Appendix A
Linux /etc/rc.d/rc.sysinit script program listing
1 #!/bin/sh
2 #
3 # /etc/rc.d/rc.sysinit - run once at boot time
4 #
5 # Taken in part from Miquel van Smoorenburg's bcheckrc.
6 #
7
8 # Rerun ourselves through initlog
9 if [ -z "$IN_INITLOG" ]; then
10 [ -f /sbin/initlog ] && exec /sbin/initlog -r /etc/rc.d/rc.sysinit
11 fi
12
13 # Set the path
14 PATH=/bin:/sbin:/usr/bin:/usr/sbin
15 export PATH
16
17 # Read in config data.
18 if [ -f /etc/sysconfig/network ]; then
19 . /etc/sysconfig/network
20 else
21 NETWORKING=no
22 HOSTNAME=localhost
23 fi
24
25 # Source functions
26 . /etc/rc.d/init.d/functions
27
28 # Fix console loglevel
29 /sbin/loglevel $LOGLEVEL
30
31 # Load keymap
32 KEYMAP=
33 if [ -f /etc/sysconfig/console/default.kmap ]; then
34 KEYMAP=/etc/sysconfig/console/default.kmap
35 else
36 . /etc/sysconfig/keyboard
37 if [ -n "$KEYTABLE" -a -d "/usr/lib/kbd/keymaps" ]; then
38 KEYMAP=$KEYTABLE
39 fi
40 fi
41 if [ -n "$KEYMAP" ]; then
42 # Since this takes in/output from stdin/out, we can't use initlog
43 echo -n "Loading default keymap"
44 loadkeys $KEYMAP < /dev/tty0 > /dev/tty0 2&#^@/dev/null && \
45 success "Loading default keymap" || failure "Loading default keymap"
46 echo
47 fi
48
49 # Load system font
50 if [ -x /sbin/setsysfont ]; then
51 action "Setting default font" /sbin/setsysfont
52 fi
53
54 # Start up swapping.
55 action "Activating swap partitions" swapon -a
56
57 # Set the hostname.
58 action "Setting hostname ${HOSTNAME}" hostname ${HOSTNAME}
59
60 # Set the NIS domain name
61 if [ -n "$NISDOMAIN" ]; then
62 action "Setting NIS domain name $NISDOMAIN" domainname $NISDOMAIN
63 else
64 domainname ""
65 fi
66
67 if [ -f /fsckoptions ]; then
68 fsckoptions=`cat /fsckoptions`
69 else
70 fsckoptions=
71 fi
72
73 if [ -f /forcefsck ]; then
74 fsckoptions="-f $fsckoptions"
75 fi
76
77 _RUN_QUOTACHECK=0
78 if [ ! -f /fastboot ]; then
79 STRING="Checking root filesystem"
80 echo $STRING
81 initlog -c "fsck -T -a $fsckoptions /"
82 rc=$?
83
84 if [ "$rc" = "0" ]; then
85 success "$STRING"
86 echo
87 elif [ "$rc" = "1" ]; then
88 passed "$STRING"
89 echo
90 fi
91
92 # A return of 2 or higher means there were serious problems.
93 if [ $rc -gt 1 ]; then
94 failure "$STRING"
95 echo
96 echo
97 echo "*** An error occurred during the file system check."
98 echo "*** Dropping you to a shell; the system will reboot"
99 echo "*** when you leave the shell."
100
101 PS1="(Repair filesystem) \#"; export PS1
102 sulogin
103
104 echo "Unmounting file systems"
105 umount -a
106 mount -n -o remount,ro /
107 echo "Automatic reboot in progress."
108 reboot
109 elif [ "$rc" = "1" ]; then
110 _RUN_QUOTACHECK=1
111 fi
112 fi
113
114 # check for arguments
115
116 mount -t proc /proc /proc
117
118 if grep -i nopnp /proc/cmdline >/dev/null ; then
119 PNP=
120 else
121 PNP=yes
122 fi
123
124 # set up pnp
125 if [ -x /sbin/isapnp -a -f /etc/isapnp.conf ]; then
126 if [ -n "$PNP" ]; then
127 action "Setting up ISA PNP devices" /sbin/isapnp /etc/isapnp.conf
128 else
129 action "Skipping ISA PNP configuration at users request" /bin/true
130 fi
131 fi
132
133 # Remount the root filesystem read-write.
134 action "Remounting root filesystem in read-write mode" mount -n -o remount,rw /
135
136 # Update quotas if fsck was run on /.
