man pages section 1M: System Administration Commands

smcron(1M)

NAME

smcron- Manage jobs in the crontab database

SYNOPSIS

/usr/sadm/bin/smcron

subcommand

auth_args

--

subcommand_args

DESCRIPTION

The smcron command manages jobs in the crontab(1) database.

`subcommands`

smcron subcommands are:

add: Adds a job to the crontab(1) database. To add a job, the administrator must have the solaris.jobs.admin authorization. To add a job to another user's crontab file, the administrator must have the solaris.jobs.user authorization.
delete: Deletes a job from the crontab(1) database. To delete a job, the administrator must have the solaris.jobs.admin authorization. To delete a job from another user's crontab file, the administrator must have the solaris.jobs.user authorization.
list: Lists one or more jobs in the crontab(1) database. To list all jobs, the administrator must have the solaris.jobs.admin authorization. To list a job in another user's crontab file, the administrator must have the solaris.jobs.user authorization. No authorization is needed to list a user's own jobs.
modify: Modifies a job in the crontab(1) database. To modify a job, the administrator must have the solaris.jobs.admin authorization. To modify a job in another user's crontab file, the administrator must have the solaris.jobs.user authorization.

OPTIONS

The smcron authentication arguments, auth_args, are derived from the smc(1M) arg set and are the same regardless of which subcommand you use. The smcron command requires the SMC to be initialized for the command to succeed (see smc(1M)). After rebooting the SMC server, the first smc connection may time out, so you may need to retry the command.

The subcommand-specific options, subcommand_args, must come after the auth_args and must be separated from them by the -- option.

`auth_args`

The valid auth_args are -D, -H, -l, -p, -r, and -u; they are all optional. If no auth_args are specified, certain defaults will be assumed and the user may be prompted for additional information, such as a password for authentication purposes. These letter options can also be specified by their equivalent option words preceded by a double dash. For example, you can use either -D or --domain with the domain argument.

-D | --domain domain

Specifies the default domain that you want to manage. The syntax of domain is type:/host_name/domain_name, where type is nis, nisplus, dns, ldap, or file; host_name is the name of the machine that serves the domain; and domain_name is the name of the domain you want to manage. (Note: Do not use nis+ for nisplus.)

If you do not specify this option, the SMC assumes the file default domain on whatever server you choose to manage, meaning that changes are local to the server. Toolboxes can change the domain on a tool-by-tool basis; this option specifies the domain for all other tools.

-H | --hostname host_name:port

Specifies the host_name and port to which you want to connect. If you do not specify a port, the system connects to the default port, 898. If you do not specify host_name:port, the SMC connects to the local host on port 898. You may still have to choose a toolbox to load into the console. To override this behavior, use the smc(1M) -B option, or set your console preferences to load a "home toolbox" by default.

-l | --rolepassword role_password

Specifies the password for the role_name. If you specify a role_name but do not specify a role_password, the system prompts you to supply a role_password. Passwords specified on the command line can be seen by any user on the system, hence this option is considered insecure.

-p | --password password

Specifies the password for the user_name. If you do not specify a password, the system prompts you for one. Passwords specified on the command line can be seen by any user on the system, hence this option is considered insecure.

-r | --rolename role_name

Specifies a role name for authentication. If you do not specify this option, no role is assumed.

-u | --username user_name

Specifies the user name for authentication. If you do not specify this option, the user identity running the console process is assumed.

--

This option is required and must always follow the preceding options. If you do not enter the preceding options, you must still enter the -- option.

`subcommand_args`

Note: Descriptions and other arg options that contain white spaces must be enclosed in double quotes.

For subcommand add:
-c command

Specifies the command that you want to run.

-h

(Optional) Displays the command's usage statement.

-m day_of_month

(Optional) Specifies the day of the month you want to run the job. Valid values are 1-31. If you specify both -t and -m options, the job executes one day per month at the time specified by -t.

-M month

(Optional) Specifies the month that you want to run the job. Valid values are 1-12. If you specify both -t and -M options, the job executes during the specified month at the time specified by -t.

-n name

Specifies the unique name of the job.

-o owner

(Optional) Specifies the user name that is the owner of the job. If you do not specify this option, the user name specified by the -U option is assumed.

-t time_of_day

Specifies the time (in hh:mm) that you want to execute the command. If no other time-related options are specified (-m, -M, or -w), the job executes every day at the time specified by -t. If you specify both -t and -w options, the job executes one day per week at the time specified by -t. If you specify both -t and -m options, the job executes one day per month at the time specified by -t. If you specify both -t and -M options, the job executes each day during the specified month at the time specified by -t.

-w day_of_week
(Optional) Specifies the day of the week you want to execute the command. Valid values are as follows:
- 0=Sunday
- 1=Monday
- 2=Tuesday
- 3=Wednesday
- 4=Thursday
- 5=Friday
- 6=Saturday
If you specify both -t and -w options, the job executes one day per week at the time specified by -t.
For subcommand delete:

-h

(Optional) Displays the command's usage statement.

-n name

Specifies the unique name of the job.

-o owner

(Optional) Specifies the user name that is the owner of the job. If you do not specify this option, the user name specified by the -U option is assumed.
For subcommand list:
-f n|s|v
(Optional) Specifies the format of the output. See EXAMPLES for examples of each output type.
- n -- Displays the data in native format, as it appears in the crontab(1) database.
- s -- Default format. Displays the data in summary format.
- v -- Displays the data in verbose format.
-h

(Optional) Displays the command's usage statement.

-o owner

(Optional) Lists all jobs for the specified owner (user name). If you do not specify this option, all jobs in the crontab(1) database are listed.
For subcommand modify:
-c command

(Optional) Specifies the command that you want to run.

