Search Results

Search found 12497 results on 500 pages for 'linked servers'.

Page 319/500 | < Previous Page | 315 316 317 318 319 320 321 322 323 324 325 326  | Next Page >

• Network adapters reliability

  - by casey_miller

  Can you help me with understanding of reliability of network adapters. Most of the time servers do have at least 2 NIC's bonded to provide sort of a HA for it. So in case of one NIC fails, the second would still do the job. I wonder which factors work when you use network adapters. I know that, the most important and weakest part of any computer system is: storage (i.e HDD). but how reliable actually network adapters are? There are more expensive ones, and cheaper adapters. In which cases do they actually fail? In what circumstances. May it be a intensive usage of them Time when it's on In your experience how often you found yourself changing NIC's due to their fail? Or just what's the typical lifetime of commodity NIC's? thanks.

  Read the article

• Disable .net completely in a IIS6 Application Pool

  - by David L.-Pratte

  we're managing some web sites for our clients on our servers, some running Windows Server 2003 R2 and others running 2008 R2. In Windows Server 2008 R2, we can disable completely .NET framework usage for some application pools, which is great since most of our websites are still using classic ASP. After some issues with classic ASP applications being configured to run as ASP.NET 4 in a CLR 2.0 pool, we wanted to do the same thing in IIS6 - that is, have application pools without any .NET support. Is this a supported scenario in IIS6? Thanks

  Read the article

• Do you work in your server room?

  - by Gary Richardson

  I once had a job offer from a company that wanted my workstation to be in the AC controlled, noisy server room with no natural light. I'm not sure what their motivation was. Possibly it made sense to them for me to be close to the servers, or possibly they wanted to save the desk space for other employees. I turned down the job (for many reasons, including the working environment). Is this a common practice? Do you work in your LAN room? How do you cope?

  Read the article

• Providing high availability and failover using MySQL on EC2

  - by crb

  I would like to have a highly-available MySQL system, with automatic failover, running on Amazon EC2 instances. The standard approach to solving this is problem Heartbeat + DRBD, but I've found a lot of posts suggesting DRBD doesn't work on EC2, though none saying exactly why. Obviously, a serial heartbeat or distinct network is out of the question in the virtualised environment. It would also be good to have the different servers be in different availability zones, but we're getting into a much harder problem there. What are peoples' opinion on having a high uptime solution in "the cloud"? Note: This question was asked before RDS with multi-AZ was announced, which is the nice automatic answer for today's modern IT professional. :)

  Read the article

• Can't access dfs namespace over vpn

  - by cpf

  Hi Serverfault, I've recently configured 2 servers in AD on the same domain level. They are physically separated and permanently connected through a site-to-site vpn for dfs replication. All well, but when users connect to either site through vpn (from home e.g.) they can't use the domain level method: \\domain.com\data Internally this works perfectly, resolving domain.com when connected through vpn gets the correct IP. I've tried Google to figure things out. What I was able to find was that more people have this issue, no real solution found though. Can anyone explain why this is happening? Especially a solution would be really helpful! Thanks in advance.

  Read the article

• Avoiding spam filters on my CentOS 5.5 64bit server?

  - by Andrew Fashion

  I run a social network on my web server, with about 15,000 members right now. My administration section let's me Mass Email all my users. Currently it uses the built in PHP mail function. What is the best way to congfigure my server to bypass spam? Can I install anything on the server? Or should I just make the social network use SMTP? The admin panel lets me choose SMTP or built-in mail function. I'm not to familiar with mailing from servers, as I usually use Aweber for my mailing, but I cannot use Aweber for this as they will not let me just import 15,000 emails. Let me know, thanks.

  Read the article

• Cannot connect to telnet server

  - by BloodPhilia

  So, I can't use telnet to connect to any server but it works fine from a different computer. It just says it can't connect. I tried the following things: Disable firewall and AV protection. (Basically, there was no security feature left online) Telnet is set to "Trusted" in my AV protection. (Kaspersky Internet Security 2011) Using Putty to telnet, but apparently Putty's connection is also inhibited. (Says it can't connect to host) Disabling the telnet client in Control Panel and then re-enabling it. (Windows 7 Ultimate) hosts file is clean. Checked for nasties using MBAM and KIS 2011 as well as going though my HijackThis logs, nothing found. I can connect to the same machines/servers through the web browser, ping, tracert, etc. Only telnet seems to be blocked. Any other thoughts?

