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• Iptables - Redirect outbound traffic on a port to inbound traffic on 127.0.0.1

  - by GoldenNewby

  I will be awarding a +100 bounty to the correct answer once it is available in 48 hours Is there a way to redirect traffic set to go out of the server to another IP, back to the server on localhost (preferably as if it was coming from the original destination)? I'd basically like to be able to set up my own software that listens on say, port 80, and receives traffic that was sent to say, 1.2.3.4. So as an example with some code. Here would be the server: my $server = IO::Socket::INET->new( LocalAddr => '127.0.0.1', LocalPort => '80', Listen => 128, ); And that would receive traffic from the following client: my $client = IO::Socket::INET->new( PeerAddr => 'google.com', PeerPort => '80', ) So rather than having the client be connecting to google.com, it would be connecting to the server I have listening on localhost for that same server. My intention is to use this to catch malware connecting to remote hosts. I don't specifically need the traffic to be redirected to 127.0.0.1, but it needs to be redirected to an IP the same machine can listen to. Edit: I've tried the following, and it doesn't work-- echo 1 > /proc/sys/net/ipv4/ip_forward iptables -t nat -A PREROUTING -p tcp --dport 80 -j DNAT --to-destination 127.0.0.1:80 iptables -t nat -A POSTROUTING -j MASQUERADE

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• Task Manager Does Not Start Every Time

  - by diek

  I have had a problem that started some time ago, 6 months maybe. I should have noted the first instance but I didn't. I am using Windows 7 Pro, 32bit. Under normal circumstances I can open up the the Task Manager, via the task bar or cntrl alt del. When I get a program stuck, causing a freeze or non-responsive system I try to open the task manager. It will not work. I have had plenty of similar problems in the past and I had no trouble getting it open. I have searched the internet but the only results I can find are when the task manager will not start under any situation. I am running ESET NOD32 as the anti-virus. The latest example happened when I opened a new tab in Google and tried to copy an image. Google accounts for at least 50% of the examples. Ran System File Checker tool, sfc /scannow as recommended on another post. No errors returned. Any guidance would be appreciated.

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• Issue running 32-bit executable on 64-bit Windows

  - by David Murdoch

  I'm using wkhtmltopdf to convert HTML web pages to PDFs. This works perfectly on my 32-bit dev server [unfortunately, I can't ship my machine :-p ]. However, when I deploy to the web application's 64-bit server the following errors are displayed: (running from cmd.exe) C:\>wkhtmltopdf http://www.google.com google.pdf Loading pages (1/5) QFontEngine::loadEngine: GetTextMetrics failed () ] 10% QFontEngineWin: GetTextMetrics failed () QFontEngineWin: GetTextMetrics failed () QFontEngine::loadEngine: GetTextMetrics failed () QFontEngineWin: GetTextMetrics failed () QFontEngineWin: GetTextMetrics failed () QFontEngineWin: GetTextMetrics failed () QFontEngine::loadEngine: GetTextMetrics failed () ] 36% QFontEngineWin: GetTextMetrics failed () QFontEngineWin: GetTextMetrics failed () // ...etc.... and the PDF is created and saved... just WITHOUT text. All form-fields, images, borders, tables, divs, spans, ps, etc are rendered accurately...just void of any text at all. Server information: Windows edition: Windows Server Standard Service Pack 2 Processor: Intel Xeon E5410 @ 2.33GHz 2.33 GHz Memory: 8.00 GB System type: 64-bit Operating System Can anyone give me a clue as to what is happening and how I can fix this? Also, I wasn't sure what to tag/title this question with...so if you can think of better tags/title comment them or edit the question. :-)

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• What is the collaborative screen shot/diagramming application recently featured on Hacker News and p

  - by wonsungi

  A few days ago, I saw this video for a screen capture application. I'm pretty sure I followed a link from Hacker News, possibly to a Life Hacker article. The video was very short, but demonstrated how the application could be used: The application was basically a movable/resize-able view port with a button. When the button is pressed, the contents of the view port are saved to an image (basically a screen capture.) The interesting thing is what you could do after that point. One of the specific examples from the video browsed to Google maps street view, grabbed a photo of an intersection, then scribbled notes about where to meet and where the restaurant was in colored "marker." Another example shown was grabbing a house layout from from CAD tool, then scribbling notes on it. The last part of the video showed several possible uses being scrolled through the application's view port. Now, it seemed it was very easy to share these images with other people because there was some type of integration, either with their own site and/or common social websites/chat services. The application was shown running on both Windows and Mac. edit: I think there was an iPhone app, as well. Anyone know what this application is? I tried searching Google, Hacker News, and Life Hacker already. It is not Jing.

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• How can I use two Internet connections in Ubuntu?

