All Questions
325,277
questions
3
votes
3
answers
1k
views
Any advice for administrating a headless server?
I have a headless server (with a desktop (ubuntu 10.04)) that I VNC into (using RealVNC) whenever I want to do anything with it. However, VNC-ing does not seem reliable. Every week I have a connect ...
1
vote
2
answers
1k
views
Dovecot suddenly stopped working. HELP! "can't auth"
I am running out of ideas here.. I've been trying to fix this for 3 hours. Box is debian lenny.
Mail.log contains the following:
Can't connect to auth server at /var/run/dovecot/auth-master: No such ...
1
vote
3
answers
123
views
One LAN: Two (or more) wireless APs?
For coverage reasons, I'd like to deploy 2 wireless access points for my LAN.
Do I just plug both AP's in to the same wired lan, and set them both to the same SSID & PSK? (On different channels, ...
1
vote
1
answer
1k
views
UEC - Ubuntu 10.10 - node registration problem
I am trying to setup a private cloud on two servers. All components register as expected except for my node. I've found one person who had the same exact problem using Ubuntu 10.10 during the beta, ...
0
votes
1
answer
101
views
Terminal Server monitoring/recording solutions [closed]
I saw an ad on ServerFault for a product called ObserveIT - it looks like a brilliant product, and we're in the process of trialling it in our staging environment.
Does anyone know of any other ...
0
votes
2
answers
4k
views
Postfix whitelisting several email domain
is there any way to whitelist certain email domain in postfix ?
eg. whitelisting (Hotmail.com. msn.com, Linkedin.com, gmail.com and yahoo.*) ?
this is for postfix install on my solaris box
Thanks.
7
votes
1
answer
3k
views
How do I monitor memcached evictions?
How do I monitor memcached to know if / how many evictions are occurring, and how much memory is used/free.
2
votes
1
answer
324
views
Backup Exec System State
Does anybody see any point in backing up System State using 'Backup Exec' when 'Backup Exec System Recovery' is running on a server?
The only good thing i can see coming from it is having the System ...
1
vote
3
answers
515
views
32 core multithreading performance for ASP.NET 4.0 and MS SQL 2008 Web Edition
Recently my user count has increased and my current server has started to become insufficient.
I am thinking about buying 4 x 8 = 32 core AMD CPUs using dedicated server. I wonder how good ASP.NET 4....
0
votes
1
answer
963
views
network architecture: inbound/outbound traffic from local to internet and vice versa
ive been reading about network architecture a bit, found an interesting paper from Sun Microsystems that, even though uses their hardware/software, gives a good idea about the basics of data center ...
2
votes
2
answers
7k
views
IIS 7.5 error 500 in fastcgi module after upgrading wordpress to 3.0.2
I am running multiple wordpress blogs on the following setup:
Server 2008 R2;
IIS 7.5;
PHP 5.3.3;
MySQL 5.0.7;
I upgraded my wordpress install from 2.9.2 to 3.0.2 (on 2 different sites) today and ...
0
votes
1
answer
1k
views
Are there any ready to use open source websocket server implementation?
Are there some open source websocket server implementations, especially ready for production? (Are there Erlang based out there?)
1
vote
2
answers
5k
views
netstat reports PID that doesn't exist - wtf and how do I close it?
I have an app that listens on port 7001, which sometimes crashes but leaves the port open. netstat reports a PID that doesn't exist. How is that possible? How can I force the port to close without ...
1
vote
4
answers
502
views
My LAMP server is getting hammered with traffic, how can I see what's causing the load?
We're getting tons of traffic but it's causing the site to respond extremely slowly, or not at all. I'm in WHM checking out the load, the top processes, etc but I can't seem to find exactly what the ...
2
votes
2
answers
192
views
Question about drives in a heavily used file storage server
I have a medium sized file storage website that allows people to backup their data online. A lot of these files are shared, and receive large amounts of traffic. I have several types of servers, and I ...
0
votes
1
answer
204
views
make out of memory
Using gcc to make mono 2.8 from source on a CentOS 5 VPS with 128mb RAM, and it seems to be hanging. The result of free-m shows all memory has been used.
$ free -m
total used ...
0
votes
2
answers
150
views
Stupid question about server permissions
Thanks for reading.
I have a share on a 2003 server that I would like to share with some of my domain users.
The share is currently empty, so n worries about permissions of subfiles/folders.
I have ...
