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• pretty-printing IP packets

  - by pts

  I'm receiving IP packets using the SLIP protocol, and I'd like to pretty-print them similarly to how tcpdump does it. My program is able to decode the SLIP protocol and create a single string containing an IP packet if necessary. I couldn't find any relevant tcpdump command-line flags except for -r. The file format is documented at http://www.tcpdump.org/pcap/pcap.html , but it looks a bit too complicated. Is there a Linux tool for pretty-printing raw IP packets?

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• PDF form (not) saving

  - by gregseth

  I've created a form in a PDF with Adobe Acrobat Pro. When empy, I want to use it as a template which the user opens, fills in, and saves as a copy to preserve the blank state of the template. Here's the trick : I found both ways to make the document read only - the user can't save the form value, only print them make the document writeable, but in this case the document acting as a template can be modified too. Any ideas? Thanks.

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• With a node.js powered server on EC2, how can I decrease the TCP connection time?

  - by talentedmrjones

  While profiling my application I've noticed that in the Firebug Net panel, the "Connecting" time—that is the time waiting for a TCP connection—is consistently around 70–100ms. See image below: Of course in the grand scheme of things, 100ms is not long, but I have seen other services that respond with 0ms Connect time. So if other servers can, I should be able to as well. Any thoughts on how I might even beging to troubleshoot this?

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• printing matching lines when greping all files in a directory

  - by John Kube

  I'm searching within Java files for some occurrence of a phrase: find . -name '*.java' | xargs grep -l 'string' How do I change this command to print to the shell all of the lines which contain a match? Thanks!

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• How do I password protect my printer in Windows 7?

  - by Dillie-O

  I have two young kids who have gotten rather computer saavy. They love playing their games, especially when it allows them to print out awards or coloring pages. Unfortunately this means that in the time it takes to refresh my cup of coffee, they can easily drop a 10 page document into the printer queue, and my printer ink runs out rather fast. How would I setup some kind of password protection on the printing, so that I would have to do some kind of final approval before they get their printouts?

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• How to setup an ascii text-only printer in OS X

  - by mc23646266

  Is it possible to setup a printer equivalent to the Windows 'generic ascii text-only printer' in Mac OS X. I cannot find anything about it within the current cups drivers docs. But I think there has been one in the early days, isn't it? The goal is to print to a file with generic ascii only.

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• How to deal with LVM encryption on remote restart?

  - by hydroparadise

  Is there a way to handle the LVM mounting password remotely? This is usually presented during boot on the main console (where the machine physically resides at). I am able to ssh in during the prompt, but other services (like http, ftp, etc) will not run until the password is succesfully entered in at boot. However, ssh does not show the same password prompt that master console shows. How do I enter the LVM password remotely on boot?

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• How do you prepare for death?

  - by klew

  I write programs, run a few websites (I have admin accounts and passwords), write some web services, I have some encrypted data on my computer - and I sometimes ask myself: what will happen to all those projects and data if I accidentally die? Did you prepare yourself for death? Did you make a will (or some kind of e-will)? How to protect innocent people for whom I did some work? Did you write a letter with passwords and put it in envelope in your desk?

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• Any free Exchange hosts out there?

  - by Pure.Krome

  Hi folks, Are there any free Microsoft Exchange hosted solutions? I understand that Microsoft Exchange is a paid/licensed product, but I was curious if there might be a host that has a free hosting model (e.g. for <= 3 mailboxes per domain)? Larger mail boxes per domain == cost. ?? Finally, please refrain from suggesting other mail services (eg. sendmail, etc).

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• php mysql cpanel high cpu usage

  - by Megahostzone Santu

  server taking high cpu usage load average: 108.87, 105.92, 85.82 netstat -ntu | awk '{print $5}' | cut -d: -f1 | sort | uniq -c | sort -n Reselt showing too much connect from server IP cpanel Process Manager showing 19.4 | 0.5 | /usr/sbin/mysqld --basedir=/ --datadir=/var/lib/mysql --user=mysql --log-error=/var/lib/mysql/zebra546.serverstall.com.err --pid-file=/var/lib/mysql/zebra546.serverstall.com.pid 3.0 | 0.2 | /usr/bin/php /home/nowwatch/public_html/index.php

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• Service to automatically restart an instance that terminates unexpectedly?

  - by Phillip Oldham

  We have a DB server running on EC2 which we'd like to ensure stays up. Are there any services, or packages/software I can install somewhere, to monitor and restart servers if they terminate unexpectedly?

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• Untar multiple files in different directories

  - by wildeep

  Hi, am trying to perform an update on multiple site that use an open source CMS but untaring a patch file in each sites httpdocs directory. My plan was to perform a find for the patch file then untar using the following command: find . -name "patchfile.tar.gz" -exec tar -xzvf {} \; -print but it doesnt seem to work successfully anyone have any ideas as to why not? Many thanks.

