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• Buying replacement Macbook Pro Battery - Genuine vs. eBay

  - by Nicolas Webb

  I'm looking to replace my Macbook Pro's battery (15", last model before the Unibody). It's currently at 55% capacity (as reported in System Information and Battery Health Monitor). I've reset the SMC firmware, calibrated the battery, and it's just not lasting that long anymore. I've seen some genuine replacements that are "pulls" (pulled from used computers) that are rated at least 90% capacity (iFixit, MacSales). I've also seen a variety of batteries on eBay that look more like clones than genuine batteries, but are new. A new battery from Apple is $129, and when I brought my laptop in they ran the Battery test and said if I bought the battery right then they'd give me a discount (around $100). Anyone out there used one of these "OEM Compatible" batteries? Fit/finish good? (I don't want a funky color or a corner that sticks out.) Or, should I just suck it up and get the genuine replacement (for about twice the price)?

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• What could be causing my Ghostscript to fail

  - by simplr

  When I run ps2pdf I get the following error messages: norman@host:~$ ps2pdf test.ps test.pdf While reading gs_dbt_e.ps: ERROR: /syntaxerror in -file- Operand stack: (gs_cidfm.ps) 1 --nostringval-- Execution stack: %interp_exit --nostringval-- --nostringval-- --nostringval-- %array_continue --nostringval-- --nostringval-- false 1 %stopped_push --nostringval-- --nostringval-- --nostringval-- Dictionary stack: --dict:928/1123(G)-- --dict:0/20(G)-- --dict:74/200(L)-- --dict:928/1123(G)-- --dict:8/8(G)-- --dict:1/1(G)-- Current allocation mode is global Current file position is 4623 norman@host:~$ I have tried re-installing gs and gs-esp without affect. Files test.ps, gs_dbt_e.ps and gs_cidfm.ps all checked against a working system as being good. Regardless of what postscript file I try to convert, the "Current file position is 4623" remains exactly the same. The host is running Ubuntu 7.04. Any suggestions as to what I should re-install will be much appreciated.

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• Wireless networking on Gnome on Ubuntu 9 / 10

  - by WaveyDavey

  So here's my problem: I have some netbooks (ASUS eee, and ACER Aspire Ones) that I've been tasked to set up as kiosk machines, locked up tight for normal users. I am a command-line, server man, so this gnome malarkey is all a bit new to me. I found a lovely 9.04 kiosk livecd that installs and runs exactly as I want it to, but I can't get the wireless working. So I dropped on a full 10.4 distro, and wireless works straight out of the box (so hardware is good) - all I needed to do was right-click on the network connection icon, enter my SSID and password (WPA/WPA2) and away it went, perfect. Further investigation on 10.4 distro shows that /etc/networking/interfaces is virtually empty (just auto lo iface lo inet loopback in it), even after I have set up the wireless thru the gnome taskbar applet (is that the right word?). So where does gnome / ubuntu store the network settings to bring the blasted wireless connection up, and what do I need to do on the kiosk version to get wireless running?

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• Windows7 and Virtual PC guest copy/paste intermittent delay

  - by James

  I've been using Virtual PC for some time now and have not had any issues with copy and paste until I upgraded my host to Windows7 64-bit. After the upgrade sometimes when I copy and paste some text there is like a 15-20 second delay before it completes, this is very frustrating when I'm trying to get my work done. The problem seems to be intermittent in nature, it seems to occur when I have not done a copy paste for a while. After the delay occurs copy and paste seem to work at normal speed until I don't copy and paste for a good length of time. My question is, is there any solutions or patches that can fix this copy/paste issue for virtual PC running in a 64-bit windows7 host?

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• SD cards and CPRM protection

  - by Francesco Turco

  Before buying an SD memory card, I'd like to know something more about the CPRM protection, in particular: Does CPRM influence the way I am supposed to access my own data? That is, does CPRM encrypt it? Could CPRM prevent me from accessing my own data? Is it possible to disable or eliminate CPRM from either the memory card or the card reader? Are there manufacturers selling CPRM-free SD memory cards? Is there any real alternative to CPRM-protected SD memory cards beside USB flash drives? Is Linux support for SD cards good? Thanks.

