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  • MacBook not connecting anywhere via VPN

    - by Toby
    I was wondering if someone could help me troubleshoot this issue. I have a handful of VPNs set up on my MacBook (Snow Leopard) which I know are working, but today when I tried to use them I get the following error in all cases: could not find the PPP kernel extension I have not needed to use any VPN for a while but they have worked in the past and there is nothing I can think of that I have changed on this machine. I have looked in System/Library/Extensions and PPP.kext is there which is the file I thought it would be looking for? Any help would be greatly appreciated.

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  • Backup hardware and strategy on distributed Windows Server 2008 network

    - by CesarGon
    This question is a follow up to this. We have a Windows Server 2008 R2 domain over a network that spans two different buildings, linked by a 100-Mbps point-to-point line. Over 60 users work in the organisation. We are planning to use DFS folders and DFS replication for file serving across the organisation. The estimated data volume is over 2 TB, and will grow at approximately 20% annually. The idea is to set up a DFS file server in each building and use DFS so that all the contents stay replicated over the 100-Mbps link. We are now considering backup hardware and strategies. We are Dell customers and, after browsing the online Dell catalogue, I can see a number of backup hardware options. My main doubts are the following: Would you go for a tape library, disk backup, or are there other options worth considering? Would you perform batch backups (i.e. nightly) or would you use continuous backup (i.e. while users are working)? Would you use a dedicated backup server to which the tape library (or any other backup device) is attached, or is there any other alternative way of doing things? My experience with backup hardware and overall setup is limited, so I appreciate any good piece of advice that you may have. Thanks.

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  • Network Load Balancing, intermittent port problem

    - by Jimmy Chandra
    Trying to troubleshoot an intermittent problem. I think it might be related to an NLB issue. We are using Windows Network Load Balancing to balance load for our multiserver SharePoint front ends. Say... Web Front End 1 IP is 192.168.1.100 and Web Front End 2 IP is 192.168.1.101, the NLB is setup to load balance both WFE servers on any incoming traffic to the IP 192.168.1.200. Sometimes we got an intermittent issue where when we try to access the SharePoint site using 192.168.1.200:8080 (say the site is set up to run on port 8080) from a remote client, it will display page not found. Pinging the 192.168.1.200 will give responses, but when trying to telnet to 192.168.1.200:8080 it just won't connect. However, browsing the SharePoint site directly on individual WFE (192.168.1.100 and 192.168.1.101) show no problem whatsoever. My guess also (we didn't get a chance to try it yet, but I think it should work), if I try connecting remotely to individual server, it will respond just fine. But any attempt on trying to connect using the virtual IP (192.168.1.200) will fail miserably. Funny thing is, after a while it will return back to normal. Anyone had similar experience with this type of problem while implementing NLB before? We are doing this in a virtual environment.

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  • Enabling the log app on the WDTV

    - by Ariel Popovsky
    Just flashed the last WDXLTV firmware on my WDTV and it's working fine. I tried to config a Wifi USB adapter but couldn't get it to work. Dropped the log-saver.app.bin on the root of the stick but didn't find any log files after booting. What I'm doing is turning on the WDTV with the stick inserted (the stick is formatted with FAT32). Tried with the wireless-mod.app.bin required files and without any other file than the log saver. I can't get a log file anyway. All I want right now is to get the log file so I can debug the WI FI adapter.

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  • "'/usr/share/app-install/desktop/software-center.menu': Not a directory" error when trying to reinstall the software center

    - by EnTer
    I was having some problem with Software center. So tried to reinstall it. But While removing it give me an error. (Reading database ... 150986 files and directories currently installed.) Removing software-center ... dpkg: error processing software-center (--remove): unable to securely remove '/usr/share/app-install/desktop/software-center.menu': Not a directory Processing triggers for man-db ... Processing triggers for hicolor-icon-theme ... Processing triggers for desktop-file-utils ... Processing triggers for gnome-menus ... Processing triggers for bamfdaemon ... Rebuilding /usr/share/applications/bamf.index... Errors were encountered while processing: software-center E: Sub-process /usr/bin/dpkg returned an error code (1) Now The same problem is repeating if I use apt-get to install or upgrade my ubuntu. I cant install any software and Software-Center too.. PLZ help

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  • SNMP counter issues with cisco RV082

