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• Staying anonymous while hosting your site?

  - by jamesCroft

  I don't mean anonymous surfing. I mean hosting and having your own domain and such. The reason is that my blog is about religious/political topics which may cause me trouble in the future. This is the domain I am working on: www.james-croft.com I know that using Whois search my name can come up: http://www.networksolutions.com/whois-search/james-croft.com The solution to that, as far as I understood, is to buy a privacy package from the domain registrar. in my case it is lucky register: http://i.stack.imgur.com/uvOdc.png Also hosting is a concern. I use the same hosting service for multiple websites. My question is this: Can my hosting be tracked and be used to identify me? Also: Are there other methods of finding out my identity from either Google Adsense or Amazon affiliate programs? I couldn't find any relevant articles online. If there is anything else that is relevant, please let me know. I appreciate any response.

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• Always failed in connecting to the Outlook Anywhere through TMG 2010 with certificate ?

  - by Albert Widjaja

  Hi, I have successfully published Exchange Activesync using TMG 2010 and OWA internally only but somehow when I tried to publish the Outlook Anywhere it failed ( as can be seen from the https://www.testexchangeconnectivity.com ) Settings: IIS 7 settings, I have unchecked the require SSL and "Ignore" the client certificate Exchange CAS settings: ServerName : ExCAS02-VM SSLOffloading : True ExternalHostname : activesync.domain.com ClientAuthenticationMethod : Basic IISAuthenticationMethods : {Basic} MetabasePath : IIS://ExCAS02-VM.domainad.com/W3SVC/1/ROOT/Rpc Path : C:\Windows\System32\RpcProxy Server : ExCAS02-VM AdminDisplayName : ExchangeVersion : 0.1 (8.0.535.0) Name : Rpc (Default Web Site) DistinguishedName : CN=Rpc (Default Web Site),CN=HTTP,CN=Protocols,CN=ExCAS02-VM,CN=Servers,CN=Exchange Administrative....... Identity : ExCAS02-VM\Rpc (Default Web Site) Guid : 59873fe5-3e09-456e-9540-f67abc893f5e ObjectCategory : domainad.com/Configuration/Schema/ms-Exch-Rpc-Http-Virtual-Directory ObjectClass : {top, msExchVirtualDirectory, msExchRpcHttpVirtualDirectory} WhenChanged : 18/02/2011 4:31:54 PM WhenCreated : 18/02/2011 4:30:27 PM OriginatingServer : ADDC01.domainad.com IsValid : True Test-OutlookWebServices settings: 1013 Error When contacting https://activesync.domain.com/Rpc received the error The remote server returned an error: (500) Internal Server Error. 1017 Error [EXPR]-Error when contacting the RPC/HTTP service at https://activesync.domain.com/Rpc. The elapsed time was 0 milliseconds. https://www.testexchangeconnectivity.com testing result: Checking the IIS configuration for client certificate authentication. Client certificate authentication was detected. Additional Details Accept/Require client certificates were found. Set the IIS configuration to Ignore Client Certificates if you aren't using this type of authentication. environment: Windows Server 2008 (HT-CAS) Exchange Server 2007 SP1 TMG 2010 Standard Outlook 2007 client SP2. Any kind of help would be greatly appreciated. Thanks.

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• RPM Spec How to specify in package so that previous RPM is removed

  - by user123819

  Question: What do I put in the foo.spec file so that the rpm's will remove the previous rpm before installing? Description: I have created a spec file that creates rpm's for a few packages that use the same source and provide the same service, each with a slightly different configuration. E.g. they each provide the same "capability" Here's an example of the essentials that my .spec file looks like: %define version 1234 %define name foo %define release 1 %define pkgname %{name}-%{version}-%{release} Name: %{name} Version: %{version} Release: %{release} Provides: %{name} %package one Summary: Summary for foo-one Group: %{group} Obsoletes: %{name} <= %{version} Provides: %{name} = %{version} %description one Blah blah blah %package two Summary: Summary for foo-two Group: %{group} Obsoletes: %{name} <= %{version} Provides: %{name} = %{version} %description two Blah blah blah # %prep, %install, %build and %clean are pretty simple # and omitted here for brevity sake %files one %defattr(-,root,root,-) %{_prefix}/%{pkgname} %files two %defattr(-,root,root,-) %{_prefix}/%{pkgname} When I install the first one, it installs ok. I then remove the first one, and then install the second one, that works fine too. I then install the first one, followed immediately by installing the second one, and they both install, one over the other, but, I was expecting that the second one would be removed before installing the second. Example session: # rpmbuild foo and copy rpms to yum repo $ yum install foo-one ... $ yum list installed|grep foo foo-one.noarch 1234-1 @myrepo $ yum install foo-two ...[Should say that it is removing foo-one, but does not]... $ yum list installed|grep foo foo-one.noarch 1234-1 @myrepo foo-two.noarch 1234-1 @myrepo $ rpm -q --provides foo-one foo = 1234 foo-one = 1234-1 $ rpm -q --provides foo-two foo = 1234 foo-two = 1234-1 What do I put in the foo.spec file so that the rpm's will remove the previous rpm before installing? Thank you, .dave.

