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• Managing self-updating Windows software in GPO-deployed packages

  - by Paul

  Being very new to Windows software distribution for a small network (<50 clients) I was wondering how software packages like Adobe's Reader or Java are handled. I can deploy them as MSIs via group policies just fine. But what happens when the client software detects updates? What are common ways to handle this? Disable the software's autoupdate feature? Redeploy when the admin detects a new version? Just fishing for knowledge, thanks for any hint.

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• Block IPs if they access a resource

  - by Victor Oliva

  I own a server that it's costantly being attacked by scripts (that try to access to phpMyAdmin's setup file's and stuff like this). I've heard that many people get this kinds of attacks, but I'm starting to worry since they are getting more common (last month I got 2 attacks, and on november 7th there are 3 attempts already (1st, 4th and 6th of nov). I'm not really concerned about it, since I don't have any database. All the info i have on that server is absolutely public, but I'm worried about that attacking-rate increase. So I thought I could -temporarily- block the IPs that come from those attackers, or something that could make my server ignore requests that ask for phpMyAdmin, pma, xamp, etc. Is there something like that? my server is Linux+Apache+Php

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• Ubuntu can't install an older version of a package

  - by Trevor Newhook

  When I try to do an apt-get install, I keep getting an error: Depends: libgtk-3-common (= 3.4.1-0ubuntu1) but 3.4.2-0ubuntu0.4 is to be installed when I run sudo apt-get -f install, I get several dpkg: warning: files list file for package 'XXX' missing, assuming package has no files currently installed. then Preparing to replace libgtk-3-bin 3.4.1-0ubuntu1 (using .../libgtk-3-bin_3.4.2-0ubuntu0.4_i386.deb) ... Adding 'diversion of /usr/sbin/update-icon-caches to /usr/sbin/update-icon-caches.gtk2 by libgtk-3-bin' dpkg-divert: error: rename involves overwriting `/usr/sbin/update-icon-caches.gtk2' with different file `/usr/sbin/update-icon-caches', not allowed dpkg: error processing /var/cache/apt/archives/libgtk-3-bin_3.4.2-0ubuntu0.4_i386.deb (--unpack): subprocess new pre-installation script returned error exit status 2 Errors were encountered while processing: /var/cache/apt/archives/libgtk-3-bin_3.4.2-0ubuntu0.4_i386.deb E: Sub-process /usr/bin/dpkg returned an error code (1) I'm not sure why it's complaining about a newer version of a package, but any help would be appreciated

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• How do I make a partition usable in windows 7 after power loss?

  - by user1306322

  A few days ago I was installing some software and power went down. When I rebooted, the partition to which the software was installed was not accessible. Disk manager shows that it's there, but doesn't show type, if it's healthy and gives me an error when trying to read its properties. The problem seems to be common after power loss, people recommend solving it by assigning a letter to the partition via DiskPart utility, but partition isn't listed in my case. I can access that partition with bootable OSs (like bootable Ubuntu or winXP) and all the files are there, but another installation of Windows 7 gives me the same results as the original. I could just copy all data to another disk if there was enough space, but unfortunately the size of partition I'm having problems with is 1.1TB. How do I regain access to the partition in my original Windows 7 installation without losing any data?

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• FTP server (vsftpd) with webgui

  - by manutenfruits

  I want to build a file server to make users able to upload and download mostly multimedia, but also common files. Right now I have an Arch installation with vsftpd and I'm about to install miniDLNA for multimedia sharing. The only problem is that FTP doesn't seem to fit my needs, because almost always makes the users need a client such as FileZilla to make the server friendly. I have been looking for a web frontend for vsftp but apart from management interfaces there's nothing. I need a frontend accessible from a browser through which users can navigate throught the folders in an easier and more elegant way than the plain FTP display that browsers make by default. It should be able to let users upload files and, as an awesome extra, let them play the multimedia directly on the browser. For this, I am willing to dump FTP if needed, I've heard about HTTP File Servers but don't know too much about it. I could code everything myself, but there's gotta be something out there already.

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• Transparently cache files from a network drive in Linux

  - by Vadim

  We have a Linux server that reads files from a network drive and processes them. In a common scenario, a user will log in and access the same files over and over again. The size of the files varies but the larger ones can be around 50+ Mb. The files seldom change. I was wondering if it's somehow possible to transparently cache the files. I don't want (or can) change the program the reads the files, nor do I control the protocol by which the files are accessed. I just want something to detect that I access a certain path, copy the file locally (if needed) and then read the file from the local drive. I've read about Bcache but can't figure out if it's what I need. Do you have any suggestions? Thanks, Vadim.

