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  • OS X AFP shares and access

    - by gbrandt
    I am running 10.5.6 Client as a mini server and am having problems with AFP shares. All clients are OS X 10.5.7 I have created three users for 'File Sharing' only on the 'server'. I have created groups and placed these users into specific groups. I have created ACL's to give each group access to certain shares. Two of those users can read and write to any share, one user cannot write to the shares, with different results: when copying a directory, only the directory is created, no files inside are copied, the OS does not give any errors when copying a single file I get three dialogs: "You may need to enter the name and password for an administrator on this computer to change the item named 'xxxx', "The item 'xxxxx' contains one or more items you do not have permission to read. Do you want to copy the items you are allowed to read?, and, The operation cannot be completed because you do not have sufficient priveleges for some of the items. With the single file, a file gets created on the server, but is empty. My ACL for the group this user belongs to is: 0: group:projectmembers allow list,add_file,search,delete,add_subdirectory,delete_child,readattr,writeattr,readextattr,writeextattr,readsecurity,file_inherit,directory_inherit 1: group:informationtechnology inherited allow list,add_file,search,delete,add_subdirectory,delete_child,readattr,writeattr,readextattr,writeextattr,readsecurity,file_inherit,directory_inherit 2: group:executive inherited allow list,add_file,search,delete,add_subdirectory,delete_child,readattr,writeattr,readextattr,writeextattr,readsecurity,file_inherit,directory_inherit 3: group:everyone inherited deny list,add_file,search,delete,add_subdirectory,delete_child,readattr,writeattr,readextattr,writeextattr,readsecurity,file_inherit,directory_inherit User 1 & 2 belong to informationtechnology and executive and projectmembers, they can read and write freely on the share. User 3 belongs to projectmembers and cannot read and write freely. I have read that this is a UID issue, however User 1 & 2 do not have matching UID's across clients and server and they work, so I don't think this is the case. Any ideas?

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  • CopSSH SFTP -- limit users access to their home directory only

    - by bradvido
    Let me preface this by saying I've read and followed these instructions at the FAQ many times: http://www.itefix.no/i2/node/37 It does not do what the title claims... It allows every user access to every other user's home directory, as well as access to all subfolders below the copssh installation path. I'm only using this for SFTP access and I need my users to be sandboxed into only their home directory. If you know a fool-proof way to lock users down so they can see only their home directory and its subfolders, stop reading now and reply with the solution. The details: Here is exactly what i tried as I followed the FAQ. My copSSH installation directory is: C:\Program Files\CopSSH net localgroup sftp_users /ADD **Create a user group to hold all my SFTP users cacls c:\ /c /e /t /d sftp_users **For that group, deny access at the top level and all levels below cacls "C:\Program Files\CopSSH" /c /e /t /r sftp_users **Allow my user group access to the copSSH installation directory and its subdirectories For each sftp user, I create a new windows user account, then I: net localgroup sftp_users sftp_user_1 /add **Add my user to the group I've created Open the activate user wizard for CopSSH, choosing the user, "/bin/sftponly" and Remove copssh home directory if it exists **Remains checked Create keys for public key authentication **Remains checked Create link to user's real home directory **Remains checked This works, however, every user has access to every other user's home directory as well as the CopSSH root directory.... So I tried denying access for all users to the user home directory: cacls "C:\Program Files\CopSSH\home" /c /e /t /d sftp_users **Deny access for users to the user home directory Then I tried adding permissions on a user-by-user basis for each users home\username folder. However,these permission were not allowed by windows because of the above deny rule i created at the home directory was being inherited and over-riding my allow rule. The next step for me would be to remove the deny rule at the home directory and for each user folder, add a deny rule for every user it doesn't belong to, and add an allow rule for the one user it does belong to. However, as my user list gets long, this will become very cumbersome. Thanks for the help!

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  • OSX: Mimic Ubuntu IP Masquerading via iptables with ipfw

    - by Dogbert
    Good day, I am attempting to replicate a setup I have between a router and an Ubuntu PC, and have the same setup working on my MacBook (10.6, Snow Leopard). First, I have a router that has a USB port. When I plug it into my Ubuntu PC, it creates an RNDIS connection, allowing me to connect to the router over the USB cable via an IP connection. When I plug it into my computer via USB, it gets assigned an IP address of 172.16.84.1, and a new adapter appears when I type ifconfig. I can then SSH into the device via ssh [email protected]. When I log in to the device, I flush the routes, then create the default route: admin@localhost> route -f admin@localhost> route add default 172.16.84.2 Now, in my Ubuntu machine, I use iptables to enable IP masquerading: root@Valhalla> sudo iptables -t nat -A POSTROUTING -s 172.16.84.2 -j MASQUERADE Once this is all done, the router has internet access over the USB connection to my PC. I am trying to replicate this exact setup on my MacBook now (Snow Leopard), but iptables does not exist for OSX, not even a Macports version exists. I have scoured through other questions on StackOverflow that cover the usage of the ipfw command, which apparently works as a drop-in replacement for iptables. However, the syntax is significantly different, and I'm pretty much lost. Does anyone with some experience with ipfw have some suggestions on how I could accomplish this and create a NAT connection via IP masquerading like I could with my Ubuntu PC? Thank you for your assistance.

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  • PPTP server connection closes - Too much data?

