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• Can I prevent Internet Explorer 8 from running scripts until the page is loaded?

  - by Tom W

  When trying to veiw a number of different websites in IE8, I get the following error message: HTML Parsing Error: Unable to modify the parent container element before the child element is closed (KB927917) On investigating the error message, it appears the script is trying to modify parts of the page before it is fully loaded. Is there a setting in IE8 I can change to prevent scripts from running until the page is fully loaded? EDIT: The sites in question used to work just fine, until I had to re-install IE8 for a seperate issue. Then they stopped working.

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• What is the best IP/Subnet set up strategy for a multi-server webhosting setup?

  - by Roy Andre

  Sorry for the mixed-up title, but let me try to explain better: We run a hosting solution, which until now has supported shared hosting and VPSes. Easy enough. We are now getting larger clients which require a more complex setup. We have more or less settled the server-setup itself, which will consist of: 1-2 Frontend Proxy/Load balancing servers 2+ Application servers 1 Database server 1 optional Memcached server The issue we are dealing with is to agree on a flexible and easy-to-maintain IP setup. So far we've been into VLAN'ing the internal servers in its own subnet, we've though of assigning an official IP to each server, and so on. What will be the best approach here? Any best practices? Using one official IP on the Frontend server, and then just set up an internal subnet for the servers behind that? We could then just NAT in any eventual sources required to access for instance the DB server directly over 3306.

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• What's the best practice for keeping track of Microsoft solution stack Hot fixes and patches?

  - by melaos

  i'm currently working on a product that is build on microsoft stacks such as sql server, entity framework, wcf, c# and biztalk server. so recently we're running into weird issues on our production servers and now we're troubleshooting this issue. we're kind of lost. so we're looking into anti virus exclusion and cumulatives updates for biztalk server. but my question now is what's the best way to keep track of all the hot fixes? do we just check for them, i.e. google it up only when we have issues? i've googled online and found that there's a microsoft baseline analyzer tool. and the other thing is microsoft blog which is updated on a weekly basis which contains all the recent hot fixes. are there a better way or best way? thanks for my ignorant question.

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• How to configure what certificates can be issued using Web Enrollment in Windows Server 2008 R2 Enterprise?

  - by antik

  I have a CA installed on of my Windows Servers in a small farm of systems. I've installed the Certification Authority Web Enrollment and Certificate Enrollment Web Service roles on the CA. I want to issue a Computer certificate to a computer not jointed to my domain. The user attempting web enrollment has domain credentials. The user was able to navigate to https://myServerHostname/certsrv and request a User certificate successfully. However, the user needs a Computer cert as well. From the certsrv site, the user tried the following: Advanced Certificate Request Create and Submit a Request to this CA However, the Computer certificate template is not available under the Certificate Template heading. He is only seeing "User" and "Basic EFS". How do I configure the CA to allow him to request a Computer cert for his system?

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• Clone a Red Hat RAID as part of a disaster recovery plan

  - by Campo

  I am looking for recommendations to clone a Red Hat mirrored raid to a single hard drive located in the same machine. The idea is if the servers hardware ever has an issue we have a similar hardware machine ready to go. All we would have to do is pop in the cloned drive. If the servers RAID ever failed we could just switch to the single drive to maintain uptime and restore the original configuration on the spare server with a backup. This is a restaurant and they are open 7 days a week. We do have time from 12:am to 9:00am to perform the necessary steps for a clone and we talking about under 10 Gigs of information. There is a database on the server. I have looked into Rsync and Clonezilla. But I am just not confident either is capable of completing the task I want. Looking for some suggestions and possibly a step by step if you could be so kind.

