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• CPU / Affinity mask problem in SQL 2005

  - by Robert Moir

  Hi folks, Having a problem with a SQL Server which was virtualised. The CPU mask was set on the physical host for some reason and now advanced options are not available. So I need to reconfigure the CPU affinity mask settings - which are advanced options, so this is blocked because of the affinity mask issue. I've tried doing this from the SQL server in single user command line mode, I've googled and found lots of people with similar problems but no real solution. I'm stumped. Any ideas? Sample commands and output from query analyser below. sp_configure 'show advanced options', 1 GO RECONFIGURE WITH OVERRIDE GO sp_configure 'affinity mask', 0x00000000 GO RECONFIGURE GO ----------------------------------------- Configuration option 'show advanced options' changed from 0 to 1. Run the RECONFIGURE statement to install. Msg 5832, Level 16, State 1, Line 1 The affinity mask specified does not match the CPU mask on this system. Msg 15123, Level 16, State 1, Procedure sp_configure, Line 51 The configuration option 'affinity mask' does not exist, or it may be an advanced option.

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• Directory directive: AuthType None but still need an AuthProvider?

  - by Steffen Winkler

  For now I just need the server to let me download files from one specific folder (in my case I chose /opt/myFolder for that task) Distribution is Debian 6.0 *edit_start* Apache version is 2.4, according to their official documentation, the Order/Allow clauses are deprecated and should not be used anymore I'm an idiot: Apache version is 2.2. *edit_end* My directory directives in apache2.conf look like this: <IfModule dir_module> DirectoryIndex index.html index.htm index.php </IfModule> ServerRoot "/etc/apache2" DocumentRoot "/opt/myFolder" <Directory /> Options FollowSymLinks AuthType None AllowOverride None Require all denie </Directory> <Directory "/opt/myFolder/*"> Options FollowSymLinks MultiViews AllowOverride None AuthType None Require all allow </Directory> When I try to access a file inside that folder (http://myserver.de/aTestFile.zip) I get an Internal Server Error. Also Apache writes the following error into it's log: configuration error: couldn't check user. Check your authn provider!: /aTestFile.zip Why would I need an authn provider if I don't want any authentication? Also I hope someone can explain to me what kind of AuthenticationProvider I'd need for that. Everytime I search for those things I get pointed at people asking how to protect files/directories with passwords or restrict access to some IP addresses, which doesn't really help me. ok, since I've Apache version 2.2, here is the error I get when using the Order/Deny/Allow commands instead of AuthType/Require: Invalid command 'Order', perhaps misspelled or defined by a module not included in the server configuration.

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• Connecting to VNC Server behind Router

  - by waiwai933

  Right now, I have a Mac behind a Time Capsule1, which is behind a router installed by my ISP. In System Preferences, I've enabled Remote Management, but the IP address it gives me is a local IP address. How can I set up either my VNC Server (my Mac) or my VNC Client to connect to each other? N.B. My Mac is running Leopard, if that makes a difference. 1 Equivalent to an Airport Extreme

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• BSD route(8) MAN page bug

  - by Farseeker

  http://www.freebsd.org/cgi/man.cgi?query=route Route is a utility used to manually manipulate the network routing tables. It normally is not needed, as a system routing table management daemon such as routed(8), should tend to this task. ... BUGS The first paragraph may have slightly exaggerated routed(8)'s abilities. Is this really a "bug", or some developer's attempt at humour?

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• Unable to connect host from guest VPC.

  - by Kabeer

  Hello. My host is WinXP and my guest (on VPC 2007) is also WinXP. Both have SP2. I am unable to ping either from one another. However, I am able to connect to the Internet from the guest. My intention is to be able to connect the SQL Server on the host from the Management Studio installed on the guest. Right now I am using Shared Networking (NAT) on the guest's settings.

