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7.2.2. Contents of LFS-Bootscripts
Installed scripts: checkfs, cleanfs, console, functions, halt, ifdown, ifup, localnet, modules, mountfs, mountvirtfs, network, rc, reboot, sendsignals, setclock, ipv4-static, swap, sysctl, sysklogd, template, udev, and udev_retry
Installed directories: /etc/rc.d, /etc/init.d (symbolic link), /etc/sysconfig, /lib/services, /lib/lsb (symbolic link)
Short Descriptions
checkfs Checks the integrity of the file systems before they are mounted (with the exception of journal and network based file systems)
cleanfs Removes files that should not be preserved between reboots, such as those in /var/run/ and / var/lock/; it re-creates /var/run/utmp and removes the possibly present /etc/nologin,
/fastboot, and /forcefsck files
console Loads the correct keymap table for the desired keyboard layout; it also sets the screen font functions Contains common functions, such as error and status checking, that are used by several bootscripts halt Halts the system
ifdown Stops a network device
ifup Initializes a network device
localnet Sets up the system's hostname and local loopback device
modules Loads kernel modules listed in /etc/sysconfig/modules, using arguments that are also given there
mountfs Mounts all file systems, except ones that are marked noauto or are network based
mountvirtfs Mounts virtual kernel file systems, such as proc
network Sets up network interfaces, such as network cards, and sets up the default gateway (where applicable)
rc The master run-level control script; it is responsible for running all the other bootscripts one-by-one, in a sequence determined by the name of the symbolic links being processed
reboot Reboots the system
sendsignals Makes sure every process is terminated before the system reboots or halts
setclock Resets the kernel clock to local time in case the hardware clock is not set to UTC time
ipv4-static Provides the functionality needed to assign a static Internet Protocol (IP) address to a network interface
swap Enables and disables swap files and partitions
sysctl Loads system configuration values from /etc/sysctl.conf, if that file exists, into the running kernel
sysklogd Starts and stops the system and kernel log daemons template A template to create custom bootscripts for other daemons udev Prepares the /dev directory and starts Udev
udev_retry Retries failed udev uevents, and copies generated rules files from /run/udev to /etc/udev/ rules.d if required