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• .NET Framework 1.1 on IIS 7

  - by Zack Peterson

  I have inherited a .NET Framework 1.1 web site that I must host with IIS 7 on Windows Server 2008. I'm having some trouble. 1. Installation I installed .NET Framework 1.1 following these instructions. The installation automatically created a new Application Pool "ASP.NET 1.1". I use that. 2. Trouble When I launch the web site I see web.config runtime errors: The tag contains an invalid value for the 'culture' attribute. I fix that one and then see: Child nodes are not allowed. I don't want to keep playing this whack-a-mole game. Something must be wrong. 3. Am I sure this is .NET 1.1? I examine the automatically created application pool. I see that it's 1.1. Advanced Settings... Basic Settings... This doesn't seem right. While 1.1 is set, it's not an option in the Advanced drop down selectors. And why in the Basic box is it just "v1.1" and not ".NET Framework v1.1.4322"? That would be more consistent. 4. I cannot create other .NET 1.1 App Pools I cannot select .NET Framework 1.1 for other application pools. It's not an option in the drop down selectors. What's up with that? What now? Why isn't v1.1 an option for all AppPools? How can I verify my application is in fact using .NET Framework 1.1? Why might I get these runtime errors?

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• Wrong CSS mime type with Roundcube 0.5 beta and nginx

  - by Julien Vehent

  I'm running into a CSS problem. This is a setup based on Debian Squeeze (nginx/0.7.67, php5/cgi) on which I installed the latest Roundcube 0.5 beta. PHP is properly processed, login works fine but the CSS files are not loaded and Firefox is throwing the following errors: Error: The stylesheet https://webmail.example.net:10443/roundcube/skins/default/common.css?s=1290600165 was not loaded because its MIME type, "text/html", is not "text/css". Source File: https://webmail.example.net:10443/roundcube/?_task=login Line: 0 Error: The stylesheet https://webmail.example.net:10443/roundcube/skins/default/mail.css?s=1290156319 was not loaded because its MIME type, "text/html", is not "text/css". Source File: https://webmail.example.net:10443/roundcube/?_task=login Line: 0 As far as I understand, nginx doesn't see the .css extension (because ofthe ?s= argument) and thus set the mime type with the default value, being text/html. Should I fix this in nginx (and how ?) or is it roundcube's related ? Edit: It seems that it's nginx related. The content-type isn't set for any other type than text/html. I had to include manually the following declarations to force CSS and JS content-types. That's ugly, and I never had the problem before... any idea ? location ~ \.css { add_header Content-Type text/css; } location ~ \.js { add_header Content-Type application/x-javascript; }

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• Is there a way to avoid Wacom Control Panel to stop showing in certain cases ?

  - by S.gfx

  This is the problem: Suddenly, you double click on desktop wacom tablet settings icon, and it wont show the dialog. It appears to be loaded as it's shown down in the windows taskbar. I suspect is caused by change of resolution or some setting, maybe suddenly it sets the origin of the panel dialog at some 3000 thosand pixels to the right or something. I have digged that wacom_tablet.dat file to see if I fix it changing some value there, but looks like a log, a history, more than a ini for settings... And anyway does not solve it. My solution is having always a very complete settings file done and backed up to restore (with wacom utility for this, which in previous driver versions did not exist) when this happens, but is counter productive: You change the settings even per each project(and software) needs. I have seen it happenning with Cintiq 12", intuos4 A6, Graphires, Intuos 1. Is just me, doing something weird every time? I doubt it, is normal use, I am amazed that seems no one else had this prob(or nobody asked), happens often with typical use. Maybe is because am setting a shortcut in the desktop? Weird as it works perfect till some random moment... (Have digged Wacom's forums and FAQs, then here, but nothing related to it... Neither in "related questions".) The thing happens in Win XP, 7, etc. Done so during years in my experience, and several times at work, which is worse.

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• Melting plastic around DC-in jack in laptop

  - by Ove

  I recently noticed that the plastic around the DC-in jack of my laptop was warped (melted) a little bit. Since I noticed, I have done some experiments, and saw that the metal tip of the charger heats up very much when I am gaming, or performing CPU-intensive work (it's so hot that i can't hold it between my fingers). When I am using Windows normally (web browsing, music, video), the tip is not hot. I tried using another charger from a compatible laptop, but its metal tip overheated as well, so the problem is not caused by the charger. I have been using this laptop for gaming for 1.5 years and I never had this problem. When gaming I always use a laptop cooler. Dust is not the problem (i cleaned out the dust), and the CPU and GPU temperatures are not higher than when I got the laptop. The only thing that is excessively hot is the charger tip. Because I bought my laptop from the USA, sending it to warranty and back would cost more than the laptop's value, so I need to fix it myself. I have googled around, and I saw that the problem might be the DC-in jack that is located on the motherboard of the laptop. I plan to take the laptop apart and see if it has become loose, and soldering it in place if it has. My questions for you are: Did anyone deal with this problem in the past? Did anyone manage to fix it? Is the DC-in jack the culprit in this case? Or is it possible for the problem to be caused by another part on the motherboard? Is there any way I can check the DC-in jack with a multimeter? What should I measure (resistance, etc)? EDIT: My laptop is a Sager NP5135 (aka Clevo B5130M). I also posted on NBR, including some pictures: link

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• Git clone/push/pull - where's that username comes from?