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• SQL 2008 - db mail issue

  - by Chris

  Hello. I have two instances of SQL Server 2008. One was upgraded from SQL Server 2000 and one was a clean, new install. The instances are running on different nodes of the same cluster, although I have tried having them both on the same node with identical results. SQL Mail operates perfectly on both instances. DB Mail operates perfectly on the newly installed instance. On the upgraded instance, DB Mail does not send any mail. Of course, I am not positive that the fact this instance is upgraded has anything to do with the issue, but it might. The configuration of my db mail profile and account looks identical to my functioning instance. In the configuration of the 'alerts' tab in the SQL Agent properties i have tried selecting both DB Mail and SQL Mail to no avail. Both instances use the same SMTP server with the same authentication (domain with db engine account). All messages sent via sp_send_db mail and those sent via the 'test email' option are visible in the sysmail_allitems queue and remain there as 'unsent'. The send_status eventually changes to 'failed'. The only messages in the sysmail_event_log are 'mail queue stopped by login domain\myuser', 'mail queue started by login domain/myuser' and 'activiation successful.'. selecting from the externalmailqueue has the same number of rows as sysmail_allitems. i have tried bouncing the agent, the entire instance and moving the other functioning instance to the other node in the cluster. any thoughts? thx.

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• Home server hard drive: 186k start-stop cycles in 325 days?

  - by j-g-faustus

  I set up a home server about a year ago, using Ubuntu server (10.04 LTS at the moment), four disks in RAID 5 for storage (WD Green 1.5 TB) and a laptop drive for the OS. Today the output of smartctl, a command line utility for checking the SMART attributes of a hard drive, tells me that the primary OS drive has had no less than 186,000 start-stop cycles in 325 days and may be nearing the end of its lifespan. The smartctl output is in "normalized values", in this case a number between 200 and 000, where 200 is "brand new" and 000 means "worn out". My disk gets 001. So I wonder what happened: 186k start/stop cycles in 7820 hours is about one start/stop per 2.5 minutes around the clock. This seems somewhat excessive for a computer that sees actual use once or twice per day. (The RAID disks are normal, averaging to one start/stop per day, as expected.) Does anyone have similar experiences, or pointers to what might be the issue here? Specifically I'd like to know Why the massive start/stop count? Do I have some sort of configuration issue? Could there be a background service that is causing trouble? Could having a laptop disk as the OS drive be part of the problem? Can anyone confirm or deny this? Here is the /etc/hdparm.conf configuration /dev/sda { apm = 127 spindown_time = 120 } and the most relevant parts of smartctl --attributes /dev/sda: smartctl version 5.38 [x86_64-unknown-linux-gnu] Copyright (C) 2002-8 Bruce Allen === START OF READ SMART DATA SECTION === SMART Attributes Data Structure revision number: 16 Vendor Specific SMART Attributes with Thresholds: ID# ATTRIBUTE_NAME FLAG VALUE WORST THRESH TYPE UPDATED WHEN_FAILED RAW_VALUE 1 Raw_Read_Error_Rate 0x002f 200 200 051 Pre-fail Always - 0 4 Start_Stop_Count 0x0032 001 001 000 Old_age Always - 185875 9 Power_On_Hours 0x0032 090 090 000 Old_age Always - 7820 12 Power_Cycle_Count 0x0032 100 100 000 Old_age Always - 109 193 Load_Cycle_Count 0x0032 118 118 000 Old_age Always - 246833 194 Temperature_Celsius 0x0022 107 098 000 Old_age Always - 36 As I generally prefer my drives to last more than a year, any advice is appreciated.

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• Group policy not applying to security group

  - by ihavenoideawhatimdoing

  Preface: I have enough privileges to create GPOs in my OU, and have made a few of them for some simple tasks (like deploying a printer to certain users). Not actually a sysadmin...I'm a developer who is winging it. I wanted to create a GPO that would set a mapped folder for a certain security group (which I recently created and that contains only myself). Did the following: Created the GPO in MyOU - Users Removed the default Authenticted Users under Security Filtering Add the security group with my account to Security Filtering Set up the mapping via the User Configuration option Changed GPO Status to "Computer configuration settings disabled" Left WMI filtering to Closed the GPO at this point... Logged in as the target user; ran gpupdate /force Logged out, logged in, ran gpresult /r, no mention of my GPO Rebooted Logged in, re-ran gpupdate /force Logged out, logged in, ran gpresult /r, still no mention of my GPO If I log in with another completely different user, their RSOP information shows that the new GPO is being ignored due to a security restriction, so it appears to be "working" for other users. I just can't get it to actually show up in RSOP for the user it should be working. Is there anything else I can do short of rebooting endlessly and crossing my fingers?

