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• Bridged NIC's but only one active

  - by rockinthesixstring

  I've "Bridged" the NIC's in my Server 2003 box but when I do a large file transfer, I see that only one is active at a time. What do I need to do to spread the love across both NIC's? I'm hoping to increase transfer speeds from my Server to my network. PS: I have a D-Link DGS-1016D Switch.

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• Raid0 performance degradation?

  - by davy8

  Not sure if this belongs here or on SuperUser, feel free to move as appropriate. I've noticed the performance on my RAID0 setup seems to have degraded over the past months. The throughput is fine, but I think the random access time has increased or something. In use I generally see about 1-5mb/sec when loading stuff in Visual Studio and other apps and it doesn't seem like the CPU is bottlenecking as the CPU utilization is pretty low. I don't recall what Access Time used to be, but HD Tune is reporting 12.6ms Read throughput is showing as averaging about 125MB/sec so it should be great for sequential reads. Defrag daily and it shows fragmentation levels low, so that shouldn't be an issue. Additional info, Windows 7 x64, Intel raid controller on mobo, WD Black 500GB (I think 32mb cache) x2.

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• Problem with Nobody and PhP

  - by user39190

  We use Cpanel/WHM and have just used EasyApache to upgrade to Apache 2.2 and PhP 5.3.2 As a result of the upgrade process, the user "Nobody" who runs php can no longer access directories or create directories in the various owners web directories. For instance, with Word Press we can no longer upload images. We have tried rebuilding with SuEXEC on and off, SuPHP on and off and nothing makes any difference. It feels as if the user "Nobody" has got its permissions messed up, but that is a wild guess. How can we get back to where we started which is, I assume, that "Nobody" had the rights to the file systems in the web directories?

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• how to automatically mount ~/Private using ecryptfs when logging in via ssh pubkey

  - by andreash

  Raionale: I want to be able to automatically make backups to a remote machine, which will be encrypted with ecryptfs. The title says it all: I set up ecryptfs-utils on my Debian Squeeze box, and set up one user to use it via ecryptfs-setup-private. When I log in via SSH using password authentication, the ~/Private directory automatically gets mounted. How can I achieve that ~/Private also automatically gets mounted when logging in via SSH using public key authentication? Obviously, the best solution would be if ecryptfs could somehow 'use' the SSH public key to en/decrypt the data (I know that then using the user's password would not be able to en/decrypt the data any more; this would be acceptable). Probably, this will not work. So perhaps somehow call ecryptfs-mount-private via ssh before logging in via public key? Probably, then I would need to somehow pipe the passphrase through the SSH connection, right? So I would need to store it on the source machine's file system. Not nice either. Any other ideas?

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• How to create RPM for 32-bit arch from a 64-bit arch server?

  - by Gnanam

  Our production server is running CentOS5 64-bit arch. Because there are no RPM available currently for SQLite latest version (v3.7.3), I created RPM using rpmbuild the very first time by following the instructions given here. I was able to successfully create RPM for 64-bit (x86_64) architecture. But am not able to create RPM for 32-bit (i386) architecture. It failed with the following errors: ... ... ... + ./configure --build=x86_64-redhat-linux-gnu --host=x86_64-redhat-linux-gnu --target=i386-redhat-linux-gnu --program-prefix= --prefix=/usr --exec-prefix=/usr --bindir=/usr/bin --sbindir=/usr/sbin --sysconfdir=/etc --datadir=/usr/share --includedir=/usr/include --libdir=/usr/lib64 --libexecdir=/usr/libexec --localstatedir=/var --sharedstatedir=/usr/com --mandir=/usr/share/man --infodir=/usr/share/info --enable-threadsafe checking for a BSD-compatible install... /usr/bin/install -c checking whether build environment is sane... yes checking for gawk... gawk checking whether make sets $(MAKE)... yes checking for style of include used by make... GNU checking for x86_64-redhat-linux-gnu-gcc... no checking for gcc... gcc checking for C compiler default output file name... configure: error: C compiler cannot create executables See `config.log' for more details. error: Bad exit status from /var/tmp/rpm-tmp.73141 (%build) RPM build errors: Bad exit status from /var/tmp/rpm-tmp.73141 (%build) This is the command I called: rpmbuild --target i386 -ba sqlite.spec My question is, how do I create RPM for 32-bit arch from a 64-bit arch server?

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• Is it dangerous to allow every user to run nmap as root?

