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• Networking "chokes" on Windows 7 64 bit

  - by Rohit Nair

  I've been having this problem for some months now, and I have been unable to figure out a solution, or even the cause. At random points throughout the day, my internet connectivity "freezes". I don't get disconnected from my local wireless network. My router doesn't get disconnected from the world. However, for some reason, my computer stops receiving packets. If I'm playing an MMO ( World of Warcraft, in this case, but it has happened with Eve Online as well ) all activity just freezes. If I try to browse, Opera, Firefox and IE all stall at "Waiting for google.com..." or whatever the hostname may be. Inspection with a packet sniffer seems to reveal that there are no incoming packets. Here's the interesting part. Disconnecting from my wireless network and reconnecting fixes the issue. Obviously this led me to conclude that it was a problem with my router or wireless card. However, I have tweaked all the settings on my router that I could think of, including things like QoS, AP Isolation, etc. with no change. My wireless card doesn't really have that many options, and I have uninstalled and reinstalled drivers a few times without any change. Windows Firewall on/off doesn't make a difference. Anyone have any suggestions for debugging this? It's becoming an annoyance.

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• Outlook slow to open attachments

  - by Alistair McMillan

  When a colleague tries to open attachments in her email (Outlook 2003 talking to an Exchange 2007 server) they talk ages to open. The files are relatively small, all less than 1MB. We've tried creating a new Windows profile for the user and tried creating new Outlook profiles, however that hasn't made any difference. And we've tried accessing her account from someone else's PC, and the attachments open immediately there. The only thing that might provide a clue is that Process Monitor shows Outlook on her PC trying to write the file to a folder within the user's "Temporary Internet Files" folder with FAST I/O DISALLOWED errors. Can't find a lot of useful information on that message online though. What causes the FAST I/O DISALLOWED errors? And would that make opening attachments so incredibly slow that opening a < 1MB file can take a matter of minutes? UPDATE: Discovered that this isn't just an issue with Outlook. Other files being accessed over the network show the same FAST I/O DISALLOWED errors in Process Monitor. The problem is just more noticeable with Outlook, because although other applications take a while to open files it isn't a matter of minutes.

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• Postfix character encoding?

  - by Anonymous12345

  I use Postfix as a mailserver. I have Ubuntu OS. Then I use PHP to send emails. Problem is that none of my emails are encoded properly by a mailsoftware which my VPS provider uses. According to them, the problem lies with me. It is only the name field which isn't encoded properly. For example "Björn" becomes "Björn" in my emails. However, when I echo the $name, it outputs "Björn" which is correct. Also, gmail and hotmail does show it correctly. The strange part is that the "text" (the message itself) is encoded properly. I use the following for sending mail: $headers="MIME-Version: 1.0"."\n"; $headers.="Content-type: text/plain; charset=UTF-8"."\n"; $headers.="From: $name <$email>"."\n"; $name= iconv(mb_detect_encoding($name), "UTF-8//IGNORE//TRANSLIT", $name); //// I HAVE TRIED WITH AND WITHOUT THE LINE ABOVE, NO DIFFERENCE mail($to, '=?UTF-8?B?'.base64_encode($subject).'?=', $text, $headers, '[email protected]'); I have tried with and without the iconv line also, no luck. The last thing I can think of is POSTFIX, could there be a setting for character encoding there? Anybody knows?

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• Dual VGA monitors with Quadro FX 580?

  - by dentrasi

  I have a machine with a Quadro FX 580 card (DVI and two Displayport). Attached to it are two 19" Acer screens, which are both (annoyingly) VGA. The first one works perfectly, with a DVI-VGA adaptor. The second one doesn't work. It's got a VGA cable, which goes into a VGA-DVI converted, which then goes into a DVI-Displayport converter. Initally, I was getting 'Cable Unplugged' on the screen, and it couldn't be seen by Windows or the nVidia control panel. After swapping the VGA-DVI adaptor (which works perfectly on another machine), Windows can now see the monitor. The nVidia panel sees the model and native resolution, but I get a constant 'No Signal' error. Switching to the other Displayport makes no difference. I suspect that the card is seeing a DVI connection plugged into it (nVididaCP shows the monitor as having a DVI connection), and it only sending out a digital signal because of this. Does anyone know of a solution (other than trying to get a Displayport-VGA adaptor), or of a way to force the card to see it as VGA? Thanks, ~Dentrasi