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• "Error: Unknown error" when trying to start virtual machine from VMware server

  - by slhck

  Problem We are running VMware Server 2.0.0 build-116503 on a Ubuntu 10.04 LTS server. There is a virtual machine installed, running Lotus Domino on Windows Server 2003. Ever since a sudden power failure last week, the virtual machine won't properly start up. When I run the command: vmrun -T server -h https://127.0.0.1:8333/sdk -u root -p jk2x2208 start "[standard] lotus/test.vmx" … after 30 seconds it displays: Error: Unknown error That's about everything I get. I know the command is right, since that's what we've used all the time. This has happened last Saturday after a scheduled backup shutdown, and somehow I was able to start it again. This week, it happened again, and I can't get it back up. Occasionally, I also get: Error: Cannot connect to the virtual machine When I get this, and I run the start command, it seemingly works. Why is this so random? Which configuration could have been messed up? What I've tried / other info I already shut down VMware itself with /etc/init.d/vmware stop. This works. I tried to start VMware again with /etc/init.d/vmware start. It complains that it's "not configured", which is why I had to rm /etc/vmware/not_configured, and then try to start again. There have been no software updates on the machine, and no configuration changes

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• All websites migrated from server running IIS6 to IIS7

  - by Leah

  Hi, I hope someone will be able to help me with this. We have recently migrated all of our clients' sites to a new server running IIS7 - all the sites were originally running on a server running IIS6. Ever since the migration, lots of our clients are reporting error messages. There seems to be quite a number of issues related to sending emails and also, we have had the following error message reported by several different clients: Server Error in '/' Application. -------------------------------------------------------------------------------- Validation of viewstate MAC failed. If this application is hosted by a Web Farm or cluster, ensure that <machineKey> configuration specifies the same validationKey and validation algorithm. AutoGenerate cannot be used in a cluster. Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code. Exception Details: System.Web.HttpException: Validation of viewstate MAC failed. If this application is hosted by a Web Farm or cluster, ensure that <machineKey> configuration specifies the same validationKey and validation algorithm. AutoGenerate cannot be used in a cluster. I have read elsewhere that this error can appear if a button is clicked before the whole page has finished loading. But as this error has now appeared on multiple sites and only since the server migration, it seems to me that it must be something else. I was wondering if someone could tell me if there is something specific which needs to be changed for .NET sites when sites are moved from a server running IIS6 to a server running IIS7? I don't deal with the actual servers very much so I'm afraid this is very much a grey area for me. Any help would be very much appreciated.

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• Cannot browse ipv4 websites (OpenVPN )

  - by user1494428

  I have set up an openVPN tunnel on my VPS (OpenVZ - Ubuntu 12.04). The problem is when I'm connected to the vpn, I can only browse websites which support ipv6 like google. Ipv4 sites aren't loading (no error, just waiting indefinitely). http://whatismyv6.com/ reports me that I've an ipv6 address, so I guess this is the problem. Server configuration: dev tun server 10.8.0.0 255.255.255.0 ifconfig-pool-persist ipp.txt ca /etc/openvpn/easy-rsa/keys/ca.crt cert /etc/openvpn/easy-rsa/keys/server.crt key /etc/openvpn/easy-rsa/keys/server.key dh /etc/openvpn/easy-rsa/keys/dh1024.pem push "route 10.8.0.0 255.255.255.0" push "dhcp-option DNS 8.8.8.8" push "dhcp-option DNS 8.8.4.4" push "redirect-gateway def1" comp-lzo persist-tun persist-key status openvpn-status.log log /var/log/openvpn.log verb 3 Client configuration: client remote xx.xx.xx.xx 1194 dev tun comp-lzo ca ca.crt cert client1.crt key client1.key redirect-gateway def1 verb 3 I have configured NAT with this command: iptables -t nat -A POSTROUTING -s 10.8.0.0/24 -j SNAT --to xx.xx.xx.xx Can someone explain me how I can make it works (forcing ipv4?) I had the same problem with another vps and I also tried on another client (All Windows 7).

