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  • Duplicate free/busy or full calendar information between two exchange servers

    - by Wayne Arthurton
    We have acquired a new entity with their own AD/Exchange environment. Until they fully join our domain, we need to sync their exchange calendars or minimally free/busy for users. All users in the acquisition have a new account in our organization. We have considered a number of options including CalDAV, but nothing seems to meet our needs. Even a client solutions to update the NEW server with the free/busy would be workable.

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  • Exchange - inbound email only works from some servers

    - by Kryptonite
    I am having a problem where inbound mail from outside only works when sent from certain hosts. For example, when I send myself an email from my personal gmail account all is well, as the logs show: 2012-09-05 18:14:16 209.85.223.175 mail-ie0-f175.google.com SMTPSVC1 MAILSVR 192.168.1.79 0 EHLO 250 - - 2012-09-05 18:14:16 209.85.223.175 mail-ie0-f175.google.com SMTPSVC1 MAILSVR 192.168.1.79 0 STARTTLS 220 - - 2012-09-05 18:14:16 209.85.223.175 mail-ie0-f175.google.com SMTPSVC1 MAILSVR 192.168.1.79 0 STARTTLS 220 - - 2012-09-05 18:14:16 209.85.223.175 mail-ie0-f175.google.com SMTPSVC1 MAILSVR 192.168.1.79 0 EHLO 250 - - 2012-09-05 18:14:16 209.85.223.175 mail-ie0-f175.google.com SMTPSVC1 MAILSVR 192.168.1.79 0 MAIL 250 - - 2012-09-05 18:14:16 209.85.223.175 mail-ie0-f175.google.com SMTPSVC1 MAILSVR 192.168.1.79 0 RCPT 250 - - 2012-09-05 18:14:48 209.85.223.175 mail-ie0-f175.google.com SMTPSVC1 MAILSVR 192.168.1.79 0 QUIT 240 - - However, if I sent from my personal Yahoo account, I get this response: Sorry, we were unable to deliver your message to the following address. <[email protected]>: Remote host said: 530 5.7.0 Must issue a STARTTLS command first [MAIL_FROM] (NB: Nothing appeared in the smtp log for this message.) Any suggestions where to start looking? EDIT ---- I don't know if it matters, but the certificate I am using for TLS is self signed.

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  • Moving email accounts between shared-hosting servers

    - by Michal M
    I've got to move email from one shared-hosting server to another. The reason to move is my current provider doesn't support IMAP, so access to emails is only through POP. I have 5 accounts to move, with 3 of them being 500MB. Is there a way to do it? (other than downloading it all to a client and updating server settings to new server and therefore uploading the files to new server) Any suggestions?

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  • Backup of Xen servers and laptops with encryption

    - by Konrads
    Hello, I have the following backup objects: Multiple Xen Linux instances running on same box. A few laptops Windows that contain also private data that needs to be stored encrypted I have this backup media: A disk attached to the Xen box A disk available remotely for off-site backups I want to do daily-weekly-monthly backups of Xen systems and to back-up laptops in approximately same mode but in push mode (backup initiated by laptop) with encryption. Any good free solutions?

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  • isolate web servers on intranet with dfl-800

    - by microchasm
    I administer a small network (10 users). I'm getting ready to deploy a internal webapp that will be hosted and accessed locally only. There are about 10 users on the network (192.168.111.0/24), a win2k3 server, apache (RHEL), and Mysql (RHEL), and various miscellaneous peripheries. I'd like to isolate the apache and sql boxes into a seperate area of the lan to keep things easier to maintain/grow. I've been reading about vlans, subnets, etc.. I'm not clear, however, which would be the best solution for our setup. Thanks for any tips and or advice.

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  • Are there other application layer firewalls like Microfot TMG (ISA) that do advanced http rules?

    - by Bret Fisher
    Since the old days ISA and now TMG have had several great features that I often want to deploy to my customers because of the enhanced functionality and security, but often the cost of an additinal server HW, Windows Server, and TMG license is too much to justify when compaired to a $300-500 appliance. Are there other gateway firewalls that can perform one or more of these application layer features: pre-auth incoming http traffic against AD/LDAP before sending packets to internal server (forms auth or basic creds popup)? read host headers of incoming http traffic (even on https) to a single public IP and route packets to different internal servers based on that host header?

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  • Improve file transfer speed between Windows PCs and servers

    - by Geotarget
    I've setup a server which I've connected to multiple PCs in my workplace. Sadly, data transfer speeds are at max 3 MB/sec per connection which works out slow for file transfers, especially when transferring large files. I'm using Windows filesharing and the server is a Windows Server 2008 (2 Ghz CPU, 1 GB RAM) and the client PCs mostly running Windows 7. How can I detect bottlenecks in my network and improve file sharing speed within the network?

