LukeHan 의 잡다한 기술 블로그

테스트를 위해 좀비 프로세스가 필요한 상황이였다. 코드 fine name : zombie.c #include #include #include #include #include int main(void) { pid_t pid; int status; if ((pid = fork()) < 0) { perror("fork"); exit(1); } /* Child */ if (pid == 0) exit(0); /* Parent * Gives you time to observe the zombie using ps(1) ... */ sleep(100); /* ... and after that, parent wait(2)s its child's * exit status, and prints a relevant messa..

systemd 간략 정리 linuxconfig.org/how-to-create-systemd-service-unit-in-linux service 옵션정리 fmd1225.tistory.com/93 www.freedesktop.org/software/systemd/man/systemd.unit.html#Specifiers GUI 가 준비된 후 실행 방법 [Service] Environment="DISPLAY=:0" Environment="XAUTHORITY=/home/pi/.Xauthority" [Install] WantedBy=graphical.target 관련 설명 An application needs two things to open a window on an X display. It needs to..