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  • Why does apache httpd tell me that my name-based virtualhosts only works with SNI enabled browers (RFC 4366)

    - by Arlukin
    Why does apache give me this error message in my logs? Is it a false positive? [warn] Init: Name-based SSL virtual hosts only work for clients with TLS server name indication support (RFC 4366) I have recently upgraded from Centos 5.7 to 6.3, and by that to a newer httpd version. I have always made my ssl virtualhost configurations like below. Where all domains that share the same certificate (mostly/always wildcard certs) share the same ip. But never got this error message before (or have I, maybe I haven't looked to enough in my logs?) From what I have learned this should work without SNI (Server Name Indication) Here is relevant parts of my httpd.conf file. Without this VirtualHost I don't get the error message. NameVirtualHost 10.101.0.135:443 <VirtualHost 10.101.0.135:443> ServerName sub1.domain.com SSLEngine on SSLProtocol -all +SSLv3 +TLSv1 SSLCipherSuite ALL:!aNull:!EDH:!DH:!ADH:!eNull:!LOW:!EXP:RC4+RSA+SHA1:+HIGH:+MEDIUM SSLCertificateFile /opt/RootLive/etc/ssl/ssl.crt/wild.fareoffice.com.crt SSLCertificateKeyFile /opt/RootLive/etc/ssl/ssl.key/wild.fareoffice.com.key SSLCertificateChainFile /opt/RootLive/etc/ssl/ca/geotrust-ca.pem </VirtualHost> <VirtualHost 10.101.0.135:443> ServerName sub2.domain.com SSLEngine on SSLProtocol -all +SSLv3 +TLSv1 SSLCipherSuite ALL:!aNull:!EDH:!DH:!ADH:!eNull:!LOW:!EXP:RC4+RSA+SHA1:+HIGH:+MEDIUM SSLCertificateFile /opt/RootLive/etc/ssl/ssl.crt/wild.fareoffice.com.crt SSLCertificateKeyFile /opt/RootLive/etc/ssl/ssl.key/wild.fareoffice.com.key SSLCertificateChainFile /opt/RootLive/etc/ssl/ca/geotrust-ca.pem </VirtualHost>

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  • Tell if IIS is being asked to serve compressed pages?

    - by Graham
    Hi, I'm trying to find out if our IIS server is being asked to serve pages compressed. I'm a noob regarding a lot of this so am working my way through the issues. We're using IIS 6.0 and have correctly turned compression on. If I use Fiddler2 to analyse the HTTP requests via localhost, then Fiddler reports that the pages are compressed. If we then access the server over the network, either via its external URL or via the internal server name, Fiddler reports those pages as uncompressed. Therefore, it's logical to assume that something is getting in the way - presumably our ISA server. Our ISA administrator states that ISA is configured to allow compressed requests but what I want to do is to look at the requests coming through to IIS to see if IIS is being asked to serve pages compressed. I'm fairly convinced that our request is going to ISA, ISA is forwarding these, but not with the "compression" details - therefore IIS is not performing any compression. I've looked at the IIS logs but can't see anything obvious about the HTTP request. Is there any way I can check, on the web server itself, this sort of information? One thing that is confusing, but it may be normal, is that the Client IP making the request is not the orignal PC (i.e. mine) and not the ISA firewall, but the web server itself... Thanks

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  • How can we tell what driven the Private bytes spiking.

    - by ronin
    I have websites running on .Net Framework 2.0 environment. For recent every day my website becomes slow at certain time and I need to recycle my app pool. I checked the log file found that the private bytes will spike during that time slot. Through some research I already know that the managed code and unmanaged code consists of Privates and we can identify which one cause the spike based on "Bytes in all heaps" counter. But I can't find a way to dig deeper. Is there any way that I can find out what driven my private bytes spike? How can we see what the private bytes are being used for? Thanks, Ronin

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  • How do I tell memcache to ignore the django admin page?

    - by Chris
    I'm running memcache infront of django without any explicit configuration in my code. I.e. nothing more than MIDDLEWARE_CLASSES = ( 'django.middleware.cache.UpdateCacheMiddleware', ... 'django.middleware.cache.FetchFromCacheMiddleware', ) and CACHE_BACKEND = 'memcached://127.0.0.1:11211/' in my settings.py. This works great, in fact so great that it's caching my admin page leaving me no way to moderate live actions on the site until the cache refetches the data. Is there a regex I can throw somewhere to let memcached know to leave my admin page alone? (I'm also using nginx and gunicorn)

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  • How do I tell Windows to use 802.11 in preference to 3G?

