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• Optimum number of threads while multitasking

  - by Gun Deniz

  I know similar questions have been asked but I think my case is a little bit diffrent. Let's say I have a computer with 8 cores and infinite memory with a Linux OS. I have a calculation software called Gaussian that can take advantage of multithreading. So I set its thread count to 8 for a single calculation for maximum speed. However I really can't decide what to do when I need to do run for instance 8 calculations simultaneously. In that case should I set the thread count to 1(total 8 threads spawned in 8 processes) or keep it 8(total 64 threads spawned in 8 processes) for each job? Does it really matter much? A related question is does the OS automatically does the core-parking to diffrent cores for each thread?

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• Folder permissions, red x on user object

  - by Matt Bear

  This question was asked before but was no answer. On shared folders on the file server, for the domain user name object under the security tab, the icon has a red x. There are no symptoms, the users have full access, there is just a red x on the icon for their name. Why is this? For clarification, logged into the windows 2008 r2 file server, browse to a users shared folder, right click on the folder, hit properties, click the security tab. The object representing the users domain name has a little red x on the lower right hand corner of the icon that looks like a single man. There are no symptoms beyond me wondering why the red x is there.

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• What Windows licenses are required to run additional terminal service sessions

  - by John P

  We need to build out a server running Windows 2008 R2 Standard that can allow up to 10 simultaneous RDP/Terminal Services connections and I'm a little confused about how the CAL licenses work. From one source I was told I needed 10 "server CALs" and an additional 10 "RDP CALs" (total of 20 CALs). From another, I was told I just needed the 10 "RDP CALs", which implicitly came with the server CAL. The Microsoft licensing website (http://www.microsoft.com/windowsserver2008/en/us/licensing-rds.aspx) seems to support scenario #1, but it is still not real clear what those server CALs are needed for. Also, can we use the 2 "built-in" RDP clients, meaning we only need to purchase 8 CALs to reach a total of 10?

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• Is there a way to enable metro on a 1024x600 netbook?

  - by scatmoi

  Windows 8 Consumer Preview works great on my 1024x600 netbook but, for some strange reason, Microsoft decided to provide its Metro interface only to 1024x768 and up screens. "Strange" because Android can work with as little as 240x320 screens, and I know that Microsoft is presumably targeting smartphones, too, in its upcoming Windows 8. The interface itself is there with all the panels etc. but when one of the rectangles is pressed, Windows 8 just refuses to launch any application (even Internet Explorer), except for Windows Explorer. Looks to me like this isn't a real hardware limitation but some arbitrary flag set in the registry. Is there any way or tweak to enable the Metro interface on 1024x600 screen?

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• Active node stops resources when pasive node is shutdown

  - by Wakaru44

  2 nodes, active/pasive. 2 resources, a virtual ip, openLdap, and the nfs mount where openldap saves the data. When both nodes are up, things worked fine. You could move resources away and put the active in stanby. But when i rebooted the passive node, ( with the resources in the active node), and the passive node loses conectivity, all the resources in the active where stopped by pacemaker. I'm reading the documentation right now, but I just need a little quick tip to figure what could be hapenning here. Im using: corosync pacemaker RHEL 6

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• Windows script to copy some text to the clipboard ?

  - by Sebastien

  I am using an application that requires several attempts to log in (because of overloaded servers). This app has no "remember my password" feature. Therefore, I would like to make a script (preferably a .bat script), that would first copy my password into the clipboard -so that I don't have to retype my password on every log on attempt- , then launch the application (easy part) Is this possible with a MS-DOS command ? Do I need a little exe or another script language ? I'm obviously looking for the quickest solution to implement. Thanks in advance for your ideas

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• maintaining consistency between program's files and add and remove program

  - by tast usar

  Would there be any problem if the program is listed in add and remove program and Program Files ? I have some application enlisted in "Add and Remove program" but files has been deleted. Also I have removed some program but it's file are still there and when i try to delete it manually, i get error "Access Denied ....". Is there a way to fix it? also a little help with quality standard ... i can't post question.