  Read the article

• Deactivating website in ISPConfig shows another site

  - by Mattias

  A long time ago, one of our clients setup a subdomain pointing to our ip-adress. We added a website (SitesWebsiteAdd new website) that points to one of our servers. The project is now closed and the client wants us to remove the content. When we deactivate (by unclicking active) this site it automatically defaults to another website we have in our list (!?). So, because the client is still pointing to our ip, when entering project.client.com another client project is showing up by default. How is this possible? Any suggestions? I can ofcourse give you guys more details when you tell me what details you need. Thanks

  Read the article

• University Assignment: Datacenter/Networking Infrastructure for Hosting Company [closed]

  - by TCB13

  My university assigned me to theorizing a data center for an Web Hosting company. The company should provide the following services: Shared WebHosting; Dedicated Servers; VPS (Virtual Private Server); The bandwith (as resquested) is limited to 10 Gbps. Is there any good book / other info I can read (max 100 pages) about how to design a good data center for hosting, what are the best practices and what should be done from a (logical) network perspective, what security policies should be implemented and how the data center should be built (physically)? Thank you ;)

  Read the article

• SSL Certificates, two-way authentication and loadbalancers

  - by 5arx

  We're looking to implement two-way authentication with client certificates for a privileged subset of our application users. The idea will be that if a certificate is detected the user will be asked for an additional password/PIN and that will be used to verify the certificate and user. Ordinary users will continue to authenticate themselves via the standard login mechanism. Our production environment (hosted by a well-known company) comprises load-balanced application servers and I'm unclear as to how this set-up will handle the certificates and I'm not certain if there are any pitfalls I should be aware of. I would very appreciate some thoughts, comments or real-world advice on the subject.

  Read the article

• Nginx reverse proxy IP issue

  - by Tiffany Walker

  For some reason Apache is still seeing my SERVERS ip. Is this an nginx problem? /etc/nginx.conf user nobody; # no need for more workers in the proxy mode worker_processes 4; error_log /var/log/nginx/error.log info; worker_rlimit_nofile 20480; events { worker_connections 5120; # increase for busier servers use epoll; # you should use epoll here for Linux kernels 2.6.x } http { server_name_in_redirect off; server_names_hash_max_size 10240; server_names_hash_bucket_size 1024; include mime.types; default_type application/octet-stream; server_tokens off; disable_symlinks if_not_owner; sendfile on; tcp_nopush on; tcp_nodelay on; keepalive_timeout 5; gzip on; gzip_vary on; gzip_disable "MSIE [1-6]\."; gzip_proxied any; gzip_http_version 1.1; gzip_min_length 1000; gzip_comp_level 6; gzip_buffers 16 8k; # You can remove image/png image/x-icon image/gif image/jpeg if you have slow CPU gzip_types text/plain text/xml text/css application/x-javascript application/xml image/png image/x-icon image/gif image/jpeg application/xml+rss text/javascript application/atom+xml; ignore_invalid_headers on; client_header_timeout 3m; client_body_timeout 3m; send_timeout 3m; reset_timedout_connection on; connection_pool_size 256; client_header_buffer_size 256k; large_client_header_buffers 4 256k; client_max_body_size 200M; client_body_buffer_size 128k; request_pool_size 32k; output_buffers 4 32k; postpone_output 1460; proxy_temp_path /tmp/nginx_proxy/; client_body_in_file_only on; log_format bytes_log "$msec $bytes_sent ."; include "/etc/nginx/vhosts/*"; } proxy.inc proxy_connect_timeout 59s; proxy_send_timeout 600; proxy_read_timeout 600; proxy_buffer_size 64k; proxy_buffers 16 32k; proxy_busy_buffers_size 64k; proxy_temp_file_write_size 64k; proxy_pass_header Set-Cookie; proxy_redirect off; proxy_hide_header Vary; proxy_set_header Accept-Encoding ''; proxy_ignore_headers Cache-Control Expires; proxy_set_header Referer $http_referer; proxy_set_header Host $host; proxy_set_header Cookie $http_cookie; proxy_set_header X-Real-IP $remote_addr; proxy_set_header X-Forwarded-Host $host; proxy_set_header X-Forwarded-Server $host; proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; vhost file: server { error_log /var/log/nginx/vhost-error_log warn; listen 63.6.1.12:80; server_name photo-rolldomain.com www.domain.com; access_log /usr/local/apache/domlogs/domain.com-bytes_log bytes_log; access_log /usr/local/apache/domlogs/domain.com combined; root /home/mtech/public_html; location / { location ~.*\.(3gp|gif|jpg|jpeg|png|ico|wmv|avi|asf|asx|mpg|mpeg|mp4|pls|mp3|mid|wav|swf|flv|html|htm|txt|js|css|exe|zip|tar|rar|gz|tgz|bz2|uha|7z|doc|docx|xls|xlsx|pdf|iso)$ { expires 7d; try_files $uri @backend; } error_page 405 = @backend; add_header X-Cache "HIT from Backend"; proxy_pass http://63.6.1.12:8081; include proxy.inc; } location @backend { internal; proxy_pass http://63.6.1.12:8081; include proxy.inc; } location ~ .*\.(php|jsp|cgi|pl|py)?$ { proxy_pass http://63.6.1.12:8081; include proxy.inc; } location ~ /\.ht { deny all; } }

