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• Tweaking Firefox for Performance

  - by Simon Sheehan

  As an avid Firefox user since it began, I've been looking to make some under the hood changes to it, in order to optimize it for speed and performance. I'd also like to limit my RAM usage with it. Are there any settings that can help this? What can be changed in about:config that affects this? I'd also like to know if themes or anything really boost RAM usage, as they are generally very small files to download. Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:7.0a1) Gecko/20110630 Firefox/7.0a1

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• I reinstalled OS X and the system was the same as before

  - by slhck

  Strange thing happened. I want so sell my old Macbook and therefore used a disk image of the Snow Leopard DVD that I restored onto an external drive. I booted off the drive and went through the installation steps. Now I really would like to perform "archive and install", as there might be some files that I need later, but I didn't see the option. The only options for installation I had, were, including others, optional printer drivers and Rosetta. So I just clicked through and I wasn't given any other option. After about 45 minutes, my system booted again, and voila, there was my old system. Nothing changed. How should I proceed to actually reset the system? All I have is that Snow Leopard DVD image.

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• Windows XP IIS5 performance across Network

  - by davidsleeps

  Hi, Just wondering whether Windows XP with IIS5 running needs any extra configuration to be suitable as a web server...I'm not considering using this for anything other than a web server on a small network for testing development etc One of the reasons I'm concerned though is that we've deployed an asp.net application to a workstation with Windows XP, and running the application using a browser on the machine (so accessing it through localhost/myApp/page.aspx and not accessing it through the network) runs the application really quickly. If another machine on the LAN accesses the same page (using http://ComputerName/myApp/page.apx) then the whole application runs noticeably slower...yet the computers are connected on a gigabit switch...so I wouldn't have thought network latency or bandwidth could be an issue... Does Windows XP need anything etc enabled or changed or network settings for it to work correctly?

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• Packet loss with Broadcom wireless and Ubuntu

  - by stevemegson

  I have a machine with Ubuntu 9.04 and a Broadcom BCM4306 wireless card which has been running quite happily for many months with the b43legacy driver that's suggested by Hardware Drivers. Suddenly, I'm now seeing crippling packet loss, varying between 30% and 90% when pinging the router. My WinXP machine is still quite happy even when sat next to the Ubuntu box, so I assume that it's not some new source of interference. What else is likely to have changed? How should I go about diagnosing and fixing this?

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• Is is possible to change MAC address of a WiMAX USB adapter?

  - by Salman A

  Wondering if it is possible to change the MAC address of a WiMAX USB adapter (read WiMAX, not Wi-Fi) manufactured by Motorola, ZTE, Intel etc. I've tried a few tools that did changed the MAC address of the adapter to another valid MAC address (that I coped from another equipment made by same company) but then I was not able to connect to the network, the connection software took long time stating "obtaining IP address"; then few seconds after it got one said "lost IP address". Wondering if changing MAC address of such devices actually work.

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• ubuntu 9.10 screen flickering problem on Thinkpad R31 with Intel 83830 Graphics

  - by PA

  I am trying to revitalize an old Thinkpad R31 that has the Intel 82830 graphics and only 256 MB of RAM. I have tried a Xubuntu 9.10 Live CD. After booting the screen blinks so much that it is practically unreadable. I have searched for updated IBM Thinkpad drivers but I only found drivers for Windows on the Thinkpad support web site. EDIT: I have changed the title and the description. It is not a problem of the drivers. It seems to be a problem with the kernel. See my own answer below.

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• Dreamweaver Delete Space to Word, Not Word

  - by Don

  There's a built in DW keyboard shortcut (Ctrl + Del) that deletes up to AND INCLUDING the first word to the right. I used to use the ColdFusion Studio app for coding and it would just remove the space UP TO the word (left the word or bracket, or whatever alone.) Any DW users know if this is a setting that can be changed? I'm really used to the old behavior and keep deleting the first word, hitting Ctrl + Z to put it back and then having to manually delete all the spaces to leave the word... Hoping one of you geniuses can help! Thanks, D.