  - by Kuroki Kaze

  I've set up gitosis and able to pull/push through ssh. Gitosis is installed on Debian Lenny server, I'm using git from windows machine (msysgit). The strange thing, if I enable loglevel = DEBUG in gitosis.conf, I see something like this when doing any actions with gitosis server: D:\Kaze\source\test-project>git pull origin master DEBUG:gitosis.serve.main:Got command "git-upload-pack 'test_project.git'" DEBUG:gitosis.access.haveAccess:Access check for '[email protected]' as 'writable' on 'test_project.git'... DEBUG:gitosis.access.haveAccess:Stripping .git suffix from 'test_project.git', new value 'test_project' DEBUG:gitosis.group.getMembership:found '[email protected]' in 'test' DEBUG:gitosis.access.haveAccess:Access ok for '[email protected]' as 'writable' on 'test_project' DEBUG:gitosis.access.haveAccess:Using prefix 'repositories' for 'test_project' DEBUG:gitosis.serve.main:Serving git-upload-pack 'repositories/test_project.git' From 192.168.175.128:test_project * branch master -> FETCH_HEAD Already up-to-date. Question is: why am I *[email protected]? This email is in global user.email config variable, too. Yesterday, when the gitosis was installed, it seen me as kaze@KAZE, this is the name under which I was added to gitosis-admin group (and it worked). But today git (or gitosis) started to see me as [email protected]. This is true for all repositories I push or clone. I had to add this address to gitosis.conf directly on server to be able to edit configs again (it worked). There is 2 public keys in keydir: [email protected] and [email protected], their content is identical and they have kaze@KAZE at end. Origin URL looks like git@lennyserver:test_project. Now, the question is - why Git (or gitosis) suddenly decided to call me by email instead of name@machinename? I've changed a couple things trying to set up Gitosis (updated git on server to 1.6.0 for example), but maybe I broke something in my local git installation?

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• How can I write automated tests for iptables?

  - by Phil Frost

  I am configuring a Linux router with iptables. I want to write acceptance tests for the configuration that assert things like: traffic from some guy on the internet is not forwarded, and TCP to port 80 on the webserver in the DMZ from hosts on the corporate LAN is forwarded. An ancient FAQ alludes to a iptables -C option which allows one to ask something like, "given a packet from X, to Y, on port Z, would it be accepted or dropped?" Although the FAQ suggests it works like this, for iptables (but maybe not ipchains as it uses in the examples) the -C option seems to not simulate a test packet running through all the rules, but rather checks for the existence for an exactly matching rule. This has little value as a test. I want to assert that the rules have the desired effect, not just that they exist. I've considered creating yet more test VMs and a virtual network, then probing with tools like nmap for effects. However, I'm avoiding this solution due to the complexity of creating all those additional virtual machines, which is really quite a heavy way to generate some test traffic. It would also be nice to have an automated testing methodology which can also work on a real server in production. How else might I solve this problem? Is there some mechanism I might use to generate or simulate arbitrary traffic, then know if it was (or would be) dropped or accepted by iptables?

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• How can I add subdomains of default accepted domain of Exchange 2010

  - by Christoph

  I have an Exchange 2010 that has several accepted domains. Now I want this server to accept - besides the default SMTP domain - all subdomains of the default domain. The documentation in Technet states When you create an accepted domain, you can use a wildcard character (*) in the address space to indicate that all subdomains of the SMTP address space are also accepted by the Exchange organization. For example, to configure Contoso.com and all its subdomains as accepted domains, enter *.Contoso.com as the SMTP address space. It is, however not possible to add e. g. *.contoso.com if contoso.com is already configured. Exchange complains in this case that the domain is already configured. It is also not possible to edit the "value", i. e. the domain name of an accepted domain. I know that I cannot modify the default accepted domain, but changing it to another does not help either, because the domain name itself can never be edited. The last idea was deleting the accepted domain and re-creating it with "*." prepended. This is, however, also impossible because it is of course not possible to delete or modify the default address policy and if a domain name is used in an address template it cannot be removed from the accepted domains. The question is: How can I make my Exchange 2010 server accept any subdomain of its default accepted domain with a wildcard?

