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• Samba + Centos (Share not working)

  - by mplacona

  I've done this a few times already, but for some reason this time it's not working. I have a folder called ruby (root:root - 0777) on /home/placona I'm trying to see this folder from my WindowsXP box, but keep getting permission denied. I can see the global share though, but whenever I try clicking on the ruby share, it won't let me in. Here's my smb.conf settings: [global] log file = /var/log/samba/samba.%m guest account = nobody netbios name = DEVBOX server string = DEVBOX CENTOS workgroup = WORKGROUP encrypt passwords = yes security = share max log size = 50 [ruby] path = /home/placona/ruby I want to be able to open this folder without using password (hence the guest account = nobody). I tried even with password, but never seems to work. Can anyone spot anything wrong with my settings?

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• SSH and Latent Connections (e.g., satellite connections)

  - by user71494

  Most of the week I live in the city where I have a typical broadband connection, but most weekends I'm out of town and only have access to a satellite connection. Trying to work over SSH on a satellite connection, while possible, is hardly desirable due to the high latency ( 1 second). My question is this: Is there any software that will do something like buffering keystrokes on my local machine before they're sent over SSH to help make the lag on individual keystrokes a little bit more transparent? Essentially I'm looking for something that would reduce the effects of the high latency for everything except for commands (e.g., opening files, changing to a new directory, etc.). I've already discovered that vim can open remote files locally and rewrite them remotely, but, while this is a huge help, it is not quite what I'm looking for since it only works when editing files, and requires opening a connection every time a read/write occurs. (For anyone who may not know how to do this and is curious, just use this command: 'vim scp://host/file/path/here)

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• Mouse pointer size inconsistent

  - by charon00

  Since installing Ubuntu 12.04, I've been having a problem with the mouse pointer size. On the desktop, it is quite a bit larger than it should be (24), though the different cursors (editing text, hyperlink hand, etc) are correct. The size changes to the correct size when the pointer is over some application windows (GVim, Netbeans, Firefox), but then changes back once it is moved out of the window. There was a similar question here, but the Xdefaults solution did not work for me, and I didn't want to try the one requiring editing the icon image. In addition, I've tried changing the cursor theme using sudo update-alternatives --config x-cursor-theme as well as using the dconf-editor, but though I can change the theme, the size issue remains. In case it's relevant, I'm running on a dual-screen setup with monitor sizes of 2560x1600 and 1920x1080, using the NVidia video driver. Is there another way to control pointer size, or a setting that might be messing it up? EDIT: These are the values/options I have for update-alternatives and in dconf-editor. I'm now wondering if Netbeans and Firefox are making the mouse pointer smaller than it should be, but I'm not sure how big 24 should be... update-alternatives: Selection Path Priority Status ------------------------------------------------------------ 0 /usr/share/icons/DMZ-White/cursor.theme 90 auto mode 1 /etc/X11/cursors/core.theme 30 manual mode 2 /etc/X11/cursors/handhelds.theme 20 manual mode 3 /etc/X11/cursors/redglass.theme 20 manual mode 4 /etc/X11/cursors/whiteglass.theme 20 manual mode * 5 /usr/share/icons/DMZ-Black/cursor.theme 30 manual mode 6 /usr/share/icons/DMZ-White/cursor.theme 90 manual mode dconf-editor: I can't post the image since I'm a new user but the cursor-size is set to 24 and the cursor-theme is DMZ-Black.

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• NFS mount of /var/www to OS X

  - by ploughguy

  I have spent 2 hours trying to create an NFS mount from my Ubuntu 10.04 LTS server to my OS X desktop system. Objective: three way file compare between the code base on the Mac, the development system on the local Linux test system, and the hosted website. The hosted service uses cpanel so I can mount a webdisk - easy as pie - took 10 seconds. The local Ubuntu box, on the other hand - nothing but pain and frustration. Here is what I have tried: In File Browser, navigate to /var/www/site and right-click. Select share this folder. Enter sharename wwwsite and a comment. Click button "Create Share". Message says - you can only share file systems you own. There is a message on how to fix this, but the killer is that this is sharing by SMB. It will change the LFs to CR-LFs which will affect the file comparison. So forget this option. In a terminal window, run shares-admin (I have not been able to convince it to give me the "Shared Folders" option in the System Administration window - Maybe it is somewhere else in the menu, but I cannot find it) define an NFS export. Enter the path /var/www/site, select NFS enter the ip address of the iMac and save. On the mac, try to mount the file system using the usual methods - finder, command line "mount" command - not found. Nothing. Tried restarting the linux box in case there is a daemon that needs restarting - nothing. So I have run out of stuff to do. I have tried searching the documentation - it is pretty basic. The man page documentation is as opaque as ever. Please, oh please, will someone help me to get this @38&@^# thing to work! Thanks for reading this far... PG.

