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• No inodes left error, df -i command says contrary

  - by abhinavkulkarni

  I copied a lot of files in my mounted Windows drive from Ubuntu and I subsequently ran into Error opening file '/media/windows/<some-file-path>': No space left on device error. I checked the output of df -i command to see if I had ran out of inodes for the mounted Windows drive: Filesystem Inodes IUsed IFree IUse% Mounted on /dev/sda5 2363904 504119 1859785 22% / udev 207621 522 207099 1% /dev tmpfs 211487 450 211037 1% /run none 211487 3 211484 1% /run/lock none 211487 7 211480 1% /run/shm none 211487 19 211468 1% /run/user /dev/sda2 458686680 2588876 456097804 1% /media/windows As above output shows, lots of inodes are available for /media/windows drive. I have plenty of disk space left - around 500GB. What's the problem then?

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• Installing Ruby on Rails without access to command line

  - by Darwin

  I'm VERY new to this whole web dev thing but I can program and I liked Ruby when I used it before. Now, I've got web hosting and a domain and a site on there that's currently ran under Joomla but I'd like to experiment with Rails. The most access I can get to the server is FTP and maybe a setting here and there in the control panel. Definitely no command line. Is there a way to just, I don't know, upload ruby on rails to a folder and run it in a browser? That's how Joomla works I think. Literally every article I read about this starts with "you just do sudo get..." mumbo jumbo.

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• Grub errors during UEFI dual boot for Windows 8 (can't find command 'drivemap')

  - by luca-mastro

  I have got a newly bought ASUS N56V with Windows 8 preinstalled. I needed to install Ubuntu so i partitioned the disk and after having disabled the Secure Boot option from Windows 8 i successfully installed Ubuntu 12.10 from a Live USB. The problem is that if i try to access both to Windows 8 (loader) and Windows Recovery System (loader) from the GRUB menu, these two errors show: can't find command 'drivemap' and invalid EFI file path and it goes back to the grub menu. In conclusion I do not have access to my Windows 8 partition but can only use Ubuntu. How can I solve the problem? I am pretty new to the matter. Thank you!

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• Array manipulation in gsettings' set command

  - by Daniel

  Is there an easy way to do array manipulation in gsettings? I am comparing gsettings to OS X's defaults command that offers the defaults domain --array key overwrite-value and defaults domain --array-add key added-value interface for manipulating arrays. As far as I can tell there is only gsettings set domain key "['overwrite-value']" available to gsettings. Not really pretty for when you want to add or remove one entry from an array. I have seen a suggestion that allow me to add to an array, but I would rather use a interface if there is one.

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• Error mpicc command not found [closed]

  - by skn

  I want to compile hdf5 but I find the following error: /hdf5/hdf5-1.6.9CC=/usr/local/openmpi/bin/mpicc ./configure /home/sknandi/Research/ Simulation/hdf5/parallel_fdf5 CC=/usr/local/openmpi/bin/mpicc: Command not found. The result of echo $PATH is /hdf5/hdf5-1.6.9echo $PATH /priv/myriad3/ayw/research/COALA/visit/bin:/usr/local/bin:/usr/bin:/bin:/pkg/linux/intel/composerxe-2011.3.174/composerxe-2011.3.174/bin/intel64:/pkg/linux/casa/x86_64:/usr/local/bin:/bin:/usr/bin:/usr/local/openmpi/bin:/pkg/linux/intel/composerxe-2011.3.174/composerxe-2011.3.174/mpirt/bin/intel64:/pkg/linux/SS12/solstudio12.2/bin:/usr/local/vanilla-pds/bin and result of which mpicc is /hdf5/hdf5-1.6.9which mpicc /usr/local/openmpi/bin/mpicc

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• Maven Command Line for NetBeans RCP Developers

  - by Geertjan

  In the ongoing work being done on Maven documentation support for NetBeans Platform developers, the tutorial describing how to use the Maven command line to set up and develop applications on the NetBeans Platform has ben updated: http://platform.netbeans.org/tutorials/nbm-maven-commandline.html An interesting next step after following the tutorial above is to... open the result into the free community edition of IntelliJ IDEA: It's not hard to register the JDK and Maven in IntelliJ IDEA and to then run your application directly from there. The point is that there's no requirement to use NetBeans IDE if you want to create applications on top of its framework.