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• Online Storage and security concerns

  - by Megge

  I plan to set up a small fileserver. I already own a small server at HostEurope (VirtualServer L, 250GB space), but they don't offer enough space (there is the HostEurope Cloud, but paying for bandwidth isn't an option here, video-streaming should be possible) Requirements summarized: Storage: 2TB, Users: ~15, Filesizes: < 100GB, should be easily reachable (Mount as a networkdrive or at least have solid "communication" software) My first question would be: Where can I get halfway affordable online storages? And how should I connect them to my server? Getting an additional server is a bit overkill, as I know no hoster which allows 2 TB on a small 2 Ghz Dual Core 2 GB RAM thingy (that would be enough by far, I just need much space), and connecting it via NFS or FTP over Internet seems a bit strange and cripples performance. Do you have any advice where I could get that storage service from? (I sent HostEurope a custom request today, but they didn't answer till now. If they can provide me with that space, this question will be irrelevant, but the 2nd one is the more important one anway, don't do much more than recommend me some based on experience, you don't have to crawl hours through hosting services) livedrive for example offers 5 TB for 17€ / month, I'd be happy with 2 TB for 20 €, the caveat is: It doesn't allow multiple users, which leads me to my second question: Where are the security problems? Which protocol is sufficient (I want private and "public" folders etc. the usual "every user has its own and a public space"-thing), secure and fast? (I'd tend to (S)FTP, problem with FTP is: Most of those hosting services don't even allow FTP with mutliple users and single users lead me into "hacking" a solution (you could map the basic folder structure on the main server and just mount every subfolder from the storage, things get difficult with a public folder with 644 permissions though) Is useing something like PKI or 802.1X overkill for private uses?

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• Looking for updated BIOS for '99 Gateway in order to format/recognize >127 GB HD

  - by Jeff

  I have a '99 Gateway that's apparently too old for even Gateway to acknowledge it exists. Want to use it as a media hub and put in a 320GB HD, but it will not format above 127GB even running Win XP SP3. Read somewhere that upgrading the BIOS may do the trick, but I can't find the correct BIOS, and GW has been no help. Hoping I can just upgrade the BIOS, which is 11 years old. Any help would be much appreciated! I don't know where to look, and searches have been fruitless. System info: OS Name Microsoft Windows XP Home Edition Version 5.1.2600 Service Pack 3 Build 2600 OS Manufacturer Microsoft Corporation System Name xxxx System Manufacturer Gateway System Model TABOR_II System Type X86-based PC Processor x86 Family 6 Model 7 Stepping 3 GenuineIntel ~596 Mhz BIOS Version/Date Intel Corp. 4W4SB0X0.15A.0015.P10, 9/28/1999 SMBIOS Version 2.1 BIOS info (from a free app I located): BIOS Type: Phoenix BIOS Date: September 28th 1999 BIOS ID: 4W4SB0X0.15A.0015.P10.9909281445-None BIOS OEM: 4W4SB0X0.15A.0015.P10 Chipset: Intel 440BX/ZX rev 3 SuperIO: SMC 70x or 80x rev 0 at port 0370 Manufacturer: Gateway Motherboard: WS440BX

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• Disabling CPU management

  - by Tiffany Walker

  If I add the following processor.max_cstate=0 to the kernel command line for boot up, does that disable all CPU power management and throttling? I also found: http://www.experts-exchange.com/OS/Linux/Administration/A_3492-Avoiding-CPU-speed-scaling-in-modern-Linux-distributions-Running-CPU-at-full-speed-Tips.html The link talks of Change CPU governor from 'ondemand' to 'performance' for all CPUs/cores and disabling kondemand from kernel. Server is for web hosting UPDATES: 2.6.32-379.1.1.lve1.1.7.6.el6.x86_64 #1 SMP Sat Aug 4 09:56:37 EDT 2012 x86_64 x86_64 x86_64 GNU/Linux . # dmidecode 2.11 SMBIOS 2.6 present. 74 structures occupying 2878 bytes. Table at 0x0009F000. Handle 0x0000, DMI type 0, 24 bytes BIOS Information Vendor: American Megatrends Inc. Version: 1.0c Release Date: 05/27/2010 Address: 0xF0000 Runtime Size: 64 kB ROM Size: 4096 kB Characteristics: ISA is supported PCI is supported PNP is supported BIOS is upgradeable BIOS shadowing is allowed ESCD support is available Boot from CD is supported Selectable boot is supported BIOS ROM is socketed EDD is supported 5.25"/1.2 MB floppy services are supported (int 13h) 3.5"/720 kB floppy services are supported (int 13h) 3.5"/2.88 MB floppy services are supported (int 13h) Print screen service is supported (int 5h) 8042 keyboard services are supported (int 9h) Serial services are supported (int 14h) Printer services are supported (int 17h) CGA/mono video services are supported (int 10h) ACPI is supported USB legacy is supported LS-120 boot is supported ATAPI Zip drive boot is supported BIOS boot specification is supported Targeted content distribution is supported BIOS Revision: 8.16 Handle 0x0001, DMI type 1, 27 bytes System Information Manufacturer: Supermicro Product Name: X8SIE Version: 0123456789 Serial Number: 0123456789 UUID: 49434D53-0200-9033-2500-33902500D52C Wake-up Type: Power Switch SKU Number: To Be Filled By O.E.M. Family: To Be Filled By O.E.M. Handle 0x0002, DMI type 2, 15 bytes Base Board Information Manufacturer: Supermicro Product Name: X8SIE Version: 0123456789 Serial Number: VM11S61561 Asset Tag: To Be Filled By O.E.M. Features: Board is a hosting board Board is replaceable Location In Chassis: To Be Filled By O.E.M. Chassis Handle: 0x0003 Type: Motherboard Contained Object Handles: 0 Handle 0x0003, DMI type 3, 21 bytes Chassis Information Manufacturer: Supermicro Type: Sealed-case PC Lock: Not Present Version: 0123456789 Serial Number: 0123456789 Asset Tag: To Be Filled By O.E.M. Boot-up State: Safe Power Supply State: Safe Thermal State: Safe Security Status: None OEM Information: 0x00000000 Height: Unspecified Number Of Power Cords: 1 Contained Elements: 0

