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• If fiber runs 1gig fine, are there any concerns when considering upgrading to 10gig transceivers?

  - by Eric

  We had fiber installed (connecting ~10 buildings) around 5 years ago and it has been working great. The initial setup involved Procurve 2848 and 2824 switches w/ 1gig transceivers. However, lately we have been considering upgrading our network both to increase bandwidth and possibly add VOIP. However, a lot of this is assuming that we can just use pop the existing fiber into 10gig XFP transceivers in better switches and call it a day. If the fiber works fine at 1G does that mean it should be fine for 10gig? If not, how can we confirm that our existing fiber trunks will work, preferably in an affordable fashion?

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• OSX 10.6 integration into NIS/netgroup/automount infrastructure

  - by mdpc

  I have an existing infrastructure where accounts are maintained under NIS (yp) with no local unix accounts. Also, all the standard maps including hosts, mail aliases, netgroups, etc...are maintained in this form. Extensive use of the UNIX/Linux automounter with items scattered over the network on NFS servers. There are NO ACLs on any local or shared files. All mail needs to use basically the nullclient sendmail configuration feeding into a different system. I now have a requirement to integrate an Apple OSX 10.6 system into this environment and make it run seamlessly. My initial reading and second-hand information seems to indicate that this may not be possible on the native OSX 10.6 system. I'm concerned. Any ideas as to how to accomplish this task and make everybody happy? Thanks PS: I have never used an Apple OSX system.

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• Cannot access a web page?

  - by user40748

  Hello all, Recently, I could not access the webpage bbc.co.uk anymore, while I can access other websites smoothly. Ar first, I though there may be some problem with my laptop. However, if I use my laptop through my company network, I can load the page bbc.co.uk normally. Then, I though maybe my ADSL at home blocks that web address. However, I tried another laptop with my home ADSL and it can load the page bbc.co.uk very fast. Now I do not know what could be the problem. Can anyone tell me what could cause the issue, please? Thank you.

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• Cannot access a web page?

  - by ipkiss

  Hello all, Recently, I could not access the webpage bbc.co.uk anymore, while I can access other websites smoothly. Ar first, I though there may be some problem with my laptop. However, if I use my laptop through my company network, I can load the page bbc.co.uk normally. Then, I though maybe my ADSL at home blocks that web address. However, I tried another laptop with my home ADSL and it can load the page bbc.co.uk very fast. Now I do not know what could be the problem. Can anyone tell me what could cause the issue, please? Thank you.

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• Cannot access a web page?

  - by ipkiss

  Hello all, Recently, I could not access the webpage bbc.co.uk anymore, while I can access other websites smoothly. Ar first, I though there may be some problem with my laptop. However, if I use my laptop through my company network, I can load the page bbc.co.uk normally. Then, I though maybe my ADSL at home blocks that web address. However, I tried another laptop with my home ADSL and it can load the page bbc.co.uk very fast. Now I do not know what could be the problem. Can anyone tell me please? Thank you.

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• Website requests not reaching IIS?

  - by pete the pagan-gerbil

  To start off with a confession, I am not a server admin - just a developer tasked with getting to the root of a problem. Please be gentle! I have an intranet ASP.NET website running in IIS on a virtual machine. The website is not accessed very often (the last IIS log file was modified nearly six months ago). Both the IP address and Host header value are now failing to return the website, and the IIS log still doesn't show any more recent activity. The virtual machine was moved to a different physical location a few months ago, and the IP address for it has changed. Could this be what has broken access to the site? What else should I be checking to solve this? I don't have totally unrestricted access to the building's network settings, structures, etc. I would be grateful for any advice, even if I can't use it myself it'll improve my knowledge of what's going on behind the scenes!

