Re: [Haifux] lecture proposal
On Mon, Apr 02, 2007 at 04:10:08PM +0300, boazg wrote: i was wondering if there is enough interest for a lecture on AIX? I don't quite see how a talk about a proprietary OS fits Haifux's charter? Cheers, Muli - Haifa Linux Club Mailing List (http://www.haifux.org) To unsub send an empty message to [EMAIL PROTECTED]
Re: [Haifux] lecture proposal
I certainly trust Boaz's judgement on this one. Besides, the way the queue looks, it seems like even two hours on the benefits and issues of Rocket Jumping in various versions of Quake would be a welcome lecture :/ On 4/5/07, Orr Dunkelman [EMAIL PROTECTED] wrote: I looked in the website for our charter ;), We had in the past talks about proprietary software (at the early beginning). In any case, if Boaz is giving the lecture, I'm sure he will be able to address relevant issues. Orr. On 4/5/07, Muli Ben-Yehuda [EMAIL PROTECTED] wrote: On Mon, Apr 02, 2007 at 04:10:08PM +0300, boazg wrote: i was wondering if there is enough interest for a lecture on AIX? I don't quite see how a talk about a proprietary OS fits Haifux's charter? Cheers, Muli - Haifa Linux Club Mailing List (http://www.haifux.org) To unsub send an empty message to [EMAIL PROTECTED] -- Orr Dunkelman, [EMAIL PROTECTED] , [EMAIL PROTECTED] Any human thing supposed to be complete, must for that reason infallibly be faulty -- Herman Melville, Moby Dick. Spammers: http://vipe.technion.ac.il/~orrd/spam.html GPG fingerprint: C2D5 C6D6 9A24 9A95 C5B3 2023 6CAB 4A7C B73F D0AA (This key will never sign Emails, only other PGP keys.) -- Protect your digital freedom and privacy, eliminate DRM, learn more at http://www.defectivebydesign.org/what_is_drm Ohad Lutzky - Haifa Linux Club Mailing List (http://www.haifux.org) To unsub send an empty message to [EMAIL PROTECTED]
Re: [Haifux] lecture proposal
Muli Ben-Yehuda wrote: I don't quite see how a talk about a proprietary OS fits Haifux's charter? Lecture #79: Random numbers Lecure #81: Multilingual typesetting Lecture #95: Hebrew fonts Lecture #114-SIL: Intro to Alice, Bob and Eve: a glimpse of [EMAIL PROTECTED] Haifux' charter has always been that if there's an audience, there's a lecture. Eli -- Web: http://www.billauer.co.il - Haifa Linux Club Mailing List (http://www.haifux.org) To unsub send an empty message to [EMAIL PROTECTED]
Re: [Haifux] Yum problems from the Technion
Hi, I am getting the same problem on the Linux stations in the farm. The problem has appeared before for a while, then stopped and started again about a week before Pesach. Haven't managed to solve the problem but if anyone finds a solution it would greatly help me too. Dave (from the CS Linux support team) On 4/4/07, Dan Kenigsberg [EMAIL PROTECTED] wrote: For quite a while I have a problem updating yum from within the Technion. I keep getting [Errno -1] Header is not complete. Trying other mirror. AFTER an rpm is downloaded. I read around that this may stem in a faulty transparent proxy. However, I failed to track it down, or even confirm that. Anyone here encountered/solved this problem? (and in solving I do not count tunneling out of the Technion, and using a remote proxy. This works for me.) -- Dan Kenigsberghttp://www.cs.technion.ac.il/~dankenICQ 162180901 - Haifa Linux Club Mailing List (http://www.haifux.org) To unsub send an empty message to [EMAIL PROTECTED]
Re: [Haifux] lecture proposal
On Thu, 5 Apr 2007, Eli Billauer wrote: Date: Thu, 05 Apr 2007 16:51:13 +0200 From: Eli Billauer [EMAIL PROTECTED] To: Haifa Linux Club haifux@haifux.org Cc: Muli Ben-Yehuda [EMAIL PROTECTED], boazg [EMAIL PROTECTED] Subject: Re: [Haifux] lecture proposal Muli Ben-Yehuda wrote: I don't quite see how a talk about a proprietary OS fits Haifux's charter? Lecture #79: Random numbers Lecure #81: Multilingual typesetting Lecture #95: Hebrew fonts Lecture #114-SIL: Intro to Alice, Bob and Eve: a glimpse of [EMAIL PROTECTED] Haifux' charter has always been that if there's an audience, there's a lecture. Eli There is a difference between general computer science topics, such as random numbers (btw, at the end of the lecture, /dev/random and /dev/urandom were discussed) and proprietary software. The Hebrew fonts were released under a free license, and are needed in order to view MS documents on a Linux system. The typesetting lecture was a broader topic of TeX, FOSS. We also hosted a lecture about CC. As I see it, Haifux is not an OS club. When the idea of having a lecture about Windows drivers was brought up, I (and others) objected for the same reason. I think lecture 6 is the only totally proprietary lecture we had, and this was indeed before my time. Orna. -- Orna Agmon Ben-Yehuda http://ladypine.org/ ICQ: 348759096 - Haifa Linux Club Mailing List (http://www.haifux.org) To unsub send an empty message to [EMAIL PROTECTED]
