it(8) [osf1 man page]
it(8) System Manager's Manual it(8) NAME
it - configure a system after installation SYNOPSIS
/sbin/it DESCRIPTION
The it program executes scripts before transferring control of the system to the user, typically before the first user logs in. The it program executes programs that collect information such as system name, passwords, timezone, and current date. A system can be in a run level at any given time; each run level has a specific group of processes that run at that level. The init program operates in one of four run levels: 0, s, 2, or 3. The run level changes when init is invoked by a privileged user. The it program is run from /etc/inittab whenever the system is booted or rebooted, or when a level transition occurs for some other reason, such as within init3. The it program first determines which run level the system is coming up under. Next it turns on shared libraries and swap and then searches for any /sbin/it.d/run-level directories, where run-level names a system run level; for example, 2.d, 3.d, 23.d, and so forth. If any such directories exist, it collects the names of all files in those directories. These files are typically links to files in the /sbin/it.d/bin directory and are created beforehand by itruns(8). After collecting the file names, it sorts them, eliminates duplicate references, orders the names as specified by the data file /sbin/it.d/data/options.mask, executes the files, and finally removes the files it executed. After all the files collected from the run level directories have been handled, it exits. The /sbin/it.d/data/options.mask file contains a single line with a list of file names separated by colons. The it command executes col- lected files in the order in which they appear from left to right in the options.mask file. Programs not listed in the options.mask file are executed after those defined in options.mask. These "unspecified" programs are run in the order into which they were initially sorted; that order is controlled by the LC_COLLATE environmental variable and the specifications in the /usr/lib/nls/loc/locale files. FILES
Specifies execution priorities of files to be run by it Files to be linked by itruns(8) for execution by it SEE ALSO
Commands: init(8), itruns(8), rc0(8), rc2(8), rc3(8), who(1) it(8)
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init.d(4) init.d(4) NAME
init.d - initialization and termination scripts for changing init states SYNOPSIS
/etc/init.d /etc/init.d is a directory containing initialization and termination scripts for changing init states. These scripts are linked when appro- priate to files in the rc?.d directories, where `?' is a single character corresponding to the init state. See init(1M) for definitions of the states. The service management facility (see smf(5)) is the preferred mechanism for service initiation and termination. The init.d and rc?.d direc- tories are obsolete, and are provided for compatibility purposes only. Applications launched from these directories by svc.startd(1M) are incomplete services, and will not be restarted on failure. File names in rc?.d directories are of the form [SK]nn<init.d filename>, where S means start this job, K means kill this job, and nn is the relative sequence number for killing or starting the job. When entering a state (init S,0,2,3,etc.) the rc[S0-6] script executes those scripts in /etc/rc[S0-6].d that are prefixed with K followed by those scripts prefixed with S. When executing each script in one of the /etc/rc[S0-6] directories, the /sbin/rc[S0-6] script passes a single argument. It passes the argument 'stop' for scripts prefixed with K and the argument 'start' for scripts prefixed with S. There is no harm in applying the same sequence number to multiple scripts. In this case the order of execution is deterministic but unspecified. Guidelines for selecting sequence numbers are provided in README files located in the directory associated with that target state. For example, /etc/rc[S0-6].d/README. Absence of a README file indicates that there are currently no established guidelines. Do not put /etc/init.d in your $PATH. Having this directory in your $PATH can cause unexpected behavior. The programs in /etc/init.d are associated with init state changes and, under normal circumstances, are not intended to be invoked from a command line. Example 1: Example of /sbin/rc2. When changing to init state 2 (multi-user mode, network resources not exported), /sbin/rc2 is initiated by the svc.startd(1M) process. The following steps are performed by /sbin/rc2. 1. In the directory /etc/rc2.d are files used to stop processes that should not be running in state 2. The filenames are prefixed with K. Each K file in the directory is executed (by /sbin/rc2) in alphanumeric order when the system enters init state 2. See example below. 2. Also in the rc2.d directory are files used to start processes that should be running in state 2. As in Step 1, each S file is executed. Assume the file /etc/init.d/netdaemon is a script that will initiate networking daemons when given the argument 'start', and will terminate the daemons if given the argument 'stop'. It is linked to /etc/rc2.d/S68netdaemon, and to /etc/rc0.d/K67netdaemon. The file is executed by /etc/rc2.d/S68netdaemon start when init state 2 is entered and by /etc/rc0.d/K67netdaemon stop when shutting the system down. svcs(1), init(1M), svc.startd(1M), svccfg(1M), smf(5) Solaris now provides an expanded mechanism, which includes automated restart, for applications historically started via the init script mechanism. The Service Management Facility (introduced in smf(5)) is the preferred delivery mechanism for persistently running applica- tions. Existing init.d scripts will, however, continue to be executed according to the rules in this manual page. The details of execution in relation to managed services are available in svc.startd(1M). On earlier Solaris releases, a script named with a suffix of '.sh' would be sourced, allowing scripts to modify the environment of other scripts executed later. This behavior is no longer supported; for altering the environment in which services are run, see the setenv sub- command in svccfg(1M). /sbin/rc2 has references to the obsolescent rc.d directory. These references are for compatibility with old INSTALL scripts. New INSTALL scripts should use the init.d directory for related executables. The same is true for the shutdown.d directory. 17 Aug 2005 init.d(4)