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• How to turn iptables stateless?

  - by tex

  Hi, I'm running a Linux server that - from time to time - faces heavy load and the conntrack table overflows. Since it's iptables firewall ruleset is very simple I'd like to turn it to stateless mode. I know that iptables can operate in stateful connection tracking mode and in a stateless mode. My firewall rules are all in place I'm pretty sure that they are stateless but my question is how can I verify that the firewall is really operating in stateless mode?

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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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• Are there computer monitors that don't use backlight technology?

  - by John Leidegren

  I'm looking for a computer monitor or computer research being done into having computers not use a backlight, and instead just work off what light is reflected of things in the environment. This would have great outdoor application, since all computer displays are pretty much useless in the sun for instance.

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• Impossible to Remove FTDI driver / FTDI Enumeration on Windows 7

  - by Joe

  I have already read the : Is it possible to reset FTDI virtual com ports enumeration, we easily get hundreds of COM ports in production environment topics which was pretty interesting ! But I got a problem, apparently I can't delete the ftdi driver, so I can't use the previous conclusion of the topic... I'm really stuck and bored of this problem, my com port number is 132 ! Does someone have another solution ?

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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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• 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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• Using WinZip, is there anyway to extract and overwrite just the newer files on a remote FTP server

  - by oo

  I have a zip of a pretty large website. I FTP the zip over to the server and then unzip it and extract to the website folder but this is very slow. Is there anyway to just extract and copy the files that are newer (compared to all files)

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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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• 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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• skype compatible phone

  - by ageis23

  I'm looking for a skype compatible phone I can use to contact my sister when shes logged on sype on her laptop. If possible it should have video conferencing. So a small screen I can she her pretty face on lol.

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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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• 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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• 5.1 Sound Card with digital input for Ubuntu

  - by phsr

  I have a Intel Atom PC that I'm shoe-horning into a role as a media server. I have a 5.1 surround sound speaker set that works pretty well. I want to be able to take the optical out from my cable box or PS3 and route it into the PC so that I can play it surround sound. Is there a low price video card that has 5.1 and optical in that works with Ubuntu?

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• How can I prevent Windows Update from crashing my computer?

  - by this is a dead end

  I have Automatic Updates enabled and every now and then I'll get that little pop-up window that nags me to reboot to complete the update process. Usually, I ignore it and after 2 days my computer crashes. It crashes by freezing all the programs, including Windows Explorer, to the point that I can't even use CTRL-Alt-Delete (and my mouse lags). I'm pretty sure it's Windows Updates that is causing this. So, for now, I've disabled Windows Updates.

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• Reading Hindi (Devanagari) on Windows XP SP1

  - by user31670

  Pretty much all the text that I have read on enabling Hindi (Complex Text Rendering) involve enabling it via Regional Settings Languages Install files for complex script support and left to right languages (including Thai). However, I am able to read Wikipedia without having this feature enabled. Is this normal or is this an anomaly with my Win XP SP1 CD?

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• Can a PCI Graphics card, and AGP be used together?

  - by Everyone

  The question pretty much says it all. I use an old 845GBV board ( to-date reliant upon the integrated graphics processor ). All slots on the board are unused. Lately I've been thinking in terms changing it to a dual monitor so that I can use one console for documentation/help/sample code/whatever, the other one to play with code. Assuming this board can handle a PCI GPU, can an AGP4x board coexist with a PCI GPU?

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• What are the top reasons Macs are much less likely to get viruses/worms/trojans?

  - by chaddjohnson

  I ask in seriousness. Please do not post answers like, "because Windows sucks!" Why do Macs pretty much never get viruses/worms/trojans, in comparison to Windows? Is one reason the rwx permission implementation, where that I must explicitly grant a program execute permission to run? What would be another reason?

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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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• ESXi VM NTP Server

  - by jstorch

  Hello all. We need to setup an internal NTP server. Because this server will pretty much ONLY be a time server I was thinking of just creating a VM for it. However, Googling around it appears that there there might be serious clock drifting issues with VM servers. So, is running our NTP server in a VM a completely dumb idea? Thanks, John

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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 can I check what e-mail address is tied to my OpenID?

  - by Protector one

  I'm using Yahoo as an OpenID provider, but they give me pretty much zero control over it. I would like to know what e-mail address is tied to said OpenID. (I have a non-Yahoo e-mail account selected as primary, but I'm suspecting Yahoo is not respecting that setting.)

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• No mail for root message [closed]

  - by Werulz

  I want to receive email when people login to my server via ssh (as a security measure), however, when I login, I get: No mail for root Email is [email protected] Does it need Postfix to work? I already install it on server but i haven't configured it Can you give me a tutorial to configure Postfix in case it needed? Will email be sent even if my domain hasn't been propagated yet? I added this in .bash_profile echo 'ALERT - Root Shell Access on:' `date` `who` | mail -s "Alert: Root Access from `who | awk '{print $6}'`" [email protected]

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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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• 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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• How much traffic per month would my site need? [closed]

  - by camran

  HOW MANY GB OF TRAFFIC IS REQUIRED PER MONTH? Any way to calculate this? Webhosting companies have a limit when ordering, so I need to know... A classifieds website using PHP and MYSQL. MYSQL has around 500thousand records. Not much graphics. Pretty advanced search feautures. How much traffic would I need do you think? Thanks

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