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• Should my WCF webservice return a 500 or 200 http code (soap fault / functional return message)

  - by Tim Mahy

  Hi all, after reading the SOAP specs, it states that a SOAP Fault should return a http 500 errorcode, so when a SoapException is thrown, WCF returns a 500 error code. Now, I'm looking for some best practices to when return a functional soap error message and when to return a SOAP Fault. What would you guys return when a functional error occurred while processing the message because of the input message contains some functional errors, a 500 SOAP Fault or a 200 Soap response containing some error message ?

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• Move to next message

  - by demas

  I have a messages line this: message 1 answer 1.1 answer 1.1.1 answer 1.2 answer 1.3 massage 2 ... and I have the line in my .gnus.el: (global-set-key [f9] (lambda () (interactive) (gnus-summary-lower-score-by-subj-substr-temp))) When I select "message 1" and press F9 next lines: message1 answer 1.1 answer 1.1.1 answer 1.2 answer 1.3 change the score. But I need the selection move to next message (message 2) when I press F9. How can I get it?

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• creating message box as sheets for mac in PyQt

  - by user971306

  I used message box as seperate dialog instead of sheets for mac OS, now i m working on it to spawn a sheet as message box instead of seperate one. I have tried setting the message box as a modal one: (messagebox.setWindowModality(QtCore.Qt.WindoModal)) and setting message box, parent dialog window flags as sheet (parentDialog.setWindowFlags(QtCore.Qt.Sheet) messagebox.setWindowFlags(QtCore.Qt.Sheet)) But the above commands are not working to create a sheet instead of seperate dialog. Does anyone have an idea of how to solve?

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• How to get structure of a Google Protobuf message without the definition

  - by dqminh

  I have to get the message structure of a protobuf message transfered to me without the message's definition. Using UnknownFieldSet methods, I was able to get a string representation of the message as below: 1: "a" 2: { 3:"b" 4:"c" } What data structure does field 2 represent ? Using UnknownFieldSet.Field.getGroupList i was able to get the content of field 3 and 4, does that means field 2 has the "deprecated" group structure ?

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• how to find the end of soap message recieved from server over ssl connection in c++

  - by user323422

  i am reading soap message from server over ssl connection using SSL_read(m_pssl,f_data,f_datalen) but it reading 265 bytes first. then i again called SSL_read() and it reads rest of message + starting of message. Can anyone tell me how to find the end of message over server over ssl connection?

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• remove field name from object validation message

  - by Colin G

  I've got a simple active record validation on an object using this within a form: form.error_messages({:message => '', :header_message => ''}) This in turn outputs something like "FieldName My Custom message" What i need to do is remove the field name from the error message but leave my custom message. Can anyone point me in the right direction for this.

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• Rebooting access point via SSH with pexpect... hangs. Any ideas?

  - by MiniQuark

  When I want to reboot my D-Link DWL-3200-AP access point from my bash shell, I connect to the AP using ssh and I just type reboot in the CLI interface. After about 30 seconds, the AP is rebooted: # ssh [email protected] [email protected]'s password: ******** Welcome to Wireless SSH Console!! ['help' or '?' to see commands] Wireless Driver Rev 4.0.0.167 D-Link Access Point wlan1 -> reboot Sound's great? Well unfortunately the ssh client process never exits, for some reason (maybe the AP kills the ssh server a bit too fast, I don't know). My ssh client process is completely blocked (even if I wait for several minutes, nothing happens). I always have to wait for the AP to reboot, then open another shell, find the ssh client process ID (using ps aux | grep ssh) then kill the ssh process using kill <pid>. That's quite annoying. So I decided to write a python script to reboot the AP. The script connects to the AP's CLI interface via ssh, using python-pexpect, and it tries to launch the "reboot" command. Here's what the script looks like: #!/usr/bin/python # usage: python reboot_ap.py {host} {user} {password} import pexpect import sys import time command = "ssh %(user)s@%(host)s"%{"user":sys.argv[2], "host":sys.argv[1]} session = pexpect.spawn(command, timeout=30) # start ssh process response = session.expect(r"password:") # wait for password prompt session.sendline(sys.argv[3]) # send password session.expect(" -> ") # wait for D-Link CLI prompt session.sendline("reboot") # send the reboot command time.sleep(60) # make sure the reboot has time to actually take place session.close(force=True) # kill the ssh process The script connects properly to the AP (I tried running some other commands than reboot, they work fine), it sends the reboot command, waits for one minute, then kills the ssh process. The problem is: this time, the AP never reboots! I have no idea why. Any solution, anyone?

