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• What service or software should I use to serve advertising on a site with about 120k monthly page views?

  - by JasonBirch

  I have a site that is generating about 120k monthly page views and is being hosted on a shared FreeBSD server where I have access to PHP and MySQL. I am using some custom PHP server-side scripts that give each of my ad networks (AdSense, Tribal Fusion, etc) an adjustable percentage of impressions in each of the ad positions on my pages. I am looking for a better way of managing and measuring the delivery of these ads, and would also like to be able to take direct placements and provide statistics to the clients. I am looking at options including OpenX self-hosted, OpenX community, and Google DoubleClick for Publishers Small Business (DFP), but am having difficulty determining which one will best meet my needs. They all seem to have pretty steep learning curves compared to my simple scripts. What I have taken away so far as the benefit of self-hosting is that I don't have to pay for the service if I exceed a maximum number of ad impressions, while both OpenX Community and DFP have free impression limits. Of course, if I was doing those kind of numbers I'd need to upgrade my hosting account, but I'm not sure even at that point whether it would be cheaper to serve the ads myself than pay for a premium service. Apart from this, I really need insights into what features differentiate these services, why I might want to choose one over another, and if there are any other competing products or service of the same quality that I should look into. Answers from webmasters who have used both (or all three) services and can talk to usability and ease of ad management would be highly appreciated.

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• How to disable password change for openldap user?

  - by Keve

  Considering possible solutions for some improvements I run into this theoretical question and I couldn't find a satisfying answer. Some of you may have first-hand experience with this in practice, so here the question goes: How can I disable password changing for an OpenLDAP user? The account must stay enabled, allowed to log on to workstations and work as usual, but should not be able to change its own password. Can this be done? If so, how difficult is it to implement it? All suggestions are appreciated! For reference: Servers and workstations are to run a mixture of FreeBSD and OpenBSD. Accounts to get password disabled are student or generic workstation accounts. Environment is a school.

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• Extract X11 configuration information from running instance.

  - by kasterma

  Since I had a hard disk die on me, I figured I could easily try some other OS (I usually run Ubuntu). Turns out that Ubuntu flawlessly recognizes my video card and monitor (X11 works right out of the box), and none of the other systems I tried gets anything working (I tried CentOS and FreeBSD). In my now working version of Ubuntu I cannot find a configuration file with information I could try to use with one of the other versions, which makes me guess that it just detects the hardware every time. Can I extract its choice for drivers and configuration options somehow (so I can try these same options in the other systems)?

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• Is it normal for GRUB to take some time (15+s) after I choose what to boot?

  - by zarnaik

  I had been planning to change the background of my bootloader for a while, and finally got to it. Now the black screen I get for quite some time was made clear. It is still GRUB, because the background image stays, while all of the text is gone. Then it just simply shows the Lubuntu loading screen for, usually, not more than 3 seconds. I run Lubuntu 12.10. My question is, is this normal behaviour or is something going wrong, causing GRUB to take longer? Here are the contents of my grub file located at /etc/default/ : # If you change this file, run 'update-grub' afterwards to update # /boot/grub/grub.cfg. # For full documentation of the options in this file, see: # info -f grub -n 'Simple configuration' GRUB_DEFAULT=0 #GRUB_HIDDEN_TIMEOUT=0 GRUB_HIDDEN_TIMEOUT_QUIET=true GRUB_TIMEOUT=5 GRUB_DISTRIBUTOR=`lsb_release -i -s 2> /dev/null || echo Debian` GRUB_CMDLINE_LINUX_DEFAULT="quiet splash" GRUB_CMDLINE_LINUX="" GRUB_BACKGROUND="/usr/share/lubuntu/wallpapers/1210-Windmill_by_Ferran_Reyes.png" # Uncomment to enable BadRAM filtering, modify to suit your needs # This works with Linux (no patch required) and with any kernel that obtains # the memory map information from GRUB (GNU Mach, kernel of FreeBSD ...) #GRUB_BADRAM="0x01234567,0xfefefefe,0x89abcdef,0xefefefef" # Uncomment to disable graphical terminal (grub-pc only) #GRUB_TERMINAL=console # The resolution used on graphical terminal # note that you can use only modes which your graphic card supports via VBE # you can see them in real GRUB with the command `vbeinfo' #GRUB_GFXMODE=640x480 # Uncomment if you don't want GRUB to pass "root=UUID=xxx" parameter to Linux #GRUB_DISABLE_LINUX_UUID=true # Uncomment to disable generation of recovery mode menu entries #GRUB_DISABLE_RECOVERY="true" # Uncomment to get a beep at grub start #GRUB_INIT_TUNE="480 440 1" If you need any other information please tell me and I'll do my best to provide it. :)

