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• Windows Server 2003/Exchange 2007: How to setup public domain mail.foo.com to route to internal exch

  - by ryan.keeter

  Good day, I have an internal Exchange Server 2007 and a Windows Server 2003 domain. At this point in time I have an external DNS setup (DynDNS 29.95 service) to resolve foo.com to my singular public IP address then it gets routed to external facing site. I would like to know how to setup POP on mail.foo.com and SMTP on smtp.foo.com, and more importantly, what needs to be setup in Exchange server to allow for this to happen. My end state is to send email through smtp.foo.com and receive mail on mail.foo.com. As of now, when I create a user within Exchange the default email address is [email protected], and I would like it to be [email protected]. Thank you and I appreciate the help as I am a .NET developer trying to do sys admin work, and it is MUCH harder than I have ever imagined, my hat is off to all sys admins and IT pros.

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• Slow write speeds on new Gigabit home file server

  - by Ryan Holder

  So I finally got all my parts delivered to setup a home file/backup server this week. It's currently running Ubuntu Server and I'm using Samba to share files on my network. The server currently has a 2TB WD Green drive in it connected to a Asus M5A78L-M This is then connected via CAT6a to my new Gigabit switch (TP-Link TL-SG1005D). My home desktop is then also connected to this switch and again also through CAT6a cable. Currently when transfering files I will get a perfect 100MB/s read from the server to my Windows machine. When copying from my Windows machine to the server I get around 30/38MB/s. I know this drive is capable is faster speeds so would anybody have an idea of where the bottleneck is? Any help would be greatly appreciated :) EDIT: I have found ftp's write speed is much closer to what my Samba read speed is so I'm going to give it a guess that is a software problem rather than hardware

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• update nokia app installed via ovi

  - by Ryan Fernandes

  I've installed a version of a very handy application (Nokia Battery Monitor 1.1) and was quite pleased to see a v1.2 out recently. The problem is that I cant seem to update this app on my phone via the ovi app; the 'download' link is disabled. Also tried the 'sw update' app, but it reports that all applications are up-to-date. Any idea how do this without installing/reinstalling the app? The phone model is Nokia 5800

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• ESXi - Should failover node be in the same geographic location?

  - by Ryan

  For some reason it seems to me that at least one failover should be in the same building. But really I have no idea. Could there be an issue with routing delays for users during a failure? I'm just imagining reasons at this point. Let me know, should at least one failover node be at the same geographic location as the other? I am trying to prevent what appears to be a poor decision so any feedback or life experience you can share would be grand. Will mostly be running Windows Server 2008 with SQL Server 2008 as our guest OS.

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• What is involved in upgrading from SSL 2.0 to SSL 3.0 in IIS 6?

  - by Ryan

  I am using a site security testing suite and it says SSL 2.0 has known vulnerabilities and I should change it to SSL 3.0. Will my current certificates still work once I switch to SSL 3.0? How do I make the switch? Is it only in IIS or could I need to change anything on my web application? Thanks

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• Can I use a micro ec2 instance as a load balancer for my other large ec2 instances?

  - by Ryan Detzel

  The issue I'm having is I want to upgrade that instance often(security patches, etc) but I'm affriad something will fail and the site will be down. So, I want to have another server setup and load balance between the two that way I can easily disable one, upgrade it and once it's working add it back in the mix and repeat. What kind of machine is needed for a load balancer? Would the micro instance work just fine? The site gets anywhere from 3-10k hits/day. I plan on using nginx as the load balancer.

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• CPU clock scales down so computer is unusable after switching to battery

  - by Ryan

  When I am plugged in my laptop runs great however when I unplug it and I'm on battery power my CPU clock speed scales down pretty much all the way. I know this is happening by monitoring the clock speed. When plugged in it will usually stay between 1000MHz and 3000MHz but when I unplug it it quickly scales down to less than 500MHz and will get as low as 100MHz and it will NEVER scale up at all on battery power. After I plug the power back in it will then begin operating normally in about a minute. I have tried setting the MIN and MAX CPU performance in power options to 100% and have tried messing around with cooling settings which seemed to be a problem with HP laptops. I have a Toshiba Satellite M500-ST6444 running Windows 7. The BIOS is up to date. I have tried two versions.

