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• Windows 7 Aero theme's "greyed out" - no found fix

  - by Robsta

  Brand new machine that was working fine then randomly it changed the theme when I booted into a sort of "basic" theme (white task bar, no see through windows etc) I've done and attempted many fixes and I still don't understand why it doesn't work. I've tried these two solutions: "How to enable Windows 7 Aero Theme" and "Windows 7 Aero Themes Greyed out" These solutions included registy changes, stopping/starting services, and force starting the aero theme. The closest I got seems to be when I went into: Control panel (category view) Find and fix problems (System and Security) Display Aero Desktop Effects I follow through the wizard and let it do its thing and then I get an error window that pops up: Personalization - "This theme can't be applied to the desktop. Try clicking a diffrent theme." That's what I get from the wizard. What can I do? My drivers are all up to date, there are no viruses on the computer, directx is installed and updated, and the registry is all correct. EDIT: When I boot the computer, I get a notification stating that windows failed to communicate with the windows desktop services.

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• Domain workstation acting up and I can't track it down.

  - by DevNULL

  I have a developer with a Windows XP (SP2) 64 bit machine. If the machine is left on overnight (or any period of time longer than 5-6 hours) it takes 2-3 minutes to open any local drive and his network drives are no longer accessible. Here's what the system logs report... Any Help BTW: The problem just started a week ago and nothing has changed on the domain controller / AD or his machine. --- ERROR 1 Event Type: Error Event Source: NETLOGON Event Category: None Event ID: 5719 Date: 6/8/2010 Time: 9:17:26 AM User: N/A Computer: BFC1 Description: This computer was not able to set up a secure session with a domain controller in domain UR due to the following: There are currently no logon servers available to service the logon request. This may lead to authentication problems. Make sure that this computer is connected to the network. If the problem persists, please contact your domain administrator. ADDITIONAL INFO If this computer is a domain controller for the specified domain, it sets up the secure session to the primary domain controller emulator in the specified domain. Otherwise, this computer sets up the secure session to any domain controller in the specified domain. For more information, see Help and Support Center at http://go.microsoft.com/fwlink/events.asp. Data: 0000: 5e 00 00 c0 ^..A --- ERROR 2 The machine-default permission settings do not grant Local Activation permission for the COM Server application with CLSID {555F3418-D99E-4E51-800A-6E89CFD8B1D7} to the user NT AUTHORITY\LOCAL SERVICE SID (S-1-5-19). This security permission can be modified using the Component Services administrative tool. For more information, see Help and Support Center at http://go.microsoft.com/fwlink/events.asp. --- ERROR 3 Event Type: Error Event Source: RemoteAccess Event Category: None Event ID: 20106 Date: 6/8/2010 Time: 10:12:18 AM User: N/A Computer: BFC1 Description: Unable to add the interface {E76F0A78-7A0B-4EBB-A081-BA3BD452FC4C} with the Router Manager for the IP protocol. The following error occurred: Cannot complete this function. For more information, see Help and Support Center at http://go.microsoft.com/fwlink/events.asp. Data: 0000: eb 03 00 00 e...

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• mount error 5 = Input/output error

  - by alharaka

  I am running out of ideas. After a long period of testing this morning, I cannot seem to get this to work, and I have no idea why. I want to mount a Windows SMB/CIFS share with a Debian 5.0.4 VM, and it is not cooperating. This the command I am using. debianvm:/home/me# whoami root debianvm:/home/me# smbclient --version Version 3.2.5 debianvm:/home/me# mount -t cifs //hostname.domain.tld/share /mnt/hostname.domain.tld/share --verbose -o user=SUBADDOMAIN.ADDOMAIN.DOMAIN.TLD/username mount.cifs kernel mount options: unc=//hostname.domain.tld\share,ip=10.212.15.53,domain=SUBADDOMAIN.ADDOMAIN.DOMAIN.TLD,ver=1,rw,user=username,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,pass=*********mount error 5 = Input/output error Refer to the mount.cifs(8) manual page (e.g.man mount.cifs) debianvm:/home/me# The word on the nets has not been very specific, and unfortunately it is almost always environment-specific. I receive no authentication errors. I have tried mount -t smbfs and mount -t cifs, along with smbmount and such. I get the same error before. I doubt it is a problem with DNS resolution, because logging shows the correct IP address. dmesg | tail -f no longer shows authentication errors when I format the domain and username accordingly. I have played a little with iocharset=utf8, file_mode, and dir_mode as described here. That did not help either. I have also tried ntlm and ntlmv2 assuming it might be a minimum auth method problem, but not forcing sec=ntlmv2 it can still authenticate without errors anymore. smbclient -L hostname.domain.tld -W SUBADDOMAIN.ADDOMAIN.DOMAIN.TLD -U username correctly lists all the shares and shows it as the following. Domain=[SUBADDOMAIN] OS=[Windows 5.0] Server=[Windows 2000 LAN Manager] Sharename Type Comment --------- ---- ------- IPC$ IPC Remote IPC ETC$ Disk Remote Administration C$ Disk Remote Administration Share Disk Connection to hostname.domain.tld failed (Error NT_STATUS_CONNECTION_REFUSED) NetBIOS over TCP disabled -- no workgroup available I find the last line intriguing/alarming. Does anyone have any pointers!? Maybe I misread the effin manual.

