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pankso@5
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1 #!/bin/sh
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pankso@302
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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 "$1" in
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17
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18 readonly)
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19
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20 colorize 34 "Processing: /etc/init.d/rcS..."
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21
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22 # Mount /proc
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23 echo -n "Mounting proc filesystem on /proc"
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24 mount proc && status
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25
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26 # Trigger Udev and handle hotplug events
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27 if [ "$UDEV" == "yes" ]; then
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28 echo -n "Mounting devtmpfs filesystem on: /dev"
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29 mount -t devtmpfs devtmpfs /dev
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30 status
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31 echo "Starting udev daemon..."
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32 udevd --daemon 2>/dev/null
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33 echo "Udevadm requesting events from the Kernel..."
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34 udevadm trigger
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35 echo "Udevadm waiting for the event queue to finish..."
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36 udevadm settle --timeout=120
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37 # Disable hotplug helper since udevd listen to netlink
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38 echo "" > /proc/sys/kernel/hotplug
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39 else
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40 echo -n "Executing mdev -s to populate /dev..."
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41 mdev -s && echo "mdev" > /proc/sys/kernel/hotplug
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42 status
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43 fi
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44
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45 # Before mounting filesystems we check fs specified in the file
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46 # /etc/rcS.conf and variable $CHECK_FS. WE need udev started to
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47 # have /dev/* populated
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48 if [ "$CHECK_FS" ]; then
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49 mount -o remount,ro /
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50 for i in $CHECK_FS; do
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51 colorize 36 "Checking filesystem: $i"
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52 e2fsck -p $i
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53 done
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54 fi
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55
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56 # Remount rootfs rw.
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57 echo "Remounting rootfs read/write..."
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58 mount -o remount,rw /
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59
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60 # Mount filesystems in /etc/fstab.
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61 echo "Mounting filesystems in fstab..."
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62 mount -a
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63 ;;
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64
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65 readwrite)
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66
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67 # Be quiet
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68 echo "0 0 0 0" > /proc/sys/kernel/printk
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69
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70 # Store boot messages to log files.
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71 dmesg > /var/log/dmesg.log &
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72
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73 # Parse cmdline args for earlier boot options. All other boot options
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74 # are in /etc/init./bootopts.sh.
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75 echo -n "Searching for early boot options..."
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76 for opt in $(cat /proc/cmdline)
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77 do
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78 case $opt in
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79 modprobe=*)
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80 export MODPROBE="yes" ;;
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81 config=*)
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82 export CONFIG=${opt#config=} ;;
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83 screen=*)
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84 export SCREEN=${opt#screen=} ;;
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85 *)
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86 continue ;;
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87 esac
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88 done
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89 status
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pascal@41
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90
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paul@351
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91 # Clean up the system and set up tmp dirs. */run/* are tmpfs so they are
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92 # cleaned up at shutdown.
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93 if [ "$CLEAN_UP_SYSTEM" = "yes" ]; then
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94 echo -n "Cleaning up the system..."
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95 rm -rf /tmp
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96 mkdir -p /tmp/.X11-unix /tmp/.ICE-unix
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97 chmod -R 1777 /tmp
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98 status
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99 else
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100 echo "System clean up is disabled in: /etc/rcS.conf"
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101 fi
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102
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103 # Handle kernel cmdline parameter modprobe=<module_list>
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104 if [ "$MODPROBE" ]; then
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105 mods=$(sed -e 's/.* modprobe=\([^ ]*\).*/\1/' -e 's/,/\n/g' < /proc/cmdline)
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106 for i in $mods; do
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107 echo -n "Loading kernel module: $i"
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108 modprobe $i
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109 status
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110 done
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111 fi
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112
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gokhlayeh@241
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113 # Handle kernel cmdline parameter config=<device>,<path> to source a
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114 # disk init script
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pankso@158
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115 if [ -n "$CONFIG" ]; then
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116 DEVICE=${CONFIG%,*}
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117 SCRIPT=${CONFIG#*,}
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118 echo "Probing $DEVICE... "
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119 if ! mount -r $DEVICE /mnt; then
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120 if echo $DEVICE | grep -Eq "/dev/sd|UUID=|LABEL="; then
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121 USBDELAY=$(cat /sys/module/usb_storage/parameters/delay_use)
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122 USBDELAY=$((1+$USBDELAY))
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123 echo "$DEVICE is potentially a USB device: sleep for $USBDELAY seconds"
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124 sleep $USBDELAY
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125 fi
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126 if ! mount -r $DEVICE /mnt; then
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127 CONFIG=""
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128 fi
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129 fi
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130 echo -n "Source $SCRIPT from $DEVICE..."
