From fe4b1b187ab159ca052707fb89202c02a0e432bf Mon Sep 17 00:00:00 2001 From: Manuel Traut Date: Mon, 25 Apr 2011 21:08:33 +0200 Subject: vorl5: RFS generation added Signed-off-by: Manuel Traut --- linux-basics/fromscratch_vs_debian/Makefile | 9 ++++ .../pres_fromscatch_vs_debian_en.tex | 63 ++++++++++++++++++++++ 2 files changed, 72 insertions(+) create mode 100644 linux-basics/fromscratch_vs_debian/Makefile create mode 100644 linux-basics/fromscratch_vs_debian/pres_fromscatch_vs_debian_en.tex (limited to 'linux-basics/fromscratch_vs_debian') diff --git a/linux-basics/fromscratch_vs_debian/Makefile b/linux-basics/fromscratch_vs_debian/Makefile new file mode 100644 index 0000000..d641258 --- /dev/null +++ b/linux-basics/fromscratch_vs_debian/Makefile @@ -0,0 +1,9 @@ +all: + for pdf in `ls -1 *.tex` ; do \ + TEXINPUTS=`pwd`/../..:.:..:$(TEXINPUTS) pdflatex $$pdf; \ + TEXINPUTS=`pwd`/../..:.:..:$(TEXINPUTS) pdflatex $$pdf; \ + done + +clean: + rm -f *.aux *.log *.pdf *.log *.snm *.toc *.vrb *.nav *.out + diff --git a/linux-basics/fromscratch_vs_debian/pres_fromscatch_vs_debian_en.tex b/linux-basics/fromscratch_vs_debian/pres_fromscatch_vs_debian_en.tex new file mode 100644 index 0000000..9ca3b9d --- /dev/null +++ b/linux-basics/fromscratch_vs_debian/pres_fromscatch_vs_debian_en.tex @@ -0,0 +1,63 @@ +\input{configpres} + +\title{Rootfilesystem from scratch vs. Debian based system} +\maketitle + +\subsection{Rootfilesystem from scratch} + +\subsubsection{Overview} +\begin{frame} +\frametitle{RFS from scratch} +Advantage: +\begin{itemize} +\item smallest footprint +\end{itemize} +Disadvantages: +\begin{itemize} +\item manual dependency tracking +\item hard to maintain (track bugs for each source) +\end{itemize} +Okay for systems that have less than 16 MB flash. +\end{frame} + +\begin{frame} +\frametitle{RFS from scratch} +HOWTO: see app-devel/cross-devel section +\end{frame} + + +\subsection{Debian based system} + +\subsubsection{Overview} +\begin{frame} +\frametitle{Debian based system} +Advantages +\begin{itemize} +\item Bugtracking is made by Debian +\item Dependencytracking is made by Debian +\item easy to add new packages +\end{itemize} +Disadvantages +\begin{itemize} +\item standard system is about 100 MB +\end{itemize} +\end{frame} + +\subsubsection{HOWTO} +\begin{frame}[containsverbatim] +\frametitle{cross debootstrap} +\begin{lstlisting} +sudo rm -rf /tmp/debian-rfs +sudo /usr/sbin/debootstrap --verbose --arch armel --foreign squeeze \ + /tmp/debian-rfs http://debian.tu-bs.de/debian +sudo rm -rf var/cache/* +sudo rm -rf debootstrap +sudo rm -rf usr/share/doc/* +sudo rm -rf usr/share/man/* +\end{lstlisting} +\end{frame} + + + + +\input{tailpres} -- cgit v1.2.3 From 60ead65c41afba7e6aa4bbcf507a1d52f7a8fe9f Mon Sep 17 00:00:00 2001 From: Manuel Traut Date: Fri, 29 Apr 2011 08:44:07 +0200 Subject: fix typo Signed-off-by: Manuel Traut --- linux-basics/fromscratch_vs_debian/pres_fromscatch_vs_debian_en.tex | 1 + 1 file changed, 1 insertion(+) (limited to 'linux-basics/fromscratch_vs_debian') diff --git a/linux-basics/fromscratch_vs_debian/pres_fromscatch_vs_debian_en.tex b/linux-basics/fromscratch_vs_debian/pres_fromscatch_vs_debian_en.tex index 9ca3b9d..7a5da46 100644 --- a/linux-basics/fromscratch_vs_debian/pres_fromscatch_vs_debian_en.tex +++ b/linux-basics/fromscratch_vs_debian/pres_fromscatch_vs_debian_en.tex @@ -50,6 +50,7 @@ Disadvantages sudo rm -rf /tmp/debian-rfs sudo /usr/sbin/debootstrap --verbose --arch armel --foreign squeeze \ /tmp/debian-rfs http://debian.tu-bs.de/debian +cd tmp-rfs sudo rm -rf var/cache/* sudo rm -rf debootstrap sudo rm -rf usr/share/doc/* -- cgit v1.2.3 From 22076fed840e7573b8076e57e0cda3591a7f8a3d Mon Sep 17 00:00:00 2001 From: Manuel Traut Date: Fri, 29 Apr 2011 15:20:52 +0200 Subject: updated debootstrap presentation Signed-off-by: Manuel Traut --- beagle/deb.sh | 18 ------------ linux-basics/fromscratch_vs_debian/deb.sh | 33 ++++++++++++++++++++++ .../pres_fromscatch_vs_debian_en.tex | 11 +------- 3 files changed, 34 insertions(+), 28 deletions(-) delete mode 100755 beagle/deb.sh create mode 100755 linux-basics/fromscratch_vs_debian/deb.sh (limited to 'linux-basics/fromscratch_vs_debian') diff --git a/beagle/deb.sh b/beagle/deb.sh deleted file mode 100755 index 61db1dc..0000000 --- a/beagle/deb.sh +++ /dev/null @@ -1,18 +0,0 @@ -sudo rm -rf debian-rfs - -sudo /usr/sbin/debootstrap --verbose \ - --arch armel \ - --foreign \ - squeeze \ - debian-rfs \ - http://debian.tu-bs.de/debian - -cd debian-rfs -sudo rm -rf var/cache/* -sudo rm -rf debootstrap -sudo rm -rf usr/share/doc/* -sudo rm -rf usr/share/man/* -sudo rm -rf usr/share/locale/* -sudo rm -rf usr/share/zoneinfo/* -sudo rm -rf usr/lib/gconv/* -sudo rm -f var/lib/apt/lists/debootstrap.invalid_dists_squeeze_main_binary-armel_Packages diff --git a/linux-basics/fromscratch_vs_debian/deb.sh b/linux-basics/fromscratch_vs_debian/deb.sh new file mode 100755 index 0000000..2352c7f --- /dev/null +++ b/linux-basics/fromscratch_vs_debian/deb.sh @@ -0,0 +1,33 @@ +#fist stage, on host (pc) +sudo rm -rf debian-rfs + +sudo /usr/sbin/debootstrap --verbose \ + --arch armel \ + --include=mtd-utils \ + --foreign \ + squeeze \ + debian-rfs \ + http://debian.tu-bs.de/debian + +cd debian-rfs/ dev +mknod -m 622 console c 5 1 +mknod -m 622 tty0 c 4 0 +mknod -m 666 null c 1 3 +mknod -m 666 zero c 1 5 +mknod -m 666 ptmx c 5 2 +mknod -m 666 tty c 5 0 +mknod -m 444 random c 1 8 +mknod -m 444 urandom c 1 9 +cd - + +sudo mkfs.ext2 /dev/sdb2 +sudo mount /dev/sdb2 /mnt/usb +sudo cp -a debian-rfs/* /mnt/usb/ + +exit 0 + +#second stage, on target (beagleboard) +mkdir /proc /sys +mount -t proc none /proc +mount -t sysfs none /sys +/debootstrap/debootstrap --second-stage diff --git a/linux-basics/fromscratch_vs_debian/pres_fromscatch_vs_debian_en.tex b/linux-basics/fromscratch_vs_debian/pres_fromscatch_vs_debian_en.tex index 7a5da46..6500966 100644 --- a/linux-basics/fromscratch_vs_debian/pres_fromscatch_vs_debian_en.tex +++ b/linux-basics/fromscratch_vs_debian/pres_fromscatch_vs_debian_en.tex @@ -46,16 +46,7 @@ Disadvantages \subsubsection{HOWTO} \begin{frame}[containsverbatim] \frametitle{cross debootstrap} -\begin{lstlisting} -sudo rm -rf /tmp/debian-rfs -sudo /usr/sbin/debootstrap --verbose --arch armel --foreign squeeze \ - /tmp/debian-rfs http://debian.tu-bs.de/debian -cd tmp-rfs -sudo rm -rf var/cache/* -sudo rm -rf debootstrap -sudo rm -rf usr/share/doc/* -sudo rm -rf usr/share/man/* -\end{lstlisting} +\lstinputlisting[language=sh]{./linux-basics/fromscratch_vs_debian/deb.sh} \end{frame} -- cgit v1.2.3 From 437a656acc7aa4276b27fef8582c13b29e50ac52 Mon Sep 17 00:00:00 2001 From: Manuel Traut Date: Fri, 29 Apr 2011 15:41:22 +0200 Subject: fix debootstrap script (add console, passwd) Signed-off-by: Manuel Traut --- beagle/uboot.txt | 7 +++++-- linux-basics/fromscratch_vs_debian/deb.sh | 3 +++ 2 files changed, 8 insertions(+), 2 deletions(-) (limited to 'linux-basics/fromscratch_vs_debian') diff --git a/beagle/uboot.txt b/beagle/uboot.txt index 0c4d0b3..5ad36bf 100644 --- a/beagle/uboot.txt +++ b/beagle/uboot.txt @@ -1,5 +1,8 @@ setenv loadaddr 0x80200000 mmc init -fatload mmc1 1 ${loadaddr} uimage.old -setenv bootargs console=ttyO2,115200n8 root=/dev/mmcblk0p2 init=/bin/bash +fatload mmc1 1 ${loadaddr} uimage + +setenv bootargs console=ttyO2,115200n8 root=/dev/mmcblk0p2 rootwait +init=/bin/bash + bootm ${loadaddr} diff --git a/linux-basics/fromscratch_vs_debian/deb.sh b/linux-basics/fromscratch_vs_debian/deb.sh index 2352c7f..3a3457f 100755 --- a/linux-basics/fromscratch_vs_debian/deb.sh +++ b/linux-basics/fromscratch_vs_debian/deb.sh @@ -31,3 +31,6 @@ mkdir /proc /sys mount -t proc none /proc mount -t sysfs none /sys /debootstrap/debootstrap --second-stage +passwd +echo "T0:23:respawn:/sbin/getty -L ttyO2 115200 vt100" >> /etc/inittab +mount -o remount,ro /dev/mmcblk0p2 / -- cgit v1.2.3