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• creation of accounts for each users in mysql / phpmyadmin

  - by user1666411

  I am planning to create mysql accounts for each of my web devs and build their own databases. I need these devs to have accounts to access their own phpmyadmin where they can manipulate their own sets of databases. I am kind of new to web services deployment, so should this setup be configured in phpmyadmin or in mysql? Will this kind of deployment need web management like cpanel? I hope you can enlighten me with this.

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• Useful keyboard shortcuts on a Mac

  - by warren

  Most Mac OS users know about ⌘-Q for quit. And ⌘-C, ⌘-X, ⌘-V for copy cut and paste. Likewsie ⌘-P for print and ⌘-S for save. Is there a keyboard shortcut for maximizing a window? Or minimizing it? Are there other daily-use keyboard shortcuts you use on your Mac?

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• How to Export/Transfer DHCP data ?

  - by sreevatsa

  We have a very old server HP ML110 its giving hardware ( Power )trouble and we are hosting DHCP services on this on windows 2000 . Now i would like to transfer all the DHCP data ( it has reserved IP ) from this old server to a new server which is win2003 . How do i do ?

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• How to convert a 1 page PDF to a 2 page per sheet PDF?

  - by mokasin

  I would like to print a PDF so that on the front of the first page are the first two pages, on the back the 3rd and 4th and so on. ----------------- ----------------- | | | | | | | | | | | | | 1 | 2 | | 3 | 4 | . . . | | | | | | |_______|_______| |_______|_______| page 1 - front page 1 - front Because my printer using Linux fails to support manual duplex printing I'd thought, maybe I could edit the pdf in a according way. But how?

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• What is a good XML Editor for Mac OS X?

  - by g.

  I am looking for a good lightweight XML viewer/editor for Mac OS X. It would only be for occasional use, so free options are preferable though paid options aren't out of the question. It would be used primarily for reviewing and making small changes to XML files and would require the following basic features. easily create a new file from clipboard (copy/paste) re-format (pretty print) xml syntax highlighting validation find

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• Can't uninstall windows service

  - by Chad

  I have somehow managed to half uninstall a windows service I was developing. In no particular order It won't delete if I use sc delete servicename It gives an exception using installutil /u pathtoservice.exe "specified service does not exist as an installed service" And using the installer/uninstaller obviously doesn't work either It's no longer in the Services listing It's not shown if I use sc query And I have rebooted I don't know what else to do, but something still exists, because attempting to install fails because it already exists. Please help.

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• Best cPanel Reseller Company

  - by noorahmad

  I have a hosting company, I am using resellerpanel.com to buy domain and hosting for my clients, but I want to switch to cPanel, resellerpanel offers from 17.50$/M and hostgator.com offers 19.96$/M, I don't care about money all I care about services, live support and up time. Note: some of my clients request email only not hosting can I limit access to email mananger or hosting only with cPanel? Thanks.

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• cisco parse show command

  - by tintifaxx

  I want to write a perl script which logs into cisco switches via telnet and parses the output of show mac-address-table. The problem is that different switches show me a different field layout. The WS-C3548-XL shows the fields in the order Destination Address Address Type VLAN Destination Port while the C2960 shows it like Vlan Mac Address Type Ports is there a way to tell show to print the fields in a predefined order?

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• How to reduce Windows XP computer boot time?

  - by Suma

  Are there any specific known steps which I could take to make my computer with Windows XP Professional booting faster? I am interested in speeding up following stages in particular: loading the OS (Windows logo, up to the moment login screen appears) log in user (from the moment you type your user name and password up to the moment all memory resident programs and services are loaded and the computer is really ready to use)

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• Install printer across profiles on Windows XP?

  - by unknown (google)

  I am using gprint as a shell call to print pdf files. I have to install the network printer first, but the program runs under a different account. Is there anyway to install a network printer under Windows XP so that it is available to all accounts on the machine?

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• Remove CYGWIN from Windows XP

  - by Bakudan

  Can I remove CYGWIN completely from Win - files, services and everithing ? I've a service for sshd, which does not work. When I try to start it - error 1067. And I can`t remove it, too. When I tried it says that there is no such service !?!? Maybe there is some problems with the "pre-installing", because once deleted the whole cygwin folder

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• Wampserver not working in Windows 8

  - by user1873067

  I recently upgraded my Windows 7 to Windows 8 successfully. Other application are working perfectly except wampserver. When I double click on the desk top icon, it shows red on the tray bar and then the color changes but when I click Start All Services, nothing happens. Localhost does not open in webbrowser. Skype is not running on my computer, i don't know if there is other application using the same port in Win8. Please help!

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• How do I traverse the filesystem looking for a regex match?

  - by editor

  I know this is teeball for veteran sysadmins, but I'm looking to search a directory tree for file contents that match a regex (here, the word "Keyword"). I've gotten that far, but now I'm having trouble ignoring files in a hidden (.svn) file tree. Here's what I'm working with: find . -exec grep "Keyword" '{}' \; -print Reading sites via search I know that I need to negate the name flag, but I can't it working in the right order.

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