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• HP-UX - custom rsync path

  - by stack_zen

  Hi. There are a range of HP-UX 11.11 hosts I'm unable to install rsync (I'm limited to a non-privileged user) I've extracted both rsync binary and libpopt.sl, libiconv.sl, libintl.sl from the depots into one of that user's directories: /home/zenith/rsync/ Problem is, I can't get my RH Linux box communicating with it: rsync -e --rsync-path=/home/zenith/rsync/rsync --compress=9 -pgtov --filter=+rs_/'*.log' --exclude='*' [email protected]:/home/zenith/service/logs/ /u01/rsync_depot/service/192.102.14.18/ /usr/lib/dld.sl: Can't find path for shared library: libintl.sl /usr/lib/dld.sl: No such file or directory sh: 1644 Abort(coredump) I've added to the remote host .profile export SHLIB_PATH=/usr/lib:/home/zenith/rsync export PATH=$PATH:/home/zenith/rsync but still, no libintl.sl is found. How can I initialize the correct env variable/ get this to work?

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• Upgrade PHP to 5.3 in Ubuntu Server 8.04 with Plesk 9.5

  - by alcuadrado

  I have a dedicated server with Ubuntu 8.04, and really need to upgrade php to 5.3 version in order to deploy a new version of the system. This version of php is the default one in ubuntu 10.04, so I considered upgrading the OS, but after trying that, I lost my plesk installation, which annoyed my client. I tried adding the dotdeb.org repositories, but don't know why, after running an apt-get upgrade, I get this error: # apt-get upgrade Reading package lists... Done Building dependency tree Reading state information... Done The following packages have been kept back: libapache2-mod-php5 php5 php5-cgi php5-cli php5-common php5-curl php5-gd php5-imap php5-mysql php5-sqlite php5-xsl 0 upgraded, 0 newly installed, 0 to remove and 11 not upgraded. Any idea why is this happenning? Or do you know any alternative method (except compiling my own binaries) to upgrade php or update ubuntu without loosing plesk? Thanks!

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• Tutorial for Quick Look Generator for Mac

  - by vgm64

  I've checked out Apple's Quick Look Programming Guide: Introduction to Quick Look page in the Mac Dev Center, but as a more of a science programmer rather than an Apple programmer, it is a little over my head (but I could get through it in a weekend if I bash my head against it long enough). Does anyone know of a good basic Quick Look Generators tutorial that is simple enough for someone with only very modest experience with Xcode? For those that are curious, I have a filetype called .evt that has an xml header and then binary info after the header. I'm trying to write a generator to display the xml header. There's no application bundle that it belongs to. Thanks!

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• Different boot time for the same computer by different commands

  - by andrej

  As far as I am aware, there are 3 ways to check the computer boot time in windows. And they should give the same time, just in different formats. Why do I get different times, where do these commands get their time? wmic os get lastBootUpTime | find "+120" 20140823002317.596695+120 systeminfo | find /i "boot time" System Boot Time: 23.8.2014, 0:23:17 net statistics server | find /i "statistics since" Statistics since 22.8.2014 18:21:30 The first two are the same (0:23), but the third is different (18:21), and also accurate. Why? At boot, all tree show the same, but at some point, they change. I am using windows 7 ultimate, 64bit.

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• Suggest me solution to track the change in test DB and replicate in Another DB

  - by Pranav

  Suggest me solution to track the change in test DB and replicate in Another DB... My Client need a script or any solution, if he has two Database, One Test DB in which he tests his data on test portal and if he find it appropriate he can use those changes to be done in main DB to display on Live site.. Fior this he needs the solution to record or track all updation/deletion/insertion, so that he can do the same in main DB if found appropriate, NOTE: we have only one server, no separate server, hence binary log replication doesnt seems to be working for my case..

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• How can I chainload a USB drive from GRUB2?

  - by magic.plane

  I'm using GNU GRUB version 1.99-12ubuntu5, booted over the network using PXE. I used grub-mknetdir to generate the GRUB image and directory tree, which I'm serving on a TFTP server using Tftpd32 in Windows. I've put the latest version of Clonezilla on my USB drive using Tuxboot. Right now, in GRUB's CLI, using ls lists only the (pxe) device, even if the USB drive is plugged in before the computer is on. Is there any way I can chainload Clonezilla on my USB from GRUB, which is booted over the network?