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131 if [ -n "$CONFIG" ]; then
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132 . /mnt/$SCRIPT
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133 umount /mnt 2> /dev/null || true
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134 fi
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135 status
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136 fi
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137
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138 # Mount /proc/bus/usb
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139 if [ -d /proc/bus/usb ]; then
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140 echo -n "Mounting usbfs filesystem on: /proc/bus/usb"
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141 mount -t usbfs usbfs /proc/bus/usb
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142 status
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143 fi
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144
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pankso@302
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145 # Start syslogd and klogd
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146 echo -n "Starting system log daemon: syslogd..."
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147 syslogd -s $SYSLOGD_ROTATED_SIZE && status
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148 echo -n "Starting kernel log daemon: klogd..."
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149 klogd && status
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150
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151 # Load all modules listed in config file
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152 if [ "$LOAD_MODULES" ]; then
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153 colorize 33 "Loading Kernel modules..."
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154 for mod in $LOAD_MODULES; do
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155 echo -n "Loading module: $mod"
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156 modprobe $mod
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157 status
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158 done
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159 fi
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160
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pankso@153
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161 # Detect PCI and USB devices with Tazhw from slitaz-tools. We load
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paul@181
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162 # kernel modules only at first boot or in LiveCD mode.
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163 if [ ! -s /var/lib/detected-modules ]; then
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164 tazhw init
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165 fi
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166
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paul@344
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167 # Call udevadm trigger to ensure /dev is fully populated now that all
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168 # modules are loaded.
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169 if [ "$UDEV" = "yes" ]; then
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170 echo -n "Triggering udev events: --action=add"
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171 udevadm trigger --action=add
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172 status
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173 fi
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174
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175 # Start all scripts specified with $RUN_SCRIPTS
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176 for script in $RUN_SCRIPTS; do
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177 echo $(colorize 34 "Processing: /etc/init.d/$script")
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178 /etc/init.d/$script
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179 done
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180
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pankso@365
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181 # Start X session. Dbus must be started before Xorg and other daemons.
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182 # We started it here because X is run before RUN_DAEMONS. Sleep, in
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183 # some in live mode we boot too fast and X can't initialize.
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184 if [ "$SCREEN" != "text" ] && [ "$LOGIN_MANAGER" ] && \
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185 [ -x "/etc/init.d/$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..." && HOME="/root"
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190 tazx init
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191 fi
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192 /etc/init.d/dbus start
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193 (sleep 2; /etc/init.d/${LOGIN_MANAGER} start >/dev/null) &
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194 fi
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195
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196 # Start all daemons specified with $RUN_DAEMONS
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197 if [ "$RUN_DAEMONS" ]; then
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198 colorize 33 "Starting all daemons..."
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199 for daemon in $RUN_DAEMONS; do
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200 /etc/init.d/$daemon start
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201 done
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202 fi
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203
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204 # Back to a verbose mode
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205 (sleep 6 && echo "7 4 1 7" > /proc/sys/kernel/printk) &
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206
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207 if [ "$MESSAGE" ]; then
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208 newline
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209 colorize 32 "$MESSAGE"
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210 fi
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211 ;;
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pankso@187
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212
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213 *)
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214 # --> readonly --> readwrite
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pascal@310
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215 if [ ! -s /run/boot.log ]; then
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216 # Mount /run as tmpfs runtime data are not written to disk
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217 mount -t tmpfs tmpfs /run
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pascal@338
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218 # cp -a in tazpkg does not support /var/run symlink
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219 mount --bind /run /var/run
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220 fi
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pascal@310
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221 /etc/init.d/rcS readonly 2>&1 | tee -a /run/boot.log
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pascal@309
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222 # Logrotate boot.log
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223 last=.9
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224 for i in .8 .7 .6 .5 .4 .3 .2 .1 .0 '' ; do
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225 mv -f /var/log/boot.log${i} /var/log/boot.log${last} 2>/dev/null
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226 last=$i
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227 done
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228 mv -f /run/boot.log /var/log/boot.log
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229 /etc/init.d/rcS readwrite 2>&1 | tee -a /var/log/boot.log ;;
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230 esac
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