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• Open source tomcat log viewer

  - by Ari

  I'm managing several tomcat instances (aprox 30-35) and looking for some console to centralize the logs. I tried php-syslog-ng before (no with tomcat), and found it useful. I would like that these software would have some of these features: -Syntax highlight according to the severity of the exceptions. -Tree view for stack traces and nested exceptions. Bonus point: -Alarm when certain pattern is matched.

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• Enabling syntax highlighting for LESS in Programmer's Notepad?

  - by Cody Gray

  When I don't feel like firing up the Visual Studio behemoth, or when I don't have it installed, I always turn to Programmer's Notepad. It's an amazingly light and fast little text editor, with the special advantage that it is completely platform-native and conforms to standard UI conventions. Therefore, please do not suggest that I consider using other text editors. I've already considered and rejected them because they do not use native UI controls. I like Programmer's Notepad, thank you very much. Unfortunately, I've recently begun to learn, use, and love LESS for all of my CSS coding needs, and it appears that Programmer's Notepad is not bundled with a syntax highlighting scheme for LESS. Does anyone know if there is—by chance and good fortune—one already available somewhere on the web that some kind soul has tediously prepared? If not, how can I go about writing one of my own? Is there a way to build on the existing CSS scheme? It's also possible that any code coloring scheme designed for Scintilla-based editors will work, as Programmer's Notepad is based on the Scintilla control. If you know of a LESS highlighting scheme for Scintilla-based editors, and how to use that with Programmer's Notepad, please suggest that as well.

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• Find the source of malware?

  - by Jud Stephenson

  I have a server that was running an older version of lighttpd (1.4.19 on a freebsd 6.2-RELEASE (yea, old) machine) and google alerted me that it had found malware embedded on one of my server's pages. It just so happened to be our index page. I promptly removed the malware and started looking at server logs for how it got there. With no trace in any of the logs of the files being edited, I noticed that the index page's owner had been changed to www, which is the lighttpd user. I then concluded that some sort of veunerability must have existed for that software version and promptly upgraded to 1.4.26. Now the malware is back. I have started some pretty verbose server logging with ftp, lighttpd, and all login attempts to try and see how this script is getting in. Are their any suggestions as to other approaches to take?

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• Problems configuring DB2 CLI/ODBC System DSN ODBC Data Source Administrator

  - by Komyg

  I am trying to create a System DSN ODBC connection to a DB2 9.5 database, but I am getting a very strange problem. I've looked through the internet and found the following page that has some instructions on how I should proceed: http://www.ryslander.com/how-to-install-and-configure-db2-odbc-driver/. I followed these instructions and I am able to create a new System DSN, however when I try to configure it it seems as if my configurations don't work at all. For example, when I click on the "Configure" button on my System DSN and I add a TCP/IP protocol configuration on the "Advanced Settings" tab and click "Ok", no errors appear, but when I click on "Configure" again my TCP/IP setting has vanished. This happened to all my other configurations, such as database name, username, password etc. Could you help me figure out what I am doing wrong? Note: my user is in the administrator group and I am using a Windows Server 2008 R2 Enterprise x64. UPDATE I managed to create a User DSN and connect to the database. However the problem with the System DSN remains.

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• Detecting source of memory usage on a Linux box

