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  • iPad revocable vpn access

    - by carpat
    I'm a programmer at my organization, but somehow got drafted into looking into some server stuff so forgive me of my ignorance: They want to give our sales people secure access to our internal sites using their iPads. This must be secure (obviously) but also revocable from the company's side (if someone quits they can no longer access our network). I see from http://support.apple.com/kb/HT1288 that the iPad supports "RSA SecurID", "CRYPTOCard", and "Kerberos" authentication methods. Will one of these do what we need? Are there any major differences between them?

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  • Wired card not connecting after trying to connect

    - by Mike
    I have an Ubuntu 12.10 PC. When I plug in my internet cable it starts connecting and after a minute it says it can't connect. I tried different cables but nothing works. Wlan works. I think it's the network driver but I don't know how to install/update it. Here's the ifconfig info (if it helps): eth0 Link encap:Ethernet HWaddr 00:01:6c:39:2a:8d inet6 addr: fe80::201:6cff:fe39:2a8d/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:2011 errors:0 dropped:362 overruns:0 frame:0 TX packets:586 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:175452 (175.4 KB) TX bytes:147211 (147.2 KB) lo Link encap:Local Loopback inet addr:127.0.0.1 Mask:255.0.0.0 inet6 addr: ::1/128 Scope:Host UP LOOPBACK RUNNING MTU:16436 Metric:1 RX packets:9779 errors:0 dropped:0 overruns:0 frame:0 TX packets:9779 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:8460080 (8.4 MB) TX bytes:8460080 (8.4 MB) wlan0 Link encap:Ethernet HWaddr 08:10:74:35:99:9d inet6 addr: fe80::a10:74ff:fe35:999d/64 Scope:Link UP BROADCAST MULTICAST MTU:1500 Metric:1 RX packets:1790 errors:0 dropped:0 overruns:0 frame:0 TX packets:3250 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:401664 (401.6 KB) TX bytes:2898773 (2.8 MB)

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  • Diving into a computer science career [closed]

    - by Willis
    Well first I would like to say thank you for taking the time to read my question. I'll give you some background. I graduated two years ago from a local UC in my state with a degree in cognitive psychology and worked in a neuroscience lab. During this time I was exposed to some light Matlab programming and other programming tidbits, but before this I had some basic understanding of programming. My father worked IT for a company when I was younger so I picked up his books and took learned things along the way growing up. Naturally I'm an inquisitive person, constantly learning, love challenges, and have had exposure to some languages. Yet at this point I was fully pursue it as a career and always had this in the back of my head. Where do I start? I'm 25 and feel like I still have time to make a switch. I've immersed myself in the terminal/command prompt to start, but which language do I focus on? I've read the A+ book and planning to take on the exam, then the networking exam, but I want to deal with more programming, development, and troubleshooting. I understand to get involved in open source, but where? I took the next step and got a small IT assistant job, but doesn't really deal with programming, development, just troubling shooting and small network issues. Thank you!

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  • Lots of files being used by blank web page. What are they?

    - by byronyasgur
    I am trying to optimise a website and I was using the network waterfall facility in Google Chrome. When I looked at the results there were lots of files which I didnt recognise. I first thought they might be something to do with Google Chrome itself, so I put a blank HTML file on my desktop and checked but there was nothing in the waterfall except the file itself. So I put a blank file on my server and I got the output below. What are all these files, are they all necessary, is this normal and do I need to be in any way concerned. My hosting provider has always been excellent in every regard that I'm aware of. My host is shared hosting, using cpanel and is based on a LAMP server. I also note that a couple of those file have problems but I have no idea how to fault find that or whether it's a concern. EDIT: I have cleared the cache so I don't think it's a browser cache issue.

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  • How to make ip Address static (eth0)

    - by Jordan Angelucci
    I'm having a really hard time configuring ubuntu 13.04 to have a static ip address. I have tried multiple solutions but everytime I reboot (can't do the network reset command because ubuntu freezes) I end up with no connection. Here is what I get when i type ifconfig into the terminal: eth0 Link encap:Ethernet HWaddr 10:bf:48:bc:07:cb inet addr:192.168.0.8 Bcast:192.168.0.255 Mask:255.255.255.0 inet6 addr: fe80::12bf:48ff:febc:7cb/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:1763067 errors:0 dropped:0 overruns:0 frame:0 TX packets:1024326 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:2284491220 (2.2 GB) TX bytes:136809317 (136.8 MB) lo Link encap:Local Loopback inet addr:127.0.0.1 Mask:255.0.0.0 inet6 addr: ::1/128 Scope:Host UP LOOPBACK RUNNING MTU:65536 Metric:1 RX packets:1840 errors:0 dropped:0 overruns:0 frame:0 TX packets:1840 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:185688 (185.6 KB) TX bytes:185688 (185.6 KB) I have also tried this: auto lo iface lo inet loopback auto eth0 iface eth0 inet static address 192.168.0.160 netmask 255.255.255.0 broadcast 192.168.0.255 gateway 192.168.0.1 dns-nameservers 24.222.0.94 dns-nameservers 24.222.0.95 If anyone could help me it would be very much appreciated.