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• Oracle with Kerberos authentication and Windows 2003 Server as KDC

  - by Supaplex

  I am running Oracle 10.2 on a Windows 2003 Server SP2 which is also the domain controller on the network. I wish to switch authentication method from NTS to Kerberos. I have spent a lot of time trying to configure Oracle with Kerberos authentication from the Oracle Advanced Security option from the Net Manager utility. I have disabled NTS so Kerberos is promoted as the preferred authentication method. But as soon as the configuration is saved from Net Manager and I restart the Oracle server service, Oracle will not start. I don't know what Oracle is complaining about, because I don't know where to look for the Oracle error log. My first question is: how can I figure out what's bugging Oracle? My second question: is there a good tutorial for setting up Oracle on a Windows 2003 with Kerberos Authentication, where the Windows 2003 Server is the KDC? Maybe there is a book I can get? I have read Oracles own guide, but it is mostly for Linux/Unix. Thanks a lot!

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• Apache, Tomcat 5 and problem with HTTP basic auth

  - by Juha Syrjälä

  I have setup a Tomcat with a webapp that uses http basic auth in some of its URLs. There is a Apache server in front of the Tomcat. I have setup Apache as a proxy like this (all traffic should go directly to tomcat): /etc/httpd/conf.d/proxy_ajp.conf: LoadModule proxy_ajp_module modules/mod_proxy_ajp.so ProxyPass / ajp://localhost:8009/ ProxyPassReverse / ajp://localhost:8009/ There is a webapp installed to root of Tomcat (ROOT.war), so I should be able to use http://localhost/ to access my webapp. But it is not working with http basic auth. The problem is that everything works until I try to access URL that are protected by the HTTP basic auth. URLs without authentication work just fine. When accessing this url via apache I am getting an error message from Apache. If I access the same URL directly from tomcat, everything works just fine. I am getting this to Apache error log: [Wed Sep 01 21:34:01 2010] [error] proxy: dialog to [::1]:8009 (localhost) failed access log looks like this: ::1 - - [01/Sep/2010:21:34:01 +0300] "GET /protected_path/ HTTP/1.0" 503 360 "-" "w3m/0.5.2" I am using: Fedora release 13 (Goddard) httpd-2.2.16-1.fc13.x86_64 tomcat5-5.5.27-7.4.fc12.noarch The basic auth is implemented in the webapp (not in Apache or Tomcat). The webapp is actually implemented in Scala/Lift, but that shouldn't matter. The auth works if I access the tomcat directly. Error message that I am getting from Apache. It is curious that the title is Unauthorized and not Internal error: Unauthorized The server is temporarily unable to service your request due to maintenance downtime or capacity problems. Please try again later. Apache/2.2.16 (Fedora) Server at my.server.name.com Port 80 It could be that Apache is seeing a some thing else than 200 OK response and thinks that it is an error when it actually should pass the received 401 Unauthorized response directly to browser. If this is the problem, how to fix it?

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• Apache HTTPD - Segmentation fault when loading mod_jk module

  - by hansengel

  I just set up mod_jk with my Apache httpd 2.0.52 installation, but now when I try to start Apache, it has a segmentation fault. I've checked that I am using the mod_jk compiled for 2.0.x.. built against the same version I have, in fact. I've also verified that the path I'm giving to LoadModule is correct, and the permissions and the ownership of the file are the same as the rest of the modules'. When I remove the "LoadModule" command for mod_jk from my httpd.conf, there is no segmentation fault. Nothing shows in Apache's error logs. I have tried restarting the server with this module using both service httpd restart and httpd. These are the last few lines returned of strace httpd -X: gettimeofday({1292100295, 434487}, NULL) = 0 socket(PF_INET6, SOCK_STREAM, IPPROTO_IP) = -1 EAFNOSUPPORT (Address family not supported by protocol) socket(PF_NETLINK, SOCK_RAW, 0) = 3 bind(3, {sa_family=AF_NETLINK, pid=0, groups=00000000}, 12) = 0 getsockname(3, {sa_family=AF_NETLINK, pid=22378, groups=00000000}, [12]) = 0 time(NULL) = 1292100295 sendto(3, "\24\0\0\0\26\0\1\3\307\342\3M\0\0\0\0\0\305\333\267", 20, 0, {sa_family=AF_NETLINK, pid=0, groups=00000000}, 12) = 20 recvmsg(3, {msg_name(12)={sa_family=AF_NETLINK, pid=0, groups=00000000}, msg_iov(1)=[{"<\0\0\0\24\0\2\0\307\342\3MjW\0\0\2\10\200\376\1\0\0\0"..., 4096}], msg_controllen=0, msg_flags=0}, 0) = 664 recvmsg(3, {msg_name(12)={sa_family=AF_NETLINK, pid=0, groups=00000000}, msg_iov(1)=[{"\24\0\0\0\3\0\2\0\307\342\3MjW\0\0\0\0\0\0\1\0\0\0\10\0"..., 4096}], msg_controllen=0, msg_flags=0}, 0) = 20 close(3) = 0 socket(PF_INET, SOCK_STREAM, IPPROTO_IP) = 3 --- SIGSEGV (Segmentation fault) @ 0 (0) --- +++ killed by SIGSEGV +++ Process 22378 detached Has anyone had a similar problem using Apache 2.0.52 with mod_jk? I might try downloading and building the source for the Apache server and mod_jk myself if there isn't a discovered fix for this.