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• Debian Squeeze Upgrade Breaks Apache SSL

  - by PP

  I upgraded my Debian from Lenny to Squeeze. BIG MISTAKE. Now I get: [Tue Feb 08 16:34:57 2011] [error] Server should be SSL-aware but has no certificate configured [Hint: SSLCertificateFile] ((null):0) littered throughout /var/log/apache2/error.log. How to fix? Looking through a mess of forums it is easy to see that Apache changed the way it reads configurations around 2.2.13. Great. But not great for me or the millions of other web administrators who now have web servers that simply won't start, and an error message that says NOTHING about the problem or how to fix. Anybody else actually solved this issue? I had perfectly working virtual servers with SSL before (for years actually).

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• What are the implications of expanding an internal subnet mask?

  - by Philip

  Our network is currently working on a 192.168.0.x subnet, all controlled through DHCP, except for the few main servers who have hard-configured IP address settings. What would I kill if I changed the DHCP-published subnet mask from 255.255.255.0 to 255.255.0.0? The reason for doing this is not because we have a huge sudden influx of machines, but because I'd like to start partitioning specific devices into specific IP ranges (to be neat and tidy). For what its worth, I don' plan on changing the allocated DHCP address range, but rather want to move some of the reserved and excluded DHCP addresses out of the address pool. e.g. printers will be 192.168.2.x I will obviously need to change the subnet mask manually on my manually configured devices.

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• phpmyadmin on lighttpd gives me a "403 - Forbidden", need help.

  - by JamesM-SiteGen

  Whats the problem: When I goto //localhost/phpmyadmin I get what I would get if I did //localhost/, I'm using both http: and https:. What did I do, that changed it: I simply reinstalled lighttpd. What I have tried: Disabling and re-enabling 50-phpmyadmin.conf, Now I get a "403 - Forbidden" instead. When I goto /phpmyadmin/setup it asks me for a login, Not a clue what it is. Now I'm waiting for someone to help. :) Thanks to anyone with any answers. Latest Status: Not working, giving me a "403 - Forbidden".

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• Issue with IIS...SERVER APPLICATION UNAVAILABLE

  - by SVI

  My web application was running absolutely fine. Just 2 days back, I got an error saying. SERVER APPLICATION UNAVAILABLE I am pretty certain that nothing was changed on IIS. Unless my automatic Windows updates screwed it up completely. My event viewer had zillions of following errors in Application category. aspnet_wp.exe could not be started. The error code for the failure is C0000005. This error can be caused when the worker process account has insufficient rights to read the .NET Framework files. Please ensure that the .NET Framework is correctly installed and that the ACLs on the installation directory allow access to the configured account. I reinstalled IIS. After installing, i ran aspnet_regiis -i for framework v2 and now it throws error saying - The application could not be initialized properly. Any ideas what going on?

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• Windows 7 Boot Screen Resolution/Aspect Ratio

  - by Joe

  I have been using my Windows 7 PC with my 46" Samsung HDTV with 1920x1080 resolution. The boot screen seems to always be at 1024x768 resolution and the aspect ratio doesn't match the 1080p ratio. I read on a msdn blog that microsoft only made the boot screen in one type of resolution so that cannot be changed. The result is that on my TV the boot screen seems to look stretched out. Is there a way to make change the aspect ratio or crop it in someway? Is there any method at all to make it look normal or just better without being stretchy looking?

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• Replication in PG 9 between Windows and Linux boxes

  - by mlaverd

  I have PostgreSQL 9 running on Windows 2003 SP2. I am trying to replicate it on a Fedora 12 system running PostgreSQL 9 as well. I am hitting this error message: /usr/pgsql-9.0/bin/postgres -D /var/lib/pgsql/9.0/data/ -p 5432 2011-02-11 17:43:26 ISTFATAL: incorrect checksum in control file Because of firewall restrictions, I could not follow the official instructions to the letter. Instead, I zipped the contents of the data directory when the server was offline and copied that to the Linux box. I ran a sha1deep on both directories and there were no mismatches. I changed the rights so that only the postgres user and group had access to the files. Now, what can I do for replication to work? I tried with a 'pg_dumpall', but the system complains that the database IDs do no match.

