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• Apache Process question about RAM usage

  - by Andrew Fashion

  So everytime I load a new page, I notice a new HTTPD process opens, every time I click a page, and each process says it's using anywhere from 2-4.5% of memory. Does that mean every single process is running at that time using 2-4% of RAM? It's a brand new server and I'm the only one on the server at the moment. Or does it mean all the other processes are dying, and only the new one is active. Because 4% of my 2048MB of RAM is already 82MB for just one process!?!? Let me know, because I am trying to determine what I need to beef my server up in order to handle high loads of traffic. I'm expect to get 20,000 uniques per day on launch. I am currently running a Dual Quad Xeon server, with only 2GB of ram, I will upgrade to 8GB or more shortly. Let me know what you suggest! thank you [root@D18634 log]# top | grep 'httpd' 11315 apache 15 0 362m 82m 24m R 12.3 4.1 0:03.00 httpd 11310 apache 16 0 322m 41m 21m S 5.7 2.1 0:02.98 httpd 11315 apache 15 0 362m 83m 25m S 24.3 4.1 0:03.73 httpd 11319 apache 16 0 324m 42m 20m R 1.0 2.1 0:01.85 httpd 11319 apache 16 0 362m 82m 23m R 78.5 4.1 0:04.21 httpd 11321 apache 16 0 323m 44m 23m S 35.3 2.2 0:04.13 httpd 11319 apache 15 0 361m 82m 23m S 8.3 4.1 0:04.46 httpd 11321 apache 15 0 323m 44m 23m S 35.9 2.2 0:05.21 httpd 11313 apache 15 0 324m 41m 19m S 48.6 2.1 0:03.23 httpd 11322 apache 16 0 354m 72m 20m R 11.0 3.6 0:05.11 httpd 11322 apache 16 0 354m 72m 20m S 23.9 3.6 0:05.83 httpd 11314 apache 16 0 355m 75m 22m R 18.3 3.7 0:04.64 httpd

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• How does NMap decide to print a progress line?

  - by Andrew Bolster

  Checking a larger subnet than I normally do; mapping out a cluster suite in a university for a traffic mapping project (permission attained), and I was wondering something. NMap usually prints its progress periodically, but I'm unclear to what that 'periodically' is, because the cirrent scan printed a line for basically every 100th of a percent up to 1% done, then one at 1.5%, and has said nothing since. I suspect that it changes at different 'levels' but does anyone have an actual answer?

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• Using multiple accounts on Gmail on a Blackberry

  - by Andrew G. Johnson

  I love the whole "one inbox" concept on my blackberry. Facebook updates, SMS/MMS messages, and email all lands in the same list. Problem is they assume I have a simple Gmail account without multiple accounts. I have my Gmail account setup to receive email from ~15 different accounts. I assume a lot of tech people do something like this. How have you gotten around in?

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• How to reset the postgres super user password on mac os x

  - by Andrew Barinov

  I installed postgres on my mac running 10.6.8 and I would like to reset the password for the postgres user (I believe this is the super user password) and then restart it. All the directions I found do not work because I think my user name is not recognized by pg as having authority to change the password. (I am on the admin account of my mac) Here is what I tried: Larson-2:~ larson$ psql -U postgres Password for user postgres: psql (9.0.4, server 9.1.2) WARNING: psql version 9.0, server version 9.1. Some psql features might not work. Type "help" for help. postgres=# ALTER USER postgres with password 'mypassword' postgres-# \q and for restart I did: Larson-2:~ larson$ su postgres -c 'pg_ctl -D /opt/local/var/db/postgresql84/defaultdb/ restart > Which didn't work, as the password remained the same as it was before. Can someone provide directions for doing this and for making sure it's recognized by PG? Update I went ahead and edited the pg_hba.conf file located in /Library/PostgreSQL/9.1/data and set the settings as follows: # TYPE DATABASE USER ADDRESS METHOD # "local" is for Unix domain socket connections only local all all trust # IPv4 local connections: host all all 127.0.0.1/32 trust # IPv6 local connections: host all all ::1/128 trust However, like before, the password stayed the same after I changed it. I am not sure what further steps I can take from here.