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• recipient_delimiter in MS-Exchange

  - by guettli

  Most UNIX mail server support recipient delimiters behind a plus sign in email addresses. [email protected] In the above example "everything" could be any string, and the mail should get into the mail box of the user "user". In postfix it is called recipient_delimiter: http://www.postfix.org/postconf.5.html#recipient_delimiter Is this possible with Exchange 2010? Usecase1: The user can use different email addresses. He can use [email protected] for the communication with "fooshop". If he gets spam mail to this address later, he knows that fooshop has given his address to someone else. Usecase2: We run a ticket system ( http://tbz-pariv.de/software/modwork/ ) and want to add send scans via email to the system. The network scanner can only modify the to-address and we want to insert the ticket type like this [email protected]

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• Getting my IP off the hotmail blacklist

  - by Kai

  I got a new server with a new IP address. Apparently this IP is listed in the hotmail blacklists so that I can't send mails to hotmail users out of my webapplication. postfix/smtp[24706]: 8F31C9404B: to=<[email protected]>, relay=mx3.hotmail.com[65.55.37.88]:25, delay=0.66, delays=0.01/0/0.48/0.16, dsn=5.0.0, status=bounced (host mx3.hotmail.com[65.55.37.88] said: 550 SC-001 Unfortunately, messages from 78.47.228.xxx weren't sent. Please contact your Internet service provider since part of their network is on our block list. You can also refer your provider to http://mail.live.com/mail/troubleshooting.aspx#errors. (in reply to MAIL FROM command)) My hoster will not help me get that address removed from the blacklist. So I tried to find a way to do it on my own, but I can't find a way to ask Microsoft to remove my IP from that list. Has anyone managed to remove a falsely listed address? And if yes: how?

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• Adding a single 300Gb SCSI drive to poweredge 2850

  - by John Steele

  I have a 2850 setup with 3 146Gb drives, two partitions 1 12GB system with server 2003 sp2 and 1 261Gb Data. I am strapped on disk space on the data partition having to push data around. I wanted to add a 300Gb single drive for lesser critical data, is this possible? Or is it best to add 2 300Gb drives for another RAID 1 configuration? This is my church network and while it is mission critical it is not enterprise so I can take it down for a few hours. Any pointers to documentation or direct help would be greatly appreciated. John

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• What are some arguments AGAINST using EntityFramework?

  - by Rachel

  The application I am currently building has been using Stored procedures and hand-crafted class models to represent database objects. Some people have suggested using Entity Framework and I am considering switching to that since I am not that far into the project. My problem is, I feel the people arguing for EF are only telling me the good side of things, not the bad side :) My main concerns are: We want Client-Side validation using DataAnnotations, and it sounds like I have to create the client-side models anyways so I am not sure that EF would save that much coding time We would like to keep the classes as small as possible when going over the network, and I have read that using EF often includes extra data that is not needed We have a complex database layer which crosses multiple databases, and I am not sure EF can handle this. We have one Common database with things like Users, StatusCodes, Types, etc and multiple instances of our main databases for different instances of the application. SELECT queries can and will query across all instances of the databases, however users can only modify objects that are in the database they are currently working on. They can switch databases without reloading the application. Object modes are very complex and there are often quite a few joins involved Arguments for EF are: Concurrency. I wouldn't have to code in checks to see if the record was updated before each save Code Generation. EF can generate partial class models and POCOs for me, however I am not positive this would really save me that much time since I think we would still need to create the client-side models for validation and some custom parsing methods. Speed of development since we wouldn't need to create the CRUD stored procedures for every database object Our current architecture consists of a WPF Service which handles database calls via parameterized Stored Procedures, POCO objects that go to/from the WCF service and the WPF client, and the WPF client itself which transforms POCOs into class Models for the purpose of Validation and DataBinding.

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• Windows 2008 R2 server cannot access shares on other servers

  - by Rob

  I have a problem on my new 2008 R2 64-bit server. Essentially the server sometimes refuses to access shares on other server. in the format \\servernam\sharename sometime it works and then for a few hours it doesn't and then at randon it comes back online. This is a local AD network and have even put in a new gigabit switch between all server. All the old 2003 servers work fine so I know DNS and WINS is all ok. I get error 1006 in eventlog saying that my R2 server can't contact the domain controller when it clearly can. Just to add to the config, it is running on a Dell PowerEdge R410, Vmware Esxi 4.0 and R2 is configured as a terminal server. I can always view shares with FQDN This morning net view \\ did not work but net view \\ did. Very random and very frustrating. any ideas? thanks

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• How to use iSCSI inside HyperV VM?

