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• Configuring vsftpd with nginx on ubuntu

  - by arby

  I have vsftpd installed on Ubuntu 12.04LTS along with nginx, php, and sql on an Amazon ec2 instance. The web server is good to go, but I'm having trouble connecting to the FTP server. I'm not quite sure how to set the privileges or what configuration options I might be missing. By default, the location of the web root is at /usr/share/nginx/www and it is owned by root:root. The web server runs as user www-data in the group www-data. I've opened port 21 and set the passive ports in the ec2 backend and ufw firewall. In vsftpd.conf, I have: ... anonymous_enable=NO local_enable=YES local_umask=0027 chroot_local_user=YES pasv_enable=YES pas_max_port=12100 pasv_min_port=12000 port_enable=YES ... Now, I'm unsure how to create the FTP user that when I login, displays my web directory with write access. I've tried it a few different ways, but I keep running into errors (either no connection, no write access, or very slow timeouts.)

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• Running remotely an app from a shared folder with PsExec

  - by Stephane

  I am actually not sure that this is possible. let's see: I have a script that runs on a Build server. Let's name this server A. It drops the bins to a shared folder on server B. And I want to run the program on server C. So using caspol I can allow the executable to be ran remotely. that means from B I can run \C\shared\my.exe What I want to do is from A run \C\shared\my.exe on B. SysInternals\PsExec.exe -u username -p password -accepteula \\ServerC -i 0 -d -w \\ServerB\Nightly\Server \\ServerB\Nightly\Server\server.exe The user has all the necessary rights. But, the -w (working directory) options apparently wants a path relative to the server I point to. Any idea?

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• How to install Wacom Bamboo Pen

  - by casadrya

  I have a new Wacom Bamboo Pen. I'm using Ubuntu 10.10 64bit. After googling a little bit, I checked that xserver-xorg-input-wacom was installed. I plugged in my tablet. I rebooted my computer. Nothing special happened. I opened Inkscape. The tablet didn't work. I opened Inkscape's Input devices dialog. I didn't understand anything. I tried to blindly click some options in that dialog but nothing seemed to have any effect. Same with Gimp. After googling some more I found the linuxwacom website with source code, this didn't seem to work. So... any help? As requested: lsusb Bus 005 Device 002: ID 056a:00d4 Wacom Co., Ltd dmesg | tail [ 492.961267] usb 5-1: new full speed USB device using uhci_hcd and address 3 [ 493.144862] input: Wacom Bamboo 4x5 Pen as /devices/pci0000:00/0000:00:1a.2/usb5/5-1/5-1:1.0/input/input6 [ 493.158854] input: Wacom Bamboo 4x5 Finger as /devices/pci0000:00/0000:00:1a.2/usb5/5-1/5-1:1.1/input/input7

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• VirtualBox won't use any kind of hardware acceleration

  - by burnersk

  I see an problem with VirtualBox hardware acceleration functionality... My system configuration: MSI PH67A-C43 (B3) (BIOS: 2.70) Intel Core i5-2400 Windows 7 Professional SP1 64-bit Oracle VirtualBox 4.1.10 Oracle VirtualBox Extension Pack 4.1.10 I can select the individual acceleration options such as PAE/NX, VT-x/VMD-V or Nested Paging within VM-Settings but if I start the VM the accelerations will be disabled as of the tooltip from CPU (right next to shared folders). Each acceleration is "Disabled". Does this sounds familar to anybody? How can I solve this?

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• decrypting AES files in an apache module?

  - by Tom H

  I have a client with a security policy compliance requirement to encrypt certain files on disk. The obvious way to do this is with Device-mapper and an AES crypto module However the current system is setup to generate individual files that are encrypted. What are my options for decrypting files on-the-fly in apache? I see that mod_ssl and mod_session_crypto do encryption/decryption or something similar but not exactly what I am after. I could imagine that a PerlSetOutputFilter would work with a suitable Perl script configured, and I also see mod_ext_filter so I could just fork a unix command and decrypt the file, but they both feel like a hack. I am kind of surprised that there is no mod_crypto available...or am I missing something obvious here? Presumably resource-wise the perl filter is the way to go?

