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• debian modem problems !!!

  - by Raafat

  hay there guys ... I'm a new Debian user, it looks like a very good choice 4 me, every thing is stable, free and easy to use. the problem is, I'm using my modem to establish a dial up connection to the internet (ppp) (a very old stupid way I'm forced to use for now), and using the KPPP application to do that, and nothing is working properly for me. it seems like it didn't recognize my modem or something. i already tried to make a few stuff, and now i know my modem is on /dev/tty0, so i made a link for that on /dev/modem, and query the modem using KPPP and it responded with something like: Ati : Ati0: Ati1: ... ... Ati7: with a textBox to fill up in front of each one of thees Atis, and now, when i press connect on kppp, it says modem ready, and that's it. BTW, my modem is MDC AC'97 any suggestions pleas ....

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• Thinking of Powerline adapters for networking

  - by Henderson McCoy

  will powerline work as good as wifi I am now in a large house (renting a room) and the router is in the front of the house and I am in the back. Don't know if wifi will have the range and stability so I am looking at all the alternatives from running a long cable to powerline. looks like a powerline adapter set will cost about $50 http://www.bestbuy.com/site/Actiontec---500-Mbps-Powerline-Home-Theater-Network-Adapter-Kit/5215483.p?id=1218625358741&skuId=5215483 has anyone use these or other powerline adapters? how is powerlines speed? Are they more stable then wifi? powerline cost is good i am just currious about the performance

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• How to get more NFS packet details from Wireshark?

  - by Joe Swanson

  How can I get Wireshark to give me details about NFS packets at this level of granularity? (as exemplified here here) Specifically, I am interesting in looking at the the "Stable" option toward the bottom. When I analyze captured packets (whether by capturing directly via Wireshark, importing from a tshark dump, or importing from a tcpdump dump), I do not see a "Network File System" section in the packet details. I only get general TCP information. It recognizes that a packet is destined for a NFS port, but I am not able to see these details. Any ideas?

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• how to best config for synflood setup in csf but web response still fast

  - by Binh Nguyen

  my server down random every day 4-5 time cause get high load very quick.. I have install csf and with some config server now stable.. load around 5. BUT the big isuse is : the real user very hard to access website specially from IE browser you can test at xaluan.com the flowing is config using in csf: SYNFLOOD = "1" SYNFLOOD_RATE = "100/s" SYNFLOOD_BURST = "10" CONNLIMIT = "80;30" PORTFLOOD = "80;tcp;70;5" CT_LIMIT = "29" # other config may same as default i playing around with this config for a week but still not work around.. If increase the rate SYNFLOOD_RATE = "140/s" or more.. the website response very fast.. be side have bad effect of server load increase so fast normal 20 and may be up to few hundred in peck time .. my need is response time fast but load still low.. please help thanks ps: server runing nginx frontend, apache, mysql, php ,, the home page has around 70 elements which will cached in browser in fist time access..

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• PHP crashing on occasion - APC error?

  - by papanel

  Any thoughts on this? We've had this happen twice recently. Basically, every page throws a fatal error, fixed by an apache restart. Here's what's in the log, repeated over and over. [Tue Apr 13 15:18:12 2010] [error] [client 10.0.0.2] PHP Fatal error: Internal Zend error - Missing class information for in /www/sites/ep/vogoo/items.php on line 31 [Tue Apr 13 15:18:12 2010] [error] [client 10.0.0.2] PHP Fatal error: Internal Zend error - Missing class information for in /www/sites/ep/vogoo/items.php on line 31 [Tue Apr 13 15:18:13 2010] [error] [client 10.0.0.2] PHP Fatal error: Internal Zend error - Missing class information for in /www/sites/ep/vogoo/items.php on line 31 Looking around, this may be an issue with APC? http://pecl.php.net/bugs/bug.php?id=16120&edit=1 (We're running 3.0.19, which shows as latest stable on pecl.) Thoughts? I increased the amount of memory apc uses, but the problem just happened again.

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• Open source alternative for Canonical Landscape?

  - by netvope

  From Canonical: Landscape is an easy-to-use systems management and monitoring service that enables you to manage multiple Ubuntu machines as easily as one through a simple Web-based interface. However, Landscape is not free. The RedHat counterpart Satellite has a free version called Spacewalk, but it doesn't work on Ubuntu. (There is an attempt to port Spacewalk to Debian, but it doesn't look like it's stable yet.) Are there any open source alternative to Landscape? Better yet, are there any Spacewalk-like software that works for both RedHat-based and Debian-based systems?