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• Beginners guide to developing optimization software

  - by Florenc

  I am novice in "serious" programming i.e. applications that deal with real-life applications and software projects that go beyond school assignments. My interests include optimization, operations research, algorithms and lately i discovered how much I do like software design/development/engineering. I have already developed some simple desktop applications for some "famous" problems like TSP using heuristc approaches, a VRP solver (in progress) and so on. While developing this kind of software I actually used basic concepts taught at school such as object-orientation analysis and design. But, I found these courses rather elementary and quite boring (for my expectations). So I decided to go a little further and start developing "real" software (and this is where I realized how important and interesting software engineering/design is.) Now, here's my issue: I can not find a "study guide" for developing software of this kind. Currently, there are numerous resources out there (books, websites, tutorials) in designing and developing complex IS, web applications, smartphone apps but I can't find a book for example entitled "optimization software development". Definetly, someone could claim that "design patterns apply to software in general" but that's not my point. My point is that I could simply use my imagination for "simple" implementations, but what happens, when my imagination can not go further? In other words I'm looking for a guide/path to bridge the gap between: Mathematics-Algorithm Design-Software Engineering-Optimization-Software development

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• postfix: force server to send mail outside of localhost

  - by LoneWolfPR

  I have a php file that sends mail using the mail() function. The problem is one of the forms sends to a domain that is registerred on my server while having the mail handled on a different server. Postfix looks locally only. When it doesn't find the email address is rejects the message. How can I configure postfix to send mail to all domains through the internet and not locally? Update Ok. So it wasn't a postfix issue at all. I simply needed to turn off mail to that domain from the command line. For anyone that needs that command it is (at least on my system): /usr/local/psa/bin/domain --update example.com -mail_service false

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• Login takes very long, annoying repaints once a minute when logged in: How to troubleshoot?

  - by user946850

  I am suffering from a strange problem with my Gnome Shell in Ubuntu 12.10. The login takes very long ( 30 sec), with a blank screen. In Google Chrome and Thunderbird (and perhaps in other applications), the main window freezes and is repainted in periodic intervals of less than one minute. The freeze takes several seconds, and it seems that font and appearance of, e.g., tabs and buttons briefly changes. Attempting to enable the second monitor show an error message related to XRANDR. Everything seems to have started three days ago, after I had to force-shutdown the machine while it was hibernating due to low power. (It was hibernating for quite a while and didn't want to stop.) Silly me. I have tried the following measures, with no avail: Checked all package file md5 hashes using debsums Reinstalled all packages using a variant of dpkg --get-selection \* | xargs apt-get install -reinstall Temporarily moved configuration directories such as .gconf, .config and .gnome2 to another location Created a new user account When I choose "Ubuntu" during login, the problems disappear. I am sort of frustrated that reinstalling all packages didn't fix the issue. How to troubleshoot this Gnome Shell (?) problem, short of reinstalling the system? (Or did anyone see this kind of behavior on their machine?)

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• Is there a way to stream wirelessly from a laptop to a TV?

  - by Robsta

  I heard of such a thing like a box or a media player such thing that can connect wirelessly to stream movies from my laptop? Is there such a thing that can do it? How is the latency on it? I have fast internet so that's not an issue, or is there such a box that connects with Bluetooth for better connection? I need these box to also be able to browse the internet because I'd like to stream movies from YouTube. I have heard of a thing called boxee, but is that what I'm looking for? I have windows 7 as my os, with an HDMI out and a GPU with a 555m. My laptop is powerful enough and my internet is 25mbps with a cap of 150GB. All i would really like to know is what this device is called? A media box?

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• Cannot resize an ntfs (Windows Server 2k3r2) boot partition booting from gparted

  - by jshin47

  I am trying to use gparted to make my ntfs system/boot partition larger. I expanded the disk in ESX, providing an extra 60 GB or so of free space. I confirmed that this free space is available in gparted: However, when I try to go to "Move/Resize" the boot partition, there is no unallocated space for me to allocate. It will let me resize the "extended" (non-boot) partition, which makes me think the issue is that the partitions are not contiguous. If it's not obvious, I am no expert in partitioning/storage so any help is appreciated.

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• Install Windows XP using USB

  - by AmanBe

  How to install windows xp from usb ? I have the iso image. My cdrom is not working. I read up something on internet about this issue but all the articles are just way too complex and big + they are all different so don't know which one to try. I want to know if someone has tried something like this and to tell me what's the best and easiest way, like some tool that will automatically write the iso file onto the flash drive and make it bootable or smth. Thank you in advance.