1
vote
1
answer
121
views
Active Directory 2000 to Active Directory 2003
Looking for the most painless way to upgrade our Windows 2000 Active directory domain to Windows 2003 Active Directory.
Note: We do have Exchange 2003 running Active Directory 2000 domain
0
votes
1
answer
226
views
Access MySQL database from virtual machine hard drive (EBS volume) in Amazon EC2
I had an Ubuntu image that was corrupted and will not longer boot (hosted with EC2). This is just a problem with the OS booting and not a problem wit the actual EBS volume. So I have mounted the EBS ...
1
vote
1
answer
134
views
IIS6.0 Subauthentication to AD
So I have Windows 2003 with IIS6 Hosting an MVC web app that requires domain authentication. Any Good Ideas on how to do this. The errors I get is 400, 401 or service unavailable.
I have followed the ...
1
vote
1
answer
45
views
Exchange 2007 Replication Plan
At the moment I have 1 exchange 2007 server that I am backing up with backup-exec. I'm trying to come up with a way to handle something going wrong with him, how can I get back up and running. What ...
1
vote
3
answers
843
views
How to run parallel jdk version
I installed a new jdk 1.6 parallel to that existing 1.5, however I got this error when I run the java binary.
./java -version
Error occurred during initialization of VM
java/lang/...
0
votes
1
answer
3k
views
Why does dhclient only work if its not specified in /etc/rc.conf
I have just set up a FreeBSD 8.1 in a VM and am trying to get it to do DHCP automatically. Right now, if I leave /etc/rc.conf like so:
#ifconfig_de0="DHCP"
then I can do dhclient de0 and it gets an ...
1
vote
2
answers
4k
views
Getting an 'Access Denied' error when trying to create backup job for Backup Exec 10D
I guess the easy answer to my question is 'Something doesn't have the correct permissions'. =P.
I read Backup Exec b2d NAS, but that didn't really answer my question.
I have poked around the Admin ...
1
vote
3
answers
45k
views
How do you move Exchange 2007 Public Folders to Exchange 2010?
I'm upgrading my organisation's Exchange set-up from 2007 to 2010 (by provisioning a new server with 2010 on, moving the mailboxes across, then decommissioning the 2007 server). The move went by ...
0
votes
1
answer
6k
views
Outlook 2010 or Exchange is sending plain text when it should send HTML. Why?
If I open the saved .msg file I see the following:
<META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=Windows-1252">
<META NAME="Generator" CONTENT="MS Exchange Server version 6.5....
1
vote
1
answer
10k
views
What do I set as the Primary and Secondary DNS when hosting an internal DNS Server?
I have an internal DNS server and a router. I can never figure out what I should set as my Primary and Secondary DNS on the router and dns server.
Let's say my internal DNS server is 192.168.0.2 and ...
2
votes
1
answer
5k
views
Event Log "Wake Source" when system wakes from sleep
So I've been troubleshooting sleep timers for our systems and have run across an interesting issue. I need a way to report how long a system was awake after a number of different inputs. Now, I've ...
0
votes
2
answers
347
views
DHCP server can't assign addresses to some machines
I have a dhcp server here, running the isc-dhcpd daemon.
Some machines get an IP address fine, from syslog:
Dec 8 08:42:21 nethandler dhcpd: DHCPDISCOVER from 90:e6:ba:f6:xx:xx via eth0
Dec 8 08:...
2
votes
6
answers
975
views
Eliminate Email Blacklist by switching IPs and Servers
We are a legitimate company. We have had some issues in the past with Virus attacks/ Spam bots getting our email server blacklisted.
After the most recent attack I have been tasked at coming up with ...
0
votes
5
answers
133
views
Domain setup and DNS configuration and a little email
I'm trying to move a customers domain to my webhost and setup some email accounts. All very basic for most of you guys I guess. But I cant connect the dots in my head.
I have a reseller account at ...
1
vote
1
answer
588
views
Zend isn't sending response back to Flash
I have a project created with Flash Builder 4, which uses Zend Framework to interface with a PHP script that interfaces with our MySQL database. The person that set all this up for us has left the ...
2
votes
4
answers
279
views
Easiest way to install Windows Server as a virtual machine on Windows 7 desktop?
I need to test a few of my programs on a Windows Server and was wondering what would be the easiest way to install and run it in a virtual machine. Should I install VirtualBox and install a Windows ...
