Differences

This shows you the differences between two versions of the page.

--- en:bpi-r2:debian [2019/01/09 18:04] – external edit 127.0.0.1
+++ en:bpi-r2:debian [2020/08/29 17:14] – external edit 127.0.0.1
@@ Line 1: / Line 1: @@
+====== Debian ======
+===== debootstrap =====
+https://blog.night-shade.org.uk/2013/12/building-a-pure-debian-armhf-rootfs/
+[[ubuntu]]
+:!: in jessie/Ubuntu 14.x (64bit) there are problems in second-stage: [[https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=857338|link]], here debootstrap must be updated (first stage must be called again): [[https://packages.debian.org/jessie-backports/all/debootstrap/download|download]]
+<code bash>
+sudo apt-get install qemu-user-static debootstrap binfmt-support
+distro=buster
+arch=armhf
+#for bpi-r64 use arch=arm64
+targetdir=$(pwd)/debian_${distro}_${arch}
+mkdir $targetdir
+sudo debootstrap --arch=$arch --foreign $distro $targetdir
+sudo cp /usr/bin/qemu-arm-static $targetdir/usr/bin/
+#for r64 use
+# sudo cp /usr/bin/qemu-aarch64-static $targetdir/usr/bin/
+sudo cp /etc/resolv.conf $targetdir/etc
+sudo distro=$distro chroot $targetdir
+export LANG=C
+/debootstrap/debootstrap --second-stage
+</code>
+like it's done in source hostname,apt (local Server),...must be configured
+  * hostname (/etc/hostname)
+<code>
+bpi-r2
+</code>
+  * /etc/apt/sources.list
+<code>
+deb http://ftp.us.debian.org/debian buster main contrib non-free
+deb-src http://ftp.us.debian.org/debian buster main contrib non-free
+deb http://ftp.us.debian.org/debian buster-updates main contrib non-free
+deb-src http://ftp.us.debian.org/debian buster-updates main contrib non-free
+deb http://security.debian.org/debian-security buster/updates main contrib non-free
+deb-src http://security.debian.org/debian-security buster/updates main contrib non-free
+</code>
+  * fstab (boot,root)
+<code>
+# <file system>     <dir>       <type>  <options>       <dump>  <pass>
+/dev/mmcblk0p1      /boot       vfat    errors=remount-ro   0       1
+/dev/mmcblk0p2      /       ext4    defaults        0       0
+</code>
+  * Dns-server in /etc/resolv.conf
+<code>
+nameserver 192.168.0.5
+</code>
+  * Network-Configuration
+<code>
+auto eth0
+iface eth0 inet manual
+  pre-up ip link set $IFACE up
+  post-down ip link set $IFACE down
+auto lan0
+iface lan0 inet static
+  hwaddress ether 08:00:00:00:00:00 # if you want to set MAC manually
+  address 192.168.0.10
+  netmask 255.255.255.0
+  gateway 192.168.0.5
+  pre-up ip link set $IFACE up
+  post-down ip link set $IFACE down
+...
+</code>
+in existing Jessie-Image clear root-partition (except lib/modules/<kernelversion>) and put contents of Bootstrap-folder (debian_stretch) to it
+Uploaded work so far on my [[https://drive.google.com/drive/folders/15Y5Y3NAOwg_IMmN3k6hdb7pAQj9oTVTl?usp=sharing|gdrive]]
+Image (sd+emmc in separate img's):
+[[https://drive.google.com/drive/folders/1oP7jy1KrrIOifvImo2nQ59wx3_9hHkgk?usp=sharing|gdrive]]
+(deb_stretch_…)
+on EMMC-Image SSH-Login is not possible as root because of missing option in ssh-server
+add the following line to /etc/ssh/sshd_config and reboot/restart sshd:
+  PermitRootLogin yes
+===== change working Image =====
+  * clear logs (echo -n "">logfile),
+  * delete backup-files,
+  * clear cache (e.g. APT),
+  * remove unused Kernel-Modules (/lib/modules/)
+  * delete own Users
+  * reset PW for root
+fill free space in the Image with null-file (for better packing):
+<code bash>
+loopdev=$(losetup -f) #get first free loopdevice
+losetup ${loopdev} /path/to/file
+partprobe ${loopdev}
+mount ${loopdev}p2 /mnt
+#if you want to install/update things
+cp /usr/bin/qemu-arm-static /mnt/usr/bin/
+chroot /mnt
+#overwrite free space
+dd if=/dev/zero of=/mnt/null.dat
+rm /mnt/null.dat
+losetup -d ${loopdev}
+</code>
+https://softwarebakery.com/shrinking-images-on-linux
+alternative https://wiki.debian.org/DebianInstaller/Arm/OtherPlatforms
+===== my Image for BPI-R2 =====
+==== network ====
+you have ports wan, lan0-lan4 with kernel 4.14+
+current config can be displayed using ip a or by editing /etc/network/interfaces
+  wan:dhcp # maybe needs additional "auto wan" to go up on boot
+  lan0: 192.168.0.10/24
+  lan1+lan2 are in a bridge with address 192.168.40.1/24 #currently also auto lanx+manual missing
+  lan3 unconfigured
+to add default-gateway / DNS server do this
+  ip route add default via <your router ip>
+  nano /etc/resolv.conf #change ip of your gateway for DNS
+==== keyboard ====
+for configuring keyboard you have to install console-setup then you will be prompted for keyboard-layout
+  apt-get install console-setup