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• Excel VLOOKUP using results from a formula as the lookup value [on hold]

  - by Rick Deemer

  I have a cell that I must remove the first 2 characters "RO" for each value in a column on a sheet called RAW DATA and put into a cell on a sheet called ROSS DATA. Some of the values in that cell have 3 digits after the "RO", and some have 5 digits. To do that I used =REPLACE('RAW DATA'!A3,1,2,"") Then I need to use this new resultant string as the lookup value in a VLOOKUP. The VLOOKUP will be looking at a named range called DAP on a sheet called DAP, in column 5 for an exact match, and I need it to return that value to the cell. I have tried using INDIRECT in different ways to no avail, and I'm not sure that I fully understand its usage. So at this point I am Googling for a method to do this and at a standstill.

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• Distinguished name of Configuration in AD is tampered?

  - by Natan Abolafya

  A user of our product came out with a problem which was caused by the DN of Configuration object in AD. We had a rather static lookup method to find Configuration object, thus it failed. Let's say the domain name of AD is foo.bar.example.com. Therefore, the expected DN of configuration should be CN=Configuration,DC=foo,DC=bar,DC=example,DC=com, right? But somehow, this user's DN of configuration has one value missing: CN=Configuration,DC=bar,DC=example,DC=com. Do you know how can we reproduce this issue (or is it commonly implemented?)?

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• Cleaning cruft from the stored configs database

  - by Zoredache

  I have setup stored configuration primarily as a method to manage my ssh known_hosts. Unfortunately as I retire hosts the old configs still exist in my database. The answer seems to be run the command puppet node clean <hostname>. The problem is that while this does command does run, and does clean up some data, it doesn't seem to clean up everything. For example I can still find values in the puppet_tags table that only applied to a hosts that no longer exists. What should I be doing to keep my stored configuration database clean of all extra junk that seems to be building up? P.S. Can anyone point me any documentation for the stored configuration schema?  If I could find good documentation, or at least an entity-relationship-diagram, I would be tempted to just do some manual clean-up.

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• What is and what is not replicated in a glassfish cluster with a mod_jk load balancer?

  - by Navigateur

  I have a Glassfish (3.1.2) cluster over 2 computers as nodes, with a mod_jk load balancer. Are servlet instance variables replicated perfectly? If not, how do I make sure it is? Are all actions, including method calls and disk writes, replicated perfectly? If not, how do I make sure they are? These may seem like stupid questions, but I'm not seeking "load balancing" as much as I am seeking exact replication to enable future upgrading without any service interruption. How do I achieve this if it is not already the case?

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• Move already (i.e. not new) completed files in rtorrent

  - by Skippy le Grand Gourou

  I've been using rtorrent for a while with a single directory. Now I figured out it was possible to use different directories and even to move completed downloads elsewhere, so according to the rtorrent wiki I edited my .rtorrent.rc as follow : # Download directory directory = /Medias/torrents/ # Watching directories schedule = watch_directory_1,5,60,"load_start=/path/to/dl/dir1/*.torrent,d.set_custom1=/path/to/done/dir1" schedule = watch_directory_2,5,60,"load_start=/path/to/dl/dir2/*.torrent,d.set_custom1=/path/to/done/dir2" # On completion, move the torrent to the directory from custom1. system.method.set_key = event.download.finished,move_complete,"d.set_directory=$d.get_custom1= ;execute=mv,-u,$d.get_base_path=,$d.get_custom1=" It seems to work for new torrents. However I have a bunch of completed files I have already downloaded before to split directories, and for them it does not work : if I delete their file in the session directory, rtorrent will check the hash but won't move them, and if I move them by myself rtorrent won't see them and will try to redownload them. So how can I tell rtorrent either to move them or that they are in another directory ? Thanks.

