hp@hp-desktop:~$ sphinx --datalog /opt/parrot-sphinx/usr/share/sphinx/drones/bebop2.drone::with_front_cam=false
Sphinx simulator version 0.23.1

starting Telemetryd to capture true data...
I telemetryd: Creating daemon with rate 50 ms
I libtelemetry: clear logger filter
I telemetryd: Loading plugins from '/opt/parrot-sphinx/usr/bin/../lib/tlm-plugins/'
I telemetryd: Loading '/opt/parrot-sphinx/usr/bin/../lib/tlm-plugins//tlm-web-gndctrl.so'
I telemetryd: Loading '/opt/parrot-sphinx/usr/bin/../lib/tlm-plugins//tlm-blackbox.so'
I tlmblackbox: setEnabled 1
I tlmblackbox: setCompressed 1
I tlmblackbox: setCompressionLevel 6
I tlmblackbox: setCompressionMethod zlib
I tlmblackbox: setLogDir '.'
I tlmblackbox: setLogName 'log.tlmb'
I tlmblackbox: setLogCount 4
I tlmblackbox: setFilter *
I libtelemetry: clear logger filter
I tlmblackbox: setFlushPeriod 10000 ms
I tlmblackbox: setMaxSize -1 bytes
I tlmblackbox: rotate logs: './log.tlmb.3' -> './log.tlmb.4'
I tlmblackbox: rotate logs: './log.tlmb.2' -> './log.tlmb.3'
I tlmblackbox: rotate logs: './log.tlmb.1' -> './log.tlmb.2'
I tlmblackbox: rotate logs: './log.tlmb' -> './log.tlmb.1'
I tlmblackbox: Creating file './log.tlmb'
I telemetryd: Loading '/opt/parrot-sphinx/usr/bin/../lib/tlm-plugins//tlm-gndctrl.so'
I telemetryd: Entering loop
grep: 341060B0508VFD-510_MRB01-1(SD card software): È una directory
I telemetryd: sighandler: signo=15(Terminated)
I telemetryd: Exiting loop
I tlmblackbox: Closing file './log.tlmb'
I telemetryd: Unloading '/opt/parrot-sphinx/usr/bin/../lib/tlm-plugins//tlm-blackbox.so'
I telemetryd: Unloading '/opt/parrot-sphinx/usr/bin/../lib/tlm-plugins//tlm-gndctrl.so'
E : [2018-03-30 14:21:24] [info] asio handle_accept error: asio.system:125 (Operation aborted.)
E : [2018-03-30 14:21:24] [info] Error getting remote endpoint: asio.system:9 (Bad file descriptor)
E : [2018-03-30 14:21:24] [info] asio async_shutdown error: asio.system:9 (Bad file descriptor)
E : [2018-03-30 14:21:24] [error] handle_accept error: Underlying Transport Error
E : [2018-03-30 14:21:24] [info] Stopping acceptance of new connections because the underlying transport is no longer listening.
I telemetryd: Unloading '/opt/parrot-sphinx/usr/bin/../lib/tlm-plugins//tlm-web-gndctrl.so'
pgrep: l'opzione richiede un argomento -- "s"

Usage:
 pgrep [options] <pattern>

Options:
 -d, --delimiter <string>  specify output delimiter
 -l, --list-name           list PID and process name
 -a, --list-full           list PID and full command line
 -v, --inverse             negates the matching
 -w, --lightweight         list all TID
 -c, --count               count of matching processes
 -f, --full                use full process name to match
 -g, --pgroup <PGID,...>   match listed process group IDs
 -G, --group <GID,...>     match real group IDs
 -n, --newest              select most recently started
 -o, --oldest              select least recently started
 -P, --parent <PPID,...>   match only child processes of the given parent
 -s, --session <SID,...>   match session IDs
 -t, --terminal <tty,...>  match by controlling terminal
 -u, --euid <ID,...>       match by effective IDs
 -U, --uid <ID,...>        match by real IDs
 -x, --exact               match exactly with the command name
 -F, --pidfile <file>      read PIDs from file
 -L, --logpidfile          fail if PID file is not locked
 --ns <PID>                match the processes that belong to the same
                           namespace as <pid>
 --nslist <ns,...>         list which namespaces will be considered for
                           the --ns option.
                           Available namespaces: ipc, mnt, net, pid, user, uts

 -h, --help     display this help and exit
 -V, --version  output version information and exit

For more details see pgrep(1).
hp@hp-desktop:~$ Gazebo multi-robot simulator, version 7.0.1
Copyright (C) 2012-2015 Open Source Robotics Foundation.
Released under the Apache 2 License.
http://gazebosim.org

[Msg] Waiting for master.
[Msg] Connected to gazebo master @ http://127.0.0.1:11345
[Msg] Publicized address: 127.0.0.1
[Err] [SystemPaths.cc:410] File or path does not exist["/tmp/sphinx-78d2f683.world"]
[Err] [Server.cc:338] Could not open file[/tmp/sphinx-78d2f683.world]
[Err] [server_main.cc:41] Error while parsing command line arguments
escalating to SIGKILL on client