    - by Sebastian Hoitz
    I set up a PPTP server for my company. However, every time I have another computer connected to this server (i.e. our backup server) and a lot of data gets transferred, the connection to this computer closes. In the syslog on the PPTP server I find this message: Apr 22 12:44:34 komola-chase pptpd[2581]: CTRL: Reaping child PPP[2583] Apr 22 12:44:34 komola-chase pppd[2583]: MPPE disabled Apr 22 12:44:34 komola-chase pppd[2583]: Connection terminated. Apr 22 12:44:34 komola-chase pppd[2583]: Exit. Apr 22 12:44:34 komola-chase pptpd[2581]: CTRL: Client 192.168.0.11 control connection finished Apr 22 12:55:11 komola-chase pptpd[2674]: GRE: xmit failed from decaps_hdlc: No buffer space available Apr 22 12:55:11 komola-chase pptpd[2674]: CTRL: PTY read or GRE write failed (pty,gre)=(6,7) Apr 22 12:55:11 komola-chase pppd[2675]: Modem hangup Apr 22 12:55:11 komola-chase pppd[2675]: Connect time 23.0 minutes. Hopefully you can help me as to what is wrong. As far as I can tell, there is no compression enabled on the PPTP server (npbsdcomp option). Thank you!

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  • Is 30 calls / second a lot for one IIS server?

    - by Lieven Cardoen
    We have a RIA application that 300 clients concurrently use in an intranet environment. Together they make 30 calls / second to IIS (asp.net) (actually it's 60 but calls are loadbalanced over two IIS servers). Half of the calls is getting an asset (Caching Profile is used so most of the time cache is hit), the other half is saving data to a sql server. Retrieving an asset is done with a aspx page. Saving the data happens via WebORB, asp.net and Sql Server. So some processing is needed by WebORB (amf decoding, GZIP, ...). We also use Spring.NET, and some of the container objects have a request scope (not a lot). IIS servers -- Virtual machines, 4 CPU, 2 gb RAM. They are based on Windows 2008 x64 SP2 Enterprise Edition. Sql Server 2008 is used. Apparently CPU of both IIS serers is constantly around 60-70%. Now, my question, is the load of 60-70% acceptable and how could we possible bring that down to less % (maybe using only one IIS server)? + Is 2 gb RAM enough? Assets can be up to 20mb, but on average, they are about 30kb. (the load of 60-70% is achieved with assets around 30kb). The data that gets saved with weborb is very small (2kb) and is just one object.

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  • Why does ATI 5570 HD video card driver installation cause Windows 7 To Blue Screen?

    - by Mort
    This one is for the hive mind. I have a brand new Dell Optiplex 760 workstation with 4 gigabytes of RAM running Windows 7 Professional (32bit). This is a new box with nothing installed other than what was provided for directly by Dell. I installed a Saphire ATI PCI Express 5570 HD. Upon trying to install the 10.4 Catalyst drivers the system will blue screen. It blue screens during the hardware detection phase of the installation process. I have already performed the following trouble shooting steps: Changed system RAM Installed only 2 gigabytes of RAM Installed different versions of Catalyst drivers (10.4 - 9.12) Tried to install video only component of driver (vs entire Catalyst suite) Made sure Windows 7 was fully updated Flashed mother board BIOS to current version Removed and re-seated video card Contacted ATI Support (We all know how this went......) Verified supply outputting properly The blue screen error (via Windows BugCheck entry in event log) is a 0x000000CA and refers to a plug and play error most likely caused by a bad driver. The problem is that the driver installation process never gets far enough to actually install a driver. The resolution center in Windows provides a solution of installing the 10.4 Catalyst driver to resolve issue (which fails). Looking for some alternate views to resolve.

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  • Windows 7 Media Center PC not displaying MKV files properly

    - by David
    Does anyone know why Windows Media Center wouldn't correctly display a 16x9 video? I just upgraded my home-built HTPC from Vista Ultimate (hey, it was a giveaway) to Windows 7 Ultimate - clean install. After that, I installed the Divx7 beta (to get .MKV support) and AC3filter (so I could HEAR the MKV files). Previously, under Vista Ultimate (32 bit), I had Arcsoft's Total Theater Pro for playing Blu-Rays and MKV decoding under Media Center. Now when I play a 720p 16x9 MKV file, I get some 'letterboxing' - like it's halfway between 4x3 and 16x9 - with the aspect ration looking alightly squished as a result. Here's the wierd part. If I use the Media Center connection software in my XBox 360 - it plays perfectly, filling the 16x9 screen edge-to-edge, just like Vista's WMC software USED to. Of course, beats the network up because the XBox goes to the HTPC, the HTPC goes to my WHS machine to fetch the data, it comes back to the HTPC, gets transcoded and streamed back to the Xbox. I'm running the latest drivers for an NVidia card (as fetched by Windows 7). I have no idea WHY this is because if I play "ordinary" (i.s. SD) Divx files that are 16x9, they play just fine, scaled right up to my screen's edges. It puzzles me as to why the same machine that properly converts the bits for the Xbox can't display/scale them properly for the attached display. Mind you, Windows Media Player exhibits the same symptoms. Ideas?

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  • Calendar sharing between unrelated Domains

    - by vlannoob
    I have a 'request' from one of the 'big guys' that has me scratching my head a bit. He is one of our Executives that also is a board member of several other organistations, so he floats around between 4 different unrelated companies, each with their own domains, Exchange setup etc. He has domain accounts in each organisation. He has an iPad with multiple Exchange accounts so he can see all his calendars which works Ok for him - Apple calendaring bugs/flaws aside. What he wants is the ability for 'reception staff' at each organisation to 'see' all his calendars as they are booking things for him in their respective organisations calendars without it conflicting with bookings made in his calendars by other organisations......you with me?? So for example: Company A books a meeting into his Comapny A calendar at 9am Monday and Company B books him a meeting in his Company B Calendar at 9:15am Monday on the other side of town and of course Company C has him booked in all day Monday on their Company C calendar. He gets all those on his iPad but he would like either a 'global' calendar all can see and book into or the ability for receptionists at Company's A,B and C to see all the Calendars to avoid these kind of conflicts. I told him to 'go away' straight off the bat, I don't control anything to do with the other companies or know their infrastructure. And quite frankly I don't want any part of it...but he's whining and he's high enough up the food chain that I can't ignore him forever. I'm open to suggestions. Is there any third party software/services that can facilitiate this kind of setup? I really don't want to be creating users in my AD structure to people not ion our organisation so they can get access to his calendar and I am sure there sysadmins feel the same. As usual - any advice is greatly appreciated ;)

