linux_desktop_notification.md

linux_desktop_notification

notify-send

notify-send hello

notify-send use some dbus relative C API

broadcast message

wall

§ sender:

wall hello

§ receiver:

Broadcast message from w@ww (pts/2) (Thu Jul  8 09:26:32 2021):                
                                                                               
hello

syslog LOG_EMERG

default manjaro system configuration, LOG_EMERG would send broadcast message like wall

§ sender:

libc::syslog(libc::LOG_EMERG, "hello\0".as_ptr().cast());

§ receiver:

Broadcast message from systemd-journald@ww (Thu 2021-07-08 09:28:25 CST):

syslog[87348]: hello