  Read the article

• VMware two vSwitches Guests can't communicate between them

  - by Aaron R.

  I have some servers in this configuration: And I am not able, from VMGuest1, to ping either VMGuest3 or VMGuest4. I can, however, ping Host1 and Host2, which are attached to pSwitch1. The behavior is the same with VMGuest3 or 4 trying to ping VMGuest 1 or 2. I don't have promiscuity enabled for any of these switches, nor do I have a bridge set up inside ESXi for the virtual switches. I know that one of these options is usually necessary when trying to get connectivity between two virtual switches. These switches are connected, however, through their respective physical switches which are bridged together. Ping just times out, arp request looks like this: [root@vmguest1:~]# arp -a vmguest3 vmguest3.example.com (1.2.3.4) at <incomplete> on eth0 [root@vmguest1:~]# arp -a host1 host1.example.com (1.2.3.5) at 00:0C:64:97:1C:FF [ether] on eth0 VMGuest1 can reach hosts on pSwitch1, so why can't it get to hosts on vSwitch1 through pSwitch1 the same way?

  Read the article

• MDaemon vs Exchange (2007-2010). Which way should we choose ?

  - by Deniz

  We are at the verge of a mail server decision. We do currently use 2 mail servers : MDaemon 10 and Exchange 2003. We are planning to use a company and customer wide one point solution. Our main candidates are MDaemon 11 and Exchange 2007 or 2010. We would like to learn other users experiences on those solutions. The server-side experiences, the user-side experiences , TCO, support options etc. And if there where other solutions (maybe MDaemon 11 + Exchange or anything else) you could suggest ?

  Read the article

• Fastest web server for serving static content

  - by Swader

  Hello, I'm optimizing our system for some faster static content delivery, and was wondering if anyone has any proper experience with the fastest web servers out there for such a purpose. From the three main candidates I've considered, Nginx, Cherokee and Lighttpd, each seems to have its own problems - but the reports I've read online are somewhat biased and lean towards whichever server the user is currently using. Any ideas on where to see a proper benchmark for this specific purpose, or at least a non-biased list of pros and cons? Any personal experiences and pitfalls I should be vary of? Thanks Edit: Serverfault.com gave the answer as nginx. I'd still like to hear some developer thoughts from this end of the universe.

