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  • Qemu in an ssh session or the quest for the nographic option ?

    - by LB
    Hi, I ssh to a machine and I would like to start a qemu session inside this ssh session. I thought that the nographic option would do the trick. -nographic Normally, QEMU uses SDL to display the VGA output. With this option, you can totally disable graphical output so that QEMU is a simple command line application. The emulated serial port is redirected on the console. Therefore, you can still use QEMU to debug a Linux kernel with a serial console. but unfortunately, i don't see any output. The command line that i'm using once i've sshed to my machine is : qemu-system-x86_64 -hda debian.img -nographic any idea ? thanks.

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  • How do I read multiple lines from STDIN into a variable?

    - by The Wicked Flea
    I've been googling this question to no avail. I'm automating a build process here at work, and all I'm trying to do is get version numbers and a tiny description of the build which may be multi-line. The system this runs on is OSX 10.6.8. I've seen everything from using CAT to processing each line as necessary. I can't figure out what I should use and why. Attempts read -d '' versionNotes Results in garbled input if the user has to use the backspace key. Also there's no good way to terminate the input as ^D doesn't terminate and ^C just exits the process. read -d 'END' versionNotes Works... but still garbles the input if the backspace key is needed. while read versionNotes do echo " $versionNotes" >> "source/application.yml" done Doesn't properly end the input (because I'm too late to look up matching against an empty string).

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  • Merging and sorting multiple files with "sort"

    - by NewbiZ
    Hello, I have a bunch of text logfiles in the following format: ID (17 characters) Timestamp (14 characters YYYYmmddHHMMSS e.g. "20060210100040" -> 2006/02/10 10:00:40) Random data (? characters) end of line The files are already sorted by timestamp. I need to get 1 log file with all the logs from multiple logs files, sorted by timestamp. Note that the log files are really huge, around 3-4G each (and there are dozens of them) I tried the following command: sort -s -m -t '|' -k1n,1n +17 -o data_sort.txt *.TXT Here is how I ended up with this command: -s : don't bother with tie results -m : merge all logs files -t '|' : there is no | in my logs, so the whole line should be field 1 -k1n,1n: sort on the first field as a numeric value +17 : the timestamp starts at index 17 -o : output file Actually... it fails miserably. The output file data_sort.txt is just the concatenation of all files, not sorted at all :( I would greatly appreciate if anyone could provide any help on this problem! Thanks

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  • Exported csv file is not in right lining with pgadmin

    - by user938363
    We exported a pg 9.3 table to csv file in pgadmin. The problem is that from about 10th line, the lining of the columns were messed up and did not line up correctly with the columns above. We tried a few times and every output has the same problem. We follow the instruction on http://www.question-defense.com/2010/10/15/how-to-export-from-pgadmin-export-pgadmin-data-to-csv for export. The only difference that UTF8 is selected instead of localcharset. What's the right way to export csv in pg?

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  • Creating a Scheduled Task that runs forever on Windows XP

    - by Mike Fiedler
    When I create a scheduled task, I do so via command line: schtasks.exe /Create /TN "startup-script" /TR "C:\startup.bat" /RU taskuser /RP taskpasswd /SC ONLOGON The idea is that this task run forever. The batch opens a java process that is never meant to end. I've used ONLOGON, as the machine auto-logs in as taskuser. All this works fine, for about 72 hours, after which the Duration flag kicks in and ends the process. Windows XP doesn't have the /DU flag on command line - is there an alternative method to creating a task that is meant to run from a system startup (doesn't even require logon) and runs forever, without touching a GUI?

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  • any software for managing data center, incidents, SLAs?

    - by coderwhiz
    I have been looking in using OTRS - ITSM to manage all of our services but wanted to know if any software existed that is not built into a ticket system? Pretty much want to add all services and tie them to an SLA. Once that is done, we would manually declare incidents and the system would automatically send our notificaton to the proper e-mail lists for downtime/planned maintenance. Would be nice if it calculates reports for SLAs etc. thanks

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  • Can WD3200AZRX SATA-3 hard drive work on SATA-2?