[Haifux] another lecture proposal
If there's interest, I'll be happy to give this talk I'll be giving at OLS '07 at Haifux as well. The Price of Safety: Evaluating IOMMU Performance IOMMUs, IO Memory Management Units, are hardware devices that translate device DMA addresses to machine addresses. Isolation capable IOMMUs perform a valuable system service, preventing rogue devices from performing errant or malicious DMAs, thereby substantially increasing the system's reliability and availability. Without an IOMMU, a peripheral device could be programmed to overwrite any part of the system's memory. An isolation capable IOMMU restricts a device so that it can only access parts of memory it has been explicitly granted access to. Operating systems utilize IOMMUs to isolate device drivers; hypervisors utilize IOMMUs to grant secure direct hardware access to virtual machines. With the imminent publication of the PCI-SIG's IO Virtualization standard, as well as Intel and AMD's introduction of isolation capable IOMMUs in all new servers, IOMMUs will become ubiquitous. IOMMUs can impose a performance penalty due to the extra memory accesses required to perform DMA operations. The exact performance degradation depends on the IOMMU design, its caching architecture, the way it is programmed and the workload. In this paper, we present the performance characteristics of the Calgary and DART IOMMUs in Linux, both on bare metal and hypervisors. We measure the throughput and CPU utilization of several IO workloads with and without an IOMMU and analyze the results. We then discuss potential strategies for mitigating the IOMMU's costs. We conclude by presenting a set of optimizations we have implemented and the resulting performance improvements. Cheers, Muli - Haifa Linux Club Mailing List (http://www.haifux.org) To unsub send an empty message to [EMAIL PROTECTED]
Re: [Haifux] lecture proposal
We don't have a charter! Unless something changed in the last few months. The question whether AIX is something Linux people want/need to know about. Knowing the way other UNIXes work seems to me in the scope of haifux (and actually even the way windows drivers work, so we could understand the problems faced by people who want to import windows drivers and use them in Linux). May I suggest that Boaz will write some general description of the talk (few basic slides) so we'll have a better and more constructive discussion? Orr. On 4/5/07, Orna Agmon Ben-Yehuda [EMAIL PROTECTED] wrote: On Thu, 5 Apr 2007, Eli Billauer wrote: Date: Thu, 05 Apr 2007 16:51:13 +0200 From: Eli Billauer [EMAIL PROTECTED] To: Haifa Linux Club haifux@haifux.org Cc: Muli Ben-Yehuda [EMAIL PROTECTED], boazg [EMAIL PROTECTED] Subject: Re: [Haifux] lecture proposal Muli Ben-Yehuda wrote: I don't quite see how a talk about a proprietary OS fits Haifux's charter? Lecture #79: Random numbers Lecure #81: Multilingual typesetting Lecture #95: Hebrew fonts Lecture #114-SIL: Intro to Alice, Bob and Eve: a glimpse of [EMAIL PROTECTED] Haifux' charter has always been that if there's an audience, there's a lecture. Eli There is a difference between general computer science topics, such as random numbers (btw, at the end of the lecture, /dev/random and /dev/urandom were discussed) and proprietary software. The Hebrew fonts were released under a free license, and are needed in order to view MS documents on a Linux system. The typesetting lecture was a broader topic of TeX, FOSS. We also hosted a lecture about CC. As I see it, Haifux is not an OS club. When the idea of having a lecture about Windows drivers was brought up, I (and others) objected for the same reason. I think lecture 6 is the only totally proprietary lecture we had, and this was indeed before my time. Orna. -- Orna Agmon Ben-Yehuda http://ladypine.org/ ICQ: 348759096 - Haifa Linux Club Mailing List (http://www.haifux.org) To unsub send an empty message to [EMAIL PROTECTED] -- Orr Dunkelman, [EMAIL PROTECTED], [EMAIL PROTECTED] Any human thing supposed to be complete, must for that reason infallibly be faulty -- Herman Melville, Moby Dick. Spammers: http://vipe.technion.ac.il/~orrd/spam.html GPG fingerprint: C2D5 C6D6 9A24 9A95 C5B3 2023 6CAB 4A7C B73F D0AA (This key will never sign Emails, only other PGP keys.)
