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• Creating a development environment from a shared hosting production environment (LAMP)

  - by bobo

  The production server is shared, I don't have access to php.ini and httpd.conf and most PHP settings cannot be set or overrided using ini_set PHP function. So I would like to create a local development environment having configurations as close as it can be to those of the production environment (LAMP). I don't have shell access to the server but using exec PHP function to run some simple commands is possible. I am using Windows XP Pro and I am going to install on VMWare a linux distribution that is more or less the same as the production server. However, installing apache, mysql and php, and then configuring them like those on the production server is not a easy task. It would be great if there exists any tools that are useful in this situation, tools that can analyze/ inspect the production server and then produce something that can help replicating the environment would be useful. If not, what should I be aware of when I try to manually replicate the production environment?

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• Making Thunar the default file browser without hiding the desktop icons

  - by Manu

  I really dislike Ubuntu's default file browser, nautilus, and decided to opt for a lighter alternative (Thunar or Xfe). I've used the following script to change the default to Thunar, but now all my icons are gone from the desktop ! The files are still there, in /home/myid/Desktop, but they do not appear. Is there a way to show them, or is this a consequence of removing nautilus as the default file browser ? Can I modify the following script* in order to keep the icons ? *copied from https://help.ubuntu.com/...: ## Originally written by aysiu from the Ubuntu Forums ## This is GPL'ed code ## So improve it and re-release it ## Define portion to make Thunar the default if that appears to be the appropriate action makethunardefault() { ## I went with --no-install-recommends because ## I didn't want to bring in a whole lot of junk, ## and Jaunty installs recommended packages by default. echo -e "\nMaking sure Thunar is installed\n" sudo apt-get update && sudo apt-get install thunar --no-install-recommends ## Does it make sense to change to the directory? ## Or should all the individual commands just reference the full path? echo -e "\nChanging to application launcher directory\n" cd /usr/share/applications echo -e "\nMaking backup directory\n" ## Does it make sense to create an entire backup directory? ## Should each file just be backed up in place? sudo mkdir nonautilusplease echo -e "\nModifying folder handler launcher\n" sudo cp nautilus-folder-handler.desktop nonautilusplease/ ## Here I'm using two separate sed commands ## Is there a way to string them together to have one ## sed command make two replacements in a single file? sudo sed -i -n 's/nautilus --no-desktop/thunar/g' nautilus-folder-handler.desktop sudo sed -i -n 's/TryExec=nautilus/TryExec=thunar/g' nautilus-folder-handler.desktop echo -e "\nModifying browser launcher\n" sudo cp nautilus-browser.desktop nonautilusplease/ sudo sed -i -n 's/nautilus --no-desktop --browser/thunar/g' nautilus-browser.desktop sudo sed -i -n 's/TryExec=nautilus/TryExec=thunar/g' nautilus-browser.desktop echo -e "\nModifying computer icon launcher\n" sudo cp nautilus-computer.desktop nonautilusplease/ sudo sed -i -n 's/nautilus --no-desktop/thunar/g' nautilus-computer.desktop sudo sed -i -n 's/TryExec=nautilus/TryExec=thunar/g' nautilus-computer.desktop echo -e "\nModifying home icon launcher\n" sudo cp nautilus-home.desktop nonautilusplease/ sudo sed -i -n 's/nautilus --no-desktop/thunar/g' nautilus-home.desktop sudo sed -i -n 's/TryExec=nautilus/TryExec=thunar/g' nautilus-home.desktop echo -e "\nModifying general Nautilus launcher\n" sudo cp nautilus.desktop nonautilusplease/ sudo sed -i -n 's/Exec=nautilus/Exec=thunar/g' nautilus.desktop ## This last bit I'm not sure should be included ## See, the only thing that doesn't change to the ## new Thunar default is clicking the files on the desktop, ## because Nautilus is managing the desktop (so technically ## it's not launching a new process when you double-click ## an icon there). ## So this kills the desktop management of icons completely ## Making the desktop pretty useless... would it be better ## to keep Nautilus there instead of nothing? Or go so far ## as to have Xfce manage the desktop in Gnome? echo -e "\nChanging base Nautilus launcher\n" sudo dpkg-divert --divert /usr/bin/nautilus.old --rename /usr/bin/nautilus && sudo ln -s /usr/bin/thunar /usr/bin/nautilus echo -e "\nRemoving Nautilus as desktop manager\n" killall nautilus echo -e "\nThunar is now the default file manager. To return Nautilus to the default, run this script again.\n" } restorenautilusdefault() { echo -e "\nChanging to application launcher directory\n" cd /usr/share/applications echo -e "\nRestoring backup files\n" sudo cp nonautilusplease/nautilus-folder-handler.desktop . sudo cp nonautilusplease/nautilus-browser.desktop . sudo cp nonautilusplease/nautilus-computer.desktop . sudo cp nonautilusplease/nautilus-home.desktop . sudo cp nonautilusplease/nautilus.desktop . echo -e "\nRemoving backup folder\n" sudo rm -r nonautilusplease echo -e "\nRestoring Nautilus launcher\n" sudo rm /usr/bin/nautilus && sudo dpkg-divert --rename --remove /usr/bin/nautilus echo -e "\nMaking Nautilus manage the desktop again\n" nautilus --no-default-window & ## The only change that isn't undone is the installation of Thunar ## Should Thunar be removed? Or just kept in? ## Don't want to load the script with too many questions? } ## Make sure that we exit if any commands do not complete successfully. ## Thanks to nanotube for this little snippet of code from the early ## versions of UbuntuZilla set -o errexit trap 'echo "Previous command did not complete successfully. Exiting."' ERR ## This is the main code ## Is it necessary to put an elseif in here? Or is ## redundant, since the directory pretty much ## either exists or it doesn't? ## Is there a better way to keep track of whether ## the script has been run before? if [[ -e /usr/share/applications/nonautilusplease ]]; then restorenautilusdefault else makethunardefault fi;