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  • Recommendation for Document Management Solution

    - by BillN
    We've just been informed by our software vendor that the custom document management system they'd written is no longer in development, and will not be supported in the future. So we are looking at new document management systems. Requirements: Multiple input vectors, we receive documents via e-mail, fax, scanning, and from the originating application Ability to Redact or obscure data. Customers may fax an order with CC data, we want to attach the image of the order form with the order record, but the CC data needs to be protected. Same with Tax IDs. Certain users should be able to see the redacted data, but access should be logged. Version control on documents. We'd like Product Development and Marketing to be able to track various versions of documents like Packaging Designs, but ensure that users have the latest approved version. AD integration, my users don't need another password. Ability to integrate to other apps. Our current system, offers function keys in the order-entry system, that will spawn the viewer application, and open the correct document. Mass import facility, we have a half a terabyte of existing documents in the old system that we would like to import. Retention Policy. I'd like a way to have the system comply with the corporate retention policy, so that when a document of a certain type reaches a certain age, it gets deleted, or atleast marked for manual deletion. We are a Windows Server and HP-UX shop. Does anybody have any experience with Document Management systems that they would like to share? Thanks.

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  • How to fix Browser Blue Screen of Death?

    - by WilliamKF
    I am running Windows XP SP3 and Firefox v3.6.2 and Internet Explorer and have an issue with Firefox and IE causing the Blue Screen of Death. If I run in Windows safe mode, it does not occur, but running normally, it seems my firefox profile is going bad and results in certain web pages causing the BSOD. IE is also getting BSOD on some pages. For example, presently, if I visit ebay.com in Firefox, it gets BSOD. It also fails when visiting http://www.google.com/ig?hl=en&source=iglk. IT removed my Firefox profile and that seemed to fix the issue for a while. However, now it has started occurring again. I turned off all firefox extensions and it still occurs. I'd like to fix my system so this does not occur. The IT folks don't seem to be able to solve this, so I am trying to fix it on my own. The BSOD is about something like (from memory) DRIVER_IRQL_NOT_LESS_OR_EQUAL. Why would safe mode avoid the issue and what does that tell us about the probable cause? I don't want to have to keep deleting my profile, so I'd like to find out the cause of the corruption.

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  • Network Traffic Log

    - by Chris Becke
    Background - On my "home" network I have a Linksys WTR45GL router providing my internet access as well as a wireless AP. Connected I have * 2 Windows PCs (wired) * At least one laptop (Wired) * Some 802.11 enabled handheld consoles (PSPs) * A Nintendo Wii * Some windows XP pcs used by the people in the granny flat. Where I live, South Africa, well, 1Gb worth of monthly cap is, while not expensive, costly enough that I'd like to be sure that all the bandwidth used by devices on my network is ... well ... legitimate and not the result of neighbors parasiting my wireless, malware or just the result of "liberal" download policies in my software. I got the Linksys WRT45GL on the understanding that there were custom firmwares (DD-WRT and Tomato) that allowed bandwidth tracking, but there doesn't seem to be any facility to get a log of traffic that can be examined to see (a) which local devices were the biggest consumers of bandwidth and (b) what they were connected to. What tools are there for logging traffic such that, when it gets to that OMG moment in the month when all my bandwidth is gone, I have a chance to find out what the hell used it all up (and hopefully attempt some corrective action).

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  • Domino nchronos.exe multiple instances causing server to die, and Sametime problems

    - by Kevin
    I've had this problem for a few months now. I thought it started when I installed the Traveller software on the server to add ActiveSync support, but I removed that and the problem still persists. Basically new instances of "nchronos.exe" keeps spawning (and not ending), so over a period of a few days the server eventually gets drowned in nchronos.exe processes, stops responding and I need to kill Domino. My process count the last time was up at about 330, and when I killed it and restarted the Domino my process count went to 160. I'm running Domino 8.5.1 with Fix Pack 2. I don't know if it's relevant, but my Domino server was also acting as a Sametime server. At around the same time that nchronos started playing up sametime also stopped working. None of my users can connect to sametime and in the domino log it keeps telling me "stpolicy.exe" has terminated. I've googled for that and tried a few things, but nothing seems to make sametime work again. Any thoughts?? Cheers, Kevin

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  • supervisord launches with wrong setuid

    - by friendzis
    I am trying to test a pilot system with nginx connecting to uwsgi served application controlled by supervisord running on ubuntu-server. Application is written in python with Flask in virtualenv, although I'm not sure if that is relevant. To test the system I have created a simple hello world with flask. I want nginx and uwsgi both to run as www-data user. If I launch uwsgi "manually" from root shell I can see uwsgi processes runing as appropriate user (www-data). Although, if I let supervisor launch the application something strange happens - uwsgi processes are runing under my user (friendzis). Consequently, socket file gets created under wrong user and nginx cannot communicate with my applicaion. note: the linux server runs as Hyper-V VM, under Windows Server 2008. Relevant configuration: [uwsgi] socket = /var/www/sockets/cowsay.sock chmod-socket = 666 abstract-socket = false master = true workers = 2 uid = www-data gid = www-data chdir = /var/www/cowsay/cowsay pp = /var/www/cowsay/cowsay pyhome = /var/www/cowsay module = cowsay callable = app supervisor [program:cowsay] command = /var/www/cowsay/bin/uwsgi -s /var/www/sockets/cowsay.sock -w cowsay:app directory = /var/www/cowsay/cowsay user = www-data autostart = true autorestart = true stdout_logfile = /var/www/cowsay/log/supervisor.log redirect_stderr = true stopsignal = QUIT I'm sure I'm missing some minor detail, but I'm unable to notice it. Would appreciate any suggestions.