    - by Roberts
    I know this question is already been asked a lot of times. I am buying new hard drive today, but I am worrying that it wont work on my motherboard Gigabyte GA-945PL-S3. I want to buy this hard drive. It's pretty expensive and I don't want to get dissapointed. I can't find any documentation about jumper settings and that's why I am asking this question in this site, I hope somebody helps me. Have a nice day!

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  • How do I create a Windows Batch file that does not show the Command Prompt when executed?

    - by Jake
    I have installed a ruby gem called Redcar, which is launched from the command line. When it runs, it steals the shell until it terminates, so I have to create a new shell window to continue doing command line work. The shell I'm using is the GITBash shell from MySysGit. I found a Redcar.bat file which is meant to launch Redcar as a shortcut, I presume, but I don't want the extra command prompt window to open whenever I launch the BAT file. How do I just run the BAT without seeing the prompt?

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  • Dropbox.py on RHEL 6

    - by Timothy R. Butler
    I'm trying to run a headless install of Dropbox on RHEL 6. The daemon seems to be running, but when I try to use Dropbox's associated dropbox.py tool to control the daemon, it fails to run with the following error: Traceback (most recent call last): File "./dropbox.py", line 26, in <module> import locale File "/usr/lib64/python2.6/locale.py", line 202, in <module> import re, operator ImportError: /home/dropbox/.dropbox-dist/operator.so: undefined symbol: _PyUnicodeUCS2_AsDefaultEncodedString I'm running the current RHEL build of Python 2.6: root@cedar [/home/dropbox/.dropbox-dist]# rpm -qv python python-2.6.6-29.el6_3.3.x86_64 (I'm not sure if this would be better suited to Stack Overflow since it is on the verge of being a programming issue, but since I'm trying to use a program straight from Dropbox, I placed it here.)

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  • Looking for network monitoring software for Win7 x64 (similar to the one included with Sunbelt perso

    - by rep_movsd
    I've upgraded from Windows XP to Windows 7 (64bit) and I found that the very convenient Sunbelt Kerio Personal Firewall will not work on this version. I hear the Windows 7 firewall is good enough(even though it never prompts for outbound connections) but Kerio had a nice network monitor feature which showed all applications with inbound and outbound connections and the current speed and bytes transferred for each one. Is there any software out there that can give me similar monitoring as what Kerio does? TCPView is almost as good, but doesnt show transfer statistics.

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  • Is it possible to trick iTunes treating an external HD as an iPod?

    - by Boris Pavlovic
    I keep my music collection on my iPod, but since I got my first iPhone two and a half years ago I have quit using the iPod as a portable music device. It's just an external HD. Benefit of having it as an external HD is that when it's connected to some other computer iTunes can play its music and update iTunes database. It would be nice if I could copy data from the iPod to an external USB HD and give away the iPod to somebody who doesn't have one.

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  • Amortization Schedule in Excel - Know how much interest will be saved by large payment

    - by hubbas
    I have a really nice Amortization Schedule built in Excel using the steps from this page: http://www.wikihow.com/Prepare-Amortization-Schedule-in-Excel It works really nicely, but I am planning to make some large payments and I would love to calculate how much interest I will save, over the life of the loan, for making these larger payment. E.g., if I pay $10k for one payment I will save $4000 in interest over the life of the loan, etc. Is there a way to calculate this?

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  • -w test on OS X gives command not found error

    - by RobV
    I'm writing a bash script which I'm testing on OS X though it will ultimately run on a standard Linux environment and running into a weird error. I have tests like this in my script: if [ ! -w $BP ]; then echo "'$1' not writable" exit 1 fi Which seems pretty sane to me and works fine under Linux but when trying to test on OS X I get the following error message: startSvr.sh: line 135: [: missing `]' startSvr.sh: line 135: -w: command not found So is this a case of OS X not supporting the -w test or is there some other reason this isn't working for me? e.g. environment

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  • HAProxy and Intermediate SSL Certificate Issue