  - by Kim

  At our university we have some computers in the "networking lab", that are configured to allow everybody to run nmap as root via /etc/sudoers. Could this be a security vulnerability?

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• Antivirus and Content Management / Web Filtering

  - by Moif Murphy

  Hi, We currently use Net Intelligence for our Web Filtering and Antivirus. We're looking for an alternative and I was wondering what people here use? We have many mobile users who work away from the office and so we prefer something which includes a remote agent and a central management portal that we can customise and add our own rules etc. Also preferable is bundled anti virus. Any recommendations?

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• Access ReverseProxy from iframe only

  - by soundsofpolaris

  I have OwnCloud setup and it has a feature called External Site. It loads a site in an iframe, so you can stay in the websites shell. I have a page running on a reverse proxy. Is there anyway to only allow the OwnCloud page to access the reverse proxy while blocking any other connections to it? So in this situation, the OwnCloud site is publically accessible but I don't want the reverse proxy to be. On apache2, Ubuntu 14.04, own cloud 7

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• Rails 2.3.11 Server Crashing After 4 Requests

  - by Taka

  I have a Rails 2.3.11 application running on my local Windows machine using InstantRails. I cd to my application directory, run ruby script/server to start the server running, and point my browser to localhost:3000. I get the page I expect, and am able to click a few links to other pages (all of them are static). The problem starts when I load the 4th page or so. My server crashes, with this message: Processing HomeController#index (for 127.0.0.1 at 2012-06-23 15:48:40) [GET] Rendering template within layouts/application Rendering home/index Completed in 11ms (View: 9, DB: 1) | 200 OK [http://localhost/index] C:/rails/ruby/lib/ruby/gems/1.8/gems/activesupport-2.3.11/lib/active_support/memoizable.rb:46: [BUG] Segmentation fault ruby 1.8.7 (2012-02-08 patchlevel 358) [i386-mingw32] This application has requested the Runtime to terminate it in an unusual way. Please contact the application's support team for more information. I've uninstalled this gem and reinstalled it, which didn't help. It doesn't seem to be the gem though, because the segmentation fault sometimes occurs in C:/rails/ruby/lib/ruby/gems/1.8/gems/mongrel-1.1.2-x86-mswin32/lib/mongrel.rb:114 or C:/rails/ruby/lib/ruby/1.8/benchmark.rb:306 Versions: >ruby -v ruby 1.8.7 (2012-02-08 patchlevel 358) [i386-mingw32] >rails -v Rails 2.3.11 I'd like to get this fixed so while I'm developing I don't have to keep restarting my server. Any suggestions?

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• OpenVZ vs Xen, how much difference in performance?

  - by Aleksandr Levchuk

  There is a Xen vs. KVM in performance question on ServerFault. What will be the performance difference if the choice is between Xen and OpenVZ? How is it best to measure? Some may say "you're comparing apples and oranges" but I have to choose one of the two and it needs to be wise choice. Performance is most important to us. We may switching to Xen from OpenVZ because Xen is more ubiquitous but only if performance difference is not significant. In January 2011 I'm thinking of doing a head to head performance comparison - here is my project proposal to our Bioinformatics facility director.

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• Kerberos Policy section not appearing in RSop / GPResult

  - by Chloraphil

  I am attempting to confirm via RSoP or GPResult that the correct settings for "\Computer Configuration\Windows Settings\Security Settings\Account Policies\Kerberos Policy" are being applied, however the "Kerberos Policy" node is missing from the treeview / report. These settings are set in the "Default Domain Controllers Policy" which is linked in the "Domain Controllers" OU. Should "Kerberos Policy" appear at all? If not, how can I confirm the correct settings are being applied?

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• When to move into a CRM system?

  - by Dan

  I have a client that is currently managing around 5000+ contacts via Outlook. There is also a BES Express installation in place. There are a couple problems. First, there is a corrupt contact in there somewhere that is preventing either a cabled or over the air sync of the complete list to a blackberry. The second, is that it just seems to be getting a bit unruly. They currently have a license for ACT, which I'm trying to get them to move into, but at what number does the contact list need to be at to migrate away from using Outlook/Exchange and into a real CRM solution?