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• Options for a site-specific-browser app

  - by cbp

  I would like to have our intranet site accessed through Firefox or Chrome, rather than IE. However we don't want users having access to any other internet sites apart from our intranet, unless they are using IE. I notice that Chrome has what they called 'Hosted Apps' and there is a Firefox spinoff called Prism. Does anyone know whether either of these are suitable? Can you install a Chrome hosted app without giving the user access to other sites through Google Chrome? What about Prism? Are these products stable?

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• Firefox Start page stay white

  - by Jensen

  Hi, I'm a Firefox user since several years so I know it but today I had a strange problem. I installed the last stable version of Firefox (3.5.5) on a computer but when I launch the browser the page stay empty (blank). In the settings I set the startpage as Google but nothing to do. When the browser starts in the address bar it is well written google.com but the page remains blank. I must click on the button in the address bar so that the site appears. I've never had this problem with Firefox, it's strange. Thanks

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• phpMyAdmin says mcrypt is missing, but it's not; cannot log in

  - by GradysGhost

  I've just compiled a web stack on Solaris 10. This is a fairly standard Apache 2 / MySQL 5 / PHP 5 stack with all the most recent stable versions. I dropped phpMyAdmin on the server and set up httpd.conf to get that online. When I browse to the page, login fails, and a persistent message appears beneath the login form: The mcrypt extension is missing. Please check your PHP configuration. However, I compiled PHP with the --with-mcrypt flag. A file, info.php: <?php phpinfo(); ?> shows that mcrypt support is enabled. Running: php -m on the command line shows that mcrypt is loaded. Google hasn't been much help, and I was hoping someone around these parts could throw some help my way. If I need to provide any further detail, please let me know what you need to know.

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• Bringing Google Docs to the Desktop.

  - by Jonathan Sampson

  Is there a stable way of accessing Google Docs (application) from my desktop without having to use a browser on Windows? On my accepted answer... While I did stipulate that I wanted to not use my browser, I didn't really mean I wanted to avoid browser technology. I meant I didn't want to open my browser, type in the web address for google docs, etc. TheTXI's answer required me to download/install nothing more than what I already had (Chrome) to acheive this. It created a desktop icon (similar to an application) that launches me right into my docs (similar to an application), without extra browser-items on the screen. This was an excellent suggestion, and won by virtue of parsimony.

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• ethernet not working

  - by good boy

  i wanted to know how do i setup an ethernet connection on a laptop,my isp gave me a telephone like cable which fits the ethernet port. i guess its the ethernet cable. when i connect it, nothing happens on the pc the ethernet card(realtek pcie gbe family controller) says cable not plugged in. i am using wired connection for first time.the system is completely stable with softwares .the drivers are also automatically updated through a manufacturer installed update system. the isp says there must be some sort of light on the port. whats the problem? how do get it working.

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• IIS 8 Random 503 service unavailable

  - by Ivo

  We migrated a busy website to Windows Server 2012 with IIS 8. The website randomly gives the error "503 service unavailable" after an user presses F5 the error is gone again. The website is build in ASP.NET MVC 3. The website runs on one application pool, with default settings There are around 500 to 900 concurrent users on the website during the day, and the error happens more often when there are more 650 users. The CPU and the memory use on the server is stable. There is nothing about the 503 errors in the application log, the IIS log and the event log. Does anyone has any clue what the problem can be or how we can trace the the problem?

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• New CAT5 cable run is unstable - bad jacks? Bad cable?

  - by BeemerGuy

  This is a little project I'm doing at home. I wanted to wire two rooms together (basically, the router is one room, and the switch is in the second room). So I ran a CAT5 between the two rooms, and wired an RJ45 jack in each room. I then hooked up the two jacks with two CAT5 cable to run it through the cable tester, and all 8 wires seem good. Now, when I connect the switch and the router, the connection is unstable -- I ping the router and it barely holds on for two pings before it disconnects, and stays in that unstable state. Just to make sure the router and the switch are ok, I connected them with long wire between the two rooms and the connection is absolutely stable, and pings continuously. What could be the cause for the unstable connection? Especially that it pings a few times, so there IS a connection. But why is it unstable? And how come the cable tester says it's ok, but it's unstable?