Re: [Haifux] lecture proposal
Ladies and gentlemen, Sincerely, I can't see the point of this discussion. A group of people wants to meet for a lecture. What reason in the world could there be to stop it? I mean, for all I care, if someone wants to make a lecture about how to manufacture icecream at home (with no computer or OS involved), and enough people are interested, why not? One could argue that lectures about any subject would overfill the queue. Well, if that happens, I'm sure someone will find an elegant solution. Let's leave this kind of arguments to the religoux-il list. Eli -- Web: http://www.billauer.co.il - Haifa Linux Club Mailing List (http://www.haifux.org) To unsub send an empty message to [EMAIL PROTECTED]
Re: [Haifux] lecture proposal
AFAIK the latest version of AIX (AIX 5L) is based on Linux (at least this is what I heard that the 'L' stands for), so I think that there is definitely a big connection with Linux and AIX if anyone cared about it. Other than that, I agree with Eli. Emil On Thu, 5 Apr 2007, Eli Billauer wrote: Ladies and gentlemen, Sincerely, I can't see the point of this discussion. A group of people wants to meet for a lecture. What reason in the world could there be to stop it? I mean, for all I care, if someone wants to make a lecture about how to manufacture icecream at home (with no computer or OS involved), and enough people are interested, why not? One could argue that lectures about any subject would overfill the queue. Well, if that happens, I'm sure someone will find an elegant solution. Let's leave this kind of arguments to the religoux-il list. Eli -- Web: http://www.billauer.co.il - Haifa Linux Club Mailing List (http://www.haifux.org) To unsub send an empty message to [EMAIL PROTECTED] - Haifa Linux Club Mailing List (http://www.haifux.org) To unsub send an empty message to [EMAIL PROTECTED]
Re: [Haifux] lecture proposal
On Thu, Apr 05, 2007 at 07:38:05PM +0300, Kohn Emil Dan wrote: AFAIK the latest version of AIX (AIX 5L) is based on Linux (at least this is what I heard that the 'L' stands for), I think there are a few hundred AIX developers who would be very suprised to hear that! Cheers, Muli - Haifa Linux Club Mailing List (http://www.haifux.org) To unsub send an empty message to [EMAIL PROTECTED]
Re: [Haifux] lecture proposal
Hear hear. People are interested, we should have the lecture. If anyone isn't interested, simply don't show up. (Liking the ice-cream manufacturing idea... Boaz?) -- Protect your digital freedom and privacy, eliminate DRM, learn more at http://www.defectivebydesign.org/what_is_drm Ohad Lutzky - Haifa Linux Club Mailing List (http://www.haifux.org) To unsub send an empty message to [EMAIL PROTECTED]
Re: [Haifux] lecture proposal
actually, while on the subject of 'proprietary', any idea where i can get an AIX system for lecture time demonstrations, anyone? any PowerPC RS/6000's laying around? On 4/5/07, boazg [EMAIL PROTECTED] wrote: On 4/5/07, Kohn Emil Dan [EMAIL PROTECTED] wrote: AFAIK the latest version of AIX (AIX 5L) is based on Linux (at least this is what I heard that the 'L' stands for), so I think that there is definitely a big connection with Linux and AIX if anyone cared about it. Other than that, I agree with Eli. the L stands for linux, true. it is there to claim a linux affinity, which ironically involves no code whatsoever from linux itself. it doeas, however involve lots of FOSS. it's much like sun's SFW. furthermore, i love ice-cream manufacturing. anyone want a lecture?