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• Bind9 forwarding zone not working

  - by JMW

  i've setup a forwarding zone on a RHEL6 Bind server like this: zone "office.local" IN { type forward; forward only; forwarders { 192.168.0.2; 192.168.0.3; }; }; when i try to query using dig @127.0.0.1 monitorsms.office.local i see the following message in the syslog: client 127.0.0.1#39376: query: monitorsms.office.local IN A + (127.0.0.1) validating @0x7ff7640357d0: monitorsms.office.local A: bad cache hit (monitorsms.office.local/DS) google tells me, that there is an issue with DNSSEC, but both servers do not have DNSSEC configured and thus do not send any DNSSEC records. What's wrong with my configuration?

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• Web Farm Application deployment best practices

  - by rauts

  Hi All, We are having a web farm which hosts multiple ASP.Net applications. We typically have 4 servers on the farm. The dilemma which i am having is in terms of capacity issue of the farm. Lets say i have currently got 200 apps in total. Should I deploy all 200 apps on all 4 servers (i.e. all the servers in the farm are identical) or should i split the applications between 2 sets of server and create 2 smaller farms so that i can then manage the application based on its criticality and usage etc. Any best practices in this area would be highly appreciated. Thanks Rauts

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• Unable to see some Russian id3 tags in ncmpc

  - by ??????? ???????????

  I'm running urxvt with the current env: $ env | grep LC LC_ALL=en_US.UTF-8 The problem is either with ncurses or ncmpc and I was wondering if anyone could shed some light on what the problem might be. This could also be an issue with the ID3 tags and any advice on working with broken or misconfigured encoding settings in meta tags in mp3 files is also welcome. I have been ignoring this matter for years and it has finally gotten to me. The bizarre thing is that some filenames or tags work, while others do not. What I have tried the following: setting LC_ALL to these values (whatever is before the space) ru_RU.KOI8-R KOI8-R ru_RU.UTF-8 UTF-8 ru_RU ISO-8859-5 rebuilding the MPD database with id3v1_encoding "ISO-8859-1" or id3v1_encoding "UTF-8" I can demonstrate the problem with two screen shots, as it's the easiest way to do so: Expected output (mpc works well): Broken encoding (ncmpc):

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• The cache is getting at full level so fast

  - by CompilingCyborg

  Please, the memory and the cache are getting to the full level quite quickly under my linux mint 9 - isadora system. I used Ubuntu and Debian before, and it was not causing this issue at all. At the current time i typing the following command frequently to empty the cache "echo 3 /proc/sys/vm/drop_caches". Please any way around this? or do you know what's going wrong? | I am only programming on this machine; no graphics, no games nothing. Thanks in advance for your help!

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• USB flash module giving errors

  - by vshenoy

  Hi, I have a SATA USB flash module which was earlier running a 2.4 linux kernel (2.4.36.6) and on which now I am trying to install ubuntu server 10.04.1 LTS. I have two such USB flash modules and on one of them the installation process itself giving these errors: sd 4:0:0:0 [sda] Device not ready sd 4:0:0:0 [sda] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE sd 4:0:0:0 [sda] Sense Key : Not Ready [current] sd 4:0:0:0 [sda] Add. Sense: Medium not present sd 4:0:0:0 [sda] CDB: Write(10): 2a 00 00 05 48 02 00 00 04 00 end_request: I/O error, dev sda, sector 46114 usb 1-1: reset high speed USB device using ehci_hcd and address 2 Buffer I/O error on device sda1, logical block 172033 lost page write due to I/O error on sda1 Buffer I/O error on device sda1, logical block 172034 lost page write due to I/O error on sda1 on the other the installation is successful, but after a day or two of running the machine hangs because of kernel spewing these messages: Remounting filesystem read-only EXT2-fs error (device sda1): read_block_bitmap: Cannot read block [bitmap - block_group = 105, block_bitmap = 860161] EXT2-fs error (device sda1): ext2_get_inode: unable to read inode block - inode=13083, block=24683 ext2_free_inode: bit already cleared for inode 83966 and the machine needs to be hard rebooted. On both the systems SCSI emulation with usb_storage driver is being used to detect the module. Here is the output of /proc/scsi/scsi on 2.4: # cat /proc/scsi/scsi Attached devices: Host: scsi0 Channel: 00 Id: 00 Lun: 00 Vendor: TS Model: UFM Rev: 1100 Type: Direct-Access ANSI SCSI revision: 02 and on 2.6: # cat /proc/scsi/scsi Attached devices: Host: scsi6 Channel: 00 Id: 00 Lun: 00 Vendor: TS Model: UFM Rev: 1100 Type: Direct-Access ANSI SCSI revision: 00 i.e. only 'ANSI SCSI revision:' is shown as different, although I am not sure if this can cause any problem. Really appreciate if someone can point as to how to debug this issue or any mailing list where I can further ask questions about this.