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• Celery daemon as a Ubuntu service does not consume tasks while running from terminal does

  - by Guy

  On Ubuntu 11.10, I have to issue python tasks from django using celery. I'm currently testing on the same machine but eventually the celery worker should run on a remote machine. django uses the following settings: BROKER_HOST = "127.0.0.1" BROKER_PORT = 5672 BROKER_VHOST = "/my_vhost" BROKER_USER = "celery" BROKER_PASSWORD = "celery" I can also see my task queued in http://localhost:55672/#/queues the celery daemon uses the following configuration (celeryconfig.py): BROKER_HOST = "127.0.0.1" BROKER_PORT = 5672 BROKER_USER = "celery" BROKER_PASSWORD = "celery" BROKER_VHOST = "/my_vhost" CELERY_RESULT_BACKEND = "amqp" import os import sys sys.path.append(os.getcwd()) CELERY_IMPORTS = ("tasks", ) running celeryd -l info works well and now I want to run it as a service. I've followed the instructions from http://ask.github.com/celery/cookbook/daemonizing.html and now I'm trying to run it using: sudo /etc/init.d/celeryd start But the message is not being consumed, no error in the celery log either. /etc/default/celeryd CELERYD_NODES="w1" CELERYD_CHDIR="/path/to/django/project" CELERYD_OPTS="--time-limit=300 --concurrency=1" CELERY_CONFIG_MODULE="celeryconfig" # %n will be replaced with the nodename. CELERYD_LOG_FILE="/var/log/celery/%n.log" CELERYD_PID_FILE="/var/run/celery/%n.pid" # Workers should run as an unprivileged user. CELERYD_USER="celery" CELERYD_GROUP="celery" I've also created user celery in Ubuntu not sure if its necessary. Any help will be appreciated, Thanks, Guy

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• User authentication -- username mismatch in IIS in ASP.NET application

  - by Cory Larson

  Last week, an employee's Active Directory username was changed (or a new one was created for them). For the purposes of this example, let's assume these usernames: Old: Domain\11111 New: Domain\22222 When this user now logs in using their new username, and attempts to browse to any one of a number of ASP.NET applications using only Windows Authentication (no Anonymous enabled), the system authenticates but our next layer of database-driven permissions prevents them from being authorized. We tracked it down to a mismatch of usernames between their logon account and who IIS thinks they are. Below are the outputs of several ASP.NET variables from apps running in a Windows 2008 IIS7.5 environment: Request.ServerVariables["AUTH_TYPE"]: Negotiate Request.ServerVariables["AUTH_USER"]: Domain\11111 Request.ServerVariables["LOGON_USER"]: Domain\22222 Request.ServerVariables["REMOTE_USER"]: Domain\11111 HttpContext.Current.User.Identity.Name: Domain\11111 System.Threading.Thread.CurrentPrincipal.Identity.Name: Domain\11111 From the above, I can see that only the LOGON_USER server variable has the correct value, which is the account the user used to log on to their machine. However, we use the "AUTH_USER" variable for looking up the database permissions. In a separate testing environment (completely different server: Windows 2003, IIS6), all of the above variables show "Domain\22222". So this seems to be a server-specific issue, like the credentials are somehow getting cached either on their machine or on the server (the former seems more plausible). So the question is: how do I confirm whether it's the user's machine or the server that is botching the request? How should I go about fixing this? I looked at the following two resources and will be giving the first one a try shortly: http://www.interworks.com/blogs/jvalente/2010/02/02/removing-saved-credentials-passwords-windows-xp-windows-vista-or-windows-7 http://stackoverflow.com/questions/2325005/classic-asp-request-servervariableslogon-user-returning-wrong-username/5299080#5299080 Thanks.

