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• Count total file size of many files in Windows

  - by user105249

  When I want to burn a CD R with lots of files, I have to make sure the total file size in my folder doesn't exceed the capacity of the disc (680MB). In Windows are there possibilities to check the total file size of a bunch of files. I put them in a folder, right-click and check the properties. But this is an annoying trial and error kind of way. Either there are too many files in the folder, or too little. I watch the file size go up as I keep selecting more files, using ALT+going down button. No. 2 is my favorite way to do it. Here's my question: For some reason Windows (I still use XP) only shows the total file size of 100 selected files. When you select more than 100 files, no file size information appears any more. Is there way, a trick, an app, to work around this problem?

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• Mac OS X Server mobile account VS Time Machine Network Backup

  - by elhombre

  I am installing a Server @home to manage the mac client's of my family. First I wanted to make time machine Backups over the internal network to an external Hard-drive which is connected to my Mac OS X Server (10.6) but when I read about the mobile accounts and it's synchronization features I got a little bit irritated what the differences between the two Services are. So where are the differences between a mobile account and a Time Machine Backup which is made over the network? Can the synchronized mobile Account be backup to an external Harddisk, if yes, how?

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• Where is the network connection enabled/disabled setting stored?

  - by minerj

  I have an Amazon EC2 instance of Windows Server 2008 where some genius managed to disable the network connection so that the instance is now isolated in its own little universe. I can shut down the instance and edit the "C:\" drive volume by attaching it to another running instance. This is equivalent to removing the system drive from a dead machine and attaching it to another computer to edit the files. Question: Where is the network connection enabled / disabled setting stored? If I can tweak this setting by editing the registry or a file to re-enable the network connection, I can then resurrect my Amazon server.

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• What cable to connect Inspiron 1720 to HDMI TV?

  - by Bernhard Hofmann

  Hi I'm a little confused to say the least when it comes to video formats and protocols. I'd like to view my laptop output on my HD TV. The TV has HDMI, S-Video, and RCA inputs. My laptop has a VGA female port on the side for driving a 2nd monitor, and an S-VHS output at the back. No, it has no DVI, which I've heard is a poor decision from DELL, and even poorer decision on my part to buy it. Can I get true HD output from this to my TV? What cable do I need, or would I need a converter? Any other suggestions are also welcome, such as how to get something close to HD on my TV. Thanks! Bernhard

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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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• DDoS attacks to PBX

  - by user316687

  I'm wondering if DDOS attacks to PBX or telecommunications systems is possibe real. According to this links: http://threatpost.com/en_us/blogs/firm-sees-more-ddos-attacks-aimed-telecom-systems-073112 http://news.softpedia.com/news/DDOS-Attacks-Against-Telecom-Systems-Cost-as-Little-as-20-16-Per-Day-284875.shtml it is possible. There are DDOs attacks to web servers, which mostly give them so much concurrent loads or connections that service get unavailable. Many government or non-profit organizations that suffered this kind of attacks, eventually could choose to shutdown their web server and that's it, waiting for these attacks to end. For a DDOs attacks to PBX, I imagine that it would result in telephones getting busy or ringing all the time unstoppably. This kind of attack could really damage any kind organization. Is it possible to do that or are we just in the beginnings?

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• Importing CSV files into Excel using a macro

  - by B-Ballerl

  I'm want to develop a macro where in my excel worksheet I type a date in a specific cell, and the macro will go into a folder containing text files. A database you could say. I want it to find the corresponding file name which is written as a date, put the data through a delimeter, and paste into the cells directly below where I orginally put the date. I'm very new with Macro's so if you must answer try to be a little more simple than you might usually be. Thanks In Advance if anyone can Help!! Update The folder will always be in the same place and the text files will all be formatted DD_MM_YYYY. And there cells below will always be empty Some Pictures to Make what I'm asking, easier to figure out. View the Image in a new tab for better res.

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• Is it dangerous to use both Sky Drive and Dropbox?

  - by Matthew

  I'd like to experiment with Sky Drive, but keep using my Dropbox account unless I decide to switch. This answer gives instructions for how to set up both at the same time, but I'm a little worried about data integrity. Is there any danger involved here? Will Sky Drive and Dropbox fight each other? Note that I am using Sky Drive/Dropbox on multiple computers, so they will be writing data as well as reading it. Is this safe? Edit: I can use them with different folders if necessary, but I'm particularly curious what would happen if they sync from the same folder.