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• change default port of IIS and let another process to listen on port 80 (Windows Server 2008)

  - by aleroot

  I have an installation of Windows Server 2008 running IIS 6 with a website listening on port 8080, even though I have moved the website to listen on 8080, port 80 is still kept in use by IIS (for truth by the kernel process : System - ProcId : 4). I want to let another process listen on port 80 without uninstalling or disabling IIS, I want to keep IIS listening on port 8080 and another service on port 80, is there a way to do it? I saw another similar thread here on serverfault but the solution (using httpcfg.exe delete iplisten -i 0.0.0.0:80 ) can work only in 2003 because in 2008 the utility httpcfg.exe doesn't exist and it seems that it cannot be installed ... Does anyone have a solution to get rid of the kernel listening on port 80 in Windows Server 2008 with IIS running?

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• Why does StackExchange store images in imgur rather than its own servers? [migrated]

  - by martin's

  I am trying to understand the technical (and business) logic behind taking such an approach. Certainly SE isn't short of server or bandwidth resources. I don't think imgur is a CDN, so that can't be the reason. On the one hand one is giving up local control (meaning your files, your hardware) of the content. On the other, you don't have to use your own bandwidth, storage and resources. Then again, you depend on someone else for the reliability and up-time of your service.

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• rebuild yum index on aws s3

  - by Chucks

  I am trying to rebuild yum repo on aws S3 after adding new packages. Here are few commands I am trying, but it is not helping. [root@chucks ~]$ createrepo --baseurl http://rpmcopy.xxxxx.com.s3-website-us-east-1.amazonaws.com /repodata/ --update Saving Primary metadata Saving file lists metadata Saving other metadata Generating sqlite DBs Sqlite DBs complete How do I give a path from S3? /repodata/ path is not relevent I believe. All my pkgs are under bucket s3://rpmcopy.xxxxx.com/. And repodata dir is under s3://rpmcopy.xxxxx.com/repodata

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• nginx regex locations w/ different roots not working as expected

  - by Wells Oliver

  I have the following two rules: location / { root /var/www/default; } location ~* /myapp(.*)$ { root /home/me/myapp/www; try_files $uri $uri/ /handle.php?url=$uri&$args; } When I browse to myapp/foo it works- kind of, the error is logged as a 404: *3 open() "/var/www/default/handle.php" failed (2: No such file or directory) - so its handling the regex match but just not using the right document root-- why is this? For the record, I am trying to get /myapp/* requests handled by the second location, and everything else the first.

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• Fedora 8 upgrade PHP > 5.2.4

  - by Bonn

  One of my current company servers is using old Fedora 8 and web apps compatible with PHP 5.2.x. Currently the PHP version is 5.2.4. I would like to upgrade it minimum 5.2.5 so that Drupal-7 can be installed on that machine. The problem is, there are no more repository for Fedora 8, and maybe here someone could help. I can't risk upgrading the OS since I'm not linux expert, and if anything goes wrong I could be in trouble. thanks

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• Deleting jobs from Job History on Xerox Workcentre Pro 123

  - by JPaget

  How do you delete one or more fax jobs from the Job History on a Xerox Workcentre Pro 123? The Xerox Workcentre Pro 123 is a combination copier, printer, scanner and fax machine, and it keeps a history of the numbers dialed for sending faxes, including any long distance access codes that were dialed. In order to keep these access codes private, I'd like to remove these jobs from the job history, or alternatively clear the entire job history. Unfortunately the User Guide and the Quick Reference Guide don't explain how to do this.

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• installing rpm packages on ubuntu

  - by Hulk

  In ubuntu i have downloaded flash rpm,how to install it.i am new to ubuntu and i have tried the following alien -k flash-plugin-10.0.45.2-release.i386.rpm alien -i flash-plugin-10.0.45.2-release.i386.rpm rpm -i flash-plugin-10.0.45.2-release.i386.rpm //this works in rhel versions The above doesn't seem to work.. Thanks..

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• Re-streaming RTMP stream

  - by Yvan JANSSENS

  I have a set of local RTMP stream servers in my network, but I want them to be reachable outside. The bandwidth is too narrow to serve multiple clients on the streamservers of my network, so the idea is to pull the local RTMP streams on a computer serving as a gateway, which pushes them on his turn to a hosted streaming provider. It is not possible to let the sources of the stream push their stream directly to the server outside due to network policy restrictions. Scheme of what I'm trying to accomplish: Internal network | External network ------------ ------------ ----------------------- | internal | <---- | Gateway | ------> | streamserver outside| | streams | ------------ ----------------------- ------------ | ^ | | | ----------- | | clients | | ----------- My question now is: which application which can pull a live stream from an RTMP source (Flash Media Server) and push it to another one (Flash Media Server at hosting provider).