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• PHP/Linux File Permissions

  - by user1733435

  May I ask a question about file permission. I set up Ubuntu server where Apache got running. I have simple php upload form and able to upload file to /var/www/site/uploads as follows. sandbox@sandbox-virtual-machine:/var/www/site/uploads$ ll total 1736 drwxrwxrwx 2 www-data www-data 4096 Oct 18 02:53 ./ drwxrwxrwx 3 sandbox sandbox 4096 Oct 18 00:42 ../ -rw-r--r-- 1 www-data www-data 145998 Oct 18 02:53 3d wallpaper pic.jpg -rw-r--r-- 1 www-data www-data 166947 Oct 18 02:53 3D Wallpapers 9.jpg -rw-r--r-- 1 www-data www-data 1451489 Oct 18 02:53 6453_3d_landscape_hd_wallpapers_green.jpg Is there anyway to upload files and they show up as -rw-r--r-- 1 sandbox sandbox 145998 Oct 18 02:53 3d wallpaper pic.jpg -rw-r--r-- 1 sandbox sandbox 166947 Oct 18 02:53 3D Wallpapers 9.jpg -rw-r--r-- 1 sandbox sandbox 1451489 Oct 18 02:53 6453_3d_landscape_hd_wallpapers_green.jpg so that I could straight away feed them to waiting/running shell script. Right now waiting script(move,checksums,rename,resize,etc) unable to do anything to uploaded files with attributes of www-data. If I just do as local account, such as sandbox@sandbox-virtual-machine:/var/www/site/uploads$touch testfile then the script is able to run as I would like to. Any suggestion would be grateful,thanks in advance as well. Thanks for everyone giving help to me,that I was able to progress. Now I am close to getting solved and append the output sandbox@sandbox-virtual-machine:/var/www/site/uploads$ ll total 388 drwxrwxrwx 2 www-data www-data 4096 Oct 18 04:22 ./ drwxrwxrwx 3 sandbox sandbox 4096 Oct 18 04:17 ../ -rw-r--r-- 1 sandbox sandbox 166947 Oct 18 04:21 3D Wallpapers 9.jpg -rw-r--r-- 1 sandbox sandbox 219808 Oct 18 04:20 adafruit_pi.png -rw-rw-r-- 1 sandbox sandbox 0 Oct 18 04:22 test How may I set permission to uploaded files like 'test' only w difference in middle group. Such as adafruit_pi.png Vs test. Which statement shall I insert to php code,please?

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• System hangs while rebooting on Debian...

  - by Usman

  Hi, I have Debian (Kernel 2.6.26-2-686) installed on two computers. On one of them it reboots quite finely but I am having following problem with rebooting Debian on my second computer. When i type reboot at the Linux prompt, following messages appear and system hangs up after saying "Restarting System": Broadcast message from root@myname (tty1) (Sun Jan 17 11:23:26 2010) The system is going down for reboot NOW! INIT: Switching to runlevel: 6 INIT: Sending processes the TERM signal Saving system clock Stopping enhanced syslog: rsyslogd. Asking all remaining processes to terminate...done. Deconfiguring network interfaces...done. Cleaning up ifupdown.... Deactivating swap...done. [ 31.789103] Restarting System. _ Normally when the sytem is busy "" sign blinks but "" at the last line above does not blink which shows, the system hanged up. I tried all keys but the screen is still frozen at the same point. The difference that I noted between my two computers is that I don't have ACPI support in the BIOS of the system which is giving me this error whereas the BIOS of my first computer do have ACPI support on which Debain do not give this restart-hanging problem. I have also disabled running the acpid script by running update-rc.d -f acpid remove but the problem still persists on the second computer. Any ideas to solve or get around this problem?

