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• How to crash a program

  - by user2949019

  I have a program called BlueCoat Proxy installed on my school issued laptop that basically blocks every second website on the Internet, including stack exchange, YouTube and yahoo answers. I do not have administrator rights, nor can I delete anything in program files, I tried every possible method of obtaining admin rights. It is not accessible in task manager (it doesn't even appear there). I tried to close it with Windows command prompt through commands like 'taskkill' but it returns 'Access is Denied' (I'm only denied access with that program). Does anyone know a method of crashing a program with a batch file or VB program? I was thinking something like the ping command, though for a program. Maybe automating 1000 meaningless requests to the program? Your input on the subject matter is appreciated, however telling me that this is wrong or illegal is not.

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• Missing over 100GB of Space on sda1 RHEL

  - by WifiGhost

  I have a server setup with a RAID 5 using (3) 500GB drives, 1 as a spare so unused in the RAID. So in my mind i start out with 990GB with the RAID 5 in place. When looking at DF or the built in disk space utility i only see a total of about 882GB, how can i find where the 100+GB went? How can i get it back? I've checked the RAID 5 BIOS and i see all the space. I've tried looking manually and through terminal commands with no luck. Filesystem - 1K-blocks - Used Available - Use% - Mounted on /dev/mapper/vg_web-lv_root 838084192 48368700 747153060 7% / tmpfs 12104644 592 12104052 1% /dev/shm /dev/sda1 495844 121546 348698 26% /boot /dev/mapper/vg_web-lv_home 82569904 259136 78116468 1% /home Filesystem Size Used Avail Use% Mounted on /dev/mapper/vg_web-lv_root 800G 47G 713G 7% / tmpfs 12G 592K 12G 1% /dev/shm /dev/sda1 485M 119M 341M 26% /boot /dev/mapper/vg_web-lv_home 79G 254M 75G 1% /home

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• Does a Windows 7 dvd only have one language?

  - by user326639

  I'm a Dutch developer living in Spain. I recently composed a new computer from new parts and I installed Windows 7 Professional 64 bit (OEM) on it. On the web site of the on-line shop there was a note saying "language: Spanish". Because my English is quite a bit better than my Spanish, but mainly because it is much easier to find information on the web in English, I want my OS to be in English. I asked the on-line shop if they also sold the UK version of Windows 7 but they assured me that "all Windows 7 versions are multi-language". With the installation of XP a few years ago, I remember that I was offered the option English or Spanish while the installation process was still in the DOS-like (non-graphical) screen. While installing Windows 7, I did not see any non-graphical screen and the first time I was asked about the language, was in a drop-down list that contained only Spanish. I know about the language pack possibility of Windows 7, but this is not available on Professional. Even if I had Ultimate, I don't know if it would be possible to install Windows in Spanish, and then add English as a second language from a language pack. I get the impression that English has to be the base-language. Furthermore, I am a bit sceptical until I'd see it in action. What happens with shortcuts (i.e. Select All: ctrl-a in English / ctrl-e in Spanish, and what about logging messages in Event Viewer, etc) So can anybody tell me how it works with languages in Windows 7? Have I been misinformed by the computer shop? Could it be that OEM versions of Windows are single language an a full installation is not?

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• Do browsers allows pages loaded on one tab to access/intercept/inject data in other tabs?

  - by jairo

  I was surprised to hear from this Reuters video that it was possible for a page loaded on one tab to access and/or inject data onto another page loaded on a different tab. TL;DW (too lazy; didn't watch) The interviewee in the video suggests that when doing online banking, the user exit his browser (thus closing all windows) and start a new browser session with just your banking page/tab open. Allegedly, malicious sites can check if you have your banking site open and inject commands onto those sites. Can someone confirm and/or deny this claim? Is it only possible even if there is not parent/child relationship between windows/tabs?