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• Dynamic subdomain routing

  - by Nader

  Hi everyone, I asked this question over at stackoverflow, but got very few views: http://stackoverflow.com/questions/2284917/route-web-requests-to-different-servers-based-on-subdomain Perhaps it's more applicable to this crowd. Here it is again for convenience: I have a platform where a user can create a new website using a subdomain. There will be thousands of these, eg abc.mydomain.com, def.mydomain.com . Hopefully if we are successful hundreds of thousands. I need to be able to route these domains to a different IPs to point at a particular app server. I have this mapping in a database right now. What are the best practices and recommended technologies here? I see a couple options: Have DNS setup with a wildcard CNAME entry so that all requests go to a single IP where perhaps two machines using heartbeat (for failover) know how to look up the IP in the database and then do an http redirect to the appropriate app server. This seems clunky and slow to me. Run my own DNS server that can be programatically managed such that when a new site is created a DNS entry is added. We also move sites around to different app servers, so I would need to be able to update DNS entries in close to real time. Thoughts anyone? Thanks. Update2: I've setup external wildcard DNS pointing at an HAProxy web server whose job it is to route requests to backend servers. The mapping is stored in our internal PowerDNS server. Question now is how to get the HAProxy server (or another) to use the value of the internal DNS and not some config file or access list? – Update: Based on some suggestions below, it seems like reverse-proxy server(s) is the way to go. As I'll be rebalancing the domain-server mapping, these need to work instantly and the TTL on a DNS solution could be a problem. Any recommendations on software to use considering this domain-IP data is stored in a DB, and I'll need this to be performant?

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• Debian, Apache2, CGI: paths issue

  - by Bubnoff

  I have a perl form email script on the servers cgi-bin directory ( /usr/lib/cgi-bin ). /etc/apache2/sites-enabled/000-default ScriptAlias /cgi-bin/ /usr/lib/cgi-bin/ <Directory "/usr/lib/cgi-bin"> AllowOverride None Options +ExecCGI -MultiViews +SymLinksIfOwnerMatch AddHandler cgi-script cgi pl Order allow,deny Allow from all </Directory> The issue is with paths. html calls script here: <form name="Request" method="post" action="http://server-test.local/cgi-bin/formprocessorpro.pl" onsubmit="return checkWholeForm49874(this)"> The directory with the templates and configs is passed here: <input type="hidden" name="base_path" value="../contact" /> The path to this form is: http://server-test.local/formstest/contact.htm No matter what variation I try for the base_path I get an error from the formprocessor script that it can't find the directory: An error occurred when opening the Form Configuration File (../contact/form.cfg): No such file or directory. I need to move this script from an old server, configured by a previous sysadmin, to a new server. Since cgi-bin is automatically linked to /usr/lib/cgi-bin and linked such that the script resides: http://server-test.local/cgi-bin/formprocessorpro.pl I would imagine that, given that the templates are in the webroot in a directory called contact, the correct path would be: ../contact Any ideas? It's been awhile since I've messed with CGI. Bubnoff

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• Using %v in Apache LogFormat definition matches ServerName instead of specific vhost requested

  - by Graeme Donaldson

  We have an application which uses a DNS wildcard, i.e. *.app.example.com. We're using Apache 2.2 on Ubuntu Hardy. The relevant parts of the Apache config are as follows. In /etc/apache2/httpd.conf: LogFormat "%v %h %l %u %t \"%r\" %>s %b \"%{Referer}i\" \"%{User-Agent}i\"" vlog In /etc/apache2/sites-enabled/app.example.com: ServerName app.example.com ServerAlias *.app.example.com ... CustomLog "|/usr/sbin/vlogger -s access.log /var/log/apache2/vlogger" vlog Clients access this application using their own URL, e.g. company1.app.example.com, company2.app.example.com, etc. Previously, the %v in the LogFormat directive would match the hostname of the client request, and we'd get several subdirectories under /var/log/apache2/vlogger corresponding to the various client URLs in use. Now, %v appears to be matching the ServerName value, so we only get one log under /var/log/apache2/vlogger/app.example.com. This breaks our logfile analysis because the log file has no indication of which client the log relates to. I can fix this easily by changing the LogFormat to this: LogFormat "%{Host}i %h %l %u %t \"%r\" %>s %b \"%{Referer}i\" \"%{User-Agent}i\"" vlog This will use the HTTP Host: header to tell vlogger which subdirectory to create the logs in and everything will be fine. The only concern I have is that this has worked in the past and I can't find any indication that this has changed recently. Is anyone else using a similar config, i.e. wildcard + vlogger and using %v? Is it working fine?

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• Xmodmap fails to remap modifier keys