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• Wireless AP Placement and Digramming

  - by Matt Simmons

  I'm trying to research the best placement of wireless APs in a given space, and I'm running into problems in gathering information. I found (what I thought was) a great source in this tech republic article: http://techrepublic.com.com/5206-6230-0.html?forumID=82&threadID=163120 While this diagram seems detailed and overall very informative, there were a lot of comments talking about how it was lacking in things like "wire racks, microwaves, concrete walls, motors..." etc. Maybe I'm rash, but I just sort of looked around my office (which is, albeit, somewhat smaller than the one diagrammed), and went "uhhh, there", and hooked up the AP. It seems to cover everywhere. I imagine if my office quadrupled in size, I'd logically divide it up and put four APs in, with a similar amount of thought devoted to each. So, suppose I had a much more complex office. What tools (both diagramming and surveying) do you use to plan your AP placement?

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• Wireless AP Placement and Digramming

  - by Matt Simmons

  I'm trying to research the best placement of wireless APs in a given space, and I'm running into problems in gathering information. I found (what I thought was) a great source in this tech republic article: http://techrepublic.com.com/5206-6230-0.html?forumID=82&threadID=163120 While this diagram seems detailed and overall very informative, there were a lot of comments talking about how it was lacking in things like "wire racks, microwaves, concrete walls, motors..." etc. Maybe I'm rash, but I just sort of looked around my office (which is, albeit, somewhat smaller than the one diagrammed), and went "uhhh, there", and hooked up the AP. It seems to cover everywhere. I imagine if my office quadrupled in size, I'd logically divide it up and put four APs in, with a similar amount of thought devoted to each. So, suppose I had a much more complex office. What tools (both diagramming and surveying) do you use to plan your AP placement?

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• Can a usb cable carry 12v?

