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• Increasing Screen Resolution to more than limit and scaling to origional

  - by Akshat Mittal

  I have a laptop, with Screen Resolution - 1366x768 (most common) - I want to increase it further to 1600x900 (or higher), in the same ratio. I want to scale the higher resolution on my current screen to fit it. I found xrandr with command xrandr --output LVDS1 --scale 1.4x1.4, this worked but again resulted to another problem, it does the scaling thing but the cursor is still blocked into the native screen resolution and I am not able to move it further, I found that the bug is already filed here. Also this command was only for Linux, I wanted to do this thing with both Linux and Windows (including Windows 8). I want a similar software that is bug free (at least not a major bug like this) and that supports Windows as well (or two separate software for Windows and Linux). Any help is appreciated and Thanks in advance.

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• For Loop counting from 1 to n in a windows bat script

  - by raoulsson

  I need to run a windows command n times within a bat script file. I know how to do this in various programming languages but cannot manage to get it right on the windows command line :-( I would expect something like either for(int i = 0; i < 100; i++) { // do something } or even this (though not entirely seriously) 1.upto(100, { // do something }) Thanks! EDIT I can write a program in java, perl, c or whatever that will generate a bat script that looks like this for %%N in (1 2 3 4 5 6 7 8 9 10 11 12) do echo %%N and so on. Or even "better": echo 1 echo 2 echo 3 echo 4 echo 5 echo 6 echo 7 echo 8 echo 9 echo 10 echo 11 echo 12 and then execute it... But the thing is that I need a concise way to specify a range of numbers to iterate through within the script. Thanks!

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• How to install .deb file from within preinst script

  - by Ashwin D

  I have my own application packaged using dpkg. The application depends on several deb files which I'm trying to install from within the preinst script of my application. The preinst script checks if a dependent deb file is installed, if not it goes to installt it using the dpkg -i command. This is repeated for all the dependent deb files needed by the main application. When I try to install the main application using dpkg -i, the commands returns failure when trying to execute the preinst script. Below is that error message. dpkg: error: dpkg status database is locked by another process I deleted /var/lib/dpkg/lock file and retried to install the application. But to no avail. If I run the preinst script separately like any other shell script, it runs without any issue. All the deb files will be installed properly. So, the issue is only when this preinst script is being run automatically by the dpkg -i command. I'm lost trying to determine the root cause. If anyone can shed some light on what the real issue might be, their help will be greatly appreciated. Thank you. Ashwin

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• rsync - How to exclude one .htaccess but not all of them

  - by Cory Gagliardi

  I have an rsync command for copying my files from dev to production. I don't want to copy the .htaccess file that's in the root of the HTML directory but, I do want to copy the few .htaccess files that are in its sub directories. I'm using the argument --exclude .htaccess which is stopping all of the files from getting copied. The other arguments I'm including are -a --recursive --times --perms. Is it possible to configure rsync to do this? Edit: Here is my full command: rsync -a --recursive --times --perms \ --exclude prop_images --exclude tracking --exclude vtours \ --exclude .htaccess --exclude .htaccess_backup --exclude "*~" \ /home/user/dev_html/* /home/user/public_html/

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• Where does linux look for shared libs?

  - by EsbenP

  I am trying to get the ar command on an embedded ARM computer running linux. I want to install debian and openjdk. It is a headless system. This is a custom linux distribution provided by the hardware manufacturer. The debian installer is missing the ar command so i tried copying the binaries from the debian package, but when running ar I get error while loading shared libraries: libbfd-2.18.0-multiarch.20080103.so: cannot open shared object file: No such file or directory libbfd is also in the package. I tried linking it to /lib and /usr/lib but I get the same message when running. What is the best way to get debian and ar on a custom linux distro?