  - by ZyX

  When I try to move keys, so that I have CapsLock on escape, Control on CapsLock and Escape on left control, I get the following error: % xmodmap ~/.Xmodmap X Error of failed request: BadValue (integer parameter out of range for operation) Major opcode of failed request: 118 (X_SetModifierMapping) Value in failed request: 0x17 Serial number of failed request: 15 Current serial number in output stream: 15 That is the code that fails: remove Lock = Caps_Lock ! ESC keycode 9 = Caps_Lock add Lock = Caps_Lock remove Control = Control_L ! CapsLock keycode 66 = Control_L add control = Control_L ! Control_R keycode 37 = Escape ! 2*Meta_L keycode 148 = Meta_L add mod1 = Meta_L If I comment out all lines that start with either add or remove it runs without any errors, but does not do what I want. Program versions (Gentoo x86 (stable)): xorg-server-1.7.6 xmodmap-1.0.4 xf86-input-evdev-2.3.2 Xorg.conf: # nvidia-xconfig: X configuration file generated by nvidia-xconfig # nvidia-xconfig: version 1.0 (buildmeister@builder63) Fri Aug 14 17:54:58 PDT 2009 Section "ServerLayout" Identifier "Layout0" Screen 0 "Screen0" InputDevice "Evdev Keyboard" "CoreKeyboard" InputDevice "Evdev Mouse" "CorePointer" EndSection Section "Module" Disable "dri" Disable "dri2" Disable "record" EndSection Section "InputDevice" Identifier "Evdev Keyboard" Driver "evdev" Option "Device" "/dev/input/event2" Option "CoreKeyboard" Option "AutoRepeat" "500 25" Option "XkbRules" "xorg" Option "xkb_rules" "xorg" Option "XkbModel" "yahoo" Option "xkb_model" "yahoo" Option "XkbLayout" "dvp2" # ,ru2 Option "xkb_layout" "dvp2" # ,ru2 # Option "XkbVariant" "" # ,winkeys Option "XkbOption" "grp_led:scroll,grp:rctrl_toggle,compose:rwin,grp:lwin_switch" # grp:lwin_switch EndSection Section "InputDevice" Identifier "Evdev Mouse" Driver "evdev" Option "CorePointer" Option "Device" "/dev/input/event3" Option "Name" "Genius Ergo Mouse" Option "HWHEELRelativeAxisButtons" "7 6" Option "WHEELRelativeAxizButtons" "4 5" Option "SendCoreEvents" "true" Option "Buttons" "11" EndSection Section "Files" FontPath "/usr/share/fonts/misc" FontPath "/usr/share/fonts/Type1" FontPath "/usr/share/fonts/100dpi" FontPath "/usr/share/fonts/75dpi" FontPath "/usr/share/fonts/terminus" # FontPath "/usr/share/fonts/intlfonts" FontPath "/usr/share/fonts/ttf-bitstream-vera" # FontPath "/usr/share/fonts/ttf" FontPath "/usr/share/fonts/corefonts" FontPath "/usr/share/fonts/paratype" EndSection Section "Monitor" Identifier "Monitor0" VendorName "Unknown" ModelName "Unknown" HorizSync 28.0 - 33.0 VertRefresh 43.0 - 72.0 Option "DPMS" EndSection Section "Device" Identifier "Device0" Driver "nvidia" VendorName "NVIDIA Corporation" EndSection Section "Screen" Identifier "Screen0" Device "Device0" Monitor "Monitor0" DefaultDepth 24 SubSection "Display" Depth 24 EndSubSection EndSection Section "Extensions" Option "Composite" "Disable" EndSection Section "ServerFlags" # Option "XkbDisable" "false" # Option "AutoAddDevices" "false" Option "DontVTSwitch" "false" Option "DontZap" "false" # Option "DontZoom" "true" EndSection Everything worked before update.

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• Minimum permissions needed to create a user Home Folder in Windows Active Directory

  - by Jim

  We would like the Help Desk to have the responsibility of creating User Home folders instead of our 2nd level support. The help desk global group is already an Account Operator, so in Active Directory they are able to edit all User Attributes just fine. The problem is figuring out the minimum level of permissions needed on the File Server to create the home share, with out giving them access to everyone home share. So if they open AD Users and Computer, open the properties for a user, and enter \home\users\%username% in the profile tab and then click OK, they get the following error. The \home\users\username home folder was not created because you do not have create access on the server. The user account has been updated with the new home folder value but you must create the directory manually after obtaining the required access right. Right now I have given the Helpdesk group Full Control on the root folder only (no files or subdirectories) The directory is actually created, but the permissions on the newly created folder only show administrators full control, and no permissions for the configured user account. It sure sounds like I'd have to make the helpdesk local admins on the file servers, which is what I'd like to avoid. Especially since the file servers are a large cluster hosting much much more than the entire orgs home share structure.

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• Simulated NAT Traversal on Virtual Box