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• “Disk /dev/xvda1 doesn't contain a valid partition table”

  - by Simpanoz

  Iam newbie to EC2 and Ubuntu 11 (EC2 Free tier Ubuntu). I have made following commands. sudo mkfs -t ext4 /dev/xvdf6 sudo mkdir /db sudo vim /etc/fstab /dev/xvdf6 /db ext4 noatime,noexec,nodiratime 0 0 sudo mount /dev/xvdf6 /db fdisk -l I got following output. Can some one guide me what I am doing wrong and how it can be rectified. Disk /dev/xvda1: 8589 MB, 8589934592 bytes 255 heads, 63 sectors/track, 1044 cylinders, total 16777216 sectors Units = sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk identifier: 0x00000000 Disk /dev/xvda1 doesn't contain a valid partition table Disk /dev/xvdf6: 6442 MB, 6442450944 bytes 255 heads, 63 sectors/track, 783 cylinders, total 12582912 sectors Units = sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk identifier: 0x00000000 Disk /dev/xvdf6 doesn't contain a valid partition table.

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• Redirecting program errors to both log and error file

  - by Gnanam

  I've a Java standalone program scheduled to run as cron at every 10 minutes I want to catch/write errors thrown by this Java program both in the log file and also as a separate error file (MyJavaStandalone.err). I know the following commands: Errors redirected to a separate file but not to log file /usr/java/jdk1.6.0/bin/java MyJavaStandalone >> MyJavaStandalone.log 2>> MyJavaStandalone.err & Both log and errors are redirected to the same log file, but errors alone are not written to a separate error file /usr/java/jdk1.6.0/bin/java MyJavaStandalone >> MyJavaStandalone.log 2>&1 &

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• BIOS corrupted? How to proceed? Acer Travelmate 290

  - by dtlussier

  I have a older ACER Travelmate 290 (manufactured in 2002 or 2003), which I recently tried to upgrade to Ubuntu 9.10. After doing the upgrade process it appeared as if I had a problem with my x server configuration, as on the first reboot post-install I heard the Ubuntu startup sound, but had a black screen. I thought I would then reboot again to drop down into text-mode to trouble shoot the x configuration problem. However, when I tried rebooting, something went wrong and since then when I start up the machine I get absolutely nothing except the first hardware check (i.e. HDD light flashes, CD/DVD drive spins, etc.). Other than that the screen remains totally black and I have no HDD or processor activity at all. I have tried restarting it a number of time holding down all kinds of key combinations to try and coax it into the BIOS (if possible) with no luck. I have also tried putting in both a live Linux disc and a Windows install disk without any luck. With a disk in the drive it will spin for a few seconds and then stop. All this has lead me to suspect that the BIOS is somehow corrupt (not sure about the right terminology). I have tried putting a new BIOS image and installer program downloaded from ACER on a USB key to see if it will run when I start up the machine, but no luck. I'm not sure if this method of interacting/updating/flashing the BIOS will work outside of Windows/DOS as both OSs are mentioned kind of ambiguously in the documentation. I have also taken the laptop case apart and inspected the various cards and cannot find any obviously burned out components. I'm not sure how to proceed at this point in terms of components to try, or how to try and load a new BIOS image onto the board. Any advice here would be great, especially from those with experience with this particular line of laptops. Thanks!

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• Make blink(1) blink a specific color

  - by dimo414

  I'm playing with my new blink(1), and trying to hook it's command line interface into some of my programs, but the docs are a little limited and I'm struggling to figure out how to run even some seemingly simple commands. In particular, the CLI docs say: Usage: blink1-tool <cmd> [options] where <cmd> is one of: .... --blink <numtimes> Blink on/off .... So I try to run blink1-tool --blink 5 and it outputs blink 5 times rgb:0,0,0: and doesn't light up. How do I use the --blink command?

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• Shell Script Launching Child Processes

  - by Matt James

  Disclaimer: I'm totally new to shell scripting, but have quite a bit of experience in other languages like PHP and Obj-C. I'm writing my first daemon script. Here are the goals: I want it to run in the background I want it to be triggered by an init.d script that includes start/stop/restart commands I want each process in a loop to trigger its own subprocess. When the parent process kicked off by the init.d script is killed, I want the subprocesses to die as well. Essentially, I'm looking for the same kind of behavior that appears to be very common among software like apache, spamd, dovecot, etc. But, based on my research, I haven't found a single, simple answer as to how this kind of thing is achieved. Any help is greatly appreciated.

