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• Pass parameters to a script securely

  - by codeholic

  What is the best way to pass parameters to a forked script securely? E. g. passing parameters through command line operands is not secure, since someone who has an account on the host can run ps and see them. Unnamed pipe is quite secure, as far as I understand, isn't it? I mean, passing parameters to STDIN of the forked process. What about passing parameters in environment vars? Is it secure? What about passing parameters by other means I didn't mention?

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• what to do when ctrl-c can't kill a process?

  - by Dustin Boswell

  Ctrl-c doesn't always work to kill the current process (for instance, if that process is busy in certain network operations). In that case, you just see "^C" by your cursor, and can't do much else. What's the easiest way to force that process to die now without losing my terminal? Summary of answers below: Usually, you can Ctrl-z to put the process to sleep, and then do "kill -9 process-pid", where you find the process's pid with 'ps' and other tools. On Bash (and possibly other shells) you can do "kill -9 %1" (or '%N' in general) which is easier. If Ctrl-z doesn't work, you'll have to open another terminal and kill from there.

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• Renaming an Invalid Filename in NTFS

  - by Sadeq Dousti

  Recently, I loaned my flash disk to one of my friends, who had Mac OS. He copied a file on it, whose name included a backslash (\). The flash disk is NTFS formatted. Windows does not allow such filenames, and neither opens the file, nor deletes it, nor lets me delete the file. There are naive approaches to this problem, like: Formatting the flash disk; Giving it back to my friend and asking to rename it; Loading into some live Linux and renaming it. However, I'm looking for something more clever, like a program that can do the trick under Windows. PS: There's a tool called NTFSWalker which can browse the MFT records of the NTFS, but is unable to make any changes to them.

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• Use Backup Exec configuration 2010 R3 file on 2012

  - by Roger M

  I'm looking to upgrade my backup solution from Symantec Backup Exec 2010 R3 (Which i believe is the same version as 13) to Backup Exec 2012. Now, it's pretty easy to open BEutility and use the "Copy media server configuration"-function in 2010 R3, but I have not found any answers as to whether this file can be imported flawlessly into 2012 or not. It would save loads of time if it's doable. Since I HAVE TO remove the 2010 installation before installing 2012, it's not possible to just test it. I need to know before I go through with it. Anyone who's tried the same? PS: Running Windows Server Standard 2008 R2

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• How to stream multiple files on demand in VLC?

  - by romkyns

  Is there any way at all that I can set up VLC on a server PC in such a way that I can access a list of all my videos from another PC, and pick one to be streamed on demand? I've been pointed at this streaming guide (pdf), but it's pretty useless. For a start, most of the menus in those screenshots don't match the actual current version VLC, and then it sort of assumes you already know what you're doing. So far I managed to figure out how to stream a single file, which I must choose before watching on the server PC - pretty useless if you ask me! The impenetrable "UI" doesn't help either... (P.S. The reason I'm going for streaming rather than the very simple to set up network drive is described in this question)

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• eCryptfs on ubuntu server : How to keep the home mounted without being over ssh?

  - by Bebeoix

  I have a daemon program who need to read in a file who is saved somewhere in my home folder. But every time I close my ssh connection, this daemon can't read the file because it appear that eCryptfs unmount the home. Maybe there is an option to force eCryptfs to not only mount with an ssh connection ? I didn't found it. Thanks. PS : I know this thread, http://askubuntu.com/questions/165608/why-is-ecryptfs-only-mounting-private-home-directory-over-ssh, but this is not the proper/good way to deal with the request.

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• How do i set a (open_)basedir with php using fastcgi/nginx?

  - by acidzombie24

  Essentially i found out you can limit the folders each user has access to by using php's basedir/open_basedir. I'd like to have each php only access its own files. So i wrote fastcgi_param open_basedir $document_root; in hopes that it would work. It didnt. I googled and only found results saying you cant do it via fastcgi or nginx. Is this true or can i not do it? PS: I -do- spawn php as its own user (rather then www-data) so it doesnt wreak havoc on my nonphp websites. But i still like to prevent one php script on a php site from accessing other directories (if i have a wordpress install on yourface.com its pretty obvious a valid php path is /var/www/yourface/<wordpress scripts>

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• Why is the System process listening on Port 443?