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• growing EBS RAID volume

  - by Ryan Fernandes

  I've created a RAID0 configuration with two 1GB EBS volumes, mounted at /dev/md0 using mdadm and formatted with XFS Next, I copied some files over to fill the volume to around 30% of its capacity (of 2GB) I then created snapshots of the volumes using ec2-consistent-snapshot and created volumes of the said snapshots but specified the volume size to be 2GB (effective doubling the capacity on each disk) I then spun up a new instance, assembled the RAID0 configuration on /dev/md0 from the 2 volumes mentioned above and mount it to /vol df -hT showed /vol as 2GB (as expected) Now I ran sudo xfs_growfs -d /vol. The command completed normally but reported blocks changed from 523776 to 524160 (only!) and df -hT still showed /vol as 2GB (instead of the expected 4GB) I rebooted, remounted, reassembled the RAID but it still reports the old size. EDIT: trying to grow the RAID using mdadm --grow yields mdadm: raid0 array /dev/md0 cannot be reshaped Is there any other way I can grow a RAID0 array?

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• Renaming Nginx 1.3.5 Server: response header

  - by Ryan

  In nginx 1.2 & 1.3 you can modify the source to change the name: src/http/ngx_http_header_filter_module.c (lines 48 and 49): static char ngx_http_server_string[] = "Server: Not Nginx" CRLF; static char ngx_http_server_full_string[] = "Server: Not Nginx/1.0" CRLF; Renaming those and recompiling the source changes the server response name in nginx 1.2. However doing this in 1.3 does not seem to change the name. It still says nginx/1.3.5 and with server_tokens off; it just says nginx. How can I change the server name in 1.3 without installing the 3rd party addon headers more? I want to compile from source.

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• Our company claims that the DLP system can even monitor the contents of HTTPS traffic, how is this possible?

  - by Ryan

  There is software installed on all client machines for DLP (Data Loss Prevention) and HIPAA compliance. Supposedly it can read HTTPS data clearly. I always thought that between the browser and the server, this was encrypted entirely. How can software sneak in and grab this data from the browser prior to it is encrypted or after it is decrypted? I am just curious as to how this could be possible. I would think that a browser wouldn't be considered very secure if this was possible.

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• how to change zone of a extented webapplication-SharePoint?

  - by Ryan

  I have extended a webapplication and set its zone to Intranet but now we decided to make that site anonymous I made all the settings in authentication provider and site collection settings but its still showing its zone as Intranet . I read that its best practice to keep Internet as the zone for anonymous access.. How can I change it now and does it affect leaving it as Intranet?

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• Service or software to auto-sync one server to another so they are identical?

  - by Ryan

  We have a main node in a DC data center and want to setup a back-up node in Seattle. The back-up node will only be used if the DC node goes down and we switch it over while DC node is repaired. The question is, what kind of services out there allow me to sync the data, I suppose we want to do it fairly frequently so if something goes down there isn't much loss in data between the time of failure and the last back-up/sync. Is there any common solution for this? It's Windows Server 2003 running Parallels Virtuozzo.

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• After installing Office365 can you go back to Office 2008 (without the CD)

  - by Ryan

  I got this laptop from my dad and don't have the Microsoft Office 2008 CD which is what he had installed when he gave it to me to use. Now I've got a client that wants me to do some freelance work and sent me to Microsoft Exchange and the first thing it wants me to do in the Exchange is install Office365. The client mentioned very briefly that he would get me the software if necessary but he wasn't specific about what software. Now that I see it my concern is after the job is done I'll be left with a monthly bill to have Office. Will it be possible to go back to Office 2008 without having the CD?

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• Terminal command to change permissions to my 'Sites' folder and apply change to enclosed items?

  - by Ryan

  Using Snow Leopard, I'm having issues with permissions in my Sites folder. While I can navigate to localhost/~username and read any files or folders there, the same permissions have not been applied to enclosed items, and I get a 403 error trying to access them in the browser. If I select one of these enclosed folders and get info using Finder, I see the user 'Everyone' is set to 'No Access' but I can't change that (this behavior seems buggy, actually). And if I select my 'Sites' folder, the tool to 'Apply to enclosed items' is grayed out... Is there a Terminal command I can use to grant 'Read Only' access to my Sites folder, and all it contains, for the user 'Everyone'?