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• Server 2008R2 in Extra Small Windows Azure Instance?

  - by Shawn Eary

  Windows Azure hosting for an Extra Small (XS) Windows VM seems to come out to be about $10 a month right now. I think this XS instance gives you the equivalent of a 1 GHZ CPU with 768MB of RAM. I think the minimum requirements for Server 2008 is 1GHZ CPU with 512MB of RAM. Also, I think the minimum requirements for SQL Server Express is 1GHZ CPU with 256 MB of RAM and that the minimum requirements for Team Foundation Server Express 11 Beta is 2.2 GHZ CPU with 1 Gig of RAM (this 2.2 GHZ part could be a problem for my 1 GHZ XS VM...). Given the performance of the XS Azure instance, would I be able to install: a very basic MVC web site; a free instance of SQL Server Express; a free single user instance of Team Foundation Server Express 11 Beta and run the XS VM instance without serious crashing? I know there are other Shared WebHost providers that can provide these features for me, but those hosting providers have the following disadvantages: They sometimes cost a lot of money after all of the "addons" are in place They probably don't provide the level of security and employee integrity that Microsoft can provide They don't provide the total control that an Azure VM seems to provide

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• DXVA and ATI.... what am I missing?

  - by Shiki

  ATI Radeon HD3650 ffdshow (the one comes with CCCP 2010-10 AND the latest from Free-codecs site) Catalyst 10.12 Latest DirectX, Windows 7 HP x64 If I try to play it simply, the player (mpc-hc) won't use the acceleration. If I disable checks, I get artifacts. Back then it worked perfectly with my Intel and ATI too (Lenovo ThinkPad T500, switchable graphics). This only appeared recently. What should I do? What am I missing? If possible, I don't really want to downgrade drivers (waaa ATI drivers s.ck ... sorry but.. honestly), because the older one got a buggy DP driver so my external display gets a totally wrong resolution. Info about the media file: Video: Format : AVC Format/Info : Advanced Video Codec Format profile : [email protected] Codec ID : V_MPEG4/ISO/AVC Writing library : x264 core 88 r1462 7fcffde Encoding settings : cabac=1 / ref=8 / deblock=1:0:0 / analyse=0x3:0x133 / me=umh / subme=8 / psy=1 / psy_rd=0.80:0.20 / mixed_ref=1 / me_range=24 / chroma_me=1 / trellis=2 / 8x8dct=1 / cqm=0 / deadzone=21,11 / fast_pskip=1 / chroma_qp_offset=-3 / threads=3 / sliced_threads=0 / nr=0 / decimate=1 / mbaff=0 / constrained_intra=0 / bframes=8 / b_pyramid=2 / b_adapt=2 / b_bias=0 / direct=3 / wpredb=1 / wpredp=2 / keyint=250 / keyint_min=25 / scenecut=40 / intra_refresh=0 / rc_lookahead=40 / rc=crf / mbtree=1 / crf=16.0 / qcomp=0.60 / qpmin=10 / qpmax=51 / qpstep=4 / ip_ratio=1.40 / aq=1:1.00 The sample file I'm testing at the moment: [Coalgirls]_Kiddy_Girl-and_01_(1920x1080_Blu-Ray_FLAC)_[91428679].mkv (I tried many x264 files, no use.) Artifacts

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• files have no ownership permissions and can't assign ownership

  - by Force Flow

  I'm having problems with file permissions on a server 2008 R1 server. Office 2010 tmp files are being created, and don't have any security permissions assigned. They aren't being deleted, I can't assign ownership, and I can't delete them. I downloaded and ran the sysinternals tool handle.exe. When running it for the first time, handle64.exe was created, but not assigned any permissions. I cannot assign ownership and cannot delete it. Seemingly random files in random places don't seem to have any permissions assigned. Access is denied when attempting to change ownership to administrator or the administrators group. If I try to replace inheritable permissions of the folder these files are in, access is denied for the files with no permissions. I attempted to use subinacl to view the ownership information on the files that had no permissions, but access was denied here as well. I also tried setting the owner with setacl in an elevated cmd window, but access was denied as well. This problem only surfaced in the last few days, and I'm unsure as what the cause is or how to correct it.