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• GIMP Slow Startup

  - by muntoo

  Is there any way to speed up GIMP's startup time on Windows Vista Home Premium 32-Bit 1.6 [Dual] Intel Processors? On XP [different computer], it loads in less than 3 seconds. On Vista, it takes 20 seconds: 2 Seconds (other - fonts, brushes, etc) 18 Seconds (extension-script-fu) It just freezes at extension-script-fu. Looking at ProcessExplorer (or Task Manager, whatever), I see that it's not taking any CPU. EDIT: it does seem to be taking 50% of the CPU. It gets stuck for about 18 seconds, then starts working again, and the actual GIMP program pops up [...finally]. I have the latest stable version running (I think). I tried it with XP SP2 Compatibiliy mode and/or Run As Administrator, but that didn't help. EDIT: One way would be to disable script-fu. Does anyone know how to disable it at startup? (NOTE: Just wanted to point out that the title and the tags are the same. :D )

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• After restart desktop totally black, taskbar visible, can't click items in Windows Explorer

  - by Abel

  Situation: Windows Vista, latest updates. After restarting to complete an installation, I find myself looking at a totally black windows desktop without any icons. The start menu and taskbar, including quickstart icons, appears. Some, but not all task bar tray icons appear. The systems seems stable. When I open Windows Explorer and click "desktop" in the folder treeview, the cursor immediately jumps back to the previously selected item. No error. Same when clicking on my user's profile or my documents. When I try "save as" in, say, Notepad, nothing happens, the dialog box (which defaults to "my documents") doesn't even show. Again, no error. Nothing serious afaict in the event log. Typing something in Start Search shows "Search failed to initialize". Most programs, including Internet Explorer, Firefox etc work as expected. Anybody ever encountered such abomination?

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• best filesystem for an aws s3 like service

  - by gucki

  Hi! I need to build a fault tolerant, highly available key/value storage (no posix, only same functionaluty as S3) using cheap existing hardware. The storage should be able to handle several billions of items. The maximum size of items is around 1GB, most are only several KB. What's the best software/ filesystem for this task? I already had a brief look at mogilefs, mongodb (grid-fs) & glusterfs but I'm not really sure which is stable & fault tolerant enough. The simpler the setup and later expansion the better :). Corin

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• Recommend a wireless PCI card for Windows 7

  - by Dan

  I have a crummy RT2500-based 11g card which does work in Win7 with the Vista driver (3.2.0.0) but it dies about every two hours or so. Googling around has led me to conclude that Ralink drivers are basically borked, and that I need something else for a stable connection. Can anyone recommend a suitable wireless adapter? It needs to be: 802.11g - draft-N nice but not at all essential. PCI - I already have far more USB devices than can possibly be good for me. Very reliable. Money isn't an object within reason. All input gratefully received!

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• Anytime I upload something, my internet slows down extremely. What can I do?

  - by Earlz

  Title says it all. For a bit more info though: Basically, I have Time Warner cable internet. My speeds maintain a stable 2Mbit/s upload and 20Mbit/s download with average ping times around 30ms. This crazy thing happens though when I upload anything. I went to upload a 200M file to my server today through sftp and my internet completely choked up. I speed tested it during this upload and my ping time was around 800ms, download speeds of 0.2Mbit/s and Upload speeds of 0.3Mbit/s. Note, I wasn't downloading anything during this time either. It is just straight upload. What is it that causes this phenomenon? My router is OpenBSD. Is there anything I could set up to fix this problem(by queues or some such), or is this a problem with cable internet?

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• OpenAFS on Fedora/CentOS

  - by Michael Pliskin

  I am trying to see if OpenAFS fits my needs as a distributed filesystem and is a bit stuck. There are docs but they're all quite hard to understand, so asking for some expert advice here. My questions: which version to install? I need windows client support so I need 1.5 - right? But it is not stable.. Or is it? And don't see any pre-built rpms for it, so compiling from sources? tried to compile and it worked but it created a non-"mp" kernel module while my kernel needs an mp one - how to workaround that? do I really need a new fresh partition to start with or I can re-use an existing one and just make it available via afp? any nice HOWTOs around?