  - by ClearsTheScreen

  I am having problems starting my apache server, because port 443 is already in use. It turns out, the system process (PID 4) uses the port 443. I don't have IIS installed, the services.msc shows (predicatbly) no Exchange server running, nor WWW-Services, nor IIS. I have no idea how to find out what service uses that port short of just disabling each service one after the other, and I am not even sure that would help. I would be grateful if someone could point me towards how I can get my SSL port back, thank you :) P.S.: Of course "just switch apache to another port for SSL" would solve the problem of not being able to start apache. But I'd still like to know what is so insistent about hogging port 443. :)

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• Any freeware/ideas for getting Windows 2008's backups to dump to tape after backing up to disk?

  - by TheCleaner

  I have a Windows 2008 R2 server that is being backed up to an external ISCSI drive nightly. The problem is, we'd like to use our Tape Drive (VXA 320) that Windows sees just fine to take those backups in the "WindowsImageBackup" folder and dump them to tape once a month so that we can at least have something offsite. I really don't want to go through the hassle of licensing BackupExec or similar if possible. All I'm really after is some kind of copy utility that can copy the "WindowsImageBackup" folder over to the tape drive. Ideas? P.S. If by doing this it wouldn't matter for a restore regardless, then let me know, but I would assume I could copy the folder back over to the server and then have Windows Backup find it again.

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• How to move mail accounts when migrating webhosting

  - by pkswatch

  I am migrating my website abc.com from one webhosting company to another in a shared hosting environment. Both have cpanel. And the second hosting account i am preparing to move is my multi-domain hosting account with 3 domains already in it. The problem is, i have many email accounts associated with my website abc.com, which are accessed using webmail. So if i move it to the other host, will i lose all those accounts and their emails? If yes, then how should i synchronise the email accounts so that all the accounts and the contained emails remain intact? I saw some several sync tools like IMAP Sync, etc. But these require two hosts while synchronizing, and as you see, i have just one domain name to be synchronized over 2 servers. PS, i do not have any ssh access on either of them, and i have made complete backup of all files using backup wizard in cpanel.

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• How to make sure you server NIC performance is at best on Windows?

  - by Bobb

  I realised that I followed some obscure paper on setting NICs on Windows for too long. It might be outdated with new hardware released in past couple of years and with W2008R2. I read a bit about offloading and RSS settings on Windows and I realiased that it is very much circumstantial. Noone can really say - enable that and disable this. etc. So what I really want is for my next server try and setup testing environment and measure how my particular application will behave with different settings. The target is going to be latency of TCP primarily. Please note I am talking about latency inside the box. Are there precision tools for Windows to measure latency (down to microseconds)? P.S. I know this is not easy question. Windows time drift is awful problem for any precision test but still I am sure I am not the fist person to need that... Please share your experience

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• Moving from windows to linux : Understanding - X Window System, X Server, Xorg, Xfree86.

  - by claws

  Hello, I'm a windows developer(Win32api) moving from Windows to Linux. While installing linux there are lot of things to know about X11, X Window System, X Server, Xorg, Xfree86 and what not. How come we aren't aware of such things in windows? Wiki article on these scares me. Can any one explain these things? How they work? Why is it so complicated in linux & not in windows? Any good references are also appreciated. PS: I love to know internals, don't hesitate to go into depth.

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• Setting Rails up on a Linode - Nginx Issue

  - by rctneil

  I am extremely new to this so please don't shoot me down: I have set up a Linode running Ubuntu, It is all sort of working except Nginx. I am following this guide: http://rubysource.com/deploying-a-rails-application/ And this for nginx: http://library.linode.com/web-servers/nginx/installation/ubuntu-10.04-lucid When I go to my IP, I get a 500 internal server error. I have tried starting nginx and it looks like it starts fine. I run this: ps awx | grep nginx and I get: 308 ? Ss 0:00 nginx: master process /usr/sbin/nginx 2309 ? S 0:00 nginx: worker process 2311 ? S 0:00 nginx: worker process 2312 ? S 0:00 nginx: worker process 2313 ? S 0:00 nginx: worker process 2850 pts/0 S+ 0:00 grep --color=auto nginx I really am not sure what else to do to get it running. Any help? Neil

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• SQL 2008. I have user in a db which has no login on the server. How is it possible?

