Dell Chromebook 5190 Owners Manual - Page 63

CROSH commands

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CROSH commands The table below lists the available commands in Chrome Shell (CROSH). Table 14. Help commands Command exit Purpose Exits the CROSH Shell. help Displays this help. help_advanced Displays the help for more advanced commands, used for debugging. ping [-c count] [-i interval] [-n] [-s packetsize] [-W waittime] - Sends ICMP ECHO_REQUEST packets to a network host. If is "gw", then the next hop gateway for the default route is used. It works just like the ping command on other operating systems. Press + to stop the ping process or halt any other command in CROSH. ssh [optional args...] - Starts the ssh subsystem if invoked without any arguments. "ssh ", "ssh ", "ssh< user>@". or "ssh @ " connect without entering the subsystem ssh_forget_host Removes a host from the list of known ssh hosts. This command displays a menu of known hosts and prompts for the host to forget. top Sets the chaps debug logging level. No arguments start verbose logging Table 15. Advanced help command Command battery_test[] bt_console [] chaps_debug [start|stop|] connectivity experimental_storage ff_debug [] [--help] [--list_valid_tags] [--reset] memory_test modem [args...] modem_set_carrier carrier-name network_diag[--date] [--link] [--show-macs] [--wifi] [-help] [--wifi-mon] network_logging Purpose Tests the battery discharge rate for a given number of seconds. No argument defaults to a 300 s test. Enters a Bluetooth debugging console. The Optional argument specifies the capability of a pairing agent the console provides; see the Bluetooth Core specification for valid options. Sets the chaps debug logging level. No arguments will start verbose logging. Shows connectivity status. Enables or disables experimental storage features. Adds and removes flimflam debugging tags. Performs extensive memory testing on the available free memory. Interacts with the 3G modem. Run modem help for detailed help. Configures the modem for the specified carrier. Performs a suite of network diagnostics and saves a copy of the output to your download directory Enables a predefined set of tags useful for debugging the specified device. Diagnostic and troubleshooting 63

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CROSH commands
The table below lists the available commands in Chrome Shell (CROSH).
Table 14. Help commands
Command
Purpose
exit
Exits the CROSH Shell.
help
Displays this help.
help_advanced
Displays the help for more advanced commands, used for
debugging.
ping
[-c count] [-i interval] [-n] [-s packetsize] [-W waittime] —
Sends ICMP ECHO_REQUEST packets to a network host. If
is "gw", then the next hop gateway for the default route is
used. It works just like the ping command on other operating
systems. Press
<Clrt> + <C>
to stop the ping process or halt
any other command in CROSH.
ssh
[optional args...] — Starts the ssh subsystem if invoked
without any arguments. "ssh <user> <host>", "ssh
<user> <host> <port>", "ssh< user>@<host>". or "ssh
<user>@<host> <port>" connect without entering the
subsystem
ssh_forget_host
Removes a host from the list of known ssh hosts. This
command displays a menu of known hosts and prompts for
the host to forget.
top
Sets the chaps debug logging level. No arguments start
verbose logging
Table 15. Advanced help command
Command
Purpose
battery_test
[<test length>]
Tests the battery discharge rate for a given number of
seconds. No argument defaults to a 300 s test.
bt_console
[<agent capability>]
Enters a Bluetooth debugging console. The
Optional
argument specifies the capability of a pairing agent the
console provides; see the
Bluetooth Core
specification for
valid options.
chaps_debug
[start|stop|<log_level>]
Sets the chaps debug logging level. No arguments will start
verbose logging.
connectivity
Shows connectivity status.
experimental_storage
<status|enable|disable>
Enables or disables experimental storage features.
ff_debug
[<tag_expr>] [--help] [--list_valid_tags] [--reset]
Adds and removes flimflam debugging tags.
memory_test
Performs extensive memory testing on the available free
memory.
modem
<command> [args...]
Interacts with the 3G modem. Run
modem help
for detailed
help.
modem_set_carrier carrier-name
Configures the modem for the specified carrier.
network_diag
[--date] [--link] [--show-macs] [--wifi] [--
help] [--wifi-mon] <host>
Performs a suite of network diagnostics and saves a copy of
the output to your download directory
network_logging
<wifi|cellular|ethernet>
Enables a predefined set of tags useful for debugging the
specified device.
Diagnostic and troubleshooting
63