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• Why am I experiencing random connection timeouts? (CentOS)

  - by Ryan

  I have a CentOS server setup that currently hosts several websites (all relative of each other in some form or another). As of recently throughout the day at the most random times the website speed will lag to a crawl and eventually hit a connection timeout. When I say random times this typically happens anywhere between 10am and 1pm usually, however, this morning this happened to me at 8am. I do not have a lot of familiarity with server knowledge as far as what I am looking for in this situation. What are some possible causes of why my server is slowing the websites down to a complete crawl or timing out? Are there specific things I should be checking for when this happens? I have noticed using: tail /var/log/httpd/access_log That usually when this down time occurs there are lot of IP addresses related to BingBot, Googlebot, and sometimes various bots or spiders that I am unfamiliar with. Could this be related and if so how can I avoid this from causing my websites to lag out? Thanks in advance for any help or advice. The websites that are timing out are built with PHP and use a MySQL database to display information.

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• Adding a web folder via command line (Windows)

  - by Ryan

  I am trying to add a web folder via command line in windows. At first I though I should use the "net use" command, but when I tried I kept getting System error 67: C:net use * http://dev.subdomain.domain.tdl/dav/ the user name for 'dev.subdomain.domain.tdl': correctusername the password for dev.subdomain.domain.tdl: System error 67 has occurred. The network name cannot be found. The url I used works in a browser. It's an Apache dav on basic auth LDAP authentication method being used. Here's the thing... I CAN create a web folder when I use the "Add a network place" wizard. When I do net use, I don't see it listed in the prompt that follows. What utility do I need to use to mount a web folder in command line?

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• Hard Disk based storage library

  - by Ryan M.

  We have a Tandberg T24 tape device to handle all of our long term backups right now. We decided that we're not backing up nearly everything that we would like to and that we still have a lot of vulnerabilities. To get to where we want to be, we're going to have to back up a lot more servers than we're currently doing. All of our internal servers have some sort of directly attached drive (I.e. LaCie Raid box or a simple portable hard drive) doing backups, but what we want to do is get those backups off-site. The current tape drive is directly attached via SCSI to a Windows Server 2008 File Server. So to back up anything to tape, it has to be funneled through the File Server. With the current increase that we have planned, I don't think that funneling everything through the File Server is the right course of action and I'm thinking that maybe a second backup device would be more appropriate. I would like your input on a couple of ideas. 1) Doing HDD instead of tape. Tape is hard to deal with. We have a regular rotation cycle, so they don't need years and years of shelf life, so I'm wondering if something HDD-based would be better. 2) Something accessible over the network. Instead of having the device directly attached to one specific machine, have it available to all the servers over the network. Our File Server is a 12-disk raid 6 set up.. I was thinking something like that, but with no raid involved, all disks are stand alone so they can be used/installed/removed on an individual basis. Does any such thing exist? Thanks for your ideas. I'm really interested to hear about some of the solutions you guys are using..

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• second monitor wont display

  - by Ryan

  hi all my problem is this: i have one video card (radeon hd 4350) and 2 monitors (dell). the first monitor works using dvi-to-dvi. the second does not, using hdmi-to-dvi. the monitor does not register any input. however when i use vga-to-vga, the second monitor does work, with a typically low vga resolution. we have tested the hdmi-to-dvi cable, so why does the monitor not register any input? using windows vista. i have installed all the lastest drivers, done all the basic stuff etc. any help at all would be appreciated. thanks

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• Computer wont start, just blinks on and off

  - by Ryan

  This is really strange. I had a comp that was working fine for over a year, then suddenly it started to shut off, it got so bad that I press the power button and in around 30 secs while booting windows it would shut off, then 20 secs... then 10 secs, then it refused to start all together. So I bought a new PSU (850w Thermaltake, the old one was 550w corsair) thinking that was the problem, I fitted the new PSU now and its the same thing, I press the power button and my fans start for a split second (they have led lights on them, so the lights come on) and then everything goes off again. I thought maybe it was my power button that was loose on my comp, luckily I had another chassis near by so I disconnected the powerSW from the old one and put ran the powerSW from the new chassis, press the power on the new chassis and same thing, it blinks for a split second and off again. Double checked connections from the PSU to the cpu power as well as board mobo power, its tight. It's pretty unlikely both the PSUs have the same exact problem so am lost... Suggestions?