    - by Sam K
    We are currently experiencing an issue with verifying a Comodo SSL certificate on an Ubuntu AWS cluster. Browsers are displaying the site/content fine and showing all the relevant certificate information (at least, all the ones we've checked), but certain network proxies and the online SSL checkers are showing we have an incomplete chain. We have tried the following to try to resolve this: Upgraded haproxy to the latest 1.5.3 Created a concatenated ".pem" file containing all the certificate (site, intermediate, w/ and w/out root) Added an explicit "ca-file" attribute to the "bind" line in our haproxy.cfg file. The ".pem" file verifies OK using openssl. The various intermediate and root certificates are installed and showing in /etc/ssl/certs. But the checks still come back with an incomplete chain. Can anyone advise about anything else we can check or any other changes we can make to try to fix this? Many thanks in advance... UPDATE: The only relevant line from the haproxy.cfg (I believe), is this one: bind *:443 ssl crt /etc/ssl/domainaname.com.pem

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  • How do I start mysqld with options

    - by xiankai
    I need to start up mysqld with command line options as from here: http://dev.mysql.com/doc/refman/5.1/en/server-options.html#option_mysqld_skip-grant-tables I normally do sudo service mysqld start, but passing the option as sudo service mysqld start --skip-grant-tables does not seem to work. Alternatively I have tried starting as a daemon, sudo mysqld_safe --skip-grant-tables & But it seems to terminate too soon: 131101 04:59:57 mysqld_safe Logging to '/var/lib/mysql/vagrant.example.com.err'. 131101 04:59:57 mysqld_safe Starting mysqld daemon with databases from /var/lib/mysql 131101 05:00:03 mysqld_safe mysqld from pid file /var/lib/mysql/vagrant.example.com.pid ended My last option seems to specify the option in /etc/my.cnf instead, but is there any way to do it via the command line?

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  • Free, web based alternative to Visio?

    - by Lars
    I have used Visio to map out my network structure, and have used the export function to create an HTML page that is searchable by IP, hostname etc. This is a really nice tool and I use it often. However, I would like for users who do not use Internet Explorer to be able to use the search features. What are some alternatives to Visio here? I want to draw a network diagram where objects are searchable. Thanks!

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  • Changing the size of the Windows 7 taskbar

    - by dertoni
    Is there a way to change the size of the Windows 7 Taskbar? Internal or with the help of outside programs, both welcome. Something like the MacOS X Doc Zooming effect would be OK/nice, too. Edit: I'm essentially looking for a way to shrink it, because my laptop does not have a big screen so every pixel is valueable.

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  • Enable/disable wireless interface in a bat file

    - by Herms
    Is there a way to enable/disable a wireless network interface via the command line (so I can put it in a bat file)? When I'm in the office I use a wired connection, but Windows still occasionally bugs me about my wireless connection not being connected (even though I turned off the option for notifying me when there's no connectivity). I'm guessing the only way to stop it from bugging me is to disable the interface, but I'd rather not have to go into the network settings every time I need to do so. I'd like to set up a bat file or a shortcut that I can use to enable/disable the wireless (preferably a single one that toggles the current state), and then just set up a keyboard shortcut for that. I just have no idea how to do so from the command line.

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  • can someone explain IOSTAT ouput?

    - by user37197
    i'am having IBM server with Redhat 5 ElsmP connected to the IBM Storage over iSCSI (in sdb ) can someone explain this output from iostat command avg-cpu: %user %nice %system %iowait %steal %idle 12.79 0.01 4.53 72.22 0.00 10.45 Device: tps Blk_read/s Blk_wrtn/s Blk_read Blk_wrtn sda 95.63 48.88 240.95 485589164 2393706728 sdb 29.20 350.49 402.08 3481983365 3994494696 move large file to sdb very slowly,it seem normaly?

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  • School Management System

    - by BoundforPNG
    I am looking for a school management system to replace a homegrown Access db. It should be able handle the following for both a Primary and Secondary school Scheduling classes Student Enrollment Allow teacher to enter grades and comments Generate transcripts and report cards Handle attendance Handle tuition billing It should store data in a server database like SQL Server and it would be nice to have a web interface. We are open to a commercial system or an Open Source system that comes with support.

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  • nagios grouping notifications

    - by rizen
    Is it possible to configure nagios to group notifications into a single e-mail? Sometimes when something goes down my inbox gets spammed with all the notifications. It would just be nice if these could somehow be lumped together. Does anyone know if this is possible?

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