  - by apeace

  I have a toy Linux box with 256mb RAM running Ubuntu 10.04.1 LTS. Here is the output of free -m: total used free shared buffers cached Mem: 245 122 122 0 19 64 -/+ buffers/cache: 38 206 Swap: 511 0 511 Unless I'm reading this wrong, 122mb is being used and only 84mb of that is disk cache. Here are all processes I'm running sorted by memory usage (ps -eo pmem,pcpu,rss,vsize,args | sort -k 1 -r): %MEM %CPU RSS VSZ COMMAND 5.0 0.0 12648 633140 node /home/node/main/sites.js 1.5 0.0 3884 251736 /usr/sbin/console-kit-daemon --no-daemon 1.3 0.0 3328 77108 sshd: apeace [priv] 0.9 0.0 2344 19624 -bash 0.7 0.0 1776 23620 /sbin/init 0.6 0.0 1624 77108 sshd: apeace@pts/0 0.6 0.0 1544 9940 redis-server /etc/redis/redis.conf 0.6 0.0 1524 25848 /usr/sbin/ntpd -p /var/run/ntpd.pid -g -u 103:105 0.5 0.0 1324 119880 rsyslogd -c4 0.4 0.0 1084 49308 /usr/sbin/sshd 0.4 0.0 1028 44376 /usr/sbin/exim4 -bd -q30m 0.3 0.0 904 6876 ps -eo pmem,pcpu,rss,vsize,args 0.3 0.0 888 21124 cron 0.3 0.0 868 23472 dbus-daemon --system --fork 0.2 0.0 732 19624 -bash 0.2 0.0 628 6128 /sbin/getty -8 38400 tty1 0.2 0.0 628 16952 upstart-udev-bridge --daemon 0.2 0.0 564 16800 udevd --daemon 0.2 0.0 552 16796 udevd --daemon 0.2 0.0 548 16796 udevd --daemon 0.0 0.0 0 0 [xenwatch] 0.0 0.0 0 0 [xenbus] 0.0 0.0 0 0 [sync_supers] 0.0 0.0 0 0 [netns] 0.0 0.0 0 0 [migration/3] 0.0 0.0 0 0 [migration/2] 0.0 0.0 0 0 [migration/1] 0.0 0.0 0 0 [migration/0] 0.0 0.0 0 0 [kthreadd] 0.0 0.0 0 0 [kswapd0] 0.0 0.0 0 0 [kstriped] 0.0 0.0 0 0 [ksoftirqd/3] 0.0 0.0 0 0 [ksoftirqd/2] 0.0 0.0 0 0 [ksoftirqd/1] 0.0 0.0 0 0 [ksoftirqd/0] 0.0 0.0 0 0 [ksnapd] 0.0 0.0 0 0 [kseriod] 0.0 0.0 0 0 [kjournald] 0.0 0.0 0 0 [khvcd] 0.0 0.0 0 0 [khelper] 0.0 0.0 0 0 [kblockd/3] 0.0 0.0 0 0 [kblockd/2] 0.0 0.0 0 0 [kblockd/1] 0.0 0.0 0 0 [kblockd/0] 0.0 0.0 0 0 [flush-202:1] 0.0 0.0 0 0 [events/3] 0.0 0.0 0 0 [events/2] 0.0 0.0 0 0 [events/1] 0.0 0.0 0 0 [events/0] 0.0 0.0 0 0 [crypto/3] 0.0 0.0 0 0 [crypto/2] 0.0 0.0 0 0 [crypto/1] 0.0 0.0 0 0 [crypto/0] 0.0 0.0 0 0 [cpuset] 0.0 0.0 0 0 [bdi-default] 0.0 0.0 0 0 [async/mgr] 0.0 0.0 0 0 [aio/3] 0.0 0.0 0 0 [aio/2] 0.0 0.0 0 0 [aio/1] 0.0 0.0 0 0 [aio/0] Now, I know that ps is not the best for viewing process memory usage, but that's because it tends to report more memory than is actually being used...meaning no matter how you look at it all my processes combined shouldn't be using near 122mb, even if you account for the disk cache. What's more, memory usage is growing all the time. I've had to restart my server once a week, because once my 256mb fills up it starts swapping, which it wouldn't do just for disk cache. Shouldn't there be some way for me to see the culprit?! I'm new to server admin, so please if there's something obvious I'm overlooking point it out to me. Just for good measure, the output of cat /proc/meminfo: MemTotal: 251140 kB MemFree: 124604 kB Buffers: 20536 kB Cached: 66136 kB SwapCached: 0 kB Active: 65004 kB Inactive: 37576 kB Active(anon): 15932 kB Inactive(anon): 164 kB Active(file): 49072 kB Inactive(file): 37412 kB Unevictable: 0 kB Mlocked: 0 kB SwapTotal: 524284 kB SwapFree: 524284 kB Dirty: 8 kB Writeback: 0 kB AnonPages: 15916 kB Mapped: 10668 kB Shmem: 188 kB Slab: 18604 kB SReclaimable: 10088 kB SUnreclaim: 8516 kB KernelStack: 536 kB PageTables: 1444 kB NFS_Unstable: 0 kB Bounce: 0 kB WritebackTmp: 0 kB CommitLimit: 649852 kB Committed_AS: 64224 kB VmallocTotal: 34359738367 kB VmallocUsed: 752 kB VmallocChunk: 34359737600 kB DirectMap4k: 262144 kB DirectMap2M: 0 kB EDIT: I had misinterpreted the meaning of free -m at first. But even so: the important thing is that my OS eventually begins to use swap memory if I don't restart my server, which disk caching wouldn't do. So where do I look to see what is using all this memory?