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• Installinf Xen 4.0.1 in Ubuntu 10.10

  - by Hiranth

  make -f buildconfigs/mk.linux-2.6-pvops build make[3]: Entering directory /home/hirantha/xen-4.0.1' set -ex; \ if ! [ -d linux-2.6-pvops.git ]; then \ rm -rf linux-2.6-pvops.git linux-2.6-pvops.git.tmp; \ mkdir linux-2.6-pvops.git.tmp; rmdir linux-2.6-pvops.git.tmp; \ git clone -o xen -n git://git.kernel.org/pub/scm/linux/kernel/git/jeremy/xen.git linux-2.6-pvops.git.tmp; \ (cd linux-2.6-pvops.git.tmp; git checkout -b xen/stable-2.6.32.x xen/xen/stable-2.6.32.x ); \ mv linux-2.6-pvops.git.tmp linux-2.6-pvops.git; \ fi + '[' -d linux-2.6-pvops.git ']' + rm -rf linux-2.6-pvops.git linux-2.6-pvops.git.tmp + mkdir linux-2.6-pvops.git.tmp + rmdir linux-2.6-pvops.git.tmp + git clone -o xen -n git://git.kernel.org/pub/scm/linux/kernel/git/jeremy/xen.git linux-2.6-pvops.git.tmp Initialized empty Git repository in /home/hirantha/xen-4.0.1/linux-2.6-pvops.git.tmp/.git/ fatal: Unable to look up git.kernel.org (port 9418) (Name or service not known) make[3]: *** [linux-2.6-pvops.git/.valid-src] Error 128 make[3]: Leaving directory/home/hirantha/xen-4.0.1' make[2]: * [linux-2.6-pvops-install] Error 2 make[2]: Leaving directory /home/hirantha/xen-4.0.1' make[1]: *** [install-kernels] Error 1 make[1]: Leaving directory/home/hirantha/xen-4.0.1' make: * [world] Error 2 hirantha@hirantha-desktop:~/xen-4.0.1$ ^C hirantha@hirantha-desktop:~/xen-4.0. What is this error? How can i solve this?

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• Citrix Access Gateway with Citrix Receiver

  - by vm370

  I'm currently using a Citrix Access Gateway with firmware 5.0.4 to provide access over an SSL-VPN to an isolated environment, which is connected to over the Citrix Access Gateway Client, which is delivered by the device by default. However we encountered different problems, e.g. that it's somehow not possible to get it out of the autostart (not registered as a service or in the autostart?!) and it killed the Cisco VPN Client, which is used in the company and unfortunately cannot be replaced. The Cisco client can also just be used again after a procedure with cleaning the registry from all CAG Client remains, which requires a lot of effort. Because of that, I'd like to check if there is an alternative to this client, since is this is a real pain... Unfortunately I couldn't find a way to use the Receiver with the CAG yet, but if you have any resources on how to build this workaround, I'd be very happy. Thanks a lot in advance UPDATE: If there are other alternatives I'd be even more happy, since using the Receiver would also mean that there is an issue with the ICA-Client, which is also used in our environments. From my experience, the Receiver and the ICA-Client are also no good friends...

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• switchless Infiniband between two servers on RHEL 6.3

  - by exfizik

  I have 2 servers running RHEL 6.3 which have 2 port Infiniband cards >lspci | grep -i infini 07:00.0 InfiniBand: QLogic Corp. IBA7322 QDR InfiniBand HCA (rev 02) I'm interested in connecting them directly to each other bypassing an Infiniband switch (which I don't have). Quick googling showed that at least in some configurations it's possible. I installed all RedHat Infiniband packages with yum groupinstall "Infiniband Support". However, ibv_devinfo shows that both ports in each card are down, which indicates that cables are not connected. But the cable is connected, although the LEDs are off on the cards (not a good sign). Another source of confusion for me is that according to this, RedHat doesn't come with OFED packages and I'm slightly hesitant to install them from source due to the lack of RedHat support for them... So where am I going with this? The questions I have are: is it possible to have a switchless/direct Infiniband connection between two servers the way I described above? If it's possible, do I have to use the OFED packages or can I configure everything with just the packages coming with RHEL. Why are the LEDs off on my servers even though the cable is connected? Any additional input/advice/pointers would be appreciated. P.S. I followed this guide for installation instructions. The Infiniband cards are clearly recognized by my OS and the rdma service is running. Update: I have opensm installed. When I run it it says: OpenSM 3.3.13 Command Line Arguments: Log File: /var/log/opensm.log ------------------------------------------------- OpenSM 3.3.13 Entering DISCOVERING state Using default GUID 0x1175000076e4c8 SM port is down and stays at that point.