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• Looking for FTP server that allows user management from database

  - by hughesdan

  I'm planning a server application that will handle files uploaded via FTP. The application must parse text documents that it receives and write them to a database (most likely a document-oriented database like Mongo). And the application must also relay all large binary files it receives to Amazon S3 for storage and hosting. I'd like to manage all aspects of the FTP server programmatically. For example, when a user registers via a web page the application should be able to create the user account in the database and provision a directory on the server for receiving files. I'm using a Linux server but am otherwise open to considering any programming language or framework. I experimented with VSFTPD but didn't like the way the application relies on config files and the creation of users and directories via the command line. Can someone please recommend what server framework I should consider? I'm a little biased toward solutions that leverage Javascript/Nodejs or Python. However, I'm open to anything that can run on a Linux box.

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• Apache Sending "Content-Length : 0" , How to Fix ?

  - by ServerZilla

  Hi, I am using Apache server and it is sending Content-Length = 0 value which is preventing file-downloads, see - http://www.youtubedroid.com/download2.php?v=%5F3XcMEKNws0&title=Akhila+%2CMumbai+reloaded%2CSuper+dancer+2&hq=0 , here are my .htaccess content : SetEnv no-gzip dont-vary Here are headers sent by the server : HTTP/1.1 200 OK Date: Tue, 15 Dec 2009 06:12:11 GMT Server: Apache/2.2.14 (Unix) mod_ssl/2.2.14 OpenSSL/0.9.8e-fips-rhel5 mod_bwlimited/1.4 X-Powered-By: PHP/5.2.11 Content-Description: File Transfer Content-Disposition: attachment; filename="Akhila ,Mumbai reloaded,Super dancer 2.mp3" Content-Transfer-Encoding: binary Expires: 0 Cache-Control: must-revalidate, post-check=0, pre-check=0 Pragma: public X-Sendfile: ./tmp/64eb3b185e38af95c15405ffb0606e76.mp3 Content-Length: 0 Keep-Alive: timeout=5, max=95 Connection: Keep-Alive Content-Type: application/octet-stream Pls. tell how to fix this ?

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• Code Golf: Finite-state machine!

  - by Adam Matan

  Finite state machine A deterministic finite state machine is a simple computation model, widely used as an introduction to automata theory in basic CS courses. It is a simple model, equivalent to regular expression, which determines of a certain input string is Accepted or Rejected. Leaving some formalities aside, A run of a finite state machine is composed of: alphabet, a set of characters. states, usually visualized as circles. One of the states must be the start state. Some of the states might be accepting, usually visualized as double circles. transitions, usually visualized as directed arches between states, are directed links between states associated with an alphabet letter. input string, a list of alphabet characters. A run on the machine begins at the starting state. Each letter of the input string is read; If there is a transition between the current state and another state which corresponds to the letter, the current state is changed to the new state. After the last letter was read, if the current state is an accepting state, the input string is accepted. If the last state was not an accepting state, or a letter had no corresponding arch from a state during the run, the input string is rejected. Note: This short descruption is far from being a full, formal definition of a FSM; Wikipedia's fine article is a great introduction to the subject. Example For example, the following machine tells if a binary number, read from left to right, has an even number of 0s: The alphabet is the set {0,1}. The states are S1 and S2. The transitions are (S1, 0) -> S2, (S1, 1) -> S1, (S2, 0) -> S1 and (S2, 1) -> S2. The input string is any binary number, including an empty string. The rules: Implement a FSM in a language of your choice. Input The FSM should accept the following input: <States> List of state, separated by space mark. The first state in the list is the start state. Accepting states begin with a capital letter. <transitions> One or more lines. Each line is a three-tuple: origin state, letter, destination state) <input word> Zero or more characters, followed by a newline. For example, the aforementioned machine with 1001010 as an input string, would be written as: S1 s2 S1 0 s2 S1 1 S1 s2 0 S1 s2 1 s2 1001010 Output The FSM's run, written as <State> <letter> -> <state>, followed by the final state. The output for the example input would be: S1 1 -> S1 S1 0 -> s2 s2 0 -> S1 S1 1 -> S1 S1 0 -> s2 s2 1 -> s2 s2 0 -> S1 ACCEPT For the empty input '': S1 ACCEPT For 101: S1 1 -> S1 S1 0 -> s2 s2 1 -> s2 REJECT For '10X': S1 1 -> S1 S1 0 -> s2 s2 X REJECT Prize A nice bounty will be given to the most elegant and short solution. Reference implementation A reference Python implementation will be published soon.