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• MikroTik ipv6 Tunnel

  - by MikeSmitty

  I've got a MikroTik router set up with the latest stable OS on it, and I just set up an ipv6 tunnel with Hurricane Electric, but I'm having an odd issue with it. I can't ping anything until I first ping the tunnel endpoint on HE's side. After that I can ping any ipv6 address fine, but give it a little time (say, maybe 30 sec) and I can't ping any ipv6 addresses again. Whenever it stops allowing ping to go through I notice the counter on my firewall rule that drops invalid connections goes up. this is my ipv6 firewall config: add action=accept chain=input comment="" connection-state=established \ disabled=no in-interface=sit1 add action=accept chain=input comment="" connection-state=related disabled=no \ in-interface=sit1 add action=accept chain=input comment="" disabled=no in-interface=bridge \ src-address=ipv6_address_here/64 add action=drop chain=input comment="" connection-state=invalid disabled=no \ in-interface=sit1 add action=drop chain=input comment="" disabled=no in-interface=sit1 Any ideas on what it could be?

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• Basic video editor for AVCHD Lite files?

  - by davr

  I have a camera (Panasonic Lumix GF-1) that outputs "AVCHD Lite" files, 720p h264 in a MTS container. I saw this question that said Movie Maker in Windows 7 supports AVCHD...but I just tried, and unfortunately it does not support AVCHD Lite. Are there any free or inexpensive non-linear video editors (NLE) that can natively handle AVCHD Lite files, without requiring some 3rd party driver? If not, are there any 3rd party drivers that are especially stable? (In my experience they usually have some problems...I got AVCHD Lite loading into VirtualDub using a 3rd party plugin, but it's very slow and sometimes crashes, and seeking takes ages.

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• Debian modem problem

  - by Raafat

  I'm a new Debian user, it looks like a very good choice 4 me, every thing is stable, free and easy to use. The problem is, I'm using my modem to establish a dial up connection to the internet (ppp) (a very old stupid way I'm forced to use for now), and using the KPPP application to do that, and nothing is working properly for me. it seems like it didn't recognize my modem or something. I already tried to make a few stuff, and now i know my modem is on /dev/tty0, so i made a link for that on /dev/modem, and query the modem using KPPP and it responded with something like: Ati : Ati0: Ati1: ... ... Ati7: with a textBox to fill up in front of each one of thees Atis, and now, when i press connect on kppp, it says modem ready, and that's it. BTW, my modem is MDC AC'97

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• dead man's switch for remote networking interventions

  - by ascobol

  Hi, As I'm going to change the network configuration of a remote server, I was thinking of some security mechanisms to protect me from accidentally loosing control on the server. The level-0 protection I'm using is a scheduled system reboot: # at now+x minutes > reboot > ctrl+D where x is the delay before reboot. While this works relatevly well for very simple tasks like playing with iptables this method has at least two drawbacks: It's not very reactive, ie a connectivity problem should be detected automatically if for example an automatic remote ssh command fails does not work anymore for x seconds. It can obviously not work if one need to modify some configuration files and then reboot to test the changes. Are you guys using some tool for the second point ? I would love to have something able to revert the system configuration in a previously known stable state if I can't join the server X minutes after reboot. Thanks!

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• Guacamole on KVM

  - by Siem Hermans

  I currently run a deployment where I provide virtual machines to circa 25 users through ESXi over the VMWare WSX web portal. This works, no doubt about it, it is fast, stable and reliable enough for the end users. However I stumbled across the Guacamole project (Link: http://guac-dev.org/) and the KVM project (Link: http://www.linux-kvm.org/). I must say I am no genius when it comes to Linux but I am interested in replacing the ESXi and WSX combination with a Guacamole and KVM deployment. I have seen people across the internet use ESXi in combination with Guacamole (mostly prior to the release of WSX), but I have yet to see someone use it in conjunction with KVM. Considering my amount of knowledge on Linux in general I would like to ask: Is it possible at all to combine the two?

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• CentOS and Snapshots

  - by Jonathan Sampson

  I'm planning on purchasing a virtual-dedicated server today and would like to pass a quick question by the community here before I do. I'm likely going to be getting CentOS, as that seems to be a pretty stable, and popular distro from what I can tell. One of the companies I contacted (MediaTemple) mentioned they provide snapshots just incase I start doing something that could potentially cripple my server - I could always restore the last snapshot. Another company (GoDaddy) said they would provide routine snapshots once a day, week, or month and back it up to a remote FTP for me to download. My question is this, is the "snapshot" capability provided in the OS itself? I'm not super-confident in my abilities yet to manage a server, so this functionality would be very attractive. Or, do I need to pick a host that provides this as an extra addon to the already rendered services?

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