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• Open source Distributed computing tool

  - by Prasenjit Chatterjee

  I want to set up distributed computing on my Local Area Network consisting a bunch of PCs. Say for the time being each one has the same OS - Windows 7. Is there any opensource tool available so that I can share the resources of these PCs over the LAN and increase the speed of my applications and the memory space. I know that if its a graphics intensive application then, it is not very practical, because the speed of LAN is much slower than Graphics processors. But I only want to share general applications, some basic softwares, Programming language IDEs etc. Can anyone shed some light on it? Thanks in Advance..

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• how to make Facebook FBML code - Valid

  - by Athul

  Facebook FBML codes shows invalid The code i need is a Facebook Fan Box widget. Make a code for a sample for facebook fan widget having Stream and Fans Please test the code with http://validator.w3.org/check & share with me You may find that every FBML code is INVALID

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• iptables prerouting to redirect source ip address on ethernet

  - by Kevin Campion

  I have 2 ip adresses on the Internet who redirect on the same machine. On this machine, one Debian runs on OpenVZ. I can set iptables rules to redirect all http request to the Debian. iptables prerouting -d ip_address_2 DNAT --to ip_address_local_1 +--------------+ | | | V | ip_address_local_1 I| +------+ +----------+ N|ip_address_1 | |-----|Debian1 VE|-- Apache's log T|-----------------|OpenVZ| +----------+ [client ip_address_1] E| | | | R|ip_address_2 | | | N|--------------+ | | E| +------+ T| Iptables' rules : iptables -t nat -A PREROUTING -p tcp -i eth0 -d ip_address_2 --dport 80 -j DNAT --to ip_address_local_1:80 iptables -A FORWARD -p tcp -i eth0 -o venet0 -d ip_address_local_1 --dport 80 -j ACCEPT iptables -A FORWARD -p tcp -i venet0 -o eth0 -s ip_address_local_1 --sport 80 -j ACCEPT When I go to webpage with "http://ip_address_2", I can see the good content but the ip address on access log file is ip_address_1, I would like to see my ISP's ip address. Any ideas?

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• Open Source Dictionary/Thesaurus for iPhone?

  - by lostInTransit

  Hi I am porting my Android app to the iPhone. It uses an integrated dictionary. While for the Android app, I use DictionaryForMIDs (with some modifications of my own), I could not find any such products for the iPhone. Anyone aware of any such products? Thanks.

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• combining sed with xargs to obtain a source and output file name

  - by Lytithwyn

  I have a situation where I have some input files like this: M2U0001.MPG M2U0180.MPG And I want to run a command (in a bash shell) on each similarly named file in the directory. I'd like the current file name to be given to this command as an input and a modified version of the filename to be given as an output file. Here's an example: ffmpeg -i M2U0001.MPG M2U0001_fixed.MPG I had the idea of using xargs and sed, but this is as far as I got: ls -1 *.MPG | xargs -I{} ffmpeg -i {} `echo {} | sed -r 's/[0-9]{2,}/&_fixed/'` But this results in the original filename being output in both positions. Am I totally going about this the wrong way? I found that if I echo the filename directly to the embedded chunk like this it works: echo M2U0001.MPG | sed -r 's/[0-9]{2,}/&_fixed/'