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• Highly robust and scalable search server needed for managing and analyze files

  - by ChrisBenyamin

  Hi everybody, I am looking for a professional search server system with functionality, like e.g. solr http://lucene.apache.org/solr/ holds. Place of action should be a centralized location, whereon many hosts would request data. Furthermore the system should be extensible for implementing statistical procedures. (e.g. a kind of heatmap (or common diagrams) of a (or more) file(s) (which has a guid), that is spread on different hosts.) This software doesn't have to be opensource. thanks. chris

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• What is the best filesystem for storing thousands of files in one dictionary-like id-blob structure?

  - by Ivan

  What filesystem best suits my needs? Thousands or even millions of files in one directory. Good (ext4 & ntfs level or close) reliability (incl. fault tolerance) and access speed. No directories actually needed, as well as descriptive names, just a dictionary-like structure of id-blob pairs is all I need. No links, attributes, and access control features needed. The purpose is a file storage where all the metadata (data describing all the facts about what the file actually contains and who can access it) is stored in a MySQL database. As far as I know common filesystems like NTFS and ext3/4 can go dead-slow if there are too many files placed in one directory - that's why I ask.

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• Why and when to use Personal Package Archives (PPA)

  - by reversiblean

  Do you prefer PPA over core repositories and why or why not? Are there any compatibility issues when using a PPA as there are different distro releases but just one common repository? Where would you normally search for application repositories that are not in the core repositories? I.e., I was about to install Gnome Flashback in Ubuntu 12.04 which is the new classic version of earlier fallback but found that it's only available as a ppa-release and was wondering which one to choose between the two; fallback or newer flashback.

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• Intel RAID0 on Windows 8 not Displaying Correct Media Type

  - by kobaltz

  I have my primary C Drive which consists of 2 Intel 120GB SSD Drives in a RAID0. I have a clean install of Windows 8 Pro, latest MEI software, latest RST software, latest Intel Toolbox. Prior to this I had installed Windows 8 Pro as an upgrade. When I went into the Optimize Drives while in the Upgrade installation, it showed the Media Types as Solid State Drives. However, now since I am in a brand new install, it is showing the Media Type as Hard Disk Drive. I am worried about this because of the trim not working properly. Before when in the upgrade, it showed SSD as the media type and the Optimize option would perform a manual trim. Unfortunately, my search credentials on Google are so common to many other things (ie Raid0, SSD, Windows 8, Media Type) that all I am finding are useless topics. Before, (found on random site) it showed the Media Type as below

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• Lenovo Thinkpad SL500 and Keyboard Flex problem.

  - by nitbuntu

  I was testing a Thinkpad SL500 system at a local store and found the flexing of the keyboard to be quite a deal breaker for me; it was flexing quite prominently with very little pressure applied. I find it hard to believe that a business grade laptop should have this problem as a consumer grade laptop that I own (Dell Inspiron 1526) has very little keyboard flex and one needs to apply a lot of pressure to notice it. Is this a common issue with the SL500 or SL510 models of Thinkpad laptops? What about the Thinkpad R500, does this also suffer from similar issues?

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• Sharing Windows Folders on a Network... other PCs see but can't access

  - by John

  I'm soooo tired of network setup issues. All I want to do is share a folder and all it's sub-folders so other PCs on my network can view and change this remote location. Why is it that setting a dir to "shared" doesn't actually make it usable in any way? The other PC can see the fodler but is unable to actually open it and look inside. It seems every time I want to do this I go through some semi-random process of right clicking the folder and enabling sharing, then looking in the folder properties to add permissions and other sharing... and then I end up with some folders working but others will randomly block permission on certain files or sub-dirs. I have 5 PCs in my local testing network and I cannot believe it should be this complicated... where is the simple "make this folder work on the network" option?! I have a mixture of XP, Vista & W7 machines, but this seems common to all of them.

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• What is a good php 5.3.x shared hosting company?

  - by Abba Bryant

  I am looking for the best shared host - features-wise, not price - for hosting CakePHP and Lithium applications. I would like to be able to use MongoDB / MySQL as well as have access to some of the more common PHP extensions like MCrypt, etc. I currently use dreamhost with a custom PHP 5.3.x build on my sandbox domain - Please do not suggest this as a solution. I want to move away from managing my own PHP build if possible. I need ssh access but email support isn't as big of an issue.