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• Cannot Access Web Interface on HP 2510G

  - by Stephen

  I am currently setting up a new infrastructure with HP 2510s as edge switches and an HP E5406 as the main switch. I also have a DHCP and DNS server running on the same network. When i first set up one of my 2510 switches, I gave it a static IP through the console and then went to the web interface to continue my configuration. Later, I realized that I assigned it the wrong IP address, so i went through the web interface and changed the IP address to the correct one. Now, I can't access the web interface. I can telnet to the switch on the new IP address, but the web interface will not load. If I switch from static IP to DHCP, it loads the web interface. Any ideas on what could be causing the web server in the 2510 not to load with the new static IP address?

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• Default document not working after installing SP1 on Windows 2008 R2 x64

  - by boredgeek

  We have a web site that should only be available for authorized users. So we deny anonymous access for the site. However we do allow anonymous access to the default page and the login page. When we installed SP1 the behavior of the server changed. Now if the user is trying to access the root of the site, say http://mysite.com, she is redirected to login page rather than the default page. Is there a hotfix to bring back the previous behavior?

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• Setting up VSFTPD on AWS EC2 Instance

  - by Robert Ling III

  I'm trying to set up VSFTPD passive hosting on my EC2 instance. I ran through these instructions http://www.synergycode.com/knowledgebase/blog/item/ftp-server-on-amazon-ec2 . However, when I tried to connect in FileZilla, I got Command: CWD /home/lingiii/ftp Response: 250 Directory successfully changed. Command: TYPE I Response: 200 Switching to Binary mode Command: PASV Response: 227 Entering Passive Mode (10,222,206,33,54,184). Status: Server sent passive reply with unroutable address. Using server address instead. Command: LIST Error: Connection timed out Error: Failed to retrieve directory listing Where directory /home/lingiii/ftp is set to wrx permissions for user lingiii, group developers (of which lingiii is a member) AND I'm logging in as user lingiii. Any advice?

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• MacBook's Airport not working from menu bar

  - by not22

  All of the sudden my MacBook doesn't connect to my wireless after waking from sleep. My network shows up at full signal strength and it remembers the password correctly, but I get an error message when I try to connect from the menu bar. The only way I can get on the internet is to go through Network Diagnostics and turn it on there. I don't understand why it works every time through Network Diagnostics and never on it's own or through the airport menu bar. Nothing has been changed or installed or reset on my computer that I know of. Restarting doesn't fix it, nor does turning off the airport card. Any ideas?

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• /usr/bin/python Replacement

  - by tikiking1

  If I've changed the target of /usr/bin/python from /usr/bin/python2.7 to /usr/bin/python3.2 (I realize this was an ABSOUTELY HORRIBLE idea) in Ubuntu 12.04.1 LTS. Afterwards, several applications, including software-center and update-manager have stopped working. Insofar as I can tell, this is because they are written in Python2.7. I replaced the default /usr/bin/python shebang with the 2.7 one, and this fixes them on the application level. Switching /usr/bin/python back to /usr/bin/python2.7 really isn't an option, but is there a list of all applications installed by default in Ubuntu 12.04.1 LTS, if installed from a new CD-R, that use a shebang of #!/usr/bin/python instead of #!/usr/bin/pythonX.Y?

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• How to set password for phpMyAdmin with default install of WAMP2?

  - by Danjah

  I just installed it fresh, previously there would be no password at all and I'd be prompted to set one for security purposes, this time I'm just hit with an error: "Cannot connect: invalid settings. phpMyAdmin tried to connect to the MySQL server, and the server rejected the connection. You should check the host, username and password in your configuration and make sure that they correspond to the information given by the administrator of the MySQL server." I've changed nothing, but I did install over the top of an older version of WAMP2. That older install did not have a root password. Please don't hit me, but if there's a text fie I can update somewhere instead of getting a cmd line action wrong... I'd really like to be pointed in that direction. I've just tried editing 'my.ini' and uncommented the password line out, so password is blank, but no luck. I don't mind setting a password and such, but right now I just want to get up and running, password or no.

