Search results for "meeting" - WLUG

Northeast Linuxfest April 2, 2011

by Chuck Anderson

Come join me at the Northeast Linuxfest! Saturday, April 2, 10:30 a.m. - 3:00 p.m. FREE registration (optional $30 donation) at http://northeastlinuxfest.org/ Worcester State University Student Center 486 Chandler St. Worcester MA 01602 I've forwarded more details from the BLU list below. ----- Forwarded message from b p <bruce84(a)yahoo.com> ----- From: b p <bruce84(a)yahoo.com> To: discuss(a)blu.org Date: Sun, 20 Mar 2011 19:31:13 -0700 (PDT) Subject: Northeast Linuxfest April 2, 2011 Hey guys - I haven't seen this posted yet so I'm sorry if it has on another list. The Northeast Linuxfest is just around the corner, the event will be held in Worcester MA. We hope you can make it! Jonathan Nadeau of Frostbite systems and he has posted his speakers list for the Northeast Linuxfest. He's got John Maddog Hall! Now you really have no reason not to go! Here is the list of speakers below: 11am Roberto C. Sanchez "Getting Stuff Packaged for Debian." 12pm Jarod Wilson "Intro to GNU/Linux Home Theater PCs" 1pm Jon “Maddog” Hall "GNU/Linux in Education, Government and Business." 2pm Matt Lee "Why Software Should Be Free." So, now that we're two weeks away, I hope to see you all there! Hurry because attendance is filling fast! Details can be found at Northeast Linuxfest - http://northeastlinuxfest.org/ ----- Forwarded message from b p <bruce84(a)yahoo.com> ----- From: b p <bruce84(a)yahoo.com> To: Tom Metro <tmetro-blu(a)vl.com> Cc: discuss(a)blu.org Date: Tue, 22 Mar 2011 05:06:36 -0700 (PDT) Subject: Re: Northeast Linuxfest April 2, 2011 Good morning all, I should have clarified some of the murkier statements made, I apologize for that. Tom, what I put up was the complete schedule of speakers and you are correct the event is FREE. The $30 is optional, this is to help cover costs for the student center space. Red Hat has graciously agreed to sponsor the event. The purpose of this event is to gather linux users for a one day event, mostly to discuss all things linux/unix and to meet other users throughout the area. This is the inaugural event, so based on attendance this year there are plans to hopefully expand the event much like SCALE or any of the other community driven events. As for who Jonathan of Frostbite systems is, his company sells computers with linux installed. He gives a percentage back to the distro that is ordered on the machines. His main focus is selling machines for the blind or visually impaired, which he himself is. He is also the podcaster for both Fedora weekly and Debian. He resides in Worcester MA and of course for more about his company you can checkout - http://www.frostbitesystems.com/ This is not meant as a selling point for the event. He is merely setting this up because he felt there was a need and interest for such an event. Lastly, I don't have a list of exhibitors but I do know the folks at Hacker Public Radio will have a table there. I hope I've addressed all questions. Again sorry for the confusion, I should have proof read the original before sending out. Take care, Bp ----- End forwarded message -----