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• In 2011, what are the reasons to stick with plain text mails?

  - by Aaron Digulla

  People entering college today have never known a world without an Internet. HTML was invented 1980, that's more than thirty years ago or 1.5 generations. But plain text mails are still common despite all their problems: Encoding issues Wrapped code segments No links No way to use the "a picture says more than a thousand words" lore Most of the security risks are now handled by the underlying browser engine and smart settings like: Don't allow JavaScript in mails Don't execute attachments Don't download external resources (like web bugs) On top of that, only very few people still read mail only in command line tools like Mutt. Knowing Mutt myself, I'm pretty sure you can configure it to display HTML mail with, say, w3m. On top of that, most HTML mail capable clients send two versions of the mail (pure text with an HTML attachment). I'm not sure if there are any people left on the planet which still use a 56kbit modem to access their mail accounts. So what reasons are left to stick with plain text mails in 2011?

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• Symfony sfControlPanel 500 error only when executing 'tasks'

  - by rrlange

  As a bit of background, I recently had to restore a Symfony site from backup. Ever since the 'successful' restore, I am running into an exception when trying to execute a(ny) task via the web-based sfControlPanel: Unable to find PHP executable stack trace * at sfToolkit::getPhpCli() in SF_ROOT_DIR/plugins/sfControlPanelPlugin/modules/sfControlPanel/actions/actions.class.php line 93 FYI: symfony version 1.0.6 PHP 5.2.6 (cli) (built: May 2 2008 16:06:40) Apache/2.2.3 CentOS 5.* Thank you very much for any and all suggestions as to what might be amiss. Addendum: I neglected to mention that I can the frontend app (and certain backend apps) perfectly fine via the web. I am also able to run common tasks via the command line (cc etc.).

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• NGINX downloads text file instead of displaying it

  - by Hoang Lam

  I have Nginx installed with the following nginx.conf: user nginx; worker_processes 1; error_log /var/log/nginx/error.log; pid /var/run/nginx.pid; events { worker_connections 1024; } http { include /etc/nginx/mime.types; log_format main '$remote_addr - $remote_user [$time_local] "$request" ' '$status $body_bytes_sent "$http_referer" ' '"$http_user_agent" "$http_x_forwarded_for"'; access_log /vagrant/access.log main; sendfile on; keepalive_timeout 65; include /etc/nginx/conf.d/*.conf; } Everytime I tried the URL of any text files (not PHP, it works fine), the browser asks to download it. Common measure such as disabling default-type octet/stream fails.

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• Windows sometimes minimizes game and shows the desktop?

  - by Gary

  For some reason, every once in a while when I'm playing a full-screen game in Windows 7, the game will minimize and focus will be given to the Desktop. I don't know what does this because no other problem appears to activate (nothing new in the taskbar or system tray appears). This occurs in a variety of games, from a variety of publishers, so it's definitely not the game that's having the problem. When this occurs, I can simply click on the game to go back to it, but it's obviously still quite annoying. Anyone know what's going on here? Is this a common occurrence with a simple fix? Thanks in advance!

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• MSSQL: Choice of service accounts

  - by Troels Arvin

  When installing MS SQL Server 2008, one needs to associate a service account with the installation (possibly even several accounts, one for the SQL Server Agent, one for Analysis Services, ..., but let's leave that for the case of simplicity). The service account may be local account, or a Windows domain account. If a domain account is used: Can MSSQL start, if connectivity to the domain controllers is temporarily down? If the answer is yes: Should each DBMS instance on each server have a separate account, or does it make sense to use a particular "MSSQL" domain account on all MSSQL-installations in the organization? If separate accounts are used for each instance on each server: Does it make sense to create a special MSSQL security group in the domain and place all the MSSQL service accounts in that group, perhaps to ease replication, etc? Is there a common, generally accepted naming convention for MSSQL service account(s)?