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• Relation between server_name in nginx sites-available, /etc/hosts file and A-records

  - by user2818584

  I have the following two server-blocks in my config-file in sites-available: server { listen 80; server_name www.mydomain.be; root /usr/share/nginx/html; index index.html index.htm; location / { try_files $uri $uri/ =404; } } server { listen 80; server_name sub.mydomain.be; root /usr/share/nginx/sub; index index.html index.htm; location / { try_files $uri $uri/ =404; } } I also created an A-record for both www.domain.be and sub.domain.be with the IP of my server as value. Yet, when I try to reload my nginx configuration with service nginx reload it fails. When I remove the second server-block, it reloads as expected. I know this topic is popular, and that there are loads of such [nginx][subdomain] questions here, but none of them seems to discuss explicitly how the following three things hang together: virtual hosts or server blocks in nginx (est. server_name matching) the effect of A-records on how nginx processes requests the need to add hosts to /etc/hosts Right now I have the impression that a lack of knowledge of this bigger picture, rather than specific knowledge of nginx configuration prevents me from making this work.

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• SMTP server setup on windows xp, IIS

  - by .mahesh

  I have my domain registered with godaddy. I want to send newsletter to my customers (around 5000). But there is limit to send number of emails per day. Can i setup SMTP server on my home PC (windows XP) for sending these mails. Is there any "open source"/Free newsletter management application (build on ASP.NET, so that i can customize it if needed) which track bounce emails and other analytics. Any issue which i have to take care.

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• Enabling mod_wsgi in Apache for a Django app on Gentoo

  - by hobbes3

  I installed Apache, Django, and mod_wsgi on Gentoo using emerge (on Amazon EC2). I know that the mod_wsgi is configured in /etc/apache2/modules.d/70_mod_wsgi.conf: <IfDefine WSGI> LoadModule wsgi_module modules/mod_wsgi.so </IfDefine> # vim: ts=4 filetype=apache So in my /etc/conf.d/apache I added the WSGI module: APACHE2_OPTS="-D DEFAULT_VHOST -D INFO -D SSL -D SSL_DEFAULT_VHOST -D LANGUAGE -D WSGI" But when I try to list the loaded module, mod_wsgi isn't listed. root ~ # apache2 -M | grep wsgi Syntax OK I also know that mod_wsgi isn't loading properly because the Apache configuration file doesn't recognize WSGIScriptAlias. By the way for Django to work I need to include a custom Apache configuration file. Where should I insert the line below? Include "/var/www/localhost/htdocs/mysite/apache/apache_django_wsgi.conf" I currently have that in the httpd.conf file but I feel like that file will get reseted whenever I upgrade Gentoo or related package. EDIT: it seems the mod_wsgi file is located in /usr/lib64/apache2/modules/mod_wsgi.so. Here is my detailed Apache settings: root@ip-99-99-99-99 /usr/portage/eclass # apache2 -V Server version: Apache/2.2.21 (Unix) Server built: Mar 7 2012 06:52:30 Server's Module Magic Number: 20051115:30 Server loaded: APR 1.4.5, APR-Util 1.3.12 Compiled using: APR 1.4.5, APR-Util 1.3.12 Architecture: 64-bit Server MPM: Prefork threaded: no forked: yes (variable process count) Server compiled with.... -D APACHE_MPM_DIR="server/mpm/prefork" -D APR_HAS_SENDFILE -D APR_HAS_MMAP -D APR_HAVE_IPV6 (IPv4-mapped addresses enabled) -D APR_USE_SYSVSEM_SERIALIZE -D APR_USE_PTHREAD_SERIALIZE -D APR_HAS_OTHER_CHILD -D AP_HAVE_RELIABLE_PIPED_LOGS -D DYNAMIC_MODULE_LIMIT=128 -D HTTPD_ROOT="/usr" -D SUEXEC_BIN="/usr/sbin/suexec" -D DEFAULT_PIDLOG="/var/run/httpd.pid" -D DEFAULT_SCOREBOARD="logs/apache_runtime_status" -D DEFAULT_LOCKFILE="/var/run/accept.lock" -D DEFAULT_ERRORLOG="logs/error_log" -D AP_TYPES_CONFIG_FILE="/etc/apache2/mime.types" -D SERVER_CONFIG_FILE="/etc/apache2/httpd.conf"

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• choosing the right RAID level

  - by student

  Recently, we bought a "HP-DL380 G6 Server" with 6 146GB (SCSI)HDD for our colleague course management application and website with 10000 daily visitors. we want to choose the best RAID level. how can we choose the right RAID level ? what is the best RAID level for our application ?