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• Migrating users and mailboxes from postfix / Maildir to Postfix with Mysql backend

  - by Chrispy

  So I've got 60 or so users on a hand rolled postfix installation on openbsd and I'd like to move their mailboxes to our new mail server running iRedMail (postfix, vmail/mysql back end) Does anyone know of a good way to do this? Preferably a script I can run to keep syncing the users mailboxes as MX records get updated? I presume one way (though I don't have all their passwords!) would be to have a command line imap client that simulated the users copying their mail themselves but I'm sure there must be a shell / php script to migrate users? Anyone got any bright ideas? Chris.

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• Kernel NTFS driver vs NTFS-3G

  - by Jack

  A more comprehensive phrased question since I lost access to the other one. I would ask that the other one be deleted, not this one, as it should not have been migrated in the first place. There are currently two NTFS drivers available for Linux. The NTFS driver included in the kernel, and the userspace NTFS-3G driver that makes use of FUSE. By all accounts, NTFS-3G works perfectly. My question then, is if the NTFS filesystem has been successfully reverse engineered, why have the kernel NTFS team not implemented the changes in their driver? At the moment it is still marked as experimental, and there is a good chance it will destroy your data. Note: This has absolutely nothing to do with distributions...

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• Text Expander broken upon Snow Leopard Upgrade

  - by bLee

  I've been using Text Expander for years. However, I found out today it doesn't work on my newly upgraded (to Snow Leopard) Macbook Pro anymore. I know that there are a lot of applications that are not compatible with Snow Leopard, and developers around the world are working on them to work again on our beautiful macs. My questions are: 1. Is TextExpander supposed to NOT work on Snow Leopard? 2. What is a good substitution to replace TextExpander? or any updates from TextExpander developers?

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• Bulk convert PNG-24 to PNG-8 files with best quality

  - by Gavin

  Hi, Can anybody recommend a good method of bulk converting a large amount of PNG-24 files to PNG-8 with as little loss of quality as possible and maintaining transparency? I've tried ImageMagick but the resulting images weren't quite as crisp quality as I'd like. Using Paint.NET I was able to achieve far better results, but I can't bulk process with this tool as far as I know. The settings I used with ImageMagick in case there's better options to use: convert file.png -depth 4 file-output.png I've also been playing with OptiPNG, but I haven't discovered a was of making sure the output images are PNG-8. Cheers, Gavin

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• PHP IDE for Ubuntu Netbook Remix 9.10

  - by Alix Axel

  I've installed Ubuntu Netbook Remix on my netbook and I'm wondering what would be a good IDE to use for mainly PHP development. I've used Komodo Edit in past Linux distributions but it doesn't seem to play well with Ubuntu Network Remix (it doesn't shows up in the remix "desktop", and I don't feel like opening the terminal and typing komodo every time I need to code). I'm considering Eclipse with a PHP plugin, but I've two big problems with Eclipse: I don't like the way it forces me to create a new project when I just want to edit a file. I'm not sure which PHP plugin I should install: Eclipse PDT, PHP Eclipse or Aptana - I don't really understand the differences between Eclipse PDT and PHP Eclipse. Which IDE would you recommend (doesn't need to be Eclipse)? Thanks in advance!

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• ServerFault Wiki: How does Subnetting Work?

  - by Kyle Brandt

  How does Subnetting Work, and How do you do it by hand or in your head? Can someone explain both conceptually and with several examples? Serverfault gets lots of subnetting homework questions, so we could use an answer to point them to on serverfault itself. If I have a network, how do I figure out how to split it up? If I am given a netmask, how do I know what the network Range is for it? Sometimes there is a slash followed by a number, what is that number? Sometimes there is a subnet mask, but also a wildcard mask, they seem like the same thing but they are different? Someone mentioned something about knowing binary for this? Not looking for links to other sites (unless maybe you have one post with a bunch of good ones). I already know how to subnet, I just thought it would be nice if serverfault had a generic subnetting answer.

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• SSH Client - What are some alternatives to Putty that use tabs?