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  • Motherboard: Intel S5520HCR s1366 SSI EEB

    - by Crazy_Bash
    I'm building a storage server for online video streaming. I thought about adding two SSD drive for a OS. other 15*(12 SATA & 3 SSD) drives i want to build with aufs XFS and ethernet 4GB/sec network. But I'm confused a little. S5520HCR board supports 6, SATA/300, RAID: 0, 1, 10, Intel ICH10R. Does it mean i can use SATAIII HDD? I'm planing on buying SEAGATE SV35 Series (3.5, 3??, 64??, SATA III-600). also my Chassis supports up-to 16 sata and the motherboard only 6 what kind of sata controller should i use? What's better in terms of performance 1366 or 2011 socket? My server so far: AIC RSC-3EG-80R-SA1S-2 3U Motherboard: Intel S5520HCR s1366 SSI EEB Kingston DDR3 8192Mb PC3-10600 1333MHz (KVR1333D3N9/8G) Seagate 3000GB 64MB 3.5" 7200rpm SATAIII (ST3000DM001) Kingston 480GB SSD 2.5" SATAIII Intel E1G44HTBLK Intel Xeon E5606 2133MHz/L3-8192Kb/QPI s1366 tray SERVER ACC CARD SAS PCIE 16P HBA 9201-16I LSI00244 SGL LSI

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  • How can I measure TCP timeout limit on NAT firewall for setting keepalive interval?

    - by jmanning2k
    A new (NAT) firewall appliance was recently installed at $WORK. Since then, I'm getting many network timeouts and interruptions, especially for operations which would require the server to think for a bit without a response (svn update, rsync, etc.). Inbound SSH sessions over VPN also timeout frequently. That clearly suggests I need to adjust the TCP (and ssh) keepalive time on the servers in question in order to reduce these errors. But what is the appropriate value I should use? Assuming I have machines on both sides of the firewall between which I can make a connection, is there a way to measure what the time limit on TCP connections might be for this firewall? In theory, I would send a packet with gradually increasing intervals until the connection is lost. Any tools that might help (free or open source would be best, but I'm open to other suggestions)? The appliance is not under my control, so I can't just get the value, though I am attempting to ask what it currently is and if I can get it increased.

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  • Linux Mint on VirtualBox has no internet connection

    - by Martin
    Physical machine: Mac Mini running OSX 10.7.5 Virtual machine: Linux Mint 15 Cinnamon 64-bit Using VirtualBox. I am trying to make the linux connect to the internet. For some reason I can access the host computer with 192.168.2.100. Its set up to show me a web-page that says "It works". This I can see from the linux. But I cannot reach anything on the internet. Either FireFox says "Unable to connect" or when I run nslookup google.com I get connection timed out; no servers could be reached. My setting on VirtualBox under the Network tab are: Bridge Adapter vnic0 promiscouos Mode:Allow All`. If it makes a difference, the host has a WiFi connection to the home router. What have I missed?

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  • Logs being flooded from Squid for having intercepted and authentication enabled together

    - by Horace
    I have done some hefty Google'ing and I can't seem to find a single solution to this issue that I cam currently experiencing. Here is a sample configuration from squid that I have: # # DIGEST Auth # auth_param digest program /usr/sbin/digest_file_auth /etc/squid/digpass auth_param digest children 8 auth_param digest realm LHPROJECTS.LAN Network Proxy auth_param digest nonce_garbage_interval 10 minutes auth_param digest nonce_max_duration 45 minutes auth_param digest nonce_max_count 100 auth_param digest nonce_strictness on # Squid normally listens to port 3128 # Squid normally listens to port 3128 http_port 192.168.10.2:3128 transparent https_port 192.168.10.2:3128 intercept http_port 192.168.10.2:3130 As noted above, I have three ports defined, 2 of them are transparent/intercept and one is a regular http port (which I use for authentication). Which works rather well in this configuration however my logs are getting flooded of this entry authentication not applicable on intercepted requests whenever a transparent connection is made. So far, I can't seem to find any documentation that would describe how to suppress these messages ?