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• How can I tell when an FTP is complete?

  - by identry

  I have a cron job that processes files that my client's upload via FTP to my FreeBSD server. The cron job runs once an hour, and normally processing each file only takes a few seconds. The cron job looks in the client's upload directory and moves any new files to a tmp directory. It then processes the file(s) and moves them into a final directory where they are then available to the public through a website. The problem is, every once in awhile, the cron job runs just as a new file is being uploaded. It moves the half-uploaded file to the tmp directory, and tries to process it, and fails, of course. Question: how can I determine if the uploaded file is complete? The only thing I can think of is checking the file size to see if it's changing, but that seems like a kludge. Is there some sort of flag or something that is set when the upload is complete?

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• CVS server configuration

  - by Eugene

  I have a CVS repository on Freebsd and a ssh access. When I use putty client connection is ok. CVSROOT=:/labs/cvs CVS_RSH=ssh But when I try to do checkout with TortoiseCVS CVSROOT :ext:root@server:/labs/cvs error occurs: cvs commit: warning: unrecognized response Access denied' from cvs server cvs commit: warning: unrecognized responseNo supported authentication methods left to try!' from cvs server cvs [commit aborted]: end of file from server (consult above messages if any) Error, CVS operation failed What's wrong? What must I do for successful checkout?

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• Linux: page faults and network filesystems

  - by Alex B

  If a Linux system runs out of physical memory, does it drop inactive executable code pages? I assume the answer is yes, since there is no reason to keep them in swap, so they are simply discarded and re-loaded if necessary (as far as I know, that's what FreeBSD does). If the above is true for Linux, my question is, how does it handle executables run from network filesystems (e.g. NFS)? Does it go and fetch executable pages over the network if there is a page fault?

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• Boost::Thread or fork() : Multithreaded HTTP Proxy

  - by osmano807

  I'm testing boost::thread on a system. It happens that I needed to act as a fork(), because one thread modifies the other variables, even member variables of class I do the project using fork() or is there some alternative still using boost::thread? Basically I run this program in Linux and maybe FreeBSD. It is an http proxy,accept() in main thread, and a function that accepts a class (where there is the file descriptor socket) in a secondary thread that makes the service. Is there a better way to implement a proxy?

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• Why Tokyo Tyrant so slow

  - by Tantra

  I have follow situation tyrant server lunched on freebsd host, like this: ttserver -uas -log /data/tyrant/1.log -sid 1 -thnum 8 -tout 5 /data/tyrant/data/1.tct And i try to communicate this server on windows from python and pyrant-0.3.5: like this: import pyrant; import time; t = pyrant.Tyrant(host="192.168.0.220", port=1978); tbegin = time.time(); for i in xrange(4000000): if i and ((i % 10000) == 0): print time.time() - tbegin; tbegin = time.time(); t[i] = {"text": "ruslan text", "value": i}; and have i think very slow performance about 5-6 per 10,000 records. But if i start this code on the same machine like server(ttserver). Performance are good - about 0.5 sec per 10,000 records What i must do to workaround this problem?

