[FE training-materials-updates] Misc embedded Linux slides updates
Michael Opdenacker
michael.opdenacker at free-electrons.com
Thu Jun 8 13:47:14 CEST 2017
Repository : git://git.free-electrons.com/training-materials.git
On branch : master
Link : http://git.free-electrons.com/training-materials/commit/?id=e4d549692421a33ef7395ce034791e3d8beb0e2b
>---------------------------------------------------------------
commit e4d549692421a33ef7395ce034791e3d8beb0e2b
Author: Michael Opdenacker <michael.opdenacker at free-electrons.com>
Date: Thu Jun 8 13:47:14 2017 +0200
Misc embedded Linux slides updates
Signed-off-by: Michael Opdenacker <michael.opdenacker at free-electrons.com>
>---------------------------------------------------------------
e4d549692421a33ef7395ce034791e3d8beb0e2b
.../sysdev-block-filesystems.tex | 2 -
.../sysdev-bootloaders-sequence.tex | 7 +-
slides/sysdev-busybox/sysdev-busybox.tex | 5 +-
slides/sysdev-embedded-linux/alpinelinux-logo.svg | 167 +++++++++++++++++++++
slides/sysdev-embedded-linux/angstrom.png | Bin 20962 -> 0 bytes
slides/sysdev-embedded-linux/dash-express-gui.jpg | Bin 200253 -> 0 bytes
slides/sysdev-embedded-linux/openmoko-gui.png | Bin 42563 -> 0 bytes
slides/sysdev-embedded-linux/qt-devices.png | Bin 0 -> 362018 bytes
slides/sysdev-embedded-linux/roku-netflix-gui.jpg | Bin 57644 -> 0 bytes
.../sysdev-embedded-linux.tex | 40 ++---
slides/sysdev-realtime/sysdev-realtime.tex | 2 +-
11 files changed, 190 insertions(+), 33 deletions(-)
diff --git a/slides/sysdev-block-filesystems/sysdev-block-filesystems.tex b/slides/sysdev-block-filesystems/sysdev-block-filesystems.tex
index 19fc18f..7b6ba95 100644
--- a/slides/sysdev-block-filesystems/sysdev-block-filesystems.tex
+++ b/slides/sysdev-block-filesystems/sysdev-block-filesystems.tex
@@ -107,8 +107,6 @@ major minor #blocks name
\item \code{ext4}, mainly brought performance improvements and
support for even larger filesystems
\end{itemize}
- \item \code{ext4} is now the default filesystem used on most Linux
- distributions
\item It supports all features Linux needs from a filesystem:
permissions, ownership, device files, symbolic links, etc.
\end{itemize}
diff --git a/slides/sysdev-bootloaders-sequence/sysdev-bootloaders-sequence.tex b/slides/sysdev-bootloaders-sequence/sysdev-bootloaders-sequence.tex
index 5732252..f6dc882 100644
--- a/slides/sysdev-bootloaders-sequence/sysdev-bootloaders-sequence.tex
+++ b/slides/sysdev-bootloaders-sequence/sysdev-bootloaders-sequence.tex
@@ -189,9 +189,10 @@
The most used on ARM, also used on PPC, MIPS, x86, m68k, NIOS,
etc. The de-facto standard nowadays. We will study it in detail.\\
\url{http://www.denx.de/wiki/U-Boot}
- \item {\bf Barebox}, a new architecture-neutral bootloader, written
- as a successor of U-Boot. Better design, better code, active
- development, but doesn't yet have as much hardware support as U-Boot.\\
+ \item {\bf Barebox}, an architecture-neutral bootloader, written
+ as a successor of U-Boot. It doesn't have as much hardware support
+ as U-Boot yet. U-Boot has improved quite a lot thanks to this
+ competitor.\\
\url{http://www.barebox.org}
\end{itemize}
\item There are also a lot of other open-source or proprietary
diff --git a/slides/sysdev-busybox/sysdev-busybox.tex b/slides/sysdev-busybox/sysdev-busybox.tex
index 940744c..2d98791 100644
--- a/slides/sysdev-busybox/sysdev-busybox.tex
+++ b/slides/sysdev-busybox/sysdev-busybox.tex
@@ -51,11 +51,12 @@
\begin{frame}
\frametitle{BusyBox commands!}
- Commands available in BusyBox 1.13
\begin{spacing}{0}