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• Boot from Recovery partition in Sony Vaio Laptop with no imagex

  - by user302787

  I have visited more and more pages in internet and read lots of solutions but no one solved my problem. I have my 10 GB win7 recovery partition in my Hard Disk but when I press the F10 button it was not booted from this partition (I use this method to recover my laptop several times recently). So How can I boot from my recovery partition? I copied the partition into a flash drive and tried to boot from usb but it does not take effect. I think if there is a way to recover the F10 button functionality, I can recover my laptop.

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• 2 servers, high availability and faster response

  - by user17886

  I recently bought a second webserver because I worry about hardware failure of my old server. Now that I have that second server I wish to do a little more then just have one server standby and replicate all day. As long as it's there I might as well get some advantage our of it ! I have a website powered by ubuntu 12.04, nginx, php-fpm, apc, mysql (5.5) and couchdb. Im currently testing configurations where i can achieve failover AND make good use of the extra harware for faster responses / distributed load. The setup I am testing nowinvolves heartbeat for ip failover and two identical servers. Of the two servers only one has a public ip adress. If one server crashes the other server takes over the public ip adress. On an incoming request nginx forwards the request tot php-fpm to either server a of server b (50/50 if both servers are alive). Once the request has been send to php-fpm both servers look at localhost for the mysql server. I use master-master mysql replication for this. The file system is synced with lsyncd. This works pretty well but Im reading it's discouraged by the (mysql) community. Another option I could think of is to use one server as a mysql master and one server as a web/php server. The servers would still sync their filesystem, would still run the same duplicate software (nginx,mysql) but master slave mysql replication could be used. As long as bother servers are alive I could just prefer nginx to listen to ip a and mysql to ip b. If one server is down, the other server could take over the task of the other server, simply by ip switching. But im completely new at this so I would greatly value your expert advice. Is either of the two setups any good ? If you have any thoughts on this please let me know ! PS, virtualisation, hosting on different locations or active/passive setups are not solutions im looking for. I find virtual server either too slow or too expensive. I already have a passive failover on another location. But in case of a crash I found the site was still unreachable for too long due to dns caching.

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• Everything You Ever Wanted to Know about Mod_Rewrite Rules but Were Afraid to Ask?

  - by Kyle Brandt

  How can I become an expert at writing mod_rewrite rules? What is the fundamental format and structure of mod_rewrite rules? What form/flavor of regular expressions do I need to have a solid grasp of? What are the most common mistakes/pitfalls when writing rewrite rules? What is a good method for testing and verifying mod_rewrite rules? Are there SEO or performance implications of mod_rewrite rules I should be aware of? Are there common situations where mod_rewrite might seem like the right tool for the job but isn't? What are some common examples?

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• Monitor disk I/O for specific drive in OS X

  - by raffi

  In my Macbook Pro, I have two internal drives and I've connected a third drive via USB in enclosure. I am currently doing a secure wipe of the external drive and I was interested in seeing what the disk I/O was for that particular drive, but when I use Activity Monitor I only see the total disk usage for all drives combined. Is there any way to monitor a specific drive's total I/O, preferably via a built-in or free method? I don't want to filter by process ID. I just want to filter by mounted disk.

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• Configure (Apple) Mail to delete email from IMAP server after specified time

  - by ttarchala

  I am using a corporate mail account which is synchronized via IMAP to both my desktop client and my iPhone, which is exactly the way I like it. However, the account has a limited quota. With POP3 access, this was not a problem, as POP3 clients could be configured to remove messages from server after specified time. This option is missing from my Apple Mail IMAP account configuration pane. Is there a way to replicate this feature with an IMAP account, either on the client, or on the server side? If not, I will probably have to move old messages manually to some local folder on my Mac. Is there a method to retain a single-click searchability of both archived and current mail folders together?

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• SFTP (or similar) server automated setup for group spaces

  - by spikeheap

  I need to build a dedicated machine which will be used to allow our clients to upload and download files in a secure manner. Each client has multiple users, and I would rather not hand out generic client users which are used by multiple people. Each client should have access to their files only, and no others. There is no use-case (yet) for multiple clients interacting with a single file or space. Is there an existing solution to automating the creation and maintenance of these accounts, preferably with a view to integration with LDAP? Currently it looks like if we want to use SFTP with chrooted spaces they will need to be set up manually (or an automation hand-rolled). If a solution exists for a different (but still secure) transfer method, such as FTPS, I'm all ears.