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• Calling C function from DTrace scripts

  - by dmeister

  DTrace is impressive, powerful tracing system originally from Solaris, but it is ported to FreeBSD and Mac OSX. DTrace uses a high-level language called D not unlike AWK or C. Here is an example: io:::start /pid == $1/ { printf("file %s offset %d size %d block %llu\n", args[2]->fi_pathname, args[2]->fi_offset, args[0]->b_bcount, args[0]->b_blkno); } Using the command line sudo dtrace -q -s <name>.d <pid> all IOs originated from that process are logged. My question is if and how it is possible to call custom C functions from a DTrace script to do advanced operations with that tracing data during the tracing itself.

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• recursive find in emacs?

  - by Stephen

  Is there a recursive find function for a find in emacs? I thought the 'nix "find" was implemented in eshell but perhaps not (I've been using it on OS X but it must have been calling FreeBSD's "find")... I know of rgrep, find-grep, grep-find, in emacs, but I don't actually need the grepping part. Perhaps it's a feature in one of dired's functions (though I didn't find it)? Using windows and I miss some 'nix utilities... thought emacs 23.2 might fill in for me.

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• Organization of linking to external libraries in C++

  - by Nicholas Palko

  In a cross-platform (Windows, FreeBSD) C++ project I'm working on, I am making use of two external libraries, Protocol Buffers and ZeroMQ. In both projects, I am tracking the latest development branch, so these libraries are recompiled / replaced often. For a development scenario, where is the best place to keep libprotobuf.{a,lib} and zeromq.{so,dll}? Should I have my build script copy them from their respective project directories into my local project's directory (say MyProjectRoot/lib or MyProjectRoot/bin) before I build my project? This seems preferable to tossing things into /usr/local/lib, as I wouldn't want to replace a system-wide stable version with the latest experimental one. Cmake warns me whenever I specify a relative path for linking, so I would suspect copying is a better solution then relative linking? Is this the best approach? Thanks for your help!

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• php include file issue using document root

  - by nithi

  I have used the following code to get the document root. $path = get_file_dir(); function get_file_dir() { global $argv; return realpath($argv[0]); } Below code includes config.php and config.php has the $setuprun variable with a value. if((file_exists("$path/admin/config.php"))) { include_once "$path/admin/config.php"; } if($setuprun=="true") { //do some code } In my system, it takes the document root like /home/myname/myfolder and the variable $setuprun has the value and the code works perfectly. But in another user's system, it shows the following error. Notice: Undefined variable: setuprun in /usr/local/www/chat/setup.php on line 22. He is using FreeBSD 8.2 Stable with MySQL 5, PHP5 and Apache 2.2. Can anyone please help me to solve this error?

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• Comix is an Awesome Comics Archive Viewer for Linux

  - by Asian Angel

  Do you have a terrific collection of comics in electronic form but need a great app to view them with? If you have a Linux system then we have the perfect app for you…Comix, the open source comic reading powerhouse. For our example we installed Comix on our Ubuntu 10.10 system. Just go to the Ubuntu Software Center and conduct a quick search. When you go to install Comix in the Ubuntu Software Center, make sure to scroll all the way to the bottom and select Unarchiver for .rar files. The listing appears as a “non-free version” for some reason, but displays as free once selected. Odd, but nothing to worry about in the end… Once Comix is installed you can find it in the Graphics Section of the Ubuntu Menu. Comix also comes with a nice set of options to let you customize the app to best suit those important comic reading needs. Here is a comprehensive list of the features this little comic reading powerhouse packs into one easy to use package: Fullscreen mode, double page mode, fit-to-screen mode, zooming and scrolling, rotation and mirroring, magnification lens, changeable image scaling quality, image enhancement, can read right-to-left to fit manga, etc., caching for faster page flipping, bookmarks support, customizable GUI, archive comments support, archive converter, thumbnail browser, standards compliant, available in multiple languages (English, Swedish, Simplified Chinese, Spanish, Brazilian Portuguese, & German), reads “JPEG, PNG, TIFF, GIF, BMP, ICO, XPM, & XBM” image formats, reads “ZIP & tar archives natively, RAR archives through the unrar program” runs on Linux, FreeBSD, NetBSD, and virtually any other UNIX-like OS, and more! Have fun reading those comics on your favorite Linux system! Interested in learning more about Comix? Then be certain to drop by the homepage! Comix Homepage Latest Features How-To Geek ETC How to Enable User-Specific Wireless Networks in Windows 7 How to Use Google Chrome as Your Default PDF Reader (the Easy Way) How To Remove People and Objects From Photographs In Photoshop Ask How-To Geek: How Can I Monitor My Bandwidth Usage? Internet Explorer 9 RC Now Available: Here’s the Most Interesting New Stuff Here’s a Super Simple Trick to Defeating Fake Anti-Virus Malware Comix is an Awesome Comics Archive Viewer for Linux Get the MakeUseOf eBook Guide to Speeding Up Windows for Free Need Tech Support? Call the Star Wars Help Desk! [Video Classic] Reclaim Vertical UI Space by Adding a Toolbar to the Left or Right Side of Firefox Androidify Turns You into an Android-style Avatar Reader for Android Updates; Now with Feed Widgets and More