\tiny
- \code{[, [[, addgroup, adduser, adjtimex, ar, arp, arping, ash, awk, basename, bbconfig, bbsh, brctl, bunzip2, busybox, bzcat, bzip2, cal, cat, catv, chat, chattr, chcon, chgrp, chmod, chown, chpasswd, chpst, chroot, chrt, chvt, cksum, clear, cmp, comm, cp, cpio, crond, crontab, cryptpw, cttyhack, cut, date, dc, dd, deallocvt, delgroup, deluser, depmod, devfsd, df, dhcprelay, diff, dirname, dmesg, dnsd, dos2unix, dpkg, dpkg_deb, du, dumpkmap, dumpleases, e2fsck, echo, ed, egrep, eject, env, envdir, envuidgid, ether_wake, expand, expr, fakeidentd, false, fbset, fbsplash, fdflush, fdformat, fdisk, fetchmail, fgrep, find, findfs, fold, free, freeramdisk, fsck, fsck_minix, ftpget, ftpput, fuser, getenforce, getopt, getsebool, getty, grep, gunzip, gzip, halt, hd, hdparm, head, hexdump, hostid, hostname, httpd, hush, hwclock, id, ifconfig, ifdown, ifenslave, ifup, inetd, init, inotifyd, insmod, install, ip, ipaddr, ipcalc, ipcrm, ipcs, iplink, iproute, iprule, iptunnel, kbd_mode, kill, killall, killall5, klogd, lash, last, length, less, linux32, linux64, linuxrc, ln, load_policy, loadfont, loadkmap, logger, login, logname, logread, losetup, lpd, lpq, lpr, ls, lsattr, lsmod, lzmacat, makedevs, man, matchpathcon, md5sum, mdev, mesg, microcom, mkdir, mke2fs, mkfifo, mkfs_minix, mknod, mkswap, mktemp, modprobe, more, mount, mountpoint, msh, mt, mv, nameif, nc, netstat, nice, nmeter, nohup, nslookup, od, openvt, parse, passwd, patch, pgrep, pidof, ping, ping6, pipe_progress, pivot_root, pkill, poweroff, printenv, printf, ps, pscan, pwd, raidautorun, rdate, rdev, readahead, readlink, readprofile, realpath, reboot, renice, reset, resize, restorecon, rm, rmdir, rmmod, route, rpm, rpm2cpio, rtcwake, run_parts, runcon, runlevel, runsv, runsvdir, rx, script, sed, selinuxenabled, sendmail, seq, sestatus, setarch, setconsole, setenforce, setfiles, setfont, setkeycodes, setlogcons, setsebool, setsid, setuidgid, sh, sha1sum, showkey, slattach, sleep, softlimit, sort, split, start_stop_daemon, stat, strings, stty, su, sulogin, sum, sv, svlogd, swapoff, swapon, switch_root, sync, sysctl, syslogd, tac, tail, tar, taskset, tcpsvd, tee, telnet, telnetd, test, tftp, tftpd, time, top, touch, tr, traceroute, true, tty, ttysize, tune2fs, udhcpc, udhcpd, udpsvd, umount, uname, uncompress, unexpand, uniq, unix2dos, unlzma, unzip, uptime, usleep, uudecode, uuencode, vconfig, vi, vlock, watch, watchdog, wc, wget, which, who, whoami, xargs, yes, zcat, zcip}
+ \code{[, [[, acpid, addgroup, adduser, adjtimex, ar, arp, arping, ash, awk, basename, beep, blkid, brctl, bunzip2, bzcat, bzip2, cal, cat, catv, chat, chattr, chgrp, chmod, chown, chpasswd, chpst, chroot, chrt, chvt, cksum, clear, cmp, comm, cp, cpio, crond, crontab, cryptpw, cut, date, dc, dd, deallocvt, delgroup, deluser, depmod, devmem, df, dhcprelay, diff, dirname, dmesg, dnsd, dnsdomainname, dos2unix, dpkg, du, dumpkmap, dumpleases, echo, ed, egrep, eject, env, envdir, envuidgid, expand, expr, fakeidentd, false, fbset, fbsplash, fdflush, fdformat, fdisk, fgrep, find, findfs, flash_lock, flash_unlock, fold, free, freeramdisk, fsck, fsck.minix, fsync, ftpd, ftpget, ftpput, fuser, getopt, getty, grep, gunzip, gzip, hd, hdparm, head, hexdump, hostid, hostname, httpd, hush, hwclock, id, ifconfig, ifdown, ifenslave, ifplugd, ifup, inetd, init, inotifyd, insmod, install, ionice, ip, ipaddr, ipcalc, ipcrm, ipcs, iplink, iproute, iprule, iptunnel, kbd_mode, kill, killall, killall5, klogd, last, length, less, linux32, linux64, linuxrc, ln, loadfont, loadkmap, logger, login, logname, logread, losetup, lpd, lpq, lpr, ls, lsattr, lsmod, lzmacat, lzop, lzopcat, makemime, man, md5sum, mdev, mesg, microcom, mkdir, mkdosfs, mkfifo, mkfs.minix, mkfs.vfat, mknod, mkpasswd, mkswap, mktemp, modprobe, more, mount, mountpoint, mt, mv, nameif, nc, netstat, nice, nmeter, nohup, nslookup, od, openvt, passwd, patch, pgrep, pidof, ping, ping6, pipe_progress, pivot_root, pkill, popmaildir, printenv, printf, ps, pscan, pwd, raidautorun, rdate, rdev, readlink, readprofile, realpath, reformime, renice, reset, resize, rm, rmdir, rmmod, route, rpm, rpm2cpio, rtcwake, run-parts, runlevel, runsv, runsvdir, rx, script, scriptreplay, sed, sendmail, seq, setarch, setconsole, setfont, setkeycodes, setlogcons, setsid, setuidgid, sh, sha1sum, sha256sum, sha512sum, showkey, slattach, sleep, softlimit, sort, split, start-stop-daemon, stat, strings, stty, su, sulogin, sum, sv, svlogd, swapoff, swapon, switch_root, sync, sysctl, syslogd, tac, tail, tar, taskset, tcpsvd, tee, telnet, telnetd, test, tftp, tftpd, time, timeout, top, touch, tr, traceroute, true, tty, ttysize, udhcpc, udhcpd, udpsvd, umount, uname, uncompress, unexpand, uniq, unix2dos, unlzma, unlzop, unzip, uptime, usleep, uudecode, uuencode, vconfig, vi, vlock, volname, watch, watchdog, wc, wget, which, who, whoami, xargs, yes, zcat, zcip}
\end{spacing}
+ \vfill
+ Source: \url{https://busybox.net/downloads/BusyBox.html}
\end{frame}
\begin{frame}
diff --git a/slides/sysdev-embedded-linux/alpinelinux-logo.svg b/slides/sysdev-embedded-linux/alpinelinux-logo.svg
new file mode 100644
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+ style="fill:#0d597f;fill-opacity:1"><path
+ d="M 0,0 C 0,-0.691 -0.366,-6.76 -13.063,-6.76 -25.637,-6.76 -26,-0.691 -26,0 l 0,14.027 -2,0 L -28,0 c 0,-0.896 0.419,-8.76 14.937,-8.76 C 1.577,-8.76 2,-0.896 2,0 l 0,14.027 -2,0 L 0,0 z"
+ style="fill:#0d597f;fill-opacity:1;fill-rule:nonzero;stroke:none"
+ id="path78"
+ inkscape:connector-curvature="0" /></g><g
+ id="g80"
+ transform="translate(584.7756,367.1373)"
+ style="fill:#0d597f;fill-opacity:1"><path
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+ style="fill:#0d597f;fill-opacity:1;fill-rule:nonzero;stroke:none"
+ id="path82"
+ inkscape:connector-curvature="0" /></g></g></svg>
\ No newline at end of file
diff --git a/slides/sysdev-embedded-linux/angstrom.png b/slides/sysdev-embedded-linux/angstrom.png
deleted file mode 100644
index 841c008..0000000
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diff --git a/slides/sysdev-embedded-linux/dash-express-gui.jpg b/slides/sysdev-embedded-linux/dash-express-gui.jpg
deleted file mode 100644
index dff3756..0000000
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diff --git a/slides/sysdev-embedded-linux/openmoko-gui.png b/slides/sysdev-embedded-linux/openmoko-gui.png
deleted file mode 100644
index a97cdb3..0000000
Binary files a/slides/sysdev-embedded-linux/openmoko-gui.png and /dev/null differ
diff --git a/slides/sysdev-embedded-linux/qt-devices.png b/slides/sysdev-embedded-linux/qt-devices.png
new file mode 100644
index 0000000..a7efc46
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diff --git a/slides/sysdev-embedded-linux/roku-netflix-gui.jpg b/slides/sysdev-embedded-linux/roku-netflix-gui.jpg
deleted file mode 100644
index c50a45b..0000000
Binary files a/slides/sysdev-embedded-linux/roku-netflix-gui.jpg and /dev/null differ
diff --git a/slides/sysdev-embedded-linux/sysdev-embedded-linux.tex b/slides/sysdev-embedded-linux/sysdev-embedded-linux.tex