13 years, 5 months

Re: SBC Options for Network Router

by John Stoffel

David> I would like to build my own network router/gateway and I would like David> some feedback regarding options. This is a good option. David> I would like to separate the WIFI from the router. I plan on David> buying multiple Wireless Access Points to handle WIFI within David> the house and WIFI in the back yard. The backyard WAP will be David> powered over Ethernet. I'm using the TPlink EAP225 at home and I've been pretty happy with them. I've got the Ormada Java controller software running as well. The only annoyance is that if they lose their minds, the default subnet is 192.168.0.x and it defaults to .1 or .10 as I recall. Otherwise they seem to be pretty solid. I recently upgraded from a pair of Netgear WNDR3700s that I was running OpenWRT on. David> Also I want a router distribution that give me lots of David> flexibility in what I can install and is kept up to date with David> regard to security. For my home router I'm using OPNsense running on a PCengines APU with three 1gig network ports. I purposely didn't get the Wifi versions. I've also got a 64gb SSD in there as my boot media, and I'm using very little of the SSD, so I expect it to last quite a while. Now if you add a bunch of modules, I suspect that you really want to get a higher performance system. David> It looks like my choices for distributions are dd-wrt, openwrt, David> and tomahto (tomato). Any thoughts? I've given up on dd-wrt for the APs. It's just too painful to try and figure out which version of the software to use, etc. Maybe openwrt would have been a better choice? But this hardware was getting old and long in the tooth. For years and years I used m0n0wall since it was simple, fast, lightweight and just did the job right. So right now I''ve been using OpnSense for the past three or four years and I'm ok with it for my router. David> So far the only hardware option that I have encountered is David> Seeed Studio's ODYSSEY – X86J4105. It comes with a case and a David> power supply. The project is described in David> https://www.seeedstudio.com/blog/2020/02/24/how-to-build-your-own-openwrt-r… Looks interesting. I'm using the apu2 from pcengines.ch and I like it because it's quiet and low power and handles my home network needs no problem. Probably the three interface version. I like them alot since they're solid state, no moving parts. If you have over 200gbit internet at home, then the APU2 might not meet your needs... but honestly, it's been working really well for me for years. I'm also running the latest 20.3 releasr of OpnSense and it's ... ok. Not wild about the GUI. And if you want to run traffic shaping, or anti-virus or squid proxy, then you will need a bigger box than the APU2 series. But at that point, you may as well find an old PC and use that. Good luck, John

3 years, 10 months

Re: Looking for advice for home server

by Jon "maddog" Hall

Kevin, You might want to take a look at the Freedombox.org software: https://freedombox.org Run your digital services from your home > FreedomBox is a private server for non-experts: it lets you install and > configure server applications with only a few clicks. It runs on cheap > hardware of your choice, uses your internet connection and power, and is > under your control. It has a front panel and was designed for people who are running a home server and are not super-admins, although I do not think that it is "Mom&Pop(TM)" ready either. There is a lot of functionality there.....you do not have to set up everything all at once. 99% of the software has been incorporated into Debian 11 and Debian 12, and therefore runs on a variety of hardware platforms, everything from an old laptop to a Raspberry Pi 5 (which can go up to 8 GB of RAM for 80 USD). The RPi 5 has a PCI-e bus built in and there are "Hats" that allow you to add two M.2 solid state memory cards to set up RAID. The 1 Gbps ethernet connection would probably give you all the throughput you need. md On Sat, Aug 3, 2024 at 4:10 PM Kevin Stratton via WLUG <wlug(a)lists.wlug.org> wrote: > I am looking for a cheap solution for the following: > > 1) Email server/redireector. I want to have a full custom domain and > email addre0ss. > > 2) FTP server on the same domain as the email server. > > 3) GUI setup preferred, I do not want to invest the time (right now) to > get this working as a 'ground up' > > project. > > 4) Total bandwidth needs should be negligible. > > > How would you approach this? > > At a very high level, I am considering: > > 1) Dedicating a DDR3 (RAM) era Intel I3 P.C. (sorry, I don not know the > generation) and installing NAS software with the appropriate docker > plugins, if they exist. I do not know if this is even reasonable. > Suggestions are appreciated. I am using a home ISP account. I am aware > of DynDNS type services to get around the lack of a static IP. I do not > currently plan on using this device as an actual NAS due to security > concerns. If necessary, I will use sneaker-net to transfer data, > although I am thinking about ssh or even RS232. > > 2) Renting out space on a service like Amazon Web services. Maybe they > have an image that is already what I want. > > Any ideas/thoughts/experiences would be appreciated. I hope to be at > the meeting next Thursday. > > > > > > > > > > > > > > > > > _______________________________________________ > WLUG mailing list -- wlug(a)lists.wlug.org > To unsubscribe send an email to wlug-leave(a)lists.wlug.org > Create Account: https://wlug.mailman3.com/accounts/signup/ > Change Settings: > https://wlug.mailman3.com/postorius/lists/wlug.lists.wlug.org/ > Web Forum/Archive: > https://wlug.mailman3.com/hyperkitty/list/wlug@lists.wlug.org/message/4MMUM… >