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• Site Search Engine for 1,000 page website

  - by Ian

  I manage a website with about 1,000 articles that need to be searchable by my members. The site search engines I've tried all had their own problems: Fluid Dynamics Search Engine Since it's written in perl, it was a bit hacky to integrate with my PHP-based CMS. I basically had to file_get_contents the search results page. However, FDSE had the best search results. Google CSE Ugh, the search results SUCK. It can't find documents even using unique strings. I'm so surprised that a Google search product is this bad. Nor can I get any answers on their 'help' forums, and I am a paying user. Boo, Google. Boo. Sphider Again, bad search results. Unable to locate some phrases used in link text. Better results than Google CSE though. Shame on Google that a free PHP script has better search results than their paid application. IndexTank This one looked really promising. I got all set up with their PHP API client. But it would only randomly add articles that I submitted. Out of 700+ articles I pushed to the index through their API, only 8 made it in. Unable to find any help on this subject. Update for IndexTank -- Got the above issue fixed, so this looks most promising so far. The site itself runs on php/mysql and FreeBSD, though this shouldn't matter for a web crawling indexer. I've looked at Lucene, but I don't know anything about Java or installing Java programs on my web server. I also do not have root access on my web server, if this would be required for installation. I really don't need a lot of fancy features. It just needs to be able to crawl my web site and return great (even decent!) search results. I don't need any crazy search operators. It doesn't need to index off my primary domain. It just needs to work! Thanks, Hive Mind!

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• Brendan Gregg's "Systems Performance: Enterprise and the Cloud"