  - by Sumit Arora

  I have installed virtual box ( with Two virtual Adapters(NAT-type)) - Host (Ubuntu -10.10) - Guest-Opensuse-11.4 . Objective : Trying to simulate all four types of NAT as defined here : https://wiki.asterisk.org/wiki/display/TOP/NAT+Traversal+Testing Simulating the various kinds of NATs can be done using Linux iptables. In these examples, eth0 is the private network and eth1 is the public network. Full-cone iptables -t nat -A POSTROUTING -o eth0 -j SNAT --to-source iptables -t nat -A PREROUTING -i eth0 -j DNAT --to-destination Restricted cone iptables -t nat POSTROUTING -o eth1 -p tcp -j SNAT --to-source iptables -t nat POSTROUTING -o eth1 -p udp -j SNAT --to-source iptables -t nat PREROUTING -i eth1 -p tcp -j DNAT --to-destination iptables -t nat PREROUTING -i eth1 -p udp -j DNAT --to-destination iptables -A INPUT -i eth1 -p tcp -m state --state ESTABLISHED,RELATED -j ACCEPT iptables -A INPUT -i eth1 -p udp -m state --state ESTABLISHED,RELATED -j ACCEPT iptables -A INPUT -i eth1 -p tcp -m state --state NEW -j DROP iptables -A INPUT -i eth1 -p udp -m state --state NEW -j DROP Port-restricted cone iptables -t nat -A POSTROUTING -o eth0 -j SNAT --to-source Symmentric echo "1" /proc/sys/net/ipv4/ip_forward iptables --flush iptables -t nat -A POSTROUTING -o eth1 -j MASQUERADE --random iptables -A FORWARD -i eth1 -o eth0 -m state --state RELATED,ESTABLISHED -j ACCEPT iptables -A FORWARD -i eth0 -o eth1 -j ACCEPT What I did : OpenSuse guest with Two Virtual adapters - eth0 and eth1 -- eth1 with address 10.0.3.15 /eth1:1 as 10.0.3.16 -- eth0 with address 10.0.2.15 now running stund(http://sourceforge.net/projects/stun/) client/server : Server eKimchi@linux-6j9k:~/sw/stun/stund ./server -v -h 10.0.3.15 -a 10.0.3.16 Client eKimchi@linux-6j9k:~/sw/stun/stund ./client -v 10.0.3.15 -i 10.0.2.15 On all Four Cases It is giving same results : test I = 1 test II = 1 test III = 1 test I(2) = 1 is nat = 0 mapped IP same = 1 hairpin = 1 preserver port = 1 Primary: Open Return value is 0x000001 Q-1 :Please let me know If any has ever done, It should behave like NAT as per description but nowhere it working as a NAT. Q-2: How NAT Implemented in Home routers (Usually Port Restricted), but those also pre-configured iptables rules and tuned Linux

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• Active Directory Child Domain Replication Problems

  - by MikeR

  Hi, I've recently inherited an Active Directory (all DCs Windows 2003) which has been configured with several child domains that are used as test environments for out CRM software. Two of these child domains have been used for testing using dates in the future (2015), throwing them well outside of the Kerberos tolerance for time, and they're flooding my event logs with replication errors such as the following: Description: The attempt to establish a replication link for the following writable directory partition failed. Directory partition: CN=Schema,CN=Configuration,DC=ad,DC=xxxxxxx,DC=com Source domain controller: CN=NTDS Settings,CN=TESTDC001,CN=Servers,CN=SiteName,CN=Sites,CN=Configuration,DC=ad,DC=xxxxxxx,DC=com Source domain controller address: 38e95b2a-35af-4174-84ba-9ab039528cce._msdcs.ad.xxxxxxx.com Intersite transport (if any): This domain controller will be unable to replicate with the source domain controller until this problem is corrected. User Action Verify if the source domain controller is accessible or network connectivity is available. Additional Data Error value: 5 Access is denied. I'd also like to upgrade to Windows 2008 at some point, but wouldn't want to attempt any schema updates while I'm not 100% confident on the replication. I'm guessing my only real solution will be to get rid of these child domains. The child domains are operating as stand alone domains, the DC is up and running and authenticating test users fine. I'm guessing the best solution to this would be to delete the domains (although I'd be happily told otherwise). The clock forwarding appears to have been happening for several years, so I'm assuming I can't just put the clock right (I'm guessing scope for this would be 180days, the same as the tombstone lifetime) With the replication errors would I be able to dcpromo the child domains DC, select it as the last domain controller in the domain and the child domain would be deleted? Or would I be better off treating the domain as an orphaned domain and use Microsoft's instructions to clear up as such. Any advice would be much appreciated.

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• Cisco ASA dropping IPsec VPN between istself and CentOS server

  - by sebelk

  Currently we're trying to set up an IPsec VPN between a Cisco ASA Version 8.0(4) and a CentOS Linux server. The tunnel comes up successfully, but for some reason that we can't figure out, the firewall is dropping packets from the VPN. The IPsec settings in the ASA sre as follows: crypto ipsec transform-set up-transform-set esp-3des esp-md5-hmac crypto ipsec transform-set up-transform-set2 esp-3des esp-sha-hmac crypto ipsec transform-set up-transform-set3 esp-aes esp-md5-hmac crypto ipsec transform-set up-transform-set4 esp-aes esp-sha-hmac crypto ipsec security-association lifetime seconds 28800 crypto ipsec security-association lifetime kilobytes 4608000 crypto map linuxserver 10 match address filtro-encrypt-linuxserver crypto map linuxserver 10 set peer linuxserver crypto map linuxserver 10 set transform-set up-transform-set2 up-transform-set3 up-transform-set4 crypto map linuxserver 10 set security-association lifetime seconds 28800 crypto map linuxserver 10 set security-association lifetime kilobytes 4608000 crypto map linuxserver interface outside crypto isakmp enable outside crypto isakmp policy 1 authentication pre-share encryption aes hash sha group 2 lifetime 28800 crypto isakmp policy 2 authentication pre-share encryption aes-256 hash sha group 2 lifetime 86400 crypto isakmp policy 3 authentication pre-share encryption aes-256 hash md5 group 2 lifetime 86400 crypto isakmp policy 4 authentication pre-share encryption aes-192 hash sha group 2 lifetime 86400 crypto isakmp policy 5 authentication pre-share encryption aes-192 hash md5 group 2 group-policy linuxserverip internal group-policy linuxserverip attributes vpn-filter value filtro-linuxserverip tunnel-group linuxserverip type ipsec-l2l tunnel-group linuxserverip general-attributes default-group-policy linuxserverip tunnel-group linuxserverip ipsec-attributes pre-shared-key * Does anyone know where the problem is and how to fix it?