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• How to pass a filename by drag-and-drop to a shortcut in Windows

  - by Kendall Frey

  I have a program program.exe and a document document.txt, and to open the document, I can drag document.txt onto program.exe. So far so good. Now I want to call it with a command-line parameter -param so that the full command line is program.exe -param document.txt Unfortunately, I can't do this with drag and drop, so I need to fire up cmd and type in the command manually. This takes too long, and I need an easier way. How can I create a shortcut that I can drop the file onto, and have it call the program with the command-line parameter? I tried setting the shortcut to program.exe -param "%1", but that didn't work, because it appeared to pass only the file name, and not the path, and since the current directory was the one with the program and not the one with the document, it couldn't find the document.

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• Alternative Windows shell?

  - by user17943

  I can't stand the Windows "shell". I can't copy text off a command prompt window, the .bat syntax is retarded, I can't stand how the command buffer works, it doesn't support ANSI color codes, I could go on and on. Are there any alternatives to the Windows command prompt (please, do not answer "Linux".)

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• How to pass a filename to a shortcut in Windows

  - by Kendall Frey

  I have a program program.exe and a document document.txt, and to open the document, I can drag document.txt onto program.exe. So far so good. Now I want to call it with a command-line parameter -param so that the full command line is program.exe -param document.txt Unfortunately, I can't do this with drag and drop, so I need to fire up cmd and type in the command manually. This takes too long, and I need an easier way. How can I create a shortcut that I can drop the file onto, and have it call the program with the command-line parameter? I tried setting the shortcut to program.exe -param "%1", but that didn't work, because it appeared to pass only the file name, and not the path, and since the current directory was the one with the program and not the one with the document, it couldn't find the document.

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• How do I make netdiag work?

  - by Mohamed Abobakr

  I'm trying to run the netdiag command to troubleshoot the internet connection but when I run it in cmd I get the following message: 'netdiag' is not recognized as an internal or external command, operable program or batch file. Also, I have tried typing "net diag", which gives me a syntax error, but that NET command seems to be something completely different. Searching on google for answers gives me results that deal with Windows Server 2003; I'm on a Windows XP machine.

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• Copy files from sub directories into one directory.

  - by Derek Organ

  Ok I have a bunch of files in this file structure format. /backup/daily/database1/database1-2011-01-01.sql /backup/daily/database1/database1-2011-01-02.sql /backup/daily/database1/database1-2011-01-03.sql /backup/daily/database1/database1-2011-01-04.sql /backup/daily/database1/database1-2011-01-05.sql /backup/daily/database1/database1-2011-01-06.sql /backup/daily/database1/database1-2011-01-07.sql /backup/daily/anotherdb/anotherdb-2011-01-01.sql /backup/daily/anotherdb/anotherdb-2011-01-02.sql /backup/daily/anotherdb/anotherdb-2011-01-03.sql /backup/daily/anotherdb/anotherdb-2011-01-04.sql /backup/daily/anotherdb/anotherdb-2011-01-05.sql /backup/daily/anotherdb/anotherdb-2011-01-06.sql /backup/daily/anotherdb/anotherdb-2011-01-07.sql /backup/daily/stuff/stuff-2011-01-01.sql /backup/daily/stuff/stuff-2011-01-02.sql /backup/daily/stuff/stuff-2011-01-03.sql /backup/daily/stuff/stuff-2011-01-04.sql /backup/daily/stuff/stuff-2011-01-05.sql /backup/daily/stuff/stuff-2011-01-06.sql /backup/daily/stuff/stuff-2011-01-07.sql And there are lots lots more. ultimately I want to import all the 2011-01-07.sql files into my mysql database. This works for one mysql -u root -ppassword < /backup/daily/database1/database1-2011-01-07.sql That will nicely restore that database from this backupfile. I want to run a process where it does this for all databases. So my plan is to first cp all 2011-01-07 sql files into a tmp dir e.g. cp /backup/daily/*/*2011-01-07*.sql /tmp/all The command above unfortunately isn't working I get an error: cp: cannot stat ..... No such file or directory So can you guys help me out with this. For bonus points if you can tell me how to do the next step which is import all databases in one command doing one at a time that would be great too. I really want to do these in two separate steps because I need to delete a few sql files manually from the tmp dir before I run the restore command. So I need: 1) command to copy all 2011-01-07 sql files to a tmp dir 2) command to import all those files in that dir into mysql I know its possible to do in one but for lots of reasons I really would prefer to do it in two steps.

