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• How do you test your porn filter

  - by Zoredache

  For testing antivirus we have EICAR, for SPAM, we have GTUBE. Is there a standard site that is or should be included in blacklists that you can use for testing instead of going to your favorite porn site in front of your boss, the CEO, or someone else who feels that seeing such a site is an excuse for a sexual harassment suit? Update This is less about getting permission for me to test, though that answer is useful. I do have both permission and responsibility to actually make sure the filter is running. I am able test the filter is functioning with a netcat. Instead, I am hoping there is a standard domain name that is blocked by most/all filters for testing. I need to be able to share this with my boss and users. I need to be able to demonstrate what happens when someone go to a filtered page. I need to have a way to quickly prove to others that the filter is working without asking them to go to some site that will not cause grief if for some reason the filter is not working. If there isn't already a good domain for this purpose I may simply have to register a domain myself, and then add the domain to all the filters I am responsible for.

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• 3 Servers, is this is a cluster?

  - by Andy Barlow

  Hello, At the moment I have one Ubuntu server, 9.10, running with a simple Samba share, a mail server, DNS server and DHCP server. Mostly its just there for file sharing and email server. I also have 2 other servers that are exactly the same hardware and spec as the first, which have an rsync set up to retrieve the shared folders and backs them up. However, if the first server goes down, all of our shares disappear along with our mail and the system must be rebuilt. Also I tend to find if people are downloading a large amount from the file server, no-one can access there emails - especially in the morning when everyone is signing in at once. Would it be more beneficial for me to have all 3 servers, all running the same services, doing the same thing with some sort of cluster with load balancing? I'm not really sure where to begin looking, or how to go about such a setup where 3 servers are all identical, but perhaps one acts as the main load balancer?? If someone can point me in the right direction, or if this simply sounds like one of those Enterprise Cloud's that is now a default setup in Ubuntu Server 9.10+, then I'll go down that route. Cheers in advance. Andy

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• Creating a tar file with checksums included

  - by wazoox

  Here's my problem : I need to archive to tar files a lot ( up to 60 TB) of big files (usually 30 to 40 GB each). I would like to make checksums ( md5, sha1, whatever) of these files before archiving; however not reading every file twice (once for checksumming, twice for tar'ing) is more or less a necessity to achieve a very high archiving performance (LTO-4 wants 120 MB/s sustained, and the backup window is limited). So I'd need some way to read a file, feeding a checksumming tool on one side, and building a tar to tape on the other side, something along : tar cf - files | tee tarfile.tar | md5sum - Except that I don't want the checksum of the whole archive (this sample shell code does just this) but a checksum for each individual file in the archive. I've studied GNU tar, Pax, Star options. I've looked at the source from Archive::Tar. I see no obvious way to achieve this. It looks like I'll have to hand-build something in C or similar to achieve what I need. Perl/Python/etc simply won't cut it performance-wise, and the various tar programs miss the necessary "plugin architecture". Does anyone know of any existing solution to this before I start code-churning ?

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• simple apache2 reverse proxy setup not working

  - by Nick

  I know what proxy is (very high level), it's just I have never set up one, and it feels like I might be missing some big fat point here. My setup: client server (static IP), runs apache on port 80 proxy (has 2 network cards, one is on the clients network, the other one with a static IP on the server network), runs apache on port 80 I am trying to configure these three machines so that when client requests: http://proxy/machine1 It gets served server's pages at server root URL, i.e. http://server/ I can access client pages just fine. However, when I try accessing a page from the client machine, it simply gets redirected to server's IP address, which it clearly can't access since they are not on the same network: ... <meta http-equiv="REFRESH" content="0;url=http://server/machine1"></meta> <title>Redirect</title> ... My apache2 config is: LoadModule proxy_module /modules/mod_proxy.so LoadModule proxy_http_module /modules/mod_proxy_http.so ProxyRequests off <Proxy *> Order Allow,Deny Allow from all </Proxy> ProxyPass /machine1 http://server:80 <Location /machine1> ProxyPassReverse / </Location> What gives? Thanks!

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• How to run the CPU at something like 75%?

