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ru.linux- RU.LINUX --------------------------------------------------------------------- From : Sergey Lentsov 2:4615/71.10 12 Jan 2001 02:33:49 To : All Subject : URL: http://lwn.net/2001/0111 --------------------------------------------------------------------------------
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Recent features:
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- [35]Lineo's IPO filing
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- [41]The FSL Cluster
Here is the [42]permanent site for this page.
See also: [43]last week's LWN.
Leading items and editorials
The 2.4.0 kernel is out, finally. In a move timed to conflict badly
with LWN's weekly edition publication cycle, Linus Torvalds
[44]announced the release of the 2.4.0 kernel on January 4. It has
been a long wait, but the end product was well worth it. Much has been
said about what's in this release: fine-grained locking (and thus
better SMP scalability), Itanium support, 64GB memory support, devfs,
completely rewritten firewalling, raw I/O, greatly increased device
support, etc. Those looking for a comprehensive list of new features
may want to have a look at Joseph Pranevich's [45]Wonderful World of
Linux 2.4 document.
Some people have questioned whether this kernel is really ready for a
stable release, considering that patches were going in at a steady
rate right until the end. The answer to that question, simply, is that
it is as ready as it could be made to be. All of the major problems
which could be found by people who run development kernels have been
found. There are certainly problems remaining in this kernel, but it
is going to take a new, larger community of users to flush them out.
Last October, LWN [46]wrote about the need to get the user community
involved in testing of software releases. There is a price to pay for
the benefits of free software, and helping to find the last glitches
is part of that price. But many people won't do that testing until
they see a real release. Linus has [47]explicitly recognized the need
to widen the testing community in this way:
But that's very different from having somebody like RedHat, SuSE or
Debian make such a kernel part of their standard package. No, I
don't expect that they'll switch over completely immediately: that
would show a lack of good judgment. The prudent approach has always
been to have both a 2.2.19 and a 2.4.0 kernel on there, and ask the
user if he wants to test the new kernel first.
That way you get a completely different kind of user that tests it.
So 2.4.0 may not be perfect, but it was released at this stage for a
reason. When the first silly problem turns up some will probably
complain that it was rushed out for PR reasons, but that is certainly
not the case. 2.4.0 was not "rushed" in any way.
And it is quite stable for almost all those who try it.
--- jmc ---
Linux, PDAs and the consumer. The Personal Digital Assistant - PDA -
has become the indispensable device for the new millennium that the
Apple II was to the spike haired world of the 1980's. Linux users are
constantly on the prowl for ways to use their favorite OS with the
latest portable device, from the popular [48]Palm Pilot to the
[49]Compaq iPAQ handheld to the [50]G.Mate Yopy. All of these devices
come with standard notepads, address books, and calendaring tools.
Some, like the iPAQ and Yopy, run either with Linux as their OS or can
be installed with Linux while others, like the Palm, simply have
various Linux-based tools for syncing data between the device and a
Linux PC.
Finding a PDA that runs Linux turns out to be simpler than finding
software for syncing data between the PDA and the PC. The reason is
not because syncing is hard to do - with the Pilot [51]it's rather
simple - it lies in the fact that marketing is only concerned with
hardware sales. Software is free, and syncing to Linux-based PDAs
often requires nothing more than the use of existing network tools.
So how do we find out which PDAs will be preinstalled with Linux? You
can start with the newly announced [52]Linux/PDA Quick Reference Guide
from [53]LinuxDevices.com. This guide provides information on PDAs
that use Linux as their internal operating system, Linux-based
operating system packages that support multiple PDAs, plus a list of
relevant articles for further reading. They also carry older articles
on the same subject:
* [54]Exploring Linux PDA software alternatives
* [55]VTech Helio PDA
* [56]Hacking the iPAQ with Linux, for fun and profit
* [57]PocketLinux taps Jabber to bring XML messaging to devices
And what about news this week, you ask? Well, earlier this week
Conversay announced they will incorporate their [58]speech recognition
and text synthesis engine into the Yopy. The completed product is
expected to be released in the first quarter of 2001. And Agenda
Computing, Inc. announced it would demonstrate its [59]$199 Agenda VR3
Linux-based handheld during the Consumer Electronics Show this past
week. Finally, Wired's look at the Consumer and Electronics Show (CES)
in Las Vegas suggested that there is yet another Linux-based PDA on
the horizon. The StrongARM based [60]Linia, which sports 16MB of
memory and 8MB of flash memory, runs Linux and comes from Royal
Electronics.
With all these PDA's floating around, where is the syncing software?
You know, that software that lets you keep your PC in sync with your
mobile data. For most Palm users the answer is simple: the
[61]Pilot-Link software tools handle the chore manually but
gracefully. This is a set of command line tools, one each for Memos,
Todo lists, and for transferring Palm database and program files in
general, plus a lot of extras. The package is not very user friendly -
no graphical interfaces. Fortunately, a slew of GUI-based tools also
exist: [62]JPilot, [63]KPilot, [64]GNOME-Pilot, and [65]XNotesPlus, to
[66]name a few. Information for using the [67]Psion is also available
online. Most Linux-based PDAs (those which run Linux as their OS) tend
to use regular network tools (rsync, ftp, and so forth) to transfer
files to and from the device, so special software really isn't
necessary. In fact, on some devices (like the Agenda) you can
[68]remotely log in to the system. The [69]PocketLinux project will
provide even more seamless integration between PC and PDA using Linux
on the PDA along with Java (Kaffe) and XML.
