Remote Debugging using GDB

gdbserver	gdbserver hostname:port --attach pid gdbserver hostname:port program
gdb	(gdb) target remote hostname:port (gdb) target remote <IP_remote>:<PORT>

gdbserver	remote(192.168.1.10)# gdbserver --attach :2000 pid_for_prog remote(192.168.1.10)# gdbserver localhost:2000 prog	Process prg created; pid = 20624
gdb	host$ gdb prog (gdb) target remote 192.168.1.10:2000 (gdb) b main                #Breakpoint 1 at 0x400550 (gdb) continue	Remote debugging using 192.168.1.10:2000

gdbserver	remote# gdbserver --remote-debug --multi localhost:2000	Multi-process Mode
gdb	$ gdb (gdb) target extended-remote 192.168.1.10:2000 (gdb) set remote exec-file /prog  #set program to debug (gdb) attach pid_for_prog      #Attach to a Running Process (gdb) file /prog         #load symbols from program in host (gdb) b main (gdb) run                  #Starting program: /prog	run gdbserver in multi process mode

gdb	(gdb) info threads  #get current thread (gdb) thread ID   #set ID for current thread (gdb) thread ID1 ID2 command (gdb) thread apply [threadno | all ] command	GDB MultiThread Debug
	(gdb) info forks   #get all process info (gdb) fork pid    #switch to process pid (gdb) set follow-fork-mode child|parent (gdb) show follow-fork-mode (gdb) set detach-on-flow on|off  #flow two (gdb) detach-fork pid   #don’t flow (gdb) delete fork       #kill and stop flowing	MultiProcess debug: After fork, child process sleep 30s to let us get pid to attach;