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• Windows Server 2008 R2 SP1 Drivers Missing Would Not Install?

  - by bleepzter

  I am building my dev machine with WS2008R2SP1. I consider Windows Server as the best development environment for C# since I tend to focus on server-centric (integration) applications. The desktop flavor of Windows (7) doesn't play nicely with things like Commerce Server or BizTalk... so I to like stick to the environment I develop for. Previously I used to develop inside of VM's but I've found that it is super inefficient and tends to take a toll on the laptops. (I've gone through two of them in 6 months). Problem is that I multiple devices that do not want to be recognized by Windows: My machine is Dell Precision M4500: Intel Core i7-Q740, 1TB HDD, 8GB RAM, Dell re-branded Broadcom DW1501 802x11n Half-Mini Card, Dell re-branded Broadcom DW375 Bluetooh Module, Intel 82577LM Gigabit Network connection NVidia Quadro FX1800 Graphics The devices in question are the Dell rebranded broadcom network and bluetooth adapters: Broadcom USH: USB\VID_0A5C&PID_5800&REV_0101&MI_00 USB\VID_0A5C&PID_5800&MI_00 DW375 Bluetooth Module USB\VID_413C&PID_8187&REV_0517 USB\VID_413C&PID_8187 When I ran the broadcom installers I get "Operating System not supported" which I think is a big oversight on Broadcom's part. Why check for system version string? UGHGHGH Moreover if I try to manually force the driver in windows... I get an error: Driver Management concluded the process to install driver FileRepository\btwampsecfl.inf_amd64_neutral_d8fc2b85d035ed47\btwampsecfl.inf for Device Instance ID USB\VID_0A5C&PID_5800&MI_00\7&66DE6C9&0&0000 with the following status: 0xe0000217. '- or - Driver Management concluded the process to install driver FileRepository\btwampfl.inf_amd64_neutral_d4c4acf036c61299\btwampfl.inf for Device Instance ID USB\VID_413C&PID_8187\90004EEEF5A6 with the following status: 0xe0000217. I googled the 0xe0000217 error code and it says Bad service install section in the driver inf file... Any ideas on how to fix this? I also tried the post by BetaIQ on MSDN Forum, unfortunately the links to the driver package included in the post were dead :( PS. On a side note I also do mobile development for Android, iOS, and Windows Phone, and BB. Having the bluetooth is quite useful with mobile devices.

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• Hosting a javascript api file for third party sites the way sharethis, uservoice, analytics do it.

  - by Dayson

  I'm preparing to launch a service soon which will provide third party websites a widget. The widget requires my javascript file in the website's code. Exactly the same way services like analytics, uservoice, sharethis, getclicky, etc provide you with a javascript snippet to add to your page. Therefore, my javascript file is going to be hotlinked by tons of websites which possibly receive a lot of requests too. I need advice/opinions on the following aspects: What's the right location for hosting this file? Should I use a sub-domain for it? I was thinking of something like http://api.myservice.com/js/foo.js . Remember, once websites start embedding this file, its location CANNOT change under any circumstances. Right now we can afford just one dedicated server. So I have minified my file, enabled gzip and plan to use some good cache control headers through apache. Also, in the near future when the requests pickup, I will use a http proxy like Varnish. Is this a good plan for the near future? Should I be considering a CDN in the future (since we can't afford it now)? If so how do I make sure we're prepared to migrate to it without breaking services. Pros/Cons of moving just this file to a CDN? Also, since its just one javascript file(50kb), any affordable CDN so we could consider it in the beginning itself? Any other word of advice I could use? Anything I shouldn't overlook at this stage which I would regret later? (both in terms of server + javascript ajax limitations) Thanks in advance.

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• Secure iptables config for Samba

  - by Eric

  I'm trying to setup an iptables config such that outbound connections from my CentOS 6.2 server are allowed ONLY if they are of state ESTABLISHED. Currently, the following setup is working great for sshd, but all the Samba rules get totally ignored for a reason I cannot figure out. iptables Bash script to setup ALL rules: # Remove all existing rules iptables -F # Set default chain policies iptables -P INPUT DROP iptables -P FORWARD DROP iptables -P OUTPUT DROP # Allow incoming SSH iptables -A INPUT -i eth0 -p tcp --dport 22222 -m state --state NEW,ESTABLISHED -j ACCEPT iptables -A OUTPUT -o eth0 -p tcp --sport 22222 -m state --state ESTABLISHED -j ACCEPT # Allow incoming Samba iptables -A INPUT -i eth0 -s 10.1.1.0/24 -p udp --dport 137:138 -m state --state NEW,ESTABLISHED -j ACCEPT iptables -A OUTPUT -o eth0 -d 10.1.1.0/24 -p udp --sport 137:138 -m state --state ESTABLISHED -j ACCEPT iptables -A INPUT -i eth0 -s 10.1.1.0/24 -p tcp --dport 139 -m state --state NEW,ESTABLISHED -j ACCEPT iptables -A OUTPUT -o eth0 -d 10.1.1.0/24 -p tcp --sport 139 -m state --state ESTABLISHED -j ACCEPT # Enable these rules service iptables restart iptables rule list after running the above script: [root@repoman ~]# iptables -L Chain INPUT (policy DROP) target prot opt source destination ACCEPT tcp -- anywhere anywhere tcp dpt:22222 state NEW,ESTABLISHED Chain FORWARD (policy DROP) target prot opt source destination Chain OUTPUT (policy DROP) target prot opt source destination ACCEPT tcp -- anywhere anywhere tcp spt:22222 state ESTABLISHED Ultimately, I'm trying to restrict Samba the same way I have done for sshd. In addition, I'm trying to restrict connections to the following IP address range: 10.1.1.12 - 10.1.1.19 Can you guys offer some pointers or possibly even a full-blown solution? I've read man iptables quite extensively, so I'm not sure why the Samba rules are getting thrown out. Additionally, removing the -s 10.1.1.0/24 flags don't change the fact the rules get ignored.

