http://luci.subsignal.org/api/luci/modules/luci.sys.html#sysinfo

Class luci.sys

LuCI Linux and POSIX system utilities.

Functions

Functions

call (...) Execute a given shell command and return the error code

Parameters

• ...: Command to call

Return value:

Error code of the command dmesg () Retrieves the output of the "dmesg" command.

Return value:

String containing the current log buffer exec (command) Execute a given shell command and capture its standard output

Parameters

• command: Command to call

Return value:

String containg the return the output of the command getenv (var) Retrieve environment variables. If no variable is given then a table containing the whole environment is returned otherwise this function returns the corresponding string value for the given name or nil if no such variable exists.

Parameters

• var: Name of the environment variable to retrieve (optional)

Return values:

1. String containg the value of the specified variable
2. Table containing all variables if no variable name is given

hostname (String) Get or set the current hostname.

Parameters

• String: containing a new hostname to set (optional)

Return value:

String containing the system hostname httpget (url, stream, target) Returns the contents of a documented referred by an URL.

Parameters

• url: The URL to retrieve
• stream: Return a stream instead of a buffer
• target: Directly write to target file name

Return value:

String containing the contents of given the URL loadavg () Returns the system load average values.

Return values:

1. String containing the average load value 1 minute ago
2. String containing the average load value 5 minutes ago
3. String containing the average load value 15 minutes ago

mounts () Retrieve information about currently mounted file systems.

Return value:

Table containing mount information reboot () Initiate a system reboot.

Return value:

Return value of os.execute() sysinfo () Returns the system type, cpu name and installed physical memory.

Return values:

1. String containing the system or platform identifier
2. String containing hardware model information
3. String containing the total memory amount in kB
4. String containing the memory used for caching in kB
5. String containing the memory used for buffering in kB
6. String containing the free memory amount in kB
7. String containing the cpu bogomips (number)

syslog () Retrieves the output of the "logread" command.

Return value:

String containing the current log buffer uniqueid (bytes) Generates a random id with specified length.

Parameters

• bytes: Number of bytes for the unique id

Return value:

String containing hex encoded id uptime () Returns the current system uptime stats.

Return value:

String containing total uptime in seconds