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  • Locating memory leak in Apache httpd process, PHP/Doctrine-based application

    - by Sam
    I have a PHP application using these components: Apache 2.2.3-31 on Centos 5.4 PHP 5.2.10 Xdebug 2.0.5 with Remote Debugging enabled APC 3.0.19 Doctrine ORM for PHP 1.2.1 using Query Caching and Results Caching via APC MySQL 5.0.77 using Query Caching I've noticed that when I start up Apache, I eventually end up 10 child processes. As time goes on, each process will grow in memory until each one approaches 10% of available memory, which begins to slow the server to a crawl since together they grow to take up 100% of memory. Here is a snapshot of my top output: PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 1471 apache 16 0 626m 201m 18m S 0.0 10.2 1:11.02 httpd 1470 apache 16 0 622m 198m 18m S 0.0 10.1 1:14.49 httpd 1469 apache 16 0 619m 197m 18m S 0.0 10.0 1:11.98 httpd 1462 apache 18 0 622m 197m 18m S 0.0 10.0 1:11.27 httpd 1460 apache 15 0 622m 195m 18m S 0.0 10.0 1:12.73 httpd 1459 apache 16 0 618m 191m 18m S 0.0 9.7 1:13.00 httpd 1461 apache 18 0 616m 190m 18m S 0.0 9.7 1:14.09 httpd 1468 apache 18 0 613m 190m 18m S 0.0 9.7 1:12.67 httpd 7919 apache 18 0 116m 75m 15m S 0.0 3.8 0:19.86 httpd 9486 apache 16 0 97.7m 56m 14m S 0.0 2.9 0:13.51 httpd I have no long-running scripts (they all terminate eventually, the longest being maybe 2 minutes long), and I am working under the assumption that once each script terminates, the memory it uses gets deallocated. (Maybe someone can correct me on that). My hunch is that it could be APC, since it stores data between requests, but at the same time, it seems weird that it would store data inside the httpd process. How can I track down which part of my app is causing the memory leak? What tools can I use to see how the memory usage is growing inside the httpd process and what is contributing to it?

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  • Spotlight can't see anything in Applications

    - by mix
    There have been other threads on this but none of the solutions mentioned have helped me. Spotlight has stopped showing any results for my Applications. I've tried reindexing and removing the index so it rebuilds it. No change. I've tried adding Applications to the Privacy tab and removing it, no change. I tried repairing disk permissions and redoing the above, no change. I've tried removing everything from the index except Applications and then I just get nothing for any search at all (except dictionary entries). I tried adding a symlink in my homedir to Applications and reindexing, but no change. Any ideas on what to do? I'm running Snow Leopard. This is driving me crazy! Update: I've noticed that when I start a reindex with sudo mdutil -E / and then immediately do a spotlight search for an app that the app shows up temporarily until spotlight gets disabled due to active indexing. After the indexing is done the app entries go away.

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  • Outlook express 6 crashes after "synchonizing account"

    - by Ira Baxter
    [EDIT: Revised OE version to match reality] I use Outlook Express (OE) 6.00.3790.3959 to read newsgroups. I regularly scan through about 100 newsgroups. When I select a newsgroup, and then select "synchronize account", OE goes through the newsgroups visibly updating the unread message count. It gets apparantly to the end, and then comes back to check for Watched Conversations, of which I typically have a few scattered across the newsgroups. It invariably crashes with some kind of access fault. A dialog box pops up saying "Want to debug with "; I invariable say No, and the process goes away. I restart OE, select the newsgroup, and skip "Synchronize Account"; I am able to read news and everything seems just fine. This behavior has occurred since I set it up several months ago. Is the newsgroups database screwed up? Can I run something like CHKDSK or Outlooks PST repair to fix things up? Any suggestions as to what to do? The system is Windows XP 64 system installed in January 2008. I accept Windows Updates and install them on a regular basis. I use Outlook (not OE) for regular email an it behaves perfectly normally.

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  • RRAS VPN on windows 2k3 AD, can access rras server only.

    - by nopsax
    I'm setting up a test lab and here is the current configuration: 192.168.86.201 - a windows 2003 machine acting as PDC with AD/DNS/DHCP/WINS. 192.168.86.62 - windows 2003 machine is the RRAS server with IAS, also a file/print server. 192.168.86.6 - gateway/router to internet 192.168.86.21 - Windows XP Workstation Everything works on the internal network, File/Print/AD etc. Whenever a user connects via vpn to the RRAS server remotely using their domain credentials, they are assigned an ip address from the 192.168.86.201 machine along with the wins server address etc. The vpn user can then ping/access resources on the RRAS server, but cannot ping/access resources of any other machines by name or ip. However, if I ping by name, it does resolve to the correct ip address, just no replies. I did notice that on the RRAS server the 'internal' interface gets an ip address of 192.168.86.75 when a remote user connects, and the remote user is assigned, for example 192.168.86.71 . The RRAS server responds on both the .62 and .75 ip addresses. The client also unchecks the 'use remote default gateway option'. Also, I tried connecting a laptop to the physical network, joining the domain, then going remote and dialing the connection before domain login, and everything seems to work, e.g. browse-able shares via network neighborhood. But I can't really join the domain remotely if I cannot access any other resources. I really need to monitor traffic to see whats happening to those packets but won't be able to until this weekend. Any help is appreciated, will provide whatever configurations are needed.

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  • How do I troubleshoot a slow hard drive?