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• Looking for alternative to NetNewsWire and Google Reader

  - by Janine Sisk

  I have used NetNewsWire on both Mac and iPhone for years, and have been reasonably happy. Unfortunately the latest version of NNW for Mac, which I just upgraded to, now matches Google Reader's policy of marking items read after 30 days. The older version I had been using did not do this. I regularly keep unread items for way longer than 30 days, and do eventually read them, so this is a major bummer for me. The iPhone version has behaved this way forever, but I was ok with that as long as I had the full list on my desktop. Keeping in sync between the iPhone and Mac is very important, so I need to find another online solution with clients available on both sides. I've done a little digging but haven't found much; it seems like Google has pretty much taken over this space. Any suggestions?

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• Lightweight, low cost enterprise backup solution

  - by Scott

  Looking for a backup solution primarily for Windows clients (XP/7), that will either back up to 2 different servers (1 on site, 1 off site - internet - can be our own server), or back up to 1 server and then we would need to somehow backup that server offsite/internet. By lightweight, I mean the backup client software should not eat up much memory and processor since some of the client machines are older. I am used to using Crashplan for home use - the pricing is nice for the amount of backup I get, and it works great / easy to install and get going - I can back up to my own machines locally and over the net. However, the price is going to be a little steep for enterprise level backup, 1500+ machines. Possibly ZManda and Bacula are good choices to consider? Are they light weight? Can the clients/agents be set to go over the net and/or multiple backup servers?

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• How can I disable logging in Tomcat 7?

  - by WilliamMayor

  I have a Tomcat 7 server running in a VM that has very little disk space (20G). Over the course of a few days Tomcat will fill the space with logging info (usually about 15G before it runs out). I've tried turning down the log level (from INFO to SEVERE) in the logging.properties file, I've also tried sending the log info to /dev/null. It doesn't seem to work as I still get a full log directory after no time at all. Can I put a file size limit on the log files? Is something overriding the properties I'm setting? Where can I find this information? My Google Fu just returns information about logging from within an application using JULI.

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• Apache: Use Specific Applicaion for CGI scripts

  - by RandomInsano

  I have two servers, one in production and one for development. The production server is Solaris, dev is FreeBSD. Because of this, python is installed in different directories. I'm using Python right now for making CGI scripts, and needing to remember to swap my hashbangs when I copy from dev to production is a little annoying (Same issue for SVN updates depending on which server I'm comitting from). Is there a way to configure apache so that I no longer need to hashbangs? Like, if it would lauch python and supply the CGI script for it? Might be a bit of a stretch, but no harm in asking

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• Why does my wifi fail to stay connected?

  - by Mark0978

  We have 5 different laptops in the house, 1 macbook, 1 Compaq, 3 dells, plus numerous little devices like ipods, squeezeboxs, squeezebox radios and controllers, you name it. All of them connect to and stay connected to the "downstairs" WIFI just fine. But my laptop (the most expensive of the lot) refuses to stay connected, preferring the much weaker and slower signal upstairs. My laptop is running Win7 (64 bit) Ultimate with an Intel 3945ABG WIFI contoller (It's a Dell Precision M6300). The WIFI Access Point is a Cisco WRT54G2 V1 with firmware: Firmware: DD-WRT v24-sp2 (10/10/09) micro Time: 11:11:10 up 42 min, load average: 0.06, 0.01, 0.00 WAN: Disabled

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• Setting up dual wireless routers

  - by JasCav

  I have two wireless routers (one is the router supplied by Verizon - MI424-WR ActionTek and the other is DD-WRT Buffalo router). I want to set them up so that I have the second router (Buffalo) on its own subnet and two SSIDs so I can put different devices on different routers and so I can put my web server on the first router and put most of my other computers behind the second router for a little extra protection in case of a compromise. From my understanding, I have to hook the two routers together so that the LAN from the Verizon router plugs into the WAN port of the Buffalo router. This is where I get stuck. What settings do I need to look for to setup the Buffalo on its own subnet? Do I need to do anything with the Verizon router, or are the configuration changes done to the Buffalo?