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• Windows Server 2008 Remote Desktop printing blank pages

  - by Colin Pickard

  I have a Windows Server 2008 (not R2) machine which has problems with redirected printing. Clients connecting via Remote Desktop have their printers redirected and appearing for them to print to, but printing from applications on the server to local printers is giving blank pages, missing pages, or pages with headers/footers but no middle section. The issues are consistant for similar prints, but sometimes other prints and/or applications will work correctly. I have installed PDFCreator locally on the server, and the same print jobs sent by the same application appear correctly in the PDFs. Printing that PDF via the redirected printer prints correctly. I have tried the following: Installing drivers. I’ve installed several drivers different drivers, for both the client and server operating system and architecture, on the client and the server. Reinstalling the printers. I’ve tried reinstalling on remote print servers, the clients, and the host server, and tried different client machines. Granting everyone full permissions on the print spool folder on the server. Editing the registry to forward non-USB ports (http://support.microsoft.com/kb/302361) None of these have made any difference. The clients are using Windows 7 or Windows XP and none of them have any issues with printing locally. Any ideas? Thanks!

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• How can I set up a 404 error page when people access http://ftp.mydomain.com?

  - by Tim B.

  I am a freelance videographer/developer, and part of my job involves transferring large files over FTP to production houses/television stations. While the majority of people in my industry understand the difference between FTP and HTTP, I've experienced several interactions in the past couple months of people who still open Internet Explorer and try to access http://ftp.mydomain.com, receive an error page served by HostGator, and tell me that they cannot access my FTP server. Instead of spending time delivering instructions via e-mail, I'd much prefer to serve up a custom error page in this instance that instructs them how to download and use an FTP client. I tried setting up a sub-domain in Cpanel hoping I could simply drop in an .htaccess file with the error page, but I got this error: ftp.mydomain.com domainadmin-domainexistsglobal I also tried creating a custom error page in PHP which reads the site URL and serves up the custom content only when http://ftp.mydomain.com is accessed. Unfortunately, the error page works for every subdomain except that one. I'm not entirely sure this is even technically possible, which is why I bring it to the good people of StackOverflow to help. Thanks!

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• Kernel panic while loading Mac OS X on VMWare

  - by Vladimir Gritsenko

  I'm trying to run Mac OS X 10.6.3 on VMWare 7.1 from within Windows 7 64 bit. Trying to run the OS X doesn't work - shortly after booting VMWare announces the machine's death with this pop-up message: The CPU has been disabled by the guest operating system. You will need to power off or reset the virtual machine at this point. The console has a more interesting announcement: The real-time clock was not properly initialized on your system! With a dump of the detected CPU speed (~2.9 GHz), FSB (~94 MHz) and bus ratio (31). Somehow, the code that panics is documented in an accidental .diff file here. Apparently, it commits seppuku if the bus ratio is greater than 30. I underclocked my E6500 to a slower speed, but this apparently didn't make any difference. I can think of two possibilities right now: The CPU info being read is constant, and defines the maximum ability of the CPU. In which case it appears I'm screwed. VMWare presents its own CPU info to the machine, which I can perhaps somehow change. If so, how? If these sound completely off, that's because I'm a real newbie in these matters. Here's hoping you guys can show me the light :-)

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• Wifi network undetectable on a Lenovo G470

  - by Rex

  I have a WPA2 secured network with a visible SSID at home that works perfectly fine with a Dell laptop,a HP netbook and sundry mobile phones. When I try connecting my sister's Lenovo G470, it refuses to detect the wifi network no matter what, but shows up the neighbors' networks. The Lenovo also works correctly at her office. Both laptops run Windows 7. Already tried/checked the following: Manually configure wifi network settings (copied over from the Dell) Ensure there is no MAC address filtering on the router. Ensure router DHCP server is not running out of addresses to assign (I have set it to allocate upto 10). Reboot laptop, router etc. Is this a known problem, and is there anything else one could try? Update - The problematic Lenovo uses Windows 7 Home Basic while the Dell that works uses Home Premium and the HP netbook uses Starter edition - if that makes any difference. Further update - It is able to connect if I reboot into safe mode with networking. However in 'normal' mode it shows up the network sporadically, and then says there was an error connecting to it. All the network parameters, password, encryption, etc etc are EXACTLY the same as they are on the Dell.

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• What are the advantages and disadvantages of the various virtual machine image formats?