  - by zm15

  Here's what i'm wanting to do. I have a Acer Iconia A500 tablet. I want to plug it in, in the car, but it has a barrel plug and I don't want to buy an inverter. The car adapters are expensive for what they do. I already have a 2.1 amp usb car charger meant for the iPad: http://www.amazon.com/Kensington-K33497US-PowerBolt-Charger-Compatible/dp/tech-data/B003PU01M4/ref=de_a_smtd And i want to use this usb cable from the 2.1 amp port to plug into the A500: http://www.amazon.com/gp/product/B00304DZ7I/ref=ox_sc_act_title_2?ie=UTF8&m=A1HPBDJJIXKXS7 Here are the specs on the original wall charger if that helps: http://www.phihong.com/assets/pdf/PSA18R.pdf The usb cable says it's 5v, but the original charger says it outputs 12v. But since it's just a cable... wasn't sure if that really made a whole lot of difference since it's only 1.5 amps from the wall charger. Is it possible to use that usb cable through the powerbolt car charger, to charge the A500?

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• Don't know why this small shell script wont work

  - by tominated

  Hi, I'm trying to make a small script to start up gunicorn for a python website I'm making. I have modified the script found at https://github.com/benoitc/gunicorn/blob/master/examples/gunicorn_rc slightly. Here's my version. #!/bin/sh GUNICORN=/usr/local/bin/gunicorn ROOT=/srv/mobile-site/app PID=/var/run/gunicorn.pid APP=mobilecms:app if [ -f $PID ]; then rm $PID fi cd $ROOT exec $GUNICORN -b 127.0.0.1:8080 -w 8 -k gevent --pidfile=$PID $APP When I try to run the script though, it shows this error /etc/init.d/gunicorn: 13: Syntax error: end of file unexpected (expecting "fi") Does anyone know what's wrong?

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• Windows Vista SP2 and DEP Woes for Older Program

  - by neezer

  I have a database client (4D 2004 Client... which, for the record, I vehemently hate but am forced to use because our company is still running this) that I'm trying to run in Windows Vista SP2. I've added the program to the DEP Exceptions list (per a 4D tech article detailing this problem... sorry, can't find the link now) and restarted the computer, but every time I try to log-in to our remote database, the program is shut down by Vista, citing a DEP event. And yes, I have restarted the computer several times, so the new DEP settings should be in effect. I'm a bit confused at this since I specifically added the 4DClient.exe to the DEP Exception list! I realize that very few (if any) of you might have this exact problem with this exact program, but can anyone shed light on the fact that DEP still seems to be enabled for a program that I've specifically added to the DEP exception list?!?

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• Using Virtual box to practice malware removal?

  - by jwsENLBH2XavZ

  Hello, I have Windows 7, and installed virtualbox on it with a copy of Windows XP pro sp3 with all updates. I want to use the virutal environment to practice removing malware....in other words, I want to infect it on purpose. What is the safest way to do this so that win 7 doesn't get infected as well? Any settings I should change in virutalbox? And before anyone asks, no, I don't write viruses/malware. I am a tech, and would like to practice removing malware. Thanks.

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• 301 redirect Rule For Load Balance F5 BigIp

  - by Kshah

  I have a load balancer F5 Big ip for my website. Currently, I am having 302 redirect in place; however, I wanted to apply 301 but dont know how. For example: My website (abc.com) when typed 302 redirects to abc.com/index and when typed www.abc.com 302 redirects www.abc.com/index. I wanted to have a rule which will help me in abc.com - 301 redirect - www.abc.com/index abc.com/index - 301 redirect - www.abc.com/index www.abc.com - 301 redirect - www.abc.com/index Below is the code that my tech person is trying: Redirect to WWW when HTTP_REQUEST { if { [HTTP::host] equals "abc.com" or [HTTP::host] equals "abc.co.in" or [HTTP::host] equals "www.abc.co.in" } { if {!( [HTTP::path] equals "/")} { HTTP::respond 301 Location "http://www.abc.com[HTTP::path]" } } } Redirect POST when HTTP_REQUEST { if { [HTTP::method] equals "POST" } { persist source_addr pool shop_shop_vr4_http } } Redirect-VR4 HOMEPAGE when HTTP_REQUEST { if { [HTTP::path] equals "/" or [HTTP::path] starts_with "/target/" or [HTTP::path] starts_with "/logs/" or [HTTP::path] starts_with "/config/" } { HTTP::redirect "http://[HTTP::host]/index.jsp.vr" } }

