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Diffstat (limited to 'Documentation/debconf7/pbuilder-presentation.tex')
| -rw-r--r-- | Documentation/debconf7/pbuilder-presentation.tex | 152 |
1 files changed, 118 insertions, 34 deletions
diff --git a/Documentation/debconf7/pbuilder-presentation.tex b/Documentation/debconf7/pbuilder-presentation.tex index 279799b..fe03500 100644 --- a/Documentation/debconf7/pbuilder-presentation.tex +++ b/Documentation/debconf7/pbuilder-presentation.tex @@ -17,7 +17,7 @@ % along with this program; if not, write to the Free Software % Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA -\documentclass[dvipdfm,12pt,times]{beamer} +\documentclass[dvipdfm,17pt,times]{beamer} % preview (shell-command (concat "xpdf " (replace-regexp-in-string "tex$" "pdf"(buffer-file-name)) "&")) % presentation (shell-command (concat "xpdf -fullscreen " (replace-regexp-in-string "tex$" "pdf"(buffer-file-name)) "&")) @@ -41,6 +41,13 @@ \begin{document} \frame{\titlepage{}} +\begin{frame}{Agenda?} +\begin{itemize} + \item pbuilder + \item cowbuilder + \item qemubuilder +\end{itemize} +\end{frame} \begin{frame}{Who am I?} \begin{itemize} @@ -59,36 +66,39 @@ \emtext{What is a chroot?} \begin{frame}{concept of a chroot} - \includegraphics[width=1\hsize]{chroot.eps}\\ + \includegraphics[width=0.8\hsize]{chroot.eps}\\ \texttt{\# chroot /var/cache/pbuilder/build/XXX bin/bash} \end{frame} \begin{frame}{concept of pbuilder} \includegraphics[width=1\hsize]{chroot-pbuilder.eps}\\ -\texttt{\# pbuilder --create, pbuilder --update, pbuilder --build} +\texttt{\# pbuilder --XXXX} \end{frame} \emtext{How do I use pbuilder?} -\begin{frame}{pbuilder basics} -\includegraphics[height=0.7\vsize]{pbuildercycle.eps} +\begin{frame}[containsverbatim]{installing pbuilder} +\begin{verbatim} +# apt-get install pbuilder +# vi /etc/pbuilderrc +# evince + /usr/share/doc/pbuilder/ + pbuilder-doc.pdf +\end{verbatim} \end{frame} -\begin{frame}{pbuilder basics ...} -\begin{tabular}{|l|p{9em}|p{10em}|} -\hline -\hline -operation & frequence & meaning \\ -\hline -\hline -create & once initially & create base filesystem \\ -\hline -update & twice a day (according to unstable updates) & - revise base filesystem \\ -\hline -build & for each package build & build Debian package inside chroot \\ -\hline -\end{tabular} +\begin{frame}{pbuilder basics} +\begin{minipage}{0.4\hsize} +\includegraphics[height=0.7\vsize]{pbuildercycle.eps} +\end{minipage} +\begin{minipage}{0.55\hsize} +\begin{itemize} + \item done once to create base filesystem. + \item twice a day to follow unstable updates, to revise base + filesystem. + \item for each package build to build Debian package inside chroot. +\end{itemize} +\end{minipage} \end{frame} \begin{frame}[containsverbatim]{pbuilder --create} @@ -186,13 +196,9 @@ dpkg-source: building cowdancer in cowdancer_0.26.tar.gz \end{frame} \begin{frame}{pbuilder backend variations} -\begin{minipage}{0.5\hsize} - Motivation -\begin{itemize} - \item limitation in chroot segregation (process space, filesystem) - \item COW filesystem optimization -\end{itemize} -\end{minipage}\begin{minipage}{0.4\hsize} + \definecolor{titleback}{gray}{0.9} + +\begin{minipage}{0.35\hsize} \begin{itemize} \item LVM \item UML @@ -200,6 +206,17 @@ dpkg-source: building cowdancer in cowdancer_0.26.tar.gz \item qemu \end{itemize} \end{minipage} +\begin{minipage}{0.6\hsize} + \colorbox{titleback}{ +\begin{minipage}{1\hsize} + Motivation +\begin{itemize} + \item limitation in chroot segregation (process space, filesystem) + \item COW filesystem optimization (tarball extraction slow.) +\end{itemize} +\end{minipage} +} +\end{minipage} \end{frame} \begin{frame}{uml} @@ -207,18 +224,82 @@ dpkg-source: building cowdancer in cowdancer_0.26.tar.gz different method of segregation COW block device support + \end{frame} -\begin{frame}{cowdancer} +\begin{frame}[containsverbatim]{cowdancer} - speed up through implementation + Speed up through use of copy-on-write filesystem. + + Just a matter of: + +\begin{verbatim} +# cp -al + /var/cache/pbuilder/base.cow + /var/cache/pbuilder/build/XXX +# chroot + /var/cache/pbuilder/build/XXX +\end{verbatim} \end{frame} -\begin{frame}{qemu} +\begin{frame}{qemubuilder} Try running other architectures at your fingertips? \end{frame} +\begin{frame}[containsverbatim]{qemubuilder example config} + +\begin{verbatim} +KERNEL_IMAGE=2.6.18-4-mips-di-vmlinux +INITRD=2.6.18-4-mips-di-initrd.gz +ARCH=mips +BASEPATH= + /var/cache/pbuilder/base-mips.qemu +\end{verbatim} +\end{frame} + +\begin{frame}{qemubuilder gritty details... create} + +\includegraphics[width=1\hsize]{qemubuilder-create.eps} +\end{frame} + +\begin{frame}{qemubuilder gritty details... build} + +\includegraphics[width=1\hsize]{qemubuilder-build.eps} +\end{frame} + +\emtext{qemubuilder --create --config mips.config} +\emtext{qemubuilder --update --config mips.config} +\emtext{qemubuilder --build --config mips.config XXX.dsc} +\begin{frame}[containsverbatim]{qemubuilder --login} +\begin{verbatim} +$ sudo qemubuilder --login --config pbuilder-qemu-mips.config +bash: /root/.pbuilderrc: No such file or directory +fsck 1.40-WIP (14-Nov-2006) +e2fsck 1.40-WIP (14-Nov-2006) +/home/dancer/tmp/base-mips.qemu: clean, 11585/393984 files, 88319/786432 blocks +1+0 records in +1+0 records out +1048576 bytes (1.0 MB) copied, 0.0229856 seconds, 45.6 MB/s +mke2fs 1.40-WIP (14-Nov-2006) + . + . + . +\end{verbatim}\end{frame} + +\begin{frame}[containsverbatim]{qemubuilder --login} +\begin{verbatim} + . + . + . +hostname: the specified hostname is invalid +bound to 10.0.2.15 -- renewal in 35272 seconds. +bash: no job control in this shell +root@pbuilder-coreduo:/# +\end{verbatim} +\end{frame} + + \begin{frame}{further ideas} \begin{itemize} @@ -243,11 +324,14 @@ dpkg-source: building cowdancer in cowdancer_0.26.tar.gz \item Development:\\ alioth project: \url{http://alioth.debian.org/projects/pbuilder} -\begin{verbatim} -git-clone - ssh://git.debian.org/git/pbuilder/pbuilder.git -\end{verbatim} + \item git repository:\\ +\texttt{git-clone + \url{git://git.debian.org/git/pbuilder/pbuilder.git}} + \end{itemize} \end{frame} + +\emtext{Questions?} + \end{document} |