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• Blue screen MEMORY_MANAGEMENT on Windows 7 Enterprise

  - by Lucas Kauffman

  I'm running a machine (MSI GT 70) with 32 GB ram as a mobile server. It seems that at random points in time it will BSOD with as message MEMORY_MANAGEMENT. So the first thing I did was do several memtests, but they did not give away any defective modules. I'm a bit clueless at the moment as it just seems to happen at random points in time giving me little or no indication of what might be wrong. I opened up the dumps with BSODviewer, they just seem to point to the windows kernel. I tried reinstalling Windows but the behavior remains the same.

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• Change the white background in webpages to another color

  - by Bruce Connor

  I'm currently using a dark theme in firefox. It looks really nice, but many webpages use a plain white background. The resulting contrast is a little unpleasant and sometimes hurts the eye when I switch from a dark tab to a white tab. Is there a way to make firefox replace white backgrouns everywhere with some other color (light gray, for instance)? It could be a Stylish script, a userChrome.css hack, or anything that works (preferably as light as possible). To make myself clear: after I achieve my objective, the background color whenever I visit the super-user site should be light-grey instead of white, and the same should happen to any other site with a white background (google sites, tech crunch, etc). Is there a way to do that?

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• Troubleshooting "connection reset" error on my linux server

  - by Chris

  I fervently hope someone here can help me with the problem I am experiencing. I am a programmer, and I have very little understanding of linux sysadmin terminology/concepts. I am attempting to troubleshoot a problem with my website. It is a Facebook app, and whenever I try to connect using Chrome, I get an error stating that the "connection was reset". I have been Googling for four days straight trying to find a solution to this problem, but no joy. A big part of the problem is that I do not understand the terminology being employed, and the output from many of the tools referenced is likewise indecipherable to me. I am running a VPS with CentOS 5, apache, PHP, and MySQL. I could spam this post with a ton of information from my iptables, apache, etc but if anyone needs information from my server, please let me know how to get it, and I will post it here. Thank you for any help you can offer!

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• How can I improve performance over SMB/CIFS for an application that has poor write speeds?

  - by Jeremy

  I have a third party application that reads several large files and generates a third large file. Its performance is quite good when the generated file is stored on "local storage", i.e. either a direct attached or iSCSI-based disk. The source files that are read can be stored remotely on our NAS and accessed via SMB with little effect on performance. However, if we attempt to write the target file to any kind of SMB/CIFS share (Samba or Windows Server) the performance drops almost ten-fold. This is unacceptably slow in our case. Writing files to network shares is not otherwise slow. I can copy large files to SMB shares and get great performance - near what I would expect is possible given the disks and network in question. I have a theory that this application's problem with SMB shares has something to do with a lack of write caching over the share and perhaps lots of network roundtrips. Is this possible and is there anything that can be done about it?

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• How Can I Not Show the Green Download Progress Display for Google Chrome in the Windows Taskbar?

  - by theMaxx

  I use Windows 7 and when downloading with Google Chrome the icon in the taskbar has a partially green background that indicates the download progress. Is there a way to not show this green status indicator in the Windows taskbar? I find it distracting when I am working. It seems there is no option to disable it. I do not want to hide the icon entirely but rather just not show the green background. Is this possible? I have searched for an option or setting to change this but there seems to be surprisingly little information about this on the internet. I imagine that others would also appreciate it if there is some solution for this. Thanks.

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• How can I debug Cisco Firewall ASA "Dispatch Unit" very high CPU utilisation from ASDM?

  - by Andy

  I have recently had my first firewall installed so I am very new to this whole situation. I am finding that Dispatch unit is becoming overloaded and it would appear to be the reason I get serious bouts of lag on my server. The firewall has had little configuration apart from me blocking all the ports in "Access Rules" and allowing only the ones the server needs and from where it needs them. I guess what I am after is assistance with locating the issues causing "Dispatch Unit" to take up all the CPU Regards --Edit-- With ASDM statistics I found that packets inbound (peak of 70-100k/sec from <1k/sec normal), traffic inbound (peak of 40-50kbits/sec from <1kbits/sec normal) and CPU all peak at the same time so I am pretty sure it is an attack of some sort but as a beginner with ASA I am not sure how to resolve

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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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• MySQL wants a password but it's empty

  - by gAMBOOKa

  mysql -uroot ERROR 1045 (28000): Access denied for user 'root'@'localhost' (using password: YES) mysql -uroot -p Enter password: <-- leave blank, hit enter without entering anything mysql> <-- i am logged in NOTE: This is a new mysql instance installation So if the password is blank, why won't it log me in without a -p flag? For a little clarification. I am running into this issue when attempting to change the password using a script: We're using a bash script to do that. mysqladmin -u root password abc wouldn't work (access denied) mysqladmin -u root -p password abc cannot be used because it prompts for a password and we need to automate this. mysqladmin -u root -p'' password abc is not working either

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• Windows 7: "localhost name resolution is handled within DNS itself". Why?

