Info: Slave server running with pid 2050. Info: Listening to slave connections on port 25001. Info: Starting NoMachine Monitor version '5.1.26'. Info: Loaded translation files for 'English'. 1965 1965 10:25:39 121,413 OsDetect: Setting os type to 'Ubuntu'. 1965 1965 10:25:39 121,452 Main: Creating a new connection monitor. 1965 1965 10:25:50 788,919 ClientThread: Creating new thread. /usr/NX/lib/libstdc++.so.6: version `GLIBCXX_3.4.20' not found (required by /usr/lib/x86_64-linux-gnu/libproxy.so.1) Failed to load module: /usr/lib/x86_64-linux-gnu/gio/modules/libgiolibproxy.so 1965 1965 10:25:51 273,886 MonitorService: Enabled drag and drop feature. 1965 1965 12:43:52 246,813 Main: WARNING! IO error received from the X server. 1965 1965 12:43:52 246,852 Main: WARNING! Signaling the application to leave the event loop. 1965 1965 12:43:52 246,951 Main: Cleaning up the monitor. 1965 1965 12:43:52 253,448 Main: WARNING! IO error received from the X server. 1965 1965 12:43:52 253,487 Main: WARNING! Signaling the application to leave the event loop. nxclient.bin: Fatal IO error: client killed 1965 1965 12:43:52 291,829 Io/Io: WARNING! Descriptor FD#11 type socket still open at exit. 1965 1965 12:43:52 291,866 Io/Io: WARNING! Descriptor FD#27 type socket still open at exit. 1965 1965 12:43:52 291,872 Io/Io: WARNING! Descriptor FD#28 type socket still open at exit.