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• How is the "change password at next logon" requirement supposed to work with RDP using Network Level Authentication?

  - by NReilingh

  We have a Windows server (2008 R2) with the "Remote Desktop Services" feature installed and no Active Directory domain. Remote desktop is set up to "Allow connections only from computers running Remote Desktop with Network Level Authentication (more secure)". This means that before the remote screen is displayed, the connection is authenticated in a "Windows Security: Enter your credentials" window. The only two role services installed on this server is the RD Session Host and Licensing. When the "User must change password at next logon" checkbox is selected in the properties for a local user on this server, the following displays on a client computer after attempting to connect using the credentials that were last valid: On some other servers using RDP for admin access (but without the Remote Desktop Services role installed), the behavior is different -- the session begins and the user is given a change password prompt on the remote screen. What do I need to do to replicate this behavior on the Remote Desktop Services server?

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• how to find which package certain command belongs to on centos?

  - by hugemeow

  for example i can easily find locate command belongs to mlocate.i386 package. yum search locate mlocate.i386 : An utility for finding files by name [mirror@home /]$ rpm -qa | grep locate mlocate-0.15-1.el5.1 yum search updatedb Loaded plugins: fastestmirror, protectbase 0 packages excluded due to repository protections =========================================== Matched: updatedb =========================================== mlocate.i386 : An utility for finding files by name but it's not so easy to find which package free command belongs to: yum search free // this command just returns too much informationy rpm -qa | grep free freetype-2.2.1-31.el5_8.1 // obviously not the package by which free command is installed so is there any convinent way to know which package a specific command belongs to on linux? for example centos or some other distributions:)

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• Wireless network not working Linux Mint

  - by zharvey

  I have a home LAN that I am confident is working properly (I have a Windows 7 and an Ubuntu Desktop machine that both see the router and a working Internet connection). I just installed Linux Mint (Maya) on a new machine and although I can connect to the Internet via a wired (ethernet) connection, it does not see my wireless network. In fact, as you can see in the screenshot below, it doesn't even look like it has the drivers to be able to detect a wireless network... I have ran update manager and made sure that I am up-to-date with everything and have restarted. Any ideas here?!?

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• Fast window switching without Alt-Tab or Command-Tab?

  - by Sridhar Ratnakumar

  Alt-Tab or Command-Tab can sometimes be slow, especially when you have many windows open and you frequently switch to only a few of those windows. How do you work around this problem -- any tool to switch to desired windows (most frequently accessed) directly, other than tapping the Alt-Tab combination multiple times? Note: This should work on Windows 7, Linux and Mac. Update: Please post your keyboard-shortcut solutions (using the mouse cannot be any faster - especially when you were touch-typing/writing-code before switching to a window).

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• Detecting source of memory usage on a Linux box