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• Hired developer insists on doing things the wrong way

  - by Tariq- iPHONE Programmer

  Hello, i am working with Social Networking iphone app which require remote data connection. So i hired a php developer in order to provide me RESTful services. But when i start working with him, he arguing me that he will not make stored procedures and web services. Instead of he suggested me to pass query as a parameter. Suppose If I have to call Search service, he told me to send POST request with 3 parameters: Query="select * from users", username=abd and password = 123 And i thing there is no such architecture in order to use remote data. Then he is saying it is possible through socket programming. And I am 100% sure this is not an appropriate way to access remote data. This is simply illogical. Thousands of iphone application using REST/SOAP services to make remote data connection He just declined me to provide RESTful services. Please its my heartily advice to all developers that post your own views over here. So that I can show to that developers that these are the views from all developers worldwide.

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• Speed up ADF Mobile Deployment to Android with Keystore

  - by Shay Shmeltzer

  As you might have noticed from my latest ADF Mobile entries, I'm doing most of my ADF Mobile development on a windows machine and testing on an Android device. Unfortunately the Android/windows experience is not as fast as the iOS/Mac one. However, there is one thing I learned today that can make this a bit less painful in terms of the speed to deploy and test your application - and this is to use the "Release" mode when deploying your application instead of the "Debug" mode. To do this you'll first need to define a keystore, but as Joe from our Mobile team showed me today, this is quite easy. Here are the steps: Open a command line in your JDK bin directory (I just used the JDK that comes with the JDeveloper install). Issue the following command: keytool –genkey –v –keystore <Keystore Name>.keystore –alias <Alias Name> -keyalg RSA –keysize 2048 –validity 10000 Both keystore name and alias names are strings that you decide on. The keytool utility will then prompt you with various questions that you'll need to answer. Once this is done, the next step is to configure your JDeveloper preferences->ADF Mobile to add this keystore there under the release tab:  Then for your application specific deployment profile - switch the build mode from debug to release. The end result is a much smaller mobile application (for example from 60 to 21mb) and a much faster deployment cycle (for me it is about twice as fast as before).

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• Git clone on an ovh host server

  - by newben

  I want to do a git-clone from an ssh connection, on an ovh host-server, but it does not work: Here's the command I entered: git clone ssh :/ / [email protected] / www / (and all variations /. Git / www / .git, / www / .git / ... ) This is the message that I invariably get: fatal: '/ www': unable to chdir or not a git archive fatal: The remote end hung up unexpectedly Moreover, the command git clone "ssh :/ / [email protected] / ~ / forumdesthinktanks.git" responded with: Permission denied, please try again. [email protected] 's password: While the ftp password is correct. Finally, the commands git clone ssh :/ / [email protected] /. Git and git clone ssh :/ / [email protected] / ~ / forumdesthinktanks.git do not work (until the terminal's time out). I'm using a terminal from my Mac.

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• Why is Thunar not creating and showing thumbnails of images?

  - by darenw

  Thunar is my main file manager. Normally it automatically creates thumbnail images of all images in the directory being viewed. After experimenting with other Linux distros then installing Arch Linux once and for all, Thunar is not showing thumbs. Image files all get the same generic image icon. Googling turned up some information: Something called gvfs needs to be installed. I have it. Still no go. (Apparently this isn't actually needed anyway.) Someone had this problem and fixed it by running some mime-related command (I didn't save any notes) I did this same command but no go. Checking the obvious: in Thunar's Edit/Preferences, yes, the [x] Show thumbnails is turned on. When I view one image in GIMP or EOG, the generic icon in Thunar is replaced by a thumbnail. But only for that one file I opened.