    - by Bruce Connor
    My computer is suffering of slow-downs and I'm not surprised (it's around 6 years old). Here's what I've verified: They are not very frequent (only a couple of times a day). When they happen a single application will hang for 10-60 seconds, while the rest don't hang but also get slow. Even as it is happening, the CPU usage stays low. It happens to applications (such as text editor, firefox, skype). It never happens to some applications (such as games) which I use for hours under heavy CPU load. Also of note: The Graphics card and PSU are new (around a year). Though I have a decent amount of software installed right now, this was happening even right after I reinstalled Windows. This HDD has been through many partinioning schemes, and a few heavy operations (such as moving around 200GB of data). Because of the above, I am already 70% sure the problem is with the hard drive. Before I replace it, however, I want to rule out other less likely possibilities (such as RAM, software, or PSU). I don't have the money to replace the entire box right now, but I can easily replace one of the components. I've read several questions (such as this one) which give general guidance on troubleshooting an unknown issue, that is not what I'm looking for here. My main question is: What tests or benchmarks can I run to verify I have a problematic hard drive? I don't need to solve this problem, I am content with just making sure it's the hard drive. I could borrow a newer hard drive from a friend and see if it gets better. A positive result would rule out all other components, but it wouldn't rule out a software issue (since this new hard drive won't have any of the software I use daily). Running on Windows/Linux.

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  • What determines what resolutions a laptop is willing to output over VGA?

    - by Joshua McKinnon
    I'm responsible for several conference rooms and have setup 1080p projectors and I provide both HDMI and VGA connectivity. HDMI for DisplayPort and Mini-DisplayPort, and VGA as a fallback, universal option. Contrary to what I expected, people seem to have much more trouble with the HDMI than VGA, so VGA gets used a lot more than you'd think (even as most workstation laptops made in the last 3-4 years have DisplayPort or Mini-DisplayPort...). Also to my surprise, VGA outputs over 1080p on a 50ft cable run with very minimal degradation on certain laptops - other laptops just don't offer 1080p as a resolution choice and top out at 1600x1200 or something else. Specific example: a ThinkPad W530 will do 1080p, a W520 won't, over VGA. (both do 1080p over displayport/mini-DP) What determines what resolutions a laptop is willing to output over VGA? I'm thinking this will come down to either a video driver that says it supports only certain resolutions for output, or limitations of the RAMDAC (which wouldn't be in play, at least DAC wise, on a digital output, but WOULD on VGA, an analog output). The basic reason for the question is that I noticed, say, a ThinkPad W520 with 1080p built in display, will output 1080p fine over DisplayPort to a 1080p projector, but will cap out at 1600x1200 (practically the same pixel count, just a little shy) on VGA. Now, this wouldn't be surprising at all except SOME laptops have no issue outputting 1080p over VGA, even with lower native resolutions. Why do I care? Well if there's some way I could enable it... for situations where my users end up using VGA anyway, it's preferable for display mirroring if they can output their laptop's native resolution, which, you guessed it, is very often 1080p on 15" models. DISCLAIMER: This is primarily a curiosity, I'm not claiming 1080p over VGA is ideal by any means, but hey, if it works. I've seen HDMI start artifacting more over same-length, same gauge cabling (up to 50' run in certain rooms). If you think this is better suited to SuperUser, please move it, but this is framed from an IT standpoint of something that affects a real pool of users in a multiple conference room, 50+ deployed laptop scenario.

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  • Esx servers in a DMZ

    - by James
    I have two ESX 3.5 servers in a DMZ. I can access these servers on any port from my lan via a VPN. Servers in the DMZ are unable to initiate connections back to the lan, for obvious reasons. I have a vCenter server on my lan and can initially connect to the esx servers fine. However the esx servers then try to send a hearth beat back to the vCenter server on udp/902 obviously this will not get back to the vCenter server, which then marks the ESX servers as not responding and disconnects. There are two broad solutions I can think of; 1) Try to tell vCenter to ignore not getting heart beats. The best I can do here is delay the disconnect by 3 mins. 2) Try some clever network solution. However again I am at loss. Note: The vCenter server is on a lan, and cannot be given a public IP, so firewall rules back will not work. And also I cannot setup a VPN from the DMZ to the lan. **I am adding the following, explanation that I added to the comments Ok maybe this is the bit that I not explaining well. The DMZ is on a remote site, an entirely independent network (network 1). The vCenter server is on our office lan (network 2). Network 2 can connect to any machine on any port on network 1. But network 1 is not allowed to initiate a connection to network 2. Any traffic destined to network 2 from network 1 gets dropped by the firewall as it is traffic to a non-routable address. The only solution I can think of is setting up a VPN from network 1 to network 2, but this is not acceptable So any clever folk out there any ideas? J

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  • Test whether svn REPO changes are reflected in Working Copy

    - by user492160
    Requirement Changes will be made to the REPO directory and this should get updated to wc(working copy) as opposed to the normal way of WC REPO. Senario: My svn repo- /var/www/svn/drupal My checkout-dir/working-copy- /var/www/html/drupalsite So I've done: edited post-commit hook to contain: "/usr/bin/svn update /var/www/html/drupalsite" I won't make any change to svn WC. I'll make changes to svn REPO- /var/www/svn/drupal. After changes are made to svn repo, run "svn commit /var/www/html/drupalsite". This will trigger the post-commit hook. This inturn will run "svn update /var/www/svn/drupal" and thus my WC will get updated with the changes of REPO. Query a. Would the above steps 1-3 help achieve my 'Requirement'? b. I'd need advise on how to test if the above setup works successfully or not. I'm at loss about the success of steps 1-3 the reason why query(a) is present. This is a bit more of a concern for me. NB: I'm new to subversion. Whatever I've configured till now have been done by reading articles online. Reason for query (b) is because I'm not into development. It seems to be a php drupal website and I happen to be setting it up. So I'm not aware as to how to make a "PROPER" change in REPO so that it gets reflected in WC. If reflected, my configs are right and the team can start on development. I manually put a random file/folder into REPO dir for seeing a change in WC and ran steps 1-3 but was of no avail and later on learned that it was NOT the way to make a change to a REPO. Pleas advise. Thanks

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  • Problem using a public key when connecting to a SSH server running on Cygwin