  - by apeace

  I have a toy Linux box with 256mb RAM running Ubuntu 10.04.1 LTS. Here is the output of free -m: total used free shared buffers cached Mem: 245 122 122 0 19 64 -/+ buffers/cache: 38 206 Swap: 511 0 511 Unless I'm reading this wrong, 122mb is being used and only 84mb of that is disk cache. Here are all processes I'm running sorted by memory usage (ps -eo pmem,pcpu,rss,vsize,args | sort -k 1 -r): %MEM %CPU RSS VSZ COMMAND 5.0 0.0 12648 633140 node /home/node/main/sites.js 1.5 0.0 3884 251736 /usr/sbin/console-kit-daemon --no-daemon 1.3 0.0 3328 77108 sshd: apeace [priv] 0.9 0.0 2344 19624 -bash 0.7 0.0 1776 23620 /sbin/init 0.6 0.0 1624 77108 sshd: apeace@pts/0 0.6 0.0 1544 9940 redis-server /etc/redis/redis.conf 0.6 0.0 1524 25848 /usr/sbin/ntpd -p /var/run/ntpd.pid -g -u 103:105 0.5 0.0 1324 119880 rsyslogd -c4 0.4 0.0 1084 49308 /usr/sbin/sshd 0.4 0.0 1028 44376 /usr/sbin/exim4 -bd -q30m 0.3 0.0 904 6876 ps -eo pmem,pcpu,rss,vsize,args 0.3 0.0 888 21124 cron 0.3 0.0 868 23472 dbus-daemon --system --fork 0.2 0.0 732 19624 -bash 0.2 0.0 628 6128 /sbin/getty -8 38400 tty1 0.2 0.0 628 16952 upstart-udev-bridge --daemon 0.2 0.0 564 16800 udevd --daemon 0.2 0.0 552 16796 udevd --daemon 0.2 0.0 548 16796 udevd --daemon 0.0 0.0 0 0 [xenwatch] 0.0 0.0 0 0 [xenbus] 0.0 0.0 0 0 [sync_supers] 0.0 0.0 0 0 [netns] 0.0 0.0 0 0 [migration/3] 0.0 0.0 0 0 [migration/2] 0.0 0.0 0 0 [migration/1] 0.0 0.0 0 0 [migration/0] 0.0 0.0 0 0 [kthreadd] 0.0 0.0 0 0 [kswapd0] 0.0 0.0 0 0 [kstriped] 0.0 0.0 0 0 [ksoftirqd/3] 0.0 0.0 0 0 [ksoftirqd/2] 0.0 0.0 0 0 [ksoftirqd/1] 0.0 0.0 0 0 [ksoftirqd/0] 0.0 0.0 0 0 [ksnapd] 0.0 0.0 0 0 [kseriod] 0.0 0.0 0 0 [kjournald] 0.0 0.0 0 0 [khvcd] 0.0 0.0 0 0 [khelper] 0.0 0.0 0 0 [kblockd/3] 0.0 0.0 0 0 [kblockd/2] 0.0 0.0 0 0 [kblockd/1] 0.0 0.0 0 0 [kblockd/0] 0.0 0.0 0 0 [flush-202:1] 0.0 0.0 0 0 [events/3] 0.0 0.0 0 0 [events/2] 0.0 0.0 0 0 [events/1] 0.0 0.0 0 0 [events/0] 0.0 0.0 0 0 [crypto/3] 0.0 0.0 0 0 [crypto/2] 0.0 0.0 0 0 [crypto/1] 0.0 0.0 0 0 [crypto/0] 0.0 0.0 0 0 [cpuset] 0.0 0.0 0 0 [bdi-default] 0.0 0.0 0 0 [async/mgr] 0.0 0.0 0 0 [aio/3] 0.0 0.0 0 0 [aio/2] 0.0 0.0 0 0 [aio/1] 0.0 0.0 0 0 [aio/0] Now, I know that ps is not the best for viewing process memory usage, but that's because it tends to report more memory than is actually being used...meaning no matter how you look at it all my processes combined shouldn't be using near 122mb, even if you account for the disk cache. What's more, memory usage is growing all the time. I've had to restart my server once a week, because once my 256mb fills up it starts swapping, which it wouldn't do just for disk cache. Shouldn't there be some way for me to see the culprit?! I'm new to server admin, so please if there's something obvious I'm overlooking point it out to me. Just for good measure, the output of cat /proc/meminfo: MemTotal: 251140 kB MemFree: 124604 kB Buffers: 20536 kB Cached: 66136 kB SwapCached: 0 kB Active: 65004 kB Inactive: 37576 kB Active(anon): 15932 kB Inactive(anon): 164 kB Active(file): 49072 kB Inactive(file): 37412 kB Unevictable: 0 kB Mlocked: 0 kB SwapTotal: 524284 kB SwapFree: 524284 kB Dirty: 8 kB Writeback: 0 kB AnonPages: 15916 kB Mapped: 10668 kB Shmem: 188 kB Slab: 18604 kB SReclaimable: 10088 kB SUnreclaim: 8516 kB KernelStack: 536 kB PageTables: 1444 kB NFS_Unstable: 0 kB Bounce: 0 kB WritebackTmp: 0 kB CommitLimit: 649852 kB Committed_AS: 64224 kB VmallocTotal: 34359738367 kB VmallocUsed: 752 kB VmallocChunk: 34359737600 kB DirectMap4k: 262144 kB DirectMap2M: 0 kB EDIT: I had misinterpreted the meaning of free -m at first. But even so: the important thing is that my OS eventually begins to use swap memory if I don't restart my server, which disk caching wouldn't do. So where do I look to see what is using all this memory?