  - by Matt

  Xen and Virtualbox etc both support a range of different virtual machine image formats. These are: vmdk, vdi, qcow & qcow2, hdd & vhd. Without any bias toward a particular product, I'm wanting to know what are the advantages and disadvantages of the various formats both from a features perspective, robustness and speed? One piece of info I discovered in a forum post was this: "The major difference is that VDI uses relatively large blocks (1MB) when growing an image, and thus has less overhead for block pointers etc. but isn't ultimately space efficient in the sense that if a single byte is non-zero in such a 1MB block the entire space is used. VMDK in contrast uses 64K blocks, and thus has more management overhead and generally a bit less disk space consumption What offsets this is that VDI is more efficient when it comes to snapshots." You might be thinking, I want to know this because I want to know which format to choose? Not exactly, I'm developing some software which utilises these formats and want to support one or more of them. Simplicity, large disks and ease of development are my main drivers.

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• Upgrading from SQL2000 database to SQL Express 2008 R2

  - by itwb

  Hi, We have a web application which uses a MSSQL 2000 backend database. We are currently paying a ridiculous amount for Shared Hosting, with the database costs alone costing us $150 per month (MSSQL 100mb extra space is $40 per month). Our database size is 896.38 MB I am looking at getting a Virtual Private Server and upgrading the database to a MSSQL2008 Express database. I am aware that the Express version is limited to a 10GB database (with R2), and is constrained to a single CPU. I have also been offered SQL Server 2008 Web Edition for $19/per month, but I cannot find many details on the difference between Express and Web. Any suggestions here? What I would also like to know is: If we upgrade the database to MSSQL 2008 database, is there any issues with possible data transformations in the future? I.e. Is it possible to download and mount it with SQL Server 2008 Standard edition? I'm more concerned about how to get data in and out of the database through SQL Management tools. Are there any other issues that I might face? Thanks, Mike

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• nginx starts up before apache

  - by paullb

  I've been fumbling through setting up redmine on a unbuntu (12.04) box and somewhere along the line NginX got set up and now apache no longer loads because nginx has already grabbed the port. I tried removing NginX with the below command but that didn't seem to make any difference. When I restarted the server and pointed my web browser I still got the "Welcome to NginX" message sudo apt-get purge nginx I have confirmed that NginX is gone because when I run the above now I get as an output Package nginx is not installed, so not removed Yet everytime I start the machine it is running again. I noticed the following for the running processes (if that is helpful) root 923 0.0 0.0 76784 1280 ? Ss 03:00 0:00 nginx: master process /usr/sbin/nginx www-data 925 0.0 0.0 77092 1704 ? S 03:00 0:00 nginx: worker process www-data 926 0.0 0.1 77092 2204 ? S 03:00 0:00 nginx: worker process www-data 927 0.0 0.0 77092 1704 ? S 03:00 0:00 nginx: worker process www-data 928 0.0 0.0 77092 1704 ? S 03:00 0:00 nginx: worker process Any advice for bringing back apache2 as the "default" (for lack of a better term) web server?

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• Using multiple computers effectively

  - by Benjamin Oakes

  I have some extra (old) Macs and PCs around the house and a MacBook that's sometimes overworked. I'm looking for tips on using multiple computers effectively. Basically, I'd like to add to the following list. Here's what I'm using so far: Teleport: lets you use a single mouse and keyboard to control several Macs, like Synergy Built-in file sharing: lets me run programs on another Mac, but only maintain one copy of the data Bazaar: distributed version control Mail.app, Thunderbird, etc.: IMAP for my mail accounts TuneConnect: control iTunes on another Mac with a nice interface, using the library on my MacBook (if I choose it by pressing option at startup) over file sharing OmniFocus: syncs across computers pretty seamlessly Web browsing across computers VNC/Remote Desktop Running X-windows programs using ssh -Y hostname for headless operation (but they die when I sleep the connecting computer -- something like GNU screen would be ideal) Plain-old ssh with GNU screen Really, a better idea of what I do might be necessary. Generally though, I'd like to distribute tasks across more than one computer when possible, but not have much overhead in doing so. The perfect solution? An Xgrid-like program that pushes processing across multiple computers automatically and seamlessly (although that seems unlikely). Here's what I have, in case it makes a difference: MacBook (Dual 2.16 GHz, OS X 10.6.3) eMac (1.25 GHz, OS X 10.4.11, soon to be 10.5) Dell Dimension (800 MHz, some version of Ubuntu) -- no dedicated monitor PowerMac G3 (400 MHz, OS X 10.4.11) -- no dedicated monitor iMac G3 DV (400 MHz, OS X 10.4.11) -- currently in the kitchen for recipes, email, web browsing, music, movies (DVDs), etc. (Total, they cost me around $650, mostly for the MacBook. Freecycle is wonderful, just in case you haven't heard of it.) I'm really only using the MacBook and eMac at this point, but I'd like to push more onto it and possibly the PowerMac and Dell.

