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• Yum through http proxy

  - by eodchop

  I have several Fedora 13 servers that have to connect through an http proxy for yum updates. All port 80 traffic has to be routed through this proxy. I have setup the proxy server in the network settings GUI. I can browse the internet just fine. I have also setup my proxy information in /etc/yum.conf as follows: proxy=http:proxy.largecorp.corp/accelerated_pac_base.pac proxy_user=user proxy_password=password I then added the export HTTP_PROXY="http:proxy.largecorp.corp/accelerated_pac_base.pac" to /etc/bashrc and sourced the file. When i run yum update: Loaded plugins:presto, refresh-packagekit Error: Cannot retrieve repository metadata (repomd.xml) fro repository: fedora. Please verify its path and try again. All of the repo urls are the defaults, as this is a fresh install.

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• Authenticated proxy in Windows command prompt

  - by tlvince

  My Internet access is delivered through an authenticated proxy. This is setup correctly in the "Internet Options" control panel applet and all browsing/GUI apps work fine. For cmd, proxy settings are typically set by exporting http_proxy. The applications I'm trying to use are git and Putty's pscp.exe. I've tried the following syntax to no avail: set http_proxy=http://username:[email protected]:port/ I've also experimented with Netsh.exe and ProxyCfg.exe with no luck. How does one configure an authenticated proxy in the Windows command prompt?

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• Remotely Managing Storage on Hyper-V 2012 Core

  - by Vazgen

  I have a core Hyper-V Server 2012 that I am remotely managing from a Windows 8 client. I can connect in Hyper-V Manager, Server Manager, and MMC. However, I don't understand how I can manage the physical hard drive (for ex, deleting vhdx files, creating folders, etc) from my Windows 8 client. I tried to attach the remote share as follows: q: \\MyServer\c$ It said command completed successfully, but I don't see the drive on my client's Explorer. I can get to it in cmd.exe on the client but how can I manage it in a GUI? explorer q: Throws error:

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• Sharing files between centOS on virtualbox and windows 7 as the host

  - by Wasswa Samuel

  I have centOS 5.5 installed on virtual box it has no GUI so every thing is command based. I want to make a folder in centOS which i can share with my windows 7 host OS such that i can send files to and fro seamlessly. I am new to linux and i managed to install samba. I looked up some tips on net but i ended up getting confused and none of them worked. Can someone explain to me how i can do this in a straight forward way from how i can configure samba to how i can mount the folder such that it can be seen on the host operating system. I am completely lost.please help.

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• Gnome+NX clipboard behavior; auto-copy on select?

  - by threecheeseopera

  I am having issues with the Gnome(/Linux/Debian+Ubuntu) clipboard when connected remotely; it's default behavior appears to be to automatically add text to a clipboard buffer when that text is selected. This is not usually a problem, until I need to log into one of these systems remotely (w/ GUI), and attempt to use a shared clipboard. If I 'copy' text on the local machine (destined to replace some text on the remote machine), that copy buffer is overwritten as soon as I select the text on the remote machine to be replaced. Is there some way around this? It sort of drives me nuts. Thanks! UPDATE: This is really an NX server issue; X11 supports multiple clipboards ("selections": clipboard, primary. secondary; see this excellent article) that behave differently, and it appears that my problem is related to how NX server translates this over to the host machine.

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• VirtualBox VRDP server doesn't start on Windows

  - by quanticle

  I've installed VirtualBox 4.1.8 on a Windows 7 Ultimate host system. I've set up an Arch Linux VM that starts just fine from the VirtualBox GUI. However, when I try to start it with VBoxHeadless --startvm <vm_name> it prints the following Oracle VM VirtualBox Headless Interface 4.1.6 (C) 2008-2011 Oracle Corporation All rights reserved. and then it just sits there. I never get the VRDE server is listening on port 3389 message like when I start a headless VM on a Linux machine. Do I have to configure anything else in order to get the VRDE server to run?

