COMMAND_RCMD_PROBE

Return HOME or USAGE

Name:
rcmd - Parallel Remote Command based SSH Command

Probe_Command:
Shown system's attibutes of the systems (by ssh command).

This function will execute system commands on clients to get the
attributes. The 'system administrator privileges' are required (like
'root' login).

The command do not refresh the local catalog, in this case use
'rcmdmgnt' command.

 # rcmd -probe [common-options] [probe-options] [nodelist]
   (gets system's attributes by iteractive process)

 # rcmdmgnt -probe [common-options] [probe-options] [nodelist]
   (gets system's attributes and refresh rcmd database)

NOTE: The remote user must be as login shell: sh, ksh or bash. No
differents shell are supported.

The 'probe' process itself allows the use of the 'sudo option' for
non-root users, however, you must add the system requirements settings
to /etc/sudoers.

Command_Options:
attempts, maxthreads, non-iteractive, stderroff, stdoutoff, timeout,
tracking

Probe_Options:
detail, fields, show-nonprobe

ssh_Options:
ssh-cipher, ssh-command, ssh-enable-tty, ssh-login, ssh-port,
ssh-private-key, ssh-logwarn, ssh_options,

Generic_Options:
ignorelist, nodelist, node-status, noheaders, notitle, options, output,
system, tags, with-status, without-noanswer-notify

Sudo_Option:
The 'use-sudo' option is valid for 'sh', 'bash' and 'ksh' program script
only. The module will add the following lines on the top of script:

 export SUDO; SUDO=`which sudo`;

You can prefix '$SUDO' to system commands to grant root privileges. You
does not need to grant root privileges for all each line of script, just
specific the '$SUDO' in the commands if need.

REMEMBER: The 'Sudoers' must be configured. no autoconfiguration will be
done.

System Command Dependencies:
The following command may require 'root' privileges. The 'root'
privileges depend of the system type, system configuration and remote
user in use. See the your system guide for more information.

Required commands on AIX Systems

 /usr/bin/hostname   Hostname
 /usr/bin/oslevel    OS Level
 /usr/bin/uname      Platform System Information
 /usr/sbin/bootinfo  (root) BOOT information
 /usr/sbin/lsattr    (root) List attributes
 /usr/sbin/lscfg     (root) List configuration
 /usr/sbin/lsdev     (root) List devices
 /usr/sbin/odmget    (root) List ODM
 /usr/sbin/prtconf   (root) Print system Configuration

Required commands on Linux Systems

 /sbin/lspci          (root) List PCI devices
 /usr/bin/getconf     (root) Get System Config
 /usr/bin/hostname    Hostname
 /usr/bin/lscpu       (root) List CPU
 /usr/bin/uname       Platform Information
 /usr/sbin/dmidecode  (root) HW decode tools

Required commands on SunOS and Solaris Systems

 /usr/bin/hostname         Hostname
 /usr/bin/isainfo          ISA Information
 /usr/sbin/prtconf         (root) Print system Configuration
 /usr/sbin/prtdiag         (root) Hardware information
 /usr/sbin/psrinfo         (root) Processor information
 /usr/bin/uname            Platform Information
 /opt/SUNWsneep/bin/sneep  (root) SerialNumber

Sudoers Configuration:
The 'Sudoers' will be required for non-root remote users that does not
have root-privileges (see: System Command Dependencies). The lines
bellow can be used as an example for 'how to configure sudoers'.

To enable the sudoers use the 'use-sudo' option or edit the
/etc/rcmd.d/rcmd.conf and add the line

 # rcmd -use-sudo ...
 or
 #/etc/rcmd.d/rcmd.conf
 ...
 set USE_SUDO 1

Edit the '/etc/sudoers' and add the lines:

 # AIX Systems
 [user] ALL=(ALL) NOPASSWD: \
                  /usr/sbin/bootinfo, \
                  /usr/sbin/lsattr, \ 
                  /usr/sbin/lscfg, \  
                  /usr/sbin/lsdev, \  
                  /usr/sbin/odmget, \ 
                  /usr/sbin/prtconf

 # Linux Systems
 [user] ALL=(ALL) NOPASSWD: \
                  /sbin/lspci, \
                  /usr/bin/getconf, \
                  /usr/bin/lscpu, \
                  /usr/sbin/dmidecode \

 # SunOS/Solaris Systems
 [user] ALL=(ALL) NOPASSWD: \
                  /usr/sbin/prtconf, \
                  /usr/sbin/psrinfo, \
                  /usr/sbin/prtdiag, \
                  /opt/SUNWsneep/bin/sneep

Probe_Examples:
1) Probe System Linux.

 # rcmd -probe -system system=linux

 2) Probe Users tag 'tag1'.

 # rcmd -probe -tag tag1

 3) Probe System and show specific field

 # rcmd -probe -field dist,version

 4) Probe Sytem and shown in detailed format

 # rcmd -probe -detail

Author:
Copyright (c) Carlos Celso

https://sourceforge.net/u/carlos_celso

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