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  • Differences between Fedora servers

    - by Yarin
    I'm using Amazon EC2 and trying to choose a machine image (AMI) for my project. It seems all their LAMP AMIs are Fedora Core 4, but this seems like quite an old version, considering the current release is apparently Fedora 12, and < 10 releases are no longer supported. My question is how significantly different are the early fedora releases- is it crazy to be on versions 4 or even 8? (I realize this is probably a broad question)

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  • use Amazon EC2 tools in Capistrano to get the servers to push the code

    - by APZ
    I am trying to use EC2 tools to get all the machines with a particular tag in some type of array in /config/deploy/prod.rb file in Capistrano. Something like this: In prod.rb file: //untested command workers-array[]=$(ec2-describe-instances -F vpc-id=1234 -F tag:Env=prod -F tag:SystemType=worker) for(i=0;i<workers-array.len;i++){ role :worker-A, workers-array[i] } I am not sure how we can do this in capistrano, am new to ruby too. Guys any help on this would be really appreciated.

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  • nginx: override global ssl directives for specific servers

    - by alkar
    In my configuration I have placed the ssl_* directives inside the http block and have been using a wildcard certificate certified by a custom CA without any problems. However, I now want to use a new certificate for a new subdomain (a server), that has been certified by a recognized CA. Let's say the TLD is blah.org. I want my custom certificate with CN *.blah.org to be used on all domains except for new.blah.org that will use its own certificate/key pair of files with CN new.blah.org. How would one do that? Adding new ssl_* directives inside the server block doesn't seem to override the global settings.

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  • Virtual Windows Servers and Pagefile location [closed]

    - by Luke Puplett
    Considering that Windows makes heavy use of the pagefile even with huge amounts of RAM available, is it not best to have this pagefile on the fastest disk possible as close to the virtual systems as possible? I'm thinking, RAM disk. Where I work, storage for VMs is out on a NAS/SAN. I'm worried that so much memory access is having to go across the network! As a side, I think its about time MS got rid of paging and told us to buy more DIMMS. UPDATE So this question has been downvoted??! Accessing a local spindle is C40,000 times slower than a DIMM, so going over the network will be even slower for hard faults. I don't know why I got the downvote, I'm certain that this is an issue unless there's some other mechanism in ESX/HyperV that manages this.

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  • Migrate servers and mailboxes?

    - by johnnietheblack
    I am moving a website from one hosting provider to another, and this of course means that I need to migrate all the mailboxes as well. Do I have to manually move all the old emails from one server to another, or will all the email clients "save" a copy of the old emails on each computer? UPDATE Pardon, the naivety - I hope this additional info helps: I'm doing this remotely, so I am not sure which email client(s) people will be using at the office, but I will need to be prepared for both POP and IMAP setups. Also, the server they currently have is on VPS.net (cPanel), and we are migrating to a MediaTemple Dedicated Virtual (Plesk). Both Linux.

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  • Rackspace Cloud Sites API (Not Cloud Servers)

    - by Jeff
    I'm looking for a way to pull data from my Rackspace Cloud SITES account. The data I want to pull is bandwidth, diskspace, and compute cycles (all available from control panel). I'd like to set up my own warning system, to be notified if I'm close to my limits on any given month. Does anyone know of a way/API to do this?

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  • nginx proxy pass redirects ignore port

    - by Paul
    So I'm setting up a virtual path when pointing at a node.js app in my nginx conf. the relevant section looks like so: location /app { rewrite /app/(.*) /$1 break; proxy_pass http://localhost:3000; proxy_redirect off; proxy_set_header Host $host; proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; } Works great, except that when my node.js app (an express app) calls a redirect. As an example, the dev box is running nginx on port 8080, and so the url's to the root of the node app looks like: http://localhost:8080/app When I call a redirect to '/app' from node, the actual redirect goes to: http://localhost/app

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  • Apache rewrite rules behind a nginx proxy

    - by Tuinslak
    Hi, I am running nginx (:80) in front of an Apache webserver (:8080) Nginx config (snippet): location / { proxy_pass http://www.domain.tld:8080; proxy_set_header X-Real-IP $remote_addr; If I set localhost instead of www.domain.tld, my browser gets redirect to http://localhost:8080. Apache rewrite rules: RewriteEngine On Options +FollowSymlinks RewriteBase / RewriteCond %{HTTP_HOST} !^www\. RewriteRule ^ http://www.%{HTTP_HOST}%{REQUEST_URI} [L,R=301] RewriteCond %{REQUEST_FILENAME} !-f RewriteCond %{REQUEST_URI} !\..+$ RewriteCond %{REQUEST_URI} !/$ RewriteRule (.*) http://%{HTTP_HOST}/$1/ [L,R=301] RewriteCond %{REQUEST_URI} !v2/ RewriteRule ^(.*)$ v1/$1 [L] So far, so good. However, every link (which uses relative paths) appears as http://www.domain.tld:8080/page instead of staying on port 80. Is there any way to solve this through the rewrite rules? I don't want to use absolute paths. Thanks