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• What are the major distinctions between PureDarwin and FreeBSD?

  - by ??????? ???????????

  I'm looking to install a different unix on my workstation to acquire some perspective on GNU/Linux and out of curiosity. I have narrowed my options down to these two. The reason for considering PureDarwin is because I have very little experience with Apple's products. So my question is will installing and using PureDarwin give me a closer understanding of OSX than would running FreeBSD? What I have in mind are day to day routines like adding users, installing software and configuring various aspects of the underlying OS. I know that the GUI of OSX would not be available, but that is not a concern. As a secondary, less important question, can I buy OS X in the apple store and run it in a virtual machine or does that violate their EULA?

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• Scroll bar for vim(curses-based one, not gvim)?

  - by xiaq

  As a Linux user, I have been quite comfortable with CLI and TUI tools, but I miss the little scrollbar present in almost every GUI program. It has always been easier for me to know how long the file is and where I am from the scrollbar instead of "9752 lines, 24%". What I expect is a ASCII scrollbar that looks like | | | | # # # | | | and I can configure to appear on the left or right (and if on the left, the relative position to line numbers and fold marks). Is there already a Vim plugin to do this, or how can I write my own one? Vim's plugin framework doesn't seem to support such UI modifications directly.

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• Are two periods allowed in the local-part of an email address?

  - by Mike B

  A third-party email gateway relay is refusing to process a message for an email address we're sending to. The address is in the format of [email protected] (note the two periods). Is this allowed by RFC guidelines? RFC 2822 seems to object to this in section 3.4.1: The locally interpreted string is either a quoted-string or a dot-atom. If the string can be represented as a dot-atom (that is, it contains no characters other than atext characters or "." surrounded by atext characters), then the dot-atom form SHOULD be used and the quoted-string form SHOULD NOT be used. Comments and folding white space SHOULD NOT be used around the "@" in the addr-spec. Furthermore, in that same section, it references this: addr-spec = local-part "@" domain local-part = dot-atom / quoted-string / obs-local-part I interpret this to mean that the localpart can have content separated by dots but there cannot be two successive dots, and it cannot start or end with a dot. That being said, I'm not familiar with dot-atom syntax so maybe I'm mistaken here. Can someone please confirm and explain?

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• Make emacs aware of files externally moved/renamed on Mac os x

  - by Gyom

  I've been using mac os x for several years, and I realize that I've now gotten used to all applications transparently "following" files as I rename or move them (either via mv on the console or within the Finder's GUI), and emacs is pretty much the only program that does not. This is a shame though, because most of my time in front a screen is actually spent in front of emacs :-) Would anyone have any ideas or pointers about what measures I could take to get that behaviour in emacs ? (yes I know this is "impossible" to acheive in general, but when I just rename a simple file, or move it to a directory nearby, it's a shame I have to close/reopen it for emacs to notice. oh and no, I'm not going to use 'dired' as a file manager :-)

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• Backup software for Ubuntu - which one?

  - by Industrial

  Hi everybody, I have spent some time testing out different backup solutions for my small home office during the last weeks, but still haven't found anything that have been working out too well yet. We can definitely work with a non-GUI script if that's what it takes, if only the requirements are fulfilled: Upload to Amazon S3 Europe. We get unbelievable slow uploading speed to US, so uploading 400+ GB of data will not be happening anytime this year... Incremental backups - only changed files shall be uploaded or we will have a big bill from Amazon in the end of each month.. Files should not be uploaded in one big per-folder archive. This is not efficient at all, since if we change one file in a subfolder, a huge two-digit GB sized file would have to be uploaded during next backup. Not good for economy again, or traffic overhead on our internet connection. What options are available to us? Thanks!