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• Copy large files to multiple machines on a LAN

  - by Jonathan Callen

  I have a few large files that I need to copy from one Linux machine to about 20 other Linux machines, all on the same LAN as quickly as is feasible. What tools/methods would be best for copying these files, noting that this is not going to be a one-time copy. These machines will never be connected to the Internet, and security is not an issue. Update: The reason for my asking this is because (as I understand it) we are currently using scp in serial to copy the files to each of the machines and I have been informed that this is "too slow" and a faster alternative is being sought. According to what I have been told, attempting to parallelize the scp calls simply slows it down further due to hard drive seeks.

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• Second Monitor Detected, but not receiving a signal after upgrading to 12.04

  - by user62458

  After I upgraded to 12.04, my second monitor is detected (in display settings), but will not power on. I have scoured the Internet and forums for a solution and I can't find anything. I have found a couple people with the same problem, but never a solution for it. I am no expert, but I'm certainly not a noob. My computer uses AMD Radeon 6250 graphics, but I do NOT want to use the proprietary graphics drivers. They refuse to work properly with my second monitor (they ATI drivers will only mirror screens, and I've done everything to try to fix it, and I DON't want mirrored screens) Not to mention that the default open-source video drivers seem to work much better than the proprietary anyway! Again, Ubuntu's default video drivers work fine, and they even DETECT the second monitor (Dell 19'). I can drag stuff off the screen and put it on the 'space' of the second monitor and even a screen-shot shows that there are two monitors active; but the monitor is OFF. It will not power on. It goes into 'power-save' mode because it is not receiving a signal. For some reason it is not getting the signal to power on, even though Ubuntu thinks the monitor is working properly. I had this working fine on my Sony VAIO yesterday (with Radeon graphics/default Ubuntu video drivers). I upgraded to a Samsung Series 3 and now I have this issue. I can't for the life of me figure out why the monitor is connected, detected and I have screen space for the monitor, but the screen won't turn on! XRANDR Output: Screen 0: minimum 320 x 200, current 1366 x 768, maximum 8192 x 8192 VGA-0 connected (normal left inverted right x axis y axis) 1440x900 59.9 + 75.0 1280x1024 75.0 60.0 1152x864 75.0 1024x768 75.1 70.1 60.0 832x624 74.6 800x600 72.2 75.0 60.3 56.2 640x480 72.8 75.0 66.7 60.0 720x400 70.1 LVDS connected 1366x768+0+0 (normal left inverted right x axis y axis) 344mm x 194mm 1366x768 60.1*+ 1280x720 59.9 1152x768 59.8 1024x768 59.9 800x600 59.9 848x480 59.7 720x480 59.7 640x480 59.4 HDMI-0 disconnected (normal left inverted right x axis y axis)

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• Yelp, Google's API for restaurants help

  - by chris

  Ok I have looked into this, and I'm not sure if anyone else has experience with it. I'm having termendous difficulties with Yelp and Google's API. To help explain what I am trying to do here is the concept of the website. We would have to pull restaurants based on user distance, and then randomize them based on quality of restaurant based on feedback from review websites (Yelp, Google, urbanspoon, zagat, opentable, kudzu, yahoo - doesn't have to be from all), and feedback from our users (on results page for the random restaurant users can select good recommendation/bad recommendation). There’s a lot we could calculate for our formula. Things that will dictate your results will be based on if you’re at home or work. If you’re at home you will have more time to drive out to the city to grab some dinner or lunch. If you’re at work we would have to recommend restaurants nearby as lunch is typically 30 minutes to a hour. A 30 minute lunch would require take out most likely or quick service. A hour lunch break you could dine in at a local fine dining restaurant. So in a nutshell, user comes to website. Select if they're at home or work, click submit and we will have a random restaurant selected for them to go. If they don't like it they can click retry and a new restaurant can show. The issue I am having is using the API to gather all the restaurants in the US. I know it can be done because there are similiar websites/apps that pull restaurants that are closest to you such as Ness, Alfred, and I believe there's two more but I can't remember the names. Anyone know if this can be accomplish?