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• Project management software that syncs with smartphone?

  - by overtherainbow

  Hello, I went through the archives here and the Wikipedia page on Project management software, but didn't find information on this type of application to manage projects: Native Windows application (don't like web-based solutions; prefer native to cross-platform) Free or affordable, ie. not an Enterprise solution Scalable from one to a few concurrent users Like MS Projet et al., a project consists in tasks which can be further divided into sub-tasks, and the whole thing is displayed in an tree list An item that has a date set (either start/due) must be displayed in a Calendar view, so it's easy to know what work must be done each day The Calendar view must somehow sync with smartphones (at least BlackBerry) At this point, the apps I know either don't provide a Calendar at all, or do but they can't sync with smartphones, which forces me to copy/paste scheduled items into Outlook so they are synced with my BlackBerry :-/ Thank you for any help.

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• Folder/File permission transfer between alike file structure

  - by Tyler Benson

  So my company has recently upgraded to a new SAN but the person who copied all the data over must have done a drag n' drop or basic copy to move everything. Apparently Xcopy is not something he cared to use. So now I am left with the task of duplicating all the permissions over. The structure has changed a bit ( as in more files/folders have been added) but for the most part has been stayed unchanged. I'm looking for suggestions to help automate this process. Can I use XCopy to transfer ONLY permissions to one tree from another? Would i just ignore any folders/permissions that don't line up correctly? Thanks a ton in advance, Tyler

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• Which OS/distributions have 64-bit kernel and 32-bit userspace? [closed]

  - by osgx

  Which OS (or distributions) comes with 64-bit kernels (x86_64, SPARC64, PPC64, ..smth else?..) and 32-bit userland? I want all small userspace programs (like ls, cat, etc) to be 32-bit, because they really no needs to be 64-bit. But OS kernel must be 64bit for using =3 Gb of RAM. Also database programs (when using a lot of memory) can be 64bit. 64bit mode can hurt some programs, makes them bigger, eating (wasting) memory on pointers (especially in big abstract datatypes like list, tree, etc). 64 bit programss WASTES twice memory on EACH Pointer. I don't want it. And the Question is not "Are the 32-bit programs needed when 64-bit porcessor is available". Question is "What OS comes with 32 bit userspace and kernels in 32/64 bit mode". Examples of such OS includes: Solaris/SPARC64, MACOSX/X86_64 (10.5)/....

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• Not able to access a folder in Windows 7 and not able to see in Ubuntu.

  - by Rohit

  I have four partitions on my hard disk. Partition C has Windows XP installed and Partition G has Windows 7 installed. Ubuntu 10.10 is also installed, probably in F. Partitions C and G are NTFS. When I boot into C, XP is loading but when I click on the C Drive in MyComputer, it displays: "Access is denied". Windows 7 displays the folder tree of C, but when I try to open a folder, I am not able to view the contents. The same error: of Access Denied. When I try to view the C Partition using Ubuntu, the entire C partition is not visible. I tried following commands to take ownership of the C drive: takeown /f C: cacls C: /G Rohit:F but still I am not able to get rid of "Access Denied". I again tried the above commands from the Windows 7 safe mode, but still the problem persists. The two commands return "Successful", but nothing is happening.

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• How to implement an offline reader writer lock