  - by William

  I have 2 Dell R710 servers (intended to set up HyperV cluster) and a MD3000i SAN set up: Server1/Server2: NIC 1: connected to company LAN NIC 2: crossover to the other server's NIC 2 NIC 3: crossover to iSCSI port of SAN controller 1 NIC 4: crossover to iSCSI port of SAN controller 2 I have both servers setup as diskless servers with iSCSI boot from SAN without problem. But how can I access iSCSI from within the VM such that I can set up clustering inbetween the VMs? I can ping from the host to the SAN but found that NIC3/4 cannot be used for virtual network in HyperV? What am I doing wrong?

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• Oracle Number One in Supply Chain Planning

  - by Stephen Slade

  Something nice to write home about!  Saw this accomplishment and worth promoting, with special Congrats to the VCP team. Read on: Summary: Oracle is the #1 player in  Supply Chain Planning  according to research firm ARC Advisory Group Details: The report (Source: ARC Advisory Group, “Supply Chain Planning Worldwide Outlook, Market Analysis and Forecast through 2016,” Clint Reiser, Steve Banker), gives Oracle 21.1% of revenue share, compared to SAP, who was second at 18.6%. JDA Software, Aspen, Logility, and Infor were the next players in the market. The total market was valued at $1.506B. ARC counts Software (new license and upgrades), Implementation Services, Maintenance and Support, and SaaS, in its definition. ARC defines supply chain planning to include four key application areas: Extended SCP, Manufacturing Planning, Inventory/Distribution Planning, and Demand Management. Extended SCP consists of Network Design, Capable to Promise, SCP Composites, and Extended Supply Chain BI software. In the report, ARC further gives Oracle the number one spot in both Software Revenues and Services Revenues subsegments, as well as in many vertical areas such as Government, Electronics and Electrical, Medical Products, Pharmaceutical, and Wholesale/Distribution. ARC also issued a forecast, that predicts SCP revenue to grow from $1.506B in 2011 to $2.172B in 2016, with a CAGR of 7.6%. The report has several positive quotes about Oracle, including calling Oracle a “visionary,” and states that “Oracle has leveraged a broad set of home-grown and acquired offerings to create a comprehensive, integrated, yet modular suite with applicability to a wide range of industries,” Blog Link: http://blog.us.oracle.com/marketdata/?97119896  (shawn willett@oracle com)

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• Netgear FVX538v2 slow whene connected to Canoga Perkins N525 ETSU

  - by Doomloard

  First of all thank you in advance for helping me. my issue is the old network admin found a problem whene he connected the firewall and the ETSU together the through put went down to less than 1 mega bit a second. his fix was to add a dlink router between the firewall and the etsu which speed it up to 5 mega bits a second. now my boss wants a more clean and proper solution if possible. i have check all the settings in the netgear it dose not seem to be a setting issue. if anyone can help that would be great.

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• The OTN Lounge at JavaOne

  - by Tori Wieldt

  This year, the Oracle Technology Network Lounge at JavaOne will be in the Hilton Ballroom, right in the center of the JavaOne DEMOgrounds. We'll have Java experts, community members and OTN staff to answer your questions. We've also even created a "Mini Theater" for casual demos from community members (and you too, if you ask nicely and we can fit you in). We'll have a detailed schedule up soon. We're waiting for you! Tori Wieldt (@Java) will be in the booth, doing interviews for the Youtube/Java channel. Sonya Barry (@Javanetbuzz) will be around with the Java.net experts. Yolande Poirier will be there to discuss Making the Future Java for the next generation of Java developers. What would the lounge be without swag? Scan your badge each day for a raffle of great prizes, and of course, we'll have OTN T-shirts and some surprises throughout the week. Follow @JavaOneConf for details and updates. The Java DEMOgrounds will show you the latest in Java technologies, from team members who create and maintain Java, including: Recent and upcoming features for Java SE GlassFish Server Open Source Edition Java EE in Action Next-Generation Applications Java EE 7, HTML5, WebSockets, Caching JavaFX: The Rich Client Platform Rich, Compelling UI with JavaFX on Embedded Systems Java ME Embedded: Small, Intelligent, Connected Cutting-Edge JDK 7 and Java EE 6 Support with NetBeans Oracle Eclipse Projects Come by, find a couch, charge your laptop and meet old and new friends.