  - by Martin

  My goal is to be able to do something like this: curl google.com --interface ppp0 curl google.com --interface p2p2 ppp0 is a DSL connection, and p2p2 is a separate direct Internet connection. Currently I can only get one of these to work at a time. When I enable one, the other one stops working. /etc/network/interfaces: # The loopback network interface auto lo iface lo inet loopback # DSL auto p2p1 iface p2p1 inet manual auto dsl-provider iface dsl-provider inet ppp pre-up /sbin/ifconfig p2p1 up # line maintained by pppoeconf provider dsl-provider # DIRECT auto p2p2 iface p2p2 inet dhcp ifconfig: lo Link encap:Local Loopback inet addr:127.0.0.1 Mask:255.0.0.0 inet6 addr: ::1/128 Scope:Host UP LOOPBACK RUNNING MTU:65536 Metric:1 p2p1 Link encap:Ethernet inet6 addr: fe80::20a:ebff:fe21:99c6/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 p2p2 Link encap:Ethernet inet addr:192.168.1.101 Bcast:192.168.1.255 Mask:255.255.255.0 inet6 addr: fe80::20a:ebff:fe17:1249/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 ppp0 Link encap:Point-to-Point Protocol inet addr:53.193.231.167 P-t-P:53.193.224.1 Mask:255.255.255.255 UP POINTOPOINT RUNNING NOARP MULTICAST MTU:1492 Metric:1 route -n Kernel IP routing table Destination Gateway Genmask Flags Metric Ref Use Iface 0.0.0.0 0.0.0.0 0.0.0.0 U 0 0 0 ppp0 10.0.10.0 0.0.0.0 255.255.255.0 U 0 0 0 eth2 53.193.224.1 0.0.0.0 255.255.255.255 UH 0 0 0 ppp0 192.168.1.0 0.0.0.0 255.255.255.0 U 0 0 0 p2p2 By default, only ppp0 works. If I run "route add default gw 192.168.1.1 p2p2" then I can use p2p2 but ppp0 stops working. If I then run "route add default gw 53.193.224.1 ppp0" then I can use ppp0 again but p2p2 stops working. What can I do to be able to use both interfaces selectively?

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• Win7 Aero disabled due to mirror drivers following TightVNC use, cannot re-enable

  - by me_and

  I recently installed TightVNC, and used it to access my desktop from my phone. When I did so, my desktop reported that Aero had been disabled due to an application being run that didn't support it. I now cannot re-enable Aero, despite having closed the TightVNC server (and indeed having rebooted a number of times since). Windows 7 troubleshooting reports the following: Close programs using mirror drivers To allow Aero effects to be displayed, close any programs that use mirror drivers (a type of display driver), such as Windows Remote Assistance and Windows Live Mesh. The troubleshooting system appears to attempt to automatically fix that, but fails. I can see nothing in the task manager that obviously uses mirror drivers; in particular, I can see nothing that looks like TightVNC in there. Starting and exiting TightVNC makes no difference. Google has turned up nothing that looks useful so far, either, although my Google-fu isn't great and I may just be searching for the wrong things. There's another question that reports the same problem, caused by LogMeIn rather than TightVNC, but the solution listed there doesn't work—TightVNC doesn't install LogMeIn mirror drivers, for obvious reasons.

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• error creating MS Exchange distribution list: Active directory response: 00000005: SecErr: DSID-031521D0

  - by BabakBani

  We've migrated a client from google apps to an MS Exchange 2010 SP2 on-premise setup. The setup /prepareAD went well, and the software was installed with the Administrator account. We've used the Exchange Management Console to setup mailboxes and had to google up the appropriate workarounds such as going into each users Advanced Security Settings and selecting "include inheritable permissions from this object's parents", and changing their logon-to from specific machines to "all computers" so that they can connect to Outlook Web Access, and in turn so their Outlook 2007-2010 clients can connect to Exchange. Sending and receiving emails are working well. Now that all this is in place, we can create Dynamic Distrubution Lists with no problem, but as soon as we try and create a DISTRIBUTION LIST, either in the EMC or the Exchange PowerShell, we get an error. As the error message in the powershell is more verbose, I include this if anyone can suggest how we remedy this: [PS] C:\Windows\system32new-DistributionGroup -Name 'projects' -SamAccountName 'projects' -Alias 'projects' Active Directory operation failed on DC.cppe.local. This error is not retriable. Additional information: Access is denied. Active directory response: 00000005: SecErr: DSID-031521D0, problem 4003 (INSUFF_ACCESS_RIGHTS), data 0 + CategoryInfo : NotSpecified: (0:Int32) [New-DistributionGroup], ADOperationException + FullyQualifiedErrorId : 1EA5CD3E,Microsoft.Exchange.Management.RecipientTasks.NewDistributionGroup

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• How do I find funny pictures?

  - by Hanno Fietz

  No, not lolcats. And I'm not really looking for a specific site, either. I have often wished that I had some funny picture to illustrate a presentation, a website, a post, an email, or something else. Google image search and stock photo services have hardly ever helped me, although that may be because I'm doing something wrong. Jeff Atwood seems to have no problem to find funny pictures for his codinghorror and stackoverflow blogs, as well as for the error messages on the trilogy sites. One of my favourites was this elephant. Other bloggers also seem to be quite good at it. I'm wondering if I simply lack the creativity or if there's sources or methods I don't know about. I could think of the following ways to get pictures, but I'm not sure whether this is really "how they do it". keep a collection of pictures that you stumbled upon and liked (takes quite some time to build up to a proper library), when you need a picture, there's one in there maybe have pictures on paper, too, like from magazines or ads. when you are looking for a picture, search online (Flickr, Google, stock photos). This has never really worked for me, I don't know why. produce the pictures yourself, i. e. have a good library of source material or find some online and apply some creativity and suitable software. I could imagine that this could work well once you have the practice.

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• How can I get an AdWords ad to show up for a specific term ASAP?