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• IIS FTP service - download timeouts and restarts getting the data twice

  - by accel229

  We have an IIS FTP site on a Windows Server 2003 x64 machine. Application Layer Gateway service is disabled (so http://support.microsoft.com/kb/931130 does not apply). Windows Firewall service is disabled as well. Connection timeout for the FTP site (there is only one) is set to 1,200 seconds = 20 minutes. An external client can connect to the site, list directory contents and download small files. When a client attempts to download a large file (eg, if the download continues for 3 minutes, which is still under 20 minutes, but relatively long), the server sends all data, then the connection times out, the client issues REST / RETR commands attempting to restart the download since after the last byte (which I believe should succeed and receive exactly 0 bytes), and the server behaves as if the client tried to restart after byte 0, that is, it sends the entire file all over. Any ideas on how to fix this?

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• rpm -Uvh & yum install

  - by Nyxynyx

  I am new to linux and wants to understand the reason for using some commands. I am trying to install PostgreSQL on CentOs by following the instructions here. First we do rpm -ivh pgdg-centos91-9.1-4.noarch.rpm which installs the rpm package into the system. But why does it ask us to do yum install postgresql91-server (which i assume installs postgresql) again if we have used rpm -ivh to install the package? Additionally, what is the reason for adding the lines exclude=postgresql* into /etc/yum.repos.d/CentOS-Base.repo under [base] and [updates]. Why is it that we exclude yum from accessing these packages, then use yum to install postgresql91-server?

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• avconv and ffmpeg - drawtext filter text_w evaluates as 0 in Ubuntu Precise

  - by Chris White

  I'm attempting to draw text onto a video using either the avconv or ffmpeg commands. When specifying x= for where on the final video to place the text, the 'text_w' value is evaluating to 0, rather than the width of the rendered text as it should. I'm using Ubuntu 12.04 I've got avconv version 0.8.3-4:0.8.3-0ubuntu0.12.04.1 and ffmpeg version 0.8.3-4:0.8.3-0ubuntu0.12.04.1 Example command: avconv -i test.mov -vf "drawtext=fontfile='/usr/share/fonts/truetype/ttf-dejavu/DejaVuSans.ttf':text='test text':x=text_w:y=50:fontsize=24:fontcolor=black" texted.mov This command causes the text to be printed as if x were set to 0. What I'd really like to be able to do is center the text horizontally using something like this: avconv -i test.mov -vf "drawtext=fontfile='/usr/share/fonts/truetype/ttf-dejavu/DejaVuSans.ttf':text='test text':x=(main_w-text_w)/2:y=50:fontsize=24:fontcolor=black" texted.mov Using ffmpeg for to attempt the same ends with the same result ffmpeg -i test.mov -vf "drawtext=fontfile='/usr/share/fonts/truetype/ttf-dejavu/DejaVuSans.ttf':text='test text':x=(main_w-text_w)/2:y=50:fontsize=24:fontcolor=black" texted.mov

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• -bash: ls: command not found at Terminal on MAC OS

  - by art.mania

  I need to start using GIT for my projects from now on and I need to use some UNIX commands. but no matter what I do, I always receive "command not found" error. I installed MacPorts, but still cant run any UNIX command :/ When I try ls, I get the error below, same for sudo, or any other command: -bash: ls: command not found and when I try $PATH, I get the lines below: hakan-yilmaz-MacBook-Pro:~ hakanyilmaz$ **$PATH** -bash: /opt/local/bin:/opt/local/sbin:/opt/local/bin:/opt/local/sbin:/opt/local/bin:/opt/local/sbin:/Library/Frameworks/Python.framework/Versions/2.6/bin:/Library/Frameworks/Python.framework/Versions/Current/bin:/opt/subversion/bin/:PATH: No such file or directory I'm on Mac OS X 10.6.6 I spent 2-3 days and kept googling and trying everything I found at forums, but no success. SOLUTION: I opened .bash_profile with TextWrangler and removed everything else than export PATH=/opt/local/bin:/opt/local/sbin:$PATH Then, I reboot that Mac, and WORKING!!!!

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• How to stop a infinite running process(ztail) started by a ssh session after that session is closed

  - by Sanath Adiga

  I have a peculiar problem. My server supports multiple ssh session simultaneously, so that multiple admins can manage it simultaneously. We have a command which calls ztail to show the compressed log files and when the current ssh session is closed (without pressing ctrlc, to stop the tail command), the command should ideally stop working. But what I observed when I start a new ssh session is that the process ztail is still running in the background and consuming CPU, even though the previous session was closed. How can I determine when the session is closed, so that I can use that variable/flag to close/stop any commands initiated by that previously closed session?