1 month, 1 week

Re: Wlug digest, Vol 1 #267 - 4 msgs

by Pierce C. Barnard

At 12:01 PM 3/11/2002 -0500, you wrote: >Send Wlug mailing list submissions to > wlug(a)mail.wlug.org > >To subscribe or unsubscribe via the World Wide Web, visit > http://mail.wlug.org/mailman/listinfo/wlug >or, via email, send a message with subject or body 'help' to > wlug-request(a)mail.wlug.org > >You can reach the person managing the list at > wlug-admin(a)mail.wlug.org > >When replying, please edit your Subject line so it is more specific >than "Re: Contents of Wlug digest..." > > >Today's Topics: > > 1. Question (Pierce C. Barnard) > 2. Re: Question (Andy Stewart) > 3. Re: Chart generation tools (John Stoffel) > 4. Re: Chart generation tools (Charles R. Anderson) > >--__--__-- > >Message: 1 >Date: Sun, 10 Mar 2002 21:09:58 -0500 >To: wlug(a)mail.wlug.org >From: "Pierce C. Barnard" <pcbarnard(a)earthlink.net> >Subject: [Wlug] Question >Reply-To: wlug(a)mail.wlug.org > >Hi, I recently purchased SuSE V7.3 and when I shut it down, it hangs while >shutting down all of the system processes. How can I fix this problem with >the shut down proceedure? > > >--__--__-- > >Message: 2 >charset="iso-8859-1" >From: Andy Stewart <andystewart(a)attbi.com> >Organization: Worcester Linux Users' Group >To: wlug(a)mail.wlug.org >Subject: Re: [Wlug] Question >Date: Sun, 10 Mar 2002 21:34:17 -0500 >Reply-To: wlug(a)mail.wlug.org > >On Sunday 10 March 2002 09:09 pm, you wrote: > > Hi, I recently purchased SuSE V7.3 and when I shut it down, it hangs > > while shutting down all of the system processes. How can I fix this > > problem with the shut down proceedure? > > > > _______________________________________________ > > Wlug mailing list > > Wlug(a)mail.wlug.org > > http://mail.wlug.org/mailman/listinfo/wlug > >Hi Pierce, > >I am a SuSE user. I would like to help, but I believe that I need more >information in order to give you an accurate answer. > >Exactly which command are you using to shutdown the system? Can you send >along a snippet of the last few lines of output on the terminal before it >hangs? Does it always hang in the same place? With this type of >information, I believe that the problem can be diagnosed. > >See ya later, > >Andy > >-- >Andy Stewart >Founder >Worcester Linux Users' Group >Worcester, MA, USA >http://www.wlug.org Hello Andy, the error occurs when I log out of KDE. Then at the Linux desktop login window, I select shutdown, and then SuSE is shutting down, it hangs at the point where the drive shares are umounted and then inet says that the system will be halted immediately. It is at this point that SuSE will say that runtime level 0 has been reached, that it has stopped completely. At this point, the system is still running and I can not turn it off, except by turning the power off. What do you think is causing this to happen? and I will be at the WLUG meeting on this Wednesday. Thank you.