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• choosing the right RAID level

  - by student

  Recently, we bought a "HP-DL380 G6 Server" with 6 146GB (SCSI)HDD for our colleague course management application and website with 10000 daily visitors. we want to choose the best RAID level. how can we choose the right RAID level ? what is the best RAID level for our application ?

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• Active Directory Child Domain Replication Problems

  - by MikeR

  Hi, I've recently inherited an Active Directory (all DCs Windows 2003) which has been configured with several child domains that are used as test environments for out CRM software. Two of these child domains have been used for testing using dates in the future (2015), throwing them well outside of the Kerberos tolerance for time, and they're flooding my event logs with replication errors such as the following: Description: The attempt to establish a replication link for the following writable directory partition failed. Directory partition: CN=Schema,CN=Configuration,DC=ad,DC=xxxxxxx,DC=com Source domain controller: CN=NTDS Settings,CN=TESTDC001,CN=Servers,CN=SiteName,CN=Sites,CN=Configuration,DC=ad,DC=xxxxxxx,DC=com Source domain controller address: 38e95b2a-35af-4174-84ba-9ab039528cce._msdcs.ad.xxxxxxx.com Intersite transport (if any): This domain controller will be unable to replicate with the source domain controller until this problem is corrected. User Action Verify if the source domain controller is accessible or network connectivity is available. Additional Data Error value: 5 Access is denied. I'd also like to upgrade to Windows 2008 at some point, but wouldn't want to attempt any schema updates while I'm not 100% confident on the replication. I'm guessing my only real solution will be to get rid of these child domains. The child domains are operating as stand alone domains, the DC is up and running and authenticating test users fine. I'm guessing the best solution to this would be to delete the domains (although I'd be happily told otherwise). The clock forwarding appears to have been happening for several years, so I'm assuming I can't just put the clock right (I'm guessing scope for this would be 180days, the same as the tombstone lifetime) With the replication errors would I be able to dcpromo the child domains DC, select it as the last domain controller in the domain and the child domain would be deleted? Or would I be better off treating the domain as an orphaned domain and use Microsoft's instructions to clear up as such. Any advice would be much appreciated.

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• Multi domain on my dedicated server with Apache2

  - by x4vier

  I setup a server with Ubuntu 10.04 server edition. It's works for a long time with a single domain name. Now i want to add another domain wich will pointed to a new directory. I tried to change my Apache2 configuration but it does not seems to work properly. Here is my /etc/apache2/sites-available/default <VirtualHost *:80> DocumentRoot /var/www/ <Directory /> Options FollowSymLinks AllowOverride None </Directory> <Directory /var/www/> Options Indexes FollowSymLinks MultiViews AllowOverride None Order allow,deny allow from all </Directory> ScriptAlias /cgi-bin/ /usr/lib/cgi-bin/ <Directory "/usr/lib/cgi-bin"> AllowOverride None Options +ExecCGI -MultiViews +SymLinksIfOwnerMatch Order allow,deny Allow from all </Directory> ErrorLog /var/log/apache2/error.log # Possible values include: debug, info, notice, warn, error, crit, # alert, emerg. LogLevel warn CustomLog /var/log/apache2/access.log combined Alias /doc/ "/usr/share/doc/" <Directory "/usr/share/doc/"> Options Indexes MultiViews FollowSymLinks AllowOverride None Order deny,allow Deny from all Allow from 127.0.0.0/255.0.0.0 ::1/128 </Directory> </VirtualHost> <VirtualHost *:80> ServerName mydomain.com ServerAlias www.mydomain.com DocumentRoot /var/www/mydomain </VirtualHost> here is my /etc/hosts 127.0.0.1 localhost **.***.133.29 sd-***.****.fr sd-**** **.***.133.29 mediousgame.com # The following lines are desirable for IPv6 capable hosts ::1 localhost ip6-localhost ip6-loopback ****::0 ip6-localnet ****: :0 ip6-mcastprefix ****::1 ip6-allnodes ****::2 ip6-allrouters ****::3 ip6-allhosts With this configuration when i try to access to mydomain it redirect to the /var/www/ content. Do you have any idea to redirect to the right folder ?