  - by John2496

  I've been using Putty for years now and it seems kind of dated. What are some good alternatives to Putty that use tabs to manage console sessions (managing individual putty windows is a messy pita). Edit: I've found the holy grail of SSH clients on SO, the PuTTY Connection Manager. Its the same old client with a new face :). It uses the putty executable you already have downloaded, so all of the session data is saved! http://www.windowstipspage.com/download-putty-and-connection-manager/ Original Thread: http://stackoverflow.com/questions/721552/tabbed-ssh-tool-for-windows

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• Firewall behind firewall

  - by Makach

  I've recently changed jobs and I've been set up with a new workstation. On all previous places where I've been working they've had some sort of local firewall installed on each and every workstation - but here I've been told not to activate it because it is not necessary since we're already behind a HW Firewall. To me this seem a bit naïve, but I cannot emphasise it. I always thought a local firewall was good practice, ie. if something managed to come through the hw firewall there might be a slight chance other computers on the lan would block the internal threath. We got free access to internet and we got a virus checker installed.

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• Windows - Use Local Service and/or Network Service account for a windows service

  - by user19185

  I've created a window's service that monitors files on a specific directory on our Windows OS. When a file is detected, the service does some file I/O, reads the files, creates sub-directories, etc. This service also uses database connectivity to connect to another server. My plan is to have the service run as the default "Local Service" account. Since I need to allow write/read privileges, which apparently the "Local Service" account does not do by default, I'm going to explicitly set "Full Control" privileges for the "Local Service" account on the folder that I'm reading/writing to and from. I believe the above is a good . My question is, for the folder that I'm reading and writing to, do I need to setup a "Network Service" role with full control access? I'm wondering since my service uses database connectivity to another server, if I'll need the "Network Service" account setup. I may be misunderstanding what the "Network Service" account does.

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• How much effort is SQL Server 2008 Administration?

  - by Adrian Grigore

  Hi, I am looking for a suitable hosting environment for an ASP.NET MVC application. One of the options I have is renting a Hyper-V server and installing my license of SQL Server 2008 on it. I'm a bit wary of shared hosting since the one I have tried so far did not seem to have very consistent performance. One potential problem is that I would have I do not not know much about SQL Server administration, so I am not sure if this is a good option. I've been running a failover cluster of two linux dedicated servers for over 5 years now and MySQL never gave me any trouble. But that was Linux, and it might be different with a windows system. Is running a halfway efficient MS SQL Server 2008 difficult? Does it require any in-depth administration knowledge? Or perhaps recurring administration effort (such as keeping the server up to date with the latest patches)? Or is it rather an "install and forget" experience similar to MySQL?

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• Disk I/O error copying a Exchange 2007 database

  - by Scottio

  Hi all, A short time ago due to disk space I moved our Exchange database onto an external drive, the drive was new and the database was being backed up daily. I've now discovered the database is corrupt, I've run the Exchange utils to fix the database and this works but it corrupts again as soon as I try to move it. I need to get it off the disk, any suggestions? I'm also trying to restore the last good database but I'd like try to get the database off this disk, any suggestions? PS I know putting the db on an external disk was a bad move, I had no where else to put it :-( Thanks

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• Mac OS X Server 10.6 - Apple's software mirrored RAID worth it?

  - by Arko

  Hi, I am installing an Intel Xserve (Quad core Xeon) with Snow Leopard Server (10.6) on two 80Gb 7200rpm SATA HDs. I created a mirrored RAID set using Disk Utility with those two drives, all went fine. I was then asking myself if this is really a good idea. I know that an hardware RAID system would be better, but what about this software RAID? Have you any feedback on this? Will it work fine if one HD breaks down? Does this affect performance? [UPDATE] In short: Hardware RAID is better than software RAID which is better than none. Thank you all for the answers, they were very helpful. Especially Gordon's script to monitor failures. As Apple's software RAID is pretty silent about a drive failure.

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• Installing OpenSSL that supports SNI along with previous version of OpenSSL

  - by gh0sT

  So I learned that to host multiple HTTPS websites on the same IP address you need an OpenSSL version that supports SNI (0.9.8f and higher). My RHEL5 box currently has 0.9.8e and Apache version httpd-2.2.26-2.el5. According to a same question here it's not a good idea to replace the original version of OpenSSL and instead to have a parallel installation. It however doesn't explicitly mention how to achieve this. So my questions are: How do I have an alternate installation of OpenSSL without breaking the system? How do I make Apache to use this version of OpenSSL and not the original one? A detailed guide would be extremely helpful.

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• HDMI-HDMI cable length

  - by alex

  I'd like to connect my PC to an HDTV using an HDMI-HDMI cable. The distance between them is about 8 m; is the length going to be an issue? I'm worried the signal might deteriorate over such a distance. Also, does price have any major impact on the signal quality? I'd like to buy an 8-10 m cable for somewhere around 20$. Would such a cheap cable be good for what I want?