  - by Tobias Kienzler

  My notebook is too old for me to invest into a new fan (it will simply be replaced by a new one when the final heat death occurs), but when it runs on full speed I feel like sitting in front of a vacuum cleaner with integrated cooking... I'm currently using NHC, the Max Battery mode of which let's the CPU run at 50% (~800 MHz). That's fine for most applications, and both temperature and noise remain low. However, on some occasions I need a bit more speed, more around 75% maybe. Can I set the power saving settings somehow so that the CPU won't surpass 75% of it's capability so that an acceptable compromise between power and noise is achieved? I can't set the CPU frequency in the BIOS and since on rare occasions I'd like to be able to switch to 100% without much hassling, hardware solutions like setting jumpers are no option. This answer to a similar (linux!) question mentions NHC should be able to offer these options, but for me they are all greyed out: The notebook is an Asus Z9200K, I guess NHC doesn't support its chipset enough for these advanced options.

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• Dell OpenManage On Ubuntu Server 12.04 Cannot Log In

  - by Austin

  I have a Dell Poweredge 2950 with 2X130GB and 2X2TB drives. I need to set them up in a RAID 1 array so that the 130GB Drives are mirrored and host the OS, while the 2TB drives are mirrored and are the content drives. So I go from 4 disks, down to two, one 130GB and one 2TB. I can do that in the BIOS RAID utility no problem. But I need to be able to manage the RAID arrays and be able to expand them WITHOUT shutting down the server. Now, to my understanding, openmanage will allow me to do that AND it runs on ubuntu. So I go and set it up and try to log into the web interface at and it will not let me log in. I have followed dell's guide to set up openmanage, even added the usernames to the files and permissions and such, however, cannot get it to let me log in or anything. I have reinstalled Openmanage several times, even reinstalled the OS three times, and nothing works. Google does not help either. It simply says login failed after hitting submit. Please Help

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• Vanishing Windows Desktop Shortcut Keys

  - by Henry Keiter

  The Situation Like you, I have many applications that I like to open. I've set up keyboard shortcuts for the most common, by placing a link on the desktop and setting its Shortcut Key property: This is all fine and dandy, most of the time. When I want to bring up the GIMP, I press Ctrl+Alt+G and the GIMP launches. Lovely. The Problem Sometimes--perhaps once a month per desktop shortcut--the shortcut key assignment simply vanishes. I press Ctrl+Alt+G and nothing happens, so I go check the shortcut and see that lo and behold: nothing is there. This happens regularly to all my shortcuts (not all at once). It doesn't matter what keys I assign, and there doesn't seem to be any correlation with particular applications being open or anything of that sort. This has happened on every Windows XP machine I've ever used with any regularity. Obviously what makes this issue particularly obnoxious is that it's not easily reproducible. I have searched long and hard for a solution for (or at least acknowledgement of) this problem, to no avail, so hopefully you guys know something that I don't. I did find this question, where the answers are all basically "use a third-party app", but as far as I could tell that was a slightly different issue, related to Explorer being busy. If the solution for this turns out to be the same, fine, but I'd prefer a native fix if at all possible. Note: I've tagged this with Windows in general because I seem to remember it happening on Windows 7 as well as XP, but I rarely notice it because I use the start-menu search in preference to desktop shortcuts.

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• Cannot click send button in Outlook (+ Exchange) for unknown addresses

  - by Graphain

  Hi, I have a very unusual problem. I have Outlook 2010 connected to Exchange 2010. This can send emails perfectly to known addresses (that is, addresses in the address book or ones that have been sent to previously). However, if I put in an address that is unknown, I cannot actually click the Send button in Outlook. (it simply does nothing). Corresponding to this I get errors in the Event Log for each Send click stating "The connection to Microsoft Exchange is unavailable. Outlook must be online or connected to complete this action.". However, Outlook shows as connected the whole time, pings do not break, and I have no reason to suspect it has lost connection. To further complicate matters, Outlook is fine on all other PCs, and this was all perfect until I installed BitDefender on the PC in question and the Exchange Server. Outlook was still fine on these other PCs while BitDefender was installed, but I have removed it from the PC in question and the Server just in case (no success). Summary: Outlook encounters Exchange connectivity issues when sending to unknown (new) email addresses that prevent the Send button actually working at all. This is isolated to one machine and occurred after installation of AV/Firewall software which has since been thoroughly removed. If you have any potential solutions I'd love to hear them, as I will be resorting to reformatting the PC in question, and probably removing Exchange because I'm sick of its issues if I cannot resolve this soon. Big thanks for any help.