  Read the article

• Address rewriting postfix

  - by ACHAL

  I am using CentOs5 and postfix as an MTA for my server. My situation is as follows:- I have a mail server through which Php applications connect and send mails to the destination addresses. The problem is that the the application servers do not have spf/dkim record set up and my server which actually relays the mails to the network has spf/dkim records. So i want the mail sent by an application having a return address:[email protected] to change to [email protected]. r09.4reseller.org is hostname of my mail server. This i have done by generic mapping in postfix: smtp_generic_maps = hash:/etc/postfix/generic In /etc/postfix/generic: [email protected] [email protected] This is working as return address is changed to [email protected] when mail is sent. But when i try to sent mail on [email protected] I don't get mail on [email protected]. I have tried virtual mapping in postfix i.e by the file /etc/postfix/virtual but its not helping.

  Read the article

• Server 2003 Functional Domain DFS Replication Problem (Files being moved to conflicted folder for no reason)

  - by Az

  We have 2 Windows 2003 servers configured with a DFS namespace and we are running into problems with the redirected profiles we have setup. Basically, one server is the FSMO master for all roles, and we have another DC that is the DFS namespace primary server. We have profile redirection setup using the \dfsnamespace\userprofile formula. The FSMO master DC locks up occasionally (don't ask :), and when it does, and we bring it back up... All of the user profiles hosted on the DFS namespace get overwritten when a user logs in. The current profile gets moved to the conflicting and deleted items folder. This strikes me as really odd considering the whole point of using DFS was to provide some redundancy in case one server went down. Can anyone help? Thanks in advance! -Nate

  Read the article

• DDoS attacks to PBX

  - by user316687

  I'm wondering if DDOS attacks to PBX or telecommunications systems is possibe real. According to this links: http://threatpost.com/en_us/blogs/firm-sees-more-ddos-attacks-aimed-telecom-systems-073112 http://news.softpedia.com/news/DDOS-Attacks-Against-Telecom-Systems-Cost-as-Little-as-20-16-Per-Day-284875.shtml it is possible. There are DDOs attacks to web servers, which mostly give them so much concurrent loads or connections that service get unavailable. Many government or non-profit organizations that suffered this kind of attacks, eventually could choose to shutdown their web server and that's it, waiting for these attacks to end. For a DDOs attacks to PBX, I imagine that it would result in telephones getting busy or ringing all the time unstoppably. This kind of attack could really damage any kind organization. Is it possible to do that or are we just in the beginnings?

  Read the article

• How do I create a free server-side database to be accessed via Windows forms and/or browser?

  - by NoCatharsis

  I have no formal education in databasing or programming, but I've learned enough SQL, C++, and C# to at least get started setting up a small database on my company's server. Using MS SQL Server 2008 R2, I have created the database and set up columns with proper data types. However, there seems to be a lot of tweaks and details that are way over my head. Since I would like these data to be accessible to the other 7 or 8 people in my office (preferably via web browser), I'm wondering whether this is the best setup for my situation. The other option I've read about is a LAMPP server, which I assume is the competing free option to Microsoft's Express packages. I know nothing of LAMP servers except from the articles I've read on how to set them up (and I believe I even saw a detailed tutorial somewhere). To summarize, my question is this: Which of these (or any other) server setups would best suit my purposes, keeping in mind that I'm a true novice (but willing to learn), and would like to keep it free until I get more experience?

  Read the article

• How can I uninstall a clustered SQL instance if the cluster has been destroyed?

  - by Bob

  First time going through this scenario, and apparently I did it very wrong. On the DB servers I deleted the cluster group that held SQL and Reporting Services. I then destroyed the cluster. Then I tried to uninstall SQL. No dice. SQL still thinks its part of the non-existant cluster and will not let me uninstall it. I went into the Maintenance menu of the SQL setup and tried to Remove Node...nope. Unless I find a way out of this I will have to rebuild the OS if I can't get SQL off the box.

  Read the article

• What is a SIP 'Gateway' and how is different from a SIP Proxy/Registrar?

