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• DD-WRT: What firmware and what webserver will fit on my 8MB of flash?

  - by Jeshii

  Attempting to make a portable WiFi webserver with php support on an old WRT54GS (v1.0) with DD-WRT. I have 8MB of flash on there. I know, it's a tall order. I tried the combination of dd-wrt.v24-13064_VINT_openvpn_jffs_small.bin, optware, and lighttpd. Didn't have enough space. Now I'm going to try dd-wrt.v24-13064_VINT_mini.bin, but I'm only saving 300KB, and I don't think that is going to make the difference. Any other small http servers with php support? Heck, I didn't even got to the point where I could add php! Maybe a way to calculate the size and dependencies of packages from optware BEFORE trying to install is more what I'm looking for. Any ideas?

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• Need to move a debian server from i686 to x86_64 architecture

  - by user64204

  I have a debian server that I need to move from one hosting provider to another. I don't really know how the old server was setup, all I know is that it's running a Ruby on Rails application with a lot of custom libraries installed and that I should prepare myself for a painful migration. Old server: -os: debian 5.0.9 -used disk space: 3.2GB -architecture: i686 New server: -os: debian 5.0.9 -free disk space: 10GB -architecture: x86_64 As you can see the problem is that the servers are running different architectures. Q: Is there anyway I could somehow migrate the old to the new server in a few steps (or am I just dreaming I could) ? I was thinking maybe I could: -get list of packages and gems installed on old server and use for loop to install them all on the new -copy the disk content from old to new server while excluding what is architecture-specific (the problem is that I don't really know what to exclude).

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• CoovaAP router does not get DHCP settings from modem

  - by Dan Sosedoff

  Im having some serious trouble making CoovaAP-powered router get network settings from modem. Wireless router works in captive portal mode (so it handles user login on the same device). But DNS settings and connection ip (for router) are not set as they supposed to via DHCP on modem. It makes installation in other location really complicated, because you have to go and set everything manually. For now i use google`s dns servers. What`s the way to make router self-configurable via modem's dhcp ?

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• Why isn't VIM storing macros across sessions?

  - by dotancohen

  In VIM 7.3 on Ubuntu Server 12.04.1, VIM forgets macros and registers after closing. I do have set nocompatible in .vimrc and the command :set viminfo? gives this result: viminfo='100,<50,s10,h What might be preventing the macros and registers from being stored across close / open? Note that I am not interested in storing mappings for long term use in .vimrc. Rather, sometimes (such as during refactoring) I need to perform a simple operation on a few files and I find it easier to do in VIM than with Perl. I just need the macros and registers stored across open / close, which I do have working on other servers. Thanks.

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• Setting up IIS7 to mimic a GoDaddy shared hosting plan

  - by NerdFury

  I host multiple domains on a GoDaddy shared hosting account. I would like to setup a website locally in IIS 7 that mimics the setup of my hosted account so that I can test and debug applications locally before deploying, as debugging after deploying, or discovering there are issues after deploying is frustrating. I have created a folder WebRoot, at put my main application in that folder. I created a website in IIS 7 and pointed it at that folder. I setup bindings with a fake domain, and created a matching entry in my hosts file to make the fake domain point at my 127.0.0.1. I then created a folder www.otherdomain.com under webroot. I then created an application underneath my website, and pointed it at this folder. I can't find how I can add bindings to the web application to have it referenced as a different fake domain, rather than a subdirectory under my root domain. What would be the proper way to setup IIS to best simulate the environment on the GoDaddy servers.