  - by Eric

  I have a very specific situation... I have a client who has a site, backed by a celebrity, selling a comment product.... so imagine my site is all about "Martha Stewart used cars" (that's not it-- but you get the idea). My client wants to see their site show up ASAP in Google search results. While I'm waiting for organic search to kick in and recognize my site, index it properly, etc, I want to buy some adwords for keywords like "Martha Stewart used cars" and "Martha Stewart used car" and so forth and have the ads show up on the 1st page of search results. I've done this. The problem is that many, many other advertisers have set up ads on the keyword "used cars" so my Martha-specific ads never are shown. Even when I bid specifically on the keyword phrase "Martha Stewart used cars" and I enter that directly into Google, it doesn't show my ad. SO MY QUESTION.... how/what can I do to get my ads to show... or really, can I do anything else to get my client's site to show on the result page? (I'm not interested in anything black-hat or illegal; I'm just trying to throw some resources at this situation so when those folks looking SPECIFICALLY for "Martha Stewart used cars" will get to the site quickly.) thanks-- Eric

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• Can't Install msysgit/tortoisegit

  - by Jay

  I ran msysGit-netinstall-1.7.0.2-preview20100407-2.exe.   (http://code.google.com/p/msysgit/downloads/list) Then I ran TortoiseGit-1.4.4.0-64bit.msi.   (http://code.google.com/p/tortoisegit/downloads/list) msysgit was installed in C:\ TortioseGit appears to have been installed in C:\Program Files\TortoiseGit I have: "Git Clone..." "Git Create repository here" "TortoiseGit" in Explorer context menu. When I try to clone, I get "git have not installed" [sic]. I have tried setting the MSysGit path, in the TortioseGit settings, to everything imaginable. Nothing works. Neither C:\Program Files or C:\Program Files (x86) have a Git folder. The git command gives "command not found" from both cmd.exe and bash (that msysgit installed) I don't not see msysgit in - Control Panel - Programs - Program Features, but I do see TortioseGit in there. I would like a procedure for verifying that msysgit is properly installed. A procedure for uninstalling msysgit would be an added bonus. I would like a procedure for getting TortoiseGit to work. I am running Windows 7 on a MacBook Pro.

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• OpenSSL: how to setup an OCSP server for checking third-party certificates?

  - by StackedCrooked

  I am testing the Certificate Revocation functionality of a CMTS device. This requires me to setup a OCSP responder. Since it will only be used for testing I assume that the minimal implementation provided by OpenSSL should suffice. I have extracted the a certificate from a cable modem, copied it to my PC and converted it to the PEM format. Now I want to register it in the OpenSSL OCSP database and start a server. I have completed all these steps, but when I do a client request my server invariably responds with "unknown". It seems to be completely unaware of my certificate's existence. I would greatly appreciate if anyone would be willing to have a look at my code. For your convenience, I have created a single script consisting of a sequential list of all used commands, from setting up the CA until starting the server: http://code.google.com/p/stacked-crooked/source/browse/trunk/Misc/OpenSSL/AllCommands.sh You can also find the custom config file and the certificate that I am testing with: http://code.google.com/p/stacked-crooked/source/browse/trunk/Misc/OpenSSL/ Any help would be greatly appreciated.

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• OpenSSL: how to setup an OCSP server for checking third-party certificates?

  - by StackedCrooked

  I am testing the Certificate Revocation functionality of a CMTS device. This requires me to setup a OCSP responder. Since it will only be used for testing I assume that the minimal implementation provided by OpenSSL should suffice. I have extracted the a certificate from a cable modem, copied it to my PC and converted it to the PEM format. Now I want to register it in the OpenSSL OCSP database and start a server. I have completed all these steps, but when I do a client request my server invariably responds with "unknown". It seems to be completely unaware of my certificate's existence. I would greatly appreciate if anyone would be willing to have a look at my code. For your convenience, I have created a single script consisting of a sequential list of all used commands, from setting up the CA until starting the server: http://code.google.com/p/stacked-crooked/source/browse/trunk/Misc/OpenSSL/AllCommands.sh You can also find the custom config file and the certificate that I am testing with: http://code.google.com/p/stacked-crooked/source/browse/trunk/Misc/OpenSSL/ Any help would be greatly appreciated.

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• DNS something is wrong?

  - by Nickolas R.

  Hello I am configuring bind9 on a server with two network interfaces, one is connected to the LAN and the other is connected to the Internet through NAT so bind is not faced directly to the Internet. Everything seems to work fine, clients can do both forward and reverse lookups but somethings seems strange. On the server if i try to ping www.google.com one time, a great amount of network activity is genereated, alot more that one would expect so i decided to sniff the traffic with tcpdump. When loading the dump into Wireshark i can see about 250 entries with "Standard query A" and "Standard query response" Here a some of the entries from the dump DNS Standard query A www.google.com DNS Standard query A blackhole-1.iana.org DNS Standard query A blackhole-2.iana.org DNS Standard query response DNS Standard query A ns2.isc-sns.com DNS Standard query A ns1.isc-sns.net DNS Standard query A ns3.isc-sns.info DNS Standard query response PTR b.iana-servers.net RRSIG DNS Standard query A auth2.dns.cogentco.com DNS Standard query A ns1.crsnic.net DNS Standard query A ns2.nsiregistry.net DNS Standard query A ns3.verisign-grs.net DNS Standard query A ns4.verisign-grs.net DNS Standard query PTR 79.52.19.199.in-addr.arpa I do not have too much experince with DNS yet, but i am pretty sure that something is wrong. Anybody that have an idea of whats is going on?

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• Swapping Function (Fn) and Control (Ctrl) Keys on Lenovo ThinkPad W500

  - by Howiecamp

  I'd like to swap the Fn and Ctrl keys on my ThinkPad W500 (like many others!). I wanted to comment on http://superuser.com/questions/35228/how-can-i-switch-the-function-and-control-keys-on-my-laptop and StackOverflow question 514781 (please Google it because I don't have enough rep to include 2 hyperlinks) but I don't have enough rep to do so to comment. Numerous folks (in both the above questions and on other Google searches) indicate that Windows doesn't register the Fn key as a keypress but using a tool that gives the ASCII value of a keypress (visit www mihov com / eng / am.html) I see the Fn key returning FF (perhaps FF in this case means 'not registered'). I also see that keys like Ctrl register with one ASCII code when pressed alone and another when pressed in combo with another key. Fn will only register when pressed alone, so Windows definitely isn't seeing the combo. This took a solution like AutoHotKey off the table. I ran KeyTweak (which shows you the hardware scan codes of a keypress and the Fn key registerd as 57443). Using this program I remapped Fn to the Ctrl key; this worked perfectly. However, I suspect that because of the issue in #1, the combo of, for example, Fn + C did not execute a copy. Short of retraining my pinky I'm actually considering removing the keyboard and resoldering the connections to swap those keys. I'd love to get some input as to the root technical issue(s) and possible solutions here. Thanks