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• git networking for small team

  - by takeshin

  I'm trying to set up git for my programming team. My setup is: 1. example.com (Ubuntu server) IP: 192.168.1.2 (public: xxx.yyy.yyy.zzz) main git repository in /var/www/testgit user: mot (root) 2. host2, Ubuntu IP: 192.168.1.101 git clone of main repo in ~/public_html/testgit1 user: nairda 3. host3, Ubuntu IP: 192.168.1.102 git clone of main repo in ~/www/testgit2 user: mot 4. host4, Windows Vista, Samba, msysgit IP: 192.168.1.103 git clone of main repo in c:\shared\testgit3 user: ataga I start a new main repo: cd /var/www/testgit1 git init Now, a lot of questions: Which groups and users do I have to create? How to set up required ssh keys? (I'm playing with gitosis, but with no success by now.) How to make the main repo visible to other hosts? How to clone this repo on the hosts? How to pull changes from others to main repo?

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• Good infrastructure design questions for software developers?

  - by JakeRobinson

  Building on Jeff's blog post titled Vampires (Programmers) versus Werewolves (Sysadmins) From my perspective, the whole point of the company is to talk about what we're doing. Getting things done is important, of course, but we have to stop occasionally to write up what we're doing, how we're doing it, and why we're even doing it in the first place -- including all our doubts and misgivings and concerns. So, what are some questions you ask your software developers when they request a server?

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• Torque and maui node status

  - by Lafada

  I am new for torque and maui. I was checking for node state to looking for which nodes are free and which nodes are in use. For torque one command is pbsnodes. Which gives status and other info related to node. When I was checking for maui then I found command diagnose -n which also shows status of the node. I was wondering between these 2 status. Both are giving different status for the same situation. When I do man pbsnodes I got the possible states for node "free", "offline", "down", "reserve", "job-exclusive", "job-sharing", "busy", "time-shared", or "state-unknown" But this type of different state I cant find for diagnose -n. How pbsnodes and diagnose -n get the status for node. Is there any database like xCAT use for torque or maui? Thx in advance for your valuable time.

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• Lightweight Linux distro that includes developer tools? (or, the most BSD-like Linux)

  - by RevAaron

  I cut my teeth on Minix and Slackware 1.1, but I've been in the OS X Wilderness for the last few years. I'm trying to standardize on a Linux distribution for personal and work-related use on less powerful laptops and under virtualization. So far, NetBSD and OpenBSD are the best fit for my purposes- but after plenty of frustration I've come to the conclusion that I need to stick with Linux to get the hardware and software support that comes with it. What I like about NetBSD/OpenBSD that I'd like to keep: X, but no default KDE, GNOME or XFCE! A sensible /etc and dot file setup- startx calls xinit, xinit looks for ~/.xinitrc; nothing more complicated than that is needed. Command line tools and file-based configuration: I shouldn't need a GUI to connect to a WAP. Decent selection of binary packages; building from source is OK, but nothing source-only like Gentoo. pkg_add (BSD) and apt-get both have treated me well in the past. Modest RAM and HDD requirements: boot + X + awesome+ two xterms takes up 80 MB on OpenBSD and 240 MB on Debian 5 and Crunchbang In my experience, most "lightweight" and Live CDs focus on a nice desktop environment crammed into a CD or USB stick; once you add build-essentials you end up with something just about as bloated as Ubuntu or Debian full install. Crunchbang is a great example. Thanks in advance for all suggestions!

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• A special user does not appear in Windows login screen

  - by shayan

  In the list of users (under Local Users and Groups in my Windows 7) I have an ASPNET user (its description says "Account used for running the ASP.NET worker process (aspnet_wp.exe)" and its full name is "ASP.NET Machine Account") The thing is this user does not appear in Windows login screen. What I have found: It is not a "Built-in security pricipal" user It belongs only to Users group I don't have HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\SpecialAccounts key in my registry In every sense I can see that it is a normal user yet it does not appear in login screen. Now the questions are: What does make it special? How can I create a user like this?

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• Single-Purpose SSH account, exclusively for Reverse Port Forwarding

  - by drfloob

  On my Debian system, I'd like to create a user that is only allowed to do a Reverse Port Forward from their machine to my server, but I'm not sure how to create a limited user specifically for this purpose. For example, we'll call my server 'Sam' and my laptop 'Luke'. I'd like a user on Luke to be able to execute a reverse port forward ssh command to Sam, so that port 4321 on Sam is tunneled to port 4321 on Luke. For example: ssh -fnR 4321:localhost:4321 -l limitedUser Sam How can I create a user on Sam that is only allowed to execute this command?