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• Strange Jmeter connection refuse on Tomcat

  - by Tommy

  I tried difference setting in Jmeter and Tomcat. If the Threads number in JMeter is 1~200, Then tomcat is okay. If It is 300, Then after serving few requests, tomcat starts to output errors. Here is the error show in JMeter java.net.ConnectException: Connection refused: connect at java.net.PlainSocketImpl.socketConnect(Native Method) at java.net.PlainSocketImpl.doConnect(Unknown Source) at java.net.PlainSocketImpl.connectToAddress(Unknown Source) at java.net.PlainSocketImpl.connect(Unknown Source) at java.net.SocksSocketImpl.connect(Unknown Source) at java.net.Socket.connect(Unknown Source) at java.net.Socket.connect(Unknown Source) at sun.net.NetworkClient.doConnect(Unknown Source) at sun.net.www.http.HttpClient.openServer(Unknown Source) at sun.net.www.http.HttpClient.openServer(Unknown Source) at sun.net.www.http.HttpClient.<init>(Unknown Source) at sun.net.www.http.HttpClient.New(Unknown Source) at sun.net.www.http.HttpClient.New(Unknown Source) at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(Unknown Source) at sun.net.www.protocol.http.HttpURLConnection.plainConnect(Unknown Source) at sun.net.www.protocol.http.HttpURLConnection.connect(Unknown Source) at org.apache.jmeter.protocol.http.sampler.HTTPJavaImpl.sample(HTTPJavaImpl.java:483) at org.apache.jmeter.protocol.http.sampler.HTTPSamplerProxy.sample(HTTPSamplerProxy.java:62) at org.apache.jmeter.protocol.http.sampler.HTTPSamplerBase.sample(HTTPSamplerBase.java:1018) at org.apache.jmeter.protocol.http.sampler.HTTPSamplerBase.sample(HTTPSamplerBase.java:1004) at org.apache.jmeter.threads.JMeterThread.process_sampler(JMeterThread.java:411) at org.apache.jmeter.threads.JMeterThread.run(JMeterThread.java:297) at java.lang.Thread.run(Unknown Source) My tomcat server.xml in eclipse <!--The connectors can use a shared executor, you can define one or more named thread pools--> <Executor name="tomcatThreadPool" namePrefix="catalina-exec-" maxThreads="2000" minSpareThreads="250" acceptCount="2000"/> <Connector executor="tomcatThreadPool" URIEncoding="UTF-8" connectionTimeout="20000" port="8080" protocol="HTTP/1.1" redirectPort="8443" /> Any idea why this is happening ? How do i check the server.xml is correctly used? It is a JSF2 application if it helps. Thanks in advance.

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• Overwrite old hmtl - with new html -

  - by SolarAngellis

  there is some way to modify multiple html file in multiple folders ? I want to apply a new html design template over an old html website , the website it is quite big , and doing this manually will take me quite a long time for example , Template A and Template B website Template B it is a complete website , but i want a program to overwrite parts of the code , i need title / meta tags / and elements to remain , while the rest of the template will change i know about notepad++ but i don't know how to set it up to give me the right output

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• SSIS DSN Not Showing as ODBC Data Source

  - by user1114330

  I have been following the directions here: http://social.msdn.microsoft.com/Forums/en-US/sqlintegrationservices/thread/05ccd778-b78c-4a83-a10a-c4ae412cc6e4 And ran into a problem where my System DSN is not showing up as a ODBC provider. I found this which seemed promising: http://support.microsoft.com/kb/2000277 I was not able to delete the key but followed but I did what was suggested: "If unable to delete the key, double-click the key and erase the Data value entered. Once done, the value should read ' (value not set) '" However, after following the instructions my System DSN still does not appear as an option. The USER DSN however does show...has shown but does not work as I get a permissions error. Any ideas?