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• Domain names timing out after VPS IP change

  - by Fourjays

  I rent a CentOS 5 VPS from a UK-based provider, with DirectAdmin also installed. On Thursday night, they carried out planned maintenance to changed the two IPs I had been assigned to two new ones. On Friday, after the change had taken place, I updated my domain name records to reflect the IP change. Since then, all of the domains pointing to the VPS are timing out. Additionally, DirectAdmin was also not responding, but was was resolved by running the ipswap scripts as found in the DirectAdmin knowledgebase. It did not fix my domains though. I have contacted the VPS provider but I have been waiting for a response for some time now. I have checked again, and again, and all the IPs referenced in DirectAdmin are correct. If I go to the server IP in my browser it responds with "Apache is functioning normally." Email accounts on the server are also functioning correctly. But if I access a domain itself, it times out. Running a ping and a DNS look-up, I can confirm the nameserver IPs are correct. If I run a trace route it reaches an IP that is similar to my VPS IPs (last 2 blocks are different) before timing out (it never shows my server IP). I am relatively new to VPS management so don't have a vast wealth of experience with troubleshooting problems on them. I have checked all of the httpd configuration files, which don't seem to have any IP references in them at all. Looking in the Apache error logs, what errors there are do not coincide with times I have tried to access the site. Is this issue at my provider's end? Is there anything else I can check or test, to rule out post-IP-change problems with my server configuration? It was all running fine prior to the IP change.

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• Can I use a single SSLCertificateFile for all my VirtualHosts instead of creating one of it for each VirtualHost?

  - by user65567

  I have many Apache VirtualHosts for each of which I use a dedicated SSLCertificateFile. This is an configuration example of a VirtualHost: <VirtualHost *:443> ServerName subdomain.domain.localhost DocumentRoot "/Users/<my_user_name>/Sites/users/public" RackEnv development <Directory "/Users/<my_user_name>/Sites/users/publ`enter code here`ic"> Order allow,deny Allow from all </Directory> # SSL Configuration SSLEngine on #Self Signed certificates SSLCertificateFile /private/etc/apache2/ssl/server.crt SSLCertificateKeyFile /private/etc/apache2/ssl/server.key SSLCertificateChainFile /private/etc/apache2/ssl/ca.crt </VirtualHost> Since I am maintaining more Ruby on Rails applications using Passenger Preference Pane, this is a part of the apache2 httpd.conf file: <IfModule passenger_module> NameVirtualHost *:80 <VirtualHost *:80> ServerName _default_ </VirtualHost> Include /private/etc/apache2/passenger_pane_vhosts/*.conf </IfModule> Can I use a single SSLCertificateFile for all my VirtualHosts (I have heard of wildcards) instead of creating one of it for each VirtualHost? If so, how can I change the files listed above?

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• ISC DHCP - Force clients to get a new IP address, instead of the being re-issued their previous lease's IP