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• Why does my top right search in Firefox sometimes switch from LTR to RTL

  - by Andrew G. Johnson

  I assume it is a combination of keyboard buttons but I don't which ones and it is annoying because I have to open and close Firefox to get it back to LTR

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• Launchctl: how can I configure a service to stop restarting automatically until next reboot?

  - by Andrew J. Brehm

  I have several services set up in launchctl and they all start at boot and restart automatically whenever they stop for any reason. That's great so far. But sometimes I want one of the services to quit and not restart for a while. Is there a recommended way to do that apart from removing the service from launchctl (which also stops it immediately, which I don't want to do)?

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• Where can I download copies of a Windows XP ISO image with Internet Explorer 6 or Internet Explorer 7 for VirtualBox?

  - by Andrew Arrow

  I have Windows 7 Professional hosting Ubuntu inside VirtualBox for my development machine. To test my site, I run Internet Explorer and hit my Ubuntu box. This works great for Internet Explorer 8, the default browser on this Windows machine. I also want to run another VM with a copy of Windows XP with Internet Explorer 6 or Internet Explorer 7. Where can I download ISO image files of old copies of Windows XP? I've looked in Internet Explorer Application Compatibility VPC Image and these only run in Virtual PC/XP Mode which won't run while VirtualBox is running. If I have to run VirtualBox (can't work without Ubuntu running the site), is there any way to test Internet Explorer 6, Internet Explorer 7, and Internet Explorer 8 from the same Windows 7 machine?

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• "custom" routers for VPN - useful or waste of money?

  - by Andrew Heath

  I use VPN in China and my current service contract expires soon so I was checking what sort of plans are out there now. I found that Witopia offers a "Cloak Box", what appears to be a Linksys wireless router with allegedly hacked/custom firmware to support VPN. Aside from allowing multiple computers to share one VPN connection, is there anything else at work here to justify that price when most new routers are $100 or less these days? Or is this something targeted towards the cd-rom cupholder crowd? And yes, I've contacted them, but haven't heard back yet... EDIT I've heard back from the company - here are the details if anyone else is interested: the router is a Linksys WRT54GL running TomatoVPN custom firmware the hardware waranty is one (1) year, from Linksys/Cisco the VPN is hard-set, so any device connected to the router MUST use the VPN (Witopia blocks torrents) I've decided it's not for me, but hopefully this information will prove useful to others.

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• Simple wordpress Registration

  - by andrew

  Does anyone know of a wordpress plugin which simplifies the registration process by allowing users to sign up on the spot without having to be sent an email? It would be good if you could also pass a redirect_to parameter in the url like you can for the login.

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• How to move a sata drive to a machine without AHCI mode

  - by Andrew Cooper

  I've got a Dell Inspiron 1545 on which the screen has died. I'm able to plug an external monitor into the Inspiron 1545 and it works fine, so the screen is the only issue. The OS is Win7. I'm trying to move the disk to a spare Dell Precision M90 laptop that I've got lying around. The problem is that almost as soon as the Windows logo appears in the boot sequence I get a BSOD with a STOP 0x0000007B message. Researching this message pointed to issues with SATA AHCI mode. I looked in the BIOS of the Inspiron 1545 and the controller was set to AHCI mode. I set it to ATA mode and tried to boot with the same drive and got the same result as on the Precision M90. Switching back to AHCI allowed the machine to boot correctly again. I checked the BIOS on the Precision M90 and it doesn't seem to support AHCI mode, although it is a SATA controller onboard. The BIOS is the latest A08 version available from Dell. Is there any way I can get this drive to boot in the M90 without reformatting it?

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• Is there a "rigorous" method for choosing a database?

  - by Andrew Martin

  I'm not experienced with NoSQL, but one person on my team is calling for its use. I believe our data and its usage isn't optimal for a NoSQL implementation. However, my understanding is based off reading various threads on various websties. I'd like to get some stronger evidence as to who's correct. My question is therefore, "Is there a technique for estimating the performance and requirements of a certain database, that I could use to confirm or modify my intuitions?". Is there, for example, a good book for calculating the performance of equivalent MongoDB/MySQL schema? Is the only really reliable option to build the whole thing and take metrics?