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• Xen 4.1.2 unable to boot

  - by Devator

  I have installed Xen 3.1.2 perfectly, and it's running fine. However since that version is way outdated I just updated it to 4.1.2 by adding the gitco repository and then yum update. It installed fine, modified my grub.conf to reflect the changes but then on a reboot, it simply doesn't come back online (I can't see what's going on, as it's a rented dedicated server). What are my options? Booting into rescue mode and using the older kernel works fine, it will come back up. But once I use the xen.gz-4.1.2kernel, it won't come back up anymore and I need to use the rescue image.. My /boot/grub/grub.confis as follows: title CentOS (2.6.18-308.1.1.el5xen) root (hd0,1) #kernel /xen.gz-2.6.18-308.1.1.el5 dom0_mem=1024M kernel /xen.gz-4.1.2 module /vmlinuz-2.6.18-308.1.1.el5xen ro root=/dev/md1 module /initrd-2.6.18-308.1.1.el5xen.img When I uncomment the 3.1.2 kernel, it works fine, but booting with the 4.1.2 kernel fails and I have no idea what's going on. Hence my question: what are my options?

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• Why do messenger keeps coming up when I adjust screen brightness?

  - by Asaf R

  My Dell Studio XPS 13 has a brightness up & down buttons (Fn + up arrow / down arrow), as do most laptops have. It's running Windows 7 64bit and I've installed Windows Live Messenger (build 14 and something) on it. When I hit Fn + down arrow, to reduce screen brightness, the Messenger window pops up. That's true whether it has been running in background (system tray / minimized) before or not. Note, to make messenger hide itself to the system tray, I've set it to Vista Compatibility mode. I don't think that has anything to do with it though, since if I shut compatibility mode off, the problem persists. There's a thread on the matter here, but with no solution. Thanks, Asaf SOLUTION: Stop Intellitype when using internal keyboard. See detailed howto here. EDIT: Some new findings on the matter - If I exit messenger entirely and restart (or simply stop) the service "Windows Live ID Sign-in Assistant" the problem is solved until I run messenger again. It persists even after entirely closing messenger, until I restart the said service. EDIT2: The above service "Windows Live ID Sign-in Assistant" actual name is wlidsvc. There's no shortcut defined for messenger, nor is there any other hot key in its preferences. EDIT3: I'm not sure if it's relates, but some of the Fn keys are not working - Fn + F1 doesn't put the machine to sleep, Fn + F3 doesn't show battery status. EDIT4: Problem probably relates to conflict with IntelliType Pro. See my answer below. Said conflict also causes Undo command when disabling Wireless (Wireless touch button), and other side effects for various keys.

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• What do I need to do to set my computer as Default Gateway?

  - by Vaibhav

  We are trying to put together a box with dual LAN cards (let's say Outer and Inner), where the Inner LAN card is supposed to act as a default gateway on the network it is connected to. This box is running Ubuntu. The basic purpose for this box is to take messages generated on the inner network, do some work with them and forward them out the Outer LAN card to a server. The inner network is completely isolated with simply a regular switch connecting the Inner LAN Card with two other boxes. These other boxes either throw out multi-cast messages (which the Inner LAN Card is listening to), or send out unicast messages meant for the server which is not on this inner network. So, we need the Inner LAN Card to act as a default gateway, where these unicast messages will then be sent, and the code on the dual-LAN Card box can then intercept and forward these messages to the server. Question: 1. How do we setup the LAN Card to be default gateway (does it need some configuration on Ubuntu)? 2. Once we have this setup, is it a simple matter of listening to the interface to intercept the incoming messages? Any help (pointers in the right direction) is appreciated. Thanks.

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• How to debug a kernel created using ubuntu-vm-builder?