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• recommendations for disk -> usb backup software

  - by TWood

  Recently I lost a tape drive and rather than repair the unit I decided that backups to usb external drives would be cheaper. In the past I used NTBackup and figured that the new server 2008 R2 backup wbadmin utility would be able to meet my needs. It does not. I am looking for recommendations for another utility that i can use. My requirements are: -backup local disk in addition to files on a network share -scheduled task integration (or some gui options to manage schedule) -non-incremental backup Basically I could do this all with WBAdmin if it just supported network shares. I saw some links that described attaching a vhd pointed to a network share but I am trying to avoid hacks like that. If i'm going to do all that trouble I'd just as well manually copy the directories over myself. If anyone has any software suggestions that might make this task easier for me let me know please. I am considering BackupAssist but can only find a few reviews here and there for it.

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• Alternative to Canned Response in Gmail

  - by Stuck

  I have a mailbox that i share with a colleague. We want a good way to store templates for e-mails that we send often like answers to common questions and so on. We have tried to use Canned Response to store this templates but that GUI really sucks and is kind of unusable for other things then signatures and stuff. Is anyone aware of a good alternative to this? We need to be able to share this templates. So it must be stored "in the cloud". We want "as easy access" as possible directly in gmail. A firefox plugin would be fine since we both use Firefox. We use both Mac and PC so the solution must be cross-platform. Anyone have any ideas on how to solve this?

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• Move and clone VirtualBox machines with filesystem commands

  - by mit

  I know of 2 ways to clone a VirtualBox machine on a linux host, one is by using the VirtualBox gui and exporting and re-importing as Appliance (in the file menu of VirtualBox). The other is by cloning only the virtual disk containers: VBoxManage clonevdi source.vdi target.vdi (Taken from http://forums.virtualbox.org/viewtopic.php?p=853#p858 ) I would have to create a new VM afterwards and use the cloned virtual disk. Is there a way I can just copy a virtual disk and the and do the rest by hand? I'd have to manually edit the ~/VirtualBox/VirtualBox.xml and insert a new disk and a new machine: Can I just make up UUIDs or how would this work? I would very much prefer this hardcore method of doing things as it allows me to freely and rapdily backup, restore, move or clone machines. Or ist there a better way to do this?

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• From where can I get "Python Launcher" for Mac OS X Lion?

  - by Phil

  I use a macbook (air) with OS X Lion on it. I have Python 2.7 installed already but I can't seem to find a "Python Launcher.app" anywhere on the system. I tried installing with with pip but it couldn't find anything to fetch. I tried searching on Google to find a downloader but my search yielded no results (for downloading). Where can I get this app? I have a folder with 20+ subfolders of GUI examples which in turn contain anywhere from 3 to 5 subfolders. I don't want to go through each within the terminal, would much rather launch these .py scrips from the finder. Thank you for your help.

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• Slow running Ubuntu 10.10 laptop

  - by user5978

  Hello everyone. I have a slow computer. When I click on an icon say Firefox it can take 10 seconds to load. when I minimize and maximize windows you can see it happening. I get "ghost" screens where you see the window outline of the box but nothing in it or it may be white. The laptop is two years old and has these specs: Intel core two duo 2.8GHZ CPU 4GB RAM 500GB HDD 512MB Nvidia 8600GT video Realtek HD audio What is going on and where should I start looking for issues? Ubuntu 10.10 was upgraded from 10.04LTS following the instructions from the Ubuntu Wiki and it was done through the update manager GUI, not the CLI. Thanks for the help.

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• Changing farm account in Sharepoint 2010

  - by user55709

  After changing the the farm account to a domain user account I get the following error when trying to access the Central Administration page: "Cannot connect to configuration database" After I realized the headache may not be worth it, I decided to a reinstall using the following SP user account guidelines: http://technet.microsoft.com/en-us/library/ee662513.aspx After getting everything up, I am getting an error when using the designated farm account under the Central Admin Website Manage Service Accounts: "Access denied" If it is the farm administrator, why would I not be able to manage service accounts? I am able to access the other part of the admin site. Also, when logging in with the farm account it lists me as a "system account" not the domain account which I used for log in. Am I missing something or is this normal behavior? Am I not suppose to login with the farm account? When I log in with the Setup account (also a domain account) I can access everything with no errors on the site. The only difference between the two accounts is one has local admin privileges on the Sharepoint farm server which is the setup account. if you notice those privileges are not necessary for the farm account according to the article cited.