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• ubi-partman failed with exit code 10 during 12.10 fresh install

  - by Austen

  ive been trying to install ubuntu 12.10 on my acer aspire one 534h,using an iso from the official site and a 16gb flash drive using unetbootin. my aa1 is running factory settings (xp). it will boot fine from the usb, but the installation throws the error in the title after choosing my wifi options, and contineus to give the error after every subsequent step. after trying to complete the installation ingoring the error, it hangs on the ask ubuntu screen. ive tried reformatting and reflashing (sorry, heavy android user) ubuntu to the flash drive, to no avail... do i need to format somthing else, or is it something to do with th Hdd and RAID drives? ive looked in my BIOS and found nothing related. only the option for sata or ide... any help would be great, as ive been working at this all day... edit: the error message was ubi-partman has failed with exit code 10. see (gave a directory) for more info. it then informed me that if i continued the install could be incomplete or completly broken. not sure abouth the wording in the second part, but the error is word for word... thank you.

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• Cannot mount USB drive -- FSTAB error

  - by user107646

  Recently, one of my desktops seems to have developed a problem with the fstab and mounting USB drives. The specific error I receive is... Unable to mount TRAVELDRIVE Error mounting: mount exited with exit code 1: helper failed with: Unprivileged user can not mount NTFS block devices using the external FUSE library. Either mount the volume as root, or rebuild NTFS-3G with integrated FUSE support and make it setuid root. Please see more information at http://tuxera.com/community/ntfs-3g-faq/#unprivileged The contents of my fstab are... /etc/fstab: static file system information. # # <file system> <mount point> <type> <options> <dump> <pass> proc /proc proc nodev,noexec,nosuid 0 0 #Entry for /dev/sdc1 : UUID=7e3431cd-522f-4e35-b286-4300fa702d4a / ext4 errors=remount-ro 0 1 #Entry for /dev/sda1 : UUID=60684D08684CDE82 /media/Archive ntfs-3g defaults,locale=en_US.UTF-8 0 0 #Entry for /dev/sdc5 : UUID=cd166221-4b1d-40f7-b9de-785208990587 none swap sw 0 0 /dev/sdd1 /media/sdd1 ntfs nls=iso8859-1,ro,users,umask=000,user 0 0 /dev/sdd5 /media/PS3 (fat32) vfat users,user 0 0 /dev/sdd5 /media/sdd5 vfat uid=m3talhead,users,user 0 0 I'm guessing its a problem with the duplicate /dev/sdd5 entries (?), but being the *nix noob I am, I'm not certain. What am I missing? Any assist is greatly appreciated!

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• Wireless technology - which is better: more single radio APs or less dual radio APs?

  - by gert_78

  We are currently talking to vendors of wireless solutions for a wireless deployment in a university campus with some 5000 students. One vendor is offering us a Cisco solution with a WLC 5508 controller and 69 2x2 MIMO Dual-band/Dual radio APs (Aironet AP 1042 model) The other vendor is offering us an Aruba solution with a 3600 controller and 96 2x2 MIMO dual band BUT single radio APs (Aruba AP93) Both vendors are charging 82.000 US$ (support, 3y service contracts, switches and additional required options all included of course) The Aruba vendor is trying to convince me that 96 single radio APs will give us more connection/users/capacity then the 69 dual radio APs. I have my doubts about that and since it is my core competence-domain I wanted to ask here the opinion of people that have a more profound knowledge and experience in this area. When you talk to vendors it's often hard to get objective information. So try to answer only if you are sure and please mention it if you are affiliated with one of the vendors. I appreciate all useful help and want to thank you in advance for the effort!

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• ODSI + weblogic = JDBC problem

  - by Giuseppe Di Federico

  I'm currently developing a web service using ODSI through Oracle Workshop for WebLogic (ex AquaLogic). I created a datasource on weblogic using the driver "Oracle thin driver 10g", the test succeed on WebLogic. (My Database is Oracle 10 10.2.0.1.0) The problem occours when I try to create the Phisical Data Service in the Oracle Workshop. I choose the following options: Data source type = Relational Data source = [THE CORRECT NAME OF THE SOURCE SET ON WEBLOGIC] Database type = ??? Aqualogic, doesn't allow me to select the database type. I guess is a problem related to the driver set on weblogic... but I ain't sure.Does someone know the nature of my problem ? Tnx

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• How Do I Change the Windows7 LAN Proxy Config from the Command Line

  - by david.barkhuizen

  In Windows7, Is it possible to define/change the proxy config from the command line ? So, using the gui, I would go: Start Control Panel Network and Internet Internet Options Connections LAN Settings and then - enable/disable the proxy - define IP:port of proxy server But I would like to rather do this from the command line (so that I can run the command from a batch-file with a shortcut key - enabling me to switch proxy configs using a short-cut, rather than having to wade through the MS wizard). I've looked at using netsh.exe to change the settings for WinHTTP, but this seems to be thr wrong thing to do, as the WinHTTP setting do not appear to be related to the LAN settings. Much appreciated folks.