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• Windows Update and IE fail to connect, but Chrome fine?

  - by I Gottlieb

  Out of ideas on this one. (Running Windows Vista.) I have a program that accesses the internet to retrieve financial market data. One day it tells me that it can't log in -- timeout error. I check the documentation and it says must have a working copy of IE browser installed. I check IE (have IE9) and sure enough -- it just spins. No error message, not timeout, no 'try later' -- just spins -- as far as I can tell, indefinitely. Any page, any address. Even access to a localhost site just spins. Chrome works fine. So does another program I have that fetches market data. Windows 'diagnose and repair' says my internet connection is working fine. I tried uninstall/re-install of IE. Same spinning. I tried to install Windows Updates, and guess what? I can't. I comes up with error 80072efd; checked documentation for the error and it says I should check firewall blockage. Thing is, the only firewall I have is Windows Firewall, and obviously it wouldn't be blocking Windows Update. In contrast, Windows 'Help' in all programs has no problem accessing the Internet. I had a filter on the internet connection, and this was updated just prior to first appearance of the problem. But I uninstalled the filter entirely (official, with passwd from the company's service rep) -- and no difference. I'm guessing that a high level Windows network service file is corrupted -- used only by MS programs and their ilk, but how do I find it? I'd like to avoid having to do a clean install of Windows. Much obliged for any insight. IG Ramhound -- Thanks for reply. I'm familiar with virtual machines as in e.g. JVM or an emulator for an alternative architecture or (theoretical) Turing Machine equivalence. But I'm not familiar with the way you're using the term. Please clarify -- what one needs for this VM 'test' and why you expect it will provide an advantage of insight into the problem. And what sort of 'configuration issue' are you referring to? IG

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• How to know which protocol is used in data transfer and inspect that data?

  - by user37880

  I've a .net application for windows. This application transfers a lot of data to and from a particular server on a fix port no 8888. I tried 'Tcpview' but couldn't figure out anything useful. I only figured that it uses 'tcp' connection. Is there a way to know which protocol is used for data transfer (I think port no 8888 is not specific port so not helpful)? How exactly my machine makes connection to this server? Is it telnet/http etc or what? How can I inspect the actual data which is being transferred? If data is encrypted, is it possible to know encryption method on client side (without reverse engineering)? Thanks.

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• Move 2TB Win7x64 to 640GB HDD

  - by reedacus25

  Basically I just got a new (refurbished) HP H8-1260t to use for Windows Media Center. The shipping drive is a 2TB Hitachi drive, but I have an older and barely used 640GB WD Caviar Blue 7200RPM drive I would like to move my Windows install to. I have about 750GB of data with over 1TB free left on the drive. Having googled my heart and fingers out, I would think that I can shrink my partition down to the size it is full at now with over 1TB free for a second partition where I can move my media files to further shrink my boot partition so that I can fit a system image smaller than 640GB on that WD drive. I want to have a separate drive for Media and TV Recordings from my boot disk. Does this sound like the easiest method for me? Or am I doing this all wrong. Help appreciated.

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• Would you embrace a new technology that worked better than a VPN?

  - by Jumpto

  Ok so VPNs have been around for ages. Business has been addicted to them as the only method of securing their home servers with their workstations in the field. Even with all their problems and shortcomings. So my question is this: How likely are you to embrace a new technology that promises to work better, secure better and have more features than a VPN? State your reasons for or against. Extra points if you point out what steps the new technology would have to take to knock VPN off its throne.