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• Handling FreeBSD package upgrades using pkg_add

  - by larsks

  I'm trying to use FreeBSD's pkg_add command to install and upgrade binary packages in a build-once-install-on-multiple-machines sort of scenario. It works well when installing a new package, but upgrades are baffling me. For example, if I want to upgrade a package that is depended on by another package, I can't just install it: # pkg_add /path/to/somepackage-2.0.tbz pkg_add: package 'somepackage' or its older version already installed At this point, I can delete the older version of the package if I pass -f to the pkg_delete command: # pkg_delete -f somepackage-1.0 pkg_delete: package 'somepackage-1.0' is required by these other packages and may not be deinstalled (but I'll delete it anyway): anotherpackage-1.0 But...and this is the killer...now the dependency information is gone! I can install the upgrade: # pkg_add /path/to/somepackage-2.0.tbz And now attempts to delete it will succeed without any errors: # pkg_delete somepackage-2.0 How do I handle this gracefully (whereby "gracefully" means "in a fashion that preserves dependency information without requiring me to rebuild/reinstall and entire dependency chain"). Thanks!

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• Recognizing Dell EquilLogic with Nagios

  - by user3677595

  EDIT: All firmware and models are compatible, that is why nothing is posted about it. Okay, so there will be a lot here, so please bare with me. I've been working on this now for a few hours (reading manuals and such) so I'm not just coming here right out of the blue. I am working on a PRE-EXISTING Nagios server where there are several other existing plugins and checks running and working. Now I want to add another server there to check so I made the following modifications: First and foremost, I added a file to /usr/local/nagios/libexec named: check_equallogic.sh. The permissions are 755, the same as all others. I have chowned to nagios:nagios and in the listing it shows the Owner as Nagios. I then added a command to the commands.cfg file in \usr\local\nagios\etc\objects that shows the following: # 'check_equallogic' command definition define command{ command_name check_equallogic command_line $USER1$/check_equallogic -H $HOSTADDRESS$ -C $ARG1$ -t $ARG2$ $ARG3$ } Following this, I created a file named equallogic.cfg in the objects directory and it contains (more or less): define host{ use linux-server ; Inherit default values from a template host_name 172.16.50.11 ; The name we're giving to this device alias EqualLogic ; A longer name associated with the device address 172.16.50.11 ; IP address of the device contact_groups admins } Check Equallogic Information define service{ use generic-service host_name 172.16.50.11 service_description General Information check_command check_equallogic!public!info } After ensuring that permissions are okay for all files, I restart the nagios service, no errors. When I go into the WebGUI, I get the following errors AFTER the check runs: (Return code of 127 is out of bounds - plugin may be missing) Extra, probably unrelated problem Furthermore, when I log into the EquilLogic server, under Audit logs I get the following error: Level: AUDIT Time: 26/05/2014 3:59:13 PM Member: ps4100-1 Subsystem: agent Event ID: 22.7.1 SNMP packet validation failed, request received from 172.16.10.11 An snmpwalk receives a timeout, whereas others succeed. I will work on importing the MIBs tomorrow. The reason why I am mentioning it is because I want to make sure that it is only a MIB issue for the SNMP. If it is, then ignore this area. I am entirely unsure of what to do here.

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• How to backup data on debian vps to dropbox?

  - by IBr

  I have really simple private VPS with some webpages and music server. I want to backup some configs and some scripts to dropbox or similar service. Server has no gui (except simple ssh X forwarding, which is neither convenient for constant usage and does not provide full desktop) everything is controlled through ssh. So my question would is it possible to setup dropbox client for command line use? How? Is there any alternatives for dropbox, which would have command line clients? Also is it possible to incorporate backup into script for cron job?

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• How to use second volume devide of amazon EC2

  - by Khoyendra Pande

  I have two volumes of amazon EC2 where by default 1 GiB volume using which has fulled. Now I want to use my second volume which is 9 Gim. I used command cat /proc/partitions I got major minor #blocks name 202 1 1048576 xvda1 202 80 9437184 xvdf Then I hit mkfs.ext3 -F /dev/sdf its showing mkfs.ext3: No such file or directory while trying to determine filesystem size then I hit command df and I got Filesystem 1K-blocks Used Available Use% Mounted on /dev/xvda1 1032088 1031280 0 100% / tmpfs 313160 8 313152 1% /lib/init/rw udev 297800 24 297776 1% /dev tmpfs 313160 4 313156 1% /dev/shm overflow 1024 32 992 4% /tmp means still I am unable to use my 9 GiB space Volume. I am conform I have two volume where attachment information is i-7e4fb41c:/dev/sda1 (attached) and i-7e4fb41c:/dev/sdf (attached) where only sda1 is using. Any one know how may I use my second volume(sdf). Thx

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• How to send a pipe with psexec?