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• How to configure installed Ruby and gems?

  - by NARKOZ

  My current gem env returns: RubyGems Environment: - RUBYGEMS VERSION: 1.3.6 - RUBY VERSION: 1.8.7 (2008-08-11 patchlevel 72) [x86_64-linux] - INSTALLATION DIRECTORY: /home/USERNAME/.gems - RUBYGEMS PREFIX: /home/narkoz - RUBY EXECUTABLE: /usr/bin/ruby1.8 - EXECUTABLE DIRECTORY: /home/USERNAME/.gems/bin - RUBYGEMS PLATFORMS: - ruby - x86_64-linux - GEM PATHS: - /home/USERNAME/.gems - /usr/lib/ruby/gems/1.8 - GEM CONFIGURATION: - :update_sources => true - :verbose => true - :benchmark => false - :backtrace => false - :bulk_threshold => 1000 - "gempath" => ["/home/USERNAME/.gems", "/usr/lib/ruby/gems/1.8"] - "gemhome" => "/home/USERNAME/.gems" - REMOTE SOURCES: - http://rubygems.org/ How can I change path /home/USERNAME/ to my own without uninstalling? OS: Debian Linux

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• WUBI installation can no longer boot, UUID disk not found

  - by Joel Heenan

  Yesterday my Wubi/Vista installation was working fine. I shut it down at the train station, all good then when I attempted to boot ubuntu at home I got a message saying the UUID for root could not be found. By booting with the Ubuntu live CD I found that the C:\ubuntu\disks folder stat structure was broken, reported as "??? ??? ??" kinda thing. I booted into Windows, scheduled a CHKDSK, ran that on boot which found some errors and rebooted. Still no dice. I am not stressed because it appears my home directory is still there with all my content so I don't mind re-installing the OS (probably will clean it up some). What is the best path from here to repair the WUBI installation? Is there anything else I should do to repair it? I'm looking at whether the drive is dying now to work out why this occured. Possibly I moved the laptop before shutdown had completed.

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• Continuous Retraining Tutorials

  - by foampile

  I am looking for an online resource in which you can sortof design your future professional profile and it would provide you a set of tutorials that you would complete to get a basic level of familiarity with related technologies. One of my professional problems is my learning style: I can learn either by direct hands-on experience OR by following a rigid training program that goes in a linear progression. I have a hard time learning things in a multidimensional environment where the biggest challenge is to determine what needs to be learned and how to pick from a ton of books and the least problem is to go through the actual material. So I am looking for a reputable source that will knock those two confusing questions out for me so I can kick back and continuously be upgrading my skills without having to worry about what and how myself. I have found some decent online tutorials for various technologies but never found a single place that has all or most developer education tutorials that all follow the same or similar interface. I am kindof a lazy learner and would rather follow confirmed learning steps than be figuring my own education path just to realize I did it all wrong down the road. Is there a tutorial mega-boutique like that online?

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• Samba groups not working

  - by Josh

  I am trying to get samba working with groups. I am using CentOS. #sswords = yes lanman auth = no null passwords = no hosts allow = 129.130.155. netbios name = a server server string = base PHP server [team$] path= /var/www writable = yes valid users = @team force group = @team I have created a few users in linux, and added them to a group called team using groupadd -a -g username. I the attempted to login and got a NT_STATUS_NO_SUCH_GROUP. If I comment out the two last lines in the config it works, but I wish to have group ownership and prefer just to be able to add users to a group in Linux and for it to work with the samba.

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• Http Hanlder must be reset with each deployment. How can I add this functionality to the web.config

  - by user42942

  My application is a dotnet 4 hybrid - MVC in some areas, web forms in others. This application was recently upgraded to dotnet 4 and includes a lot of older code and some mismatched parts. Unfortunately it includes a telerik component that requires me to run the Application pool in classic mode. In order to fix this (in IIS7) I have to add a handler mapping to the IIS configuration. This mapping is basically a wildcard mapping that points the wildcard path "*" to the %windir%\Microsoft.NET\Framework64\v4.0.30319\aspnet_isapi.dll. The problem I am running into is this: For some reason this mapping gets dropped when deploying the site. So, can I add the functionality of this mapping to the web config? If so, How? Or is there another solution to make this manually added mapping "sticky" so that it remains in place during and after a deployment? (I am also asking this on StackOverflow, as I'm not sure if this should be a coding question or a Server question)

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• What would prevent a .BAT file from being run on a mapped drive?