22 years, 6 months

Re: [Wlug] Release cycle for RHEL / CentOS 6

by John Stoffel

Just a quick question, but what feature of Python 2.7 did the hook depend on and could it have been re-written to only need Python 2.6 instead? Seems like a lot of work, and now a bunch more dependencies and hacks to rebuild this system when/if it dies, just to make a developer happy. Not saying this is bad... but maybe saying that core production systems should *try* to stay as simple as possible. And no, I don't always follow my own advice here. Just trying to get you to give us more info on your process here, since I think it's a good example of the balance we all have to try and achieve in our $WORK. John Eric> Thank you for your prompt replies! Karl, the iuscommunity repo is exactly Eric> what I needed. Also, it has some other packages that I've had to install Eric> directly so this is even better! thanks guys, see you next meeting. Eric> On Thu, Jun 27, 2013 at 10:03 AM, Karl Hiramoto <karl(a)hiramoto.org> wrote: >> On 06/27/2013 03:47 PM, Daniel J Walsh wrote: >> >> -----BEGIN PGP SIGNED MESSAGE----- >> Hash: SHA1 >> >> On 06/27/2013 09:34 AM, Eric Martin wrote: >> >> Hi All, >> >> The subversion server at my office is on a CentOS 6 server, and a software >> developer wrote a hook in python for it. The hook requires python 2.7, >> but CentOS 6 only has 2.6.6 (python-2.6.6-36.el6 to be exact). >> >> I grabbed python-2.7.2-5.2.fc16.src.rpm from Fedora 16 and am trying to >> roll my own via instructions I found on the CentOS wiki. All is good >> except that it requires db4.8, and that's not out for RHEL6 either. >> >> >From where I stand, it looks like my options are: 1) wait this out until >> either Python or a dependency are pushed up, but when is that? 2) rebuild >> this package with the deps, but I'm not quite sure how to roll a -devel >> package 3) roll my own package from scratch 4) install python 2.7 in an >> alternate location and point to it for this script >> >> Since this is a production server, I'd rather no do any hacks on this. >> Does anybody know how the release schedule works, or have any other >> advice? >> >> Thanks in advance, -- Eric Martin >> >> >> _______________________________________________ Wlug mailing list Wlug(a)mail.wlug.org http://mail.wlug.org/mailman/listinfo/wlug >> >> Look at Software Collections. Not sure if they have python2.7 yet though. >> https://access.redhat.com/site/documentation/en-US/Red_Hat_Developer_Toolse… >> >> >> Some SRPMS of python 2.7 >> >> http://dl.iuscommunity.org/pub/ius/stable/CentOS/6/SRPMS/repoview/ >> >> >> >> >> _______________________________________________ >> Wlug mailing list >> Wlug(a)mail.wlug.org >> http://mail.wlug.org/mailman/listinfo/wlug >> >> Eric> -- Eric> Eric Martin Eric> ---------------------------------------------------------------------- Eric> _______________________________________________ Eric> Wlug mailing list Eric> Wlug(a)mail.wlug.org Eric> http://mail.wlug.org/mailman/listinfo/wlug

11 years, 2 months

Re: Looking for advice for home server

by Tim Keller

Kevin, It's been our experience that hosting your own email server on a consumer ISP is a nightmare. Because of the spam and bots many companies (mine included) simply drop mail from anything that remotely resolves to a consumer ISP IP. There are solutions around this. Amazon has a service (SES) that can front your mail server and will host your MX records. You'll still need to handle a tremendous amount of spam filtering, etc. When you say FTP server I presume you mean SFTP? As for a NAS, you might be interested in something like FreeNAS Scale. It's linux based, it'll run on *anything. *It handles the whole ZFS setup and configuration of services, etc. It also very clearly supports docker and has a nice interface for installing applications. So you can very easily install something like Min.io and now your NAS has S3 bucket capabilities. For security, you might want to think about setting up something like tailscale so you won't have to knock (too many) holes in your firewall to handle the incoming traffic devices and the NAS will be on a private WAN. Tim. On Sat, Aug 3, 2024 at 4:09 PM Kevin Stratton via WLUG <wlug(a)lists.wlug.org> wrote: > I am looking for a cheap solution for the following: > > 1) Email server/redireector. I want to have a full custom domain and > email addre0ss. > > 2) FTP server on the same domain as the email server. > > 3) GUI setup preferred, I do not want to invest the time (right now) to > get this working as a 'ground up' > > project. > > 4) Total bandwidth needs should be negligible. > > > How would you approach this? > > At a very high level, I am considering: > > 1) Dedicating a DDR3 (RAM) era Intel I3 P.C. (sorry, I don not know the > generation) and installing NAS software with the appropriate docker > plugins, if they exist. I do not know if this is even reasonable. > Suggestions are appreciated. I am using a home ISP account. I am aware > of DynDNS type services to get around the lack of a static IP. I do not > currently plan on using this device as an actual NAS due to security > concerns. If necessary, I will use sneaker-net to transfer data, > although I am thinking about ssh or even RS232. > > 2) Renting out space on a service like Amazon Web services. Maybe they > have an image that is already what I want. > > Any ideas/thoughts/experiences would be appreciated. I hope to be at > the meeting next Thursday. > > > > > > > > > > > > > > > > > _______________________________________________ > WLUG mailing list -- wlug(a)lists.wlug.org > To unsubscribe send an email to wlug-leave(a)lists.wlug.org > Create Account: https://wlug.mailman3.com/accounts/signup/ > Change Settings: > https://wlug.mailman3.com/postorius/lists/wlug.lists.wlug.org/ > Web Forum/Archive: > https://wlug.mailman3.com/hyperkitty/list/wlug@lists.wlug.org/message/4MMUM… > -- I am leery of the allegiances of any politician who refers to their constituents as "consumers".

