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• Giving a scanner-printer-combo a zoom function when copying ?

  - by ldigas

  You know how everytime you go to a photocopying shop, photocopiers always have a neat zoom function (it can take whatever you give it, and zoom it in/out, so your copy comes out smaller or larger). I got one of those neat 3-in-one printer machines. It has a copy button on it, but it also has some software that comes with it (Epson SX115 to be exact is the model). Apart from going into some photo manipulation application, is there some way (software) to give it that feature. So, in short, I need something that can scan a page, scale it to let's say, a quarter of its size, and then print it out ? Anyone knows of anything like that ?

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• Easiest Driver Back Up solution ?

  - by mgpyone

  I've to faced kinda of missing drivers after formatted Windows .. Especially, Graphic Drivers, Touch-pad driver, finger print driver and so forth are sensitive . They do not work without installing drivers. I can even download at its official website . But some drivers are not found in the website. .. Thus, I'm looking for a solution ( may be a software ) that can backup my drivers effectively ( if it can do with schedule, it'll be great) and can restore easily locally . Espcially, for Win XP and Vista. Any suggestions will be appreciated really.

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• Cannot ssh anymore into FreeBSD 7.2 home server

  - by Gabi

  Somehow sshd stopped running and no amount of start, restart or onestart will make it go again. I normally ssh into it from a dual-boot laptop computer that shows up on the network as gabi-buntu when running Ubuntu Karmic, and as gabi-pc when running Windows XP Pro. Neither my Putty connection nor the Linux terminal can establish a ssh link anymore. Upon rebooting the server, I am greeted with "/etc/rc: WARNING: run_rc_command: cannot run /usr/sbin/sshd". In addition, a message will appear saying things like rpc.statd: failed to contact host gabi-buntu RPC: port mapper failure RPC: timed out Everything else works fine. The FreeBSD 7.2 box runs a print server, a Samba server, and an Apache server for the home wiki, via https. It also serves up NFS shares for Linux clients. Any suggestions? Thank you, Gabi Huiber

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• fdisk (linux) partitioning raid0

  - by silverrocker

  'm trying to create partitions for a slackware instalation on my computer (beside Windows 7) just to have a nice distro running mostly for school but when I run fdisk and print the partitiontable I get the following message: Partition x does not end on cylinder boundary. (in my case x = 1, just using x to help googlers). I must say I'm using a raid card (AMCC 3ware 9500S SATA RAID Controller). Maybe this is the problem. How can I fix this without loosing any data? (I've posted this qeustion on stack overflow aswell but then people sugjested it should be moved to here, but I don't know how to move my question so I just posted it here manually (I hope that's ok))

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• Scripted printer configuration changes

  - by David Steven

  I've got about a dozen Windows XP machines that I need to make a couple specific printer configuration changes to. The printer is "virtual" printer for an electronic delivery service. I'd like to not have to visit each machine individually. I already have the means to execute commands remotely on the machines, I just can't seem to find away to adjust these settings via command line or script. Specifically I need to be able to make the following changes: 1) As an admin user: - Device Settings - Font Substitution Table/Courier New - Change to "Courier" 2) As a specific* user: - Printer Preferences - Paper/Quality - Advanced - Change Graphic/Print Quality to "600 x 600" - Change Document Options/Printer Features/Graphics Mode to "HP-GL/2" *This change is a per user configuration, unless there's some way to make it once. In this situation I only really need it for a specific (different) user on each machine.

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• OpenSCAD keeps crashing when I raise my precision past $fn=29?

  - by Jeremy Quick

  Out of the blue, OpenSCAD decided to stop working for me on designs that previously rendered just fine. After playing around I found out that any time I use a precision greater than $fn=29 the program crashes with the message "openscad.exe has stopped working". I can use any precision 29 and below, but the second I adjust it to even 30 the program crashes. This is a major problem as before I was using a precision of 100, and without it the design's moving parts do not work on print. I have uninstalled and reinstalled the program several times and haven't been able to fix the problem. I have watched the CPU during the calculations and it never reaches more than 35%. Does anyone have any suggestions as to how to fix this problem? I also have not changed computers or even the code. Thanks! I am using Windows 32 bit, Version 2013.06. The default version from the website.

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• "sh: /usr/sbin/xenstored: not found" - But it's there?