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• Inconsistent DHCP replies with Windows 2008R2 DHCP server

  - by verbalicious

  I've got a Windows 2008R2 standard server running DHCP services. We've noticed that certain clients are receiving inconsistent DHCP replies. We have over 175 Windows workstations in this VLAN that don't seem to have trouble getting DHCP leases. However, PXE-booting clients trying to reach our DHCP server are able to get a lease inconsistently. Additionally, we tried using the "dhcping" tool against our DHCP server and found that roughly two of every three requests time out with "no answer" -- and this holds true when we set the timeout value on dhcping to 20seconds. After a failed attempt, however, we may get a dhcp lease reply immediately with dhcping. This leads me to believe that this issue isn't confined to PXE booting clients, but something more systemic with my LAN layer2 or DHCP. And that possibly my 175 windows clients are experiencing this in some form without my knowledge. We have over 30% of our scope available so the addresses are there. I was unable to find anything in the Windows server "DHCP-Server" log. Of course, my goal is to have my DHCP server reply to every request that it receives on the LAN!

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• How do I specify the emergency location in CDP?

  - by chrish

  In the LLDP-MED and Cisco Discovery Protocol whitepaper, it compares LLDP-MED and CDP. The part I am interested in is emergency location configuration. In LLDP-MED, I can specify the Emergency Line Indentification Number (ELIN) and that number will be used by some IP Phones (e.g. Aastra) when placing emergency calls. The whitepaper states: Location Identification Discovery This capability is important because it normally provides location information from the switch to the phone. (If the phone is configured with location information or can determine its location, then it may send this information to the switch. However, the real value is getting this information from the switch to the phone for phones that cannot determine their own location.) Location identification discovery allows the phone to be aware of its location-information that can be used for location-based applications on the phone. More importantly, this capability can be used to provide location information when making emergency calls. Both Cisco Discovery Protocol and LLDP-MED support the transportation of location information. However, LLDP-MED has more supported data formats than Cisco Discovery Protocol. I have found the documentation on how to set the location and associate the location to the interfaces for LLDP-MED. How is this done for CDP? Is ELIN supported for CDP?

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• ddclient to update namecheap subdomain?

  - by LF4

  I have a subdomain that I want to update with ddclient. I configured the ddclient to get the IP from dyndns but it's not updating the subdomain on namecheap. They said to use yourdomain.com as the login instead of my actual domain. Has anyone been able to get namecheap DNS updated with ddclient? I'm running CentOS 6.2 with ddclient 3.7.3. When I run ddclient I get the following. CONNECT: checkip.dyndns.org CONNECTED: using HTTP SENDING: GET / HTTP/1.0 SENDING: Host: checkip.dyndns.org SENDING: User-Agent: ddclient/3.7.3 SENDING: Connection: close SENDING: RECEIVE: HTTP/1.1 200 OK RECEIVE: Content-Type: text/html RECEIVE: Server: DynDNS-CheckIP/1.0 RECEIVE: Connection: close RECEIVE: Cache-Control: no-cache RECEIVE: Pragma: no-cache RECEIVE: Content-Length: 106 RECEIVE: RECEIVE: <html><head><title>Current IP Check</title></head><body>Current IP Address: IPADD</body></html> Use of uninitialized value in string ne at /usr/sbin/ddclient line 1998. WARNING: skipping update of lf4bot from <nothing> to IPADD WARNING: last updated <never> but last attempt on Fri Jun 15 22:46:21 2012 failed. WARNING: Wait at least 5 minutes between update attempts. ddclient.conf File daemon=300 # check every 300 seconds syslog=yes # log update msgs to syslog mail=root # mail all msgs to root mail-failure=root # mail failed update msgs to root pid=/var/run/ddclient.pid # record PID in file. ssl=yes # use ssl-support. Works with use=web, web=checkip.dyndns.org/, web-skip='IP Address' # found after IP Address protocol=namecheap \ server=dynamicdns.park-your-domain.com \ login=yourdomain.com \ password=PASSWORD \ lf4bot

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• MOSS2007 tries to use ActiveDirectory when I have configured an alternative membership provider