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• Configure Mouse Buttons for "Administrator"/Elevated privileges

  - by Zhaph - Ben Duguid

  I am, for better or worse, an administrator on my Windows 7 machine. However, even then, I still need to run certain programs "as Administrator" - for example, Visual Studio 2008 when working with local IIS sites. I also like to have the extra buttons on my IntelliMouse Optical doing non-standard things, like representing Ctrl and Shift. However, when in VS running as administrator, these settings aren't picked up, just like my mapped drives aren't picked up - I would understand this if I was logging in as a different user, supplying credentials, etc, but I'm not, I'm just pressing "Yes" at the UAC prompt. Normally, I'd just right click the item in the start menu and select "Run as administrator", but that's not an option on the context menu for either the Microsoft IntelliPoint Mouse application that appears under "Programs", nor the "Mouse" control panel item. Running the control panel as administrator also doesn't seem to help. So has any one got any suggestions on how I can configure my mouse buttons for the elevated version of me that Visual Studio is running as?

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• Open source alternatives for quickbooks?

  - by fragsworth

  Not much else to ask about this. I'd like something that runs in linux. Any suggestions?

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• Socat and rich terminals (with Ctrl+C/Ctrl+Z/Ctrl+D propagation)

  - by Vi

  socat - exec:'bash -li',pty,stderr,ctty - bash: no job control in this shell What options should I use to get fully fledged shell as I get with ssh/sshd? I want to be able to connect the shell to everything socat can handle (SOCKS 5, UDP, OpenSSL), but also to have a nice shell which correctly interprets all keys, various Ctrl+C/Ctrl+Z, tab completion, up/down keys (with remote history). Update: Found "setsid" socat option. It fixes "no job control". Now trying to fix Ctrl+D. Update 2: socat file:`tty`,raw,echo=0 exec:'bash -li',pty,stderr,setsid,sigint,sane. Not it handles Ctrl+D/Ctrl+Z/Ctrl+C well, I can start Vim inside it, remote history is OK.

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• Troubleshooting source of heavy resource-usage on a windows server 2008 running multiple sites

  - by batman_man

  Hi, I am running about 10 asp.net websites on a hosted virtual server. The server runs Server 2008 - each website is backed by its own database running on SQL server 2008 on the same box. Lately the box has seemed really slow. The only kind of discovery i could think of doing was looking in the task manager, where i can see w3wp and sqlserver.exe jumping to 40% cpu usage every 5-10 seconds. What are the steps i can take to determine which of my websites is taking these resources and or what database is getting hit the most? I have of course ssms installed on the machine as well. As you can tell, my sysadmin skills are very very limited - any help would be much appreciated.

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• securing source code with bitlocker

  - by Daniel Powell

  We need to deploy a web based application at a client site where it will be within their local intranet. Part of our requirement is to provide some basic security to protect our IP. I realise that nothings a 100% guaranteed fix but we are just looking to make it a bit harder for most people. The server will be running server 2008 and I was considering using bitlocker as a cheap and nasty way to protect it. From what I understand assuming the mobo supports it we can use the Transparent bitlocker mode and this means that moving the hdd to another pc will mean the hdd will be unreadable in that machine baring some sort of cold boot attack to steal the encryption keys. Is this assumption correct and in the case that the motherboard or any other component fails in the pc and we need to replace it do we lose access to our data or is there a way to unencrypt it (obviously accessible to only our company) EDIT: we do have legal documents that cover this and we will be locking the pc physically and the client will not have access to the pc (windows login) other than via the website we host on it

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• Online Source for Rackmount Server Shipping Box

  - by prs563

  Hi guys, I have three Dell rackmount servers (2 2U, 1 4U) that I need to ship from Las Vegas to New York. Old shipping boxes that came with the servers were discarded sometime ago. Where can I buy some that fit nicely and can be shipped by UPS or Fedex? I've tried UPS, Fedex, and Uhaul already. Thanks in advance.