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• Sun Grid Engine: Automatically Terminating Idle Interactive Jobs

  - by dmcer

  We're considering using Sun Grid Engine on a small compute cluster. Right now, the current set up is pretty crude and just involves having people ssh to an open machine to run their jobs. We'd like to allow interactive jobs, since that should ease the transition from manually starting jobs to starting them using qsub. But, there is some concern that, if we do, people might accidentally leave their interactive sessions idle and block other jobs from being run on the machines. The issue isn't just theoretical, since we previously tried using OpenPBS and there was a problem with people opening up an interactive job in a screen session and essentially camping on a machine. Is there anyway to configure SGE to automatically kill idle interactive jobs? It looks like this was requested as an enhancement (Issue #:2447) way back in 2007. But, it doesn't seem like the request ever got implemented.

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• Power states in Windows

  - by Kurt

  Does anybody know or have a link to documentation on how the Power Manager of Windows, determines to go to the ACPI power states S1-S4? Are there any settings that can be configured? I know that by default states S1-S3 are disabled in Vista and later (they can be enabled by a group policy). Can Windows cycle through these states while for instance an application is actively running?

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• try to attach to a database file but can't browse folder which contains the file

  - by Chadworthington

  I am trying to attach to database file (*.mdf, *.ldf) that I placed in the same folder as all my other SQL Server databases. I begin the attach by attempting to browse to the folder which contains the db files as well as all of my active database files. I select "attach Database" and click the "Add" button to add a database to the list of databases to attach to. When I do so, I get this error: TITLE: Locate Database Files - BESI-CHAD ------------------------------ D:\SQLdata\MSSQL10_50.SQLBESI\MSSQL\DATA Cannot access the specified path or file on the server. Verify that you have the necessary security privileges and that the path or file exists. If you know that the service account can access a specific file, type in the full path for the file in the File Name control in the Locate dialog box. ------------------------------ BUTTONS: OK ------------------------------ The path is correct and, as I mentioned, it contains all of my other database files so I wouldn't think that permissions should be an issue, but here is what I see for that folder: Any idea why I cannot browse to that folder and attach to the db files that I have place there?

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• Web Content Filtering

  - by Byron Wilcox

  I have recently bought a Cisco ASA 5505 for my small business, I was initially led to believe this device could do some limited website filtering that we would need. (one list of unrestricted, and a second for email only) Since it has come to my attention that it may not be able to do this what equipment or software will I need to make this happen?

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• If spaces in filenames are possible, why do some of us still avoid using them?

  - by Chris W. Rea

  Somebody I know expressed irritation today regarding those of us who tend not to use spaces in our filenames, e.g. NamingThingsLikeThis.txt -- despite most modern operating systems supporting spaces in filenames. Non-technical people must look at filenames created by geeks and wonder where we learned English. So, what are the reasons that spaces in filenames are avoided or discouraged? The most obvious reason I could think of, and why I typically avoid it, are the extra quotes required on the command line when dealing with such files. Are there any other significant reasons, other than the practice being a vestigial preference? UPDATE: Thanks for all your answers! I'm surprised how popular this was. So, here's a summary: Six Reasons Why Geeks Prefer Filenames Without Spaces In Them It's irritating to put quotes around them when referenced on the command line (or elsewhere.) Some older operating systems didn't used to support them and us old dogs are used to that. Some tools still don't support spaces in filenames at all or very well. (But they should.) It's irritating to escape spaces when used where spaces must be escaped, such as URLs. Certain unenlightened services (e.g. file hosting, webmail) remove or replace spaces anyway! Names without spaces can be shorter, which is sometimes desirable as paths are limited.

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• The perfect server room?

  - by splattne

  What do I have to consider when I'm planning a new server room for a small company (30 PCs, 5 servers, a couple of switches, routers, UPS...)? What are the most important aspects in order to protect the hardware? What things do not belong in a server closet? Edit: You may also be interested in this question: Server Room Survival Kit. Thank you!

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• Move some iTunes library items to different drive?