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• Windows XP can use a wired network port, but MacBook (OS X) fails on the same port

  - by Dean Hill

  I wired the Cat5 in my house seven years ago. The wired ports have worked fine with both my Windows XP laptop and MacBook. My wireless network also works fine, but I like to use wired occasionally. One of the Cat5 runs wasn't terminated with a jack, so I recently terminated this wire with a port/jack on the wall end and a standard Cat5 plug on the end that plugs into my router. This is the same setup as my other runs. Unfortunately, the MacBook isn't working well with the new wired port. The OS X Network System Preferences show the IP, Subnet, Router, etc., and everything looks fine. A "netstat -ibd" shows no errors or dropped packets. However, when I open a page in Safari, the status says "Contacting 'www.google.com'" and appears to hang. If I wait for a couple minutes, part of the Google page starts to display, but it is still not the full page load. When I use a Windows XP laptop on the same wired port, everything works fine. An internet speed test shows good results and all web pages load fine. A "netstat -e" under Windows shows no errors. I've used a Cat5 tester, and the cable tests fine (wires 1-8 light up in sequence). I've replaced both the port/jack and the connector twice to make sure I wired things correctly. I'd really like this Cat5 to work with the MacBook (and I'm trying to avoid running a new length of cable). Any ideas what the problem could be?

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• Transparent proxying in MacOS X 10.6 Snow Leopard (and maybe FreeBSD)

  - by apenwarr

  I'm trying to create a transparent proxy on my MacOS machine in order to port the sshuttle ssh-based transproxy VPN from Linux. I think I almost have it working, but sadly, almost is not 100%. Short version is this. In one window, start something that listens on port 12300: $ while :; do nc -l 12300; done Now enable proxying: # sysctl -w net.inet.ip.forwarding=1 # sysctl -w net.inet.ip.fw.enable=1 # ipfw add 1000 fwd 127.0.0.1,12300 log tcp from any to any And now test it out: $ telnet localhost 9999 # any port number will do # this works; type stuff and you'll see it in the nc window $ telnet google.com 80 # any host/port will do # this *doesn't* work! After the latter experiment, I see lines like this in netstat: $ netstat -tn | grep ^tcp4 tcp4 0 0 66.249.91.104.80 192.168.1.130.61072 SYN_RCVD tcp4 0 0 192.168.1.130.61072 66.249.91.104.80 SYN_SENT The second socket belongs to my telnet program; the first is more suspicious. SYN_RCVD implies that my SYN packet was correctly captured by the firewall and taken in by the kernel, but apparently the SYNACK was never sent back to telnet, because it's still in SYN_SENT. On the other hand, if I kill the nc server, I get this: $ telnet google.com 80 Trying 66.249.81.104... telnet: connect to address 66.249.81.104: Connection refused telnet: Unable to connect to remote host ...which is as expected: my proxy server isn't running, so ipfw redirects my connection to port 12300, which has nobody listening on it, ie. connection refused. My uname says this: $ uname -a Darwin mean.local 10.2.0 Darwin Kernel Version 10.2.0: Tue Nov 3 10:37:10 PST 2009; root:xnu-1486.2.11~1/RELEASE_I386 i386 Does anybody see any different results? (I'm especially interested in Snow Leopard vs Leopard results, as there seem to be some internet rumours that transproxy is broken in Snow Leopard version) Any advice for how to fix?

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• ls hangs for a certain directory