index 0fff5fd..962f83e 100644
--- a/slides/sysdev-embedded-linux/sysdev-embedded-linux.tex
+++ b/slides/sysdev-embedded-linux/sysdev-embedded-linux.tex
@@ -654,17 +654,7 @@ met:
\end{frame}
\begin{frame}
- \frametitle{Gtk examples (1)}
- \begin{columns}
- \column{0.5\textwidth}
- \includegraphics[width=\textwidth]{slides/sysdev-embedded-linux/openmoko-gui.png}\\
- \column{0.5\textwidth}
- Openmoko phone interface
- \end{columns}
-\end{frame}
-
-\begin{frame}
- \frametitle{Gtk examples (2)}
+ \frametitle{Gtk example}
\includegraphics[height=0.6\textheight]{slides/sysdev-embedded-linux/maemo-gui.png}\\
Maemo tablet / phone interface\\
GTK is losing traction, however:
@@ -705,19 +695,17 @@ met:
\item Very well documented
\item Since version 4.5, available under the LGPL, allowing
proprietary applications
+ \item Since version 4.7, LGPL v2 is dropped, leaving LGPLv3 and
+ GPLv3 (and GPLv2 for some parts) as only options, which add
+ more restrictions to proprietary applications.
\end{itemize}
\end{frame}
\begin{frame}
\frametitle{Qt's usage}
- \begin{columns}
- \column{0.5\textwidth}
- \includegraphics[width=\textwidth]{slides/sysdev-embedded-linux/dash-express-gui.jpg}\\
- Qt on the Dash Express navigation system
- \column{0.5\textwidth}
- \includegraphics[width=\textwidth]{slides/sysdev-embedded-linux/roku-netflix-gui.jpg}\\
- Qt on the Netflix player by Roku
- \end{columns}
+ \includegraphics[width=\textwidth]{slides/sysdev-embedded-linux/qt-devices.png}
+ \vfill
+ Source: \url{https://www.qt.io/qt-for-device-creation/}
\end{frame}
\begin{frame}
@@ -1389,23 +1377,25 @@ $(eval $(autotools-package))
\begin{frame}
\frametitle{Embedded distributions}
+ Even if you don't use them for final products, they can be useful
+ to make demos quickly
\small
\begin{columns}
\column{0.8\textwidth}
- Distributions designed for specific types of devices
\begin{itemize}
\item {\bf Android}: \url{http://www.android.com/}\\
- Google's distribution for phones and tablet PCs.\\
+ Google's distribution for phones, tablets, TVs, cars...\\
Except the Linux kernel, very different user space
than other Linux distributions. Very successful,
lots of applications available (many proprietary).
- \item {\bf Ångström}: \url{http://www.angstrom-distribution.org/}\\
- Produces nightly built images for a nice list of ARM and x86
- systems (see \url{http://dominion.thruhere.net/angstrom/nightlies/}
+ \item {\bf Alpine Linux}: \url{https://www.alpinelinux.org/}\\
+ Security oriented distribution based on {\em Musl}
+ and {\em BusyBox}, fitting in about 130 MB of storage,
+ supporting x86 and arm, both 32 and 64 bit.
\end{itemize}
\column{0.2\textwidth}
\includegraphics[width=\textwidth]{slides/sysdev-embedded-linux/android.png}\\
- \includegraphics[width=\textwidth]{slides/sysdev-embedded-linux/angstrom.png}\\
+ \includegraphics[width=\textwidth]{slides/sysdev-embedded-linux/alpinelinux-logo.pdf}\\
\end{columns}
\end{frame}
diff --git a/slides/sysdev-realtime/sysdev-realtime.tex b/slides/sysdev-realtime/sysdev-realtime.tex
index 174ba63..8da8bfd 100644
--- a/slides/sysdev-realtime/sysdev-realtime.tex
+++ b/slides/sysdev-realtime/sysdev-realtime.tex
@@ -509,7 +509,7 @@
some adaptations
\end{itemize}
\item Not all releases of the Linux kernel are supported.
- Most recent: 3.4, 3.6, 3.8, 3.10, 3.12, 3.14, 3.18, 4.0, 4.1, 4.4, 4.6
+ Most recent: 3.10, 3.12, 3.14, 3.18, 4.0, 4.1, 4.4, 4.6, 4.8, 4.9
\item Quick set up:
\begin{itemize}
\item Download the latest PREEMPT\_RT patch\\
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