137 if [ X"$_RUN_QUOTACHECK" = X1 -a -x /sbin/quotacheck ]; then
138 action "Checking root filesystem quotas" /sbin/quotacheck -v /
139 fi
140 # XXX Disabled to avoid complaints on root later with quotaon -a
141 #if [ -x /sbin/quotaon ]; then
142 # action "Turning on user and group quotas for root filesystem" /sbin/quotaon /
143 #fi
144
145 if [ -n "$IN_INITLOG" ]; then
146 IN_INITLOG=
147 fi
148
149 if [ ! -f /etc/HOSTNAME ]; then
150 echo ${HOSTNAME} > /etc/HOSTNAME
151 fi
152
153 # Clear mtab
154 >/etc/mtab
155
156 # Enter root and /proc into mtab.
157 mount -f /
158 mount -f /proc
159
160 if ! grep -i nomodules /proc/cmdline >/dev/null && [ -f /proc/ksyms ]; then
161 USEMODULES=y
162 else
163 USEMODULES=
164 fi
165
166 # Our modutils don't support it anymore, so we might as well remove
167 # the link.
168 rm -f /lib/modules/preferred
169 rm -f /lib/modules/default
170 if [ -x /sbin/depmod -a -n "$USEMODULES" ]; then
171 # Get ready for kmod if module support in the kernel
172 if [ -z `uname -r | grep "-"` ]; then
173 # we're using a new kernel, no preferred needed
174 mver=`uname -r`
175 else
176 ktag="`cat /proc/version`"
177 mtag=grep -l "$ktag" /lib/modules/*/.rhkmvtag 2> /dev/null
178 if [ -n "$mtag" ]; then
179 mver=echo $mtag | sed -e 's,/lib/modules/,,' -e 's,/.rhkmvtag,,' -e 's,[ ].*$,,'
180 fi
181 if [ -n "$mver" ]; then
182 ln -sf /lib/modules/$mver /lib/modules/default
183 fi
184 fi
185 [ -n "$mver" -a -f "/boot/module-info-$mver" ] && ln -sf /boot/module-info-$mver /boot/module-info
186 [ -n "$mver" -a -f "/boot/System.map-$mver" ] && ln -sf /boot/System.map-$mver /boot/System.map
187 action "Finding module dependencies" depmod -a
188 fi
189
190 # load sound modules
191 if [ -n "$USEMODULES" ]; then
192 if grep -s -q "^alias sound" /etc/conf.modules ; then
193 action "Loading sound module" modprobe sound
194 fi
195 if grep -s -q "^alias midi" /etc/conf.modules ; then
196 action "Loading midi module" modprobe midi
197 fi
198 fi
199
200 if [ -f /proc/sys/kernel/modprobe ]; then
201 if [ -n "$USEMODULES" ]; then
202 echo "/sbin/modprobe" > /proc/sys/kernel/modprobe
203 else
204 echo "" > /proc/sys/kernel/modprobe
205 fi
206 fi
207
208 # Add raid devices
209 if [ -f /proc/mdstat -a -f /etc/raidtab -a -x /sbin/raidadd ]; then
210 action "Starting up RAID devices" raidadd -a
211
212 rc=$?
213
214 if [ $rc = 0 ]; then
215 raidrun -a
216 rc=$?
217 fi
218
219 # A non-zero return means there were problems.
220 if [ $rc -gt 0 ]; then
221 echo
222 echo
223 echo "*** An error occurred during the RAID startup"
224 echo "*** Dropping you to a shell; the system will reboot"
225 echo "*** when you leave the shell."
226
227 PS1="(RAID Repair) \#"; export PS1
228 sulogin
229
230 echo "Unmounting file systems"
231 umount -a
232 mount -n -o remount,ro /
233 echo "Automatic reboot in progress."
234 reboot
235 fi
236 fi
237
238 # Check filesystems
239 if [ ! -f /fastboot ]; then
240 STRING="Checking filesystems"
241 echo $STRING
242 initlog -c "fsck -T -R -A -a $fsckoptions"
243 rc=$?
244 if [ "$rc" = "0" ]; then
245 success "$STRING"
246 echo
247 elif [ "$rc" = "1" ]; then
248 passed "$STRING"
249 echo
250 fi
251
252 # A return of 2 or higher means there were serious problems.
253 if [ $rc -gt 1 ]; then
254 failure "$STRING"
255 echo
256 echo
257 echo "*** An error occurred during the file system check."
258 echo "*** Dropping you to a shell; the system will reboot"
259 echo "*** when you leave the shell."
260
261 PS1="(Repair filesystem) \#"; export PS1
262 sulogin
263
264 echo "Unmounting file systems"
265 umount -a
266 mount -n -o remount,ro /
267 echo "Automatic reboot in progress."
268 reboot
269 elif [ "$rc" = "1" -a -x /sbin/quotacheck ]; then
270 action "Checking filesystem quotas" /sbin/quotacheck -v -R -a
271 fi
272 fi
273
274 # Mount all other filesystems (except for NFS and /proc, which is already
275 # mounted). Contrary to standard usage,
276 # filesystems are NOT unmounted in single user mode.