  - by Jakobud

  There is a particular directory (/var/www), that when I run ls (with or without some options), the command hangs and never completes. There is only about 10-15 files and directories in /var/www. Mostly just text files. Here is some investigative info: [me@server www]$ df . Filesystem Size Used Avail Use% Mounted on /dev/mapper/vg_dev-lv_root 50G 19G 29G 40% / [me@server www]$ df -i . Filesystem Inodes IUsed IFree IUse% Mounted on /dev/mapper/vg_dev-lv_root 3.2M 435K 2.8M 14% / find works fine. Also I can type in cd /var/www/ and press TAB before pressing enter and it will successfully tab-completion list of all files/directories in there: [me@server www]$ cd /var/www/ cgi-bin/ create_vhost.sh html/ manual/ phpMyAdmin/ scripts/ usage/ conf/ error/ icons/ mediawiki/ rackspace sqlbuddy/ vhosts/ [me@server www]$ cd /var/www/ I have had to kill my terminal sessions several times because of the ls hanging: [me@server ~]$ ps | grep ls gdm 6215 0.0 0.0 488152 2488 ? S<sl Jan18 0:00 /usr/bin/pulseaudio --start --log-target=syslog root 23269 0.0 0.0 117724 1088 ? D 18:24 0:00 ls -Fh --color=always -l root 23477 0.0 0.0 117724 1088 ? D 18:34 0:00 ls -Fh --color=always -l root 23579 0.0 0.0 115592 820 ? D 18:36 0:00 ls -Fh --color=always root 23634 0.0 0.0 115592 816 ? D 18:38 0:00 ls -Fh --color=always root 23740 0.0 0.0 117724 1088 ? D 18:40 0:00 ls -Fh --color=always -l me 23770 0.0 0.0 103156 816 pts/6 S+ 18:41 0:00 grep ls kill doesn't seem to have any affect on the processes, even as sudo. What else should I do to investigate this problem? It just randomly started happening today. UPDATE dmesg is a big list of things, mostly related to an external USB HDD that I've mounted too many times and the max mount count has been reached, but that is an un-related problem I think. Near the bottom of dmesg I'm seeing this: INFO: task ls:23579 blocked for more than 120 seconds. "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. ls D ffff88041fc230c0 0 23579 23505 0x00000080 ffff8801688a1bb8 0000000000000086 0000000000000000 ffffffff8119d279 ffff880406d0ea20 ffff88007e2c2268 ffff880071fe80c8 00000003ae82967a ffff880407169ad8 ffff8801688a1fd8 0000000000010518 ffff880407169ad8 Call Trace: [<ffffffff8119d279>] ? __find_get_block+0xa9/0x200 [<ffffffff814c97ae>] __mutex_lock_slowpath+0x13e/0x180 [<ffffffff814c964b>] mutex_lock+0x2b/0x50 [<ffffffff8117a4d3>] do_lookup+0xd3/0x220 [<ffffffff8117b145>] __link_path_walk+0x6f5/0x1040 [<ffffffff8117a47d>] ? do_lookup+0x7d/0x220 [<ffffffff8117bd1a>] path_walk+0x6a/0xe0 [<ffffffff8117beeb>] do_path_lookup+0x5b/0xa0 [<ffffffff8117cb57>] user_path_at+0x57/0xa0 [<ffffffff81178986>] ? generic_readlink+0x76/0xc0 [<ffffffff8117cb62>] ? user_path_at+0x62/0xa0 [<ffffffff81171d3c>] vfs_fstatat+0x3c/0x80 [<ffffffff81258ae5>] ? _atomic_dec_and_lock+0x55/0x80 [<ffffffff81171eab>] vfs_stat+0x1b/0x20 [<ffffffff81171ed4>] sys_newstat+0x24/0x50 [<ffffffff810d40a2>] ? audit_syscall_entry+0x272/0x2a0 [<ffffffff81013172>] system_call_fastpath+0x16/0x1b And also, strace ls /var/www/ spits out a whole BUNCH of information. I don't know what is useful here... The last handful of lines: ioctl(1, SNDCTL_TMR_TIMEBASE or TCGETS, {B38400 opost isig icanon echo ...}) = 0 ioctl(1, TIOCGWINSZ, {ws_row=68, ws_col=145, ws_xpixel=0, ws_ypixel=0}) = 0 stat("/var/www/", {st_mode=S_IFDIR|0755, st_size=4096, ...}) = 0 open("/var/www/", O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC) = 3 fcntl(3, F_GETFD) = 0x1 (flags FD_CLOEXEC) getdents(3, /* 16 entries */, 32768) = 488 getdents(3, /* 0 entries */, 32768) = 0 close(3) = 0 fstat(1, {st_mode=S_IFCHR|0620, st_rdev=makedev(136, 9), ...}) = 0 mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3093b18000 write(1, "cgi-bin conf create_vhost.sh\te"..., 125cgi-bin conf create_vhost.sh error html icons manual mediawiki phpMyAdmin rackspace scripts sqlbuddy usage vhosts ) = 125 close(1) = 0 munmap(0x7f3093b18000, 4096) = 0 close(2) = 0 exit_group(0) = ?

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• APACHE2.2/WIN2003(32-bit)/PHP: How do I configure Apache to Run Background PHP Processes on Win 2003

  - by Captain Obvious

  I have a script, testforeground.php, that kicks off a background script, testbackground.php, then returns while the background script continues to run until it's finished. Both the foreground and background scripts write to the output file correctly when I run the foreground script from the command line using php-cgi: C:\>php-cgi testforeground.php The above command starts a php-cgi.exe process, then a php-win.exe process, then closes the php-cgi.exe almost immediately, while the php-win.exe continues until it's finished. The same script runs correctly but does not have permission to write to the output file when I run it from the command line using plain php: C:\>php testforeground.php AND when I run the same script from the browser, instead of php-cgi.exe, a single cmd.exe process opens and closes almost instantly, only the foreground script writes to the output file, and it doesn't appear that the 2nd process starts: http://XXX/testforeground.php Here is the server info: OS: Win 2003 32-bit HTTP: Apache 2.2.11 PHP: 5.2.13 Loaded Modules: core mod_win32 mpm_winnt http_core mod_so mod_actions mod_alias mod_asis mod_auth_basic mod_authn_default mod_authn_file mod_authz_default mod_authz_groupfile mod_authz_host mod_authz_user mod_autoindex mod_cgi mod_dir mod_env mod_include mod_isapi mod_log_config mod_mime mod_negotiation mod_setenvif mod_userdir mod_php5 Here's the foreground script: <?php ini_set("display_errors",1); error_reporting(E_ALL); echo "<pre>loading page</pre>"; function run_background_process() { file_put_contents("0testprocesses.txt","foreground start time = " . time() . "\n"); echo "<pre> foreground start time = " . time() . "</pre>"; $command = "start /B \"{$_SERVER['CMS_PHP_HOMEPATH']}\php-cgi.exe\" {$_SERVER['CMS_HOMEPATH']}/testbackground.php"; $rp = popen($command, 'r'); if(isset($rp)) { pclose($rp); } echo "<pre> foreground end time = " . time() . "</pre>"; file_put_contents("0testprocesses.txt","foreground end time = " . time() . "\n", FILE_APPEND); return true; } echo "<pre>calling run_background_process</pre>"; $output = run_background_process(); echo "<pre>output = $output</pre>"; echo "<pre>end of page</pre>"; ?> And the background script: <?php $start = "background start time = " . time() . "\n"; file_put_contents("0testprocesses.txt",$start, FILE_APPEND); sleep(10); $end = "background end time = " . time() . "\n"; file_put_contents("0testprocesses.txt", $end, FILE_APPEND); ?> I've confirmed that the above scripts work correctly using Apache 2.2.3 on Linux. I'm sure I just need to change some Apache and/or PHP config settings, but I'm not sure which ones. I've been muddling over this for too long already, so any help would be appreciated.