1 month, 1 week

Re: [Wlug] Flat screen monitor 19" needs fixit; free to good home

by E Johnson

Hi Jeff On Jun 28, 2015 12:29 AM, "JeffA Maillists" <jeffa.maillists(a)gmail.com> wrote: > > Hi Liz, > > If nobody else has chimed in, I'll take it. I've fixed a handful of LCDs with capacitor issues, and they're all still in use today. > > I'll use it as a 'preview' monitor at church if I can fix it. ;-) > > Let me know, Thanks! > > Jeff > > On Sat, Jun 27, 2015 at 9:58 PM, E Johnson <iris.gates(a)gmail.com> wrote: >> >> The power went out here twice today. After the second event, monitor seems to have died. >> >> This is an Acer monitor, several years old. Black(ish) bezel; not glossy. Flat screen, I think 19" diagonal. Has been a very nice reliable monitor during its working life. Has choice of DVI input or the older kind of data connection, whatever that used to be. >> >> This specific batch of Acer monitors had used a type of capacitor which is known to have a higher-than-usual failure rate, and this is PROBABLY what it needs. Had a twin of this that fryolated same way 2 years ago, and a WLUG member came by & reported shortly after that he got it up & running with just the replacement of bad caps. >> >> This monitor has been very steady and reliable until this afternoon, with nice display and no dead pixels, ever. So if you are handy with electronics fixits, capacitors are cheap and you could probably get this working again with only a screwdriver, a soldering iron and a little bit of fiddling. Might be nice for the kid's playroom or the back office, or something. >> >> I don't know how nice games look on this monitor, since I don't do gaming. Videos always looked perfectly fine with good color. >> >> PM me if you think you want this, since I have to get down under the work table to unplug the power cord & I'm not as spry as I used to be, but can do as long as my knees aren't required to do anything radical before Noon. Pickup after Noon any day, & evenings even sort-of late-ish are okay. I can meet you at the door with this. I'm in Worcester near Elm Park. >> >> Rather give this away here than trash it, or Freecycle... first dibs to WLUG. >> >> Best wishes, >> Liz J >> >> _______________________________________________ >> Wlug mailing list >> Wlug(a)mail.wlug.org >> http://mail.wlug.org/mailman/listinfo/wlug >> > > > _______________________________________________ > Wlug mailing list > Wlug(a)mail.wlug.org > http://mail.wlug.org/mailman/listinfo/wlug > Hi Jeff power is out here AGAiN tonight --they think back on 3-am --so I have to use this tablet thing but yes nobody has yet desired this monitor and we would be glad if you want to try repairing it. Email me direct please iris.gates(a)gmail.com for pickup time. thanks, Liz j sorry for typos