    - by Jon Skeet
    I have a Samsung NC-10 netbook which I take to work every day. Most of the time I use it just on the train/bus, but I also use it at work and home. It has a built-in 3G card which I want to use when travelling, but I'd prefer to use wifi when I'm at work or home, for obvious reasons. Unfortunately, if the 3G connection is up, Windows appears to use that in preference to wifi. Starting up and shutting down the 3G modem is a bit of a pain - it's not hard as such, just a bit inconvenient. Ideally I'd like it to always be up, and even have the connection itself up all the time, but without routing traffic through it if there's a wifi connection up. This is what my Android phone does, for example. Is there somewhere in Windows which lets me express an ordering for network interfaces? I suspect the routing table may be relevant, but it's a bit of a pain to mess around with. I'd really expect there to be a simple GUI way of setting this up - after all, it would equally be useful when dealing with wired vs wifi connections. I'm currently using Windows XP Home, but Windows 7 answers would also be useful as I'll be migrating soon.

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  • How can I tell if my ISP is redirecting my DNS queries?

    - by Nack
    I've attempted to use some DNS services like OpenDNS, and no matter what I do the DNS queries don't return the expected results. Watching the packet traffic on my firewall, I can see the queries go out to the intended DNS server address and responses coming back, but the results are not as expected, for example, the OpenDNS test page always fails even though the requests appear to be going to their servers. I suspect my ISP is intercepting DNS queries and sending them to their own servers. Is there a way to verify this? Is there something else I might be missing? I'm using 3G wireless service from Sprint.

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  • How to tell if any MySQL connections has been dropped or timed out?

    - by Continuation
    A client is using PHP to connect to MySQL. The PHP scripts and the MySQL database are located on 2 different Linux servers. He complained that database connections were being dropped or timed out and asked me to take a look. Is there any place in MySQL that can show me what and how many connections have been dropped or timed out? I looked into slow query log and didn't see anything. Any suggestions on how to diagnose this dropped/timed out database connection problem? Thanks EDIT: Slow query log is enabled in my.cnf: log-slow-queries=/var/log/mysql-slow-queries.log And when I do a mysql> show global status; I got: | Slow_queries | 11402347 | So there are a lot of slow queries. But the file /var/log/mysql-slow-queries.log doesn't exist. Why is that?

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  • How to tell if my sound card is listed in Device Manager?

    - by Bruhan
    The sound on my computer suddenly stopped working. When I check Sounds and Audio Devices in the Control Panel, I get "No Audio Device" with everything grayed out. When I check the Device Manager under "Sound, video and game controllers" I see the following list: Audio Codecs Legacy Audio Drivers Legacy Video Capture Devices Media Control Devices MPU-401 Compatible MIDI Device Standard Game Port Video Codecs None of these looks like my sound card. Of course, my sound "card" is not really a sound card, it's integrated with the nVidia-nForce motherboard. I'm running Windows XP. So is one of the above my sound device, or is the OS not detecting it? If the latter, how do I get it to detect it?

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  • How do I tell Websphere 7 about a front end load balancer so that re-directs are handled correctly?

    - by TiGz
    On WebLogic 11G I can use the console to set the FrontendHost and FrondendPort on a server or on a cluster so that re-directs are handled correctly and end up resolving to the front end load balancer instead of the local host. The MBeans associated with this on WebLogic are, for example: MBean Name com.bea:Name=AdminServer,Type=WebServer,Server=AdminServer Attribute Name FrontendHost Description The name of the host to which all redirected URLs will be sent. If specified, WebLogic Server will use this value rather than the one in the HOST header. Sets the HTTP frontendHost Provides a method to ensure that the webapp will always have the correct HOST information, even when the request is coming through a firewall or a proxy. If this parameter is configured, the HOST header will be ignored and the information in this parameter will be used in its place. Type java.lang.String Readable / Writable RW How is the same thing achieved under Websphere 7? Follow up info: So I have 2 use cases actually. One is that I have a web app running under WebSphere on host A on port 9002 and a LB running on host B at port 80, when I visit the home page of the app via the LB on http://hostb/app the app redirects my browser to http://hostb:9002/app and it 404's I think this is WebSphere's fault but I guess it could be the app's fault? The second is that the web app in question needs to send emails containing URls that the customer can click on to get back into the web app - obviously this needs to be via the LB. On WebLogic the app uses MBeans to derive the LB url and I was hoping to use a similar mechanism on WebSphere.

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  • How can I tell if my live web-server is overloaded?

    - by Nick G
    We have a live webserver which doesn't seem to be performing all that well. It's a Dell PowerEdge machine, a few years old (dual core, 4GB) which is hosting about 20 low-traffic websites. However it doesn't seem to be as fast as it used to be. How can we determine the cause of this? If it's website traffic, I would be expecting high CPU but CPU usage is quite low and hovers around the 15-30% mark except for very brief periods. I'm wondering perhaps, if rather than CPU performance being a problem, perhaps it's disk thrashing due to the constant read/writes of all the small web files and database queries. It has 4x 7200 RPM SATA drives in RAID 5. So is there a way to check that it's not disk thrashing?

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  • How can I tell which "explorer.exe" process is the main one?

    - by HodofHod
    I have a batch file that changes a few registry files, and then restarts explorer.exe so that they take effect. I'm using the command taskkill /f /im explorer.exe and then explorer.exe which of course kills all the explorer.exe processes, including the explorer windows I have open. Obviously, I am using the option to Launch folder windows in a separate process. Is there any way I can determine which instance of explorer.exe is the main one, and just kill that?