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  • VNC connection via SSH proxy machine

    - by pufferfish
    I would like to make a VNC connection from home to a Windows machine at work. The Windows machine is not accessible from the outside, but there is a Linux box that does have port 22 open, so it would seem that this can be done. I suspect it's just a command that "forwards" connections to port 22 on the Linux machine to the Windows machine? Just can't find an example that does exactly this though Thanks in advance!

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  • Files copying between servers by creation time

    - by driftux
    My bash scripting knowledge is very weak that's why I'm asking help here. What is the most effective bash script according to performance to find and copy files from one LINUX server to another using specifications described below. I need to get a bash script which finds only new files created in server A in directories with name "Z" between interval from 0 to 10 minutes ago. Then transfer them to server B. I think it can be done by formatting a query and executing it for each founded new file "scp /X/Y.../Z/file root@hostname:/X/Y.../Z/" If script finds no such remote path on server B it will continue copying second file which directory exists. File should be copied with permissions, group, owner and creation time. X/Y... are various directories path. I want setup a cron job to execute this script every 10 minutes. So the performance is very important in this case. Thank you.

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  • How to share datastores between multiple exchange servers?

    - by Johan
    I have an Exchange 2003 box that is seriously overstressed. I want to transfer its duties to a new and faster box. I don't cannot suffer downtime, so I have to do this stuff live. Here's what I plan to do: Install Exchange 2003 on the new server Set up the new server, so it will accept requests from users for their mailboxes I want to do as little manual set up as possible, because that 'll eat up my time and is too error prone Than I want to transfer my datastores one by one to the new server and have those users (once the datastore in the new server is up and running) to get their data from the new server (without them noticing) I don't have to transfer all the datastores, some of them need to stay on the old box (because I'm still waiting for extra HD space to arrive from the supplier) What steps do I need to follow to do this? The new box has never seen this domain before, the old exchange server is not the DC, we have a dedicated DC.

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  • Squid 2.7 in offline_mode yet tries to contact DNS servers to resolve addresses

    - by William C
    I installed Squid 2.7 to act as a web cache on my laptop, so that I can browse previously-visited sites when I don't have WiFi. Except http_access allow all, I've made no changes to the default squid.conf configuration. When I turn offline_mode ON and disconnect from the Internet, and then I visit sites, I encounter The following error was encountered: Unable to determine IP address from host name for whatever.sitename.com The dnsserver returned: Timeout on any site I visit. What settings do I need to add to squid.conf so I can browse sites offline?

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  • Follow through - How to setup equivalent USVIDEO.ORG DNS-Proxy on Linux

    - by DNSDC
    I'm quite keen to setup similar service (but FREE) and seems you know how to do this. "you need to run your own private dns with artificial records for example pandora.com you also need a real dns to fall back on. now that all requests for these sites are going to your US located box you can open up port 80 on squid and listen for the traffic. your cache_peer settings should allow you to map each domain to their real ip. The trafic now flows initially from your US located box to the service but then the server responds it responds directly to the host. no magic here. I won't share the fine details as it probably best serves all to not over exploit this." Did you mean we need to 1. Setup Forward-only DNS on a US-based server/ip? 2. Setup cache_peer and cache_peer_domain in Squid, I got this. 3. Any iptables rule, prerouting, postrouting rules needed to accomplish this? Appreciate your expert advice. Cheers, Don

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  • Preventing back connect in Cpanel servers

    - by Fernando
    We run a Cpanel server and someone gained access to almost all accounts using the following steps: 1) Gained access to an user account due to weak password. Note: this user didn't had shell access. 2) With this user account, he accessed Cpanel and added a cron task. The cron task was a perl script that connected to his IP and he was able to send back shell commands. 3) Having a non jailed shell, he was able to change content of most websites in server specially for users who set their folders to 777 ( Unfortunately a common recommendation and sometimes a requirement for some PHP softwares ). Is there a way to prevent this? We started by disabling cron in Cpanel interface, but this is not enough. I see a lot of other options in which an user could run this perl script. We have a firewall running and blocking uncommon outgoing ports. But he used port 80 and, well, I can't block this port as a lot of processes use them to access things, even Cpanel itself.

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