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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
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16 case "$1" in
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17 readonly)
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18 colorize 34 'Processing /etc/init.d/rcS...'
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19
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20 # Mount /proc
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21 action 'Mounting proc filesystem on /proc'
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22 mount proc
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23 status
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24
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25 # Trigger udev and handle hotplug events
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26 if [ "$UDEV" == 'yes' ]; then
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27 action 'Mounting devtmpfs filesystem on /dev'
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28 mount -t devtmpfs devtmpfs /dev
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29 status
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30 [ -d '/lib/udev/devices' ] && cp -af /lib/udev/devices/* /dev/
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31
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32 if [ -d '/etc/udev/hwdb.d' ]; then
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33 echo 'Creating the udev hardware database...'
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34 udevadm hwdb --update
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35 fi
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36
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37 echo 'Starting udev daemon...'
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38 udevd --daemon 2>/dev/null
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39
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40 echo 'Udevadm requesting events from the Kernel...'
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41 udevadm trigger
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42
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43 echo 'Udevadm waiting for the event queue to finish...'
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44 udevadm settle --timeout=120
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45 # Disable hotplug helper since udevd listen to netlink
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46 echo '' > /proc/sys/kernel/hotplug
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47 else
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48 action 'Executing mdev -s to populate /dev...'
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49 mdev -s && echo 'mdev' > /proc/sys/kernel/hotplug
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50 status
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51 fi
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52
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53 # Before mounting filesystems we check FS specified in the file
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54 # /etc/rcS.conf and variable $CHECK_FS. We need udev started to
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55 # have /dev/* populated
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56 if [ -n "$CHECK_FS" ]; then
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57 mount -o remount,ro /
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58 for i in $CHECK_FS; do
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59 colorize 36 "Checking filesystem: $i"
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60 e2fsck -p $i
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61 done
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62 fi
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63
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64 # Remount rootfs rw.
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65 echo 'Remounting rootfs read/write...'
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66 mount -o remount,rw /
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67 sync # ensure rw state
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68
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69 # Mount filesystems in /etc/fstab.
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70 echo 'Mounting filesystems in fstab...'
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71 mount -a
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72 ;;
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73
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74 readwrite)
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75 # Be quiet
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76 echo '0 0 0 0' > /proc/sys/kernel/printk
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77
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78 # Store boot messages to log files.
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79 dmesg > /var/log/dmesg.log &
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80
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81 # Parse cmdline args for earlier boot options. All other boot options
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82 # are in /etc/init./bootopts.sh.
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83 action 'Searching for early boot options...'
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84 opt=$(cmdline_option modprobe); [ -n "$opt" ] && export MODPROBE='yes'
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85 opt=$(cmdline_option config); [ -n "$opt" ] && export CONFIG="$opt"
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86 opt=$(cmdline_option screen); [ -n "$opt" ] && export SCREEN="$opt"
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87 status
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88
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89 # Clean up the system and set up tmp dirs.
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90 # */run/* are tmpfs so they are cleaned up at shutdown.
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91 if [ "$CLEAN_UP_SYSTEM" == 'yes' ]; then
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92 action 'Cleaning up the system...'
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93 rm -rf /tmp
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94 mkdir -p /tmp/.X11-unix /tmp/.ICE-unix
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95 chmod -R 1777 /tmp
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96 status
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97 else
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98 echo 'System clean up is disabled in /etc/rcS.conf'
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99 fi
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100
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101 # Handle kernel cmdline parameter modprobe=<module_list>
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102 if [ -n "$MODPROBE" ]; then
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103 for i in $(cmdline_option modprobe | tr ',' '\n'); do
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104 action 'Loading kernel module: %s' "$i"
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105 modprobe $i
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106 status
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107 done
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108 fi
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109
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110 # Handle kernel cmdline parameter config=<device>,<path> to source a
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111 # disk init script
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112 if [ -n "$CONFIG" ]; then
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113 DEVICE=${CONFIG%,*}
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114 SCRIPT=${CONFIG#*,}
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115 echo "Probing $DEVICE..."