  - by glenatron

  I've got a MOSS site that I am trying to configure using Forms authentication and absolutely any kind of membership provider whatsoever. Thus far ActiveDirectory has proved obstructively difficult so I've just whipped up a simple stub membership provider and put it in the GAC. It's a very basic and simple provider but it works fine with an ASP.Net site, I just can't make it work with Sharepoint. On Sharepoint I get the following error when I look for StubProvider:Bob ( or anything else for that matter) from the "Policy For Web Application" people picker: Error in searching user 'StubProvider:bob' : System.ComponentModel.Win32Exception: Unable to contact the global catalog server at Microsoft.SharePoint.Utilities.SPActiveDirectoryDomain.GetDirectorySearcher() at Microsoft.SharePoint.WebControls.PeopleEditor.SearchFromGC(SPActiveDirectoryDomain domain, String strFilter, String[] rgstrProp, Int32 nTimeout, Int32 nSizeLimit, SPUserCollection spUsers, ArrayList& rgResults) at Microsoft.SharePoint.Utilities.SPUserUtility.SearchAgainstAD(String input, SPActiveDirectoryDomain domainController, SPPrincipalType scopes, SPUserCollection usersContainer, Int32 maxCount, String customQuery, TimeSpan searchTimeout, Boolean& reachMaxCount) at Microsoft.SharePoint.Utilities.SPActiveDirectoryPrincipalResolver.SearchPrincipals(String input, SPPrincipalType scopes, SPPrincipalSource sources, SPUserCollection usersContainer, Int32 maxCount, Boolean& reachMaxCount) at Microsoft.SharePoint.Utilities.SPUtility.SearchPrincipalFromResolvers(List`1 resolvers, String input, SPPrincipalType scopes, SPPrincipalSource sources, SPUserCollection usersContainer, Int32 maxCount, Boolean& reachMaxCount, Dictionary`2 usersDict). The Provider is named as Authentication Provider for the Site Collection in question. As far as I can tell this is because Sharepoint is still trying to access ActiveDirectory rather than talking to the provider I'm asking it to use. My Sharepoint Central Administration section includes this: <membership> <providers> <add name="StubProvider" type="StubMembershipProvider.Provider, StubMembershipProvider, Version=1.0.0.0, Culture=neutral, PublicKeyToken=5bd7e2498c3e1a03" /> </providers> </membership> And also: <PeoplePickerWildcards> <clear /> <add key="StubProvider" value="%" /> </PeoplePickerWildcards> Is there a clear reason why this would not be accessible from the PeoplePicker or why it is still trying to use ActiveDirectory? I've made sure I reset IIS and even restarted the server to see if either of those helped but they made no difference.

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• How to open semicolon delimited CSV-files in US-version of Excel

  - by Holgerwa

  When I double-click on a .csv file, it is opened in Excel. The csv-files have columns delimited with semicolons (not commas, but also a valid format). Using a German Windows/Excel setup, the opened file is displayed correctly, the columns are separated where the semicolons existed in the csv-file. But when I do the same on an (US-) English Windows/Excel setup, only one column is imported, showing the whole data including the semicolons in the first column. (I don't have an English setup available for tests, users have reported the behavior) I tried to change the list separator value in Windows regional settings, but that didn't change anything. What can I do to be able to double-click-open those CSV-files on an English setup? EDIT: It seems to be the best solution not to rely on CSV-files in this case. I was hoping that there is some formatting for CSV-files that makes it possible to use them internationally. The best solution seems that I'll switch to creating XLS-files. Thanks to all for your suggestions and helpful tips!

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• Not able to find scripts present in /etc/profile.d directory [on hold]

  - by priya

  I am using Red Hat Linux 6.0 ... using davinchi board. I have to change system clock resolution so I am changing (HZ) env var. For this I have written script so that I can change HZ = 1000 n insert that script in /etc/profile.d and write code for loop in /etc/profile so that while running as usual /etc/profile can load the scripts present in /etc/profile.d. But when I am logging into the system at root level then showing error as "-bash: ./etc/profile.d/resolution.sh(my script name): No such file or directory Also here why it is showing ./etc and not /etc . Is something related to that?? Also I tried to add script in /etc/init.d but still no change in value of HZ takes place. Please tell where to change so that this env var can get changed. The script(resolution.sh) written has :- #!/bin/bash export HZ=1000 The content of /etc/profile which I entered is: if [ -d /etc/profile.d ]; then for i in /etc/profile.d/*.sh; do if [ -r $i ]; then .$i fi done unset i fi And the output of grep command is -rw-r--r-- 1 root root 535 Feb 4 2004 profile -rwxr-xr-x 2 root root 4096 Feb 2 2004 profile.d

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• Cannot find FIS partition 'initramfs'......... need help!!!

