Dell Chromebook 5190 Owner's Manual page 62

Table 15. Advanced help command
Command
battery_test[<test length>]
bt_console [<agent capability>]
chaps_debug [start|stop|<log_level>]
connectivity
experimental_storage<status|enable|disable>
ff_debug [<tag_expr>] [--help] [--list_valid_tags] [--reset]
memory_test
modem <command> [args...]
modem_set_carrier carrier-name
network_diag[--date] [--link] [--show-macs] [--wifi] [--help] [--wifi-
mon] <host>
network_logging <wifi|cellular|ethernet>
p2p_update [enable | disable]
rlz < status | enable | disable>
rollback
route [-n] [-6]
set_apn [-n <network-id>] [-u <username>] [-p <password>] <apn> Sets the APN to use when connecting to the network specified by
set_apn - c
set_arpgw <true | false>
set_cellular_ppp [-u <username>] [-p <password>]
set_cellular_ppp -c
sound <command> <argument>
storage_status
storage_test_1
62 Diagnostic and troubleshooting
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.
Enables or disables the peer-to-peer (P2P) sharing of updates over
the local network. This will both attempt to get updates from other
peers in the network and shares the downloaded updates with
them. Run this command without arguments to see the current
state.
Enables or disables RLZ.
Attempts to roll back to the previous update cached on your
system. Only available on non-stable channels and non-enterprise
enrolled devices. Please note that this will power wash your device.
Displays the routing tables.
<network-id>. If <network-id> is not specified, use the network-id
of the currently registered network.
Clears the APN to be used, so that the default APN is used instead.
Turns on the extra network state checking to make sure the default
gateway is reachable.
Sets the PPP username and/or password for an existing cellular
connection. If neither -u nor -p is provided, this shows the existing
PPP username for the cellular connection.
Clears any existing PPP username and PPP password for an
existing cellular connection.
Low level sound configuration. Can be used to play/record audio
samples and enable beam forming on Pixel. sound beamforming
<on|off > will enable/disable the feature. sound record [duration]
will start recording. sound play <filename> plays the recorded audio
samples
Reads storage device SMART health status, vendor attributes, and
error logs.
Performs a short offline SMART test.