    - by Chance
    Does anyone else poll this router with SNMP? We are using firmware version: 2.0.0.19-tz We are having problems with the traffic counters, some of them appear to be implemented as 16 bit counter instead of 32 bit counters. The reason this is causing problems is that they roll over (at 65,000) to 0 in less than our minute polling cycle, really skewing our metrics. The counter for the Lan (interface 2) seems to be functioning properly, however interfaces 3 and 4 (WAN and DMZ / WAN2) rollover at 65000. Tue May 11 08:38:31 EDT 2010 IF-MIB::ifInOctets.1 = Counter32: 137634 IF-MIB::ifInOctets.2 = Counter32: 1865677943 IF-MIB::ifInOctets.3 = Counter32: 12450 IF-MIB::ifInOctets.4 = Counter32: 49354 Look at counter IF-MIB::ifInOctets.4 5 seconds later: Tue May 11 08:38:36 EDT 2010 IF-MIB::ifInOctets.1 = Counter32: 137634 IF-MIB::ifInOctets.2 = Counter32: 1865836207 IF-MIB::ifInOctets.3 = Counter32: 13167 IF-MIB::ifInOctets.4 = Counter32: 12900 Any suggestions? Seems like a bug to me, however I just wanted to make sure I wasn't crazy.. Thanks!

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  • VPN - What is the complexity involved setting one up across less than a dozen machines?

    - by lucius
    Hello, I have never set up and configured a VPN. I was wondering what it takes to set one up across windows server 2008 servers. What is the complexity involved? How complicated is it to configure? Do I need to set up a Domain controller as a pre-requisite? I am asking because it appears SQL Server 2008 merge replication can only be set up over the internet using VPN and I am trying to gauge what I am up against. Thanks a lot.

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  • ICMP Data Field Modified - What does it Mean?

    - by Lucretius
    Normal ICMP Data fields are composed of a pretty standard 32 byte string of alphabet characters. abcdefghijklmnopqrstuvwabcdefghi I have captured a series of ICMP echo requests using WireShark with a modified Data field and I have no idea what it means. (Underscores represent spaces.) abcdefghijklmnopprstuvwxyzabcdefghi abcdefghijklmnoparstuvwxyzabcdefghi __abcdefghijklmnopsrstuvwxyzabcdefghi __abcdefghijklmnopsrstuvwxyzabcdefghi __abcdefghijklmnopwrstuvwxyzabcdefghi __abcdefghijklmnopdrstuvwxyzabcdefghi__ Note: The position of the "q" character The addition of "xyz" The addition of spaces before and after the payload When you look at the position of "q" horizontally it spells "passwd" which is a Linux/Unix command for changing a users password. Any ideas?

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  • Macs don't connect to wifi access point but PCs will

    - by Josh
    So, as a side project I'm going to try and figure out why the wifi APs in my building exhibit the following behavior: - They typically allow all types of computers to connect without issues - Sometimes Apples can't get an IP address but will still connect to the AP's signal - Less often, PCs can't connect to the wifi (same as above - yes signal, no IP addy) - Don't let Raiders fans on no matter the time of day! My first thought was that the DHCP leases were all taken up when the Apples would try to connect, and it was just their unlucky timing, but I would then try to log on with a PC that had a new, unleased MAC address and it would work... Could this be something to do with interoperability between an apple wifi card, and the APs? Different parts of the DHCP lease being taken up first? The fact that the Seattle Mariners might actually be good this year?? If this hasn't used up everyone's patience (with my crappy sports jokes), something else I could use some help with: - We don't have the model or type of AP - This is because there is no documentation available for them, and they literally look like small white boxes with no writing on them. Also, the company that installed them is out of business, so the situation might be that no docs will ever be on the way. -- Do you guys have any ideas on how to figure out what we have? Thanks as always for all the help, and I'm looking forward to the day when I know enough to start contributing back to the site, Josh

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  • App or apps like NetLimiter Monitor for Linux

    - by Nathaniel
    I find NetLimiter Monitor quite handy on Windows both for the realtime per-process bandwidth monitoring and the recorded data usage. What tool or tools can I use to replicate this functionality in Linux? I am okay using two separate apps for the bandwidth and the usage monitoring, but the usage monitoring is a must have.