  - by Pierre-Alain Vigeant

  I'm trying to execute a pipe on a remote server by using psexec. The command that I'm trying to execute is psexec \\servername DSQUERY USER -name *userpart* | DSGET USER -samid -display Currently, the | pipe symbol get executed locally which is not what is wanted (since dsget does not exist on my machine). I tried to use quote around the whole command psexec \\servername "DSQUERY USER -name *userpart* | DSGET USER -samid -display" but that resulted in psexec trying to run that whole quoted sentence as one executable, which obviously does not exist. How can I pass a pipe symbol to the remote server so that it can execute it?

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• environment variable issue in shell

  - by George2

  I am using Red Hat Linux Enterprise 5. I know the theory that -- using export to set environment variable, the environment variable will apply to current and child environment, but without using export to set environment variable, the environment variable will only apply to the current environment. My confusion is, what is the exact definition of "child environment" and "current environment"? For example, $ var1=123 $ echo "Hello [$var1]" the value of var1 (which is 123) is printed in shell, but I think echo is a command invoked by current shell, and it (the echo command) should be a child environment of current shell and the value of var1 should not (because not using export var1=123) impact echo. Any comments? Thanks in advance!

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• startup Error for Zend Server CE

  - by Jamison

  Hello! I've got a strange startup error for Zend Server CE - it's probably easy to fix, but I don't have much experience with Zend Server! I'm running the latest OSX 10.6.6 and the latest Zend Server CE for Mac. When I run the "start" command from the command line, here is what I get: /usr/local/zend/bin/apachectl start [OK] spawn-fcgi: child spawned successfully: PID: 4206 /usr/local/zend/bin/shell_functions.rc: line 133: 4210 Bus error $WATCHDOG -i $BINARY 1>&3 2>&4 /usr/local/zend/bin/shell_functions.rc: line 133: 4211 Bus error $WATCHDOG -u $WD_UID -g $WD_GID -s $BINARY 1>&3 2>&4 Starting Zend Server GUI [Lighttpd] [FAILED] /usr/local/zend/bin/lighttpdctl.sh: line 46: 4212 Bus error $WATCHDOG -i $BINARY Starting MySQL SUCCESS! /usr/local/zend/bin/shell_functions.rc: line 133: 4304 Bus error $WATCHDOG -i $BINARY 1>&3 2>&4 /usr/local/zend/bin/shell_functions.rc: line 133: 4425 Bus error $WATCHDOG -u $WD_UID -g $WD_GID -s $BINARY 1>&3 2>&4 Starting Java bridge [FAILED] /usr/local/zend/bin/java_bridge.sh: line 39: 4426 Bus error $WATCHDOG -i $BINARY Zend Server started... The challenge is that ZEND SERVER wont open the GUI with this error, and seemingly I can click on Zend Server in the Applications folder and it opens for a second and immediately closes. I've made sure that Web Sharing is turned off to avoid conflicts, and I've run Disk Utility from my recovery disk to make sure there are no file system errors. Here is what the lines that are referenced in the errors have in terms of code: shell_functions.rc: (starting on line 132 - the error message says line 133...): launch() { if [ -z "$DEBUG" ]; then exec 3>/dev/null 4>&3 else exec 3>&1 4>&2 fi $WATCHDOG -i $BINARY 1>&3 2>&4 RET=$? if [ $RET -eq 0 ];then $ECHO_CMD "$BINARY watchdog is up and running.. ${OK_COLOR}[OK]${T_RESET}" return $RET else #$WATCHDOG -u $WD_UID -g $WD_GID -s $BINARY >> "$PREFIX/logs/watchdog_$BINARY.log" 2>&1 $WATCHDOG -u $WD_UID -g $WD_GID -s $BINARY 1>&3 2>&4 report $? "Starting" fi } _kill() { $WATCHDOG -i $BINARY > /dev/null 2>&1 if [ $? -eq 1 ];then $ECHO_CMD "$BINARY is not running" else $WATCHDOG -t $BINARY > /dev/null 2>&1 report $? "Stopping" fi } lighttpdctl.sh: (starting on line 45 - the error message says line 46...): status() { $WATCHDOG -i $BINARY } case "$1" in start) start status ;; stop) stop ;; restart) stop sleep 1 start ;; status) status ;; *) usage exit 1 esac exit $? java_bridge.sh: (starting on line 38 - the error message says line 39...): status() { $WATCHDOG -i $BINARY } Question: "Watchdog" is library in this zend BIN folder - it seems to handle error reporting? all the errors in my start command seem to deal with this Watchdog thing, but I don't know what to do about it... Thanks!