But what exactly does a PDA do? PDAs are simply mobile data folders.
The data there still eventually ends up on your PC. That situation
will remain for the foreseeable future, at least until internet
appliances have reached a much larger level of acceptance by the
general public. This week, a few more tentative steps were taken
towards reaching that acceptance. The developers of the empeg car
radio, JB Design of Petworth (United Kingdom) were selected to
[70]produce the PenguinRadio internet appliance for [71]PenguinRadio,
Inc. While satellite bandwidth may bring in higher quality audio
streams, it remains to be seen if [72]radio stations will be allowed
to play them.
In the true consumer mode, where the consumer will never know they
have Linux, DaimlerChrylser showed us what cool will look like in the
future. The auto maker introduced its newest concept car - the Dodge
Super8 Hemi - at the North American International Auto Show. The buzz:
[73]It's Linux based multiple-PC Infotronic system is running Red Hat
6.2. "Each computer contains a miniature (PC/104 based) PC compatible
computer board running Red Hat Linux 6.2. At the moment, the concept
car prototypes contain large amounts of system RAM (128MB) along with
multi-gigabyte disk storage, in order to ease the pain of the software
developers."
Linux and PDAs are good partners for many reasons, but for the
consumer it's a toss up. On one hand the devices running Linux are
plentiful, but on the other hand they aren't in production. On one
hand software to sync devices exist, but on the other hand
manufacturers don't explicitly support that software.
That's too many hands, but then who ever said the Linux world didn't
offer options?
--- mjh ---
Interview: Bruce Momjian. Thanks, once again, to Maya Tamiya of
[74]ChangeLog, we are happy to present [75]this interview with Bruce
Momjian, conducted at the Linux Conference 2000 Fall in Kyoto, Japan.
Bruce, of course, is one of the [76]PostgreSQL core developers and is
also the Vice President of Database Development at Great Bridge. The
interview covers a wide range of topics, including the current state
of PostgreSQL, licensing issues, Great Bridge and corporate
involvement with PostgreSQL in general, and much more.
For those with low-bandwidth connections, there is also a
[77]low-image version of the interview available.
The Filesystem Hierarchy Standard v2.2 is coming. The FHS is part of
the the [78]Linux Standard Base project; its purpose is to define the
proper locations for files in the system. Application writers need to
know where to find (and put) things if they are to write programs
which work on multiple distributions, so this effort is important.
The 2.2 revision specifies more things, cleans up some obsolete
things, fixes mistakes, and generally is a more comprehensive
standard. It is still far from complete, however; but completeness may
not be a reachable goal. For example, there is still no specification
of where boot-time initialization scripts should live - a major
incompatibility between distributions, currently.
At one point the LSB planned to resolve this kind of issue by
specifying an "install init script" command instead of a file
location. That is a perfectly good solution, but it does point out the
need for a complete Linux Standard Base. The FHS is a good standard as
far as it goes, and it has brought about some consistency between
distributions. But it can't do the whole job.
(See Rusty Russell's [79]FHS page for information on the changes going
into 2.2, or to download the entire document).
Berlios software repository. LWN suggested that [80]alternatives to
Sourceforge - for the sake of competition - would be a good thing.
Well, recently a new project at at the German GMD Institute has
appeared, called [81]Berlios (in German). According to our source,
this project is the result of discussions between open source
developers and government officials at the 1999 Wizards of OS
conference. For more information in English, check the [82]developer
site instead. (Thanks to Florian Cramer).
Technocrat.net shuts down. Bruce Peren's online magazine
[83]Technocrat.net is [84]closing down. For the past year and a half
the site has focused on technology policy in an attempt to educate
policy makers as well as the general public on how technology should
be viewed and how it should be used. It has developed a small but
strong following; its founder, however, was evidently hoping for more.
According to Bruce:
I've not had enough time to run the site, and plans to fund a
professional staff for the site fell through. Readership has gone
low enough that there's no longer much reason to keep the site
alive. Thus, I will no longer be accepting new articles or
comments, and will take the site down in a week or so.
Technocrat was a valuable resource, and it will be missed.
Inside this week's Linux Weekly News:
* [85]Security: Free Intrusion Detection Systems, security reports
for Reiserfs, IBM HTTP, lots of new tmp races, LinuxPPC updates.
* [86]Kernel: 2.4.0 is out - what next? Zero-copy networking.
* [87]Distributions: New CD-based distributions, Debian,
Linux-Mandrake and Slackware News, additional mini-distribution
updates.
* [88]Development: Mozilla 0.7, Compaq OSDB, Mailman 2.0.1, Spork,
and TCL Wrapping.
* [89]Commerce: Turbolinux to sell IBM Linux-based software, For the
Desktop, SlickEdit, Opera and more.
* [90]Back page: Linux links, this week in Linux history, and
letters to the editor.
...plus the usual array of reports, updates, and announcements.
This Week's LWN was brought to you by:
* [91]Jonathan Corbet, Executive Editor
* [92]Elizabeth O. Coolbaugh, Managing Editor
* [93]Michael J. Hammel, Senior Editor
January 11, 2001
[94]Click Here
[95]Click Here
[96]Next: Security
[97]Eklektix, Inc. Linux powered! Copyright Щ 2001 [98]Eklektix, Inc.,
all rights reserved
Linux Ю is a registered trademark of Linus Torvalds
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