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• Annoying Search Behavior - Search Companion

  - by David Stein

  I'm running Windows XP Professional, and ever since the last service pack I've had a searching problem. When I want to search a network drive, I get the following message: This folder is not indexed. To search this directory plase use Search Companion or add this directory to your index via options. Basically, I have two questions. Is there some way that I can use the indexed search where appropriate and then have it switch over to the Search Companion automatically? Second, how does a programmer look at this code and think this is a good idea? I realize that this question is rhetorical. However, I must enter my search string into one search, receive the error, and then click "Search Companion" to bring up the new search window. This window doesn't even take the defaults from the previous one so I have to specify the search string and drive again.

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• Acer Ferrari 3000 in portrait display mode

  - by Riri

  I have a Acer Ferrari 3000 noetbook that I like to connnect to a external dispaly and show it in portrait mode. The computer runs a ATI Radeon 9200 graphic chipset and I can't find the setting for portrait and start believe the graphics card actually doesn't support it? I've looked at the latest drivers and can see that this has changed. What are my options? Can I buy some sort of external graphics thingy or other possible solutions will get up votes! ;)

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• Hyper-V and custom resolution

  - by Thomas Levesque

  I know this question has been asked many times (here and on TechNet), and the answer is usually "use RDP". But apparently, RDP is now the only option, and it's what I'm using. My screen is an LCD TV with a resolution of 1360x768. Unfortunately, this resolution is apparently not supported; the closest I can get in a Windows 8 VM is 1366x768, and it adds scrollbars, which make it difficult to put the mouse in the corners to get at the start screen and charm bar... Smaller resolutions don't fill the screen, so it's also difficult to put the mouse in the corner. Is there a way to set a custom resolution to fit my screen exactly ? (note: I know it's not a Windows 8 problem, since I don't have this problem on my host machine which also runs Windows 8. I assume it's related to the display adapter used by Hyper-V, but there don't seem to be any options to change it)

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• Windows Updates settings issue!

  - by Kumi

  Hi, it's my first post here, don't wanna make it long, but I got a problem with my 'Windows Update' it won't show its setting's options. It only shows these settings: Important Updates, Recommended Updates and Who can install updates, it removed the other setting sections like 'Microsoft Updates' "Give me updates for Microsoft products and check for new optional Microsoft software when I update windows" or the last settings section 'Software notification' "Show me detailed notifications when new Microsoft software is available" Here's a screenshot of my Windows Update: http://img96.imageshack.us/img96/1963/windowsupdatescreenshot.png And here's how it was before and how should be: h**p://www.sevenforums.com/attachments/tutorials/3523d1242168648-windows-update-settings-change-wu_settings.jpg Thanks. PS: I'm running windows 7 RTM

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• Any "Magic Tricks" For Getting Data Back After Windows 7 Install

  - by user163757

  My old man installed Windows 7 without making a proper backup, and now realizes he left behind some important data. He did a true "clean install", so there is no Windows.old folder in the root directory. However, I believe the format performed on the hard drive was only a quick format, so I am hoping there is some chance at data recovery. I took his hard drive out, and have spent a majority of the weekend researching data recovery options. I paid $70 for the GetDataBack software, but have had little success with it. I can see all of the files I want to restore, however they appear corrupt when I try to open them. With that all being said, does anyone know of a viable way to recover some of this data, or is it a lost cause all together?

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• [Kubuntu 14.04][Eclipse] (ADT) crashes at button OK from Project properties