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• In Windows 7, why can't I use perfmon against a remote server?

  - by SomeGuy

  I am on Windows 7 and trying to run perfmon against Windows 2003 and Windows 2008 servers. I am running into the same issue with all remote machines. When creating a data collector set, I specify a domain account that is in the administrators group on the remote machines (and "Performance Log Users" and "Performance Monitor Users" to be safe). On the "Available Counters" screen, When I type in a remote computer name, PerfMon locks up for a good 2-3 minutes before I can add any counters. I can then save the collector set. However, when I save it, the go/stop buttons are disabled if I click the set in the left panel, and missing if I click the Data collector set itself in the right panel. See the screens below. I can run data collector sets against my local machine with no problem. I am opening perfmon with my local account in both scenarios. I also have Remote Registry Service started on each remote machine. What is going on?

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• How to make DD-WRT router's (configured like a repeater) devices be accessible on LAN? (i.e. integrate DHCP for both routers)

  - by Annonomus Penguin

  I have a D-Link DIR-600-A1 router running DD-WRT (using the 601's firmware: except for the model number, they are near identical). It has an Atheros chip, so there is no "repeater" option. You can bypass this by setting the main radio as a client to the main router, and adding a virtual radio configured as an AP. You can then set up the credentials for connecting to the main router and allowing devices to connect to the repeater/router. I have a few devices on my network: Ethernet computers Server with Samba running WiFi devices connected to the main router I then wanted to add a repeater. I have a couple of other things on the repeater: WiFi Computer Other WiFi devices. Anyway, I wanted to connect my WiFi computer to the share on my server via Samba. However, for some reason, my router treats the main router as WAN, not another device. I've tried disabling the SPI firewall: However, that doesn't work. I've tried pinging my WiFi computer from my server. However, I can ping my server from my WiFi computer. AFAIK, they are on the same subset, just using different IPs: the main one uses 192.168.0.x and the repeater uses 192.168.1.x (starting at 100 for some reason). It seems as I need to configure my router(s) to work together for DHCP. I noticed there was a "DHCP forwarder" option, but I have no idea what that would do. A quick note: for some reason (that's beyond me) my ISP disabled the capability to bridge a WiFi to ethernet connection with the router they provide (something about PPPoE or similar...). The service rep I talked to when I was having issues after I changed ISPs said that, but they couldn't explain exactly what they were "blocking." How can I get DD-WRT to not treat the client connection as WAN and the router to recognize the devices connected to the repeater?

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• KVM work with bridge network problems

  - by isware

  I try to configure bridge network for KVM(refer to http://www.linux-kvm.org/page/Networking), and it worked for Guest OS, but I have two problems with my Fedora host OS: 1?I can not access internet on host 2?The bridge configuration lost after reboot, I need to execute "service network restart" again to bring it up I checked here(http://serverfault.com/questions/168119/kvm-network-bridge-with-public-static-ip-for-both-host-and-guests) for the first problem, it seems not working for me. Any advice is appreciated! ifconfig -a eth0 Link encap:Ethernet HWaddr 48:5B:39:ED:EB:5A inet6 addr: fe80::4a5b:39ff:feed:eb5a/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:231340 errors:0 dropped:0 overruns:0 frame:0 TX packets:413424 errors:0 dropped:0 overruns:0 carrier:1 collisions:0 txqueuelen:1000 RX bytes:15335606 (14.6 MiB) TX bytes:114755796 (109.4 MiB) Interrupt:44 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:119307 errors:0 dropped:0 overruns:0 frame:0 TX packets:119307 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:57151264 (54.5 MiB) TX bytes:57151264 (54.5 MiB) sit0 Link encap:IPv6-in-IPv4 NOARP MTU:1480 Metric:1 RX packets:0 errors:0 dropped:0 overruns:0 frame:0 TX packets:0 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:0 (0.0 b) TX bytes:0 (0.0 b) sw0 Link encap:Ethernet HWaddr 48:5B:39:ED:EB:5A inet addr:192.168.1.133 Bcast:255.255.255.255 Mask:255.255.255.0 inet6 addr: fe80::4a5b:39ff:feed:eb5a/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:229584 errors:0 dropped:0 overruns:0 frame:0 TX packets:401232 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:11047463 (10.5 MiB) TX bytes:113891533 (108.6 MiB) tap0 Link encap:Ethernet HWaddr F2:86:1A:48:E2:55 inet6 addr: fe80::f086:1aff:fe48:e255/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:232 errors:0 dropped:0 overruns:0 frame:0 TX packets:2744 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:500 RX bytes:24842 (24.2 KiB) TX bytes:243899 (238.1 KiB) virbr0 Link encap:Ethernet HWaddr 9A:7C:09:6B:85:65 inet addr:192.168.122.1 Bcast:192.168.122.255 Mask:255.255.255.0 UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:0 errors:0 dropped:0 overruns:0 frame:0 TX packets:46 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:0 (0.0 b) TX bytes:5513 (5.3 KiB)

