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