  - by nouseforname

  Since i upgraded to kubuntu 14.04, my Eclipse crashes at different situations. Mostly i can "simulate" it when going to project properties and press ok. Then it always crashes. My system: DISTRIB_ID=Ubuntu DISTRIB_RELEASE=14.04 DISTRIB_CODENAME=trusty DISTRIB_DESCRIPTION="Ubuntu 14.04.1 LTS" My Java: java version "1.8.0_05" Java(TM) SE Runtime Environment (build 1.8.0_05-b13) Java HotSpot(TM) 64-Bit Server VM (build 25.5-b02, mixed mode) My ADT Version: Android Development Toolkit Version: 23.0.0.1245622 I already tried to add this in adt-bundle-linux-x86_64/eclipse/configuration/configuration.ini org.eclipse.swt.browser.DefaultType=mozilla -Dorg.eclipse.swt.browser.DefaultType=mozilla Error: # # A fatal error has been detected by the Java Runtime Environment: # # SIGSEGV (0xb) at pc=0x00007fe049eb1718, pid=5964, tid=140601811232512 # # JRE version: Java(TM) SE Runtime Environment (8.0_05-b13) (build 1.8.0_05-b13) # Java VM: Java HotSpot(TM) 64-Bit Server VM (25.5-b02 mixed mode linux-amd64 compressed oops) # Problematic frame: # C [libgobject-2.0.so.0+0x19718] g_object_get_qdata+0x18 # # Core dump written. Default location: /home/maddin/core or core.5964 # # An error report file with more information is saved as: # /home/maddin/hs_err_pid5964.log Compiled method (nm) 28866 4166 n 0 org.eclipse.swt.internal.gtk.OS::_g_object_get_qdata (native) total in heap [0x00007fe051da6790,0x00007fe051da6af0] = 864 relocation [0x00007fe051da68b0,0x00007fe051da68f8] = 72 main code [0x00007fe051da6900,0x00007fe051da6ae8] = 488 oops [0x00007fe051da6ae8,0x00007fe051da6af0] = 8 # # If you would like to submit a bug report, please visit: # http://bugreport.sun.com/bugreport/crash.jsp # The crash happened outside the Java Virtual Machine in native code. # See problematic frame for where to report the bug. # Now, as soon as i change SystemSettings - Application Apperance - GTK - GTKn-Design to something else but "oxygen-gtk" this crash doesn't happen anymore. But the application appearance also is ugly. Beside that i get a lot of errors/warnings like that: (SWT:6148): GLib-GObject-CRITICAL **: g_closure_add_invalidate_notifier: assertion 'closure->n_inotifiers < CLOSURE_MAX_N_INOTIFIERS' failed or other GTK warnings from the particular design, not having theme-engine. Which actually doesn't cause any crahs it seems so far. So i have 3 options: accept crashes accept warnings (maybe the best choice) accept ugly design What can i do to solve this issue without changing the design settings?

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• Redirect output of Python program to /dev/null

  - by STM

  I have a Python executable, written and compiled by somebody else, that I simply need to run once halfway down my own bash script. The program uses a text-based UI, therefore waits for input before proceeding, but the key operations it performs when starting are required in my bash script. A messy (and strange) procedure I know, but unfortunately I haven't got any other options. I've gotten around forcefully closing the program with a kill signal, but the program's TUI insists on outputting to wherever it's run. I've tried redirecting both stdout and stderr to /dev/null and running the program in the background by suffixing an ampersand, but simply can't get it to play ball. I believe the cause is the program spawns other processes, and the output redirection of the parent process doesn't affect them. Is there any trick I can utilise to redirect all output from child processes too?

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• creating a journal/blog

  - by DijnsK

  hi, im trying to replace our current journal (excel sheet) with a web portal based journal. something kind of like twitter, but with more options. also needs to have a login so we can track the people entering. it can also be some sort of tool but i cant find anything that meets our demands... i could use a ITIL ticket service but that has way to much functionalities for our use. im basicly looking for a webportal with a shared blog, where users can login and creat new entries with: a topic name a automated follow-up ID number a field where they can enter specific info a reply field and a status field with pre defined statuses can anyone help me with this? thanks in advance. Koen

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• Overwrite SOA expiry in a bind9 slave name server.

  - by Joachim Breitner

  I run a slave name server of a domain that I do not have full control over (i.e. changing the SOA is not possibly). The SOA specifies an expiry time of one week. For various reasons, I’d like to override that value on my specific slave server to something larger. Is there a way to do that? N.B: I know that for the refresh and retry fields, bind9 provides the options min-refresh-time, max-refresh-time, min-retry-time and max-retry-time to overrule the SOA, as mentioned in the documentation. For some reason this just does not inclucde expiry.