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• Strange Jmeter connection refuse on Tomcat

  - by Tommy

  I tried difference setting in Jmeter and Tomcat. If the Threads number in JMeter is 1~200, Then tomcat is okay. If It is 300, Then after serving few requests, tomcat starts to output errors. Here is the error show in JMeter java.net.ConnectException: Connection refused: connect at java.net.PlainSocketImpl.socketConnect(Native Method) at java.net.PlainSocketImpl.doConnect(Unknown Source) at java.net.PlainSocketImpl.connectToAddress(Unknown Source) at java.net.PlainSocketImpl.connect(Unknown Source) at java.net.SocksSocketImpl.connect(Unknown Source) at java.net.Socket.connect(Unknown Source) at java.net.Socket.connect(Unknown Source) at sun.net.NetworkClient.doConnect(Unknown Source) at sun.net.www.http.HttpClient.openServer(Unknown Source) at sun.net.www.http.HttpClient.openServer(Unknown Source) at sun.net.www.http.HttpClient.<init>(Unknown Source) at sun.net.www.http.HttpClient.New(Unknown Source) at sun.net.www.http.HttpClient.New(Unknown Source) at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(Unknown Source) at sun.net.www.protocol.http.HttpURLConnection.plainConnect(Unknown Source) at sun.net.www.protocol.http.HttpURLConnection.connect(Unknown Source) at org.apache.jmeter.protocol.http.sampler.HTTPJavaImpl.sample(HTTPJavaImpl.java:483) at org.apache.jmeter.protocol.http.sampler.HTTPSamplerProxy.sample(HTTPSamplerProxy.java:62) at org.apache.jmeter.protocol.http.sampler.HTTPSamplerBase.sample(HTTPSamplerBase.java:1018) at org.apache.jmeter.protocol.http.sampler.HTTPSamplerBase.sample(HTTPSamplerBase.java:1004) at org.apache.jmeter.threads.JMeterThread.process_sampler(JMeterThread.java:411) at org.apache.jmeter.threads.JMeterThread.run(JMeterThread.java:297) at java.lang.Thread.run(Unknown Source) My tomcat server.xml in eclipse <!--The connectors can use a shared executor, you can define one or more named thread pools--> <Executor name="tomcatThreadPool" namePrefix="catalina-exec-" maxThreads="2000" minSpareThreads="250" acceptCount="2000"/> <Connector executor="tomcatThreadPool" URIEncoding="UTF-8" connectionTimeout="20000" port="8080" protocol="HTTP/1.1" redirectPort="8443" /> Any idea why this is happening ? How do i check the server.xml is correctly used? It is a JSF2 application if it helps. Thanks in advance.

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• Make dhcp assign same IP and hostname for different interfaces at one machine

  - by Egeshi

  I have a feeling that question itself looks stupid but it is not. Please let me clarify. I have dynamic DNS with BIND and NIS configured at my LAN and have laptop which I am using in both wireless and wired mode. I mean that sometimes I have to use wired interface to achieve higher throughput but most of time I don't need it and using wireless mode. Everything works great. Issue is that I want both interfaces get same IP from DHCP. Just for convenient firewall setup. If I add both hosts to dhcp in this manner # bt wireless host bt { hardware ethernet 00:1f:1f:62:60:28; fixed-address 172.16.77.110; } # bt wired host bt { hardware ethernet 00:14:22:b7:5a:de; fixed-address 172.16.77.110; } DHCP says logs following message dhcpd: Dynamic and static leases present for 172.16.77.110 dhcpd: Remove host declaration bt-wired or remove 172.16.77.110 dhcpd: from the dynamic address pool for 172.16/16 Host records are added outside of any subnet, but it makes no difference if I put them there, effect is still the same. This is not critical but either is not my whim because even if DHCP seems to work fine for that "bt" host, I cannot make connection TO it from remote machine anymore with this definitely incorrect DHCP config. I'd be thankful if one spares a minute for advice about how to configure DHCPD correctly. UPDATE. I realize that there's a soulution to assign different hostname in DHCP config but would like to use benefits of short host names.