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• DNS server and fallback outside home

  - by Jens

  I have my own DNS server at home to access local names, and that is working fine. Then I have my laptop, now obviously my laptop leaves the home now and then, therefore it accesses different nets outside my home, and my DNS server is not accessible there... So I figured that I would just add Google as secondary DNS... But actually, when I do that, then suddenly I can't access my local stuff, the page won't resolve (at home that is, obviously), like my laptop is getting a quicker response from Google's DNS or something, because it can't find anything on the addresses I use locally. If I then remove the secondary DNS, and keeps my own, then it works fine again... So do I somehow need to seperate what DNS's to use on what nets? I already use sepperate DNS settings when I connect using my 3G modem, but when I use hotspots it seems to use the same settings regardless (at least in the train), also can it differ wired connections?... Is there another solution? OS: Windows 7 Ultimate, x64 EDIT: Currently trying this "hack/fix" out for the time being: http://blog.johnruiz.com/2011/12/windows-does-not-always-honor-dns-order.html

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• How do I compile DarWINE in PowerPC Mac OS X 10.4.11...?

  - by Craig W. Davis

  So far I've tried using MacPorts which gives me this error: /Error: Cannot install wine for the arch(s) 'powerpc' because Error: its dependency pkgconfig is only installed for the archs 'i386 ppc'. Error: Unable to execute port: architecture mismatch To report a bug, etc... (I'm not allowed to post two links due to being a new poster...)./ I've also tried using the build script I found in the DarWINE 0.9.12 SDK download that I found on the DarWINE SourceForge.net Project Page... I've also tried the build script that I found at http://code.google.com/p/osxwinebuilder/#Building_Wine_via_the_script... None of these attempts to build DarWINE have actually worked. Whenever I build using the DarWINE build script I run it as follows: /1. I decompress the WINE tarball into ~/Downloads/WINE 2. I cd into ~/Downloads/DarWINE. 3. I run ./winemaker ~/Downloads/WINE/wine-1.2.2 or ./winemaker ~/Downloads/WINE/wine-1.2-rc2 (the reason for trying WINE 1.2-rc2 is that some people managed to get it to build on PowerPC Macs running 10.5.8...)./ I made sure to install Xcode Tools 2.5 & all the SDKs too... The net result is either a syntax type error resulting from trying to run the checked out Google Code DarWINE build script or a bunch of make errors when trying to run the official DarWINE build script that I forcefully extracted from the DarWINE 0.9.12 SDK .dmg file by using Pacifist. I trying to build DarWINE on mid-April 2006 1.42 GHz eMac with DL SuperDrive with Bluetooth 2.0+EDR with 2 GBs of RAM running 10.4.11 as I mentioned earlier... (it came with 10.4.4 on the Mac's Restore DVD-ROM that I ordered from 1-800-SOS-APPL & coconutIdentityCard told me it was made on April 12th 2006 & I know that's right because when I reinstalled Mac OS X 10.4.4 it displayed that it was registered/previously owned by a Hawaiian school...): /make[1]: winegcc: Command not found make[1]: * [main.o] Error 127 make: * [dlls/acledit] Error 2./

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• rsyslog - template - regex data for insertion into db

  - by Mike Purcell

  I've been googling around the last few days looking for a solid example of how to regex a log entry for desired data, which is then to be inserted into a database, but apparently my google-fu is lacking. What I am trying to do is track when an email is sent, and then track the remote mta response, specifically the dsn code. At this point I have two templates setup for each situation: # /etc/rsyslog.conf ... $Template tpl_custom_header, "MPurcell: CUSTOM HEADER Template: %msg%\n" $Template tpl_response_dsn, "MPurcell: RESPONSE DSN Template: %msg%\n" # /etc/rsyslog.d/mail if $programname == 'mail-myapp' then /var/log/mail/myapp.log if ($programname == 'mail-myapp') and ($msg contains 'X-custom_header') then /var/log/mail/test.log;tpl_custom_header if ($programname == 'mail-myapp') and ($msg contains 'dsn=') then /var/log/mail/test.log;tpl_response_dsn & ~ Example log entries: MPurcell: CUSTOM HEADER Template: D921940A1A: prepend: header X-custom_header: 101 from localhost[127.0.0.1]; from=<[email protected]> to=<[email protected]> proto=ESMTP helo=<localhost>: headername: message-id MPurcell: RESPONSE DSN Template: D921940A1A: to=<[email protected]>, relay=gmail-smtp-in.l.google.com[2607:f8b0:400e:c02::1a]:25, delay=2, delays=0.12/0.01/0.82/1.1, dsn=2.0.0, status=sent (250 2.0.0 OK 1372378600 o4si2828280pac.279 - gsmtp) From the CUSTOM HEADER Template I would like to extract: D921940A1A, and X-custom_header value; 101 From the RESPONSE DSN Template I would like to extract: D921940A1A, and "dsn=2.0.0"

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• Installing mod_pagespeed (Apache module) on CentOS