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• How to remap a NERDTree shortcut in VIM

  - by btelles

  Hi There, I use the Dvorak keyboard layout with VIM, and the 't' key is the 'up' motion when editing a regular file. The problem is that NERDTree remaps 't' to open files in a new tab. How can I undo that mapping and use 't' for the up motion in NERDTree? Here are the relevant lines from my vimrc file and from the NERDTree plugin. My .vimrc: no t k NERDTree plugin file: exec "nnoremap <silent> <buffer> ". g:NERDTreeMapOpenInTab ." :call <SID>openInNewTab(0)<cr>" call s:initVariable("g:NERDTreeMapOpenInTab", "t") let @h=@h."\" ". g:NERDTreeMapOpenInTab.": open in new tab\n"

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• Shutdown in background - PHP

  - by William

  I'm trying to shutdown an Ubuntu machine from PHP and am running into an issue if I want to delay the shutdown. The PHP line I'm using is: exec("sudo shutdown -h +5 &", $output); Where 5 is however many minutes in the future I want to shutdown. My problem is that this won't background and Apache hangs until either the machine is shutdown or someone else cancels the shutdown. shell_exec() has the same result. Is there another way to do this that will return immediately?

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• Windows Resource Monitoring Programs

  - by Sal

  I work at a small tech start up managing websites with our own in house server side code. (In production, we use Windows Server 2008 boxes, running Java 6. In our dev boxes, we use Windows 7 running Java 7.) Recently, we had an issue where some of our boxes in production failed, and we didn't have means of trouble shooting, since we keep little to no monitoring logs about a given box's CPU/memory/RAM usage, etc. So, I'm wondering if there is some commercial/freeware that's the standard for performance monitoring/logging. Essentially, I'm just looking for an analytics system that is similar to the Windows Task Manager or the Resource Monitor, that serializes all of its data periodically. Ideally, I'd like to find a program that's also extensible, in case I'd like to add addition monitors in the future.

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• Win 7 Privilege Level (Run as administrator) via GP or command line

  - by FinalizedFrustration

  Is there a way to set the Privilege Level for legacy software via group policy or on the command line? I have some legacy software, which we unfortunately cannot move away from. This software requires administrator access. I know I can go into the Properties dialog and check "Run this program as an administrator" on every single instance on every single one of my workstations, but that gets old after the 30th install. If I had my way, we would dump this software, find some software that did what we needed, was fully compliant with Win7 security best-practices and give everyone limited user accounts... However, I am not the boss, so everyone gets administrator accounts. Given that, I suppose I could just tell everyone to open the context menu and choose "Run as administrator", but we have some very, very, VERY low-tech users, and half of them might just choose "Delete" instead. Anyone know of a way to set this option on the command line? or better yet, through Group Policy?

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• Want to execute an arm compiled executable on adb shell of android

  - by user37977

  I stuck in a problem. I want a chmreader executable file to be used in android application. Now whenever I tried to execute it from adb shell, it gives error "permission denied" Now, whenever I use "su" it just executes the file, but doesn't do anything. And whenever I give the argument as the path of the file to be read, "# su /sdcard/extract_chmLib /sdcard/docs/HArdcore.chm" it shows "su: exec failed for /sdcard/docs/HArdcore.chm Error:Permission denied" where "/sdcard/extract_chmLib" is the executable file and "/sdcard/docs/HArdcore.chm" is the chm file to be read. Can you please help me???