-h

(Optional) Displays the command's usage statement.

-m day_of_month

(Optional) Specifies the day of the month you want to run the job. Valid values are 1-31. If you specify both -t and -m options, the job executes one day per month at the time specified by -t.

-M month

(Optional) Specifies the month that you want to run the job. Valid values are 1-12. If you specify both -t and -M options, the job executes during the specified month at the time specified by -t.

-n name

Specifies the current unique name of the job.

-N new_name

(Optional) Specifies the new unique name of the job.

-o owner

(Optional) Specifies the user name that is the owner of the job. If you do not specify this option, the user name specified by the -U option is assumed.

-O new_owner

(Optional) Specifies the new owner of the job.

-t time_of_day

(Optional) Specifies the time (in hh:mm) that you want to execute the command. If no other time-related options are specified (-m, -M, or -w), then the job executes every day at the time specified by -t. If you specify both -t and -w options, the job executes one day per week at the time specified by -t. If you specify both -t and -m options, the job executes one day per month at the time specified by -t. If you specify both -t and -M, then the job executes each day during the specified month at the time specified by -t.

-w day_of_week
(Optional) Specifies the day of the week you want to execute the command. Valid values are as follows:
- 0=Sunday
- 1=Monday
- 2=Tuesday
- 3=Wednesday
- 4=Thursday
- 5=Friday
- 6=Saturday
If you specify both -t and -w options, the job executes one day per week at the time specified by -t.

EXAMPLES

Example 1 Adding a job

The admin role adds a new job owned by kmochida, with the name, Remove old logs, that removes the old log files from /tmp every Monday at 1:30 AM. The administrator is prompted for the admin password.

$ /usr/sadm/bin/smcron add -- -o kmochida -n "Remove old logs" -c "rm /tmp/*.log" \
-w 1 -t 1:30

Example 2 Deleting a job

The admin role deletes the job named Remove old logs owned by kmochida. The administrator is prompted for the admin password.

$ /usr/sadm/bin/smcron delete -- -n "Remove old logs" -o kmochida

Example 3 Listing jobs in native format

The admin role lists all jobs in native, or crontab(1), format. The administrator is prompted for the admin password.

$ /usr/sadm/bin/smcron list -- -f n
MINUTE HOUR DATE MONTH DAY COMMAND

10 3 * * O,4 /etc/cron.d/logchecker
10 3 * * o /usr/lib/newsyslog
15 3 * * 0 /usr/lib/fs/nfs/nfsfind
1 2 * * * [ -x /usr/sbin/rtc ] && /usr/sbin/rtc -c > /dev/null 2>&1

Example 4 Listing jobs in standard format

The admin role lists all jobs owned by kmochida in standard format. The administrator is prompted for the admin password.

$ /usr/sadm/bin/smcron list -- -f s -o kmochida
NAME::OWNER::SCHEDULE::COMMAND

NoName_1765663371::lp::Weekly on Sundays at 3:13 AM::cd /var/lp/logs;
   if [ -f requests ]; then if [ -f requests.1 ]; then /bin/mv requests.1
   requests.2; fi; /usr/bin/cp requests requests.1; > requests; fi
NoName_512822673::lp::Weekly on Sundays at 4:15 AM::cd /var/lp/logs;
   if [ -f lpsched ]; then if [ -f lpsched.1 ]; then /bin/mv lpsched.1
   lpsched.2; fi; /usr/bin/cp lpsched lpsched.1; >lpsched; fi

Example 5 Listing jobs in verbose format

The admin role lists all jobs in verbose format. The administrator is prompted for the admin password.

$ /usr/sadm/bin/smcron list -- -f v
NAME::OWNER::SCHEDULE::NEXT_RUN::STATUS::COMMAND

NoName_1075488942::root::Advanced::::Finished on Feb 10 3:10 with code 1
::/etc/cron.d/logchecker
databackup::root::Weekly on Sundays at 3:10 AM::3/19/00 3:10 AM
::Finished on Sep 19 3:10::/usr/lib/newsyslog
runlog::root::Daily at 2:01 AM::3/14/00 2:01 AM::Finished on Feb 11
 2:01 AM::/usr/sbin/rtc

Example 6 Modifying a job

The admin role modifies the job Remove old logs owned by kmochida to execute daily at 2:00 AM. The administrator is prompted for the admin password.

$ /usr/sadm/bin/smcron modify -- -n "Remove old logs" \ 
          -o kmochida -t 2:00

ENVIRONMENT VARIABLES

See environ(5) for a description of the JAVA_HOME environment variable, which affects the execution of the smcron command. If this environment variable is not specified, the /usr/java location is used. See smc(1M).

EXIT STATUS

The following exit values are returned:

0: Successful completion.
1: Invalid command syntax. A usage message displays.
2: An error occurred while executing the command. An error message displays.

ATTRIBUTES

See attributes(5) for descriptions of the following attributes:

ATTRIBUTE TYPE	ATTRIBUTE VALUE
Availability	SUNWmga

SUMMARY OF TRUSTED SOLARIS CHANGES

To add, delete, or modify an entry or to list all entries, the administrator must have the solaris.jobs.admin authorization. To add, delete, modify, or list another user's crontab entry, the administrator must have the solaris.jobs.user authorization. No authorization is needed to list a user's own jobs.

Trusted Solaris 8 Reference Manual

crontab(1), cron(1M), smc(1M), smprofile(1M), smrole(1M)

SunOS 5.8 Reference Manual

attributes(5), environ(5)

Trusted Solaris 8 Last Revised 6 Oct 2000