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• Any command line tool checking windows domain password?

  - by Chen Jun

  Does Windows provide a command line utility that lets me check a domain user's password? It is sufficient that the utility returns success(0) if I provide a matching domain user name and password. Alternatively, is there a simple VB/JS script that can do this? I'm the Intranet admin of my company and have the default password set for corporate staff, so I'd like to quickly scan which users have not changed their default password. Better yet, are there any books or websites which cover such topics so that I can get more information?

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• Hybrid Shutdown in Windows 8

  - by Moab

  Referring to this article published September 8, 2011, it gives instructions on how to to do a full (non-hybrid) shutdown in Windows 8 from the command line. We have an option in the UI to revert back to the Windows 7 shutdown/cold boot behavior, or since that’s likely a fairly infrequent thing, you can use the new /full switch on shutdown.exe. From a cmd prompt, run: shutdown /s /full / t 0 to invoke an immediate full shutdown. shutdown /s /full /t 0 I tried this in W8 Enterprise RTM trial, but did not work, so I did a shutdown /? and noticed they have changed the command for a Full shutdown It appears the /s switch now does the full shutdown as explained in the MS article, and the /hybrid switch does the hybrid shutdown for fast startup. Can anyone confirm this change in other RTM versions of Windows 8? Any Microsoft docs on this change are welcome.

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• How can I compare two directories to compare missing files, when the directories don't have the same structure?

  - by David Dean

  I've been sent a HDD of new and updated files from an organisation that we are working with, but we already have most of the files sitting on our servers, and would like to update our local versions to match theirs. Normally, this would be a job for something like rsync, but our problem is that the directory structure they provide is very poorly organised and we've had to rearrange their files in the past to work best with our systems. So, my question is: How can I find out which files in the set they have provided are new or different to the versions that we have, when the directory structures are different? Once that question is answered, we can update the changed files, and work out where to put the new files on our system, probably somewhat manually.

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• How to warehouse data that is not needed from MS SQL server

  - by I__

  I have been asked to truncate a large table in MS SQL Server 2008. The data is not needed but might be needed once every two years. It will NEVER have to be changed, only viewed. The question is, since I don't need the data on a day-to-day basis, what do I do with it to protect and back it up? Please keep in mind that I will need to have it accessible maybe once every two years, and it is FINE for us if the recovery process takes a few hours. The entire table is about 3 million rows and I need to truncate it to about 1 million rows.

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• Windows activation on a Virtual Machine (Physical->VM)

  - by Daisetsu

  I backed up a number of laptops to virtual machines before they are to be re-purposed, in case I need the data at some later time. While the Physical to VM processes worked fine I am encountering issues on some of the VMs. When I boot them I get an error message saying I MUST activate windows in order to login. This is expected because the hardware changed (from physical hardware to virtualized hardware). I click the OK button and expect to be prompted with ways to activate, windows sits there for quite a while then tells me that "Windows has already been activated". I click OK at that message and get take back to the beginning where I am asked to activate Windows. I have done some fairly intensive googling but haven't been able to find a real solution. EDIT: The laptops with the issues are 2 Sony Vaios, I believe that they have the OEM version of the OS originally installed by the factory.

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• Is this a common/bug on this PPPoE setting for Cisco ASA 5505?

  - by DCAlliances

  We have to change the way the firewall setup due to we've changed the internet provider. The way we setup we have ADSL modem and we have to do a full bridge mode and the firewall configuration has to change from Static IP to Use PPPoE option on Outside interface with PPPoE username and password, CHAP authentication, WAN IP and WAN subnet mask. [See the attachment] It's been working ok with the use of PPPoE option however the issue is that if we un-plug the power cable of the firewall. This "Outside" interface turned to blank - NO WAN IP, PPPoE username and password. So basically, we have to retype this information again. Is this common or a bug? Any ideas? Thanks

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