  - by user12608550

  Long ago, the prerequisite UNIX performance book was Adrian Cockcroft's 1994 classic, Sun Performance and Tuning: Sparc & Solaris, later updated in 1998 as Java and the Internet. As Solaris evolved to include the invaluable DTrace observability features, new essential performance references have been published, such as Solaris Performance and Tools: DTrace and MDB Techniques for Solaris 10 and OpenSolaris (2006)  by McDougal, Mauro, and Gregg, and DTrace: Dynamic Tracing in Oracle Solaris, Mac OS X and FreeBSD (2011), also by Mauro and Gregg. Much has occurred in Solaris Land since those books appeared, notably Oracle's acquisition of Sun Microsystems in 2010 and the demise of the OpenSolaris community. But operating system technologies have continued to improve markedly in recent years, driven by stunning advances in multicore processor architecture, virtualization, and the massive scalability requirements of cloud computing. A new performance reference was needed, and I eagerly waited for something that thoroughly covered modern, distributed computing performance issues from the ground up. Well, there's a new classic now, authored yet again by Brendan Gregg, former Solaris kernel engineer at Sun and now Lead Performance Engineer at Joyent. Systems Performance: Enterprise and the Cloud is a modern, very comprehensive guide to general system performance principles and practices, as well as a highly detailed reference for specific UNIX and Linux observability tools used to examine and diagnose operating system behaviour.  It provides thorough definitions of terms, explains performance diagnostic Best Practices and "Worst Practices" (called "anti-methods"), and covers key observability tools including DTrace, SystemTap, and all the traditional UNIX utilities like vmstat, ps, iostat, and many others. The book focuses on operating system performance principles and expands on these with respect to Linux (Ubuntu, Fedora, and CentOS are cited), and to Solaris and its derivatives [1]; it is not directed at any one OS so it is extremely useful as a broad performance reference. The author goes beyond the intricacies of performance analysis and shows how to interpret and visualize statistical information gathered from the observability tools.  It's often difficult to extract understanding from voluminous rows of text output, and techniques are provided to assist with summarizing, visualizing, and interpreting the performance data. Gregg includes myriad useful references from the system performance literature, including a "Who's Who" of contributors to this great body of diagnostic tools and methods. This outstanding book should be required reading for UNIX and Linux system administrators as well as anyone charged with diagnosing OS performance issues.  Moreover, the book can easily serve as a textbook for a graduate level course in operating systems [2]. [1] Solaris 11, of course, and Joyent's SmartOS (developed from OpenSolaris) [2] Gregg has taught system performance seminars for many years; I have also taught such courses...this book would be perfect for the OS component of an advanced CS curriculum.

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• Error while removing the new kernel 2.6.37

  - by Tarek

  Hi! I tried to install the new kernel but something went wrong and I'm trying to remove it now. The error massege is: mhd@Tarek-Laptop:~$ sudo apt-get install -f Reading package lists... Done Building dependency tree Reading state information... Done The following packages will be REMOVED: linux-image-2.6.37-020637-generic 0 upgraded, 0 newly installed, 1 to remove and 9 not upgraded. 1 not fully installed or removed. After this operation, 111MB disk space will be freed. Do you want to continue [Y/n]? y (Reading database ... 188780 files and directories currently installed.) Removing linux-image-2.6.37-020637-generic ... Examining /etc/kernel/postrm.d . run-parts: executing /etc/kernel/postrm.d/initramfs-tools 2.6.37-020637-generic /boot/vmlinuz-2.6.37-020637-generic run-parts: executing /etc/kernel/postrm.d/zz-update-grub 2.6.37-020637-generic /boot/vmlinuz-2.6.37-020637-generic /etc/default/grub: 33: Syntax error: EOF in backquote substitution run-parts: /etc/kernel/postrm.d/zz-update-grub exited with return code 2 Failed to process /etc/kernel/postrm.d at /var/lib/dpkg/info/linux-image-2.6.37-020637-generic.postrm line 328. dpkg: error processing linux-image-2.6.37-020637-generic (--remove): subprocess installed post-removal script returned error exit status 1 Errors were encountered while processing: linux-image-2.6.37-020637-generic E: Sub-process /usr/bin/dpkg returned an error code (1) The previous unsloved error is on this bug. This is my grub configuration file: # If you change this file, run 'update-grub' afterwards to update # /boot/grub/grub.cfg. GRUB_DEFAULT=0 #GRUB_HIDDEN_TIMEOUT=0 GRUB_HIDDEN_TIMEOUT_QUIET=true GRUB_TIMEOUT=10 GRUB_DISTRIBUTOR=`lsb_release -i -s 2> /dev/null || echo Debian` RUB_CMDLINE_LINUX_DEFAULT="quiet splash nomodeset video=uvesafb:mode_option=1024x768-24,mtrr=3,scroll=ywrap" video=uvesafb:mode_option=>>1024x768-24<<,mtrr=3,scroll=ywrap" GRUB_CMDLINE_LINUX=" vga=792 splash" # Uncomment to enable BadRAM filtering, modify to suit your needs # This works with Linux (no patch required) and with any kernel that obtains # the memory map information from GRUB (GNU Mach, kernel of FreeBSD ...) #GRUB_BADRAM="0x01234567,0xfefefefe,0x89abcdef,0xefefefef" # Uncomment to disable graphical terminal (grub-pc only) #GRUB_TERMINAL=console # The resolution used on graphical terminal # note that you can use only modes which your graphic card supports via VBE # you can see them in real GRUB with the command `vbeinfo' GRUB_GFXMODE=1024x768-24 # Uncomment if you don't want GRUB to pass "root=UUID=xxx" parameter to Linux #GRUB_DISABLE_LINUX_UUID=true # Uncomment to disable generation of recovery mode menu entries #GRUB_DISABLE_LINUX_RECOVERY="true" # Uncomment to get a beep at grub start #GRUB_INIT_TUNE="480 440 1" thank you for answering.