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• Dell xps 15z fan issue in ubuntu 12.04

  - by Paxinum

  I just updated to ubuntu 12.04 on my Dell laptop xps 15z. The trouble is that I hear a slight ticking sound every 3rd second, probably from a fan. This is a new issue in this ubuntu version. I use the recommended boot options for grub, i.e. acpi_backlight=vendor, but I do not use any acpi=off or acpi=noirq. Is there a way to fix this issue from ubuntu, by maybe controlling the fans somehow? EDIT: Notice, the sound goes away as the fan speeds up, (when doing calculations or such), so it is really a fan issue. EDIT2: I have located the issue: If I use conky 1.9, together with the command execpi for a python application, then the sound appears, and the noise syncs with the update interval for conky (NOT for the update interval for execpi!). The noise seems to be proportional to the complexity of the drawing that is needed. This is very strange, as this issue was not in the prev. version of conky I used. The solution was to increase the update interval for conky from 0.5 to 3, i.e. update every 3rd second instead of twice a second.

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• How do I force specific permissions for new files/folders on Linux file server?

  - by humble_coder

  I'm having an issue with my install of Ubuntu 9.10 (file server) and its samba permissions. Logging in and reading works fine. However, creation of new directories by users restricts access for other users. For instance, if Bob (Windows user who maps the drive) creates a folder in the directory, Jane (Mac user that simply smb mounts) can read from it, but can't write to it -- and vice versa. I then must go CHMOD 777 the directory for everyone to be happy. I've tried editing the "create/directory mask", and "force" options in the smb.conf file but this doesn't seem to help. I'm about to resort to CRONTABing a recursive chmod routine, although I'm sure this isn't the fix. How do I get all new items to always be 777? Does anyone have any suggestions to fix this ever-occurring situation? Best

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• SQL Server 2008 Optimization

  - by hgulyan

  I've learned today, if you append to your query OPTION (MAXDOP 0) your query will run on multiple processors and if it's huge query, query will perform faster. I know general guidelines on query optimizations (using indexes, selecting only needed fields etc.), my question is about SQL Server optimization. Maybe changing some options in configurations or anything else. What guidelines are there for SQL Server Optimization? Thank you. P.S. I suppose, this is not the right place to ask server related questions. Should I delete it or maybe it can be migrated to serverfault?

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• BSOD on windows 7 with SSD during boot after improper shutdown

  - by Bob

  I have a BSOD on windows 7 with SSD during boot after improper shutdown (while windows animation logo is moving). The computer restart imediatly after BSOD, and windows proposes to launch startup repair (if i do it, it takes +-5min and fixes the problem : computer starts normally). However, after any new improper shutdown, i got the same problem. Remarks: If i unplug, re-plug the SSD whyle system is shutdown, i have the same problem. If i reproduce the situation with old HDD, i havn't the problem Previously, i had a different problem: BSOD when waking up after sleep, which was fixed by installing drivers (ethernet, usb, graphic card) I have made ram chech and ssd check and found no problems Starting with safe mode after improper shutdown causes a BSOD at loading of classpnp.sys Configuration: System: HP compaq 8510p SSD: OCZ vertex-2 2.5 Boot options: SATA native mode - Enable, HDD transalation mode - LBA-assisted

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• gcc sandboxing tool - AppArmor / CHROOT jail on Ubuntu 12.04

  - by StuR

  We have a Node application as the front end to a C++ sandboxing tool, which compiles code using gcc and outputs the result to the browser. e.g. exec("gcc -o /tmp/test /tmp/test.cpp", function (error, stdout, stderr) { if(!stderr) { execFile('/tmp/test', function(error, stdout, stderr) {}); } }); This works fine. However, as you can imagine this is a security nightmare if it were to be made public - so I was thinking of two options to protect my stack: 1) A CHROOT jail - but this in itself wouldn't be enough to prevent directory traversal / file access. 2) AppArmor ? So my question is really, how could I protect my stack from any nasties that could come from: A) Compiling unknown code using gcc B) Executing the compiled code

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• Running remotely an app from a shared folder with PsExec

  - by Stephane

  I am actually not sure that this is possible. let's see: I have a script that runs on a Build server. Let's name this server A. It drops the bins to a shared folder on server B. And I want to run the program on server C. So using caspol I can allow the executable to be ran remotely. that means from B I can run \C\shared\my.exe What I want to do is from A run \C\shared\my.exe on B. SysInternals\PsExec.exe -u username -p password -accepteula \\ServerC -i 0 -d -w \\ServerB\Nightly\Server \\ServerB\Nightly\Server\server.exe The user has all the necessary rights. But, the -w (working directory) options apparently wants a path relative to the server I point to. Any idea?

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