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• running chkdsk /F on a large mounted NTFS image file gets BSOD (Windows Vista)

  - by Citizentools

  Using ddrescue, I've created ISO files from the C: and D: drives on my Windows XP laptop's harddisk (after the laptop stopped booting and chkdsk etc. wouldn't fix it). I was able to mount the 60 GB D.iso file use OSFmount, and successfully recreated the D: drive on another laptop. The C.iso image is more problematic. ddrescue left about 3mb unrecovered of 85 GB total, after multiple passes (no big worries about this) and I'm able to mount it with OSFmount on a Windows Vista laptop. However, when I run chkdsk /F /V on the mounted drive (which was mounted as H:), I consistently get a blue screen (BSOD). CHKDSK makes it through the first three passes, including index fixing and security descriptor fixes, without errors, but triggers a BSOD when it attempts to fix the volume records or bitmap If I attempt to fix the drive by clicking on Properties-Tools-Error checking-Check Now-Automatically fix file system errors, I get an alert box reading "WIndows was unable to complete the disk check." I'd try a tool other than OSFMount, but it's the only thing I've found so far that will mount large ISO files, and it has worked for me up to now in this process. [Update 2011-11-13 18:41 EST] Just ran the same process using the original Windows XP laptop, with a different internal drive, and chkdsk worked like a champ. So the question is still interesting, but decidedly less urgent.

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• Win 2003 SBS - secure enough by default?

  - by Pekka

  I have to set up a Windows 2003 Small Business Server to work as a Subversion repository and possibly as an E-Mail server later. The machine is a virtual one, hosted with a hosting company, and freshly initialized. I used the Security Configuration Wizard to deactivate all server roles. After I install Subversion, I will open the necessary ports for the service; in addition, obviously, RDP will stay open so I can remote control the machine. Automatic updates are activated, and I will set up E-Mail notification every time somebody logs on to the server. I'm a programmer and not a professional systems administrator, so I would like to know whether you would regard this a sane and secure setup for a (publicly available) box to host sensitive code and/or E-Mail on. Is there anything in addition I should do to make the machine secure? Is there anything I can do on a long-term basis to keep the machine secure, apart from monitoring the event log (as far as I can make sense out of it), and seeing that any hotfixes are installed properly?

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• NTFS permissions weird inheriance (second take!)

  - by Wil

  A complete re write of my previous question, in a different context. Basically, the issue is that when I create a new user within a new group, the new user has various permissions over various folders. I have deleted the group "users" from this user object, and it is simply a member of the group "test". I have created a folder called c:\foo, when I go to effective permissions under the security tab, I can see that the user "lockdown" has various permissions. As far as I can see, there is nothing that should allow lockdown access. The moment I remove users from this list, it behaves as I would expect, which makes me believe that for some strange reason, the users group behaves like the everyone group and is controlled by the system. That being said, I cannot understand this as under the list, it is not there - and further to this, with the same permissions as the first picture, guest does not have access. This has stumped me and any help is appreciated! (Tested in Windows 2003 and 2008) edit - Should also say that if I go to Effective Permission for the group the user is in, there are no boxes checked, so it is somehow just the user that is getting the permissions from somewhere.

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• cannot reach munin port on other AWS instance

  - by Amedee Van Gasse

  2 AWS instances, in the same region but different availability zones, one is in regular EC2 and the other is in VPC, both have an Elastic IP, both are 64bit Amazon Linux AMI 2014.03.1. Both are running munin-node. The instance in the VPC is running munin-cron. I have added incoming TCP and UDP port 4949 to the security groups of both instances. On the munin node, I added an allow-line with the IP address (regular expression) of the munin server to /etc/munin/munin-node.conf. I bind munin-node to any interface using host *. Then I did sudo service munin-node restart. Then I ran netstat. $ sudo netstat -at | grep munin tcp 0 0 *:munin *:* LISTEN So the port is open there. On the munin server AND on the munin node: $ nmap AMAZON-IP -p 80,4949 | grep tcp 80/tcp open http 4949/tcp closed munin On the munin node: $ nmap localhost -p 80,4949 | grep tcp 80/tcp open http 4949/tcp open munin So from the outside, the http port is open (Apache is running) but the munin port is closed. The node can't even reach the munin port on it's own public IP address, but it can on localhost. I added port 80 as a sanity check, to be sure that there is network connectivity at all. So what am I overlooking here?