  - by JBurace

  In WinXP SP3, I have a .BAT file on a mapped drive. When I try to run this .BAT file (or even right click-edit) it gives me: --------------------------- Windows cannot access the specified device, path, or file. You may not have the appropriate permissions to access the item. --------------------------- OK --------------------------- This happens with any .BAT file, no matter what is within the file. If the file is on my local computer (like C:) it will run just fine. If someone else runs it from another computer (on the same mapped drive), it runs just fine. I have full permissions on the drive; I can edit/delete/save/write/create in that folder and/or .BAT file and I've ruled out permissions being the issue. It seems like a security prevention, but I can't tell what it would be. It would have to be something on my PC, but I don't use any 3rd party software. What would cause this error?

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• Can't copy files from network drive

  - by user630320

  I have weird problem with copying files. When I copy file from network drive into C drive nothing happens but when I copy file from network drive to desktop I can copy the file. Also if I copy files from desktop into C it works fine. I have full local admin permission on this PC and the network drive. I have try these things Created new profile Run Windows Update Run checkdisk I'm using Windows XP 32bit pro Update: Network path: \\server1\shared\folder PC: C:\ (this doesn't work) C:\Documents and settings\Userid\Desktop (This works fine)

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• Puppet - pass variable with a file create command

  - by Tim Brigham

  I need a way to pass a given variable - lets say thearch - to several different files within a given class. I need to be able to state the contents of this variable for each file individually. I have tried the following: file { "xxx": thearch => "i386", path => "/xxx/yyyy", owner => root, group => root, mode => 644, content => template("module/test.erb"), } This doesn't pass this variable so I can use it with a <%=thearch% statement within the erb file as I expect. What am I doing wrong here?

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• Text File Cannot read by Batch File

  - by Typowarrior

  I have the problem where TXT file that batch create can't be read. it turns to ECHO OFF Result. Here is 1st code need to be run. echo. wmic /output:huhu.txt Path CIM_DataFile WHERE Name='C:\\Users\\uJaNbaTus\\Desktop\\HyperTerminal.exe' Get Version echo. Then I create another .bat file with this code and run it. echo. setlocal ENABLEDELAYEDEXPANSION set revision= for /f "delims=" %%a in (huhu.txt) do ( set line=%%a if "x!line:~0,8!"=="xVersion " ( set revision=!line:~8! ) ) echo !revision! echo. endlocal When I run this .bat file the result Showing ECHO off. Btw if I create another file using notepad and replace (huhu.txt) I didn't get any error and the output come from txt file.

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• Drupal migration failed

  - by Marco

  First of all, I'm new to Drupal and the work I have to do is some kind of too hard. My old colleague (webmaster) had a server with a multisite Drupal 6 installation. Sites and their dirs were (e.g.) Sites Site directory b.a.mycompany.com /drupal_install_dir/sites/b.a.mycompany.com c.a.mycompany.com /drupal_install_dir/sites/c.a.mycompany.com d.a.mycompany.com /drupal_install_dir/sites/d.a.mycompany.com Unluckily my colleague moved and server hdd aren't in my hands: all I have is a backup of /drupal_install_dir and three sql dumps (one for each site). I had to restore three sites, but changing them as z.mycompany.com/b z.mycompany.com/c z.mycompany.com/d Beeing a sysadmin, I Extracted tar.gz backup file under wwwroot (let's call full path to extracted directory /new_install_dir) Restored three databases Created mysql users and give them correct GRANTS on databases Then (trying to restore at least first site) I changed /new_install_dir/sites/settings.php putting correct database connection data and new basepath. But there is no way I can see my new site, simply it doesn't work. Watching /var/log/apache2/error.log I saw Drupal searching for main drupal database; so I created that db too setting user and grants, but dump file is empty. Well, now I can run something like install.php or update.php, but my site is not shown. Is there something I can do? Do I have to walk another way? Consider I searched the web, but I'm not able to find a guide that can help me for my problem. Ah, I forgot: before producing the backup, my colleague set site in maintenance mode. When I try to run z.mycompany.com/?q=user (trying to login) nothing happens. I'm really stuck...

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• Let CGI-PHP load a non-default shared library.