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• VMware Tools in Ubuntu guest on VMware Server 2 do not build

  - by ulf

  When trying to build the VMware tools in my Ubuntu 9.10 64 bit guest on a VMware Server 2.0.2 host with Debian 5 I'm getting strange errors like: Building the vmmemctl module. Using 2.6.x kernel build system. make: Gehe in Verzeichnis '/tmp/vmware-config8/vmmemctl-only' make -C /lib/modules/2.6.31-19-server/build/include/.. SUBDIRS=$PWD SRCROOT=$PWD/. modules make[1]: Betrete Verzeichnis '/usr/src/linux-headers-2.6.31-19-server' CC [M] /tmp/vmware-config8/vmmemctl-only/backdoorGcc64.o In file included from /tmp/vmware-config8/vmmemctl-only/backdoor.h:29, from /tmp/vmware-config8/vmmemctl-only/backdoorGcc64.c:38: /tmp/vmware-config8/vmmemctl-only/vm_basic_types.h:108:7: warning: "__FreeBSD__" is not defined CC [M] /tmp/vmware-config8/vmmemctl-only/os.o In file included from /tmp/vmware-config8/vmmemctl-only/os.c:51: /tmp/vmware-config8/vmmemctl-only/compat_wait.h:78: error: conflicting types for ‘poll_initwait’ include/linux/poll.h:70: note: previous declaration of ‘poll_initwait’ was here make[2]: *** [/tmp/vmware-config8/vmmemctl-only/os.o] Fehler 1 make[1]: *** [_module_/tmp/vmware-config8/vmmemctl-only] Fehler 2 make[1]: Verlasse Verzeichnis '/usr/src/linux-headers-2.6.31-19-server' make: *** [vmmemctl.ko] Fehler 2 make: Verlasse Verzeichnis '/tmp/vmware-config8/vmmemctl-only' Unable to build the vmmemctl module. I googled half the Internet but couldn't come to a solution. None of the kernel modules seems to build correctly. While googling I read something about a bug in this kernel tree.

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• Running Mathematica-5 remotely

  - by oxinabox.ucc.asn.au

  I have Mathematica 5 - a powerful CAS. I have a cheap netbook (running Windows XP), wich not only is too slow to run mathmatica on, I doubt it has the harddrive space. I do however have remote access to a number of very powerful computers, (most of wich run variose Linuxes, but one of which is Windows Server 2008, though I'ld rather not use this one*). Mostly over SSH but other protocols can be arraged for some, I'm sure. So I'ld like to install Mathematica onto one of these machine and then run it remotely. Either from the command line via Putty or via some other method. I glanced through the mathematical documentation and read something about using some MathLink program, which links the front end installed on my computer to a remote kernel. Anyone have any experience with this? I'm not sure if this belongs here or in SuperUser. At the moment, it's being tinkered with, and when the tinkering stops it'll likely be used to run multiple thin terms. As compared to the Linux machines: I have access to a dual 2.4 Xeon with 3GB RAM, which the rest of the world seems to have completely forgotten about (runs freeBSD!).

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• Automatically check for Security Updates on CentOS or Scientific Linux?