  - by Sid B

  I have a CentOS (5.7 Final) system on which I already have Apache (2.2.3) installed. I have installed mod_pagespeed by following the instructions on: http://code.google.com/speed/page-speed/download.html and got the following while installing: # rpm -U mod-pagespeed-*.rpm warning: mod-pagespeed-beta_current_x86_64.rpm: Header V4 DSA signature: NOKEY, key ID 7fac5991 [ OK ] atd: [ OK ] It does appear to be installed properly: # apachectl -t -D DUMP_MODULES Loaded Modules: ... pagespeed_module (shared) And I've made the following changes in /etc/httpd/conf.d/pagespeed.conf Added: ModPagespeedEnableFilters collapse_whitespace,elide_attributes ModPagespeedEnableFilters combine_css,rewrite_css,move_css_to_head,inline_css ModPagespeedEnableFilters rewrite_javascript,inline_javascript ModPagespeedEnableFilters rewrite_images,insert_img_dimensions ModPagespeedEnableFilters extend_cache ModPagespeedEnableFilters remove_quotes,remove_comments ModPagespeedEnableFilters add_instrumentation Commented out the following lines in mod_pagespeed_statistics <Location /mod_pagespeed_statistics> **# Order allow,deny** # You may insert other "Allow from" lines to add hosts you want to # allow to look at generated statistics. Another possibility is # to comment out the "Order" and "Allow" options from the config # file, to allow any client that can reach your server to examine # statistics. This might be appropriate in an experimental setup or # if the Apache server is protected by a reverse proxy that will # filter URLs in some fashion. **# Allow from localhost** **# Allow from 127.0.0.1** SetHandler mod_pagespeed_statistics </Location> As a separate note, I'm trying to run the prescribed system tests as specified on google's site, but it gives the following error. I'm averse to updating wget on my server, as I'm sure there's no need for it for the actual module to function correctly. ./system_test.sh www.domain.com You have the wrong version of wget. 1.12 is required.

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• HTTP responses curl and wget different results

  - by Fab

  To check HTTP response header for a set of urls I send with curl the following request headers foreach ( $urls as $url ) { // Setup headers - I used the same headers from Firefox version 2.0.0.6 $header[ ] = "Accept: text/xml,application/xml,application/xhtml+xml,"; $header[ ] = "text/html;q=0.9,text/plain;q=0.8,image/png,*/*;q=0.5"; $header[ ] = "Cache-Control: max-age=0"; $header[ ] = "Connection: keep-alive"; $header[ ] = "Keep-Alive: 300"; $header[ ] = "Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.7"; $header[ ] = "Accept-Language: en-us,en;q=0.5"; $header[ ] = "Pragma: "; // browsers keep this blank. curl_setopt( $ch, CURLOPT_URL, $url ); curl_setopt( $ch, CURLOPT_USERAGENT, 'Googlebot/2.1 (+http://www.google.com/bot.html)'); curl_setopt( $ch, CURLOPT_HTTPHEADER, $header); curl_setopt( $ch, CURLOPT_REFERER, 'http://www.google.com'); curl_setopt( $ch, CURLOPT_HEADER, true ); curl_setopt( $ch, CURLOPT_NOBODY, true ); curl_setopt( $ch, CURLOPT_RETURNTRANSFER, true ); curl_setopt( $ch, CURLOPT_FOLLOWLOCATION, true ); curl_setopt( $ch, CURLOPT_HTTPAUTH, CURLAUTH_ANY ); curl_setopt( $ch, CURLOPT_TIMEOUT, 10 ); //timeout 10 seconds } Sometimes I receive 200 OK which is good other time 301, 302, 307 which I consider good as well, but other times I receive weird status as 406, 500, 504 which should identify an invalid url but when I open it on the browser they are fine for example the script returns http://www.awe.co.uk/ => HTTP/1.1 406 Not Acceptable and wget returns wget http://www.awe.co.uk/ --2011-06-23 15:26:26-- http://www.awe.co.uk/ Resolving www.awe.co.uk... 77.73.123.140 Connecting to www.awe.co.uk|77.73.123.140|:80... connected. HTTP request sent, awaiting response... 200 OK Does anyone know which request header I am missing or adding in excess?

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• How to install pip/easy_install on debian 6 for python3.2