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• Windows Server 2008 SMTP & POP3 Configuration

  - by Alex Hope O'Connor

  This is the first time I have ever configured a VPS server without 3rd party applications such as Plesk control panel. I have got most functionality working in all my websites except I am very unsure as to how I can setup my email functionality on this new server. Basically I want the standard POP3 functionality, a bunch of accounts with private boxes, all able to send and receive emails using their individual usernames and passwords. My server setup is pretty simple, its a VPS with IIS & DNS Server running. What I have tried to do to setup SMTP & POP3 is adding the SMTP Server feature through the Server Manager Console (very unsure of the configuration as guides I found did not explain), I then installed a 3rd party application called Visdeno SMTP Extender as it claims to be a POP3 service providing accounting and the ability to communicate with email clients. That is as far as I have gotten as I can not seem to find too much information on the subject. So can someone please tell me how to go about configuring these services in order to provide standard SMTP & POP3 functionality? Thanks, Alex.

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• Backing up SQL NetApp Snapshots using TSM

  - by WerkkreW

  In our environment we have a 3 node SQL 2005 Cluster which is on NetApp storage. We are currently using SMSQL (NetApp SnapManager for SQL) to take Snapshot backups of the data. This works great, but due to some audit requirements we are also forced to maintain some copies on tape. We have used NDMP in other places across the enterprise but we do not want to use it in this specific instance. Basically what I need to do is, get the most recent snapshot copy of the databases on tape, via Tivoli Storage Manager (TSM). What I have done is, obtained a basic Windows Server 2003 VM with SnapDrive installed, which is SAN attached and zoned to the NetApp, and I have written a batch file to do the following: Mount the latest __RECENT snapshot lun to the host, using a specific drive letter Perform a TSM based incremental backup Dis-mount the LUN This seems to work fine, except sometimes the LUN's do not mount due to some sort of timeout. Also, due to my limited knowledge of windows batch scripting, I have no way to monitor the success or failure of these backups since I do not know how to send a valid return code back to the TSM scheduling service. Is there a more efficient/elegant way to accomplish this without NDMP?

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• MS SQL Server slows down over time?

  - by Dave Holland

  Have any of you experienced the following, and have you found a solution: A large part of our website's back-end is MS SQL Server 2005. Every week or two weeks the site begins running slower - and I see queries taking longer and longer to complete in SQL. I have a query that I like to use: USE master select text,wait_time,blocking_session_id AS "Block", percent_complete, * from sys.dm_exec_requests CROSS APPLY sys.dm_exec_sql_text(sql_handle) AS s2 order by start_time asc Which is fairly useful... it gives a snapshot of everything that's running right at that moment against your SQL server. What's nice is that even if your CPU is pegged at 100% for some reason and Activity Monitor is refusing to load (I'm sure some of you have been there) this query still returns and you can see what query is killing your DB. When I run this, or Activity Monitor during the times that SQL has begun to slow down I don't see any specific queries causing the issue - they are ALL running slower across the board. If I restart the MS SQL Service then everything is fine, it speeds right up - for a week or two until it happens again. Nothing that I can think of has changed, but this just started a few months ago... Ideas? --Added Please note that when this database slowdown happens it doesn't matter if we are getting 100K page views an hour (busier time of day) or 10K page views an hour (slow time) the queries all take a longer time to complete than normal. The server isn't really under stress - the CPU isn't high, the disk usage doesn't seem to be out of control... it feels like index fragmentation or something of the sort but that doesn't seem to be the case. As far as pasting results of the query I pasted above I really can't do that. The Query above lists the login of the user performing the task, the entire query, etc etc.. and I'd really not like to hand out the names of my databases, tables, columns and the logins online :)... I can tell you that the queries running at that time are normal, standard queries for our site that run all the time, nothing out of the norm.

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• Passing OpenVPN road-warrior traffic through tunnel pfsense

  - by Chris

  I have a local LAN (10.100.100.0/24) and OpenVPN road-warriors (10.99.99.0/24). pfSense is regulating all this as follows: LAN: 10.100.100.105 WAN: 10.100.99.1 (connected to DSL Router which connects to internet). OPT1: 10.99.99.0 (OpenVPN tun0). There is an IPSec connection between my office and another office where my LAN can work on a specific IP address (sql server to be exact) on 192.168.30.41. My problem is that I wish my OpenVPN road-warrior clients to be able to use the IPSec service on 192.168.30.41 as well (which at present they cannot despite the fact that I am pushing the route 192.168.30.0 255.255.255.0). The other site's administrator cannot add the extra route for my openvpn clients for a lot of reasons which I am not going to enter at this stage. Is there a possibility that I could NAT all of my openVPN road-warriors requests through a local LAN IP address (something like 10.100.100.250 which is not used by anything on my LAN). The problem is that I am a newbie with pfSense so as much step-by-step help as possible would be very much appreciated! Thank you. C.