    - by Deleted
    We have installed Cygwin on a Windows Server 2008 Standard server and it working pretty well. Unfortunately we still have a big problem. We want to connect using a public key through SSH which doesn't work. It always falls back to using password login. We have appended our public key to ~/.ssh/authorized_keys on the server and we have our private and public key in ~/.ssh/id_dsa respective ~/.ssh/id_dsa.pub on the client. When debugging the SSH login session we see that the key is offered by the server apparently rejects it by some unknown reason. The SSH output when connecting from an Ubuntu 9.10 desktop with debug information enabled: $ ssh -v 192.168.10.11 OpenSSH_5.1p1 Debian-6ubuntu2, OpenSSL 0.9.8g 19 Oct 2007 debug1: Reading configuration data /home/myuseraccount/.ssh/config debug1: Reading configuration data /etc/ssh/ssh_config debug1: Applying options for debug1: Connecting to 192.168.10.11 [192.168.10.11] port 22. debug1: Connection established. debug1: identity file /home/myuseraccount/.ssh/identity type -1 debug1: identity file /home/myuseraccount/.ssh/id_rsa type -1 debug1: identity file /home/myuseraccount/.ssh/id_dsa type 2 debug1: Checking blacklist file /usr/share/ssh/blacklist.DSA-1024 debug1: Checking blacklist file /etc/ssh/blacklist.DSA-1024 debug1: Remote protocol version 2.0, remote software version OpenSSH_5.3 debug1: match: OpenSSH_5.3 pat OpenSSH debug1: Enabling compatibility mode for protocol 2.0 debug1: Local version string SSH-2.0-OpenSSH_5.1p1 Debian-6ubuntu2 debug1: SSH2_MSG_KEXINIT sent debug1: SSH2_MSG_KEXINIT received debug1: kex: server->client aes128-cbc hmac-md5 none debug1: kex: client->server aes128-cbc hmac-md5 none debug1: SSH2_MSG_KEX_DH_GEX_REQUEST(1024<1024<8192) sent debug1: expecting SSH2_MSG_KEX_DH_GEX_GROUP debug1: SSH2_MSG_KEX_DH_GEX_INIT sent debug1: expecting SSH2_MSG_KEX_DH_GEX_REPLY debug1: Host '192.168.10.11' is known and matches the RSA host key. debug1: Found key in /home/myuseraccount/.ssh/known_hosts:12 debug1: ssh_rsa_verify: signature correct debug1: SSH2_MSG_NEWKEYS sent debug1: expecting SSH2_MSG_NEWKEYS debug1: SSH2_MSG_NEWKEYS received debug1: SSH2_MSG_SERVICE_REQUEST sent debug1: SSH2_MSG_SERVICE_ACCEPT received debug1: Authentications that can continue: publickey,password,keyboard-interactive debug1: Next authentication method: publickey debug1: Offering public key: /home/myuseraccount/.ssh/id_dsa debug1: Authentications that can continue: publickey,password,keyboard-interactive debug1: Trying private key: /home/myuseraccount/.ssh/identity debug1: Trying private key: /home/myuseraccount/.ssh/id_rsa debug1: Next authentication method: keyboard-interactive debug1: Authentications that can continue: publickey,password,keyboard-interactive debug1: Next authentication method: password [email protected]'s password: The version of Cygwin: $ uname -a CYGWIN_NT-6.0 servername 1.7.1(0.218/5/3) 2009-12-07 11:48 i686 Cygwin The installed packages: $ cygcheck -c Cygwin Package Information Package Version Status _update-info-dir 00871-1 OK alternatives 1.3.30c-10 OK arj 3.10.22-1 OK aspell 0.60.5-1 OK aspell-en 6.0.0-1 OK aspell-sv 0.50.2-2 OK autossh 1.4b-1 OK base-cygwin 2.1-1 OK base-files 3.9-3 OK base-passwd 3.1-1 OK bash 3.2.49-23 OK bash-completion 1.1-2 OK bc 1.06-2 OK bzip2 1.0.5-10 OK cabextract 1.1-1 OK compface 1.5.2-1 OK coreutils 7.0-2 OK cron 4.1-59 OK crypt 1.1-1 OK csih 0.9.1-1 OK curl 7.19.6-1 OK cvs 1.12.13-10 OK cvsutils 0.2.5-1 OK cygrunsrv 1.34-1 OK cygutils 1.4.2-1 OK cygwin 1.7.1-1 OK cygwin-doc 1.5-1 OK cygwin-x-doc 1.1.0-1 OK dash 0.5.5.1-2 OK diffutils 2.8.7-2 OK doxygen 1.6.1-2 OK e2fsprogs 1.35-3 OK editrights 1.01-2 OK emacs 23.1-10 OK emacs-X11 23.1-10 OK file 5.04-1 OK findutils 4.5.5-1 OK flip 1.19-1 OK font-adobe-dpi75 1.0.1-1 OK font-alias 1.0.2-1 OK font-encodings 1.0.3-1 OK font-misc-misc 1.1.0-1 OK fontconfig 2.8.0-1 OK gamin 0.1.10-10 OK gawk 3.1.7-1 OK gettext 0.17-11 OK gnome-icon-theme 2.28.0-1 OK grep 2.5.4-2 OK groff 1.19.2-2 OK gvim 7.2.264-1 OK gzip 1.3.12-2 OK hicolor-icon-theme 0.11-1 OK inetutils 1.5-6 OK ipc-utils 1.0-1 OK keychain 2.6.8-1 OK less 429-1 OK libaspell15 0.60.5-1 OK libatk1.0_0 1.28.0-1 OK libaudio2 1.9.2-1 OK libbz2_1 1.0.5-10 OK libcairo2 1.8.8-1 OK libcurl4 7.19.6-1 OK libdb4.2 4.2.52.5-2 OK libdb4.5 4.5.20.2-2 OK libexpat1 2.0.1-1 OK libfam0 0.1.10-10 OK libfontconfig1 2.8.0-1 OK libfontenc1 1.0.5-1 OK libfreetype6 2.3.12-1 OK libgcc1 4.3.4-3 OK libgdbm4 1.8.3-20 OK libgdk_pixbuf2.0_0 2.18.6-1 OK libgif4 4.1.6-10 OK libGL1 7.6.1-1 OK libglib2.0_0 2.22.4-2 OK libglitz1 0.5.6-10 OK libgmp3 4.3.1-3 OK libgtk2.0_0 2.18.6-1 OK libICE6 1.0.6-1 OK libiconv2 1.13.1-1 OK libidn11 1.16-1 OK libintl3 0.14.5-1 OK libintl8 0.17-11 OK libjasper1 1.900.1-1 OK libjbig2 2.0-11 OK libjpeg62 6b-21 OK libjpeg7 7-10 OK liblzma1 4.999.9beta-10 OK libncurses10 5.7-18 OK libncurses8 5.5-10 OK libncurses9 5.7-16 OK libopenldap2_3_0 2.3.43-1 OK libpango1.0_0 1.26.2-1 OK libpcre0 8.00-1 OK libpixman1_0 0.16.6-1 OK libpng12 1.2.35-10 OK libpopt0 1.6.4-4 OK libpq5 8.2.11-1 OK libreadline6 5.2.14-12 OK libreadline7 6.0.3-2 OK