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• Cannot Access Local Network Shares (Strange Schannel and lsass.exe issues)

  - by Fake

  When I browse to my own computer's shares by going to \\MYCOMPUTERNAME\ ; I cannot access any of the shares on my LOCAL machine (nor can I access them remotely) and it generates about 40 of the following errors in my system event log: The following fatal alert was generated: 10. The internal error state is 1203. Details: <Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event"> <System> <Provider Name="Schannel" Guid="{1F678132-5938-4686-9FDC-C8FF68F15C85}" /> <EventID>36888</EventID> <Version>0</Version> <Level>2</Level> <Task>0</Task> <Opcode>0</Opcode> <Keywords>0x8000000000000000</Keywords> <TimeCreated SystemTime="2011-04-05T13:52:09.144278900Z" /> <EventRecordID>79628</EventRecordID> <Correlation /> <Execution ProcessID="552" ThreadID="672" /> <Channel>System</Channel> <Computer>DEVELOP4.CONTOSO.COM</Computer> <Security UserID="S-1-5-18" /> </System> <EventData> <Data Name="AlertDesc">10</Data> <Data Name="ErrorState">1203</Data> </EventData> </Event> Additonal information: The process that is generating the error is lsass.exe OS: Windows7 Professional x64 Joined to Domain: Yes I was able to access the shares locally in the past I am having the same issue on 3 other computers that have similar configurations Any help would be greatly appreciated, because I have no idea what's wrong. Thanks!

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• is ksplice production ready?

  - by faultyserver

  I would be interested to hear the serverfault community's experiences with Ksplice in production. Quick blurb from wikipedia: Ksplice is a free and open source extension of the Linux kernel which allows system administrators to apply security patches to a running kernel without having to reboot the operating system. and Ksplice can, without restarting the kernel, apply any source code patch that only needs to modify the kernel code. Unlike other hot update systems, Ksplice takes as input only a unified diff and the original kernel source code, and it updates the running kernel correctly, with no further human assistance required. Additionally, taking advantage of Ksplice does not require any preparation before the system is originally booted (the running kernel does not need to have been specially compiled, for example). In order to generate an update, Ksplice must determine what code within the kernel has been changed by the source code patch. So a few questions: How has the stability been? any odd issues that you have encountered with its 'rebootless live patching' of the kernel? Kernel panics or horror stories? I have been running it on a few test systems and so far its been working as advertised, but I am interested in what other sysadmins experiences have been with Ksplice before going 'all in' and deploying this on our production servers. So, anybody using Kspice in production? update: hmm, not seeing any real activity on this question after a couple of hours (besides some kind upvotes and favs). Maybe to spark some activity I'll also ask a few more questions and see if we can get this discussion going... "If you are aware of Ksplice, is there a reason you are not using it?" "Do you feel its still too bleeding edge, unproven or untested?" "Does Ksplice not fit well within your current patch-management system?" "Do you hate having systems that have long (and secure) uptimes?" ;-)

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• New tomcat install on OSX choking on startup.

  - by baudot

  I've completed a fresh install of Tomcat6 on an OS X box that didn't have it before. It's behaved a bit strangely in other ways, but the current hang-up is that it won't start at all. In response to running startup.sh, the catalina.out log collects this error: Exception in thread "main" java.lang.NoClassDefFoundError: org/apache/catalina/startup/Bootstrap Caused by: java.lang.ClassNotFoundException: org.apache.catalina.startup.Bootstrap at java.net.URLClassLoader$1.run(URLClassLoader.java:202) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(URLClassLoader.java:190) at java.lang.ClassLoader.loadClass(ClassLoader.java:307) at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301) at java.lang.ClassLoader.loadClass(ClassLoader.java:248) Other bits of strangeness noticed with this installation: the .sh scripts in the bin directory had no execute permission, and had to be manually chmodded. The log folder wasn't created, causing an earlier script crash. After I manually created the log folder, the startup script made it to this new error before failing. Running other scripts in the bin folder generates similar error messages involving NoClassDefFoundError. Bootstrap.java is indeed in the right place, though Bootstrap.class isn't in the same folder. For that matter, if any of the myriad class files for tomcat should have already been generated from their .java files, I haven't seen it.