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• Environment variables in bash_profile or bashrc?

  - by Viriato

  I have found this question [blog]: Difference between .bashrc and .bash_profile very useful but after seeing the most voted answer (very good by the way) I have further questions. Towards the end of the most voted, correct answer I see the statement as follows : Note that you may see here and there recommendations to either put environment variable definitions in ~/.bashrc or always launch login shells in terminals. Both are bad ideas. Why is it a bad idea (I am not trying to fight, I just want to understand)? If I want to set an environment variable and add it to the PATH (for example JAVA_HOME) where it would be the best place to put the export entry? in ~/.bash_profile or ~/.bashrc? If the answer to question number 2 is ~/.bash_profile, then I have two further questions: 3.1. What would you put under ~/.bashrc? only aliases? 3.2. In a non-login shell, I believe the ~/.bash_profile is not being "picked up". If the export of JAVA_HOME entry was in bash_profile would I be able to execute javac & java commands? Would it find them on the PATH? Is that the reason why some posts and forums suggest setting JAVA_HOME and alike to ~/.bashrc? Thanks in advance.

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• snort analysis of wireshark capture

  - by Ben Voigt

  I'm trying to identify trouble users on our network. ntop identifies high traffic and high connection users, but malware doesn't always need high bandwidth to really mess things up. So I am trying to do offline analysis with snort (don't want to burden the router with inline analysis of 20 Mbps traffic). Apparently snort provides a -r option for this purpose, but I can't get the analysis to run. The analysis system is gentoo, amd64, in case that makes any difference. I've already used oinkmaster to download the latest IDS signatures. But when I try to run snort, I keep getting the following error: % snort -V ,,_ -*> Snort! <*- o" )~ Version 2.9.0.3 IPv6 GRE (Build 98) x86_64-linux '''' By Martin Roesch & The Snort Team: http://www.snort.org/snort/snort-team Copyright (C) 1998-2010 Sourcefire, Inc., et al. Using libpcap version 1.1.1 Using PCRE version: 8.11 2010-12-10 Using ZLIB version: 1.2.5 %> snort -v -r jan21-for-snort.cap -c /etc/snort/snort.conf -l ~/snortlog/ (snip) 273 out of 1024 flowbits in use. [ Port Based Pattern Matching Memory ] +- [ Aho-Corasick Summary ] ------------------------------------- | Storage Format : Full-Q | Finite Automaton : DFA | Alphabet Size : 256 Chars | Sizeof State : Variable (1,2,4 bytes) | Instances : 314 | 1 byte states : 304 | 2 byte states : 10 | 4 byte states : 0 | Characters : 69371 | States : 58631 | Transitions : 3471623 | State Density : 23.1% | Patterns : 3020 | Match States : 2934 | Memory (MB) : 29.66 | Patterns : 0.36 | Match Lists : 0.77 | DFA | 1 byte states : 1.37 | 2 byte states : 26.59 | 4 byte states : 0.00 +---------------------------------------------------------------- [ Number of patterns truncated to 20 bytes: 563 ] ERROR: Can't find pcap DAQ! Fatal Error, Quitting.. net-libs/daq is installed, but I don't even want to capture traffic, I just want to process the capture file. What configuration options should I be setting/unsetting in order to do offline analysis instead of real-time capture?

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• How to wire 20 computers and 20 phones and 1 server into LAN?