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• Windows XP SP3 - Upgrade - No longer part of workgroup

  - by dbasnett

  When I woke up this morning I decided to have a really lousy day. For a long time I have been telling auto updater to remind me later about installing SP3. But not this morning... It looked good, until I tried to access my NAS. Can't connect, can't see it, nothing. The other computers can see it, so it is my PC. Oh, and they can no longer see me. It turns out the only thing I can see is the printer. So if you know what wonderful thing Microsoft decided to change during the upgrade (oxymoron in my opinion), I would be grateful. Short of turning on all of the services I have tried so many things, and rebooted so often, that I am just sick of it.

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• CheckPoint Endpoint Security VPN client co-existing with Windows VPN

  - by Nils

  Hey guys, I work as a consultant for a firm with a Checkpoint firewall. I have downloaded and installed the Checkpoint Endpoint Security VPN client. During the installation, I answered no to any questions pertaining firewall etc. - I just wanted the VPN client itself. However, after the installation, I am no longer able to use any of my pre-existing Windows VPN client connections. It does not matter whether the Checkpoint UI is running or not - shutting down the client does not fix the problem. Uninstalling Checkpoint VPN on the other hand fixes the problem. Does anyone know if it is possible to have both VPN clients work while being installed simultaneously? I don't need them to stay connected simultaneously, just avoiding to install/uninstall the Checkpoint client every time I have to use it is perfectly good. Thanks!

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• Install Applications on OpenSUSE 11.2 w/ GNOME desktop

  - by dboarman

  Being new to OpenSUSE (v.11.2) and the GNOME desktop, I am somewhat at a loss. The differences between installing applications on Windows (formerly XP & Windows for the last 15+ years) seem to be just different enough that I am having some difficulty. For instance, how do I determine what install package I would download? Then, how do I actually install a tar.gz file or rpm, or whatever? I tried updating the Flash driver for my FoxTabs addon in FireFox but got an error that the /tmp/ directory wasn't to be used to run media, or something to that affect. So, I thought I would try to figure out first how to determine what file package to download, then how to install. I'm not sure that I need an OpenSUSE for Dummies type of link, but something that explicitly details differences in everyday operations and corresponding equivalents between Windows and OpenSUSE/GNOME. I'm also looking for a good IRC chat client.

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• xcopy and timeouts

  - by acidzombie24

  Related to this question and this answer http://serverfault.com/questions/48839/backup-on-disc-using-truecrypt-corruption-problem/50829#50829 I want to copy the backup to my HD. However the timeout seems to be a problem. I see many single files then i see File creation error - Data error (cyclic redundancy check). and its currently trying to copy the next file. When i click my computer i see nothing and it also locks up for some seconds (30 maybe) So TrueCrypt is not a good solution if i must be able to copy files back from a volume with a corrupted sector? (answer in other thread please). Is there any way for me to change the timeout? I look here for some flags and didnt see any http://www.scriptlogic.com/support/CustomScripts/XCOPYCommandLineParameters.html

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• Apache Redirect to Jboss SSL

  - by Rick

  I'm trying to have an SSL Connection to an Apache server on port 443 which I want to use to proxy connections to a JBoss server on a different port. The SSL certificates sit on the Jboss server not on the Apache server. Is it possible to redirect HTTPS traffic from Apache to the Jboss Server and have the JBoss server do the SSL handshake? The Apache server must be able to redirect HTTPS traffic for two different URLS. One for a secure site. The other for access to web services. By the way I'm using it mutual authentication, if that makes any difference. What does the Apache config file need to contain? or are there any good example of this out there? Thanks

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• Bridging with aliased Ethernet card for Virtualizing with single Ethernet card

  - by user113505

  We are having a server with good CPU and RAM,so we are planning to do XEN virtualization on ubuntu 12.04 server to handle high traffic. The plan is to keep the host machine only to manage VMs(no NAT ing). A New public IP will be assigned to that VM,For that i think we need a Bridge to external network(Since my Machine has only single ethernet card aliased with 4 different Pub IP's) Is it possible to create a bridge using aliased IP single ethernet card aliased to 4 pub IPs Do we need an additional Ethernet card to do Bridging.Only have ssh access to the machine. Any suggestions will be appreciated.

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