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• SQL server environment

  - by Olegas D

  Hello I'm considering a bit of changes in current sales environment. And trying to check all cons and pros. Current situation. SQL server (quite decent HP server - server1) + backup server (smaller Dell server - server2). all sql files and sql server itself are on the server1. If something goes wrong with server1 I will have to manually move to server2. Connecting to the sql server: 1 HQ (where server located) + 4 sites through VPN. Now I'm considering 2 scenarios: Buy some storage system + update existing servers (add ram, upgrade processors) and go for VMWare ESXI. Rent a server at a datacenter + rent virtual server in case real server goes down. Also rent some space at data storage to keep SQL files there. Have anyone considered these things and maybe found some good pros/cons list? ;) Thanks

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• USB 3 adapter for a dell 2850 with PCI (or PCIX) ports

  - by Don Dickinson

  Does anyone know if there is a plain PCI (or PCIX) USB 3 adapter. i understand the bandwidth of PCI < USB3, but it still beats the heck out of USB 2. i have some older dell 2850s that do not have the PCI E ports that most USB 3 adapters require. i'd really like to get usb3 in those servers. i searched the internet but didn't see any. the local computer store said they only had pcie adapters. tia, don

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• nginx static file buffer

  - by Philip

  I have a nfs which several frontend-servers are connected to for making the files stored on the nfs available for http downloads. It looks like I have problems with the way apache is serving the files, there seems to be a very small buffer or no buffer at all which results in a lot disk seeks. I did some testing with loading the whole requested file into memory at once and serve it to the client from memory. With this technique I need less disk seeks for a download stream. Since I don't want to implement this by myself for production use I thought that I could maybe use nginx for that because the documentation says that it uses buffers for static file serving. Is it possible to increase the buffer size to a few mb, if so which config parameter do I have to change for this? Has anyone experience with large buffers for static file serving? Is there a better way to reduce disk seeks?

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• Fix Fatal Error Condition showing system path

  - by JMC

  I've noticed there are a large number of servers running Magento Commerce that will return a fatal error showing the system path: Fatal error: Uncaught exception 'Exception' with message 'File '/usr/local/www/magento/data1702/media/css' does not exists.' in /usr/local/www/magento/data1702/lib/Varien/File/Transfer/Adapter/Http.php:96 Stack trace: #0 /usr/local/www/magento/data1702/get.php(205): Varien_File_Transfer_Adapter_Http->send('/usr/local/www/...') #1 /usr/local/www/magento/data1702/get.php(165): sendFile('/usr/local/www/...') #2 {main} thrown in /usr/local/www/magento/data1702/lib/Varien/File/Transfer/Adapter/Http.php on line 96 Magento as an application is generally good about supressing error messages. How can a linux server running apache be configured to avoid returning this error message since the app has problems suppressing it.

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• Transferring Postfix install to new computer

  - by mlissner

  I have postfix installed on one computer, with DKIM and SPF working properly. What I'd like to do is start using a different computer instead, with the minimal amount of fuss. Mail servers have a way of baffling me, but I know there are things with cryptography going on here that I don't fully understand (and I don't really care to - I figured it out when I set up the last computer about a year ago, and am happy not to delve into it again). Right now, I'm working on the early steps of this process -- installing postfix on the new machine, and getting it going. Are there specific steps I could take to move the correct configs and key files and such to the new computer?

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• How do I configure namecheap for "arbitrarily-nested" wildcard subdomains?

  - by rabidsnail

  I'm trying to set up something like nyud.net, where any arbitrary chain of subdomains resolves to the same CNAME record (which in my case points to an amazon elastic load balancer). Ex: www.gogle.com.nyud.net:8080 points to one of their cache servers, which looks at the HOST header and returns www.google.com. I'm using namecheap as my dns host. Adding a CNAME record for *.mydomain.com doesn't seem to do anything (nslookup gives NXDOMAIN for all subdomains). What do I have to do to set this up? Do I have to use something fancier than namecheap (like route53)?

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• Network Block Device (NBD) clients for Windows or similar solutions

  - by przemoc

  Are there any NBD clients for Windows? Strangely, I cannot find any, or I am searching for them in a wrong way. Such client should be possibly a driver with front-end tool (may be a command-line one) allowing to create virtual drives and associate them with given hosts (or simply localhost) and ports where NBD servers are listening. From user perspective virtual drive should be close to what physical drive is, so it should be accessible as something like \\.\PhysicalDriveX (maybe \\.\VirtualDriveX?), be visible in Disk Management (diskmgmt.msc) and mountvol tools at least. (The only thing I found remotely close to NBD on Windows is ImDisk's proxy mode and companion tool devio, but AFAIK ImDisk only works at partition level (so no virtual drive) and devio uses different protocol.) Secondary question is: Are there any (preferably simple) Windows-specific solutions allowing creation of virtual drive delegating read/write request to user-space via some explicit way (like via TCP, IPC, DLL implementing given API, etc.)?