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  • Apahe configuration with virtual hosts and SSL on a local network

    - by Petah
    I'm trying to setup my local Apache configuration like so: http://localhost/ should serve ~/ http://development.somedomain.co.nz/ should serve ~/sites/development.somedomain.co.nz/ https://development.assldomain.co.nz/ should serve ~/sites/development.assldomain.co.nz/ I only want to allow connections from our local network (192.168.1.* range) and myself (127.0.0.1). I have setup my hosts file with: 127.0.0.1 localhost 255.255.255.255 broadcasthost ::1 localhost fe80::1%lo0 localhost 127.0.0.1 development.somedomain.co.nz 127.0.0.1 development.assldomain.co.nz 127.0.0.1 development.anunuseddomain.co.nz My Apache configuration looks like: Listen 80 NameVirtualHost *:80 <VirtualHost development.somedomain.co.nz:80> ServerName development.somedomain.co.nz DocumentRoot "~/sites/development.somedomain.co.nz" DirectoryIndex index.php <Directory ~/sites/development.somedomain.co.nz> Options Indexes FollowSymLinks ExecCGI Includes AllowOverride All Order allow,deny Allow from all </Directory> </VirtualHost> <VirtualHost localhost:80> DocumentRoot "~/" ServerName localhost <Directory "~/"> Options Indexes FollowSymLinks ExecCGI Includes AllowOverride All Order allow,deny Allow from all </Directory> </VirtualHost> <IfModule mod_ssl.c> Listen *:443 NameVirtualHost *:443 AcceptMutex flock <VirtualHost development.assldomain.co.nz:443> ServerName development.assldomain.co.nz DocumentRoot "~/sites/development.assldomain.co.nz" DirectoryIndex index.php SSLEngine on SSLCipherSuite ALL:!ADH:!EXPORT56:RC4+RSA:+HIGH:+MEDIUM:+LOW:+SSLv2:+EXP:+eNULL SSLCertificateFile /Applications/XAMPP/etc/ssl.crt/server.crt SSLCertificateKeyFile /Applications/XAMPP/etc/ssl.key/server.key BrowserMatch ".*MSIE.*" \ nokeepalive ssl-unclean-shutdown \ downgrade-1.0 force-response-1.0 <Directory ~/sites/development.assldomain.co.nz> SSLRequireSSL Options Indexes FollowSymLinks ExecCGI Includes AllowOverride All Order allow,deny Allow from all </Directory> </VirtualHost> </IfModule> http://development.somedomain.co.nz/ http://localhost/ and https://development.assldomain.co.nz/ work fine. The problem is when I request http://development.anunuseddomain.co.nz/ or http://development.assldomain.co.nz/ it responds with the same as http://development.somedomain.co.nz/ I want it to deny all requests that do not match a virtual host server name and all requests to a https host that are requested with http PS I'm running XAMPP on Mac OS X 10.5.8

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  • Cabling: What to keep in stock?

    - by pehrs
    I have worked a few different places, each one with a different solution, so I would like to hear your suggestions and ideas. I am looking at a situation with multiple server-rooms. We have a mixture of copper (both ethernet and telephone), multi-mode fibre and single-mode fibre. We have all types of connectors: RJ-11, RJ-45, LC, SC, FC, SMA and several I probably forgot about. We have a lot of people working in the area, and keeping track of cables is turning into a full time job. So, here are a the questions: What types and lengths of cable do you keep in stock on site? Do you make your own or buy pre-made? Adapters? Dampeners? How do you manage cable inventory? How do you label the cables? Any other tricks to stop this from driving me crazy?

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  • Cisco ASA 5505 and slow download speeds for Apple devices

    - by James
    For traffic routing through my ASA 5505, downloads for all Apple devices, including AppleTV iPad gen 1 IMac MacBook Pro are very slow. speedof.me show less than 1 Mbps download (where I should have 20 Mbps +), yet for any Windows-based device, the download speeds are in excess of 20 Mbps. The Windows device, including the iMac and MacBook Pro machines, are connected via ethernet cable. Why are Apple devices experiencing such pain? Is it an ASA setting, or something else? Thanks.

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  • One bigger Virtual Machine distributed across many OpenStack nodes [duplicate]

    - by flyer
    This question already has an answer here: Can a virtualized machine have the CPU and RAM resources of multiple underlying physical machines? 2 answers I just setup virtual machines on one hardware with Vagrant. I want to use a Puppet to configure them and next try to setup OpenStack. I am not sure If I am understanding how this should look at the end. Is it possible to have below architecture with OpenStack after all where I will run one Virtual Machine with Linux? ------------------------------- | VM with OS | ------------------------------- | NOVA | NOVA | NOVA | ------------------------------- | OpenStack | ------------------------------- | Node | Node | Node | ------------------------------- More details: In my environment Nodes are just virtual machines, but my question concerns separate Hardware nodes. If we imagine this Nodes(Novas) are placed on a separate machines (e.g. every has 4 cores) can I run one Virtual Machine across many OpenStack Nodes? Is it possible to aggregate the computation power of OpenStack in one virtual distributed operating system?