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• Apache 406 error with JPEGCam

  - by BenM

  We have recently migrated our website to a new server, and JPEGCam is now reporting a 406 (Not Acceptable) error when trying to upload the image from the SWF to the server. I know that it isn't supported any more by the developer, but I wondered if anyone has encountered this problem before. I suspected the issue was with the Mod_Security module in Apache (i.e. not whitelisting Shockwave Flash), but the server admins have also drawn a blank. The request is being sent as a POST method, and returns a 406 error, but according to the Apache logs, it is returning a 404 error. I wondered if anyone has encountered this problem before, or knows of a 'simple' fix. Everything was working on our Xampp flavour dev server, so I am 100% certain this is an Apache issue. Also, when trying to access the requested page directly in the web browser, everything gets served up without a problem...

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• What's the best practice for taking MySQL dump, encrypting it and then pushing to s3?

  - by HalogenCreative

  This current project requires that the DB be dumped, encrypted and pushed to s3. I'm wondering what might be some "best practices" for such a task. As of now I'm using a pretty straight ahead method but would like to have some better ideas where security is concerned. Here is the start of my script: mysqldump -u root --password="lepass" --all-databases --single-transaction > db.backup.sql tar -c db.backup.sql | openssl des3 -salt --passphrase foopass > db.backup.tarfile s3put backup/db.backup.tarfile db.backup.tarfile # Let's pull it down again and untar it for kicks s3get surgeryflow-backup/db/db.backup.tarfile db.backup.tarfile cat db.backup.tarfile | openssl des3 -d -salt --passphrase foopass |tar -xvj Obviously the problem is that this script everything an attacker would need to raise hell. Any thoughts, critiques and suggestions for this task will be appreciated.

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• My monitor constantly changes from DVI-D to HD15

  - by guest

  I noticed this lately, and it's becoming more often. Basically, when I start my PC, my monitor, which is connected with a DVI-D cable (I don't know what it's called), screen switches to the HD15, where HD15 isn't connected at all. Like, input is changed from DVI-D to HD15, therefore it just blacks out, and then goes back... it's not constant, but it's in random time intervals... I can't do anything on my computer because of this. I even tried connecting it with both DVI-D cable and HD15 cable to the processor, but it still sucks. Is there any way I could force my monitor to stay at only one input method? I'm on XP SP3, and this monitor is about 10 or less years old, a Sony model.

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• Acer Aspire 7750-6801 windows 7 Home Premium x64 not charging properly [closed]

  - by MaurerPower

  I have an Acer Aspire 7750-6801 laptop running Windows 7 Home Premium 64 bit OS. The issue is that it will only charge sometimes when plugged in. I thought it might be a hardware issue, so I tried charging with the laptop off, and it works fine. Also when in Linux, or any other environment other than Windows, it also charges fine. The intermittent charging issue ONLY presents itself when in Windows. I've tried the following: Open Device Manager Under 'Batteries->', I uninstalled 'Microsoft ACPI-Compliant Control Method Battery' Then re-installed using 'Scan for hardware changes' Still no luck. It's quite urgent, any help would be appreciated as I am totally at a loss...

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• How to know ".automaticDestinations-ms" files to which app relates?

  - by Timotei Dolean

  Hello! Does anyone know (Because on microsoft forums nobody answered me), how can I find what app has which automaticDestinations-ms file in %appdata%\microsoft\windows\recent\automaticdestinations ? That's the folder where Windows 7 stores its jump lists, and I want to know how to automatically/programmatic find the relation between each file and an application. At least, even manual I didn't found any pattern, just to look after file extensions in the files, because some programs open files with the same extension (like images), so this method it's not OK for all programs. Do you have any other idea? Maybe knowing the format of those files? Thanks.

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• repair window-xp - access denied for "document and settings" through command line

  - by Or A

  hi, i'm trying to repair my windows xp and it fails to reboot (bad sector or something). i'm using my dell recovery disk and then select the "Repair" option which takes me to the command line application when i can browse my files and folders (like with cmd.exe). however, when i'm trying to access the "Documents and settings" folder, it gives me access denied. is there any way to override it? is there any other way to access my documents and settings through other method? I'm just trying to recover some files and copy them to another drive on my computer and then reinstall my winxp. Thanks for the help

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• Upgrade PHP 5.1.6 to 5.2.x on Fedora 6 - Solutions?