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• 8 Character Device names

  - by Lee Harrison

  Is there any reason to still use only 8 characters in a device name? My boss still uses this rule for printers, computers, routers, servers... basicly any device connected to our network. This leads to massive confusion among users, especially when it comes to printer. It also leads to confusion from an administration standpoint because every device is named vaguely, and similarly(its only 8 characters!). I understand the history behind this and compatibility with older systems, but none of our legacy systems will ever make use of PS-printers and Wifi networks. Is there any reason to still do this, and what is everyone else doing when it comes to naming network devices at an enterprise level?

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• Setting Rails up on a Linode - Nginx Issue

  - by rctneil

  I am extremely new to this so please don't shoot me down: I have set up a Linode running Ubuntu, It is all sort of working except Nginx. I am following this guide: http://rubysource.com/deploying-a-rails-application/ And this for nginx: http://library.linode.com/web-servers/nginx/installation/ubuntu-10.04-lucid When I go to my IP, I get a 500 internal server error. I have tried starting nginx and it looks like it starts fine. I run this: ps awx | grep nginx and I get: 308 ? Ss 0:00 nginx: master process /usr/sbin/nginx 2309 ? S 0:00 nginx: worker process 2311 ? S 0:00 nginx: worker process 2312 ? S 0:00 nginx: worker process 2313 ? S 0:00 nginx: worker process 2850 pts/0 S+ 0:00 grep --color=auto nginx I really am not sure what else to do to get it running. Any help? Neil

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• Does setting an A record for a root domain set it (automatically) for subdomains?

  - by Edan Maor

  I bought a domain from Dreamhost, but my servers are actually running on Amazon's AWS. I have an Elastic IP, say 1.1.1.1. In the Dreamhost panel, I've added an A record for my domain name, pointing it to 1.1.1.1. My question is, are all subdomains (e.g. www.mydomain.com, a.mydomain.com, etc.) automatically mapped to 1.1.1.1 as well, because the root is? Or do I have to add separate rules for each subdomain?

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• Logging off does not kill process in Windows Server 2003

  - by user25951

  I have a Windows Server 2003(Enterprise, SP2). My understanding was that any process created by a user will be terminated when the user loggs off the account. But its not happening. I login via Administrator account. Start a simple java process and logoff. But the process is not killed. Is there any configuration for this or something? I am mostly a software programmer and not much in to servers and so I am stuck. I found out that while logging off, 1) Win32 is supposed to send a CTRL_LOGOFF_EVENT to all processes started by that user. 2) JVM is supposed to handle this event and terminate the VM. But I can't understand why my java process is not killed when i logoff. Any idea!!!

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• Setting up Mac VPN on simple network with separate IPs

  - by Dave

  Hi there, We have a pretty simple network configuration. A typical ASDL line with two extra IP addresses. We have a basic home network router Dlink DIR-655. We have two Mac OS X Snow Leopard Servers that we want to setup VPN on. The problem is that we can't change the ports which VPN works under ie. we can only setup port forwarding for UDP 500,1701,4500 to a single server. I'm wondering how we can cost effectively re-work our network so that we can take advantage of the separate IP addresses and have both VPNs working with the same router. Is that possible with our current hardware setup or do we need something more powerful? We're also toying with Mobile Access and wondering if that might be easier to setup. Expert help is greatly appreciated.

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• Windows 2003 SP1 terminal server printers Disappear after reboot - HP laserjet 4240

  - by Alex

  had working PCL6 laserjet 4240 driver. needed to downgrade to PCl5, tried but did not get clean install. tried again and it seemed to work (this is 2003 enterprise terminal server SP2) Have over 40 working laserjets (5, 4000, 4100 and 18 of the 4240) After normal nightly reboot the 18 4240 printers were 'gone'. Worked w/Microsoft who said bad HP driver issues - weird since they work on other terminal servers. downloaded latest version, etc. from HP site and can NOT get to work. As soon as I install, then do a Net Stop Spool and Net Start Spooler the printer is 'gone'. Current workaround is to use HP 4000 PCL5 drivers for all of these 4240 printers.