  - by user265592

  Aim: Trying to perform a code walkthrough of what functions are getting called for sending and receiving packets over the network. I am building a kernel and using gdb for debugging/ tracing purposes. I have build a vm using the following command : time sudo ubuntu-vm-builder qemu precise --arch 'amd64' --mem '1024' --rootsize '4096' --swapsize '1024' --kernel-flavour 'generic' --hostname 'ubuntu' --components 'main' --name 'Bob' --user 'ubuntu' --pass 'ubuntu' --bridge 'br0' --libvirt 'qemu:///system' And I can run the VM successfully in qemu using the following command: qemu-system-x86_64 -smp 1 -drive file=tmpGgEOzK.qcow2 "$@" -net nic -net user -serial stdio -redir tcp:2222::22 Now, I want to debug the kernel using gdb. For this I need an executable with debug symbols(vmlinux), which apparently I don't have, as the vm-builder never asked for any such options and simply created a .qcow2 file. Question 1: Am I taking the correct approach to solve the problem and is there an easier way to do it? Question 2: Is there a way to debug this kernel using GDB? P.S: I don't have hardware support for KVM. Please correct me if I am wrong. Thanks.

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• Ubuntu server or Debian server (to run C++ apps developed on Ubuntu)

  - by skyeagle

  I have written a number of C++ server side daemons for my website, using my Ubuntu 9.10 dev machine. The C++ apps I mentioned above are "GUI-less" daemons (and libraries used by the daemons). I am now about to host my website and need to decide whether to go with Debian server or Ubuntu server. In a nutshell, here is the situation: I developed on Ubuntu desktop because I preferred the more friendly GUI I would like to deploy on Debian Server because of the (perceived?) robustness of the Debian server over Ubuntu server (I may be totally wrong here - and in fact, this is really what this question is all about) If Debian server is indeed more robust than Ubuntu server, then I have no choice but to go with Debian server - BUT, will my Ubuntu developed C++ apps run on the server? (or do I need to recompile them on the server? (I'd HATE to have to do this, because I want to keep the server machine clean and light - no GUI, no dev tools etc). This last question is really about binary compatability between Ubuntu and Debian. I want the server to be robust, secure and stable, and simply act as a server (i.e. LAMP and very little else - no GUI etc). Given that requirement, and the fact that I need to run my C++ apps (developed on Ubuntu 9.10), I need advice on which OS to choose for the server. Ideally, any advice will be backed with a reason. I am particularly interested in hearing from people who have been in an identical situation, or done something similar.

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• Best photo management software?

  - by Niels Basjes

  Hi, What I would like is a single piece of software (or a smart combination of tools) that allow me to manage my photos in a better way than what I've found so far. 1. Tags Primarily I need a way of tagging the images. So I can manually tag photos the same way we tag questions here at SO/SF/SU. I want this software to place a lot of the tags automagically (obvious things like date and resolution). 2. Face recognition What I would really like is that this software has a feature that it can recognize faces in images and places tags with the name of the person. So far I've only heard of one online photo system that can do that (Picasa) and not yet of any offline tool. 3. Version database I must have some way of having a central GIT/SVN/... that contains all images. I have had a harddrive corruption a few years ago and it took me a long time to figure out which images had been damaged. I always want to be able to go back to what the camera produced. 4. Website I want to be able to generate a website (few 'tag' specific websites) based on the actual content. 5. Easy bulk uploading Many photo tools have a one on one uploading option. I prefer simply 'throwing' my images on a file server under Linux (Samba) and let the system automagically integrate, tag, recognize, etc. all images. Ok, I know these are a bit much. Perhaps you guy's have some suggestions about existing tools that can make this possible. Or even a complete system that does this. EDIT: To clarify on the OS. I prefer Linux for any 'server' task and Windows XP for any 'desktop' task. Thanks for all your input. Niels Basjes

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• Looking for recommendations on OCR problem - tabular numeric data

  - by ldigas

  I have 20 pages of experiment measurement data which I need to digitalize. The results are in tabular form, scanned in 600 dpi resolution, and as far as scans go, they came up pretty clean and readable. For an example of how it looks see here (but beware: it is a rather big scan; about 5Mb; no problem for any broadband connection, but dialups should approach with caution!) ... and I need it finished by sunday afternoon (:-o) <-- smiley in a state of panic (then why did't you start sooner?)... yea, yeah ... I know ... but, it came up late, and I wasn't thinking I was gonna need this data also. So, I'm looking for recommendations. I haven't much experience with OCR programs, save scanning a page or two of pure text, but just to mention, I haven't the wish also to test out every OCR program out there. So this isn't a "name your OCR favourite". What I'm looking is advice from someone who's done something like that, and his/hers experience on what would be the best way to undertake. I need the data in txt form but since it will have to be checked (by drawing it, and just simply watching whether some points "jump out") I'll probably be entering it in Excel at first.