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• Apache Derby running in Tomcat shutdown issues

  - by Luke

  I have set up Derby Network Server to be hosted within a Tomcat environment. This works great. However, when I shut down Tomcat I get the following errors: 04/01/2011 10:41:41 AM org.apache.catalina.core.StandardService stop INFO: Stopping service Catalina 04/01/2011 10:41:41 AM org.apache.catalina.loader.WebappClassLoader clearReferencesJdbc SEVERE: The web application [/derby] registered the JBDC driver [org.apache.derby.jdbc.ClientDriver] but failed to unregister it when the web application was stopped. To prevent a memory leak, the JDBC Driver has been forcibly unregistered. 04/01/2011 10:41:41 AM org.apache.catalina.loader.WebappClassLoader clearReferencesJdbc SEVERE: The web application [/derby] registered the JBDC driver [org.apache.derby.jdbc.AutoloadedDriver] but failed to unregister it when the web application was stopped. To prevent a memory leak, the JDBC Driver has been forcibly unregistered. 04/01/2011 10:41:41 AM org.apache.catalina.loader.WebappClassLoader clearReferencesThreads SEVERE: The web application [/derby] appears to have started a thread named [derby.NetworkServerStarter] but has failed to stop it. This is very likely to create a memory leak. 04/01/2011 10:41:41 AM org.apache.catalina.loader.WebappClassLoader clearReferencesThreads SEVERE: The web application [/derby] appears to have started a thread named [NetworkServerThread_4] but has failed to stop it. This is very likely to create a memory leak. 04/01/2011 10:41:41 AM org.apache.catalina.loader.WebappClassLoader clearReferencesThreads SEVERE: The web application [/derby] appears to have started a thread named [DRDAConnThread_5] but has failed to stop it. This is very likely to create a memory leak. 04/01/2011 10:41:41 AM org.apache.catalina.loader.WebappClassLoader clearReferencesThreads SEVERE: The web application [/derby] appears to have started a thread named [DRDAConnThread_13] but has failed to stop it. This is very likely to create a memory leak. 04/01/2011 10:41:41 AM org.apache.coyote.http11.Http11Protocol destroy INFO: Stopping Coyote HTTP/1.1 on http-8080 I'm currently starting and stopping Tomcat with the following commands: ./catalina run ./catalina stop Is there a better way to shutdown Tomcat with Derby or can this be solved by a configuration change?

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• Internal but no external Citrix Access?

  - by leeand00

  We recently had to reload our configuration of Citrix on our server Server1, and since we have, we can access Citrix internally, but not externally. Normally we access Citrix from http://remote.xyz.org/Citrix/XenApp but since the configuration was reloaded we are met with a Service Unavailable message. Internally accessing the Citrix web application from http://localhost/Citrix/XenApp/ on Server1 we are able to access the web application. And also from machines on our local network using http://Server1/Citrix/XenApp/. I have gone into the Citrix Access Management Console and from the tree pane on the left clicked on Citrix Access Management Console->Citrix Resources->Configuration Tools->Web Interface->http://remote.xyz.org/Citrix/PNAgent Citrix Access Management Console->Citrix Resources->Configuration Tools->Web Interface->http://remote.xyz.org/Citrix/XenApp, which in both cases displays a screen that reads Secure client access. Here it offers me several options: Direct, Alternate, Translated, Gateway Direct, Gateway Alternate, Gateway Translated. I know that I can change the method of use by clicking Manage secure client access->Edit secure client access settings which opens a window that reads "Specify Access Methods", and below that reads "Specify details of the DMZ settings, including IP address, mask, and associated access method", I don't know what the original settings were, and I also don't know how our DMZ is configured so that I can specify the correct settings, to give access to our external users on the http://remote.xyz.org/Citrix/XenApp site. We have a vendor who setup our DMZ and does not allow us access to the gateway to see these settings. What sorts of questions should I ask them to restore remote access?

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• Installer not being updated ( probably because of Windows 7 file cache )

  - by Sithu Kyaw

  I'm creating an installer for my Visual FoxPro application using ISTool and Inno Setup. It is ok for me for the first time. But, I updated my code and re-built the EXE file. Then, compiled the installer again. I found that my update was not compiled into the installer and I did not see the update in my running application. I noticed that the EXE file, which was built by VFP, was updated properly. It seems the installation script did not output the updated file. But, when I changed folder names, it did work. I don't want to change folder names whenever I run that installation script. It is not a good idea actually. I think it is because of Windows 7 cache system. Mine is Windows 7 Home Premium Service Pack 1. For example, My previous output file is located at C:\path\to\myinstaller.exe When I compile the installation script, the output file there should be overwritten, but it was not as expected. Although I deleted the file, it did not work. When I changed to output file path as C:\newpath\to\myinstaller.exe, I got the fix, but it is not a solution what I'm looking for. Does anyone how to do that? [Edit] I found that the installed directory was not updated properly. For example, I installed the program to C:\Program files\MyInstalledApp When I run the installer again, that installation directory should be overwritten, but failed. Thus, I got to uninstall the app before I re-install it. Is there any fix for this?

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