  - by Boppity Bop

  I am talking about windows authentication. I dont have access to the server adming rights but a dbadmin sent me screenshot where my user is not in the logins of the server. and also there is only one windows group called admin - databases which I am 100% sure my guy cannot be part of it. BUT... his username is in users of my db... How come user can appear in a db not having login on the server? P.S. in the logs it prints: Login failed for user 'xxxx'. Reason: Token-based server access validation failed with an infrastructure error. Check for previous errors

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• Copy files with original folder structure, but to 8.3 format

  - by kokbira

  I have a folder with a lot of files and folders inside it. I would like to copy that to another location so the result is a folder with the same file and folder structure, but with all files in 8.3 format. How to do it? PS: Well, some files have extensions with more than 3 characters (e.x. home.sh3d, windows.theme etc.), so when I say about transforming all filenames to 8.3 I would like to say about transforming them to a 8.X format (i.e., to do not change extensions).

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• "Device not ready" on a network share in Windows 7

  - by user60689

  I have two computers C1 and C2 runing Windows 7 and both of them are members in a domain. On C1 I have an USB hard-disk which I shared for the users U1 and U2 giving them Read-Only permissions on the entire drive. However, even if I can see and browse the hard-disk localy (IOW from C1), from the other computer (C2) where I'm logged with U1, trying to access the C1's shared device, the C2's Windows 7 throws an error saying "Device Not Ready". Why? How can I fix this? PS: Tried to un-share and re-share again. No luck.

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• How to block access to files in the current directory with .htaccess

  - by kfir

  I have a few private files in a public folder and I want to block access to them. For example lets say I have the following files tree: DictA FileA FileA FileB FileC I want to block access to FileB and FileA in the current directory and allow access to the FileA in the DictA directory. The first thing that came to mind was to use the FilesMatch directive as follows: <FilesMatch "^(?:FileA)|(?:FileB)$"> Deny from all </FilesMatch> The problem here is that FileA inside DictA will also be blocked, which is not what I wanted. I could override that by adding another .htaccess file to DictA but I would like to know if there is a solution which wont involve that. P.S: I can't move the private files to a separate folder.

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• Arch Linux doesn't mount two USB drive?

  - by unixbhaskar

  One is USB modem which is connected and working and problematic one is a plain vfat USB stick which contain data ....that is the fellow not mounting :( I have tried to see it by fdisk ....it doesn't mount autometically... Is there any UDEV rule for that?? Because I have put a udev rule to remove the usb-storage thing( I had to.. otherwise the usb modem wont get connected... it waits for storage to relase the port) Any idea and solution would be greatly appreciated PS: I am running Arch distribution. Thanks

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• Automatically make or update a copy real-time on another hard drive volume whenever files are saved to a particular folder

  - by mrblint

  Whenever I save or update a file to a particular designated folder on my C:\drive I would like to make or update a copy on my network-attached storage device, ideally saving the copy to the NAS as a version rather than overwriting a copy there, if possible. I have Windows 7 x64 Ultimate. Is there any feature built-in that can accomplish this? It has to be a real copy, not merely a pointer. I'm trying to achieve some redundancy for especially critical documents (in a variety of formats) that change frequently throughout the day. P.S. I am looking for folder-level granularity; I wouldn't want this to happen for every file on the C: volume.

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• How can I prevent JungleDisk/MacOS X (10.6) creating a local volume for a removed external drive?