  - by Sören Kuklau

  My internal hard drive is somewhat small, and I only regularly listen to a fraction of my iTunes library anyway, so I'd like to keep large portions on it on an external drive for archival purposes. Since dealing with multiple iTunes libraries is somewhat painful, the solution I'm looking for is to move individual items of the library to a different location, without compromising the "Keep organized" and "Copy files" settings. I found an AppleScript that I assume is supposed to do this, Move Files To Folder…, but it instead copies them, and doesn't update the library accordingly. I can do this manually by moving the file, then accessing it in iTunes — it'll prompt me for the new location. I just don't intend to do this one by one for thousands of files.

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• Disabling partition just for one OS on multi-boot system

  - by Emiswelt

  Hi Regarding to the solution there: http://serverfault.com/questions/36385/how-can-i-mount-a-hard-drive-as-read-only-on-windows-xp I have a system with three partitions. One runs windows 7, one runs windows XP and is for some experimental programming and testing. I don't want to mess up anything, so I am going to disable the windows 7 partition like described on the linked page above from windows XP to protect the operating system. When I do this, is the windows 7 partition only disabled for the running XP os, or is the windows 7 partition rendered unbootable? with best regards

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• Firefox saving password for a 3-field password form in Firefox

  - by Chris

  I've been requested to find a method of saving passwords on a form that uses three inputs, all set as type="password". It seems that Firefox will only save the password for the first password input. Here's the code foundation, which I simplified. <FORM NAME = "PSWRD" ACTION="index.pgm" Method="POST" TARGET="frame"> <INPUT TYPE="PASSWORD" NAME="PASSWORD1" SIZE="5" MAXLENGTH="5"> <INPUT TYPE="PASSWORD" NAME="PASSWORD2" SIZE="10" MAXLENGTH="10"> <INPUT TYPE="PASSWORD" NAME="PASSWORD3" SIZE="10" MAXLENGTH="10"> <INPUT TYPE="submit" VALUE="ENTER"> </form>

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• How to queue up Windows 8 file coping to only have one copying at a time

  - by Valamas

  The new windows 8 file explorer copying is great. I can setup multiple copying tasks. They appear in a single window and I am able to pause them. Is there a way to have the copying only occur one at a time and when complete to progress the next one? Currently I have to setup the file copy and pause subsequent ones, then unpause the next one when I notice the current one finishes. I am only asking about a way to queue the file explorer coping and not use alternative tools like robocopy.

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• HP Envy screen brightness .. stuck

  - by Sonic Soul

  once in a while, the screen brightness stops responding to any reason, and stays on full brightness.. for those of you that have HP Envy, you know what this means... battery suicide. the FN+* controls don't work. i also tried going in to power settings and adjusting all modes brightness to low wend of spectrum, after saving, it has no effect.. i suppose i could try rebooting as i always just put my laptop to sleep :/ anyone came across this ?

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• Out of memory Problem

  - by Sunil

  I'm running a C++ program in Ubuntu 10.04 (32-bit system architecture). If I calculate the amount of memory that my program uses, it comes up to 800MB. I have a 4GB RAM in place. But still before the program even finishes it throws an out of memory exception. Why is that happening ? Is it because of the structure of the memory or implementation problems or what could possibly trigger this issue ? I've had seen this problem quite a number of times before but never understood the reason behind it. Have any of you handled this case before ?

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• Macbook Pro with Windows 7 - GPU always on

  - by Joonas Pulakka

  Übergizmo is reporting an issue with the new Macbook Pros' GeForce 330M GPU being always "on" under Windows 7, and thus almost halving the battery life compared to that with OS X (which is able to somehow suspend that GPU and use the the low-end integrated GPU to do the light work). Any solutions, or rumors of coming solutions?

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• sudoers file cleanup and consolidation tool/script

  - by Prashanth Sundaram

  Hello All, I am curious to know what other folks out there might be using to keep the sudoers file in a sane manner. I am looking for a tool, that removes redundant entries, overlapping permissions and/or present sudoers file in a organized way(like sorting by permissions/users/Aliases). I use SVN and Confi Mgmt. tool to version control and deploy resp. Is there any add-on/plugin you would recommend/use? User_Alias RT1123 jappleseed, sjobs Host_Alias HOST_RT1123 wdc101.domain.com, wdc104.domain.com Cmnd_Alias ..... Our sudoers file is simple but a lot of entries and it needs to be cleaned up. Does anyone know/have a tool/script to fix/present it ? Thanks!

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