  - by atomAltera

  I'm trying to install pip or setup tools form python 3.2 in debian 6. First case: apt-get install python3-pip...OK python3 easy_install.py webob Searching for webob Reading http://pypi.python.org/simple/webob/ Reading http://webob.org/ Reading http://pythonpaste.org/webob/ Best match: WebOb 1.2.2 Downloading http://pypi.python.org/packages/source/W/WebOb/WebOb-1.2.2.zip#md5=de0f371b46554709ce5b93c088a11cae Processing WebOb-1.2.2.zip Traceback (most recent call last): File "easy_install.py", line 5, in <module> main() File "/usr/lib/python3/dist-packages/setuptools/command/easy_install.py", line 1931, in main with_ei_usage(lambda: File "/usr/lib/python3/dist-packages/setuptools/command/easy_install.py", line 1912, in with_ei_usage return f() File "/usr/lib/python3/dist-packages/setuptools/command/easy_install.py", line 1935, in <lambda> distclass=DistributionWithoutHelpCommands, **kw File "/usr/local/lib/python3.2/distutils/core.py", line 148, in setup dist.run_commands() File "/usr/local/lib/python3.2/distutils/dist.py", line 917, in run_commands self.run_command(cmd) File "/usr/local/lib/python3.2/distutils/dist.py", line 936, in run_command cmd_obj.run() File "/usr/lib/python3/dist-packages/setuptools/command/easy_install.py", line 368, in run self.easy_install(spec, not self.no_deps) File "/usr/lib/python3/dist-packages/setuptools/command/easy_install.py", line 608, in easy_install return self.install_item(spec, dist.location, tmpdir, deps) File "/usr/lib/python3/dist-packages/setuptools/command/easy_install.py", line 638, in install_item dists = self.install_eggs(spec, download, tmpdir) File "/usr/lib/python3/dist-packages/setuptools/command/easy_install.py", line 799, in install_eggs unpack_archive(dist_filename, tmpdir, self.unpack_progress) File "/usr/lib/python3/dist-packages/setuptools/archive_util.py", line 67, in unpack_archive driver(filename, extract_dir, progress_filter) File "/usr/lib/python3/dist-packages/setuptools/archive_util.py", line 154, in unpack_zipfile data = z.read(info.filename) File "/usr/local/lib/python3.2/zipfile.py", line 891, in read with self.open(name, "r", pwd) as fp: File "/usr/local/lib/python3.2/zipfile.py", line 980, in open close_fileobj=not self._filePassed) File "/usr/local/lib/python3.2/zipfile.py", line 489, in __init__ self._decompressor = zlib.decompressobj(-15) AttributeError: 'NoneType' object has no attribute 'decompressobj' Second case: from http://pypi.python.org/pypi/distribute#installation-instructions python3 distribute_setup.py Downloading http://pypi.python.org/packages/source/d/distribute/distribute-0.6.28.tar.gz Extracting in /tmp/tmpv6iei2 Traceback (most recent call last): File "distribute_setup.py", line 515, in <module> main(sys.argv[1:]) File "distribute_setup.py", line 511, in main _install(tarball, _build_install_args(argv)) File "distribute_setup.py", line 73, in _install tar = tarfile.open(tarball) File "/usr/local/lib/python3.2/tarfile.py", line 1746, in open raise ReadError("file could not be opened successfully") tarfile.ReadError: file could not be opened successfully Third case: from http://pypi.python.org/pypi/distribute#installation-instructions tar -xzvf distribute-0.6.28.tar.gz cd distribute-0.6.28 python3 setup.py install Before install bootstrap. Scanning installed packages No setuptools distribution found running install running bdist_egg running egg_info writing distribute.egg-info/PKG-INFO writing top-level names to distribute.egg-info/top_level.txt writing dependency_links to distribute.egg-info/dependency_links.txt writing entry points to distribute.egg-info/entry_points.txt reading manifest file 'distribute.egg-info/SOURCES.txt' reading manifest template 'MANIFEST.in' writing manifest file 'distribute.egg-info/SOURCES.txt' installing library code to build/bdist.linux-x86_64/egg running install_lib running build_py copying distribute.egg-info/PKG-INFO -> build/bdist.linux-x86_64/egg/EGG-INFO copying distribute.egg-info/SOURCES.txt -> build/bdist.linux-x86_64/egg/EGG-INFO copying distribute.egg-info/dependency_links.txt -> build/bdist.linux-x86_64/egg/EGG-INFO copying distribute.egg-info/entry_points.txt -> build/bdist.linux-x86_64/egg/EGG-INFO copying distribute.egg-info/top_level.txt -> build/bdist.linux-x86_64/egg/EGG-INFO creating 'dist/distribute-0.6.28-py3.2.egg' and adding 'build/bdist.linux-x86_64/egg' to it Traceback (most recent call last): File "setup.py", line 220, in <module> scripts = scripts, File "/usr/local/lib/python3.2/distutils/core.py", line 148, in setup dist.run_commands() File "/usr/local/lib/python3.2/distutils/dist.py", line 917, in run_commands self.run_command(cmd) File "/usr/local/lib/python3.2/distutils/dist.py", line 936, in run_command cmd_obj.run() File "build/src/setuptools/command/install.py", line 73, in run self.do_egg_install() File "build/src/setuptools/command/install.py", line 93, in do_egg_install self.run_command('bdist_egg') File "/usr/local/lib/python3.2/distutils/cmd.py", line 313, in run_command self.distribution.run_command(command) File "/usr/local/lib/python3.2/distutils/dist.py", line 936, in run_command cmd_obj.run() File "build/src/setuptools/command/bdist_egg.py", line 241, in run dry_run=self.dry_run, mode=self.gen_header()) File "build/src/setuptools/command/bdist_egg.py", line 542, in make_zipfile z = zipfile.ZipFile(zip_filename, mode, compression=compression) File "/usr/local/lib/python3.2/zipfile.py", line 689, in __init__ "Compression requires the (missing) zlib module") RuntimeError: Compression requires the (missing) zlib module zlib1g-dev installed Help me please

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• Change OpenVZ route to pass through ip failover

  - by Kevin Campion

  I have one dedicaced server with its own IP and another IP (failover) who refer to the first. I will wish to change the gateway of a Proxmox virtual machine (openvz) who runs on this dedicaced server to go through the failover IP rather than the ip of host main server. Once connected to a virtual machine, when I do a traceroute VE# traceroute www.google.fr traceroute to www.google.fr (209.85.229.104), 30 hops max, 60 byte packets 1 MY_SERVER_NAME.ovh.net (xxx.xxx.xxx.xxx FIRST_IP_MAIN_SERVER) 0.021 ms 0.010 ms 0.009 ms The first line tells me the ip of host main server. I would like that the traceroute display the second IP failover. VE# route Kernel IP routing table Destination Gateway Genmask Flags Metric Ref Use Iface 192.0.2.1 * 255.255.255.255 UH 0 0 0 venet0 default 192.0.2.1 0.0.0.0 UG 0 0 0 venet0 With iptables HOST# iptables -t nat -L Chain POSTROUTING (policy ACCEPT) target prot opt source destination MASQUERADE all -- anywhere anywhere MASQUERADE all -- anywhere anywhere SNAT tcp -- anywhere 10.10.101.2 tcp dpt:www state NEW,RELATED,ESTABLISHED,UNTRACKED to:SECOND_IP_FAILOVER SNAT all -- 10.10.101.2 anywhere to:SECOND_IP_FAILOVER 10.10.101.2 is the virtual machine IP (interface venet0) Any ideas ?

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