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• Apply Group Policy to Remote Desktop Services users but not when they log on to their local system

  - by Kevin Murray

  Running Windows Server 2008 Service Pack 2 with Remote Desktop Services role. I want to hide the servers drives using a GPO, but not the users local drives when they are logged on to their local system. Using a GPO, I went to "User Configuration - Policies - Administrative Template - Windows Components - Windows Explorer" and enabled "Hide these specified drives in My Computer" and "Prevent access to drives from My Computer" and in both used "Restrict all drives". Then under "Security Filtering" for the GPO, I restricted it to the system running Remote Desktop Services and the specific users who will be using RDS. I then applied the GPO to our domain and it worked a little too well. Not only was I successful in getting the GPO to work for RDS users, but it also affected those same users at their local systems as well. I've tried everything I can think of, but can't figure out how to apply this just to the RDS but not at their local system. What am I missing?

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• How can one-handed work in Emacs be eased?

  - by N.N.

  My right hand is temporarily immobilized and I would like to do some minor work in Emacs, mostly in Org-mode, but also in AUCTeX. Are there ways to ease one-handed work in Emacs, such as some mode or particular work flow? For instance I noticed that for undoing it is easier to press C-x u than C-_ and that it is easier to mark text with methods involving C-Space than with combinations of S- and movement commands. I have found http://stackoverflow.com/questions/2391805/how-can-i-remain-productive-with-one-hand-completely-immobilized but that is not exactly what I am asking for. I want to ease whatever little time spent one-handed in Emacs (not in general) and this is also interesting for situations where there is no injury involved, such as when one hand is occupied. I do realize that I should avoid unnecessary strain. I am using GNU Emacs 23.3.1 in Ubuntu 11.04.

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• Windows PE 3.0 detect what device it was booted from

  - by Brian

  I am creating a custom boot disk for work using Windows PE 3.0. I need to be able to tell what drive the system was booted from. it may be a CD, or a USB Flash drive. In the past, I have looked for a file on the root of the drive that holds some of our custom configuration. however that is getting a bit messy. Basically, in addition to Windows PE, the drive or disk also has other scripts and tools. I need to remount that USB drive or DVD to the U:\ Drive, to keep thing consistent. Basically, Diskpart.exe Select Volume $X assign Letter=U Exit I just need to figure out how to determine that nasty little $X.

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• Can't access files on external drive after reformatting Macbook Pro

  - by Peter Wells

  I recently had to reformat my Macbook Pro, and imported my account and settings from Time Machine via the Migration Assistant. Everything on the Mac itself is fine, but now I don't have permission to access almost everything on my external drive. A number of folders have the little red 'no access' sign on them and I can't rename or move anything. Looking at the info for these files, it appears that access rights were attached only to my old user account. Is there some way to reassign these files and folders to my new user account? Thanks.

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• Configuring BitLocker on existing Windows Server 2008

  - by neildeadman

  On our file server, we want to enable BitLocker so that we can encrypt a single drive and I know that we have to also encrypt the drive the system is installed on. In my tests with VMs, I have to create a partition on the same disk as Windows is installed either before I install Windows or after (I can use the BitLocker Drive Preparation Tool). This tool shrinks the C: drive to make way for a 1.5GB partition. I'm a little concerned about doing this with a live system so wanted to see if it was possible to get BitLocker to use a partition on another drive?

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• Can I use an nVidia Geforce 9600GT for triple-monitor?

  - by John Rudy

  My work PC has (as you can guess from the title) a single Geforce 9600GT card. According to the spec page for this card, both DVI ports are Dual-Link DVI. Both are currently in use on Dell 19" 1280x1024 screens. I'm running Windows 7, with Aero enabled, for what that's worth. What I'm wondering is if I can use a standard DVI splitter cable to drive a third screen from one of the ports -- specifically a Samsung 22" 1680x1050. I'm really outgrowing the two-screen setup, and am strongly considering bringing in my home monitor (which is almost never used) to bolster my usable space. If I can't, then my alternative is to replace one of these Dells with that Samsung, to give me at least a "little" more space. (Before you ask, there's probably no chance I can get my company to spring for a second video card and third monitor. Even if I could, it would not be politically expedient, as a number of my other coworkers are already pretty jealous at my setup.)

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• Cisco 1841 Box and Watchguard XTM21-W

  - by Corey

  I have never set one of these up before and need a little assistance. Right now we have a T1 line coming in from Sprint to a Cisco 1841 and then on to our router. However, when I plug the Cisco 1841 into Port 0 and the router into Port 3 it does not work. In Port 1 I have my management computer plugged in. We have one subnet and this must be easy but I cannot figure out how to make this work. When the firewall is plugged in then I get no internet or network access.