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• CPU-adaptive compression

  - by liori

  Hello, Let assume I need to send some data from one computer to another, over a pretty fast network... for example standard 100Mbit connection (~10MB/s). My disk drives are standard HDD, so their speed is somewhere between 30MB/s and 100MB/s. So I guess that compressing the data on the fly could help. But... I don't want to be limited by CPU. If I choose an algorithm that is intensive on CPU, the transfer will actually go slower than without compression. This is difficult with compressors like GZIP and BZIP2 because you usually set the compression strength once for the whole transfer, and my data streams are sometimes easy, sometimes hard to compress--this makes the process suboptimal because sometimes I do not use full CPU, and sometimes the bandwidth is underutilized. Is there a compression program that would adapt to current CPU/bandwidth and hit the sweet spot so that the transfer will be optimal? Ideally for Linux, but I am still curious about all solutions. I'd love to see something compatible with GZIP/BZIP2 decompressors, but this is not necessary. So I'd like to optimize total transfer time, not simply amount of bytes to send. Also I don't need real time decompression... real time compression is enough. The destination host can process the data later in its spare time. I know this doesn't change much (compression is usually much more CPU-intensive than decompression), but if there's a solution that could use this fact, all the better. Each time I am transferring different data, and I really want to make these one-time transfers as quick as possible. So I won't benefit from getting multiple transfers faster due to stronger compression. Thanks,

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• Multicast hostname lookups on OSX

  - by KARASZI István

  I have a problem with hostname lookups on my OSX computer. According to Apple's HK3473 document it says for v10.6: Host names that contain only one label in addition to local, for example "My-Computer.local", are resolved using Multicast DNS (Bonjour) by default. Host names that contain two or more labels in addition to local, for example "server.domain.local", are resolved using a DNS server by default. Which is not true as my testing. If I try to open a connection on my local computer to a remote port: telnet example.domain.local 22 then it will lookup the IP address with multicast DNS next to the A and AAAA lookups. This causes a two seconds lookup timeout on every lookup. Which is a lot! When I try with IPv4 only then it won't use the multicast queries to fetch the remote address just the simple A queries. telnet -4 example.domain.local 22 When I try with IPv6 only: telnet -6 example.domain.local 22 then it will lookup with multicast DNS and AAAA again, and the 2 seconds timeout delay occurs again. I've tried to create a resolver entry to my /etc/resolver/domain.local, and /etc/resolver/local.1, but none of them was working. Is there any way to disable this multicast lookups for the "two or more label addition to local" domains, or simply disable it for the selected subdomain (domain.local)? Thank you!

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• What are some techniques to monitor multiple instances of a piece of software?

  - by Geo Ego

  It was recommended that I ask this question here by a member of StackOverflow. I have a piece of self-serve kiosk software that will be running at multiple sites. I'd like to monitor their status remotely. The kiosk application itself is pretty much finished. I am now in the process of creating a piece of software that will monitor all of the kiosks from a central location so that the customer can view particular details remotely (for instance, how many bills are in the acceptor's cash cartridge, what customer is currently logged in, etc.). Because I am in such an early stage of development, my options are quite open. I understand that I'm not giving very many qualifications, but I'd like to try to get a good variety of potential solutions. Some details: Kiosk software is a VB6 app running on Windows Embedded Monitoring software will be run on a modern desktop version of Windows (either XP, Vista, or 7) Database is SQL Server 2008 My initial idea was to develop a .NET app that would simply report the last database transaction for each kiosk at a set interval (say every second or so) but I'd really like for the kiosk software to report its status in real-time. I'm not exactly sure where to begin in terms of what modifications may need to be made to the kiosk software, and what the monitoring software will require. Links to articles on these topics would be most welcome.