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• DHCPD Offering ip address on wrong subnet

  - by Logan

  I just recently added a new subnet for our wireless network to our DHCP configuration for the 192.168.254.0 subnet. Most of the time when wireless clients connect it works just fine. However, sometimes on seemingly random occasions the DHCP server will send out a DHCPOFFER with an IP address on the wrong subnet. Example: dhcpd: DHCPDISCOVER from MACADDRESS (ThinkBook2) via 192.168.254.1 dhcpd: DHCPOFFER on 192.168.22.236 to MACADDRESS (ThinkBook2) via 192.168.254.1 Here is the subnet configuration in dhcpd.conf: subnet 192.168.254.0 netmask 255.255.255.0 { option routers 192.168.254.1; range 192.168.254.34 192.168.254.254; default-lease-time 14400; authoritative; } How can I make sure the server always sends out an IP address on the right subnet?

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• Problems with RDC into Win2008 Server

  - by Jason

  I'm having the same problem with a variety of new machines that I have built. When I RDC into the machine, the display does not update correctly. I get partial images, or refreshes only every 20-30 seconds. It is completely unusable. Eventually, it will even disconnect even though I am logged in. From RDCing into the machine, it looks like the machine is down, but it is fine. I can connect to it with an monitor and the problem is not visible. I think it is a problem with my network configuration. What should I look for to resolve this?

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• SOA &amp; E2.0 Partner Community Forum &ndash; registration is open!

  - by Jürgen Kress

  March 15th and 16th 2011, Utrecht, The Netherlands   Do you want to learn about how to sell the value of Fusion Middleware by combining SOA and E2.0 Solutions?   Do you want to meet with Oracle SOA and E2.0 Product management?   Do you want to exchange your knowledge and learn from successful SOA, BPM, WebCenter and UCM     implementations?   Do you want to understand Oracle’s Fusion Applications Strategy?   Do you want to network within the Oracle SOA Partner Community and the Oracle E2.0 Partner Community? Then please register for the Oracle SOA and E2.0 Partner Community forum that will be held in Utrecht, The Netherlands, on March 15th and 16th. Registration is free of charge. During this forum you can learn from success stories of partners, join different breakout sessions, gain information from other SOA and E2.0 partners and listen to a vibrate panel discussion. Additionally to the SOA and E2.0 Partner Community Forum, you can participate in technical hands on workshops on March 17th and 18th. The goal of these workshops is to prepare you for customer implementations. Please register by clicking here. ORACLE SOA and E2.0 PARTNER COMMUNITY FORUM Dates: Tuesday 15 March 2011, 11.00 - 18.00 hrs & Wednesday 16 March 2011, 09.00 - 15.45 hrs Place: Capgemini, Utrecht Netherlands For more information on SOA Specialization and the SOA Partner Community please feel free to register at www.oracle.com/goto/emea/soa (OPN account required) Blog Twitter LinkedIn Mix Forum Wiki Website Technorati Tags: SOA Partner Community Forum,SOA,E2.0,David Shaffer,Oracle,SOA Suite,OPN,Jürgen Kress

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• Youtube video streaming slow