  - by Shrey

  Recently I started looking at SIP implementation for a future work. I was reading (Googling) about what SIP means and how to go about implementing a end-to-end SIP enabled VoIP network. What I did not get is what use does a SIP Gateway is for? How different is it with respect to SIP proxy servers or a SIP DNS/Locator like server? I understand probably QoS would be one primary factor - like dedicating a set bandwidth for SIP/VoIP specific I/O over a network. Anything else? Can anyone help me with any other hints/pointers? I fully understand that is quite a basic question - but I really couldn't find any text which could clear my doubt about what 'Gateway' would mean in SIP context and what differentiates it from other SIP based network components (like Softphones, Proxies etc). Thanks a lot.

  Read the article

• email archive for multiple users

  - by evanmcd

  Hi, I'm moving a web site from one server to another, and am realizing that I need to move the name servers for the domain as well (they are set to the current host, not to the registrar). So, knowing that email services will stop as soon as I switch the DNS, I'm scrambling to figure out how to archive and make available email data for folks that have mostly been using webmail for the past few years, and may not even have a computer on which to install a client to download the mail to. What does one do in this situation? Thanks for any help offered! Evan

  Read the article

• Firewall Deep Inspection Updates and Antivirus Subscription, worth it?

  - by msemack

  I realize that this is a subjective question, but I'm trying to get some experiences We have Juniper firewalls in our organization (SSG-320M, SSG-5, and some old NS-5GT). We have the option of a yearly subscription for: Deep Inspection Signature Updates Juniper-Kaspersky Antivirus I seem similar services available from other Firewall vendors. We have Symantec Endpoint Protection deployed to all workstations and servers, plus a dedicated appliance for e-mail spam/virus filtering. So, I'm not sure what these firewall-base services will bring to the table that I don't already have. I would appreciate some feedback from people using these firewall services (Juniper or otherwise). Are these services generally worth it? Do they really catch anything? Do they interfere with normal traffic (false positives)?

  Read the article

• DNS lookup working but nothing pinging

  - by blsub6

  I have three forward lookup zones in my DNS server. When I try pinging a server that's part of lookup zone A from a computer that's part of that same zone, I get a response. If I try pinging a server that's not in the same zone as the computer I'm pinging from, I get nothing. When I try an nslookup of the servers that are not part of the same lookup zone, the names resolve correctly. If I append the domain onto the name, I can ping it just fine. Is there a way I can fix this? or do I need to keep appending the domain onto the name if the computer I'm trying to ping is not of the same domain as me?

  Read the article

• How to ignore an error in Powershell and let it continue?

  - by Jake

  I am trying to see if a process is running on multiple servers and then format it into a table. get-process -ComputerName server1,server2,server3 -name explorer | Select-Object processname,machinename Thats the easy part - When the process does not exist or if the server is unavailable, powershell outputs a big ugly error, messes up the the table and doesn't continue. Example Get-Process : Couldn't connect to remote machine.At line:1 char:12 + get-process <<<< -ComputerName server1,server2,server3 -name explorer | format-table processname,machinename + CategoryInfo : NotSpecified: (:) [Get-Process], InvalidOperatio nException + FullyQualifiedErrorId : System.InvalidOperationException,Microsoft.Power Shell.Commands.GetProcessCommand How do I get around this? If the I would still like to get notified if the process isn't available or Running.

  Read the article

• TCP/IP performance tuning under KVM/Qemu

  - by vpetersson

  With more and more companies switching to public cloud services, I'm curious what you guys' thoughts are on TCP/IP tuning in the cloud. Is it worth bothering with? Given that you don't have access to the host-server, you're somewhat limited I presume Let's say for the sake of the argument that you're running three MongoDB-servers in a replica-set on FreeBSD or Linux that all sync over an internal network. I'd also be curious if anyone made any actual performance benchmarks to back up their arguments. I benchmarked the various network drivers available for KVM/Qemu here, but I'm curious what the gurus here suggest to tune further. I started playing around a bit with the tuning-recommendations as suggested over here, but interestingly enough I saw a decrease in performance, rather than an increase, but perhaps I didn't fully understand the tweaks. Update: I did a few more benchmarks and posted the result here. Unfortunately the result wasn't really what I expected.

  Read the article

< Previous Page | 315 316 317 318 319 320 321 322 323 324 325 326  | Next Page >