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• Problem reinstalling GRUB

  - by DisgruntledGoat

  I have a PC that dual-boots Ubuntu and Windows Vista. I recently reinstalled Windows Vista after some problems and now the bootloader's gone. I've been trying to follow this Ubuntu community guide but it's not working. I have Grub Legacy according to the first part (I installed Ubuntu 9.04 originally then upgraded). From the 9.04 LiveCD, I ran this: sudo grub-install --root-directory=/media/disk /dev/sda5 sda5 is the Ubuntu partition. I get this output: grub-probe: error: Cannot open `/boot/grub/device.map` [: 494: =: unexpected operator Installing GRUB to /dev/sda5 as (hd0,4)... Installation finished.No errors reported. This is the contents...(etc) (hd0) /dev/sda In the bit below, when I run setup (hd0) I get an error, "Error 17: Cannot mount selected partition" Little help?

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• Missing Right Click Menu Text After Sleep

  - by petebob796

  I have a laptop running Windows 7 and regularly close the lid to put it in sleep mode. Recently after resuming from sleep if I go to access the right click menu in the windows shell when I hover over the menu items the text disappears and doesn't re-appear without closing the menu and right clicking again. The only way to fix this is to restart. Any ideas what could be causing this? I have an nvidia 8600m gs graphics card which had a BSOD problem a while back at boot up but since I underclocked it slightly it has been running fine and I experience no other issues but this. This only affects right click menus that are part of the windows so not any programs right click menu. It's not a major problem just strange and a little annoying.

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• Win 2008 Server & IIS7: ASP installed but displays 'FILE DOWNLOAD - SECURITY WARNING"

  - by AzC

  Hi Dudes, Installed Win 2008 server and IIS7. Enabled ASP Classic and ASP.NET on it. Can't get any ASP scripts to run e.g. desperate.asp containing following line: <% Response.Write "Hello Love, Fancy a Date?" % It just comes up with a "FILE DOWNLOAD - SECURITY WARNING" panel asking em to download. When I select anything it keeps looping. Found lots fo stuff on internet but nothing working. Also same for other ASP scripts HTML works no problem e.g. a file called reply.html containing: Get lost little boy. We only serve French Fries in Macdonalds Any ideas?

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• Linux servers vs Windows IIS sense of usage "free" solutions

  - by Rob

  I wonder what is the sense of using "free" open source solutions for serious webstie applications? Crawled and read many testing of servers performance and there is one conclusion: IIS seems to be the best choice for high load applicatiom. I mean cost effective. Especially this concers to Nginx PLUS and LiteSpeed Users where subscriptions paid for e.g. LoadBalacer and extra support cost a lot in fact. I'm asking then where it's "free" then or "cheap" in this case? Assuming even little higher cost of dedicated servers with Windows still seems like Windows looks cheaper. At it's basic setup Windows 2012 with IIS offer much more than std LAMP, or other NGINX config.... Maybe am I missing sth ? I mean only general case for someone who did not already started his app. I know exactly that the cheapest solution is the one someone is skilled. Has anyone done already such real costs calculation for example scenarios?

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• rsyslog appears to act on old configuration

  - by Jeff Lee

  I'm using a template to dynamically generate rsyslog filenames. I've made some changes from my original format, but rsyslog still appears to be using both the new template and the old after restarting. My filename template went from this: $template RemoteDailyLog,"/var/log/remote/%hostname%/%$year%/%$month%/%$day%.log" To this: $template RemoteDailyLog,"/var/log/remote/%hostname%/%fromhost-ip%/%$year%/%$month%/%$day%.log" I stopped rsyslogd using service rsyslog stop, deleted all of my log files using rm -rf /var/log/remote/*, and then restarted rsyslogd with service rsyslog start. The problem is rsyslog seems to be building folder structures of the type "/var/log/remote/%hostname%/%$year%/%$month%/%$day%.log" (i.e., without the remote IP), which no longer appears anywhere in my configuration. Is it possible that old log or config data have been cached somewhere and are being preserved through the server restart? This is creeping me out a little.

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