  - by kce

  We are in the middle of a migration of our DHCP and DNS services from a Debian-based server to a Windows Server 2008 R2 implementation. The Debian server is running isc-dhcpd-V3.1.1. All of workstations are configured to have fixed-addresses between .3 and .40 (the motivation behind that choice is mostly management/political much like here). DHCP leases are given out in the range of .100 to .175. Statically configured servers live in the .200 block and above (which is mostly empty). When we move to the Windows platform, management/political considerations require me to move the IP ranges around again. We would like to keep .1 - .10 reserved for network appliances, switches, and other infrastructure. .200 will remain designated for servers. The addressing space in between should be available to clients and IPs should be dynamically allocated (Edit: instead of automatic as originally mentioned) by the server. My Address Pool on the Windows Server looks like this: 192.168.0.1 192.168.0.254 (Address range for distribution) 192.168.0.1 192.168.0.10 (IP addresses excluded from distribution) 192.168.0.200 192.168.0.254 (IP addresses excluded from distribution) Currently, we have all of our clients still on the .3 - .40 range, and a few machines still active in the .100 - .175 (although there are lots devices that are powered off that still have expired leases with IPs from that range). Since the lease "database" isn't shared between the old and new DHCP server how can I prevent clients from receiving a lease with an IP address that is currently being held by client with a non-expired lease from the old DHCP server? If I just expand the range on the Debian DHCP server to be 192.168.0.10 - 192.168.0.199 is there a way to force clients to not re-use their old IP address when they send their DHCPDISCOVER? Can I make the Windows DHCP server be authoritiative like the ISC implementation? The dhcpd.conf from the Debian server: ddns-update-style none; authoritative; default-lease-time 43200; #12 hours max-lease-time 86400; #24 hours subnet 192.168.0.0 netmask 255.255.255.0 { option routers 192.168.0.1; option subnet-mask 255.255.255.0; option broadcast-address 192.168.0.255; range 192.168.0.100 192.168.0.175; } host workstation-1 { hardware ethernet 00:11:22:33:44:55; fixed-address 192.168.0.3; } ... and so on until 192.168.0.40

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• postfix and iRedMail- Relaying Denied

  - by Lock

  I am trying to setup iRedMail and am way over my head here. I have installed it, and can send emails internally, but not externally. When I send an email from outside, I get the following return email: The error that the other server returned was: 550 550 5.7.1 <[email protected]>... Relaying denied (state 13). Now I have no idea where to start looking! Any ideas? I have really only just installed iRedMail so I am unsure what else I need to do to get it working. I've pointed my MX records to that server, so that shouldnt be the problem. Also- if i stop postfix (so nothing is listening on port 25) and send a test email, I get the same reply back. Why would I get the same reply back even if postfix is stopped? I have run tcpdump over 25 and can see the packets coming in/out, so its definitely a configuration issue! I suppose my question is not really "what is my problem", but more "What configuration needs to be completed on postfix and iRedMail?"

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• Installing Windows Message Queue in Windows Server 2003

  - by Salamander2007

  How can I install Windows Message Queue that can be accessed from another computer. I've already installed MQ server, it displays correctly in Computer Management, but I was unable to connect to it from my Visual Studio Server Explorer. The error message was "Message Queueing has not been installed in this computer"

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• How to install rmagick on Ubuntu 10.04?

  - by Andrew

  Here's what I've done so far: sudo apt-get install imagemagick libmagickcore-dev This did not throw any errors, so I think that ImageMagick is installed fine. Then I tried installing the gem: sudo gem install rmagick This resulted in the following error: ERROR: Error installing rmagick: ERROR: Failed to build gem native extension. /usr/bin/ruby1.8 extconf.rb checking for Ruby version >= 1.8.5... yes checking for gcc... yes checking for Magick-config... yes checking for ImageMagick version >= 6.4.9... yes checking for HDRI disabled version of ImageMagick... yes checking for stdint.h... yes checking for sys/types.h... yes checking for wand/MagickWand.h... no Can't install RMagick 2.13.1. Can't find MagickWand.h. *** extconf.rb failed *** Could not create Makefile due to some reason, probably lack of necessary libraries and/or headers. Check the mkmf.log file for more details. You may need configuration options. Provided configuration options: --with-opt-dir --without-opt-dir --with-opt-include --without-opt-include=${opt-dir}/include --with-opt-lib --without-opt-lib=${opt-dir}/lib --with-make-prog --without-make-prog --srcdir=. --curdir --ruby=/usr/bin/ruby1.8 Gem files will remain installed in /usr/lib/ruby/gems/1.8/gems/rmagick-2.13.1 for inspection. Results logged to /usr/lib/ruby/gems/1.8/gems/rmagick-2.13.1/ext/RMagick/gem_make.out What do I need to do to install rmagick on Ubuntu 10.04?

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• Terminal server for Linux

  - by Hubert Kario

  What are the features of graphical terminal servers and technologies available for Linux? is it open source/free how well does it scale management (?) what's the network usage, susceptibility to latency support for session pause/resume what client platforms does it support support for sound (playback and record) directory/local disk sharing local printing other cons/pros This question is supposed to be a community wiki for comparison between the different technologies, but it looks like I don't have enough points to make questions into wikis(?)

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