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• Ping Unknown Host on CentOS at EC2

  - by organicveggie

  Weird problem. We have a collection of servers running CentOS 5 on EC2. The setup includes two DNS servers and two LDAP servers. DNS has a CNAME pointing at the primary LDAP server. One machine (and only one machine) is giving me problems. I can ssh into the server using LDAP authentication. But once I'm on the machine, ping won't resolve the LDAP host even though DNS seems to work fine. Here's ping: $ ping ldap.mycompany.ec2 ping: unknown host ldap.mycompany.ec2 Here's the output of dig: $ dig ldap.mycompany.ec2 ; <<>> DiG 9.3.6-P1-RedHat-9.3.6-4.P1.el5_5.3 <<>> ldap.studyblue.ec2 ;; global options: printcmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 2893 ;; flags: qr aa rd ra; QUERY: 1, ANSWER: 2, AUTHORITY: 0, ADDITIONAL: 0 ;; QUESTION SECTION: ;ldap.mycompany.ec2. IN A ;; ANSWER SECTION: ldap.mycompany.ec2. 3600 IN CNAME ec2-hostname.compute-1.amazonaws.com. ec2-hostname.compute-1.amazonaws.com. 55 IN A aaa.bbb.ccc.ddd ;; Query time: 12 msec ;; SERVER: 10.32.159.xxx#53(10.32.159.xxx) ;; WHEN: Tue May 31 11:16:30 2011 ;; MSG SIZE rcvd: 107 And here is resolv.conf: $ cat /etc/resolv.conf search mycompany.ec2 nameserver 10.32.159.xxx nameserver 10.244.19.yyy And here is my hosts file: $ cat /etc/hosts 10.122.15.zzz bamboo4 bamboo4.mycompany.ec2 127.0.0.1 localhost localhost.localdomain And here's nsswitch.conf $ cat /etc/nsswitch.conf passwd: files ldap shadow: files ldap group: files ldap sudoers: ldap files hosts: files dns bootparams: nisplus [NOTFOUND=return] files ethers: files netmasks: files networks: files protocols: files rpc: files services: files netgroup: files ldap publickey: nisplus automount: files ldap aliases: files nisplus So DNS works the way I would expect. And I can ping the ldap server by ip address. And I can even access the box with SSH using LDAP authentication. Any suggestions?