  - by Matt H

  What would cause running the file /usr/sbin/xenstored to print sh: /usr/sbin/xenstored: not found However, the file /usr/sbin/xenstored is there and is not a symbolic link. Actually I should be running this as root. That prints a similarly odd message. sudo: unable to execute /usr/sbin/xenstored: No such file or directory By the way, xenstored is not a script, it's an ELF executable. My guess is that it's because I haven't gotten all the dependent libraries installed. However, I would expect it to say something like this: ./xenstored: error while loading shared libraries: libxenctrl.so.4.0: cannot open shared object file: No such file or directory Which is true of running xenstored on a system that doesn't have all the required libraries. Why do I get "not found" vs the much more useful "cannot open shared object file"?

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• Non-embedded font with different name across operating systems when printing HTML to PDF

  - by sennett

  I create a document using HTML markup. I want to use Palatino, which is called Palatino on Windows and Palatino Linotype on Mac, so I specify my CSS accordingly: font-family: Palatino Linotype, Palatino, serif;. I then print to a PDF using PrimoPDF under Windows. It all looks good when viewed in Windows. But I want this PDF to look the same on a Mac, and the resulting file size (94KB) would suggest that the font (size 460KB) is not getting embedded by Primo, perhaps because it is a native font. How will this look? Will the PDF file format resolve this, or will the format of my PDF be wang when viewed under OSX? Please note that I do not want to embed the font. I used a web-safe font to avoid this need, and it just so happens that the one I picked does not have the same name in OSX as in Windows.

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• Why does cpio say "WARNING! These file names were not selected" when copying a large number of files

  - by mmm bacon

  For over 10 years, I've been using this strategy to copy a large number of files between UNIX filesystems: cd source_directory find . -depth -print | cpio -pdm /path/to/destination_directory It works like a champ. However, I'm now getting this error from cpio: cpio: WARNING! These file names were not selected: (long list of files here...) The source directory is on OSX 10.5, and the destination directory is a NFS filesystem from an OpenSolaris server. Copying over NFS has never been a problem in the past. There's nothing strange about the filenames, meaning there aren't special characters or anything like that. Any ideas?

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• Retrieving a specific value from "df -h" using shell

  - by Diego Dias

  When I use df -h, I get the following output: Filesystem Size Used Avail Use% Mounted on /dev/mapper/VolGroup00-LogVol00 59G 2.2G 54G 4% / /dev/sda1 122M 38M 78M 33% /boot tmpfs 1.1G 0 1.1G 0% /dev/shm 10.10.0.105:/somepath 11T 8.4T 2.1T 81% /storage4 10.11.0.101:/somepath 15T 8.9T 5.9T 61% /storage1 /dev/mapper/patha 5.0T 255G 4.8T 5% /storage5_vol0 /dev/mapper/pathb 5.0T 195G 4.9T 4% /storage5_vol1 /dev/mapper/pathc 5.0T 608G 4.5T 12% /storage5_vol2 I want to write a script that gets the value of Avail column on a specific storage. I used to use df -k /storage_name | tail -1 | awk '{print $3}' But the FileSystem column can have a value or not .. which would change the variable of my script from $3 to $4. How can I get the Avail on a single command line even if there are no values on the previous columns?

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• Is it possible to manually install RDP client 6.1 for platforms that aren't directly supported?

  - by Matt

  I have some clients that need RDP client 6.1 in order to utilize the new easy print driver. However, the installer doesn't allow it to install on several platforms such as Windows Home Server or Windows Server 2003 because they are not XP. The version check prevents it going further. I'm reasonably confident that it should actually run however and want to try it. Has anyone done this before? what I should really ask is... what files should I manually copy (backing up originals first)... just the exe or are there lots of dependant dll's that need upgrading too?

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• exported variable not persisted after script execution

  - by Daniele

  I'm facing a wierd issue. I've a vm with solaris 11, and trying to write some bash scripts. if, on the shell, I type : export TEST=aaa and subsequently run: set I correctly see a new environment variable named TEST whose value is aaa. If, however I do basically the same thing in a script. when the script terminates, I do not see the variable set. To make a concrete example, if in a file test.sh I have: #!/usr/bin/bash echo 1: $TEST #variable not defined yet, expect to print only 1: echo 2: $USER TEST=sss echo 3: $TEST export TEST echo 4: $TEST it prints: 1: 2: daniele 3: sss 4: sss and after its execution, TEST is not set in the shell. Am I missing something? I tried both to do export TEST=sss and the separate variable set/export with no difference.

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• Is there a way to insert a formatted calculation into Excel 2010 without using an image?