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116 if ! mount -r $DEVICE /mnt; then
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117 if echo $DEVICE | grep -Eq '/dev/sd|UUID=|LABEL='; then
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118 USBDELAY=$(cat /sys/module/usb_storage/parameters/delay_use)
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119 USBDELAY=$((1+$USBDELAY))
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120 echo "$DEVICE is potentially a USB device: sleep for $USBDELAY seconds"
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121 sleep $USBDELAY
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122 fi
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123 if ! mount -r $DEVICE /mnt; then
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124 CONFIG=''
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125 fi
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126 fi
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127 action 'Source %s from %s...' "$SCRIPT" "$DEVICE"
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128 if [ -n "$CONFIG" ]; then
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129 . /mnt/$SCRIPT
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130 umount /mnt 2>/dev/null || true
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131 fi
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132 status
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133 fi
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134
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135 # Mount /proc/bus/usb
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136 if [ -d '/proc/bus/usb' ]; then
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137 action 'Mounting usbfs filesystem on /proc/bus/usb'
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138 mount -t usbfs usbfs /proc/bus/usb
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139 status
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140 fi
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141
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142 # Start syslogd and klogd
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143 action 'Starting system log daemon: syslogd...'
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144 syslogd -s $SYSLOGD_ROTATED_SIZE; status
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145 action 'Starting kernel log daemon: klogd...'
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146 klogd; status
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147
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148 # Load all modules listed in config file
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149 if [ -n "$LOAD_MODULES" ]; then
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150 colorize 33 'Loading Kernel modules...'
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151 for mod in $LOAD_MODULES; do
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152 action 'Loading module: %s' "$mod"
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153 modprobe $mod
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154 status
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155 done
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156 fi
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157
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158 # Detect PCI and USB devices with Tazhw from slitaz-tools. We load
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159 # kernel modules only at first boot or in Live CD mode.
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160 if [ ! -s '/var/lib/detected-modules' ]; then
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161 tazhw init
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162 fi
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163
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164 # Call udevadm trigger to ensure /dev is fully populated now that all
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165 # modules are loaded.
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166 if [ "$UDEV" == 'yes' ]; then
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167 action 'Triggering udev events: --action=add'
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168 udevadm trigger --action=add
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169 status
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170 fi
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171
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172 # Start all scripts specified with $RUN_SCRIPTS
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173 for script in $RUN_SCRIPTS; do
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174 colorize 34 "Processing /etc/init.d/$script"
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175 /etc/init.d/$script
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176 done
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177
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178 # Start X session. Dbus must be started before Xorg and other daemons.
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179 # We started it here because X is run before RUN_DAEMONS. Sleep, in
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180 # some live modes we boot too fast and X can't initialize.
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181 if [ "$SCREEN" != 'text' -a \
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182 -n "$LOGIN_MANAGER" -a \
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183 -x '/usr/bin/tazx' -a \
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184 -s '/etc/slitaz/applications.conf' -a \
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185 -x "/etc/init.d/$LOGIN_MANAGER" ]; then
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186 colorize 36 'Starting X environment...'
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187 # We need Xorg 40-Keyboard.conf and SliTaz applications.conf
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188 if [ ! -s '/etc/X11/xorg.conf.d/40-Keyboard.conf' ]; then
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189 echo 'Configuring Xorg server...'
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190 HOME='/root'
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191 tazx init
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192 fi
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193 /etc/init.d/dbus start
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194 (sleep 2; /etc/init.d/$LOGIN_MANAGER start >/dev/null) &
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195 fi
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196
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197 # Start all daemons specified with $RUN_DAEMONS
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198 if [ -n "$RUN_DAEMONS" ]; then
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199 colorize 33 "Starting all daemons..."
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200 for daemon in $RUN_DAEMONS; do
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201 [ -x "/etc/init.d/$daemon" ] && /etc/init.d/$daemon start
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202 done
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203 fi
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204
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205 # Back to a verbose mode
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206 (sleep 6; echo '7 4 1 7' > /proc/sys/kernel/printk) &
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207
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208 if [ -n "$MESSAGE" ]; then
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209 newline
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210 colorize 32 "$MESSAGE"
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211 fi
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212 ;;
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213
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214 *)
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215 # Main entry point.
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216 # --> readonly --> readwrite
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217 if [ ! -s '/run/boot.log' ]; then
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218 # Mount /run as tmpfs runtime data are not written to disk
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219 mount -t tmpfs tmpfs /run
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220 # cp -a in tazpkg does not support /var/run symlink
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221 mount --bind /run /var/run
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222 fi
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223
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224 /etc/init.d/rcS readonly 2>&1 | tee -a /run/boot.log
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225
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226 # Logrotate boot.log
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227 last='.9'
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228 for i in .8 .7 .6 .5 .4 .3 .2 .1 .0 ''; do
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229 mv -f "/var/log/boot.log$i" "/var/log/boot.log$last" 2>/dev/null
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230 last="$i"
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231 done
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232 mv -f /run/boot.log /var/log/boot.log
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233
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234 /etc/init.d/rcS readwrite 2>&1 | tee -a /var/log/boot.log
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235 ;;
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236 esac
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