libsasl2 2.1.19-3 OK libSM6 1.1.1-1 OK libssh2_1 1.2.2-1 OK libssp0 4.3.4-3 OK libstdc++6 4.3.4-3 OK libtiff5 3.9.2-1 OK libwrap0 7.6-20 OK libX11_6 1.3.3-1 OK libXau6 1.0.5-1 OK libXaw3d7 1.5D-8 OK libXaw7 1.0.7-1 OK libxcb-render-util0 0.3.6-1 OK libxcb-render0 1.5-1 OK libxcb1 1.5-1 OK libXcomposite1 0.4.1-1 OK libXcursor1 1.1.10-1 OK libXdamage1 1.1.2-1 OK libXdmcp6 1.0.3-1 OK libXext6 1.1.1-1 OK libXfixes3 4.0.4-1 OK libXft2 2.1.14-1 OK libXi6 1.3-1 OK libXinerama1 1.1-1 OK libxkbfile1 1.0.6-1 OK libxml2 2.7.6-1 OK libXmu6 1.0.5-1 OK libXmuu1 1.0.5-1 OK libXpm4 3.5.8-1 OK libXrandr2 1.3.0-10 OK libXrender1 0.9.5-1 OK libXt6 1.0.7-1 OK links 1.00pre20-1 OK login 1.10-10 OK luit 1.0.5-1 OK lynx 2.8.5-4 OK man 1.6e-1 OK minires 1.02-1 OK mkfontdir 1.0.5-1 OK mkfontscale 1.0.7-1 OK openssh 5.4p1-1 OK openssl 0.9.8m-1 OK patch 2.5.8-9 OK patchutils 0.3.1-1 OK perl 5.10.1-3 OK rebase 3.0.1-1 OK run 1.1.12-11 OK screen 4.0.3-5 OK sed 4.1.5-2 OK shared-mime-info 0.70-1 OK tar 1.22.90-1 OK terminfo 5.7_20091114-13 OK terminfo0 5.5_20061104-11 OK texinfo 4.13-3 OK tidy 041206-1 OK time 1.7-2 OK tzcode 2009k-1 OK unzip 6.0-10 OK util-linux 2.14.1-1 OK vim 7.2.264-2 OK wget 1.11.4-4 OK which 2.20-2 OK wput 0.6.1-2 OK xauth 1.0.4-1 OK xclipboard 1.1.0-1 OK xcursor-themes 1.0.2-1 OK xemacs 21.4.22-1 OK xemacs-emacs-common 21.4.22-1 OK xemacs-sumo 2007-04-27-1 OK xemacs-tags 21.4.22-1 OK xeyes 1.1.0-1 OK xinit 1.2.1-1 OK xinput 1.5.0-1 OK xkbcomp 1.1.1-1 OK xkeyboard-config 1.8-1 OK xkill 1.0.2-1 OK xmodmap 1.0.4-1 OK xorg-docs 1.5-1 OK xorg-server 1.7.6-2 OK xrdb 1.0.6-1 OK xset 1.1.0-1 OK xterm 255-1 OK xz 4.999.9beta-10 OK zip 3.0-11 OK zlib 1.2.3-10 OK zlib-devel 1.2.3-10 OK zlib0 1.2.3-10 OK The ssh deamon configuration file: $ cat /etc/sshd_config # $OpenBSD: sshd_config,v 1.80 2008/07/02 02:24:18 djm Exp $ # This is the sshd server system-wide configuration file. See # sshd_config(5) for more information. # This sshd was compiled with PATH=/bin:/usr/sbin:/sbin:/usr/bin # The strategy used for options in the default sshd_config shipped with # OpenSSH is to specify options with their default value where # possible, but leave them commented. Uncommented options change a # default value. Port 22 #AddressFamily any #ListenAddress 0.0.0.0 #ListenAddress :: # Disable legacy (protocol version 1) support in the server for new # installations. In future the default will change to require explicit # activation of protocol 1 Protocol 2 # HostKey for protocol version 1 #HostKey /etc/ssh_host_key # HostKeys for protocol version 2 #HostKey /etc/ssh_host_rsa_key #HostKey /etc/ssh_host_dsa_key # Lifetime and size of ephemeral version 1 server key #KeyRegenerationInterval 1h #ServerKeyBits 1024 # Logging # obsoletes QuietMode and FascistLogging #SyslogFacility AUTH #LogLevel INFO # Authentication: #LoginGraceTime 2m #PermitRootLogin yes StrictModes no #MaxAuthTries 6 #MaxSessions 10 RSAAuthentication yes PubkeyAuthentication yes AuthorizedKeysFile .ssh/authorized_keys # For this to work you will also need host keys in /etc/ssh_known_hosts #RhostsRSAAuthentication no # similar for protocol version 2 #HostbasedAuthentication no # Change to yes if you don't trust ~/.ssh/known_hosts for # RhostsRSAAuthentication and HostbasedAuthentication #IgnoreUserKnownHosts no # Don't read the user's ~/.rhosts and ~/.shosts files #IgnoreRhosts yes # To disable tunneled clear text passwords, change to no here! #PasswordAuthentication yes #PermitEmptyPasswords no # Change to no to disable s/key passwords #ChallengeResponseAuthentication yes # Kerberos options #KerberosAuthentication no #KerberosOrLocalPasswd yes #KerberosTicketCleanup yes #KerberosGetAFSToken no # GSSAPI options #GSSAPIAuthentication no #GSSAPICleanupCredentials yes # Set this to 'yes' to enable PAM authentication, account processing, # and session processing. If this is enabled, PAM authentication will # be allowed through the ChallengeResponseAuthentication and # PasswordAuthentication. Depending on your PAM configuration, # PAM authentication via ChallengeResponseAuthentication may bypass # the setting of "PermitRootLogin without-password". # If you just want the PAM account and session checks to run without # PAM authentication, then enable this but set PasswordAuthentication # and ChallengeResponseAuthentication to 'no'. #UsePAM no AllowAgentForwarding yes AllowTcpForwarding yes GatewayPorts yes X11Forwarding yes X11DisplayOffset 10 X11UseLocalhost no #PrintMotd yes #PrintLastLog yes TCPKeepAlive yes #UseLogin no UsePrivilegeSeparation yes #PermitUserEnvironment no #Compression delayed #ClientAliveInterval 0 #ClientAliveCountMax 3 #UseDNS yes #PidFile /var/run/sshd.pid #MaxStartups 10 #PermitTunnel no #ChrootDirectory none # no default banner path #Banner none # override default of no subsystems Subsystem sftp /usr/sbin/sftp-server # Example of overriding settings on a per-user basis #Match User anoncvs #X11Forwarding yes #AllowTcpForwarding yes #ForceCommand cvs server I hope this information is enough to solve the problem. In case any more is needed please comment and I'll add it. Thank you for reading!