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• Identifying Httpd error log in Fedora 16

  - by Cerin

  How do you find the cause of httpd errors in Fedora 16? The new systemctl command in Fedora 16 seems to horribly obscure any useful logging info. [root@host ~]# systemctl start httpd.service Job failed. See system logs and 'systemctl status' for details. [root@host ~]# systemctl status httpd.service httpd.service - The Apache HTTP Server (prefork MPM) Loaded: loaded (/lib/systemd/system/httpd.service; enabled) Active: failed since Thu, 21 Jun 2012 16:26:56 -0400; 1min 23s ago Process: 2119 ExecStop=/usr/sbin/httpd $OPTIONS -k stop (code=exited, status=0/SUCCESS) Process: 2215 ExecStart=/usr/sbin/httpd $OPTIONS -k start (code=exited, status=1/FAILURE) Main PID: 1062 (code=exited, status=0/SUCCESS) CGroup: name=systemd:/system/httpd.service So the first command fails...and it tells me to run another command...which simply tells me that the command returned an error code. Where's the actual error? Even more frustrating is nothing seems to have been written to the logs: [root@host ~]# ls -lah /var/log/httpd/ total 8.0K drwx------. 2 root root 4.0K Jun 21 16:19 . drwxr-xr-x. 21 root root 4.0K Jun 20 16:33 .. -rw-r----- 1 root root 0 Jun 21 16:19 modsec_audit.log -rw-r----- 1 root root 0 Jun 21 16:19 modsec_debug.log

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• CentOS listen to everything on the wire

  - by Poni

  I know there's a native command on linux that will output (to stdout) every "event" related to a certain network interface (be it eth0 etc'). Like there's tail -f <file> to listen on file changes.. I just can't find it. I want to see all events, incoming packets, even dropped ones. At lowest level possible. In every protocol (TCP, UDP etc'). I think WireShark is a bit too big for this as I need something very simple just to see the events, it's for testing. What's the command?

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• Diagnosing SAN connectivity issues (RHEL5)

  - by Matthew

  We are currently utilizing GFS2 to share a SAN LUN between 3 servers. However due to a feature problem with vendor software we are using, we currently have the volume unmounted on two of the boxes, and are instead exporting the GFS2 filesystem via NFS from the first one (the software requires some weird locking mechanics that GFS2 doesn't support). As of this morning, NFS was no longer able to read/write to the volume from any of the servers, including the NFS server. I then tried checking the normal mount (the directory that is exported on the NFS server) and I received a weird input/output error just trying to CD into it. When I tried running multipath, I got a DM error, however multipath -l worked just fine. I tried unmounting the GFS2 volume, and the CLI hung. I ran init 0 which killed most services, but then the shutdown appeared to have been hung. I logged in via out of band access (hp ILO) and saw that the shutdown was hung trying to unmount GFS2 volumes. My main priority was getting the box back online so after about 5 minutes of waiting I did a hard reset. I am now trying to figure out what went wrong. What are the correct logs to investigate? I've never run into SAN issues like this before. The SAN is connected via 2 fibre connections. Any help would really be appreciated. Everything appears to be up and functional now.

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• View/Find all compressed files on the server?

  - by Volodymyr

  I need to find all compressed files/folders regardless of file format on a Windows Server 2003 machine. Search options do not provide this capability. Is there a way to list/view all compressed files? Perhaps, this can be done by PowerShell using file/folder attributes and put into a txt file with file location. UPD: Under compressed files/folders - I mean files which appear in blue color in Explorer after changing file/folder attribute.

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• Why should one have a secondary DNS server?

  - by Sam Levin

  I'm very confused. I basically understand how DNS works. Here's an example that helps illustrate what I'm having trouble understanding. Right now, I run a small web-server. I use my provider's DNS manager, so I don't have a DNS server hosted on the machine. Let's say for a second, that I don't use my host's DNS, and I decide to set up a DNS server on my server. Hypothetical scenario: my server (entire) server goes down - DNS included. Why do I need backup DNS? If the server is down, who cares if the DNS server is down too, considering that even if I had DNS up (it wasn't on the crashed server), it wouldn't be able to forward requests anyway since the server would be down? Is the point of having secondary DNS, to be able to change the IP addresses that your DNS server points to, so if your webserver was down, you could redirect traffic to a backup? How would you switch to the secondary provider, in the event that your main DNS provider becomes unavailable? Is a backup DNS system basically up all the time? How is it configured? Is it just an exact clone of the DNS server you would have on your server? Do they run simultaneously? Hopefully someone can see what I'm hung up on, and provide some guidance. Thanks

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