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• Fighting Spam - What can I do as an: Email Administrator, Domain Owner, or User?

  - by Chris S

  This is a Canonical Question about Fighting Spam. Also related: How to stop people from using my domain to send spam? There are so many techniques and so much to know about fighting SPAM. What widely used techniques and technologies are available to Administrator, Domain Owners, and End Users to help keep the junk out of our inboxes? We're looking for an answer that covers different tech from various angles. The accepted answer should include a variety of technologies (eg SPF/SenderID, DomainKeys/DKIM, Graylisting, DNS RBLs, Reputation Services, Filtering Software [SpamAssassin, etc]); best practices (eg mail on Port 25 should never be allowed to relay, Port 587 should be used; etc), terminology (eg, Open Relay, Backscatter, MSA/MTA/MUA, Spam/Ham), and possibly other techniques.

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• Can I upgrade my Soltek sl-67a-c motherboard from Pentium II to Pentium III?

  - by jedatu

  I have a Pentium III processor and I thought I would replace the Pentium II on my Soltek SL-67A-C. The motherboard has Slot 1 so the PIII fits in fine, however, when I turn on the computer the bios does not come up. Here's the link to some specs on the board: http://stason.org/TULARC/pc/motherboards/F/FLASH-TECH-INC-Pentium-II-Deschutes-SL-67A-C.html I know that I updated the bios at one time. I see references to a "67af3.zip" bios upgrade file out there but can't find any source to download it. I am thinking I may have to adjust the jumpers on the motherboard to match the speed of the processor, but I am not sure how to go about that. Any suggestions?

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• SQL CLR not properly enabling

  - by dnolan

  We have a SQL server running SQL 2005 Workgroup 64 bit (9.0.4273), on Windows 2003 server 64 bit. We have run sp_configure and reconfigured the server which indicates that the clr is now enabled. exec sp_configure 'clr enabled', '1' go reconfigure go However, when trying to call CREATE ASSEMBLY the server completely dies on us and we have to do a full reboot of the machine. A little more diagnostic information, even though clr enabled is set to 1 and we have rebooted the full server, running the following statement select * from sys.dm_clr_properties returns directory version state locked CLR version with mscoree which is what it says when the CLR is not enabled on another machine. On a correctly enabled machine (after reboot) this function reads directory C:\Windows\Microsoft.NET\Framework64\v2.0.50727\ version v2.0.50727 state CLR is initialized

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• VB6 network errors Windows 2008 run on ESX VMWare

  - by hivedome

  We have an application built in vb6, the executables for the application are run locally on a Windows 2008 Terminal Server the dll's for the application are located on a network share. Intermittently parts of the application crash with inpage errors.. we realise the .dll it references then copy that dll locally to the windows 2008 server and register the application can then run again alternatly we reboot the server and all ok. ideally we do not want the exec's or dll's on local server, they should be located on network share for other Terminal Servers to access. error values we receive are C0000203 C00000C4 I have disabled windows 2008 UAC and DEP.. Has anyone experienced this type of behaviour in 2008?

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• IIS seems to send email twice

  - by David Brunelle

  Hi, we have a request page in our website that send email to confirm the request. It seem that whenever this page is accessed, some (not all of them) are sent more than once at different time, sometime hours apart. The code (which is an old ASP page) looks fine as it sends only once to the recipient. So I doubt it's a programming related problem. When looking at the Exchange server, the tech told me that he seems to be receiving the request twice at different time, so the problem comes from what's between the code and Exchange. My hypothesis is that IIS seem to 'remember' the page and rerun it for some reason. Any hint on where to start? We have IIS 6 (in french if it makes any difference) with Exchange 2007. IIS is running on a Windows Server 2003 machine (virtual machine I believe) in a DMZ. I don't know about Exchange. Thank you.