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• Best way to troubleshoot apache not starting?

  - by lowgain

  We have recently gotten a backup server to mirror all our data onto in case the primary server goes down. I've gotten all the sites data updated through rsync, and all the apache config and databases updated. Both machines are on Ubuntu 9 (9.04 on the primary, 9.10 on the backup). So everything seems synced up for the most part at this point (still need to figure out user syncing), and I try to start Apache. I get * Starting web server apache2 [fail] Nothing else indicating what the problem could be. I know I don't have enough info to expect a solution from you guys, so I'd just like to know where I can go from here to further investigate this issue. Would there be any error logs for this? Thanks!

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• Ubuntu 14.04 says insufficient memory in my /boot memory alocation while updating

  - by Aravind Dollar

  I am new to Linux platform. I just tried installing Ubuntu alongside windows but allocated only 200 mb to the /boot partition which is not recommended. Now Ubuntu software update keep on insists me no enough space. What should I do? Is there any way to increase my /boot partition without removing the total OS? Or should I completely uninstall Ubuntu and put it back? Please anyone suggest me over this issue. I have no idea what to do. And please be elaborate, as I am new to Linux environment.

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• Root certificate authority works windows/linux but not mac osx - (malformed)

  - by AKwhat

  I have created a self-signed root certificate authority which if I install onto windows, linux, or even using the certificate store in firefox (windows/linux/macosx) will work perfectly with my terminating proxy. I have installed it into the system keychain and I have set the certificate to always trust. Within the chrome browser details it says "The certificate that Chrome received during this connection attempt is not formatted correctly, so Chrome cannot use it to protect your information. Error type: Malformed certificate" I used this code to create the certificate: openssl genrsa -des3 -passout pass:***** -out private/server.key 4096 openssl req -batch -passin pass:***** -new -x509 -nodes -sha1 -days 3600 -key private/server.key -out server.crt -config ../openssl.cnf If the issue is NOT that it is malformed (because it works everywhere else) then what else could it be? Am I installing it incorrectly? Update I tried changing the certificate attributes, but to no avail: openssl genrsa -des -passout pass:***** -out private/server.key 2048 openssl req -batch -passin pass:***** -new -x509 -nodes -sha256 -days 3600 -key private/server.key -out server.crt -config ../openssl.cnf

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• Installed IE8 & SP3 on XP now I can't HTTPS from any browser.

  - by Kevin

  The computer is Windows XP Professional SP3 with IE8. On the Tools Options Connections the "Settings" is GRAYED OUT (I am an admin on the machine) Any browsing of https:// addresses results in IE displaying the following: "this program cannot display the web page" After installing an alternate browser and trying the same https:// address I get a similar error message. I have tried using Compatibility View Settings to for all web pages and this has no effect on the problem. HTTP addresses work fine, I can PING sites such as google.com without issue. Question: What could be preventing me from getting at the settings to check to see if I'm using a proxy? What else could be preventing HTTPS access?

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• cheapstuff.com malware

  - by John Peet

  I left my computer off for a couple of weeks and since my Windows 7 updates have been installed I have managed to gather a malware virus. It tries to redirect me on almost all websites I go to. I have read many ways to solving this issue manually, but it seems difficult and I dont want to delete any important files by mistake. All the instructions I have read seem complicated and generic all leading to a company that say they can help remove it. Is it their scam?? Can anybody help by giving me any free software or a descriptive run through for beginners of how to manually remove it? cheers guys

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• No Sound from headphone jack

  - by Tural Teyyuboglu

  I have DELL Inspiron N5110 laptop. Using windows 8. Recently I got an issue: The problem is, when I insert headphones and microphone into laptop, I get only microphone inserted notification. Laptop detects microphone But no headphones. In fact, It mutes sound from it's speakers. But no sound from headphones too: I tested headphones separately: they're working well. I also, reinstalled windows default sound drivers and IDT High Definition Audio drivers several times. No success! The final decision is: There is no sound from headphone jack in laptop. Any suggestions?

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