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• Can a mapped network drive be reconnected from the command line?

  - by Stephen Jennings

  On a daily basis I find myself in the Windows command prompt needing to access a network drive that is mapped but disconnected. I have yet to find a command that will reconnect this drive without unmapping and remapping (which leads to a password guessing game, since I don't own these computers). I would also like to be able to script this so every night the drive is reconnected if it has become disconnected somehow. The fastest solution I currently have is to: Type "start." to open explorer, Alt-D to focus the address bar, type the drive letter I want and press enter, and wait for it to display the drive contents, then finally, close explorer and go back to the command prompt. I know it's a minor inconvenience, but I'm often doing this through a slow VNC or PCAnywhere connection where doing anything through GUI is awful, so I'm just wondering if there's a better solution.

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• X11 forwarding through SSH

  - by martinjlowm

  I have been playing around with X11 forwarding the past few hours and so far I've managed to forward my desktop pc's X Server to my laptop, using X11VNC as server and X2VNC as client. X2VNC uses Xinerama to provide a dual-screen-like behavior between my laptop and my desktop pc. It's actually really great! I know that most Linux systems run Xorg and desktop environments on TTY7. Therefore I was thinking, is it in any way possible to have the VNC-tunnel tied to it's own TTY? It would be great to be able to switch forth and back between two TTY's in order to choose which machine to manage. And I would like this approach more than using Xinerama or a GUI.

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• How can I view my remote desktop that is on a subnet

  - by Noremac

  I have my ubuntu machine at work and I'd like to use remote desktop to work from home. However the remote machine is on a subnet and not directly connected to the internet. I am able to remotely connect through ssh to a server, from which I then ssh to my remote machine. This has been beneficial, however I am currently working on a GUI application so just the command line doesn't work so well. Any ideas? I have tried using ssh with the -X flag on both sessions, but this doesn't work. I am trying to connect from Windows Vista through a Mac server (isn't it a great setup?).

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• Syncing 1TB+ to a iSCSI device, software needed

  - by mojah

  Hi, I need to sync a local disk to a iSCSI mount on Windows (server 2003), and I'm struggling to find software that's capable of doing so in a reasonable timeframe. Notes on the current 1TB disk: - 800GB currently in use - Contains a folder with several hundred thousand subfolders, which in turn have several thousand files, ... So I'm trying to find a piece of software that can handle such large filelists, and give me a good timeframe on when this will be copied. I've tried DeltaCopy (the rSync GUI client for Windows), but it's intolerably slow and doesn't provide me with a good estimate time remaining. DeltaCopy: http://www.aboutmyip.com/AboutMyXApp/DeltaCopy.jsp Does anyone know alternative software for Windows, that would do this well?

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• How do I recursively delete all files or folders whose names match a pattern in Windows?

  - by zylstra

  For the file example, I would like to delete all files matching .+?[a-f0-9]{4}.html (i.e. any html file ending in a four digit hexadecimal). So paged47c.html would be deleted, but page.html would remain. For the folder example, I would like to delete all folders matching .+?[A-Z]+ (i.e. any folder containing a capital letter). So some-folderSE93_89ds/ would be deleted, but some-folder/ would remain. I don't work much with the command line, but I could probably get an example involving "del" to work for me. Alternatively, is there a simple GUI program for Windows that would do this?