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  • Computer Invisible On Domain

    - by Giawa
    Good afternoon, I'm sorry that this isn't a programming question specifically, but stackoverflow has been great at answering questions in the past, so I thought I'd give it a shot. One of our Linux users attempted to install Cygwin on our Windows Server 2008 Domain Controller. Now it is no longer possible to browse the domain and see all of the computers. For example, \\my_domain_name will just bring up a username/password dialog box (that will not accept any username or password, even the domain administrator) and no computers will ever be listed. However, I can still connect to computers based on their name or IP address. So \\eridanus or \\192.168.1.85 still work to connect to the shared directories of computers on our network. Does anyone know where I can find these settings? and how I can fix this problem? Thanks, Giawa

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  • Cannot resolve a single A Record from client machine

    - by Alex
    I set up a simple Bind server on my VPS and it is working properly. The problem occurs with my local windows machines, which are connected to internet through the home router. I created an A-record named 'dev' and it is invisible from my local network for some reason, though people from other locations can resolve dev.mydomain.com. Ironically, dev.mydomain.com cannot be resolved for myself only. If I add another A-record, say, 'gamma' then it becomes visible from my local windows machines instantly. So this is just for that particular 'dev' name. The only difference is that I had dev.mydomain.com server on another IP but that was a month ago; all nameservers have been changed since then. I tried to reboot my router and flushed dns cache on windows machines: no result. Thank you in advance.

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  • Most secure way to have IPtables auto-loaded using Debian / Linux

    - by networkIT
    I'd like to know the safest way to load iptables using Debian. Of course, I can use a script that uses iptables-restore : #!/bin/sh iptables-restore < /etc/firewall.conf but : 1) where is the safest place to have it loaded ? /etc/network/if-up.d ? I'm concerned about the script being loaded early enough at boot time, and reliably enough when plugging/unplugging interfaces ... 2) is this script method using iptables-restore the most secure way ? 3) additionnally, how much does the answer validity stretch to other Linux distros ( Ubuntu, Fedora, CentOS ) ? Thanks ^^

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  • Log highlighted lines to window in irssi

    - by Sebastian P.
    I usually keep an irssi session running on my server at all times. Often times it also takes me quite a while between remembering that I in fact have it running. Therefore I'd like to know if there's an easy way to log all lines that are highlighted to a custom window, such that I later, when I return, can see what people have said that was directed at me. Most useful would of course be if it logged both nickname, time and place (channel, network) of the message. I've been looking around, and haven't managed to get anything working which accomplishes this, so it would be splendid if such a thing existed.

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  • Outlook is trying to retrieve data from Microsoft Exchange

    - by Adrian Baker
    Some of my users on my network keep getting a pop up message saying "Outlook is trying to retrieve data from Microsoft Exchange". Microsoft Office 2003 is installed on these computers and when this message appears it freezes every users outlook. I have read some articles, and they say it a problem with 2002 and 2003 version of outlook. So I have changed some users Office to MS Office 2007 but still I have the same problem. This is become a big problem as it is happening often and users are getting annoyed. If anyone can give me some advise on how to solve this problem and what could be causing this problem I would be most grateful.

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  • Using cd Command in Windows Command Line, Can't Navigate to D:\

    - by nicorellius
    This may be a stupid question, and I think I have looked elsewhere to find the answer... Might be a path issue, but when I open the command line and type from the C:\>: cd D:\ I cannot get to the D drive. Even if I type: cd D:\<folder name> The command.exe will auto-complete the line with the tab key, so it knows where I'm at. It just doesn't print to screen the result or actually get me there. This problem exists for the network drives as well. Now, if I use the chdir (cd) command like this: chdir D: or cd d: I get the print out of the D:\ below the command but it still says I'm in the C:\. I feel like I'm missing something simple.