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• hp DL380 G4 won't boot with disk plugged into front USB

  - by Kev

  We outgrew a few older external USB backup drives, and purchased WD My Passport 1 TB USB 3.0 drives to replace them. When they are plugged into the front of our G4, it will blink forever after the BIOS (which is current, BTW) and never boot, even though the USB disks are not "bootable" per se. Our old drives did not exhibit this behaviour (so I don't think it's this type of issue that I've read about other servers.) The old drives were USB 2.0, but this shouldn't make a difference, AFAICT--the specs say all of the G4's USB ports are the same, 2.0, anyway, so I'm not sure how one port would handle a USB 3.0 device better than another. If we plug the new drives in one of the back slots, it boots fine. What's the cause? My concern is that the front USB port, and possibly the motherboard, might be starting to die. (We are experiencing other strange issues with them, or were initially, like intermittent file permissions errors despite wide-open ACL on these local drives, but some serverfault users have me convinced they may be coincidental software/security related issues.)

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• Controller Error: Do I need to worry?

  - by Kryten

  I have a HP Pavillion dv5224ea Laptop with Windows 7 on it. Recently I discovered a Error in Event Viewer: The driver detected a controller error on \Device\Ide\IdePort1. (more details): - System - Provider [ Name] atapi - EventID 11 [ Qualifiers] 49156 Level 2 Task 0 Keywords 0x80000000000000 - TimeCreated [ SystemTime] 2010-03-07T12:43:07.090197600Z EventRecordID 30198 Channel System Computer Alistair-Win7 Security - EventData \Device\Ide\IdePort1 0000100001000000000000000B0004C002000000850100C00000000000000000000000000000000000000000000000000000000004100000 -------------------------------------------------------------------------------- Binary data: In Words 0000: 00100000 00000001 00000000 C004000B 0008: 00000002 C0000185 00000000 00000000 0010: 00000000 00000000 00000000 00000000 0018: 00000000 00001004 In Bytes 0000: 00 00 10 00 01 00 00 00 ........ 0008: 00 00 00 00 0B 00 04 C0 .......À 0010: 02 00 00 00 85 01 00 C0 ......À 0018: 00 00 00 00 00 00 00 00 ........ 0020: 00 00 00 00 00 00 00 00 ........ 0028: 00 00 00 00 00 00 00 00 ........ 0030: 00 00 00 00 04 10 00 00 ........ Event Viewer is recording A LOT of these errors (sometimes 13, one after the other!). Do I need to worry? What does this error mean? What device could "\Device\Ide\IdePort1" be? What is a ATAPI Error? Do I need to re-install Windows? I generally find the occurs when I try to backup my machine (using Windows Backup) or when using a program that uses Volume Shadow Copy. I have run "sfc", no problems. There are no Device Errors in Device Manager. I have also run "vssadmin list writers", no problems. Whats going on??? Would it be a good idea to re-install Windows 7?

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• .NET 2.0 Application now running slow on IIS 7.5

  - by Valien

  I recently moved (and still in testing) an application from a Windows 2003 Server (Physical box) running IIS 6.x to a Windows 2008 R2 Standard (VM) IIS 7.5 server. The application is a .NET framework 2.0 application and is running under a 2.0 App Pool. This site works great except for one thing: Takes forever to get a request back. I've been tracking it with Chrome Inspect Element and it queries the site and can take up to 45 seconds to answer. Now when it does the page(s) render instantly but it's that initial request that's killing it. I see no error logs or issues with the application or Windows Event Viewer or even IIS logs so not sure where to start looking next. Some new changes was that previously the app resided behind a Pix firewall and now is behind a larger network environment in a DMZ zone (and I believe NetScaler is also being used to manage the network). I do not have rights/abilities to look at the network itself but can contact the Data center folks to look deeper into this but I wanted to make sure it's not my application that might be causing the slowdown or IIS. In summary: .NET 2.0 application works great in IIS 6.x Application moved to an IIS 7.5 server and now slow on rendering but when it does render responds back with pages instantly. Edit for solution Found out that it was the SOAP calls that were slowing the site down. In the new datacenter my application cannot request SOAP calls and so they time out after 40-45 seconds or so. Now trying to find out if I can install a proxy server to redirect this...

