SGE_PASSWD(1) Sun Grid Engine User Commands SGE_PASSWD(1)NAME
sgepasswd - Modify the Sun Grid Engine password file of Sun Grid Engine
SYNTAX
sgepasswd [[ -D domain ] -d user ]
sgepasswd [ -D domain ] [ user ]
DESCRIPTION
sgepasswd modifies the Sun Grid Engine password file sgepasswd(5).
This file contains a list of usernames and their windows password in encrypted form. sge_execd(8) and sge_shepherd(8) on hosts running Mi-
crosoft Windows as operating systems use this information to start jobs for a certain user.
Each user can use the sgepasswd application to add a new entry for the own user account. It is also possible to change the stored password
with sgepasswd as far as the user knows the old one.
The root user additionally has the permission to change the password entries for other user accounts. Root can also delete existing
entries.
The sgepasswd binary is only available on non-Windows hosts.
OPTIONS -D domain
Per default sgepasswd will add/modify the current Unix username without domain specification. This switch can be used to add a
domain specification in front of the current user name. Consult your Microsoft Windows documentation to get more information about
domain users.
-d user
Only root can use this parameter to delete entries from the sgepasswd(5) file.
-help Prints a listing of all options.
ENVIRONMENTAL VARIABLES
SGE_CERTFILE Specifies the location of public key file. Per default sgepasswd will use the file $SGE_ROOT/$SGE_CELL/com-
mon/sgeCA/certs/cert.pem
SGE_KEYFILE If set, specifies the location of the private key file. Default is /var/sgeCA/port${SGE_QMASTER_PORT}/${SGE_CELL}/pri-
vate/key.pem
SGE_RANDFILE If set, specifies the location of the seed used to create encrypted versions of user passwords. Default is
/var/sgeCA/port${SGE_QMASTER_PORT}/${SGE_CELL}/private/rand.seed
SEE ALSO sge_intro(1), sgepasswd(5)COPYRIGHT
See sge_intro(1) for a full statement of rights and permissions.
SGE 6.2u5 $Date$ SGE_PASSWD(1)
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SGE_EXECD(8) Sun Grid Engine Administrative Commands SGE_EXECD(8)NAME
sge_execd - Sun Grid Engine job execution agent
SYNOPSIS
sge_execd [ -help ]
DESCRIPTION
sge_execd controls the Sun Grid Engine queues local to the machine on which sge_execd is running and executes/controls the jobs sent from
sge_qmaster(8) to be run on these queues.
OPTIONS -help
Prints a listing of all options.
LOAD SENSORS
If a load sensor is configured for sge_execd via either the global host configuration or the execution-host-specific cluster configuration
(See sge_conf(5).), the executable path of the load sensor is invoked by sge_execd on a regular basis and delivers one or multiple load
figures for the execution host (e.g. users currently logged in) or the complete cluster (e.g. free disk space on a network wide scratch
file system). The load sensor may be a script or a binary executable. In either case its handling of the STDIN and STDOUT streams and its
control flow must comply to the following rules:
The load sensor must be written as an infinite loop waiting at a certain point for input from STDIN. If the string "quit" is read from
STDIN, the load sensor should exit. When an end-of-line is read from STDIN, a load data retrieval cycle should start. The load sensor then
performs whatever operation is necessary to compute the desired load figures. At the end of the cycle the load sensor writes the result to
stdout. The format is as follows:
o A load value report starts with a line containing only either the word "start" or the word "begin".
o Individual load values are separated by newlines.
o Each load value report consists of three parts separated by colons (":") and containing no blanks.
o The first part of a load value information is either the name of the host for which load is reported or the special name "global".
o The second part is the symbolic name of the load value as defined in the host or global complex list (see complex(5) for details). If a
load value is reported for which no entry in the host or global complex list exists, the reported load value is not used.
o The third part is the measured load value.
o A load value report ends with a line with only the word "end".
ENVIRONMENTAL VARIABLES
SGE_ROOT Specifies the location of the Sun Grid Engine standard configuration files.
SGE_CELL If set, specifies the default Sun Grid Engine cell. To address a Sun Grid Engine cell sge_execd uses (in the order of prece-
dence):
The name of the cell specified in the environment variable SGE_CELL, if it is set.
The name of the default cell, i.e. default.
SGE_DEBUG_LEVEL
If set, specifies that debug information should be written to stderr. In addition the level of detail in which debug infor-
mation is generated is defined.
SGE_QMASTER_PORT
If set, specifies the tcp port on which sge_qmaster(8) is expected to listen for communication requests. Most installations
will use a services map entry for the service "sge_qmaster" instead to define that port.
SGE_EXECD_PORT If set, specifies the tcp port on which sge_execd(8) is expected to listen for communication requests. Most installations
will use a services map entry for the service "sge_execd" instead to define that port.
RESTRICTIONS
sge_execd usually is started from root on each machine in the Sun Grid Engine pool. If started by a normal user, a spool directory must be
used to which the user has read/write access. In this case only jobs being submitted by that same user are handled correctly by the system.
FILES
sgepasswd contains a list of user names and their corresponding encrypted passwords. If available, the password file will be
used by sge_execd. To change the contents of this file please use the sgepasswd command. It is not advised to change that file manu-
ally.
<sge_root>/<cell>/common/configuration
Sun Grid Engine global configuration
<sge_root>/<cell>/common/local_conf/<host>
Sun Grid Engine host specific configuration
<sge_root>/<cell>/spool/<host>
Default execution host spool directory
<sge_root>/<cell>/common/act_qmaster
Sun Grid Engine master host file
SEE ALSO sge_intro(1), sge_conf(5), complex(5), sge_qmaster(8).
COPYRIGHT
See sge_intro(1) for a full statement of rights and permissions.
SGE 6.2u5 $Date$ SGE_EXECD(8)