  - by Stefan Lasiewski

  We have machines running RedHat-based distros such as CentOS or Scientific Linux. We want the systems to automatically notify us if there are any known vulnerabilities to the installed packages. FreeBSD does this with the ports-mgmt/portaudit port. RedHat provides yum-plugin-security, which can check for vulnerabilities by their Bugzilla ID, CVE ID or advisory ID. In addition, Fedora recently started to support yum-plugin-security. I believe this was added in Fedora 16. Scientific Linux 6 did not support yum-plugin-security as of late 2011. It does ship with /etc/cron.daily/yum-autoupdate, which updates RPMs daily. I don't think this handles Security Updates only, however. CentOS does not support yum-plugin-security. I monitor the CentOS and Scientific Linux mailinglists for updates, but this is tedious and I want something which can be automated. For those of us who maintain CentOS and SL systems, are there any tools which can: Automatically (Progamatically, via cron) inform us if there are known vulnerabilities with my current RPMs. Optionally, automatically install the minimum upgrade required to address a security vulnerability, which would probably be yum update-minimal --security on the commandline? I have considered using yum-plugin-changelog to print out the changelog for each package, and then parse the output for certain strings. Are there any tools which do this already?

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• Nagios 403 forbidden, indexes?

  - by Georgi

  installed nagios under freebsd 9, but can't get the right way to be public in browser (from other pc's). I think that the problem is in the indexes or that there is not index file (instead main.php). Apache says that syntax is ok. The permissions of the dir are 777. The logs print Directory index forbidden by Options directive: /usr/local/www/nagios/. This is my configuration: ScriptAlias /nagios/cgi-bin/ /usr/local/www/nagios/cgi-bin/ Alias /nagios /usr/local/www/nagios/ <Directory /usr/local/www/nagios> Options +Indexes FollowSymLinks +ExecCGI AllowOverride Indexes AuthConfig FileInfo Order allow,deny Allow from all AuthName "Nagios Access" AuthType Basic AuthUSerFile /usr/local/etc/nagios/htpasswd.users Require valid-user </Directory> <Directory /usr/local/www/nagios/cgi-bin> Options +ExecCGI AllowOverride None Order allow,deny Allow from all AuthName "Nagios Access" AuthType Basic AuthUSerFile /usr/local/etc/nagios/htpasswd.users Require valid-user </Directory> I think that the problem is in idexes, maybe? When I remove the options it's public and available but lists the files and says that idnexes are forbidden..

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• Windows Server 2008 RAID10

  - by JT

  Hello All, I am building a storage system for myself. I have a 16 bay SATA chasis and right now I have 1 x 500GB SATA for booting 8 x 1.5TB for data. 3Ware 9500S-8 RAID card where these 8 drives above are connected to. I am used to linux, but not in the RAID department. I have Windows experience too. What I am looking for is something that I can just let sit, be reliable and use for other items as well. (Like running test websites, Apache, MySQL, etc). This box is private on a Class-C subnet. My thought is to at least consider Windows Server 2008. I especially like the potential for NON-GUI Mode. Can Windows Server 2008 do a Software RAID 10 out of the box? Software RAID is better performance and better in case the raid needs to be moved to another machine? I just want to SCP files, so OpenSSH running on it? Can one install the GUI, but not use it unless they get in a bind? Is Windows a good idea or should I stick to a Linux Software RAID or FreeBSD + ZFS?

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• can't access SATA card config screen on boot, nor access the disks