  - by Ryan Taylor

  I am maintaining a list of database column names, notes, and their calculations in an Excel 2010 spreadsheet. The calculations are included so as to document how to derive the values for the various columns and not for calculations within the spreadsheet. I have been entering the calculations into the cells simply as unformatted text like so: 100 - ((FiscalYearRegionConsumption - BaselineRegionConsumption) / (GoalRegionConsumption - BaselineRegionConsumption)) * 100 However, for long and/or complex calculations this could become rather unreadable. To improve readability and comprehension I would like to "pretty" print the calculation in an Excel cell. This would result in formatting that would like like this: The only solution I have come up with is to: Write the calculation in another application such as Word Take a screenshot of said calculation Past the screenshot into Excel The primary concern with this approach is maintenance. Should the calculation change or need correction I have to update two different sources of information. Is there a better way included a formatted calculation into an Excel cell?

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• Permanently override background colour of Emacs theme

  - by John J. Camilleri

  I want to use the Emacs theme billw, except with a different background colour. I have the following in my .emacs file: (require 'color-theme) (color-theme-initialize) (color-theme-billw) (set-background-color "gray12") However this doesn't seem to change the background colour on startup; I need to manually run set-background-color "gray12" in the minibuffer at the beginning of each session. Any help with this? I tried creating my own custom theme based on the output of color-theme-print but this caused more problems than it's worth...

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• Linux (non-transparent) per-process hugepage accounting

  - by Dan Pritts

  I've recently converted some java apps to run with linux manually-configured hugepages. I've got about 10 tomcats running on a system and I am interested in knowing how much memory each one is using. I can get summary information out of /proc/meminfo as described in Linux Huge Pages Usage Accounting. But I can't find any tools that tell me about the actual per-process hugepage usage. I poked around in /proc/pid/numa_stat and found some interesting information that led me to this grossity: function pshugepage () { HUGEPAGECOUNT=0 for num in `grep 'anon_hugepage.*dirty=' /proc/$@/numa_maps | awk '{print $6}' | sed 's/dirty=//'` ; do HUGEPAGECOUNT=$((HUGEPAGECOUNT+num)) done echo process $@ using $HUGEPAGECOUNT huge pages } The numbers it gives me are plausible, but i'm far from confident this method is correct. Environment is a quad-CPU dell, 64GB ram, RHEL6.3, oracle jdk 1.7.x (current as of 20130728)

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• Ways to remotely reboot a Linux system

  - by dualed

  I had a remote server running Debian Sarge that experienced some HDD failure and I meant to reboot it hoping that fsck could repair the errors automatically. I eventually drove out there and replaced the faulty disks... But I was wondering: What other ways are there to force a Linux system to reboot that do not require hard drive access? What I had tried: shutdown -r now Did not work, as shutdown is a program that would have to be loaded from disk, the error shown in the terminal was bash: /sbin/shutdown: Input/output error init 6 same as above telinit q same as above kill -2 1 This did not print an error, but did not work either. (However, it is possible that the Sarge init did not implement SIGINT, the sarge manpages did not mention it. So it could work in a more recent version of Debian) This guide on PCFreak.net. However, this failed at sysctl, which was not in memory either.

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• Warning in Apache log: Cannot get media type from 'x-mapp-php5'

  - by IronGoofy

  I have no idea what is causing this issue, but it seems to be related to the displayed file (just a simple index.php to print phpinfo) being in an aliased directory. Any suggestions what I can do to avoid the warning? Here's an excerpt from my httpd.conf: <Directory "<dir with broken php>"> Options Indexes FollowSymLinks ExecCGI Includes AllowOverride All Order allow,deny Allow from all </Directory> Alias /smartersoftware/ "<broken dir>" <FilesMatch \.php$> SetHandler application/x-httpd-php </FilesMatch> The last three lines were required to make php work at all (which I found a bit strange, and it may or may not be related to my problem). Adding a AddType application/x-mapp-php5 .php didn't change anything.

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• What useful things can one add to one's .bashrc?

  - by gyaresu

  Is there anything that you can't live without and will make my life SO much easier? Here are some that I use ('diskspace' & 'folders' are particularly handy). # some more ls aliases alias ll='ls -alh' alias la='ls -A' alias l='ls -CFlh' alias woo='fortune' alias lsd="ls -alF | grep /$" # This is GOLD for finding out what is taking so much space on your drives! alias diskspace="du -S | sort -n -r |more" # Command line mplayer movie watching for the win. alias mp="mplayer -fs" # Show me the size (sorted) of only the folders in this directory alias folders="find . -maxdepth 1 -type d -print | xargs du -sk | sort -rn" # This will keep you sane when you're about to smash the keyboard again. alias frak="fortune" # This is where you put your hand rolled scripts (remember to chmod them) PATH="$HOME/bin:$PATH"

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• View Script Over SSH?

