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pankso@5
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1 #!/bin/sh
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2 #
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3 # /etc/init.d/rcS : Initial boot script for SliTaz GNU/Linux
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4 # Configuration file : /etc/rcS.conf
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5 #
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6 # rcS is the main initialization script used to check fs, mount, clean,
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7 # run scripts and start daemons.
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8 #
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9 . /etc/init.d/rc.functions
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10 . /etc/rcS.conf
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11
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12 # Set PATH, TZ and boot time.
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13 export PATH=/bin:/sbin:/usr/bin:/usr/sbin
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14 [ -s /etc/TZ ] && export TZ="$(cat /etc/TZ)"
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15 [ -n "$bootdate" ] || bootdate=$(date +%s)
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16
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17 case "$1" in
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18
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19 readonly)
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20
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21 colorize 34 "Processing: /etc/init.d/rcS..."
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22
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23 # Mount /proc
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24 echo -n "Mounting proc filesystem on /proc"
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25 mount proc && status
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26
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27 # Mount /run as tmpfs runtime data are not written to disk
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28 echo -n "Mounting tmpfs filesystem on: /run"
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29 mount -t tmpfs tmpfs /run
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30 status
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31
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32 # Trigger Udev and handle hotplug events
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33 if [ "$UDEV" == "yes" ]; then
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34 echo -n "Mounting devtmpfs filesystem on: /dev"
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35 mount -t devtmpfs devtmpfs /dev
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36 status
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37 echo "Starting udev daemon..."
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38 udevd --daemon 2>/dev/null
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39 echo "Udevadm requesting events from the Kernel..."
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40 udevadm trigger
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41 echo "Udevadm waiting for the event queue to finish..."
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42 udevadm settle --timeout=120
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43 # Disable hotplug helper since udevd listen to netlink
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44 echo "" > /proc/sys/kernel/hotplug
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45 fi
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46
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47 # Busybox mdev is an udev alternative
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48 if [ "$UDEV" == "mdev" ]; then
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49 echo -n "Executing mdev -s to populate /dev..."
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50 mdev -s && echo "mdev" > /proc/sys/kernel/hotplug
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51 status
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52 fi
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53
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54 # Before mounting filesystems we check fs specified in the file
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55 # /etc/rcS.conf and variable $CHECK_FS. WE need udev started to
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56 # have /dev/* populated
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57 if [ "$CHECK_FS" ]; then
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58 mount -o remount,ro /
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59 for i in $CHECK_FS; do
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60 colorize 36 "Checking filesystem: $i"
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61 e2fsck -p $i
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62 done
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63 fi
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64
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65 # Remount rootfs rw.
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66 echo "Remounting rootfs read/write..."
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67 mount -o remount,rw /
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68
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69 # Mount filesystems in /etc/fstab.
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70 echo "Mounting filesystems in fstab..."
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71 mount -a
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72 ;;
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73
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74 readwrite)
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75
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76 # Be quiet
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77 echo "0 0 0 0" > /proc/sys/kernel/printk
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78
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79 # Store boot messages to log files.
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80 dmesg > /var/log/dmesg.log &
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81
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82 # Parse cmdline args for earlier boot options. All other boot options
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83 # are in /etc/init./bootopts.sh.
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84 echo -n "Searching for early boot options..."
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85 for opt in $(cat /proc/cmdline)
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86 do
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87 case $opt in
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88 modprobe=*)
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89 export MODPROBE="yes" ;;
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90 config=*)
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91 export CONFIG=${opt#config=} ;;
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92 *)
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93 continue ;;
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94 esac
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95 done
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96 status
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97
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98 # Clean up the system and set up tmp dirs. Since we mount /run as tmpfs
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99 # and have a symlink for /var/run we should have empty directories. But,
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100 # some packages may overwrite the link, so make sure we have it.
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101 if [ "$CLEAN_UP_SYSTEM" = "yes" ]; then
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102 echo -n "Cleaning up the system..."