  - by Peter Morris

  Some context for the question All objects in this question are persistent. All requests will be from a Silverlight client talking to an app server via a binary protocol (Hessian) and not WCF. Each user will have a session key (not an ASP.NET session) which will be a string, integer, or GUID (undecided so far). Some objects might take a long time to edit (30 or more minutes) so we have decided to use pessimistic offline locking. Pessimistic because having to reconcile conflicts would be far too annoying for users, offline because the client is not permanently connected to the server. Rather than storing session/object locking information in the object itself I have decided that any aggregate root that may have its instances locked should implement an interface ILockable public interface ILockable { Guid LockID { get; } } This LockID will be the identity of a "Lock" object which holds the information of which session is locking it. Now, if this were simple pessimistic locking I'd be able to achieve this very simply (using an incrementing version number on Lock to identify update conflicts), but what I actually need is ReaderWriter pessimistic offline locking. The reason is that some parts of the application will perform actions that read these complex structures. These include things like Reading a single structure to clone it. Reading multiple structures in order to create a binary file to "publish" the data to an external source. Read locks will be held for a very short period of time, typically less than a second, although in some circumstances they could be held for about 5 seconds at a guess. Write locks will mostly be held for a long time as they are mostly held by humans. There is a high probability of two users trying to edit the same aggregate at the same time, and a high probability of many users needing to temporarily read-lock at the same time too. I'm looking for suggestions as to how I might implement this. One additional point to make is that if I want to place a write lock and there are some read locks, I would like to "queue" the write lock so that no new read locks are placed. If the read locks are removed withing X seconds then the write lock is obtained, if not then the write lock backs off; no new read-locks would be placed while a write lock is queued. So far I have this idea The Lock object will have a version number (int) so I can detect multi-update conflicts, reload, try again. It will have a string[] for read locks A string to hold the session ID that has a write lock A string to hold the queued write lock Possibly a recursion counter to allow the same session to lock multiple times (for both read and write locks), but not sure about this yet. Rules: Can't place a read lock if there is a write lock or queued write lock. Can't place a write lock if there is a write lock or queued write lock. If there are no locks at all then a write lock may be placed. If there are read locks then a write lock will be queued instead of a full write lock placed. (If after X time the read locks are not gone the lock backs off, otherwise it is upgraded). Can't queue a write lock for a session that has a read lock. Can anyone see any problems? Suggest alternatives? Anything? I'd appreciate feedback before deciding on what approach to take.

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• How do I enable SELinux when booting a ramdisk from a CD/DVD?

  - by JeffG

  I have a bootable DVD which boots the same Kernel as the Hard Drive (which uses SELinux). I have copied /etc/selinux and all kernel modules to my ramdisk, and have tried various combinations of selinux=1 and selinux 1 with enforcing 1 and enforcing 0. as Kernel boot parameters. All files contained in the checkpolicy, libselinux, policycoreutils, selinux-policy and selinux-policy-targeted rpms have also been copied into the ramdisk tree. After the system boots from the ramdisk, I check dmesg: % dmesg | grep -i selinux Kernel command line: initrd=idrd.img ramdisk_size=110476 selinux=1 SELinux: Initializing. SELinux: Starting in permissive mode selinux_register_security: Registering secondary module capability SElinux: Registering netfilter hooks But SELinux isn't running: % /usr/sbin/getenforce Disabled % /usr/sbin/setenforce 1 /usr/sbin/setenforce: SELinux is disabled Neither /var/log/messages nor /proc/kmsg hold clues.

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• Map /dev/bus/usb node to /sys node on Linux

  - by Cody Brocious

  I'm using libusb to find and access a USB device, but once I get the information I need from there, I need to map it to a /sys node. This could be to the actual USB bus it's on, the /sys/bus/usb-serial node (which is where I'm going to get eventually), or effectively anywhere else since I can walk the tree from there. I can get to a /dev/bus/usb node easily enough, but I'm a bit lost from there. What would be the best route to perform this mapping? Alternatively, a way to get the /dev/ttyUSB device node for a /dev/bus/usb node would work as well, since it gets me the same result.

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• Tutuorial for Quick Look Generator for Mac

  - by vgm64

  I've checked out Apple's Quick Look Programming Guide: Introduction to Quick Look page in the Mac Dev Center, but as a more of a science programmer rather than an Apple programmer, it is a little over my head (but I could get through it in a weekend if I bash my head against it long enough). Does anyone know of a good basic Quick Look Generators tutorial that is simple enough for someone with only very modest experience with Xcode? For those that are curious, I have a filetype called .evt that has an xml header and then binary info after the header. I'm trying to write a generator to display the xml header. There's no application bundle that it belongs to. Thanks!

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• Can I easily use a VPN to duplicate SSH Tunneling functionality?

  - by Steve V.

  Right now, when I want to use an unsecured wireless connection with my (Linux) laptop, I secure my connection using a variation of the method provided here. However, to the best of my knowledge, the (non-jailbroken) iPad does not allow applications to tunnel traffic through local ports. However, it does seem to allow certain VPN traffic. I have never set up, or even used, a VPN before. I'm looking for confirmation that I'm not barking up the wrong tree before I invest significant effort into setting up my own VPN server. If I want to secure my wireless iPad traffic over an unsecure wireless connection, would I be on the right track by looking at a VPN?

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• Server Fault Wiki: How does Subnetting Work?

