Debian-10-sdcard-20200417 - Revision history

Winston.huang at 06:12, 17 April 2020

2020-04-17T06:12:59Z

Winston.huang at 06:04, 17 April 2020

2020-04-17T06:04:47Z

Winston.huang at 06:03, 17 April 2020

2020-04-17T06:03:31Z

Winston.huang at 06:02, 17 April 2020

2020-04-17T06:02:54Z

Winston.huang at 05:58, 17 April 2020

2020-04-17T05:58:44Z

Winston.huang at 05:47, 17 April 2020

2020-04-17T05:47:15Z

Winston.huang at 05:46, 17 April 2020

2020-04-17T05:46:03Z

Winston.huang at 05:22, 17 April 2020

2020-04-17T05:22:38Z

Winston.huang: Created page with "{{DISPLAYTITLE:How to create Debian 10 SD card image}} {| align="right" |- | TOC |} = Host Prerequisites = == Debian 10 rootfs tarball == :Ref. IoTGateway/BS..."

2020-04-17T05:17:50Z

Created page with "{{DISPLAYTITLE:How to create Debian 10 SD card image}} {| align="right" |- | __TOC__ |}  = Host Prerequisites = == Debian 10 rootfs tarball == :Ref. IoTGateway/BS..."

New page

{{DISPLAYTITLE:How to create Debian 10 SD card image}}

{| align="right"
|-
| __TOC__
|}

= Host Prerequisites =

== Debian 10 rootfs tarball ==
:Ref. [[IoTGateway/BSP/Linux/Debian/How_to_Create_Debian10_Rootfs_Base#keep_the_rootfs_for_future_use|keep the rootfs for future use]]

== Yocto Linux SD card image ==

: e.g. 5720A1AIM20LIV90100_iMX8M_2020-04-03.img
<syntaxhighlight lang="bash">
SDIMAGE=5720A1AIM20LIV90100_iMX8M_2020-04-03.img
</syntaxhighlight>

=== backup modules and firmware ===

<syntaxhighlight lang="bash">
BACKUPDIR=~/${SDIMAGE%%_*}
mkdir $BACKUPDIR
MNT=~/mnt
mkdir -p $MNT
PL=`fdisk -lu $SDIMAGE | grep "${SDIMAGE}2" | awk '{print $2}'`
sudo mount -o ro,offset=$((PL*512)) $SDIMAGE $MNT
sudo tar zcvf $BACKUPDIR/lib_modules.tgz -C $MNT lib/modules
sudo tar zcvf $BACKUPDIR/lib_firmware.tgz -C $MNT lib/firmware
sudo umount $MNT
</syntaxhighlight>
= Building Procedures =

== duplicate from Yocto SDcard image ==

<syntaxhighlight lang="bash">
DEBIMAGE=`sed "s/AIM20//; s/LIV/DIV/" <<< ${SDIMAGE%%_*}`_Debian10_base.img
cp $SDIMAGE $DEBIMAGE
mkfs.ext4 -F -E offset=$((PL*512)) $DEBIMAGE

</syntaxhighlight>

== restore rootfs, modules & firmware ==

<syntaxhighlight lang="bash">
sudo mount -o offset=$((PL*512)) $DEBIMAGE $MNT
sudo tar zxvf $ROOTFS.tgz -C $MNT/
sudo tar zxvf $BACKUPDIR/lib_modules.tgz -C $MNT
sudo tar zxvf $BACKUPDIR/lib_firmware.tgz -C $MNT
sudo umount $MNT
</syntaxhighlight>

= SDcard image is ready =

== write to SD card ==

<syntaxhighlight lang="bash">
sudo dd if=$DEBIMAGE of=${SD_DEVICE} bs=1M conv=fsync status=progress
</syntaxhighlight>

@@ Line 56: / Line 56: @@
 HOST=ROM-5720 # for ROM-5720
 sudo su -c "echo $HOST > $MNT/etc/hostname"
-sudo su -c "echo -e \"127.0.0.1\tlocalhost\n127.0.1.1\t$HOST\n\" > $MNT/etc/hostname"
+sudo su -c "echo -e \"127.0.0.1\tlocalhost\n127.0.1.1\t$HOST\n\" > $MNT/etc/hosts"
 </syntaxhighlight>
 == restore modules & firmware ==

@@ Line 10: / Line 10: @@
 == Debian 10 rootfs tarball ==
 The environment variable ,ROOTFS, must be set properly. (Ref. [[IoTGateway/BSP/Linux/Debian/How_to_Create_Debian10_Rootfs_Base#keep_the_rootfs_for_future_use|keep the rootfs for future use]])
 == Yocto Linux SD card image ==
 <syntaxhighlight lang="bash">
 SDIMAGE=5720A1AIM20LIV90100_iMX8M_2020-04-03.img # i.MX8 ROM-5720
@@ Line 76: / Line 71: @@
 The environment variable ,SD_DEVICE, must be set properly.
 <syntaxhighlight lang="bash">
 sudo dd if=$DEBIMAGE of=${SD_DEVICE} bs=1M conv=fsync status=progress
 </syntaxhighlight>

@@ Line 10: / Line 10: @@
 == Debian 10 rootfs tarball ==
-:The environment variable ,ROOTFS, must be set properly.
-:Ref. [[IoTGateway/BSP/Linux/Debian/How_to_Create_Debian10_Rootfs_Base#keep_the_rootfs_for_future_use|keep the rootfs for future use]]
+The environment variable ,ROOTFS, must be set properly. (:Ref. [[IoTGateway/BSP/Linux/Debian/How_to_Create_Debian10_Rootfs_Base#keep_the_rootfs_for_future_use|keep the rootfs for future use]])
@@ Line 74: / Line 74: @@
 == write to SD card ==
+:The environment variable ,SD_DEVICE, must be set properly.
 <syntaxhighlight lang="bash">
 sudo dd if=$DEBIMAGE of=${SD_DEVICE} bs=1M conv=fsync status=progress
 </syntaxhighlight>

@@ Line 18: / Line 18: @@
 e.g.
 <syntaxhighlight lang="bash">
@@ Line 48: / Line 49: @@
 </syntaxhighlight>
-== restore rootfs, modules & firmware ==
+== restore rootfs ==
@@ Line 54: / Line 55: @@
 sudo mount -o offset=$((PL*512)) $DEBIMAGE $MNT
 sudo tar zxvf $ROOTFS.tgz -C $MNT/
 sudo tar zxvf $BACKUPDIR/lib_modules.tgz -C $MNT
 sudo tar zxvf $BACKUPDIR/lib_firmware.tgz -C $MNT