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• Linux servers in a (primarily) Windows (AD) environment

  - by HannesFostie

  When I arrived at my current position, our environment existed almost exclusively of Windows servers. However, I am a big fan of using Linux for certain applications, like the webgallery I was asked to set up, a simple SFTP server, Nagios for monitoring etc. I do fine setting these up, but not being the Linux expert, I am not sure how to properly join these servers to the domain and was therefor wondering what procedures or guidelines other people follow. We often use ping -a to quickly figure out the hostname of a certain server, but this does not seem to work for the linux machines, most likely because of the whole WINS/NetBios thing I assume. I just joined one server to the domain, but probably missed something cause it's not working even after a dnsflush. Next to that, the couple procedures I've found so far are pretty extensive and most of the time don't seem worth the time. Best case scenario, I download some kind of client (smbclient?), enter the domain name and maybe the server to use, supply an administrator password and that's it. Is that possible at all? Thanks

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• Replacing explorer.exe under Windows 7

  - by Whitey

  A bit of an odd request I gather, but for reasons too deep to go into detail here I need to replace my explorer.exe in the C:\Windows directory. I have tried doing it myself, through the GUI and command prompt (ran as administrator) but I get access denied. It seems that being an admin on your machine is not the highest permission level after all, and only Trusted Installer can modify the file. Does anybody know a way that works? I was about to boot into safe mode and try it but wanted to get some feedback before I do anything in-depth. Thanks.

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• I never really understood: what is Application Binary Interface (ABI)?

  - by claws

  I never clearly understood what is an ABI. I'm sorry for such a lengthy question. I just want to clearly understand things. Please don't point me to wiki article, If could understand it, I wouldn't be here posting such a lengthy post. This is my mindset about different interfaces: TV remote is an interface between user and TV. It is an existing entity but useless (doesn't provide any functionality) by itself. All the functionality for each of those buttons on the remote is implemented in the Television set. Interface: It is a "existing entity" layer between the functionality and consumer of that functionality. An, interface by itself is doesn't do anything. It just invokes the functionality lying behind. Now depending on who the user is there are different type of interfaces. Command Line Interface(CLI) commands are the existing entities, consumer is the user and functionality lies behind. functionality: my software functionality which solves some purpose to which we are describing this interface. existing entities: commands consumer: user Graphical User Interface(GUI) window,buttons etc.. are the existing entities, again consumer is the user and functionality lies behind. functionality: my software functionality which solves some purpose to which we are describing this interface. existing entities: window,buttons etc.. consumer: user Application Programming Interface(API) functions or to be more correct, interfaces (in interfaced based programming) are the existing entities, consumer here is another program not a user. and again functionality lies behind this layer. functionality: my software functionality which solves some purpose to which we are describing this interface. existing entities: functions, Interfaces(array of functions). consumer: another program/application. Application Binary Interface (ABI) Here is my problem starts. functionality: ??? existing entities: ??? consumer: ??? I've wrote few softwares in different languages and provided different kind of interfaces (CLI, GUI, API) but I'm not sure, if I ever, provided any ABI. http://en.wikipedia.org/wiki/Application_binary_interface says: ABIs cover details such as data type, size, and alignment; the calling convention, which controls how functions' arguments are passed and return values retrieved; the system call numbers and how an application should make system calls to the operating system; Other ABIs standardize details such as the C++ name mangling,[2] . exception propagation,[3] and calling convention between compilers on the same platform, but do not require cross-platform compatibility. Who needs these details? Please don't say, OS. I know assembly programming. I know how linking & loading works. I know what exactly happens inside. Where did C++ name mangling come in between? I thought we are talking at the binary level. Where did languages come in between? anyway, I've downloaded the [PDF] System V Application Binary Interface Edition 4.1 (1997-03-18) to see what exactly it contains. Well, most of it didn't make any sense. Why does it contain 2 chapters (4th & 5th) which describe the ELF file format.Infact, these are the only 2 significant chapters that specification. Rest of all the chapters "Processor Specific". Anyway, I thought that it is completely different topic. Please don't say that ELF file format specs are the ABI. It doesn't qualify to be Interface according to the definition. I know, since we are talking at such low level it must be very specific. But I'm not sure how is it "Instruction Set Architecture(ISA)" specific? Where can I find MS Window's ABI? So, these are the major queries that are bugging me.

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