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• Windows 2003 R2 zip program blocking EXE file

  - by Harvey Kwok

  I have a Windows 2003 R2 Enterprise Edition SP2 32-bit machine with all latest patch (as of 1-6-2011). It's a VM. I have a zip file, including a pdf file, a txt file and a exe file. If I copy the zip file onto the machine via a shared network drive, I can unzip all the files properly without problems. If I put the zip file on my web server and then I download it from there, I can only unzip the pdf file and txt file. The exe file is silently ignored. I searched the web and found somebody reporting similar issue on XP. If I right click on the zip file downloaded from the web server, at the bottom of the general page, it has a warning message saying that "This file came from antoher computer and might be blocked to help protect this computer" I understand that I can solve the problem by simply clicking the "Unblock" button and extract the file again. The things that bothering me is that why the warning message says "might be blocked"? I tried downloading the same zip file from the same web server on to my Windows 7 box with latest patch. It also shows the same warning message. However, even with the warning message, I can extract all the files properly without clicking the "Unblock" button. Is it a bug in Windows 2003 R2 SP1? Is there any security settings controlling this? How likely will the end user seeing this problem? I want to dig into this because I am worrying people downloading my zip file from my web server might see similar problems. The first thought coming to the user's mind will be the zip file is somehow corrupted. Honestly, I didn't know this "Unblock" feature in Windows before I run into this problem. EDIT I just tried it on another Windows 2003 R2 SP1 machine. The zip program doesn't block the EXE file on that machine either. Both Windows 2003 R2 SP1 machines are joining to the same forest.

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• Swap static public IPs without creating DNS conflicts?

  - by Jakobud

  Our ISP is Comcast and we have 5 static public IPs from them that we use for various services, including customers connecting to our network, VPN, web, DNS, etc... We need more IP addresses from Comcast. Unfortunately, Comcast is telling us that they can't just simply give us 5 more addresses. They only give static IP addresses in blocks of 1, 5 or 13. In order for us to get more static IPs, they have to take away our current 5 static IPs and give us 13 new ones. How do we make this transition without causing all sorts of DNS chaos? We run public DNS servers, so we can make the DNS changes ourselves, but it will take some time obviously for those DNS changes to propagate throughout the internet. Are there any easy ways to make this transition? Like create some type of fallback DNS entry or something? Surely there must be some sort of procedure for this kind of thing. The Comcast support guy was useless.

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• How to install Red Hat Enterprise Linux on Apple Macbook Pro MacBookPro4,1

  - by Todd V. Rovito

  I have a one year old Mac Book Pro that I am trying to get RHEL 5.4 installed on via bootcamp. No matter what I do I can't get the installer to boot. I have tried multiple DVD's and even verified the install works on a new Mac Book Pro. Most of the time the installer simply locks up. I usually use Linux text with all-generic-ide on the boot line. I removed the ide parameter and I just used linux text. The results I get are that a bunch of kernel messages appear then the background turns blue and a thin text box pops up saying its loading ata..... something it disappears too fast for me to read. Then the machine freezes. I pressed the alt function keys to see if I could look at the system log, here is what it says: Alt-f3 says "trying to mount CD device hda" Alt-f4 says status error: hda: lastFailedSense Hda: Failed opcode was: unknown Hda: Lost interrupt Hda: Drive not ready for command Ide-cd: command 0x3 timed out Above this junk it looks like it found the partition because it knew it was 20 GB and listed as /dev/sda3. I think it has something to do with the CD drive, is that possible? Thanks again for the support. PS I posted in the apple support forums ( Apple.com Support Discussions Boot Camp Installation and Storage) and didn't get an answer.