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  • Load Testing a Security/Gateway Appliance

    - by Joel Coel
    In a couple weeks I will load testing a security/gateway appliance. We're a small residential college, and that "residential" means the traffic moving through the appliance is a bit like the Wild West. We have everything from Facebook to World of Warcraft, BitTorrent to Netflix, or Halo to YouTube... basically anything you might find in the home of a high-school or college aged person. Somewhere in there some real academic work gets done as well. We rely on our current appliance for traffic shaping, antivirus, malware filtering, intrusion detection on our servers, logging and abuse reporting, and even some content filtering. All this puts a decent load when we have students around, and I'm concerned about the ability of the new candidate to keep up. On paper it should handle things, but I'm worried. Prior experience is that vendors greatly over-report what an appliance can handle. The product also includes a licensed session limit, and I'm also worried that just a few misbehaving students could unwittingly bring us to that limit and cause service disruptions. I need to know this will work for our campus in order to commit to it. Going a performance level higher in that product takes the pricing way out of line with what we expect and have done in the past. What I need is a good way to load test this guy. My problem is that our current level of summer traffic is less than one percent of what it will be when students come back just six weeks from now. Any ideas on how to really stress this thing and see what it can do, in a way that will give me some clear ideas o. How that will scale for our campus? For the curious, I'm looking at a Watchguard 515, but it could be anything. If I were evaluating a competitor, I'd ask the same question.

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  • GlusterFS on VMWare ESXi 5

    - by Dharmavir
    I want to build network file system on top of my VMWare ESXi based virtual nodes which are running Ubuntu 12.04 LTS. I am evalaluating options and found that GlusterFS (http://www.gluster.org/) can turn out to be a good choice. Purpose: I have about 2 dozen VM nodes with different configurations, on 2 physical nodes which has following configuration: 16 core Intel Xeon 1 TB 48 GB RAM Now as I said earlier each Physical server has about 1TB hdd and I can increase if I want additional so for now I have 2TB disk space available, these space is distributed in VM nodes I have created on which about 2 dozen VM nodes live. Now some of them being application server and mgmt server, they have plenty of free disk space which I want to utilize for some heavy storage which I can not design if I do that individually on single VM node. This way if my storage is distributed between dozens of VM nodes and about 2 or more physical nodes I have some sort of backup as well. I do not mind if data gets stored redundently but per my knowledge it might hapeen that individual VM nodes will not be able to store all of the data because complete data size for example if we take 100GB will exceed VM disk size of 70GB and then VM will also have system and program files on it. I need some suggestion that will GlusterFS be the solution for which I am looking forward to or I should go with something like hadoop? I am not too sure. But yes, I would like to utilize my free space on each VM node and while doing that if I get store data redundently I am okay because it will give me data security.

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  • Can't log in after restoring from Time Machine

    - by Jay Conrod
    My friend uses a Macbook Pro with Snow Leopard 10.6.2. She uses both FileVault and Time Machine to preserve her data. Recently, she suffered a hard disk failure. After restoring from Time Machine using the Snow Leopard install disk, she gets the following error when logging in: You are unable to log in to the FileVault user account at this time. Logging into the account failed because an error occurred. When examining the file system through Terminal, I noticed her home directory is not present: there is no /Users/username directory, or the FileVault .sparsebundle file that's supposed to be there. When using Time Machine.app on /Users, it appears as if her home directory as never there. Additionally, I did a search on the backup disk with the following command: sudo find /Volumes/backup -name '*.sparsebundle' No results. She told me that after working with some large data files, Time Machine would come on, and it would sound like it was transferring a lot of data to the hard disk. Time Machine must have been doing something, right? How can we recover her files? Are they still there?

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