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• How to install nvidia drivers (GT 440 ) on Xubuntu 12.10 , screen res gone to 640x480 :(

  - by shaggyjack

  Hi all after days of endless googling I finally gave in and decided to try and directly ask for help. I have just installed Xubuntu and updated to 12.10 on a pretty old (12 years) machine, and I am now struggling to install the correct drivers for the nvidia 440 gt card.. I have managed to get "additional drivers" but the app does not show in the menu, I went through a few procedures which ended up in my screen going no higher than 640x480, and tried all the sudo apt-get variations with nvidia-current and current updates... I think I got the right version of the drivers ( 93.43.07 ) but they won't install from terminal as they say I am running an X server. So I learnt how to shut the graphic interface but then I try and install them from there but after I write the exact same command (sudo home/username/Downloads/NVIDIA-Linux-x86-96.43.07.pkg1.run ) nothing happens and the terminal says something like command not found. I am desperate for help if anybody could point me in the right direction that would be greatly appreciated. There are lots of similar topics on installing nvidia drivers but I seem to understand that current drivers are no good for my old GPU. So if anybody could show me how to install the right version that would be excellent. Thanks in advance! Jack

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• Multi Gateway and Backup Routing on a cisco router

  - by user64880

  Hi all, I have a 2611 Cisco Router with only one Fastethernet port Now I have two internet gateways. I want to config my router as when primary routing fails second routing automatically start to route all my packets. When I set 2 IP route command in my router then I check I see it work well but when peer IP on primary routing is down it can not change to second routing until I remove first route command.In the following I write my setting. How can I set it? interface FastEthernet0/0 ip address 81.12.21.100 255.255.255.248 secondary ip address 62.220.97.14 255.255.255.252 ip route 0.0.0.0 0.0.0.0 62.220.97.13 ip route 0.0.0.0 0.0.0.0 81.12.21.97 100 Cheer, Kamal

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• opennebula 3.4 in debian squeeze

  - by Jin Splif

  hope can get some advise n help.... currently I am installing opennebula 3.4 in debian squeeze everything have being successful where I am able to access the opennebula sunstone webpage localhost:9869 , use one command but when I tried to create a host the status become error... hope someone can assist me on this thanks sample log Monitoring host abc (0) [InM][I]: Command execution fail: 'if [ -x "/var/tmp/one/im/run_probes" ]; then /var/tmp/one/im/run_probes kvm 0 abc; else exit 42; fi' [InM][I]: ssh: Could not resolve hostname abc: Name or service not known [InM][I]: ExitCode: 255 [InM][E]: Error monitoring host 0 : MONITOR FAILURE 0 -

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• Algorithmic problem - quickly finding all #'s where value %x is some given value

  - by Steve B.

  Problem I'm trying to solve, apologies in advance for the length: Given a large number of stored records, each with a unique (String) field S. I'd like to be able to find through an indexed query all records where Hash(S) % N == K for any arbitrary N, K (e.g. given a million strings, find all strings where HashCode(s) % 17 = 5. Is there some way of memoizing this so that we can quickly answer any question of this form without doing the % on every value? The motivation for this is a system of N distributed nodes, where each record has to be assigned to at least one node. The nodes are numbered 0 - (K-1) , and each node has to load up all of the records that match it's number: If we have 3 nodes Node 0 loads all records where Hash % 3 ==0 Node 1 loads all records where Hash % 3 ==1 Node 2 loads all records where Hash % 3 ==2 adding a 4th node, obviously all the assignments have to be recomputed - Node 0 loads all records where Hash % 4 ==0 ... etc I'd like to easily find these records through an indexed query without having to compute the mod individually. The best I've been able to come up with so far: If we take the prime factors of N (p1 * p2 * ... ) if N % M == I then p % M == I % p for all of N's prime factors e.g. 10 nodes : N % 10 == 6 then N % 2 = 0 == 6 %2 N % 5 = 1 == 6 %5 so storing an array of the "%" of N for the first "reasonable" number of primes for my data set should be helpful. For example in the above example we store the hash and the primes HASH PRIMES (array of %2, %3, %5, %7, ... ]) 16 [0 1 1 2 .. ] so looking for N%10 == 6 is equivalent to looking for all values where array[1]==1 and array[2] == 1. However, this breaks at the first prime larger than the highest number I'm storing in the factor table. Is there a better way?