  - by nicorellius

  I have a CRM on an old Fedora server, running Apache 2.2.6, MySQL 5.0.27, and PHP 5.1.6. I see a couple of options to fix my problem, but I thought I would consult the pros on this one here at Server Fault to see if I'm missing anything. This is after spending a good while searching the net for solutions. Option 1 Upgrade Fedora, step-wise, to Fedora 7 and then to 8, and then the PHP packages I need would be available. I know this is hazardous, because of repository location, dependencies, etc. Option 2 Upgrade using this method. This may or may not work, and so would be considered a crap shoot. I consulted some IT people and they say the best best is to back up data and build a new server with updated hard and software. I happen to agree, but wanted to exhaust all my resources first.

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• What server setup for a small web development company? [closed]

  - by Giordano

  I co-own a company with a friend of mine and we have decided to buy a new server to support our business (our current server is an Asus EEE Box, working great but too limited :) ). I should mention that we are web developers but occasionally we do small-office sys admin. Thus, 99% of time we work on GNU/Linux (mainly Ubuntu) but from time to time we need to setup a Windows environment to assist some customers (e.g. setup a temporary SQL Server 2008). Our requirements: Low budget: we don't want the cheapest solution out there but we can't afford to spend too much. Budget could be ~1000-1500€ (before VAT) Robustness: we would like to setup a RAID array and maybe have an external disk where we can store backups Virtualization: we need to be able to setup few servers for development. The scenario is something like this (~8 appliances running in parallel): Redmine + GIT server Bacula server FTP server 3-4 virtual appliances that could be set up on demand to test our applications or support a customer. The appliances could be: LAMP, Tomcat+PostgreSQL, SQL Server Support: if something breaks down it shouldn't be too difficult to find a replacement. Now, given the main requirements, there are some doubts we need to clarify: Do you suggest to buy a prepackaged solution (for example a customized Dell PowerEdge T110 or T310) or to assemble the server by ourselves (buy the separate components)? What RAID configuration do you suggest? I was thinking of RAID1 (probably cheaper) or RAID5. should we buy a hardware RAID controller or is it ok to use a software RAID (mdadm)? In case, which controller do you suggest? What processor do you suggest (Intel Xeon, i3, i5, i7, AMD)? How much RAM? (I was thinking at least 8GB, ~1GB per appliance) What virtualization software do you recommend? VMWare seems to be the best choice, but what about XEN or KVM? We don't want to buy licenses at the moment so we would like to consider only free options. What OS do you recommend? We know Ubuntu, Debian, Gentoo very well (we would like to use Ubuntu Server), however it seems a lot of people goes for CentOS. Thanks in advance if you can help us with this! It's our first "serious" server so many doubts popped up :) Please feel free to add further recommendations if you have some to share ;) Have a nice day

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• Can I move files from a laptop hard drive with a corrupt sector to a USB hard drive?

  - by Corey

  I have a hard drive that is on its way out and won't boot to Windows 7. The Windows partition takes up the whole disk. I thought I would try to recover some recent files that hadn't been backed up. Assuming the files are recoverable, how can I explore the drive that has the corrupt sector and transfer files to a USB hard drive? If it helps, the laptop is able to see the USB drive when choosing a boot order. Some searching lead me to WinPE 3.0, part of the Windows Automated Install Kit. Is that a method?

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• How to backup/restore IIS 5.1 or move to another machine?

  - by mickeyf

  We have a web based application that run on an Intranet. For various reasons, we are constrained to using Win XP and the version of IIS that ships with it, 5.1. http://support.microsoft.com/kb/325889 talks about backing up IIS, but the sentence: "This backup method does not work if you reinstall your operating system." makes me nervous. Our main reason for backing up is in the event of catastrophic failure, which would certainly mean reinstalling the operating system. I imagine there must be a fairly painless mechanism for backing up and restoring to a fresh machine (or moving to a different one), but I have not found it. Also this is instructions for manually backing up. An automated process would be even better. thanks!

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