9 years, 2 months

Re: I need advice on a new ISP

by Althea Shaheen

Oracle cloud has been awesome for me for well over a year now. They provide quite a lot for free and are very good about not letting you enable things that are not free by accident. I just make sure to have good backups of my data there, in case they decide to take it away, but that's good advice with anything really :) On Thu, Apr 13, 2023, at 08:33, Chuck Anderson via WLUG wrote: > I would give a talk on how to set up Oracle Cloud manually--no Ansible > or other automation. > > On Thu, Apr 13, 2023 at 07:59:14AM -0400, Doug Mildram via WLUG wrote: >> Doug/dmildram> The free Oracle cloud >> setup talk sounds awesome. >> >> I'd expect it would take quite some time, >> both for presenter to prepare AND >> maybe even for the meeting timeframe. >> John, I think I may get as well try to >> not learn what Ansible is >> (being less into code control, node >> automation, myself... >> though I've seen an amazing amount >> of interest on them on this group, >> then pondered how we balance the >> various knowledge/skill levels in wlug). >> >> Am I right to assume that for a one-off, >> i.e. one personal/home user wanting >> free cloud storage and maybe email, >> that the Ansible angle should >> be postponed to follow >> a dumber/simpler?? How To talk? >> >> --Background just to expose my mind: >> I was a unix sysadin for decades >> since 1985, but my modern skills got >> out of date around 2000. Fortunately >> for me, I lucked into working with >> Chuck,Frank, many others as a WPI >> network engineer 2010-2019. Thus, >> not a sysadmin any longer but just a >> cubicle wall away from all kinds of >> IT evolution via WPI. Heck, even the >> WPI IT sysadmins leaned a bit?more? >> on the brains in NetOps ! --love, doug >> >> On Wed, Apr 12, 2023, 10:24 PM Chuck Anderson via WLUG <wlug(a)lists.wlug.org> >> wrote: >> >> > On Wed, Apr 12, 2023 at 05:14:31PM -0400, John Stoffel wrote: >> > > > If you can hold your nose, Oracle Cloud offers free forever instances. >> > > > That is where the WLUG website and DNS server is running these days. >> > > >> > > > https://www.oracle.com/cloud/free/ >> > > >> > > > These are probablhy the most relevant free services you could use to >> > > > replicate what you have at home now: >> > > >> > > And what's the price? >> > >> > Free forever. > _______________________________________________ > WLUG mailing list -- wlug(a)lists.wlug.org > To unsubscribe send an email to wlug-leave(a)lists.wlug.org > Create Account: https://wlug.mailman3.com/accounts/signup/ > Change Settings: > https://wlug.mailman3.com/postorius/lists/wlug.lists.wlug.org/ > Web Forum/Archive: > https://wlug.mailman3.com/hyperkitty/list/wlug@lists.wlug.org/message/XTNSW…

1 year, 5 months

Re: [Wlug] non-Linux: Looking for a free kitten locally

by Jamie Guinan

Lol, you're right! And I commend you on your keen eyesight. :) -Jamie On Wed, 12 Aug 2009, Randall Mason wrote: > I feel all betrayed, it says Linux on the bottom, but it's clearley > FreeBSD... > Just kidding about the betrayal, it's more just sadness :-) > > Randall Mason > randall(a)mason.ch > > > On Wed, Aug 12, 2009 at 3:45 PM, Jamie Guinan <guinan(a)bluebutton.com> wrote: > > > > > And just to keep this on topic, here's a picture of a cat and > > Linux: > > > > http://countenance.files.wordpress.com/2009/04/linux-cat.jpg > > > > -Jamie > > > > > > On Wed, 12 Aug 2009, Jamie Guinan wrote: > > > > > > > > I suspect the amount you would pay at the animal shelter would PALE > > > next to what you are going to pay for vet bills, spaying/neutering > > > (usually done around 6 mos as I recall), food, etc. So despite your > > > comment, I'll plug these guys: > > > > > > http://www.worcester-arl.org/catsAdoption.html > > > > > > But for another source, people are giving away kittens all the time > > > on Worcester freecycle. Its a Yahoo groups thing, which totally > > > sucks balls, but I have found good stuff on there from time to time. > > > > > > http://groups.yahoo.com/group/WorcesterMAfreecycle/ > > > > > > Example: > > > > > > Wed Jul 29, 2009 4:50 pm > > > offer: young grey kitten with white paws 01604 > > > > > > -Jamie > > > > > > > > > On Wed, 12 Aug 2009, Tatsh wrote: > > > > > > > I know I have not ever sent an email, but I've been on the mailing list > > > > for some time. Been extremely interested in going to meetings but just > > > > have not done so yet. > > > > > > > > If you are local, and have healthy kittens to give away or know anyone > > > > who does locally (I live in Lancaster, about 20 minutes away from > > > > Worcester), please respond. Looking to just get one, at maximum 5 > > months > > > > old. > > > > > > > > I have been scouring the web and craigslist and have not found much. I > > > > do not really want to drop the amount they want at the local animal > > shelter. > > > > > > > > Any help appreciated. > > > > > > > > Thanks > > > > Andrew > > > > 978-870-5908 > > > > _______________________________________________ > > > > Wlug mailing list > > > > Wlug(a)mail.wlug.org > > > > http://mail.wlug.org/mailman/listinfo/wlug > > > > > > > > > _______________________________________________ > > Wlug mailing list > > Wlug(a)mail.wlug.org > > http://mail.wlug.org/mailman/listinfo/wlug > > >