  - by vikramtheone

  Hi Guys, I have a Ubuntu 9.04 Linux running on Freescale's i.MX515(ARM Cortex based) board with me. There were about 250 updates pending and I did that today, well some of the updates failed because of the infamous errors: E: dpkg was interrupted, you must manually run 'sudo dpkg --configure -a' to correct the problem. E: Couldn't rebuild package cache E: dpkg was interrupted, you must manually run 'sudo dpkg --configure -a' to correct the problem. So, when I do the 'sudo dpkg --configure -a' I get new errors related to FIS partition: Cannot find FIS partition 'initramfs' User postinst hook script [/usr/sbin/flash-kernel] exited with value 1 dpkg: error processing linux-image-2.6.28-18-imx51 (--configure): subprocess post-installation script returned error exit status 1 dpkg: dependency problems prevent configuration of linux-image-imx51: linux-image-imx51 depends on linux-image-2.6.28-18-imx51; however: Package linux-image-2.6.28-18-imx51 is not configured yet. dpkg: error processing linux-image-imx51 (--configure): dependency problems - leaving unconfigured dpkg: dependency problems prevent configuration of linux-imx51: linux-imx51 depends on linux-image-imx51 (= 2.6.28.18.23); however: Package linux-image-imx51 is not configured yet. dpkg: error processing linux-imx51 (--configure): dependency problems - leaving unconfigured Processing triggers for initramfs-tools ... update-initramfs: Generating /boot/initrd.img-2.6.28-18-imx51 Cannot find FIS partition 'initramfs' dpkg: subprocess post-installation script returned error exit status 1 Whats going wrong here, need help!!! I'm a newbie. Regards Vikram

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• Windows7 shows a drive as full in summary but files, including backup folder, shown on drive are ver

  - by Rob

  I have a drive partitioned so it is seen by Windows as 2 drives: C:\ and D:\ Windows7 shows D:\ as full up in the graphical summary in 'My Computer' summary of all the drives, e.g. the bar graph indicates full and nearly all of the drive's capacity, 108Gb, is full. So I go into the D:\ drive to look at the files, I see several folders. I select them all and the right click menu Properties to count their size, expecting the value to be about the same as what Windows reports in the summary, i.e. nearly 108Gb. But the properties shows the files are very small, Kbs and Mbs, nowhere near 108Gbs. One of the folders is a backup, but its size is very small. I've checked the folder options to show all system files and hidden files too - and counted these in the properties. Something invisible is holding the space. What is happening here? I'm afraid to delete anything if it removes valuable backups. Have I got huge backups here? Why can't I see them? How do I see them?

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• Maximum limit of filepointer in php reached and not changeable

  - by mlaug

  I have a server with the current 5.3.x version installed. Since we are running a really simple and small server in php using sockets, that connects to a lot clients using sockets we need to raise the open file limit that has been already done on the server for the user, that runs the server #ulimit -a core file size (blocks, -c) 0 data seg size (kbytes, -d) unlimited scheduling priority (-e) 0 file size (blocks, -f) unlimited pending signals (-i) 29879 max locked memory (kbytes, -l) 64 max memory size (kbytes, -m) unlimited open files (-n) 8192 pipe size (512 bytes, -p) 8 POSIX message queues (bytes, -q) 819200 real-time priority (-r) 0 stack size (kbytes, -s) 8192 cpu time (seconds, -t) unlimited max user processes (-u) 29879 virtual memory (kbytes, -v) unlimited file locks (-x) unlimited and we compiled php with --enable-fd-setsize=8192 still we are getting [19-Nov-2012 09:24:23 Europe/Berlin] PHP Warning: socket_select(): You MUST recompile PHP with a larger value of FD_SETSIZE. It is set to 1024, but you have descriptors numbered at least as high as 1024. --enable-fd-setsize=2048 is recommended, but you may want to set it to equal the maximum number of open files supported by your system, in order to avoid seeing this error again at a later date. once in a while in our logs. Anyone knows who to configure the unix server and php correctly to have that working? I found a bug, but that is related to 2006 and marked as "not a bug" https://bugs.php.net/bug.php?id=37025&edit=1

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• Tracking down the cause of a web service fault running in IIS

  - by BG100

  I have built a web service in Visual Studio 2008, and deployed it on IIS 7 running on Windows Server 2008 R2. It has been extensively tested, handles all errors gracefully and logs any uncaught errors to a file using log4net. The system normally runs perfectly, but occasionally (2 or 3 times a day) a fault occurs and screws up the application which needs an iisreset to get it working again. When the fault occurs I get some random errors that are caught by my catch-all error log, such as: Value cannot be null. Could not convert from type 'System.Boolean' to type 'System.DateTime'. Sequence contains no elements These errors are raised on every request until I manually do an iisreset, but there is no sight of them when the system is running normally. The web service is a stateless request-response application. Nothing is stored in the session. It could be load related, but I doubt it as there are only around 30 or 40 requests per minute. This is proving very tricky to track down. I can't work out what is putting IIS into this bad state, and why it needs an iisreset to get it working again. Nothing is reported in the event log. Can anyone suggest how to enable more extensive logging that might catch this fault? Also, does anyone know what might be causing the problem?

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