  - by Portman

  After 18 years of hosts files on Windows, I was surprised to see this in Windows 7 build 7100: # localhost name resolution is handled within DNS itself. # 127.0.0.1 localhost # ::1 localhost Does anyone know why this change was introduced? I'm sure there has to be some kind reasoning. And, perhaps more relevantly, are there any other important DNS-related changes in Windows 7? It scares me a little bit to think that something as fundamental as localhost name resolution has changed... makes me think there are other subtle but important changes to the DNS stack in Win7.

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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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• Help getting iPython to run from the OSX terminal.

  - by Azfar

  Hi there, Got a heads up from stackoverflow.com to ask the question here. I'm going through the matplotlib documentation and prepared to use the iPython interactive Python shell with ipython -pylab. However I get this: MBP:~ Me$ ipython -pylab -bash: ipython: command not found Did I fail to install iPython? I used easy_install as advised. Any ideas? Update Thought I'd just say that I found the iPython "executable" in /opt/local/Library/Frameworks/Python.framework/Versions/2.6/bin after doing a Spotlight search. Still a little confused as to what to do.

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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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• Merging Two Git Repositories with branches

  - by Joel K

  I realize there's a Stack Overflow question: http://stackoverflow.com/questions/277029/combining-multiple-git-repositories But I haven't found git-stitch-repo to be quite the tool I'm looking for. I also consider this more of a sysadmin task. How do I take code from an external repository and combine it with code from a primary repository while maintaining history/diffs and branches. Use case: An outside development team using SVN has ported to git and now wants to 'merge' their code in to the main company's git repo. I've tried subtree merges, but I lose the history. I've tried git-stitch-repo, but that process results in an entirely new repo that's missing branches. I just want to slot in some outside code as a sub-directory in our current main repo with as little disruption as possible and while maintaining the other project's history. Any success stories out there?

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• How do I change the NGINX user?

  - by danielfaraday

  I have a PHP script that creates a directory and outputs an image to the directory. This was working just fine under Apache but we recently decided to switch to NGINX to make more use of our limited RAM. I'm using the PHP mkdir() command to create the directory: mkdir(dirname($path['image']['server']), 0755, true); After the switch to NGINX, I'm getting the following warning: Warning: mkdir(): Permission denied in ... I've already checked all the permissions of the parent directories, so I've determined that I probably need to change the NGINX or PHP-FPM 'user' but I'm not sure how to do that (I never had to specify user permissions for APACHE). I can't seem to find much information on this. Any help would be great! (Note: Besides this little hang-up, the switch to NGINX has been pretty seamless; I'm using it for the first time and it literally only took about 10 minutes to get up and running with NGINX. Now I'm just ironing out the kinks.)

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• Allow different headers on different servers using WFF

  - by Brian

  We've got multiple web servers configured in a cluster using Microsoft's Web Farm Framework. One of the things I like to do to help debugging is to create a header in IIS that identifies the server that handled the request. Unfortunately when I try to do this, WFF sets the headers to the same value on all the servers. Is there a way around this? I tried looking into using skipDirectives, but I can't find any documentation on it (other than a little bit showing how to use it to skip directories and bindings). If there is documentation on this, please link to it! I would like to be able to read up more on it in case I need to do other things as well.

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• Windows7 - Mouse not working, all windows + tray act like inactive

  - by Teo.sk

  I have this problem for two days now. First when it happened, logging out and back in helped, but now this occurs right after booting. I cannot activate any window by clicking into it, and also cannot minimalise, or close it with mouse. In few applications I cannot even interact with them with mouse (e.g. clicking on links in browser). I can scroll an active window with the trackball, and sometimes everything works normally for a little while. Everything works fine, when I use keyboard for this, I can resize, move, close windows with keyboard shortcuts, etc. I ran a complete Avast! scan, but it found nothing important. Also event viewer did not show any relevant errors. Here's a log from HijackThis if it helps anything.

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• ubuntu pptp connections from command line

  - by Ian R

  I'm using a lot of vpn connections daily for my work and I want to program a pptp dialer in python to ease my job a little bit by automating things. I usually go with network-manager-pptp to setup my connections but I would like to skip this gui tool and do it from the script. Something like a dialer. My question is. Can pptp connections be established using the command tools only? Also, where does network-manager-pptp saves its failes so I can take a look and see what configs it generates. Any help is much appreciated.

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