  - by John Smith

  I have currently 3 switches Two Netgear JFS524 with 24 slots, One Belkin with 16 slots. Server DSL Internet Router. Main question is how to connect switches together, two Netgear's are next to each other, yet one is about 100 feet away and holds about 5 computer and 5 phones. If i connect them with only 1 wire will that limit bandwidth? e.g. all 23 computers will be limited to speed of one CAT5e cable? If i connect switches with 2 cables will this give speed boost? What's the ideal scenario should i just move the third switch next to other two? Will the speed of computer connected to white switch be same as computer connected to top switch? Will moving white switch right next top switch and having 16 wires comming 100 feet instead of 1 wire comming 100 feet make it faster? EDIT 1: I actually have NETGEAR ProSafe GS105 Gigabit switch its only has 4 ports in it though, you think i can have use of it in current setup? Like connect all 3 switches and server into it and keep internet router and phone server on one of the slower switches EDIT 2: Everyone mention gigabit switches, but will they do any difference with 10/100 network cards? I then have to use gigabit cards in every computer too? I could in server perhaps, but users will be 10/100

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• LDAP not showing secondary groups

  - by Sandy Dolphinaura

  Currently, I have a LDAP server (running ClearOS if that makes any difference) containing a database of users. So, I went and setup LDAP on a couple of my debian VMs, using libpam-ldapd and I discovered this odd problem. My group/user mapping would show up when running getent group but the secondary groups would not show up when running id . Here is my /etc/nslcd.conf # /etc/nslcd.conf # nslcd configuration file. See nslcd.conf(5) # for details. # The user and group nslcd should run as. uid nslcd gid nslcd # The location at which the LDAP server(s) should be reachable. uri ldaps://10.3.0.1 # The search base that will be used for all queries. base dc=pnet,dc=sandyd,dc=me # The LDAP protocol version to use. #ldap_version 3 # The DN to bind with for normal lookups. binddn cn=manager,ou=internal,dc=pnet,dc=sandyd,dc=me bindpw Me29Dakyoz8Wn2zI # The DN used for password modifications by root. #rootpwmoddn cn=admin,dc=example,dc=com # SSL options ssl on tls_reqcert never # The search scope. #scope sub #filter group (&(objectClass=group)(gidNumber=*)) map group uniqueMember member

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• Windows xp mapped drives disconnect from Windows 7 on Peer to Peer network

  - by Kathryn Codo

  I have a 5 user peer to peer network. 2-XP machines, 3- Windows 7 machines and a Windows 7 machine acting as the file server. I have NO issues with the Windows 7 machines staying connected via the mapped drives to the "server". However, once a day the 2 XP machines will not connect to the Windows 7 machine "server" via the mapped drives. I must restart the "server" in order to see the server and access the files via the mapped drives or Explorer. I have tried the persistent : yes command in NET USE, on the XP machines and also setting a static IP address on the "server". I've turned the firewall off on the "server:, no difference so I turned the firewall back on. No interruption occurs with the internet when this happens, just can't see the server. Again, the Windows 7 users are unaffected. I have gone into the advanced network settings on the "server" and added read/write permissions for Everyone as well as the users of the XP machines. I have double checked that we are all on the same WORKGROUP. I'm at a loss. It seems to happen around mid-day and I've not been able to find any activity that is happening at this time (Like someone plugging in a thumbdrive). Any suggestions would be greatly appreciated as my client is running old XP software he no longer has the disks for and needs for his engineering firm.

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• Why would Windows use slower network interface despite route metrics?

  - by tim11g

  On my previous notebook, the Dell/Broadcom wireless adapter had an option to automatically disable wireless when a wired network is connected, so I never dealt with multiple active interfaces. My current system has an Intel wireless adapter, and they apparently haven't figured out how to turn it off when there is a wired connection. Unless I explicitly remember to disable wireless when docked, the connection is active. That shouldn't be a problem (in theory), since the route metric will cause traffic to go over the fastest network (as indicated by the lowest metric in the routing table). Apparently not - I'm running a backup and seeing the throughput at 25Mbps or so (which is consistent with 802.11g) when a perfectly good Gigabit Ethernet interface is also connected. IPv4 Route Table =========================================================================== Active Routes: Network Destination Netmask Gateway Interface Metric 0.0.0.0 0.0.0.0 192.168.1.254 192.168.1.104 10 0.0.0.0 0.0.0.0 192.168.1.254 192.168.1.109 25 127.0.0.0 255.0.0.0 On-link 127.0.0.1 306 127.0.0.1 255.255.255.255 On-link 127.0.0.1 306 127.255.255.255 255.255.255.255 On-link 127.0.0.1 306 Windows has correctly identified the Ethernet interface (.104) and assigned it the lower (preferred) metric. So the Ethernet interface should be used exclusively, right? Why is the Ethernet connection not being used? What other factors are involved? (This is with Windows 7 if it makes a difference)