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• Firefox keyboard shortcuts to menu items / add-on functions

  - by Cel

  At the moment I'm using context menus a lot to access commands in Firefox, but I would like to replace this repetitive clicking and searching with keyboard shortcuts for the common tasks that I perform. How to assign keys to add-on functionality? E.g. I use Close Other Tabs from Tab Mix Plus a lot - but I could not find any add-on that allows me to create a key combination for it e.g. Ctrl Alt Shift F4? My search did yield Key config, but this extension does not allow mapping to add-on functions I thought Menu Editor might be relevant, as you can change menus with it, and re-arrange even add-on items A rather demanding solution here, which seems to require re-compiling some jar files Customizing menu shortcuts in Firefox

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• Yahoo toolbar and local sites (e.g. Intranet)

  - by Klaptrap

  We have local sites running on IIS in regular MS Windows network. User base has IE, FireFox and Chrome. Local sites are isolated by host headers and DNS record created for the common IP accordingly. This is a regular set-up. Users without Yahoo Toolbar type http://intranet and the sites resolves. Users with Yahoo toolbar type http://intranet and the toolbar goes off to search for this site in public domain. This is irrespective to whether the address is typed into the browser address bar or the toolbar. All versions of toolbar and IE are affected. I cannot see a setting on the toolbar to switch this "irritating" behaviour off and simply un-installing the toolbar is not an option. Any ideas?

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• Prevalence of WMI enabled in real Windows Server networks

  - by TripleAntigen

  Hi I would like to get opinions from systems administrators, on how common it is that WMI functionality is actually enabled in corporate networks. I am writing an enterprise network application that could benefit from the features of WMI, but I noted after creating a virtual network based on Server 2008 R2, that WMI seems to be disabled by default. Do systems admins in practical corporate networks enable WMI? Or is it usually disabled for security purposes? What is it used for if it is enabled? Thanks for any advice! MORE INFO: I should have said, I really need to be able to query the workstations but I understand that by default the WMI ports on Win7 and XP firewalls (at least) are disallowed, so do you use some sort of group policy or other method to leave a hole open for WMI on the workstations? Or is just the servers that are of interest? Thanks for the responses!!

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• Installing Java 1.5 on Ubuntu?

  - by StackedCrooked

  I already have Java 1.6, but I need to test something with 1.5. I have downloaded the .bin file from http://java.sun.com/javase/downloads/index_jdk5.jsp using the Sun Download Manager. Now I want to create a deb file from this bin file: $ fakeroot make-jpkg java_ee_sdk-5_01-linux.bin Creating temporary directory: /tmp/make-jpkg.Zpm1Y7LbZ0 Loading plugins: blackdown-j2re.sh blackdown-j2sdk.sh common.sh ibm-j2re.sh ibm-j2sdk.sh j2re.sh j2sdk-doc.sh j2sdk.sh j2se.sh sun-j2re.sh sun-j2sdk-doc.sh sun-j2sdk.sh Detected Debian build architecture: i386 Detected Debian GNU type: i486-linux-gnu No matching plugin was found. Removing temporary directory: done How can I fix the "No matching plugin was found." error? Update I downloaded jdk-1_5_0_22-linux-amd64.bin from the archive page and ran Linux installer. It works fine.

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• Windows 8 gives "system thread exception not handled" after update

  - by Shobhit

  I have a 64-bit dell laptop which I recently upgraded from Windows 7 to Windows 8. Since then, it's creating a havoc in my life. The metro apps are not working; the system crashes once in a while and none of my games are running because I don't have the correct drivers for my graphics card (ATI 5000 series). Some days back, Windows downloaded an update and prompted me to restart. After that day, whenever I log in and fire up my desktop, I get all kinds of blue screen errors. The most common one looks something like this: - SYSTEM_THREAD_EXCEPTION_NOT_HANDLED. Please help me with how I can fix this, optionally how to go back to windows 7. Thanks.

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• Prevent member of administrator group loging in via Remote Desktop

  - by Chris J

  In order to support some build processes on our Server 2003 development servers, we require a common user account that has administrative privs. Unfortuantly, this also means that anyone that knows the password can also gain admin privs on a server. Assume that trying to keep the password secret is a failed exercise. Developers that need admin privs already have admin privs so should be able to log in as themselves. So the question is a simple one: is there anything I can configure to prevent people (ab)using the account to gain administrator on servers they shouldn't have administrator on? I'm aware that devs could disable anything that is put in place, but that's then down to process and auditing to track and manage. I don't mind where or how: it can be via the local security policy, group policy, a batch file executed in the user's profile, or something else.

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• How to keep TightVNC client on Windows XP alive when connected to OS X?

  - by Craig

  I'm using TightVNC on my Windows XP workstations to connect to a remote OS X box (10.5.x) using OS X's VNC support. I've noticed that the TightVNC will become unresponsive after a period of inactivity. Is this a common issue? Restarting TightVNC solves the problem, but can be a bit annoying. Is there a solution to this? I don't suppose copy & paste between the two systems can be made to work?

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