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• Weird execution of ruby/git executables in Windows

  - by Frexuz

  Something strange has happened. I can't run some command line executables in Windows anymore. Steps: Open cmd Run an executable, such as ruby -v or git -h When I do that, a new command prompt opens, running that command (I think, it's too fast to see), and instantly closes again. I've managed to print screen the new command prompt, and it shows that it's running inside this path: C:\Documents and Settings\Administrator\Local Settings\Temp\3582-490 Inside this folder, is the executable I'm tring to run. If I run ruby, then ruby.exe is in there. If I run git, then git.exe is in there. And it's always emptying the folder in between, so there is always just one .exe file

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• Keep stdout on screen AND in File

  - by user18771

  I open a command prompt window in XP. There I run a command line program (foo.exe) and I want to capture stdout in a file. So I run it like this: foo fooResult.txt However, at the same time I would like stdout to still be fed to the screen of the command prompt window. What is the syntax for that?

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• SSH to remote host (edgemarc 4200 or 4500 series routers) and pull arp data

  - by MaQleod

  I've been trying to think of a method to do this for days, but have not come up with anything yet. Ideally, this is what I'm looking to do: From a windows XP machine, I need to open an SSH connection to a remote host, send the arp command, and pull the text results of the command back for use on the client. I will need to parse this data and preferably produce a 2D array of IPs and MAC addresses. There will be no shared keys, this is all done with a username and password that will always be different, they will need to be fed into the command via variables that will be pulled from a database using an autoit script based on the WAN ip of the remote host. Now the actual parsing of the data and creation of the array will be easy if I can just get the text of the arp table. Is there any way to ssh to a remote host, run a command and return the data from that command to the client in a batch script or perl script (it is ok if it writes the text to a file, I can read it out of the file later, I just need it to get to the client)?

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• Configure bash_profile for one single terminal emulator

  - by Hugo

  I'm using a new terminal emulator. Terminology is the E17 default terminal, and it have a great command, $ tyls with is a "graphical" $ ls I want to create an alias just for this terminal, because the command "tyls" don't make sense to konsole, rxvt or other terminals. I'm thinking in some kind of "if" in ~/.bash_profile to test if I'm on terminology and then run the following command: alias ls="tyls" But how can I test if I'm in terminology but not xterm? Can someone help me? Thanks!

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• Use test to check for condition with find and execdir option

  - by slosd

  I think I can keep my question short. Why does the following command produce no output? find /usr/share/themes -mindepth 1 -maxdepth 1 -type d -execdir test -d {}/gnome-shell \; I expected it to print all folders in /usr/share/themes that contain a folder gnome-shell. Several websites suggest that this usage of test as a command in exec/execdir is possible. From man find: -exec command ; Execute command; true if 0 status is returned. [...]

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• running commands as other users - best method

  - by linuxrawkstar

  When running commands as other users from the command line, what is recommended best practice? In the past I've used sudo like so: sudo -u username command [args] I've been told (with no specific reasons why) that using sudo for this purpose is wrong. I'd like to know why. Is there some "best way" to accomplish this? For example, I've also used the su command like so: su username - -c "command [args]" I can't imagine why either of these methods would be "bad". Your thoughts?