  - by user74781

  A friend, using a remote machine, ran a script that SSHed to my machine, and ran the following python script that resides on my machine: while (1): ....print "hello world" (this script simply prints 'hello world' continuously). I am now logged in to my machine. How can I see the output of the script my friend was running? if it helps, I can 'spot' the script my friend is using: me@home:~$ ps aux | grep justprint.py **friend 7494 12.8 0.3 7260 3300 ? Ss 17:24 0:06 python TEST_AREA/justprint.py** friend 7640 0.0 0.0 3320 800 pts/3 S+ 17:25 0:00 grep --color=auto just what steps should I take in order to view the "hello world" messages on my screen?

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• Windows 7 just restarts, no BSOD, shows "Event ID 14 volsnap"

  - by Mdc007

  My Windows 7 just restarts without giving me a BSOD. When it reboots, it will hang sometimes and you have to let it rest. Sometimes it will print a message saying that Hal.dll is missing or corrupt. When it does restart I can't run a backup or a clone drive – it comes up with constant errors. I tried to run chkdsk – it says everything's clean. What is really puzzling is SyncToy on a different drive hangs half way through and won't run either. Machine: OCZ SSD Agility 2 for C drive SATA HDD for programs, documents on D drive MSI AMD 880 chipset Event viewer says something about critical power failure I/O operations and "Event ID 14 volsnap" – but that is just telling me the computer powered off which I already know.

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• How do I share a home printer under Windows if the computer is part of a domain?

  - by Sorin Sbarnea

  I do have my work laptop at home and I want to share an USB printer in order to be able to print to it from my MacBook. Currently Windows 7 is refusing to share the printer because the computer is part of a domain and it tells me that I need to join a homegroup in order to be able to do that. Also it tells me that he cannot create this homegroup and this group has to be create by another Windows 7 computer from my network. As you can imagine I do have only one Windows computer on my home network. How can I solve this problem?

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• Accessing WindowsXP shared printer from macbook?

  - by mobibob

  My new printer is setup on WindowsXP, it works and it is configured as a shared printer. I then setup a printer from Mac OSX 10.6.3 using the approved driver from the setup CD. I browsed for the printer via the network. When I send a test page, it queues, but never prints. Its as if the driver thinks the printer is local to the mac and just never finishes printing. THe configuration shows as: smb://dragoneye/CanonMP2 Where dragoneye is the name of the Windows XP server and the CanonMP2 is the little multi-purpose printer. My other Windows' CPU can setup and print. Is this a known problem or am I missing a setting??

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• Auto-crop black margins dynamically of scanned images?

  - by naxa

  I have a notebook photocopied and the photocopy scanned, about 200 pages. For various reasons I need to print this material. There are large amounts of black areas at the sides of the page (after the page itself ends), "black margins". The image looks like this: I would like to remove the black places, but keeping all text. * The even and odd pages have the black part at different places. * Notably, there is a white edge outside the black one, too! * Most notably, the black areas has no fixed width (I've tried to overlay all the images for even and odd pages separately). It's width varies. The batch algorythm should be able to detect it. Is there a way to remove these black-white margins automatically, keeping the text?

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• Retrieve malicious IP addresses from Apache logs and block them with iptables

  - by Gabriel Talavera

  Im trying to keep away some attackers that try to exploit XSS vulnerabilities from my website, I have found that most of the malicious attempts start with a classic "alert(document.cookie);\" test. The site is not vulnerable to XSS but I want to block the offending IP addresses before they found a real vulnerability, also, to keep the logs clean. My first thought is to have a script constantly checking in the Apache logs all IP addresses that start with that probe and send those addresses to an iptables drop rule. With something like this: cat /var/log/httpd/-access_log | grep "alert(document.cookie);" | awk '{print $1}' | uniq Why would be an effective way to send the output of that command to iptables? Thanks in advance for any input!

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• Can PuTTY be configured to display the following UTF-8 characters?

  - by Stuart Powers

  I'd like to be able to render the characters as seen in this tweet: I saved the tweet's JSON data and wrote a one-liner python script for testing. python -c 'import json,urllib; print json.load(urllib.urlopen("http://c.sente.cc/BUCq/tweet.json"))["text"]' This next image shows the output of this command on two different putty sessions, one with Bitstream Vera Sans Mono font and the other is using Courier New: Next is an example of correct output (I wasn't using PuTTY): The original JSON is at this link using Twitter's API. How can I get PuTTY to display those characters?

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