  - by ralle

  In Apache2 I configured PHP as CGI in a virtual host: SetEnv PHPRC "/usr/local/php5.3" ScriptAlias /php5.3 "/usr/local/php5.3/bin" Action application/php5.3 /php5.3/php-cgi AddType application/php5.3 .php Everything works fine. Now I have some issues with the standard version of the GD because it restricts me in settings several hinting and anti-aliasing stuff for fonts. Therefore I want to modify the GD source and create a new shared library. Since I don't want a modifed library in my system I want only PHP to use that library. My question now: How can I change the Apache configuration in a way that PHP uses a certain new version of the library? Something like this does not work: ScriptAlias /php5.3 "LD_LIBRARY_PATH=/path/to/my/lib:$LD_LIBRARY_PATH /usr/local/php5.3/bin"

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• Wierd Windows File Share Behavior

  - by CT

  Scratching my head awhile on this. I'm on a Vista client trying to access a file share running on a Windows Server 2008 R2 box. Windows Active Directory Domain. The shares I am trying to access: \\Server1\FileShare1\Folder1\foo and \\Server1\FileShare1\Folder1\bar The client does not have any permissions at Folder1. The client has read permissions at folders foo and bar. In this example I can access \Server1\FileShare1\Folder1\foo but I get the following error when I try to access \Server1\FileShare1\Folder1\bar: "Network Error: Windows cannot access \Server1\FileShare1\Folder1\bar. Check the spelling of the name. Otherwise, there might be a problem with your network. To try to identify and resolve network problems, click Diagnose" I hit Diagnose. It returns with "Windows checked the path and '\Server1\FileShare1' is correct but 'Folder1' could not be found." What is going on? It finds Folder1 fine when going to \Server1\FileShare1\Folder1\foo.

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• OOP Design: relationship between entity classes

  - by beginner_

  I have at first sight a simple issue but can't wrap my head around on how to solve. I have an abstract class Compound. A Compound is made up of Structures. Then there is also a Container which holds 1 Compound. A "special" implementation of Compound has Versions. For that type of Compound I want the Container to hold the Versionof the Compound and not the Compound itself. You could say "just create an interface Containable" and a Container holds 1 Containable. However that won't work. The reason is I'm creating a framework and the main part of that framework is to simplify storing and especially searching for special data type held by Structure objects. Hence to search for Containers which contain a Compound made up of a specific Structure requires that the "Path" from Containerto Structure is well defined (Number of relationships or joins). I hope this was understandable. My question is how to design the classes and relationships to be able to do what I outlined.

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• ffmpeg error while segmenting

  - by Tommy Ng

  I'm using ffmpeg and segmenter on Ubuntu 10.04 to create the transport stream from flv/h264 video files and then segment the ts segments for ipad streaming. Some ts files show an error with segmenter - Output #0, mpegts, to '29': Stream #0.0: Video: 0x0000, yuv420p, 480x360, q=2-31, 90k tbn, 25 tbc Stream #0.1: Audio: 0x0000, 0 channels, s16 [mpegts @ 0x11f4ac0]sample rate not set Could not write mpegts header to first output file my ffmpeg command for creating the ts file - ffmpeg -i 1.flv -f mpegts -acodec libfaac -ar 48000 -ab 64k -s 480x360 -vcodec libx264 -b 192k -flags +loop -cmp +chroma -partitions +parti4x4+partp8x8+partb8x8 -subq 5 -trellis 1 -refs 1 -coder 0 -me_range 16 -keyint_min 25 -sc_threshold 40 -i_qfactor 0.71 -bt 200k -maxrate 192k -bufsize 192k -rc_eq 'blurCplx^(1-qComp)' -qcomp 0.6 -qmin 10 -qmax 51 -qdiff 4 -level 30 -aspect 480:360 -g 30 -async 2 -y 1.ts my segmenter command - segmenter 1.ts 10 1 1.m3u8 path/to/streams/

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• why in /proc file system have this infomation

  - by liutaihua

  run: lsof|grep delete can find some process open fd, but system dis that it had to delete: mingetty 2031 root txt REG 8,2 15256 49021039 /sbin/mingetty (deleted) I look the /proce filesystem: ls -l /proc/[pid] lrwxrwxrwx 1 root root 0 9? 17 16:12 exe -> /sbin/mingetty (deleted) but actually, the executable(/sbin/mingetty) is normal at /sbin/mingetty path. and some soket like this situation: ls -l /proc/[pid]/fd 82 -> socket:[23716953] but, use the commands: netstat -ae|grep [socket id] can find it. why the OS display this infomation??

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• Run totally silent rsync?