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• Unable to install bin files.(No such file or directory error)

  - by rogerstone

  I wanted to install adobe reader on my ubuntu 10.10(Maverick Meerkat).I have downloaded the file and copied it on my desktop.I had then browsed to the desktop directory through command line terminal. I had tried all the possible combinations of the commands but still i get a "file or directory does not exist error" roger@ubuntu:~/Desktop$ chmod a+x AdbeRdr9.4-1_i486linux_enu.bin roger@ubuntu:~/Desktop$ sudo ./AdbeRdr9.4-1_i486linux_enu.bin sudo: unable to execute ./AdbeRdr9.4-1_i486linux_enu.bin: No such file or directory I tried without the sudo and this is what i get roger@ubuntu:~/Desktop$ chmod a+x AdbeRdr9.4-1_i486linux_enu.bin roger@ubuntu:~/Desktop$ ./AdbeRdr9.4-1_i486linux_enu.bin bash: ./AdbeRdr9.4-1_i486linux_enu.bin: No such file or directory The file is present in the desktop.Where am i going wrong? P.S:This is not a duplicate of the question Cannot install .bin package on Ubuntu

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• Possible to get SSD TRIM (discard) working on ext4 + LVM + software RAID in Linux?

  - by Don MacAskill

  We use RAID1+0 with md on Linux (currently 2.6.37) to create an md device, then use LVM to provide volume management on top of the device, and then use ext4 as our filesystem on the LVM volume groups. With SSDs as the drives, we'd like to see the TRIM commands propagate through the layers (ext4 - LVM - md - SSD) to the devices. It looks like recent 2.6.3x kernels have had a lot of new SSD-related TRIM support added, including lots more coverage of Device Mapper scenarios, but we still can't seem to get it to cascade down properly. Is this possible yet? If so, how? If not, is any progress being made?

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• Configuring Notepad++ to run knitr2pdf

  - by Stat-R

  Sorry for such a basic question but since I do not have a degree in programming... I am a user of R, knitr and Notepad++. I was trying to configure Notepad++ to run pdflatex and knitr(knit2pdf). By googling I found how to do it for pdflatex but I did not find anything for sweave/knitr. The following are the good ones for pdflatex http://www2.sofi.su.se/~mbe/docs/npp_r_latex.pdf http://www.tlhiv.org/ma497/software/ I inserted cmd /c cd /d "$(CURRENT_DIRECTORY)" && pdflatex.exe -shell-escape "$(FILE_NAME)" into the runrun menu in Notepad++. I do not fully understand the command though. I will appreciate any help on this. Please direct me if you can to any resource for learning these commands. I will be grateful to get any help in configuring Notepad++ for running knitr.

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• How do I connect to my wireless router settings on Linux?

  - by Joshua Robison

  My network is as follows: Internet Provider's DSL modem connected to Internet Provider's router connected to My Buffalo Wireless router connected to My Toshiba Laptop via WEP network My Toshiba Laptop is running LMDE Linux Mint Debian Edition Service Pack 3 i686 kernel I have experience using various routers and their configuration settings but for some reason I can not access my wireless router. In my cromium browser I tried the following ip addresses: Standard Usual IPs : 192.168.1.1, 192.168.0.1 (connection hangs and goes no where) On the back of my router: 192.168.11.1, 192.168.11.100 (connection hangs and goes nowhere ) In some tcpip info: 192.168.24.1 (unable to connect error message) If someone could give me some terminal commands that will help me find my wireless router address or some trouble shooting ideas, I would be very thankful.

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• How to recover basic networking utilities on Debian?

  - by Rizo

  I am administrating a small server for LAN, providing basic services such as web-proxy, ldap, kerberos, afs, etc. Yesterday there was a power cut so server halted. When I restarted it no network interfaces were available and configured. I tried restarting networking daemon but it just exited with 0 status. So I tried to run one of the interfaces manually, but ifup and ifdown commands simply are not there. No only in PATH, but they disappeared from /sbin. So my question is: how can I recover these network utilities?