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• How to create location blocks in nginx for a single file but have it follow the rules of another location block in addition to it's own?

  - by Ryan Detzel

  I have a location block for / that does all of my fastcgi stuff and it has a normal timeout of 10s. I want to be able to have different timesouts for certain files(/admin, sitemap.xml). Is there an easy way to do this without copying the entire location block for each location? location /admin{ fastcgi_read_timeout 5m; #also use the location info below. } location /sitemap.xml{ fastcgi_read_timeout 5m; #also use the location info below. } location / { fastcgi_pass 127.0.0.1:8014; fastcgi_param PATH_INFO $fastcgi_script_name; fastcgi_param REQUEST_METHOD $request_method; fastcgi_param QUERY_STRING $query_string; fastcgi_param CONTENT_TYPE $content_type; fastcgi_param CONTENT_LENGTH $content_length; fastcgi_pass_header Authorization; fastcgi_intercept_errors off; fastcgi_param SERVER_ADDR $server_addr; fastcgi_param SERVER_PORT $server_port; fastcgi_param SERVER_NAME $server_name; fastcgi_param SERVER_PROTOCOL $server_protocol; fastcgi_param REMOTE_ADDR $remote_addr; fastcgi_param REMOTE_PORT $remote_port; fastcgi_param HTTP_X_FORWARDED_FOR $http_x_forwarded_for; }

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• SQL Server 'Real Time' Mirroring Possible?

  - by Ryan

  We have a SQL Server that has important databases for our clients, if the server goes down we want another server to be ready to be switched over (we would just change the IP). The question is, how can we automatically sync the primary SQL Server to the secondary one periodically through out the day? Or even in real time? Thanks!

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• Permissions error when creating desktop shortcut

  - by Ryan M.

  Hey guys, I have a user that's got a weird permissions problem on Windows 7. He's trying to create a shortcut for Outlook on his desktop(he doesn't want it in his start menu or his taskbar...). If we right click the outlook.exe and do Send to Desktop, it works just fine. If we do a search for "outlook" in the search bar, and then try and drag and drop the outlook icon to the desktop, we get the error message "You need Permission to perform this action. You require permission from SYSTEM to make changes to this file: Microsoft Office Outlook 2007". Dragging and dropping other exe's onto the desktop work just fine. They create shortcuts without any problems. But if I try to do ANY of the Office programs (Word, Excel, Outlook, etc..) I get this permission error. Any ideas? He's using an A.D. account and he's in the local administrators group. He's an executive so he's not accepting "this isn't a real problem because I found another way to make a shortcut" as an answer. Any help is appreciated.

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• Is there a more elegant way to apply conditions in nginx?

  - by Ryan Detzel

  Is there a better way to do this? I can't find a way to nest or apply boolean operators to conditions in nginx. Basically if there is a cookie set(non-anonymous user) we want to hit the server. If the cookie is not set and the file exists we want to server the file otherwise hit the server. set $test "D"; if ($http_cookie ~* "session" ) { set $test "${test}C"; } if (-f $request_filename/index.html$is_args$args) { set $test "${test}F"; } if ($test = DF){ rewrite (.*)/ $1/index.html$is_args$args? break; } if ($test = DCF){ proxy_pass http://django; break; } if ($test = DC){ proxy_pass http://django; break; } if ($test = D){ proxy_pass http://django; break; }

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• second monitor wont display [closed]

  - by Ryan

  hi all my problem is this: i have one video card (radeon hd 4350) and 2 monitors (dell). the first monitor works using dvi-to-dvi. the second does not, using hdmi-to-dvi. the monitor does not register any input. however when i use vga-to-vga, the second monitor does work, with a typically low vga resolution. we have tested the hdmi-to-dvi cable, so why does the monitor not register any input? using windows vista. i have installed all the lastest drivers, done all the basic stuff etc. any help at all would be appreciated. thanks

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• Status: 0xc00000e9

  - by Ryan Galloza

  When I start up windows normally it just freezes , I click "Launch Startup Repair" I get this: "Windows has encountered a problem communicating with a device connected to your computer. This error can be caused by unplugging a removable storage device such as an external USB drive while the device is in use, or by faulty hardware such as a hard drive or CD-ROM drive that is failing. Make sure any removable is properly connected and then restart your computer If you continue to receive this error message, contact the hardware manufacturer" How do I fix this problem?

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