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  • Disable Thunderbird "failed to connect" notifications

    - by The Electric Muffin
    My network manager doesn't start until I log in, so for the first ten seconds or so after I login I have no Internet connection. The problem is that I have Thunderbird set to automatically start on login, so it helpfully tells me it "failed to connect" every time I log in. Also, my Internet connection isn't too reliable, so I sometimes get those messages even when I'm supposedly connected. Is there any way to disable these notifications, while still allowing the ones about new mail? Computer info: Thunderbird 15.0 $ uname -a Linux [HOSTNAME REDACTED] 3.2.0-29-generic #46-Ubuntu SMP Fri Jul 27 17:03:23 UTC 2012 x86_64 x86_64 x86_64 GNU/Linux Probably irrelevant: NetworkManager Version 0.9.0.1 (nm09 20120407) KDE Platform Version 4.8.4 (4.8.4)

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  • AR242x / AR542x wireless card not working

    - by Pipan87
    My wifi worked perfect until I updated to the latest version of Ubuntu. Now I don't find any wireless connections at all. I have tried lots of guides on the internet but I can't get it to work. I did however start to work once after writing something I don't remember in Terminal, but after rebooting it stopped working again. Some info (don't know if you need more to help): 01:00.0 Ethernet controller: Atheros Communications AR8121/AR8113/AR8114 Gigabit or Fast Ethernet (rev b0) Subsystem: Acer Incorporated [ALI] Device 022c Flags: bus master, fast devsel, latency 0, IRQ 44 Memory at 55200000 (64-bit, non-prefetchable) [size=256K] I/O ports at 3000 [size=128] Capabilities: [40] Power Management version 2 Capabilities: [48] MSI: Enable+ Count=1/1 Maskable- 64bit+ Capabilities: [58] Express Endpoint, MSI 00 Capabilities: [100] Advanced Error Reporting Capabilities: [180] Device Serial Number ff-93-2e-de-00-23-8b-ff Kernel driver in use: ATL1E Kernel modules: atl1e 02:00.0 Ethernet controller: Atheros Communications Inc. AR242x / AR542x Wireless Network Adapter (PCI-Express) (rev 01) Subsystem: Foxconn International, Inc. Device e00d Flags: bus master, fast devsel, latency 0, IRQ 18 Memory at 54100000 (64-bit, non-prefetchable) [size=64K] Capabilities: [40] Power Management version 2 Capabilities: [50] MSI: Enable- Count=1/1 Maskable- 64bit- Capabilities: [60] Express Legacy Endpoint, MSI 00 Capabilities: [90] MSI-X: Enable- Count=1 Masked- Capabilities: [100] Advanced Error Reporting Capabilities: [140] Virtual Channel Kernel driver in use: ath5k Kernel modules: ath5k

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  • Dhcp clients fail after successful import of server to new machine (win2k3)

    - by Tathagata
    I transfered the configs of a dhcp server from one server to another both running Windows Server 2003 R2 following http [://] support.microsoft.com/kb/325473. The new server has a statically configured ip(outside the scope) like the old one. Stopped the server on the old, and started up in the new server (authorized too) - but when I ipconfig /renew from a client its network interface fails with all 0.0.0.0 (or 169...*). I read somewhere I need to reconcile the scope to sync the new registry values ('ll try this tomorrow). What other troubleshooting steps can I take other than these (which didn't help)? Things work fine when the old server resurrects and the new one is taken down. The new server showed there was no requests for offer.

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  • Outlook + Exchange 2007: it is possible to rid of local OST files?

    - by kdl
    I am looking for a solution which would allow to use a convenience of Outlook as a mail client app while at the same time have no PST or OST files on a local computer. Even in 'non-caching' mode Outlook creates an OST file where it downloads everything from the Exchange server. OWA does not create any local files (except cookies I believe) but lacks some of the nice features Outlook has. Would it be feasible to place OST files on a network share? Maybe the solution exists for some other client+server pair?

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  • Downloading a repository for local use

    - by EBV2010
    I'm trying to get Thunderbird working in such a way that it will properly work with Kolab groupware. For that I need it to be in a fixed setup of Thunderbird and add-ons (Lightning, SyncKolab) without automatic updates and I need to present version of Thunderbird to be available for the users. What I hope to achieve is that the repository for Thunderbird as it is now on http://ppa.launchpad.net/mozillateam/thunderbird-stable/ will be available on my local server so I always use that version even if Thunderbird goes to a new stable version. What I hope to achieve is this: - I copy the content of http://ppa.launchpad.net/mozillateam/thunderbird-stable/ to my server - I make it available as a repository on my network I neither know if this is possible or allowed under the license etc.

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  • How to configure a static wildcard subdomain with dnsmasq.