  - by Newbie

  When I try to stream youtube videos on my ubuntu 11.04, they don't stream smoothly. They buffer well and are choppy. Here's my Config: Laptop: Gateway NV58 Ram : 4 GB Ethernet Controller: Broadcom Corp NetLink BCM5784M Gigabit Ethernet PCIe (rev10) Let me know if you need more details. Thanks Newbie Output of "lspic": 00:00.0 Host bridge: Intel Corporation Mobile 4 Series Chipset Memory Controller Hub (rev 07) 00:02.0 VGA compatible controller: Intel Corporation Mobile 4 Series Chipset Integrated Graphics Controller (rev 07) 00:02.1 Display controller: Intel Corporation Mobile 4 Series Chipset Integrated Graphics Controller (rev 07) 00:1a.0 USB Controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #4 (rev 03) 00:1a.1 USB Controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #5 (rev 03) 00:1a.7 USB Controller: Intel Corporation 82801I (ICH9 Family) USB2 EHCI Controller #2 (rev 03) 00:1b.0 Audio device: Intel Corporation 82801I (ICH9 Family) HD Audio Controller (rev 03) 00:1c.0 PCI bridge: Intel Corporation 82801I (ICH9 Family) PCI Express Port 1 (rev 03) 00:1c.1 PCI bridge: Intel Corporation 82801I (ICH9 Family) PCI Express Port 2 (rev 03) 00:1c.2 PCI bridge: Intel Corporation 82801I (ICH9 Family) PCI Express Port 3 (rev 03) 00:1d.0 USB Controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #1 (rev 03) 00:1d.1 USB Controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #2 (rev 03) 00:1d.2 USB Controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #3 (rev 03) 00:1d.3 USB Controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #6 (rev 03) 00:1d.7 USB Controller: Intel Corporation 82801I (ICH9 Family) USB2 EHCI Controller #1 (rev 03) 00:1e.0 PCI bridge: Intel Corporation 82801 Mobile PCI Bridge (rev 93) 00:1f.0 ISA bridge: Intel Corporation ICH9M LPC Interface Controller (rev 03) 00:1f.2 SATA controller: Intel Corporation ICH9M/M-E SATA AHCI Controller (rev 03) 00:1f.3 SMBus: Intel Corporation 82801I (ICH9 Family) SMBus Controller (rev 03) 02:00.0 Ethernet controller: Broadcom Corporation NetLink BCM5784M Gigabit Ethernet PCIe (rev 10) 04:00.0 Network controller: Intel Corporation WiFi Link 5100

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• BPM 11gR1 now available on Amazon EC2

  - by Prasen Palvankar

  BPM 11gR1 now available on Amazon EC2The new Oracle BPM 11gR1, including the latest Oracle SOA Suite 11gR1 Patchset-2 is now available as an Amazon Machine Image (AMI). This is a fully configured image which requires absolutely no installation and lets you get hands on experience with the software within minutes. This image has all the required software installed and configured and includes the following:Oracle 11g Database Standard Edition Oracle SOA Suite 11gR1 Patch-set 2Oracle BPM 11gR1Oracle Webcenter with BPM Process SpacesOracle Universal Content ManagementOracle JDeveloper with SOA and BPM pluginsNote: Use of this AMI requires acceptance of Oracle Technology Network (OTN) terms of use.To use this AMI, follow these steps: Login to your Amazon account and browse to Amazon AWS Console. If this is the first time you are using Amazon Web Services please visit https://aws.amazon.com/ec2/ for information on Amazon Elastic Cloud Computing and how to get started with Amazon EC2Make sure your security group that you will be using to launch the instance allows the following ports to be opened:22 (SSH)1521, 7001, 8001, 8888, 9001Click on AMIsChange the Viewing filters to 64-bit and enter soa-bpm in the search box. You should see the following AMI:083342568607/oracle-soa-bpm-11gr1-ps2-4.1-pubSelect the AMI and click on Launch or Spot Request. For more information on spot requests, please visit the Amazon EC2 link aboveAccept all the defaults and launch the instanceWhen the instance state changes to running, copy the assigned public host name and connect to it using either PuTTY or SSH command. For PuTTY usage, refer to this document.Once you are connected to the instance using PuTTY or SSH, you will be presented with the terms of use.Accept the terms of use to proceed. This will prompt you to set passwords for your oracle OS login as well as for VNC. Note that the instance will not be usable until you have accepted the terms of use.The instance is now ready to use. The SOA/BPM and other servers are automatically started once you accept the term of use. Initial startups can take about 5-10 minutes.If you would like to use the JDeveloper installed in the AMI, you can access it either using VNC or NX. You can get the NX client from NoMachine./home/oracle/README.txt contains all the URLs that you can use to access the Enterprise Manager, BPM Composer, BPM Workspace, Webcenter etc.