1
vote
1
answer
2k
views
saslauthd and PAM: "Too many open files" error - saslauthd restart fixes this - what is wrong?
I have a Postfix mail server running Debian Squeeze. SASL authentication for secure SMTP is supported by saslauthd which relies on pam, which relies on winbind.
This pattern seems to be reoccuring ...
2
votes
3
answers
503
views
Duplicate OS installation
I'm trying to copy my live server OS installation locally on a machine here so if something goes wrong we have a backup. I've installed the same OS version that's on our live system on this server ...
2
votes
1
answer
883
views
Apache Bench -- How to read AB data? My small, cloned dev server outperforms my production server. How do I rule out server hardware as an issue?
I'm getting very confused how to read Apache Bench data.
Apache Benching my local machine gives me wildly different numbers between my dev linode and my production linode. My dev server is a 512mb ...
2
votes
3
answers
228
views
HyperV Failover
I am looking to setup a 2 server HyperV environment with a Dell SAN in the back. I am setting them in cluster format and have 2008 r2 Enterprise servers for the hosts. Is there any other software that ...
0
votes
1
answer
397
views
SMTP Server recommendations
I have been running a webapp on webfaction shared plan and using webfaction smtp server fine.
But I am migrating to linode vps and when I try to send emails using webfaction configuration (my ...
0
votes
2
answers
1k
views
OSX: See bonjour computers through VPN?
I use VPN to connect to my works network. Is there a way to see those computers through bonjour once I connect? Currently I need their IP to connect since I can't see them.
Ideas?
0
votes
2
answers
1k
views
Can I archive a RAID NAS by removing and storing the drives?
We have a netgear readynas pro with 6 drives. It's configured using netgear's X-RAID2 format, which is (I think) similar to RAID 5. The NAS is almost completely full, and needs to be cleaned up and ...
1
vote
3
answers
3k
views
Nagios send mail when server is down
I am using nagios 3.06 to monitor the servers. When a service is critical, it sends a mail, but when a server is down no mail is sent. Even if all the services go to critical state, no mail is sent.
...
1
vote
3
answers
9k
views
Generating self-signed, wildcard certificate for IIS 7.5 on .local domain
Is it possible to generate self signed, wild-card ssl certificate for internal domain on IIS 7.5 for testing purposes. For example I'd like common name to be *.domain.local
Similar question for IIS 6 ...
0
votes
1
answer
117
views
Pushing image changes to multiple servers
I need the ability to push images out to multiple servers whenever they're updated. I've looked at Network Filesystems, but they're all but worthless due to their speed. Images can be uploaded to any ...
2
votes
4
answers
4k
views
Mysql high queries per second, with high cpu usage
I have a dedicated server with 4gb of ram and a Quad core Xeon cpu, serving a site with 350k pageviews a day using the wordpress script. The problem is, mysql is eating loads of cpu, and on ...
1
vote
1
answer
1k
views
SQL Server 2008 Replicating Linked Server Tables
I have a SQL2008 server with a linked Sybase server. I have several tables on the SQL2008 server that I need have merge replicated to some SQL2008 Express clients. I also need to get two tables from ...
1
vote
3
answers
2k
views
chmod of 400,000 files inside multiple subdirectories?
Howdy... I'm looking to chmod 777 a whole bunch of files. Alternatively, since it's more secure, I could also settle for a chown www:www of these files to make them web accessible.
Now, since I have ...
1
vote
2
answers
7k
views
Using local caching Bind9 DNS server to 'blacklist' certain domains
I have a Bind9 instance acting as a caching (forwarding) name server for a group of mail servers.
Basically it queries a few specific upstream nameservers only when the domains arent in the cache.
...
0
votes
1
answer
202
views
EC2 Ubuntu 10.04 publickey error on a new instance (key works for an existing instance)
Tried booting through the aws dashboard.
Also tried creating from the command line api tools.
Checked ssh with -vvv and made sure it was trying the key (note that an old instance with the same key ...
0
votes
2
answers
168
views
wired to wireless to wired network
There's a small network that's in 1 building that we want to extend to another building about 75 feet away but running an Ethernet cable is not easily doable. I'd like to extend the network wirelessly ...
0
votes
1
answer
5k
views
Router's QoS settings: are IP address subnet masks necessary?
Setting up my router's QoS settings, I can prioritize traffic according to a source IP address. However, alongside this, I'm also given the option of inputting that address' subnet mask. Is it ...