    - by Prody
    I have a network behind a NAT with a few machines. The machines are: router - NAT, dnsmasq, forwarding - directly connected to the inet server - which runs ssh, www and some other stuff clients - which do stuff on server I also have mydomain.com. server.mydomain.com is pointing to my connection's IP (single IP), which is the router, which forwards ports to server. Server, has a httpd running, which serves different sites based on vhosts. So I have site1.server.mydomain.com, site2.. The problem is that all the traffic is going thru the router, and when I check logs I always see the router's IP for everything (so it's hard to see who is running the script with the while(1)). I would just ServerAlias site1.server.local, but most of the sites have a root URL saved somewhere on top of which other URLs are built, so I can't do that. The solution for me would be telling dnsmasq somehow to answer to *.mydomain.com with server's IP. Is this possible somehow?

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  • Social Media Stations for Partners

    - by Oracle OpenWorld Blog Team
    By Stephanie Spada One of our exciting additions to this year’s Oracle Partner Network Exchange @ OpenWorld are Social Media Stations.  Partners have the opportunity to get customized, face-to-face expert advice on how they can better engage their customers and find new prospects online using social media tools.When: Sunday, September 30Time: 3:00 p.m.–5:00 p.m.Where: Moscone South, Esplanade levelWhen: Monday, October 1Time:  9:30 a.m.–6:00 p.m.Where: Moscone South, OPN Lounge, Exhibitor levelEach customized social media consultation will take only 25 minutes. Here’s how it works:·    Partners check in with a Social Media Rally coordinator who will assess needs and make the right connections for each session·    Partners go to the Photo Station, where a headshot will be taken that can be used on social profiles, Websites or for articles and posts across the Web·    Partners meet with the One-2-One consultants who will walk them through how they’re using social media today and what next steps could beSocial media channels/methods discussed can include Google+, Google Alerts, Google Analytics, Facebook, LinkedIn, Search Engine Optimization, Twitter, and more.  With so many choices, partners can decide how to focus their time.To get the most out of the Social Media Stations, partners should:·    Wear appropriate attire for the headshot photo·    Bring log-in information for social platforms they want to discuss·    Come prepared with questions for the One-2-One consultation so session time can be maximizedFor questions, or to schedule a session ahead of time, partners should send an email to: [email protected].

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  • Is it possible to host a web server from behind a NAT

    - by iamrohitbanga
    My PC is behind a NAT router that has a public IP address. If I want to host a website then I believe I need a domain name which I can purchase from some site which would pledge to resolve all DNS requests for that domain name and send the IP address of my NAT router (assuming I do not want to host my domain name on their servers). Now I want to host a web server on my computer. What changes should be done to the NAT router's configuration to forward all HTTP requests for example.com to my PC in the internal network. Is the above strategy correct? Is it commonly used?

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  • NSD reply from unexpected source

    - by Ximik
    I have server with NSD. There are MAIN_IP and ADD_IP. When I try to get IP of my site from server I have right output dig @localhost my_site.com But when I try to make this from my PC, I have dig @my_ns_server.com my_site.com ;; reply from unexpected source: MAIN_IP#53, expected ADD_IP#53 (ADD_IP is IP of my_ns_server.com) What should I do? UPD: My interfaces conf auto eth2 allow-hotplug eth2 iface eth2 inet static address xxx.xxx.xxx.234 netmask 255.255.255.252 network xxx.xxx.xxx.232 broadcast xxx.xxx.xxx.235 gateway xxx.xxx.xxx.233 dns-nameservers MY_ISP_IP dns-search MY_ISP_DOMAIN auto eth2:0 iface eth2:0 inet static address xxx.xxx.xxx.124 netmask 255.255.255.0 xxx.xxx.xxx is the same for all IPs

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  • Lots of artifacts while streaming HD content with VLC 0.9.9 on CentOS

    - by Zsub
    I'm trying to stream (multicast) a x264 encoded file using VLC. This in itself succeeds, but the stream has a huge lot of artifacts. This seems to suggest that the data cannot be transported fast enough. If I check network usage, though, it's only using about 15 mbit. I have a similar SD stream which functions perfectly. I think I could improve stream performance by not streaming the raw data, but I cannot seem to get this working. It seems that on keyframes all artifacts are removed for a short while (less than a second). This is the command I use: vlc -vv hdtest.mkv --sout '#duplicate{dst=rtp{dst=ff02::1%eth1,mux=ts,port=5678,sap,group="Testgroup",name="TeststreamHD"}}' --loop Which is all one long line.

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