15 years, 1 month

Re: [Wlug] linux networking question (reformatted for readability)

by Frank Sweetser

This is just a rough guess, but did you ever check on the state tables in your openbsd firewall? In your setup you have state distributed amongst your clients, your firewall, and you NAT gateway, and unless all three are in sync you can easily get the kind of possessed network behavior you describe. On February 7, 2015 3:20:15 PM EST, Brad <bkn(a)ithryn.net> wrote: >(i appologize for the previous message that i completely unreadable.) > >Dear W-LUGgers, > >I had some strange network related behavior that left me baffled and i >wanted >to hear some theories from more experienced network admins. > >The network layout is the following. The network is pretty simple, >external >traffic passes through a bridged-firewall (OpenBSD, my choice) into an >OS X >server (not my choice) which handles NAT/DHCP/DNS et al., and all the >office >computers are dhcp clients to the OS X server. The trouble machines are >linux >(ubuntu) desktop clients. > >The scenario is the following. I was doing work on the bridged firewall >(OpenBSD) and somehow caused it to kernel panic, oopsie! So the >bridged-firewall went down thus no-one had internet access, Dou! i >quickly >bounced the machine. It came back on-line and clients were able to >access the >internet, huzzah! But, the strange behavior was in two linux machines >within >the network that were not able to access some external IPs. My linux >desktop >could not access 8.8.8.8, when pinging, i could see an arp who-has >request >originating from my machine, i could see the packet come into the OS X >server. >But the request always went unanswered. The same behavior happened to >another >linux desktop but with 192.48.178.134 (sgi.com) My desktop could ping >sgi.com. >So each linux desktop had *different* unreachable IPs. The rest of the >internet >was reachable. I tried clearing the arp-cache on the OS X server, then >clearing >the NAT state tables, then I rebooted the OS X server, none solved the >problem. >I finally renewed the dhcp lease on my linux desktop machine and that >allowed >the ping to complete. > >What would case this behavior? Could it be stale arp-cache on the linux >machine? ( I *should* have tried to clear the arp-cache on the linux >machine >before i renewed the dhcp lease, but i didn’t think of that until after >the >fact.) The linux machine was sending out arp who-has requests so would >a stale >cache even matter? Why would no one answer the arp requests? I am not >an expert >network admin (its just a side job since the company is only 15 >people). I >don’t expect to get a resolution but i’m interested to hear any >theories. > >Thanks and cheers, — brad > >PS. As a worcester transplant to boston, i am really jealous i don’t >live >closer to attend meetings. The topics of late sound outstanding. > >_______________________________________________ >Wlug mailing list >Wlug(a)mail.wlug.org >http://mail.wlug.org/mailman/listinfo/wlug -- Sent from my Android device with K-9 Mail. Please excuse my brevity.

9 years, 7 months

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