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• Mirror/Backup from SSH/SFTP to Windows

  - by Andrew Russell

  What I am trying to do is mirror a directory (recursively) from a server I can SSH/SFTP to, to a Windows machine. I want to do this as part of a script, so it can be automated. I only want to copy new or modified files. I don't want to have to download all the files every time the script runs. In other words, I'm trying to get the equivalent of RoboCopy /MIR that will work using SFTP as a source. What would you recommend?

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• Language for google search field in firefox toolbar is wrong

  - by Andrew

  I've got a fresh install of Ubuntu 9.10 (64 bit) and for some reason the Google search field in the Firefox toolbar always searches google.jp. Given that I'm in Australia and struggle to read Japanese this is somewhat less than useful to me. Does anyone know how I can change the language/Google site that search field uses?

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• Must-have Search/Replace tools for text files

  - by Andrew Moore

  What GUI application do you think is best to search and replace text in a folder full of files? Entries must: Allow searches in folders and sub folders for text inside files. May or may not support replacement. May or may not show previews.

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• Best practice? Using DPM to backup VMs within each VM or through the host?

  - by andrew

  We've got two Hyper-V hosts running multiple VMs (all flavors of Windows Servers). One of the VMs is running MS Data Protection Manager 2010, which runs beautifully (most of the time) and is connected to a separate NAS via iSCSI for the DPM storage. I noticed when I installed the DPM agent on the Hyper-V hosts, it enumerates the VMs in the DPM Protection listing. I don't want to burn through my storage space too fast with duplicate protection, so I was wondering: Is it recommended to back up VMs through the host, or is it better to install the DPM agent on each VM and backup as I would any other machine? It would seem as though most people (currently including me) do it the second way, but is there any advantage to including the entries under HyperV (Backup using Child Partition Snapshop)?

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• Processor not running at max speed

  - by Andrew Hampton

  My laptop has an Intel Core 2 Duo T9300 which should be running at 2.5GHz, however CPU-Z consistently reports my Core speed at right under 1.6Ghz (8x multiplier and ~200MHz Bus Speed). Even when I'm doing heavy development work and the processor is running at 100% for extended periods of time the core speed reported by CPU-Z never goes up to 2.5GHz. My understanding is that this reduction in speed is to save power, but this happens even when I'm plugged into the outlet. Does anyone know why this is happening or how to fix it?

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• Tar exclude not working?

  - by Andrew Fashion

  tar -cvf file.tar --exclude=thumbs/ \ --exclude=uploads_event/ \ --exclude=uploads_forum/ \ --exclude=uploads_admin/ \ --exclude=uploads_userpoints/ \ --exclude=uploads_group/ \ --exclude=up_old/ \ --exclude=uploads_user/ \ --exclude=uploads_wall/ \ directory_to_tar/ Do I have it wrong? Trying to tar entire directory but exclude all those directories and any files in those folders completely.

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• Is there a Hotmail Adapter for Outlook 2011 on Mac?

  - by Andrew

  Ironically, the ONLY email account I have that does not run on the new Outlook 2011 for Mac is my MSN account....totally mad but true...I have to run it in Mac Mail which autoconfigures the account no problem whereas Outlook 2011 does not and there seems to be no connector unless you are running a PC! Does anyone know if there is HOTMAIL/MSN connector for Outlook 2011 available anywhere or is there a way around it?