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103 rm -rf /tmp /var/run && ln -s /run /var/run
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104 mkdir -p /tmp/.X11-unix /tmp/.ICE-unix /run/dbus
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105 chmod -R 1777 /tmp
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106 status
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107 else
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108 echo "System clean up is disabled in: /etc/rcS.conf"
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109 fi
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110
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111 # Handle kernel cmdline parameter modprobe=<module_list>
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112 if [ "$MODPROBE" ]; then
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113 mods=$(sed -e 's/.* modprobe=\([^ ]*\).*/\1/' -e 's/,/\n/g' < /proc/cmdline)
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114 for i in $mods; do
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115 echo -n "Loading kernel module: $i"
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116 modprobe $i
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117 status
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118 done
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119 fi
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120
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gokhlayeh@241
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121 # Handle kernel cmdline parameter config=<device>,<path> to source a
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pankso@5
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122 # disk init script
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pankso@158
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123 if [ -n "$CONFIG" ]; then
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124 DEVICE=${CONFIG%,*}
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125 SCRIPT=${CONFIG#*,}
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126 echo "Probing $DEVICE... "
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127 if ! mount -r $DEVICE /mnt; then
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128 if echo $DEVICE | grep -Eq "/dev/sd|UUID=|LABEL="; then
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129 USBDELAY=$(cat /sys/module/usb_storage/parameters/delay_use)
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130 USBDELAY=$((1+$USBDELAY))
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131 echo "$DEVICE is potentially a USB device: sleep for $USBDELAY seconds"
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132 sleep $USBDELAY
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133 fi
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134 if ! mount -r $DEVICE /mnt; then
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135 CONFIG=""
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136 fi
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137 fi
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138 echo -n "Source $SCRIPT from $DEVICE..."
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139 if [ -n "$CONFIG" ]; then
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140 . /mnt/$SCRIPT
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141 umount /mnt 2> /dev/null || true
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142 fi
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143 status
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144 fi
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145
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146 # Mount /proc/bus/usb
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147 if [ -d /proc/bus/usb ]; then
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148 echo -n "Mounting usbfs filesystem on: /proc/bus/usb"
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149 mount -t usbfs usbfs /proc/bus/usb
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150 status
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151 fi
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152
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153 # Start syslogd and klogd
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154 echo -n "Starting system log deamon: syslogd..."
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155 syslogd -s $SYSLOGD_ROTATED_SIZE && status
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156 echo -n "Starting kernel log daemon: klogd..."
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157 klogd && status
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158
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159 # Load all modules listed in config file
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160 if [ "$LOAD_MODULES" ]; then
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161 colorize 33 "Loading Kernel modules..."
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162 for mod in $LOAD_MODULES; do
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163 echo -n "Loading module: $mod"
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164 modprobe $mod
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165 status
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166 done
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167 fi
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168
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169 # Detect PCI and USB devices with Tazhw from slitaz-tools. We load
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170 # kernel modules only at first boot or in LiveCD mode.
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171 if [ ! -s /var/lib/detected-modules ]; then
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172 tazhw init
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173 fi
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174
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175 # Call udevadm trigger to ensure /dev is fully populate now that all
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176 # modules are loaded.
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177 if [ "$UDEV" = "yes" ]; then
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178 echo -n "Triggering udev events: --action=add"
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179 udevadm trigger --action=add
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180 status
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181 fi
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182
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183 # Start all scripts specified with $RUN_SCRIPTS
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184 for script in $RUN_SCRIPTS; do
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185 echo $(colorize 34 "Processing: /etc/init.d/$script")
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186 /etc/init.d/$script
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187 done
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188
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189 # Start all daemons specified with $RUN_DAEMONS
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190 if [ "$RUN_DAEMONS" ]; then
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191 colorize 33 "Starting all daemons..."
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192 for daemon in $RUN_DAEMONS; do
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193 /etc/init.d/$daemon start
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194 done
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195 fi
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196
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197 # Back to a verbose mode
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198 (sleep 6 && echo "7 4 1 7" > /proc/sys/kernel/printk) &
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199
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200 if [ "$MESSAGE" ]; then
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201 newline
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202 colorize 32 "$MESSAGE"
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203 fi
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204
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205 # Display and log boot time
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206 time=$((`date +%s` - $bootdate))
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207 echo $time > /var/log/boot-time
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208 echo "SliTaz boot time: ${time}s"
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209 ;;
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210
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211 *)
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212 # --> readonly --> readwrite
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213 if [ ! -s /tmp/boot.log ]; then
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214 mount -t tmpfs tmpfs /tmp
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215 fi
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pascal@308
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216 /etc/init.d/rcS readonly 2>&1 | tee -a /tmp/boot.log
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217 # Lograde boot.log
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218 last=.9
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219 for i in .8 .7 .6 .5 .4 .3 .2 .1 .0 '' ; do
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220 mv -f /var/log/boot.log${i} /var/log/boot.log${last} 2>/dev/null
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221 last=$i
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222 done
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223 mv -f /tmp/boot.log /var/log/boot.log
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224 umount /tmp
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225 /etc/init.d/rcS readwrite 2>&1 | tee -a /var/log/boot.log ;;
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226 esac
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