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• Installing Ubuntu along with windows 7 on shrunk partition

  - by Thabo

  I am new to Ubuntu OS and ask Ubuntu community. First this is not a duplicate question. Actually this a question which is a summery of all solutions and questions were posted in this community, related to Install Ubuntu along with Windows 7. I have bought a new Hp laptop with its original windows 7.I want to install Ubuntu along with windows 7 64 bit. I ran the Ubuntu 12.4 Desktop installation CD. But Ubuntu installer doesn't show the "along with windows 7 option"only it is showing two options. I read some questions and answers posted on this community. Specially following link Ubuntu 12.04 does not see windows already install on my computer (dual installation) I tried following thinks, I ran the terminal in live CD and tried sudo dmraid -rE command and dmraid remove command .But terminals says there is no dmraid partitions. So I tried another scenario checked my partitions with g parted.There are some partitions labeled C,HP tools,Recovery and System. C is containing windows 7 Files. So I shrank the volume of C Drive. Now I have 50000Mb of unallocated disk. I tried with Gparted to create a partition on that allocated space.It says some thing that you can't create more than four primary partition.Of course all other four partitions were created on widows are actually type of primary partition. So I went back to Windows 7 and tried to create a new volume on unallocated space.But unfortunately it says,If i create a new volume it will be the type of Dynamic partition.It says we cant boot another OS from that partition. So i cancelled that step. Now i have 50000Mb unallocated space but how can i install Ubuntu on that partition without harming the existing Windows 7? Because still I have only two options: Erase and install Ubuntu. Try something else. (I can see my unallocated space by going to "something else" option.)

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• Howto run jupiter script as superuser in lubuntu-rc.xml?

  - by KamilKrzes

  I'm trying to bind to my asus eee hotkeys couple of jupiter functions to work as on Windows. The problem is that I have to run those as superuser. Under terminal scripts are working fine so I put in my ~/.config/openbox/lubuntu-rc.xml: <keybind key="XF86Launch6"> <action name="Execute"> <command>sudo /usr/lib/jupiter/scripts/cpu-control</command> </action> </keybind> Aaaaaand... It partially works. Some of files to change with this script was changed and other no. Some of the changed one are locked so sudo probably working. I have no idea how to debug this cause I don't know where to find log of this. I'm lil' bit ashamed but I don't know how exactly sudo works. I don't want to put my password every time to change cpu frequency or toggle touchpad so I don't want to use gksu or other sudo gui.

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• Windows Event Viewer - XML Custom Filter

  - by Frank

  <QueryList> <Query Id="0" Path="Application"> <Select Path="Application"> *[EventData[Data and (Data="Error")]] </Select> </Query> </QueryList> I believe the above XML custom filter would work if I wanted to check for Events where "Data" equals the word "Error". However, what I want to express is that I want the Events where Data CONTAINS the word "Error" . . . how do I express that? I've Goggled around, but I can find no references to Regular Expression like pattern matching in the Event Viewer. XPath has "contains", but if Event Viewer will support it, I cannot seem to figure out the syntax for invoking it.

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• Javascript MVC in principle

  - by Michael

  Suppose I want to implement MVC in JavaScript. I am not asking about MVC frameworks. I am asking how to build it in principle. Let's consider a search page of an e-commerce site, which works s follows: User chooses a product and its attributes and press a "search" button. Application sends the search request to the server, receives a list of products. Application displays the list in the web page. I think the Model holds a Query and list of Product objects and "publishes" such events as "query updated", "list of products updated", etc. The Model is not aware of DOM and server, or course. View holds the entire DOM tree and "subscribes" to the Model events to update the DOM. Besides, it "publishes" such events as "user chose a product", "user pressed the search button" etc. Controller does not hold any data. It "subscribes" to the View events, calls the server and updates the Model. Does it make sense?

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