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• migrating storage to a different controller

  - by bellocarico

  Hello, I've just purcheased a couple of adaptec controller (2405/5405) for my ESXi 4.0 U1 servers. Currently ESXi and a couple of VMs are hosted on single sata boot disk connected to a nvidia on board non-RAID controller. I know that it's possible to migrate from single disk to RAID 1 with adaptec and I'm pleased with that, but I'm not sure if ESXi has already the right drivers installed/loaded for this controller. Is there any way I can check this? Is ESXi clever enough to recognize the new hardware and load the right module? Thanks

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• Windows 2008 Group Policy Setting? - Migration Headache

  - by DevNULL

  I have a small domain of users that I just migrated from a linux domain running open-ldap. Our new servers are running Windows 2008 Standard. I've installed Active Directory and everything is working perfectly... except that the initial user privileges is pretty restrictive and I need to loosen it up a bit. For example once they login to their workstations, they can create new files and folders but can not modify existing files or start. I basically want to open it all up except for software installations. Can someone please help with with this migration headache?

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• Exchange 2010 550 5.7.1 unable to relay

  - by isorfir

  I have a website application that needs to send email via our Exchange servers. It sends email internally fine, but when sending to an external address I get the 550 5.7.1 unable to relay error. I followed this guide to create a connector to allow relay. Unfortunately, all office email was trying to use that connector and was not being routed correctly. It also appeared as though it opened it up for spammers to use. This is obviously unacceptable and a secure method is needed.

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• Connecting to Aerohive AP's from Laptops running Win. 7 using authentication from a Windows 2008 domain server

  - by user264116

  I have deployed a wireless network using Aerohive access points. 2 of them are set up as radius servers. I want my users to be able to use the same user name and password they use when they log onto our domain. They are able to do this from android devices or computers running Windows 8. It will not work on Windows 7 machines. How do I remedy this situation, keeping in mind that the machines are personal machines not company owned and I will have no way to change their hardware or software.

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• Upgrade no raid server to raid

  - by AZee

  I have just learned that our PDC has a single drive with 2 partitions. I also know that this drive has bad blocks as recorded in the event log. What I would like to do is to convert this to a RAID solution with a nice balance between economy and performance. I will admit that I have only configured servers with RAID from scratch, and have no experience upgrading an existing system into a RAID system. In fact, I'm not sure it is even possible. Since this is the PDC for 350+ workstations downtime is important. I'd like to hear from other System Administators how they would tackle this and their recommendations for all devices. At this time it seems to me that I can replace the existing drive and then restore from backup or install a controller, drives, configure the RAID an basically start from scratch. Thank you for taking your time. ~AZee

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• Updating wordpress in a multi-node environment

  - by Peter

  I'm finding this very tricky in a multi node environment, with code under revision control. AKA. multiple frontends and single database. I have a deployment process that pushes a git repo to the servers, but obviously if I update Wordpress from within the admin panel, it will update the files to one FE. Then I would need to copy over the new files to the other FE nodes. Plus, whenever these changes are written when Wordpress updates on a node, it writes code into the git repo. As such, it then breaks the auto deploys that perform 'git pulls', as it then has untracked changes and refuses to pull in new deploys unless manually intervened. How does one easily keep Wordpress updated in a multi node (load balanced) environment?

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• Reccomendation for tuning 100's of SQL Databases

  - by wayne

  I'm running several SQL servers, each running a few hundred multi-gig databases for customers. They are all setup homogeneously as far as the schemas are concerned, however customer usages of the data differ quite a lot from database to database. What would be the best way to auto-index/profile/tune this large amount of databases? As there are at least 600 or more catalogs I cant have someone manually profile, and index as required by each databases usage patterns. I'm currently running SQL 2005 but will be moving to 2008, so solutions that work with either are fine.

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