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• Remote installation and configuration software, preferrably open source

  - by Brimstedt

  Hello, Im looking for some remote-installation software. I've looked briefly at unattended, opsi and a bunch of stuff, but there is nowhere near enough time to evaluate them all, and they are rather complex to setup so some insight would be very appreciated. This is foremost for windows clients, but linux support would be good. Something like apt-get would've been great. Requirements: Simple to setup and use Set up groups of users (developers, management, sales, etc) Chose which software to be installed for different groups Add new software to groups and it will be automatically installed on client Dependencies between software Nice-to-have: Linux client support OS-unattended installation thanks in advance

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• Use all 5.1 speakers with a 2.1 audio source

  - by thegreyspot

  Hi! I just bought a 5.1 surround sound speaker set for my computer in my bedroom. The rear speakers are next to me in bed while the front speakers are at the other end of the bed at my feet. While I enjoy the surround sound during movies that support 5.1 sound, I would like to have my rear speakers working when listening to podcasts, or other 2.1 channel sound. How can I do this? When I enable "Speaker Fill" in the Realtek Hd Audio manager the sound only comes out of the front and center speakers with a few background noises that come out the rear ones. But since my ears are closer to the rear speakers, I'd rather have the sound come out of them. Let me know of any ideas! Hmm seems like the only option is to set the rear speakers to "Front Speakers" and change it to stereo in the Realtek HD audio. But still that take alot of steps and it doesnt not use the center speaker Thanks

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• Good source of reviews of CULV machines?

  - by Jason Sundram

  I'm potentially interested in acquiring a CULV machine. I like the idea of a netbook, but need a little more horsepower. So, of course, I need to obsess over a hundred different reviews first. Can you recommend some good sources of CULV reviews? Anandtech recently ran a roundup, but I'd prefer sites that have ongoing CULV coverage. Thanks!

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• Tracking changes to firewall configs?

  - by jmreicha

  Myself and one other indivdual will be taking over some of the daily firewall management duties soon and I'm looking for a way to track changes on our firewall configurations for auditing purposes and need some ideas on a good way to track changes the changes that are made. I don't have a lot of specific criteria but here are some of the basic things I would like to be able to do: Access to previous revisions of firewall configs Access to changes made and by whom When specific changes were made I'm wondering if some sort of revision control software would work here as a way to track the the changes? Or if some other approach would work better for managing the change control in this situation. I'm open to any and all suggestions at this point. EDIT: We are using a Checkpoint pair, one passive one active configuration. I will update again with specific model numbers when I get a chance.

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• hiera data source in using puppet syntax?

  - by Zoredache

  The documentation for hiera on docs.puppetlabs.com seems to give me the impression that I can use puppet syntax to describe my data. Or posssibly will be able to in the future. See: Coming soon. Is this functionality present in a release version of puppet, and just not documented, or is this still being developed? If this functionality is present, does anyone have examples of how to actually use this? The presence of the puppet_backend.rb file on my system gives which was part of the puppetmaster package makes me thing that this functionality is present, but just not documented. So I am trying to figure out how to actually use this.

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• How to set JS source directory in apache2?

  - by highBandWidth

  I am trying to run a very basic webserver for development/debugging. The static HTML seems to be delivered correctly, but it seems that the JavaScript libraries are not being delivered to the browser. The page HTML says something like <html> <head> <script type='text/javascript' src="/lib/json.js"></script> ... Now, I have set up a link for /lib/ in my httpd.conf as: Scriptalias /lib/ "/SomeFolder/lib/" When I do this, it can't fetch the files because this is what I see in my apache error log: ... [error] [client ::1] client denied by server configuration: /SomeFolder/lib/json.js, referer: http://localhost/SomeSite It seems that apache is not allowing access to the folder, so I add this to httpd.conf: Directory "/SomeFolder/lib/"> Allow from all </Directory> After this, browsing the page still does not run the JS, instead I see the following error in my apache error log: [error] [client ::1] (13)Permission denied: exec of '/SomeFolder/lib/json.js' failed, referer: http://localhost/SomeSite So now, it seems that apache is trying to run the JS files on the server like a cgi script or something. But I have not made that folder a cgi-bin folder. The only lines where SomeFolder is mentioned by name is in these lines in httpd.conf: Scriptalias /lib/ "/SomeFolder/lib/" Directory "/SomeFolder/lib/"> Allow from all </Directory>

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