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• Today in the OTN Lounge (Tuesday October 2, 2012)

  - by Bob Rhubart

  Here's a quick rundown of today's activities in the OTN Lounge:   (OTN Lounge hours today: 8:00 am - 7:00 pm) 9:00 am - 1:00 pm RAC Attack Learn about Oracle Real Application Clustering (RAC) in this collaborative event. You'll work with experts from the IOUG RAC SIG to get an Oracle Database 11gR2 RAC cluster running inside a virtual machine. For more information: RAC attack at Oracle Open World (Pythian Blog) RAC Attack - Oracle Cluster Database at Home/Events (WikiBooks) 4:30 pm - 8:00 pm Oracle Social Network Developer Challenge Office Hours Find information, expertise, and a collaborative work environment for those participating in the OSN Developer Challenge. Click here for more information. 4:30 pm - 6:00 pm Oracle Database / Oracle Fusion Middleware Tweet Meet Free as in beer! Oracle Database and Oracle Fusion Middleware tweeters, gather in the OTN Lounge for refreshments and conversation with fellow tweeters and Oracle Database and Middleware experts. The OTN Lounge is located in the Howard St. Tent, between 3rd and 4th, directly between Moscone North and Moscone South. Access to the OTN Lounge requires an Oracle OpenWorld or JavaOne conference badge.

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• How to connect XP mode VM to the host so as to simulate LAN Activities?

  - by rsjethani

  First of all my PC config: Host:Windows 7(32-bit) Guest: Windows XP SP3 as XP Mode. Integration Features Disabled(I don't think it has any thing to do with networking). Network Connections on Host : 1.Local Area Connection(Realtek...) - unplugged(as no other PC is connected). 2.Nokia 2730 classic USB Modem - I use this connect to the internet. Now,How can I connect the guest to the host as if they were on a LAN. Please give specific steps as I am using Windows XP Mode/Virtual machine for the first time.

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• Using XFCE4 with awesome

  - by whitequark

  When I got tired of using the standard XFCE window manager, xfwm, I simply installed openbox and selected "XFCE/Openbox" session in the GDM login screen. This was very convenient because I didn't want the plain Openbox session in which there are no network-manager, no panels, nothing. Now I have installed awesome: I really like the idea of tiling window managers. But after I launched it, everything went wrong. Absence of XFCE panels isn't anything bad, but subpixel-aliased fonts were somehow turned on, and that was really awful. I tried to login in XFCE, kill openbox/xfwm and start awesome, but that didn't worked: xfce4-session keeps restarting it's predefined WM, and killing it kills the whole X session too. And I didn't found the configuration for a dropdown list in GDM either. How can I start XFCE session with awesome as a WM?

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• Using NPS to restrict access to WLAN

  - by eric.s

  We currently have one WLAN that only domain users can connect to. We will be adding a guest WLAN and would like all non-domain machines to use this, even if a user has a domain account. We have set up NPS and can log in against it, but we can not restrict the connection option to be a domain computer AND a domain account. As a network policy it states that it moves along through each policy until it finds one that it accepts or runs out. For connection request policies Domain Computers is not an option. This is where I thought I may be able to stop it. Has anyone been able to successfully restrict this without manually adding MACs to the WLAN Controller?

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• Recommendation for e-mail forwarding

  - by Paul Mrozowski

  We currently have a provider that we use to primarily forward our e-mails to both a hosted Exchange site and to outside e-mail addresses. We have a large # of forwards set-up (maybe 500). They work fine for us but the bandwidth costs are a getting pretty expensive (approx 80GB in email a month) so we're looking for a less expensive alternative (it costs us nearly $150/mo). I've looked at just hosting this here via a PostFix server and one of the nice front-ends available for it. However, I'm not thrilled with the prospect of being responsible for maintaining yet another server, backups, network connectivity, etc. So I'm leaning towards having this hosted by someone else if possible. Does anyone have any recommendations for hosting providers? Are there some I should stay away from?

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