277 action "Mounting local filesystems" mount -a -t nonfs,smbfs,ncpfs,proc
278
279 if [ -x /sbin/quotaon ]; then
280 action "Turning on user and group quotas for local filesystems" /sbin/quotaon -a
281 fi
282
283 # Clean out /etc.
284 rm -f /etc/mtab~ /fastboot /fsckoptions /forcefsck
285 >/var/run/utmp
286 touch /var/log/wtmp
287 chgrp utmp /var/run/utmp /var/log/wtmp
288 chmod 0664 /var/run/utmp /var/log/wtmp
289
290 # Delete pam_console lock and refcount files
291 rm -f /var/lock/console.lock
292 rm -f /var/lock/console/*
293
294 # Delete UUCP lock files.
295 rm -f /var/lock/LCK*
296
297 # Delete stale subsystem files.
298 rm -f /var/lock/subsys/*
299
300 # Delete stale pid files
301 rm -f /var/run/*.pid
302
303 # Delete X locks
304 rm -f /tmp/.X*-lock
305
306 # Delete Postgres sockets
307 rm -f /tmp/.s.PGSQL.*
308
309 # Set the system clock.
310 ARC=0
311 UTC=0
312 if [ -f /etc/sysconfig/clock ]; then
313 . /etc/sysconfig/clock
314
315 # convert old style clock config to new values
316 if [ "${CLOCKMODE}" = "GMT" ]; then
317 UTC=true
318 elif [ "${CLOCKMODE}" = "ARC" ]; then
319 ARC=true
320 fi
321 fi
322
323 CLOCKDEF=""
324 if [ -x /sbin/hwclock ]; then
325 CLOCKFLAGS="--hctosys"
326 CLOCK=/sbin/hwclock
327 $CLOCK --adjust
328 else
329 CLOCKFLAGS="-a"
330 CLOCK=/sbin/clock
331 fi
332
333 case "$UTC" in
334 yes|true)
335 CLOCKFLAGS="$CLOCKFLAGS -u";
336 CLOCKDEF="$CLOCKDEF (utc)";
337 ;;
338 esac
339
340 if [ "$CLOCK" = "/sbin/clock" ]; then
341 case "$ARC" in
342 yes|true)
343 CLOCKFLAGS="$CLOCKFLAGS -A";
344 CLOCKDEF="$CLOCKDEF (arc)";
345 ;;
346 esac
347 fi
348
349 $CLOCK $CLOCKFLAGS
350 action "Setting clock $CLOCKDEF: `date`" date
351
352 # Right, now turn on swap in case we swap to files.
353 swapon -a >/dev/null 2>&1
354 action "Enabling swap space" /bin/true
355
356 # Initialize the serial ports.
357 if [ -f /etc/rc.d/rc.serial ]; then
358 . /etc/rc.d/rc.serial
359 fi
360
361 # Load modules (for backward compatibility with VARs)
362 if [ -f /etc/rc.d/rc.modules ]; then
363 /etc/rc.d/rc.modules
364 fi
365
366 # If a SCSI tape has been detected, load the st module unconditionally
367 # since many SCSI tapes don't deal well with st being loaded and unloaded
368 if [ -f /proc/scsi/scsi ] && cat /proc/scsi/scsi | grep -q 'Type: Sequential-Access' 2>/dev/null ; then
369 if cat /proc/devices | grep -qv ' 9 st' ; then
370 if [ -n "$USEMODULES" ] ; then
371 # Try to load the module. If it fails, ignore it...
372 modprobe st 2>/dev/null
373 fi
374 fi
375 fi
376
377 # Set preferred X display manager link
378 preferred=
379 if [ -f /etc/sysconfig/desktop ]; then
380 if [ -n "`grep GNOME /etc/sysconfig/desktop`" ]; then
381 preferred=gdm
382 elif [ -n "`grep KDE /etc/sysconfig/desktop`" ]; then
383 preferred=kdm
384 elif [ -n "`grep AnotherLevel /etc/sysconfig/desktop`" ]; then
385 preferred=xdm
386 fi
387 fi
388 if [ -n "$preferred" ] && which $preferred >/dev/null 2>&1; then
389 ln -snf ../..`which $preferred` /etc/X11/prefdm
390 else
391 if [ ! -L /etc/X11/prefdm ]; then
392 if which gdm >/dev/null 2>&1; then
393 ln -snf ../..`which gdm` /etc/X11/prefdm
394 elif which kdm >/dev/null 2>&1; then
395 ln -snf ../..`which kdm` /etc/X11/prefdm
396 elif which xdm >/dev/null 2>&1; then
397 ln -snf ../..`which xdm` /etc/X11/prefdm
398 fi
399 fi
400 fi
401
402 # Now that we have all of our basic modules loaded and the kernel going,
403 # let's dump the syslog ring somewhere so we can find it later
404 dmesg > /var/log/dmesg
|
|