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• Program to print gCal or iCal calendars in a monthly one calendar per column format

  - by David Smith

  I'm moving my family off of using the low tech "Boynton Mom's Family Calendar" to schedule things but I'd like to be able to create a monthly printout of the calendar in the same "Boynton" format (I'm sure it has an official name). The format is kind-of like a spreadsheet where each row of the calendar is a different day of the month and there is a separate column for each person in the family. I have all our calendars on Google but they are also accessible from iCal on the Mac. Is there a Mac program that can get the data from gCal or iCal print out the calendars in the Boynton format?

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• Open Source webapp that shows PC / Projector status in 30+ Lecture rooms

  - by Seanchán

  I am looking for a simple web application that only has a simple graphical representation of the current status of 30+ lecture rooms. I.e. Green = good, Red=bad i.e. PC or Projector not working. With a little message and a ETA as well. I am not looking for monitoring software, merely a way for a tech to flag a room as "technically challenged" until 1PM or until "Friday 10AM". With a message for those lecturers who are interested: "Waiting on replacement bulb" or "Power supply gone" I know this is a simple thing to code up yourself, but I am looking for something that has been around for a few years that has some cool extra little functionality that you wouldn't think of yourself. I just can't find anything like that out there. And just to be clear: not monitoring software, more like lecturer feedback web app.

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• Print full path of files and sizes with find in Linux

  - by cat pants

  Here are the specs: Find all files in / modified after the modification time of /tmp/test, exclude /proc and /sys from the search, and print the full path of the file along with human readable size. Here is what I have so far: find / \( -path /proc -o -path /sys \) -prune -o -newer /tmp/test -exec ls -lh {} \; | less The issue is that the full path doesn't get printed. Unfortunately, ls doesn't support printing the full path! And all solutions I have found that show how to print the full path suggest using find. :| Any ideas? Thanks!

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• grub-efi refuses to chainload Windows 8.1

  - by Alexei Averchenko

  I have installed LMDE (with grub in MBR) after I installed Windows 8.1. I then installed the grub-efi package and added the custom Windows options: #!/bin/sh exec tail -n +3 $0 menuentry "Windows" { search --fs-uuid --no-floppy --set=root A89A-7F4C chainloader (${root})/EFI/Boot/bkpbootx64.efi } menuentry "Windows (backup bootloader)" { search --fs-uuid --no-floppy --set=root A89A-7F4C chainloader (${root})/EFI/Microsoft/Boot/bkpbootmgfw.efi } These are basically a leftover from my older Ubuntu setup. However, grub is refusing to load them, complaining about the invalid signature. What do I do now?

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• Puppet won't execute command

  - by tom

  Puppet 0.25.4 on ubuntu point blank refuses to execute the following command: exec {"initiate replica set": command => "echo 'rs.initiate()' | mongo", path => ["/usr/bin","/usr/sbin","/bin"], user => "root", require => Class["mongodb"] } I can execute the command as root myself, so I'm guessing perhaps it's an issue with the shell. Unfortunately upgrading puppet isn't an option (and causes other issues anyway). I've tried specifying explicit paths to the binaries instead of relying on the path parameter, and also changing the command to: "bash -c \"echo 'rs.initiate()' | mongo\"" Still doesn't work. Any ideas? I get an error message saying something like "failed to change from notrun to 0"

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• How to run sed on over 10 million files in a directory?

  - by Sandro

  I have a directory that has 10144911 files in it. So far I've tried the following: for f in ls; do sed -i -e 's/blah/blee/g' $f; done Crashed my shell, the ls is in a tilda but i can't figure out how to make one. ls | xargs -0 sed -i -e 's/blah/blee/g' Too many args for sed find . -name "*.txt" -exec sed -i -e 's/blah/blee/g' {} \; Couldn't fork any more no more memory Any other ideas on how to create this kind command? The files don't need to communicate with each other. ls | wc -l seems to work (very slow) so it must be possible.

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