  - by jackr

  I have a cronjob that runs hourly, and is totally silent unless something goes wrong. Well ... almost ... A part of the job is rsync --del -Cacqrz public/. [email protected]:/target/path This always prints "logged in". How can I make it stop? (Short of 'grep -v' ;-) I don't get the "logged in" message if I do things like ssh [email protected] ls The transport is, of course, ssh (using keys). Source host is either OSX or Ubuntu (tried both, same behavior). Target host is Linux of some flavor.

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• ImageMagick convert to png32, can't change background at all

  - by Doug

  So I'm stumped. I've been wrestling with this simple command to turn an SVG file into a transparent SVG to no avail. Here's my command convert svg:/home/media/svgTest.svg -quality 100 -background none -size 3300x3300 png32:/home/media/pngTest.png The PNG comes out fine, but the background is white. Upon further investigation - the PNG's background is white no matter what I set the -background option to. I've tried black, tomato4, and even various hex colors. Nothing - just white. My SVG has no background fill layer or anything like that, it's just a couple of blue path layers. Also, I am running ImageMagick v 6.6.9-7 on Ubuntu 12.04 Lts What am I doing wrong? Thanks

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• How well do graduates from top universities perform and how does it feel compare to the rest of the world?

  - by Amumu

  I always have impressions to those who got admitted into top Universities like MIT, Standford... for studying Engineering. I don't actually know what they are doing in the University or what they will do, but I always feel they can perform higher level tasks with more complexities. I always think that they are good at create and applying mathematical model in real life and I tend to agree: If you can't apply math, it's your problems, not math. I am a junior software engineer on embedded devices. I am learning more on Linux kernel and low level stuffs. Even so, my will is not strong enough to pursue technical path forever, with a final purpose is to create something significant on my own. May I have a chance to get on their level if I keep learning through experience and self-study? In my opinion, Math is the must have requirement, since it seems that programs on those Universities are very Math oriented. Without very strong math skill, how can one perform good in science and researching beyond making regular business products?

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• Finite Numbers and ExplorerCanvas

  - by PhubarBaz

  I was working on my online mathematical graphing application, CloudGraph, and trying to make it work in IE. The app uses the HTML5 canvas element to draw graphs. Since IE doesn't support canvas yet I use ExplorerCanvas to provide that support for IE. However, it seems that when using excanvas, if you try to moveTo or drawTo a point that is not finite it loses it's mind and stops drawing anything else after that. I had no such problems in Firefox or Chrome so it took me awhile to figure out what was going on. Next I discovered that I needed a way to check if a variable was NaN or Inifinity or any other non-finite value so I could avoid calling moveTo() in that case. I started writing a long if statement, then I thought there has to be a better way. Sure enough there was. There just happens to be an isFinite() function built into Javascript just for this purpose. Who knew! It works great. Another difference I discovered with excanvas is that you must specify a starting point using a moveTo() when beginning a drawing path. Again, Chrome and Firefox are a lot more forgiving in this area so it took me a while to figure out why my lines weren't drawing. But, all is happy now and I'm a little wiser to the ways of the canvas.

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• Someone try to hack my site, want to understand the log

  - by garconcn

  I have a wordpress site hosted on CentOS 6. After see the following access log, I checked the server, it seems ok. Can anyone explain what does this guy trying to do? Did they get what they want? I have disabled allow_url_include, and restricted open_basedir to web dir and tmp(/etc is not in the path). 190.26.208.130 - - [05/Sep/2012:21:24:42 -0700] "POST http://my_ip/?-d%20allow_url_include%3DOn+-d%20auto_prepend_file%3D../../../../../../../../../../../../etc/passwd%00%20-n/?-d%20allow_url_include%3DOn+-d%20auto_prepend_file%3D../../../../../../../../../../../../etc/passwd%00%20-n HTTP/1.1" 200 32656 "-" "Mozilla/5.0"

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• Cannot delete folder - Content seems to be nested recursively

  - by RikuXan

  I cannot delete a folder located on my hard disk by any means. I don't quite know how it was created, all I know is, that it is a pretty deep structure of folders (too deep to delete it at once, since Windows restriction path name too long), but the problem in the end is, that I can't "pull out" the inner folders, because they don't seem to be folders anymore (Context menu lacks things like "Properties", "Cut", "Copy", "Delete" etc.) Here a picture of how a right click looks like on one of these "folders": As you can see, the current folder is in very deep, but that is not the problem, rather the one I left-clicked on. Has anyone any advice on how to get rid of these? I tried a chkdsk, said no errors. I also tried deleting those folder via a VMWare Ubuntu, to no success. I also tried a batch file from a volunteer at MS boards, that should automatically de-nest such folders, but I guess mine is a special case, since the tool only created more such folders.

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