  - by Rew

  Ok, here is situation: I use JungleDisk to sync an online folder on to a external drive connected to my Mac. If I right click Finder, click Go to Folder... then type /Volumes/ I see the drive linked here. Once I remove the external drive, an actual folder is created here in the name of the external drive, JungleDisk continues to copy files to this folder, rather than stop. Is this a feature of Mac OS X? Can I turn if off? After I re-connect my external drive, the link to the drive is appended with a 1 (so if I called the drive SpareDrive it becomes SpareDrive 1 as the newly created folder is called SpareDrive. I realise my explanation isn't very clear, but anyone understand this, and knows how to prevent it happening please let me know. PS: I have a low reputation as I don't use this often, I tend to use stackoverflow, but will check back here for answers.

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• How to specify which GCC for MacPorts to use?

  - by penyuan

  I compiled GCC 4.4.3 and installed it in /usr/local/bin, but whenever I install a port via MacPorts 1.8.2 the verbose output says MacPorts is using /usr/bin/gcc-4.2: checking for gcc... /usr/bin/gcc-4.2 How do I make MacPorts find my own GCC 4.4.3? Here is my existing path: /opt/local/bin:/opt/local/sbin:/usr/local/bin:/usr/local/lib:/usr/bin:/bin:/usr/sbin:/sbin:/usr/local/bin:/usr/X11/bin Thank you! P.S. I am running Mac OS X 10.6.2 Snow Leopard.

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• 500 internal server error php long running process

  - by Sabirul Mostofa

  I am trying to run a long php process and it ends with the 500 internal server error. It executes fine for about 8 mins. I have rebooted the machine after changing the php settings. PHP Config: max_execution_time: 3600 After around 10 mins ps ax|grep php: 19007 ? S 0:08 /usr/bin/php /home/gypsy/public_html/index.php I have set the ignore_user_abort true. The process gets stuck at 00:08 min and isn't executed further. Apache error log shows the error: Script timed out before returning headers: index.php It seems somehow the max_execution_time isn't working. Any suggestion would be a great help.

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• Using the promote builds plugin to tag subversion repository in jenkins

  - by mark

  We have a task which builds based on data from 4 different SVN repositories. I want to allow QA promote a build, so that the revisions participating in the build are tagged with the build number and some optional label. I have encountered the following problem - the promoted build may not be the most recent build. How do I know the SVN revision of each of the four repositories used during that build? I know that each build has this information in the revision.txt and build.xml files associated with the build, but how does it become available in the context of promotion? Thanks. P.S. Asked here before, but did not get a satisfying answer.

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• How does the "Last Result" column of Scheduled Tasks in Windows Server 2003 get set from a process or script?

  - by leeand00

  The Last Result column of the Scheduled Tasks Window on Windows Server 2003, displays the result of the execution of the .exe, .vbs, .ps1, .bat, .cmd, etc... that has been run at the scheduled time. There is also an archived history of this value that appears in the Scheduled Tasks Log (Found on the Scheduled Tasks Window under the Advanced->View Log) Now my question is, if I'm running a scheduled task that is a .exe, .vbs, .ps1, .bat, .cmd, etc... how do I use that process to return a specific Last Result when the process ends? P.S. If you think this question should be split up into smaller parts since I'm painting pretty broadly with it, just let me know and I'll split it into subsequent smaller questions

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• (Windows 7) Dial Up Connection Locks up the Networking Service

  - by Nick

  I connect to the internet by using my cell phone as a dial up modem. (shh, don't tell my service provider) The connection is usually seamless and the speed is good (150kbps) but occasionally, the connection will get terminated by either the phone or the network, I'm not sure which and then Windows7 stubbornly doesn't acknowledge that the connection is dead so I can re-dial. I have tried to manually kill the connection, but then anything related to the network service refuses to open and the connection is still there. No "Network and Sharing Center", "Network Devices" and often the tray menu will refuse to pop open. The only way I have found to clear the problem is a full restart which. Logging off doesn't work and I haven't been able to find the service that is frozen. If anyone knows how to fix this or prevent this from happening or even how to go about troubleshooting I would be very grateful. ps. This problem is non-existant when tethering in linux on the same machine. (Ubunutu 9 and JoliOS)

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