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• Change the Powershell $profile directory

  - by Swoogan

  I would like to know how to change my the location my $profile variable points to. PS H:\> $profile H:\WindowsPowerShell\Microsoft.PowerShell_profile.ps1 H:\ is a network share, so when I create my profile file, and load powershell I get the following: Security Warning Run only scripts that you trust. While scripts from the Internet can be useful, this script can potentially harm your computer. Do you want to run H:\WindowsPowerShell\Microsoft.PowerShell_profile.ps1? [D] Do not run [R] Run once [S] Suspend [?] Help (default is "D"): According to Microsoft, the location of the $profile is determined by the %USERPROFILE% environment variable. This is not true: PS H:\> $env:userprofile C:\Users\username For example, I have an XP machine working how I want: PS H:\> $profile C:\Documents and Settings\username\My Documents\WindowsPowerShell\Microsoft.PowerShell_profile.ps1 PS H:\> $env:userprofile C:\Documents and Settings\username PS H:\> $env:homedrive H: PS H:\> $env:homepath \ Here's the same output from the Vista machine where the $profile points to the wrong place: PS H:\> $profile H:\WindowsPowerShell\Microsoft.PowerShell_profile.ps1 PS H:\> $env:userprofile C:\Users\username PS H:\> $env:homedrive H: PS H:\> $env:homepath \ Since $profile isn't actually determined by %USERPROFILE% how do I change it? Clearly anything that involves changing the homedrive or homepath is not the solution I'm looking for.

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• Firefox not displaying icons in KhanAcademy

  - by ADTC

  If you don't know what Khan Academy is, check it out. It's awesome. (For testing purpose you may view any video on the website.) My problem -- it's a minor problem, but annoying -- is that in Firefox (Windows 7), the icons below the video are shown as boxes with hex codes in them. This means the icons come from some font that isn't getting downloaded by Firefox. How it appears on Chrome (Windows 7), Safari (Mac OS X) and Stainless (Mac OS X): I checked out the source and found that the font in question is called "FontAwesome". I found this question in S.O. that may explain why this happens -- the CSS does use single quotes to enclose the font's src location. However I don't have any write access to Khan Academy servers so I can't modify the actual website. I want to know if this can be fixed in Firefox, and how. I can run Greasemonkey scripts if that would help. Also, would manually downloading the font and adding it to Windows' Fonts folder help? I tried this with the TTF font, and it does not help. For reference, the CSS that sets this font up (not processed properly by Firefox) is: @font-face { font-family:'FontAwesome'; src:url('./fontawesome-webfont.eot'); src:url('./fontawesome-webfont.eot?#iefix') format('embedded-opentype'), url('./fontawesome-webfont.woff') format('woff'), url('./fontawesome-webfont.ttf') format('truetype'), url('./fontawesome-webfont.svg#FontAwesome') format('svg'); font-weight:normal; font-style:normal } [class^="icon-"]:before, [class*=" icon-"]:before { font-family:FontAwesome; font-weight:normal; font-style:normal; display:inline-block; text-decoration:inherit }

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• Disadvantages of enabling 'Low Fragmentation Heap' LFH on Windows Server 2003?

  - by James Wiseman

  I've been investigating an issue with a production Classic ASP website running on IIS6 which seems indicative of memory fragmentation. One of the suggestions of how to ameliorate this came from Stackoverflow: How can I find why some classic asp pages randomly take a real long time to execute?. It suggested flipping a setting in the site's global.asa file to 'turn on' Low Fragmentation Heap (LFH). The following code (with a registered version of the accompanying DLL) did the trick. Set LFHObj=CreateObject("TURNONLFH.ObjTurnOnLFH") LFHObj.TurnOnLFH() application("TurnOnLFHResult")=CStr(LFHObj.TurnOnLFHResult) (Really the code isn't that important to the question). An author of a linked post reported a seemingly magic resolution to this issue, and, reading around a little more, I discovered that this setting is enabled by default on Windows Server 2008. So, naturally, this left me a little concerned: Why is this setting not enabled by default on 2003, or If it works in 2008 why have Microsoft not issued a patch to enable it by default on 2003? I suspect the answer to the above is the same for both (if there is one). Obviously, we're testing it in a non-production environment, and doing an array of metrics and comparisons to deem if it does help us. But aside from this I'm really just trying to understand if there's any technical reason why we should do this, or if there are any gotchas that we need to be aware of.

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• scalable yet doable small-medium office network

  - by Jared

  Hello, I'm studying up with both Microsoft and Cisco literature and I must say, my head is starting to get clustered up (pun intended). I've made a quick network diagram of a theoretical company... Company1 owns Company 2 and Company 3, which are all under separate rooms and networks, but must be able to share a few resources such as files or printers. Given the amount of info out there and best practices, I thought about posting here to get suggestions and see what would the pro's do. I can read and read all day and implement on my own, but if I dont get some outside input, how will I know if I'm doing something wrong, right? anyway, please take a look and see if this is an over-complicated network or a lackluster design for a small-medium company of about 35 people and lets say they will be double that number by end of the year... :) Using win2k3, esxi, windows xp. FCS - forefront client security, ACS - access control system, SPCWK - spiceworks, XCH - Exchange Im not allowed to post an image yet, so here's the link ---- GLIFFY IMAGE Flame suit is on just in case people get mad at me for making an "abomination". I'd really want to get the general overview properly before I dive into the more complicated things

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• Use of backreferences in fail2ban filters possible?

