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Linux From Scratch - Version 7.0

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6.57. Sysvinit-2.88dsf

The Sysvinit package contains programs for controlling the startup, running, and shutdown of the system.

Approximate build time: less than 0.1 SBU

Required disk space: 1 MB

6.57.1. Installation of Sysvinit

When run-levels are changed (for example, when halting the system), init sends termination signals to those processes

that init itself started and that should not be running in the new run-level. While doing this, init outputs messages like

“Sending processes the TERM signal” which seem to imply that it is sending these signals to all currently running

processes. To avoid this misinterpretation, modify the source so that these messages read like “Sending processes

configured via /etc/inittab the TERM signal” instead:

sed -i 's@Sending processes@& configured via /etc/inittab@g' \

src/init.c

Maintained versions of the wall and mountpoint programs were installed earlier by Util-linux. Suppress the

installation of Sysvinit's versions of these programs and their man pages:

sed -i -e 's/utmpdump wall/utmpdump/' \

-e '/= mountpoint/d' \

-e 's/mountpoint.1 wall.1//' src/Makefile

Compile the package:

make -C src

This package does not come with a test suite.

Install the package:

make -C src install

6.57.2. Contents of Sysvinit

Installed programs: bootlogd, fstab-decode, halt, init, killall5, last, lastb (link to last), mesg, mountpoint,

pidof (link to killall5), poweroff (link to halt), reboot (link to halt), runlevel, shutdown,

sulogin, telinit (link to init), and utmpdump

Short Descriptions

bootlogd Logs boot messages to a log file

fstab-decode Run a command with fstab-encoded arguments

halt Normally invokes shutdown with the -h option, except when already in run-level 0, then it

tells the kernel to halt the system; it notes in the file /var/log/wtmp that the system is being

brought down

init The first process to be started when the kernel has initialized the hardware which takes over the

boot process and starts all the proceses it is instructed to

killall5 Sends a signal to all processes, except the processes in its own session so it will not kill the shell

running the script that called it

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MTD 248-645A Manual de usuario Pagina 203