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• The DOS DEBUG Environment

  - by MarkPearl

  Today I thought I would go back in time and have a look at the DEBUG command that has been available since the beginning of dawn in DOS, MS-DOS and Microsoft Windows. up to today I always knew it was there, but had no clue on how to use it so for those that are interested this might be a great geek party trick to pull out when you want the awe the younger generation and want to show them what “real” programming is about. But wait, you will have to do it relatively quickly as it seems like DEBUG was finally dumped from the Windows group in Windows 7. Not to worry, pull out that Windows XP box which will get you even more geek points and you can still poke DEBUG a bit. So, for those that are interested and want to find out a bit about the history of DEBUG read the wiki link here. That all put aside, lets get our hands dirty.. How to Start DEBUG in Windows Make sure your version of Windows supports DEBUG. Open up a console window Make a directory where you want to play with debug – in my instance I called it C221 Enter the directory and type Debug You will get a response with a – as illustrated in the image below…   The commands available in DEBUG There are several commands available in DEBUG. The most common ones are A (Assemble) R (Register) T (Trace) G (Go) D (Dump or Display) U (Unassemble) E (Enter) P (Proceed) N (Name) L (Load) W (Write) H (Hexadecimal) I (Input) O (Output) Q (Quit) I am not going to cover all these commands, but what I will do is go through a few of them briefly. A is for Assemble Command (to write code) The A command translates assembly language statements into machine code. It is quite useful for writing small assembly programs. Below I have written a very basic assembly program. The code typed out is as follows mov ax,0015 mov cx,0023 sub cx,ax mov [120],al mov cl,[120]A nop R is for Register (to jump to a point in memory) The r command turns out to be one of the most frequent commands you will use in DEBUG. It allows you to view the contents of registers and to change their values. It can be used with the following combinations… R – Displays the contents of all the registers R f – Displays the flags register R register_name – Displays the contents of a specific register All three methods are illustrated in the image above T is for Trace (To execute a program step by step) The t command allows us to execute the program step by step. Before we can trace the program we need to point back to the beginning of the program. We do this by typing in r ip, which moves us back to memory point 100. We then type trace which executes the first line of code (line 100) (As shown in the image below starting from the red arrow). You can see from the above image that the register AX now contains 0015 as per our instruction mov ax,0015 You can also see that the IP points to line 0103 which has the MOV CX,0023 command If we type t again it will now execute the second line of the program which moves 23 in the cx register. Again, we can see that the line of code was executed and that the CX register now holds the value of 23. What I would like to highlight now is the section underlined in red. These are the status flags. The ones we are going to look at now are 1st (NV), 4th (PL), 5th (NZ) & 8th (NC) NV means no overflow, the alternate would be OV PL means that the sign of the previous arithmetic operation was Plus, the alternate would be NG (Negative) NZ means that the results of the previous arithmetic operation operation was Not Zero, the alternate would be ZR NC means that No final Carry resulted from the previous arithmetic operation. CY means that there was a final Carry. We could now follow this process of entering the t command until the entire program is executed line by line. G is for Go (To execute a program up to a certain line number) So we have looked at executing a program line by line, which is fine if your program is minuscule BUT totally unpractical if we have any decent sized program. A quicker way to run some lines of code is to use the G command. The ‘g’ command executes a program up to a certain specified point. It can be used in connection with the the reset IP command. You would set your initial point and then run the G command with the line you want to end on. P is for Proceed (Similar to trace but slightly more streamlined) Another command similar to trace is the proceed command. All that the p command does is if it is called and it encounters a CALL, INT or LOOP command it terminates the program execution. In the example below I modified our example program to include an int 20 at the end of it as illustrated in the image below… Then when executing the code when I encountered the int 20 command I typed the P command and the program terminated normally (illustrated below). D is for Dump (or for those more polite Display) So, we have all these assembly lines of code, but if you have ever opened up an exe or com file in a text/hex editor, it looks nothing like assembly code. The D command is a way that we can see what our code looks like in memory (or in a hex editor). If we examined the image above, we can see that Debug is storing our assembly code with each instruction following immediately after the previous one. For instance in memory address 110 we have int and 111 we have 20. If we examine the dump of memory we can see at memory point 110 CD is stored and at memory point 111 20 is stored. U is for Unassemble (or Convert Machine code to Assembly Code) So up to now we have gone through a bunch of commands, but probably one of the most useful is the U command. Let’s say we don’t understand machine code so well and so instead we want to see it in its equivalent assembly code. We can type the U command followed by the start memory point, followed by the end memory point and it will show us the assembly code equivalent of the machine code. E is for a bunch of things… The E command can be used for a bunch of things… One example is to enter data or machine code instructions directly into memory. It can also be used to display the contents of memory locations. I am not going to worry to much about it in this post. N / L / W is for Name, Load & Write So we have written out assembly code in debug, and now we want to save it to disk, or write it as a com file or load it. This is where the N, L & W command come in handy. The n command is used to give a name to the executable program file and is pretty simple to use. The w command is a bit trickier. It saves to disk all the memory between point bx and point cx so you need to specify the bx memory address and the cx memory address for it to write your code. Let’s look at an example illustrated below. You do this by calling the r command followed by the either bx or cx. We can then go to the directory where we were working and will see the new file with the name we specified. The L command is relatively simple. You would first specify the name of the file you would like to load using the N command, and then call the L command. Q is for Quit The last command that I am going to write about in this post is the Q command. Simply put, calling the Q command exits DEBUG. Commands we did not Cover Out of the standard DEBUG commands we covered A, T, G, D, U, E, P, R, N, L & W. The ones we did not cover were H, I & O – I might make mention of these in a later post, but for the basics they are not really needed. Some Useful Resources Please note this post is based on the COS2213 handouts for UNISA A Guide to DEBUG - http://mirror.href.com/thestarman/asm/debug/debug.htm#NT

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