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• Postfix unable to find local server

  - by Andrew

  I'm working with postfix on fedora 9 and I'm attempting to make some changes to a system setup by my predecessor. Currently the postfix server on [mail.ourdomain.com] is setup to forward mail sent to two addresses to another server for processing. The other server [www01.ourdomain.com] receives the email and sends it to a PHP script to be processed. Then that PHP script generates and sends a response to the user who sent the original email. We're adding more web servers to the system and as a result we've decided to move these processing scripts to our admin [admin.ourdomain.com] server to make them easier to keep track of. I've already setup and tested the processing scripts on [admin.ourdomain.com], and on the mail server doing the forwarding [mail.ourdomain.com] I added [admin.ourdomain.com] to /etc/hosts and also added another, aside from the one for [www01.ourdomain.com], entry to /etc/postfix/transport for [admin.ourdomain.com]. I also restarted postfix as well. I've tested the communication from [mail.ourdomain.com] to [admin.ourdomain.com] using telnet and the [admin.ourdomain.com] domain and everything runs correctly. But as soon as I change the forward address and attempt to send an email to the mail server I get a bounce message stating "Host or domain name not found. Name service error for name=admin.ourdomain.com type=A: Host not found". If I change the forward settings back to [www01.ourdomain.com] then everything works fine. Is there some setting I'm missing in Postfix? The server itself and telnet work fine it just seems to be postfix that's not able to discover the location of [admin.ourdomain.com].

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• Vim: tab-align multiple lines?

  - by Andrew Bolster

  In GUI style editors, you can generally select multiple lines, press tab a few times to move all the lines across (or shift-tab to go back). I have no idea how to do this in VIM. I googled around and couldn't find any straight answer to I came here.

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• DNS cache-on-demand server in Win7

  - by Andrew Heath

  I live in a country that enjoys manipulating DNS entries for fun and profit. For various reasons, I cannot surf with a VPN running 100% of the time. Because some sites are only blocked via DNS spoofing, it would be very handy if I could run a local DNS server that I could update on command during active VPN sessions. Is this granularity possible on Win7? Most of the DNS server related posts on SU are regarding the more config-friendly Linux platforms...

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• Change Tweetmeme button colour under wordpress

  - by Andrew Bolster

  I've had a poke around in the TweetMeme plugin code and IANA JS Guru, but I cant find any sensible way to make specific styling changes; you can add div-specific CSS characteristics, but I'm talking about changing the resting colour and the hover colour of the button. I've googled around and noone seems to have asked it on here so I thought I should. PS I would not be surprised by this question being migrated to SO, but since this is more of a design/use question rather than a programming question, I thought it was worth trying here first.

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• Lotus 1-2-3 Worksheet V4 files in Windows 7 x64

  - by Andrew Moore

  Is there any applications that has full support for Lotus 4 Worksheets files and corresponding macros that work under Windows 7? I have a rather legacy billing application that I still need to use and unfortunately, short of installing a VM to run Lotus 1-2-3, I can't find any information on a compatible application.

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• Syncing Exchange Inbox subfolders to Blackberry

  - by Andrew W.

  Hello - I have a Blackberry user that has organized his Outlook such that he manually sorts mail messages into specific subfolders. Example - |--> Inbox |---->Mail from 2004 ( Subfolder of Inbox ) |--------> Business ( Subfolder of Mail from 2004 ) |--> Personal |--> Travel |--> Mail from 2003 When using the Blackberry this user is able to view the folder, however the folder is empty, despite knowing the folder has mail messages in it on the Exchange server. The handheld appears to sync without issue. The user receives new mail messages. I have Folder Redirection enabled and all folders checked marked. I am using BES 4.0. So, I guess my questions is this - How are the Outlook subfolders sync'd with the Hnadheld? Additionally, if a mail message is on the handheld is moved into a subfolder from the handheld, will it be sync'd on the Exchange server? Thanks in advance!

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• Supermicro SmartOS setup issue with HDDs

  - by Andrew B.

  I'm trying to setup SmartOS on my new Supermicro server (SYS-6027R-N3RF4+). I have 8 HDDs + 2 SSDs installed in the hot-swappable drive bays. I have not configured the Intel RAID controller on the machine (it shows no RAID configured, and lists all 8 HDDs). When I boot SmartOS from my USB key for the first time and get to the initial zpool creation I only see 2 disks listed. How can I tell which two drives are being referenced? How can I get SmartOS to recognize all 8+2 drives? Is there a BIOS setting I need to adjust?

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