  - by Kyle Brandt

  How does Subnetting Work, and How do you do it by hand or in your head? Can someone explain both conceptually and with several examples? Server Fault gets lots of subnetting homework questions, so we could use an answer to point them to on Server Fault itself. If I have a network, how do I figure out how to split it up? If I am given a netmask, how do I know what the network Range is for it? Sometimes there is a slash followed by a number, what is that number? Sometimes there is a subnet mask, but also a wildcard mask, they seem like the same thing but they are different? Someone mentioned something about knowing binary for this? Not looking for links to other sites (unless maybe you have one post with a bunch of good ones). I already know how to subnet, I just thought it would be nice if Server Fault had a generic subnetting answer.

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• Open source command line tools for indexing a large number of text files

  - by ergosys

  I'm looking for any open source command line tool or tools which will allow me to index and search a large number of plain text files. Approximate search would be a plus. The tool only needs to print the files that match, although some match context would be useful. A GUI tool isn't useful for my application, nor is anything that searches files one by one (grep for example). I'm basically targeting unix platforms (osx, linux, bsd). EDIT: I'm not interested in any sort of tool that is system-wide, or needs to run in the background. Basically, I want to build an index for a directory tree full of text files and then later be able to search against it. Preferably the index is one or a few files that I can specify the location of. Any ideas?

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• selective backup script in bash

  - by Sake

  Hi, I've been using this simple command (that's all I can do :) to backup the whole tree from my user data in NAS server for a year. cp -r /STORAGE /BACKUP-STORAGE/YYYY-MM-DD Unfortunately, after a year of service. My user start filling the spaces with lot of photo and cliparts (jpg, gif, bmp) And that start to make my backup process get much slower. The space is also a big issue. Now I no longer have enough space for a week-long daily backup set. I think I want to change from backup everything to backup only non-image data. How can I exclude jpg, gif, and bmp from the backup ? It's quite easy with DOS XCOPY command, but I really have no idea how to do that in bash. Thanks

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• How can I get rid of / hide :2eDS_Store files on my linux netatalk server?

  - by Douglas Mayle

  I'm running a netatalk server process on my linux server that serves files up to Mac client machines. Whenever you use Mac's Finder to access foreign filesystems over netatalk, it creates '.DS_Store' files to store information about the folder. Normally, these files would be hidden by default, and I wouldn't care. Unfortunately, netatalk doesn't allow access to local hidden files, so when the Mac writes and reads these, it renames them :2eDS_Store on the local filesystem. When you have a deep tree, you end up with these littered all over the place, and other Windows and Linux clients have to deal with them. How do I make these available to Mac clients and hidden from everyone else?

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• Creating yum repo

  - by luckytaxi

  I followed this link on how to create my own yum repository for base install and update purposes. If you notice, why would I need a 5 folder on top of 5.4? My installation at the moment is all 5.4, so when I ran "yum update" it wanted to go to http://domain.com/5/... instead of picking up the 5.4 directory. Is 5 basically 5.4 w/ the most updated packages for that tree? meaning, if 5.5 comes out, 5 would be the latest and greatest and if I wanted to track 5.4, I would still need a 5.4 folder to track changes with?

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• Running complete Native Linux on phones that are bootloader-unlocked [on hold]

  - by james

  Since there are many phones (HTC, Samsung, LG, Nexus) today that have bootloader unlocked, I want to ask what's preventing them from running a complete native GNU/Linux. GNU/Linux has ARM port and we can run a command line GNU/Linux on top of Android by the method of chroot. So, what's preventing for existing bootloader unlocked Android phones from running a complete GNU/Linux natively? The device should get a long shelf life if it has one such port. My few thoughts.. Proprietary drivers for hardware that cannot be made to work when using a different OS. And the binary provider will never support any OS other than what the phone is shipped with. Application Interface. The interface for desktop apps doesn't fit to the mobile display with different PPI. Kernel. Since android devices use Linux kernel whose sources should be available, could the device kernel be modified to work with GNU/Linux. And any other reasons?

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• None of my bash commands work

  - by Kevin

  I have an Ubuntu 9.10 netbook. I has always run great. Two days ago, I was running as root for a while (~30), and when I moved back to my user account (only other account one this machine), all the commands in ~/bin stopped working. If I try ls, it comes up with "cannot execute binary file". Same with ln, mv, mkdir, clear, cp, etc. They all run as root(which makes sense, different files), but I have no idea why this happened. I don't want to stay as root to move around easily. Any idea?

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