  - by Ronald

  We've just upgraded our file server using an ASUS P6T WS Pro board, running FreeBSD-RELEASE 8.2 and using zfs to manage 12 WD20EARS disks. Since our 3ware card has been giving us trouble we started using the six on-board SATA connectors and got a SuperMicro USAS2-L8i to provide eight more ports. Mechanically, the card is an awkward fit but electrically it all seems ok. Upon boot, the LSI controller shows up and states that pressing ctrl-c will bring up the LSI Config Utility. When doing that, the message changes to state that the utility will be started after initialization, however that never happens. There does seem to be an error message that's only displayed too briefly to read and seems to be about PCI and "not enough space". (That message is pushed off by a hardware summary and I've found no way to scroll back at this point.) The disks do not show up in any recognizable ways after booting, either. I found a hint in another discussion to check the address mapping on either the card or the motherboard BIOS, but have found no way to do that. So what I tried on a hunch is to disable everything that's on-board, including network adapters, Firewire controller and SATA. In fact, after doing that, I can successfully launch the LSI Config Utility. As far as I can tell, all looks well in there, and when booting in that configuration it also displays a list of the disks connected to it, which looks just fine as well. Only problem now is that I can't boot that way, because I need the on-board SATA controller and network adapters. As soon as I re-enable any of them I'm back to square one. That discussion I mentioned about mapping addresses said to try D000, then D7FF, then DFFF, in order. The LSI Config Utility shows the card address as D000 but offers no way of changing it. Any tips or insights would be appreciated.

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• Server hang - data loss on reboot, post mortem analysis

  - by rovangju

  A development server I'm responsible for (ext3 on raid 5 w/Debian Squeeze) froze up over the weekend and I was forced to reset it, as in unresponsive from KVM/physical keyboard access, no eth devices responding, etc. Not even the backup process ran (Figures, the one time I don't check for confirmation) So after the reset, it turns out that every trace of disk IO activity that should have happened for a period of ~24H is completely gone. The log files have a big gap in the dates and times. As if the writes were never committed to disk, no processes seemed to have run. Luckily it was a weekend and nothing of value would have been lost and I don't suspect a hack. What can I do in post mortem to this event - to prevent it from ever happening again? I've seen this happen before on a completely different machine running FreeBSD. I am rounding up the disk checking tools right now - but there must be more going on! Mount options: /dev/sda1 on / type ext3 (rw,errors=remount-ro) Kernel: Linux dev 2.6.32-5-686-bigmem Disk/Inodes: 13%/3%

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• How do I SSH tunnel using PuTTY or SecureCRT through gateway/proxy to development server?

  - by DAE51D

  We have some unix boxes setup in a way that to get to the development box via ssh, you have to ssh into a 'user@jumpoff' box first. There is no direct connection allowed on 'dev' via ssh from anywhere but 'jumpoff'. Furthermore, only key exchange is allowed on both servers. And you always login to the development box as 'build@dev'. It's painful to always do that hopping. I know this can be done with SOCKS or a Tunnel or something... I have setup a FreeBSD VM and I can get things to work awesome using unix ssh tools. Basically all I do is make sure my vm's ~/.ssh/id_rsa.pub key is on both jumpoff and dev and use this ~/.ssh/config file: # Development Server Host ext-dev # this must be a resolvable name for "dev" from Jumpoff Hostname 1.2.3.4 User build IdentityFile ~/.ssh/id_rsa # The Jumpoff Server Host ext Hostname 1.1.1.1 User daevid Port 22 IdentityFile ~/.ssh/id_rsa # This must come below all of the above Host ext-* ProxyCommand ssh ext nc $(echo '%h'|cut -d- -f2-) 22 Then I just simply type "ssh ext-dev" and I'm in like Flynn. The problem is I can't get this same thing to work using either PuTTY or SecureCRT -- and to be honest I've not found any tutorials that really walk me through it. I see many on setting up some kind of proxy tunnel for Firefox, but it doesn't seem to be the same concept. I've been messing with various trial and error most all day and nothing has worked (obviously) and I'm at the end of my ssh knowledge and Google searching. I found this link which seemed to be perfect, but it doesn't work for me. The "Master" connects fine, but the "client" portion doesn't connect. It tells me, the remote system refused the connection. http://www.vandyke.com/support/tips/socksproxy.html I've got the VM, PuTTY and SecureCRT all using the same public/private key pairs to make things consistent and easier to debug. Does anyone have a straight up example of how to do this in Windows?

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