:p> </o:p></span></p><p class=MsoPlainText><span lang=EN-US> In the traditional mode, it will create and listen on UNIX sockets itself. If the --listen parameter is given, it will also listen on TCP/IP socket(s),<o:p></o:p></span></p><p class=MsoPlainText><span lang=EN-US> according to the listen_tcp and listen_tls options in /etc/libvirt/libvirtd.conf<o:p></o:p></span></p><p class=MsoPlainText><span lang=EN-US><o:p> </o:p></span></p><p class=MsoPlainText><span lang=EN-US> In socket activation mode, it will rely on systemd to create and listen on the UNIX, and optionally TCP/IP, sockets and pass them as pre-opened file de</span><span style='font-family:宋体'>‐</span><span lang=EN-US><o:p></o:p></span></p><p class=MsoPlainText><span lang=EN-US> scriptors. In this mode, it is not permitted to pass the --listen parameter, and most of the socket related config options in /etc/libvirt/libvirtd.conf<o:p></o:p></span></p><p class=MsoPlainText><span lang=EN-US> will no longer have any effect. To enable TCP or TLS sockets use either<o:p></o:p></span></p><p class=MsoPlainText><span lang=EN-US><o:p> </o:p></span></p><p class=MsoPlainText><span lang=EN-US> $ systemctl start libvirtd-tls.socket<o:p></o:p></span></p><p class=MsoPlainText><span lang=EN-US><o:p> </o:p></span></p><p class=MsoPlainText><span lang=EN-US> Or<o:p></o:p></span></p><p class=MsoPlainText><span lang=EN-US><o:p> </o:p></span></p><p class=MsoPlainText><span lang=EN-US> $ systemctl start libvirtd-tcp.socket<o:p></o:p></span></p><p class=MsoPlainText><span lang=EN-US><o:p> </o:p></span></p><p class=MsoPlainText><span lang=EN-US><o:p> </o:p></span></p><p class=MsoPlainText><span lang=EN-US>But, on my system, there are no such service like libvirtd-tls.socket or libvirtd-tcp.socket.<o:p></o:p></span></p><p class=MsoPlainText><span lang=EN-US><o:p> </o:p></span></p><p class=MsoPlainText><span lang=EN-US>root@ubts1:~# systemctl | grep libvirt<o:p></o:p></span></p><p class=MsoPlainText><span lang=EN-US> libvirt-guests.service loaded active exited Suspend/Resume Running libvirt Guests <o:p></o:p></span></p><p class=MsoPlainText><span lang=EN-US> libvirtd.service loaded active running Virtualization daemon <o:p></o:p></span></p><p class=MsoPlainText><span lang=EN-US> libvirtd-admin.socket loaded active running Libvirt admin socket <o:p></o:p></span></p><p class=MsoPlainText><span lang=EN-US> libvirtd-ro.socket loaded active running Libvirt local read-only socket <o:p></o:p></span></p><p class=MsoPlainText><span lang=EN-US> libvirtd.socket loaded active running Libvirt local socket <o:p></o:p></span></p><p class=MsoPlainText><span lang=EN-US><o:p> </o:p></span></p><p class=MsoPlainText><span lang=EN-US>How can I open the listener ?<o:p></o:p></span></p><p class=MsoPlainText><span lang=EN-US><o:p> </o:p></span></p><p class=MsoPlainText><span lang=EN-US><o:p> </o:p></span></p><p class=MsoPlainText><span lang=EN-US>Thanks</span><span style='font-family:等线'>！</span><span lang=EN-US><o:p></o:p></span></p><p class=MsoPlainText><span lang=EN-US><o:p> </o:p></span></p><p class=MsoPlainText><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p></div></body></html>