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• Yum Error Installing Git from kernel.org Repo

  - by Lance

  I want to install the latest version of Git using yum and the RPM repository on kernel.org, but adding the repo to yum.repos.d causes yum to fail with checksum errors. The prevailing solution to this issue seems to be to simply use the repository at Webtatic as answered here on superuser. I know I can also install an older version of Git using the EPEL repo, or compile from the latest source tarball, but honestly I want to understand why I'm having issues using the kernel.org repo. Here’s the workflow, after a clean install of CentOS 5.5 and "yum update": [root]# wget -P /etc/yum.repos.d/ http://kernel.org/pub/software/scm/git/RPMS/git.repo [root]# yum clean all [root]# yum repolist Loaded plugins: fastestmirror Determining fastest mirrors * addons: mirrors.netdna.com * base: mirror.clarkson.edu * epel: serverbeach1.fedoraproject.org * extras: centos.mirror.nac.net * updates: mirror.cogentco.com addons | 951 B 00:00 addons/primary | 202 B 00:00 base | 2.1 kB 00:00 base/primary_db | 1.6 MB 00:01 epel | 3.7 kB 00:00 epel/primary_db | 2.8 MB 00:01 extras | 2.1 kB 00:00 extras/primary_db | 188 kB 00:00 git | 1.2 kB 00:00 git/primary | 155 kB 00:00 http://www.kernel.org/pub/software/scm/git/RPMS/i386/repodata/primary.xml.gz: [Errno -3] Error performing checksum Trying other mirror. git/primary | 155 kB 00:00 http://www.kernel.org/pub/software/scm/git/RPMS/i386/repodata/primary.xml.gz: [Errno -3] Error performing checksum Trying other mirror. Error: failure: repodata/primary.xml.gz from git: [Errno 256] No more mirrors to try. Any suggestions as to a solution, or details why the kernel.org repo has this issue? (Sorry I can't include more links to my references, but I don't have the reputation for that yet.)

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• Download JDK onto a remote server

  - by itsadok

  I want to get the latest JDK onto a server in a remote location. Downloading the JDK from Sun's website requires jumping through all kinds of hoops until you actually get the file. I'm not sure exactly if they use cookies or my IP address, but simply copying the file URL and trying wget on the server doesn't work. Googling for mirrors of the JDK, I could only find old versions. Right now I'm left with the option of downloading it into my computer, then uploading it to the server. This feels slow and stupid. Anyone got a better idea? EDIT: Thanks for all the replies. Just to clarify, as I'm writing this I'm rsyncing the 78MB file to my server. It should be done in about an hour, so it's not such a big deal. However, since this is not the first time I'm doing this, I was hoping for a better solution for next time. Solution: What I ended up doing was sudo aptitude install lynx-cur www-browser http://java.sun.com/javase/downloads/ From there it's mostly using the arrow and enter keys, and answering "Yes" to a lot of lynx security questions (about cookies and certificates). Thanks to resonator.

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• Windows 7 Cable Connection Rehabilitation

  - by Giovanni De Gaetano

  I recently switched the operating system of my laptop from Windows XP to Windows 7. My web-connection is such that I need to identify everytime before connecting. Since there is no automatic identification request, while using Windows XP I was used to de-abilitate and rehabilitate the cable connection after every switching on. I successfully installed the web-connection on Windows 7, and later on I switched the computer off and on (simply because I had to sleep!). After restarting the computer, since there was no automatic identification request, I de-abilitate the cable connection. But this time I didn't find any way to rehabilitate it! Do you have any suggestions on how to solve the problem? My "Wired AutoConfiguration" has the startup type "Automatic", but it's not enough to restart automatically the cable connection! I tried to do some standard things like restart the computer, unplug and plug in again the cable, reinstall the web-connection from the scratch... But nothing worked! Thank you very much for your help!

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• Free/opensource application for charting stock prices?

  - by Homunculus Reticulli

  I am looking for a free or FOSS software application for SIMPLY charting stock prices. I am not interested in any of the other nonsense typically bundled with such packages (technical analysis, back testing, tracking etc, etc). All I want to do is the following: Import file from CSV and plot on the chart Ability to scroll the chart left/right (zoom feature would be nice to) Ability to draw straight line (between 2 points) on the plot Ability to plot the graph for different resolutions (for e.g weekly, monthly - or some other custom resolution that I want) print the displayed graph (I can always use screen capture if printing is too much to ask) Thats all I want to do. I am not interested in anything else. I would have thought I could have found something by now. I would have written my own tool (I still will do that at a later stage), but I am a bit short of time at the moment, so I just want something that will do all of the above. Can anyone recommend a package. Last but not the least, I am running on Linux (and would prefer to do so - BUT if I have to, I can run on ahem - you know, Windows)

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