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• Change XRDP keyboard layout to en-gb Ubuntu 12.04

  - by Earl Sven

  Does anybody know how to change the keyboard layout to en-gb in an XRDP session on Ubuntu 12.04? I am using mstsc.exe to connect to an XRDP server hosting an XVNC session, however I cannot work out how to apply the UK keyboard layout. A bit of googling has yeilded these instructions which allow me to change the keymap, however using the keymap file I downloaded from here I loose the ability to use the arrow keys, home/end etc. Comparing the file with the standard one there are substantially more differences than I would expect considering the similarity between the layouts. I only have RDP access to the box so i don't seem to be able to actually generate a new layout per the instructions above, maybe it's a local console thing? Also I can't change either the RDP client used or the RDP server as they are my only access to the system, I don't have local console access. I do have root priveleges on the OS however. Any thoughts? Edit: I have found http:// xrdp.sourceforge.net/documents/keymap/newkeymap.html (apologies for not typing the link properly but the antispam filter won't let me post more than 2 links) this documentation on the XRDP sourceforge page which describes keymap file format. It indicates the values in the keymap files are unicode 0x64 etc, however the files I have already on my system seem to use a different format 0:0 or 65307:27 etc, does anybody know what the difference is?

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• GNOME 2 + Compiz equivalent?

  - by virtualeyes

  Running Fedora 14 and realize I need to either change distros or find an alternative to GNOME 3 in Fedora 17. Based on what I have read to-date, XFCE and KDE are the go-to WMs if I want to avoid GNOME 3. I tried KDE 4 and I wasn't impressed; I like the simplicity of GNOME 2 with Compiz and Emerald. Can't stay on Fedora 14 forever, however, so...where to turn? Basically looking for these features in my desktop environment: GNOME Do or equivalent Snap to grid/Window tiling A must-have, the ability to hot key focused window to a monitor grid region is a huge productivity win. Zoom window to cursor In a multi-monitor setup sometimes it's nice to, say, GNOME Do terminal in one monitor and then hot key the opened window to the other monitor just by zipping the mouse cursor anywhere on target monitor (followed by, of course, snap-to-grid hotkey, all without a single mouse click) Polarization At night white background hurts the eyes, so I prefer to hot key polarize to black. Multi-monitor support I'm partial to Fedora given that I've worked with CentOS for years and have little experience with any other Linux distro; however, if the difference between Fedora and Arch, Mint, etc. is fairly subtle, I'll make the leap, just need a distro & desktop environment that allows me to be productive with keyboard hot keys and provides the above basic features. Any suggestions?

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• Google Play Music Not Adding MP3s On-Demand

  - by J0e3gan

  My recent attempts to add music on-demand to Google Play Music have yielded nothing - no "Processing music..." or "Added __ of __" messages, just nothing. Previously I could add music on-demand; and nothing has changed on the machine from which I successfully added music previously, from which I have tried to add music on-demand recently. What could be hampering my ability to add music on-demand? WHAT I'VE TRIED: Right after I started using GPM, I briefly found that I could not add music (on-demand), but the problem went away after a logout/login. This time a logout/login has not helped. Dragging & dropping or browsing to folders or files to add has made no difference either. Nor has waiting ridiculously long for GPM to show signs of life after adding music on-demand seemed to work. Digging deeper, I read a related Google Play Help article and followed its suggestions... ran the Google Play Music Manager troubleshooter = no errors or warnings double checked my available storage = 8 GB free double checked supported file types = MP3 is still supported (of course) ..., but the problem remains. UPDATE: I found that if I configure GPM to automatically upload music added to specific folders, it strangely does add automatically what it will not add on-demand.

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