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• bash one-liner loop over directories throws errors

  - by cori

  I'm trying to build a bash one-liner to loop over the directories within the current directory and tar the content into unique tars, using the directory name as the tar file name. I've got the basics working (finding the directory names, and tarring them up with those names) but my loop tosses some error messages and I can't understand where it's getting the commands its trying to run. Here's the mostly-working one-liner: for f in `ls -d */`; do `tar -czvvf ${f%/}.tar.gz $f`;done The "strange" output is: -bash: drwxrwxr-x: command not found -bash: drwxr-xr-x: command not found -bash: drwxr-xr-x: command not found -bash: drwxrwxr-x: command not found What portion of the command that I'm running do I not understand and that's generating that output?

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• Need IP port forwarding to access an internel service running on an internal machine

  - by appleluo

  I am trying to configure iptables to do port forwarding for certain request. The scenario is like this: Login node A can be accessed from outside Compute node B that running the service can be accessed from A but not from outside. I want to set up iptables so that a request for the service on B from outside can be accessed through A. A has two ethernet ports: Internal eth0, with ip internal_A and External eth1, with ip external_A. B has 1 ethernet port, internal eth0. let's say its ip is internal_B The service listens to internal_B:5900. We open external_A:10000 for user access. I configure my iptables with the following commands: echo 1> /proc/sys/net/ipv4/ip_forward /sbin/iptables -P FORWARD ACCEPT /sbin/iptables -t nat -A POSTROUTING -j MASQUERADE /sbin/iptables -A PREROUTING -p tcp -t nat --dport 10000 -j DNAT --to-destination interal_B:5900 /sbin/iptables -A OUTPUT -p tcp -t nat -d external_A --dport 10000 -j DNAT --to-destination internal_B:5900 But it didn't work. Can anybody help me?

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• FTP an entire folder via the command line

  - by Chris Southam

  I'm looking so migrate some websites to a new server. I have SSH access to the current one but only FTP access to the new one. How can I via Centos and SSH copy entire folders to the new server via FTP? I can log into the new server via the built in FTP client on Centos but I'm not sure of the commands after this. I need to move the httpdocs folder from the old to the public_html folder of the new server. I'd love to do this server to server as it'll be a lot quicker than download - upload via my broadband connection. Yours, Chris

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• Manage MS SQL server over SSH (putty)

  - by adopilot

  There is great implementation of PuttY for Symbian S60 devices, and last versions of Nokia phones with full QWERTY keyboard offers comfort for using Putty and SSH goodies. I start wondering is there a way to access MSSQL over SSH and send T-SQL commands. I am able to connect my router which running on FreeBSD OS, also other CentOS server with MYSQL are able to me over SSH. I want to try access MS-SQL-2005 from my mobile phone, Probably this is not going to have daily use, it is just for geeky and justification to myself: why I had to buy so expensive a toy

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• Windows 7 boot manager issue

  - by L.ppt

  I was having windows 7 installed on my laptop, yesterday I tried to install Open Suse operating system. During its installation I chose a NTFS partition and formatted it to ext4 filesystem. During installation an error came that mount point cannot be created on this partition and I aborted the installation. They on reboot a message came BootMgr is missing. I then reinstalled the windows but on complete installation when setup rebooted the system then a blank screen came with a cursor blinking. I went through many forums and learnt may startup repairs and commands but it continues to hang up at a blank screen with cursor blinking. Reinstalling new windows 7 is also not doing any effect. I urgently need to repair my laptop for very important work. Please Help

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• Linux: Schedule command to run once after reboot (RunOnce equivalent)

  - by Christopher Parker

  I'd like to schedule a command to run after reboot on a Linux box. I know how to do this so the command consistently runs after every reboot with a @reboot crontab entry, however I only want the command to run once. After it runs, it should be removed from the queue of commands to run. I'm essentially looking for a Linux equivalent to RunOnce in the Windows world. In case it matters: $ uname -a Linux devbox 2.6.27.19-5-default #1 SMP 2009-02-28 04:40:21 +0100 x86_64 x86_64 x86_64 GNU/Linux $ bash --version GNU bash, version 3.2.48(1)-release (x86_64-suse-linux-gnu) Copyright (C) 2007 Free Software Foundation, Inc. $ cat /etc/SuSE-release SUSE Linux Enterprise Server 11 (x86_64) VERSION = 11 PATCHLEVEL = 0 Is there an easy, scriptable way to do this?

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