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  • Best dual band A/B/G/N wireless router/ap for Linux

    - by Kevin Bowling
    Hello, I am looking for the best A/B/G/N dual band (simultaneous) router or access point that can be flashed with community firmware like dd-wrt or openwrt. In the past I have used the WRT54G series from Linksys with great success as access points and bridges. The WRT610N looks nice but I'm not sure how well the community firmwares support it. I am open to any manufacturer and any input or experience would be appreciated.

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  • Routers with decent parental monitoring / traffic logging?

    - by antiver
    I'm looking for consumer router / firmware recommendations with reasonably robust remote URL / hostname logging & reporting functionality. Most logging functionality I've seen is terrible - reporting only IP addresses, not rolling up reports or reporting any useful statistics. The logs are also often limited to merely the last few minutes/hours when handling high-traffic loads. Bonus points for providing a screenshot of the log reporting interface!

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  • wireless router on LAN

    - by Scott
    Hi, Can I put a wireless router (for a laptop to talk to) which is configured to use DHCP on our work LAN ? I just need the laptop to be able to talk to the internet. Will it automatically get the gateway information when it is assigned an IP via DHCP ? Thanks Scott

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  • How To Perform Distributed Website Monitoring?

    - by cballou
    I would like to know how sites like the following perform distributed website monitoring (from multiple checkpoints/countries). pingdom.com, site24x7.com, uptrends.com, siteuptime.com, etc, etc. To be exact, what process would occur in checking if a given domain name went down? If the server finds that the site is down, what is the next step? Would it make a REST API request to a separate server to run the same test and report the results? I have a few theories, including: utilizing host(s) from different countries utilizing proxies from different countries I'm looking for the most proper or correct way to handle this, which can include the usage of servers from multiple countries/hosts.

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  • Server 2003 Terminal Services Printers not redirecting, no sessions created.

    - by mikerdz
    Ok, odd scenario on a Windows Server 2003 Server Standard running as Terminal Server. Friday, installed 2 new Windows 7 machines to replace older XP machines. After adding these machines and their local printers, none of the otehr 16 Windows 7 machines can redirect printing to the server. I have checked Global Policy on domain controller, nothing is being blocked. In Terminal Services Manager, the client settings are set to User Client Settings. On RDP client, port redirection is enabled. I have tried disabling the Use Client Settings option and manually selected the options for print redirection and default printer connection, but still does not work. After some reaserching, I found this MS article: http://support.microsoft.com/kb/2492632 I went ahead and added the HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Terminal Server\Wds\rdpwd\fEnablePrintRDR DWORD that the article references and set it to "1" to enable the option. I restarted the server, but still would not print. I am getting quite desperate with this issue because nothing seems to have changed when installing the two new clients and printers. I uninstalled the print drivers for the printers from the server. I have even gone as far as connecting each of the printers manually via UPD (\computername\printer) but even thought it works, it prints awfully slow. Please help!!!!

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  • network latency, TCP and UDP packets

    - by user115848
    Hello recently my network has started to cause me lots of problems. I have a cable modem, connected to a tp-link router (with some port forwarding). Everything was working fine then i started to get lots of udp (port 53) "UNREPLIED" logs in the router. Now there are tcp UNREPLIED logs too. This is causing lots of latency and failed connections when trying to connect to different internet sites. Also, we run an openfire server for spark connections, and I believe its causing connectivity issues for some users who are trying to connect using Spark (some people connect fine, others don't). Please see screen shot below for packet logs. It has to be something internally, as I connected straight to the comcast modem and i was able to connect to the internet and various sites as normal. I tried to swap out the router with a different and got the same issue. I scanned both my internal dns servers for viruses or malware and it came up empty. Another anomaly is that when i try to connect to www.cnn.com, i get redirected to the different site. I scanned my own machine for hijacks. Not sure if this is related to the networking issue. Please let me know if you have any ideas for troubleshooting.

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  • Unable to connect host from guest VPC.

    - by Kabeer
    Hello. My host is WinXP and my guest (on VPC 2007) is also WinXP. Both have SP2. I am unable to ping either from one another. However, I am able to connect to the Internet from the guest. My intention is to be able to connect the SQL Server on the host from the Management Studio installed on the guest. Right now I am using Shared Networking (NAT) on the guest's settings.

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