  - by Izzy

  From time to time, I see collections of suspect "File not found" errors in my Apache logs, basically using the pattern File does not exist: /var/www/file, referer: http://my.server.com/file In human terms: The file was not found, though it referenced here itself. A clear hacking attempt, as that's hardly possible (and the REQUEST_URIs often enough suggest the same). In my eyes a clear case for fail2ban – if I could get backreferences to work here: failregex = ^%(_apache_error_client)s File does not exist: /var/www(.+), referer: http://.+\1$ (Justin Case: above examples assume the DIRECTORY_ROOT of that webserver being /var/www) I googled for hours, searched the fail2ban wiki up and down – but nowhere I could find a statement concerning backreferences in its filters. Are they not supported, or did I do it the wrong way? Any hints how to make it work (except from "dirty hacks" like first sending the request to another fake url using mod-rewrite, and then catching on that (if anyone is interested, I can elaborate on that approach in an answer), or doing something similar using mod-security)? as an entire log line was requested: [Fri Nov 08 14:57:28 2013] [error] [client 50.67.234.213] File does not exist: /var/www/text/files.htm++++++++++++++++++++++++++Result:+using+proxy+27.34.142.47:9090;+no+post+sending+forms+are+found;, referer: http://www.myserver.com/text/files.htm++++++++++++++++++++++++++Result:+using+proxy+27.34.142.47:9090;+no+post+sending+forms+are+found; (sorry, logs were just switched, so this long candidate was the only one left currently; minor adjustments were made for privacy reasons)

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• VMWare steals IP addresses

  - by Ishan Amin

  I'm having a peculiar problem, that I think I have narrowed down to VMware. For the past one year, every once in a while we lose internet connection and not all users (about 10 users) go down at the same time, its usually one-by-one. First someone will call me and say "Internet is down" and then we would go reset the router and modem and switch and it would be working again for a while, then go down again without any pattern or replicatable sequence. We'd go repeat the steps again to get everyone in the office running again. We called our Internet Service Provider and they constantly say, We see your modem and we see your router and from thier end everything is OK. we replaced our router and switch and modem, twice! Last friday, it dawned upon me, that everytime we turn on a VMware machine, this sequence of taking everyone down starts, which also explains the message that my users get for "IP Conflict Found" So we do alot of VMware testing and lo and behold, it takes my Internet down. My Yahoo and Gtalk would continue working but www is down when the VMware machines are started. I do use bridged networking to all the VMware machines, but I dont know what else to set it at. now, sorry for this long rambling but anyone have any clue on how to stop this? thanks IA

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• SVN, Samba and Symbolic Links. How to get them all to play together?

  - by Camsoft

  I've got a website project under version control that relies on files from an unversioned directory on the same server via Symbolic Links. I'm currently storing the symbolic links in the repository. The idea is that if someone checks out a working copy on to the same server they can edit and test the working copy of the project before committing it back to the repository. When they checkout their working copy it successfully sets up the symlinks so that the entire site works when testing. The users that work on the project are Windows users, so I've set a samba shares on the server and then mapped them to network drives in Windows. People can edit their working copies directly on the server via network shares and then test them in the web browser before committing their changes back to the repository via TortoiseSVN. The Problem The problem I have is that Samba resolves the symlinks as expected but when a user tries to commit their changes back to the repository, TortoiseSVN thinks the linked files are part of the project and tries to commit the target files to the repository and not the symlinks themselves. I tried turning off symlink support in samba which means that the linked files cannot be resolved as I don't really want people to have access to the linked files nor do I want to import the linked files in the repository. The problem with this is that I get Can't stat '\webserver\projects\working\project\symlinked_file.php'. Access is denied Apart from the symlink problem everything else works 100% perfectly. Users can either checkout website projects to their machine and work on them (but can't test) or checkout them out to their space on the dev web server and work on them and fully test. So I don't want to change the workflow process, I just need a solution to the symbolic link issue. Many thanks. Originally posted on StackOverflow: http://stackoverflow.com/questions/2400917/svn-samba-and-symbolic-links-how-to-get-them-all-to-play-together

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