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  • How can I tell if Windows is running in Safe Mode?

    - by cwd
    I have a Windows server that will sometimes reboot into safe mode after updates. I'm working on that issue but what I'd really like to know is how can I check to see if Windows is running in safe mode or not. Ideally I would like to incorporate it into a script that would send a passive check to our Nagios box with the status. Is there some environmental variable I can use or some way to get this information via the command line?

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  • Tell the linux kernel to put a file in the disk cache?

    - by Rory
    Is there any command to for a file to be read in and loaded into the linux disk cache? This is on an up-to-date debian system. I know in the general case, it's better to let the linux kernel figure this out. But I have an edge case. I have a laptop that has an NFS director mounted, and i want to play a long video file, but I don't want to have a network problem interrupt the playnig. I know that (largeish) file will be read in it's entirety later on. I know that nothing else (really) will be running while playing this video. There is enough free memory to store this file. (I know I could just copy the file into a new tmpfs filesystem, but I'm curious if there's an even shorter way to do it)

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  • How to tell IIS7 to allow POST to a text file (to solve 405)?

    - by meticulous
    If I want to allow HTTP POST to text files *.txt (i.e. I'm taking an example of what could be any static resource normally accessible by GET). The error is: Server Error 405 - HTTP verb used to access this page is not allowed. The page you are looking for cannot be displayed because an invalid method (HTTP verb) was used to attempt access. How can I accomplish this? Background: I'm using apps.facebook.com to hit my hosted facebook app and facebook sends HTTP POST now through to the iFrame hosting my app. This facebook behaviour has been around for a while but it's being forced now. In turn this forces me to make stuff available to the POST verb.

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  • How can I tell what command is running on the remote end of an ssh connection?

    - by user268385
    Tl;dr - how do I find the name of the command (eg $BASH_COMMAND) running on the remote end of an ssh connection? ... My example setup is two tmux vertical panes, LH pane runs a local vim session with vertical split, RH pane runs an ssh session running vim, again with a vertical split. Using tmux-navigator I can navigate from left to right over the first 3 vim buffers, but the 4th (far right hand one) is inaccessible. The reason for this is that tmux-navigator tests the value of 'pane_current_command' and compares it to 'vim' before deciding which keystrokes to dispatch. On the right hand tmux pane, the current command is 'ssh' and not 'vim'. What I want to do is test for (pane_current_command =~ 'ssh'), and if so, examine the command that is running on the far side of the connection? I cannot find a way to get hold of this, so any suggestions would be welcome? For information, the problem is almost the same as this one, but without the nested tmux sessions: https://github.com/christoomey/vim-tmux-navigator/issues/12

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  • How do I tell if there are unwanted remote guests on my computer? [closed]

    - by WckdMsftsGrl
    Possible Duplicate: What to do if my computer is infected by a virus or a malware? Why do I always find the strangest programs and the strangest text files all the time? All kinds of weird things happen, like my screen changes and the address line doesn't change in IE, just weird stuff. Is it me or could there really be something going on? I've never had so much trouble with any computer before and I am on a public access point where I live. Any advice will be greatly appreciated. I either need peace of mind, or a good defence, because this is getting out of hand.

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  • How much time do you spend actually developing vs. infrastructure activites?

    - by Can't Tell
    When I'm working I feel like most of the time I'm not doing actual work. For example after making a change to the code in order to test it, I have to first build the project, and start the server(say JBoss). Upon testing, I find that there is another small issue. So I bring down the server, make the changes, build again and start up the server again.The building and bringing the server up/down is not very useful work. Also, the IDE (lets say Eclipse) does things such as updating Maven indexes and building the workspace which take some more time to get things done. Have you come across this kind of situation? Do you have tips on how to overcome/bypass this? Any features on the IDE/build tools that can be helpful? Any architecture/application design/technology that attempts to overcome this?

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  • Any way to tell apart a CPU defect from a mainboard defect?

    - by Pekka
    I have a fairly modern desktop computer, an AMD Athlon II X2 based silent PC, that does not work. When turned on, it will start physically (all fans are rotating, disks start up...) but not give a signal on any of the graphics ports (DVI, VGA, and HDMI, I tried all three). Also, the reset button does not seem to have any effect. I have stripped the mainboard bare of all SATA connections, extension cards, and the one 2GB RAM chip to eliminate them as the problem source, but to no avail, so I think it's fair to assume it's either the mainboard or the processor that are at fault. However, I have neither a replacement mainboard, nor a replacement processor handy to identify which one is broken. The cause of the defect is unknown, so for all I know, it could be both. Therefore, I'm reluctant to buy replacement hardware blindly before knowing more. Is there any way to further diagnose (or at least get some indication) which component is broken without buying replacement hardware?

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  • How do you tell if IIS is I/O bound?

    - by christopherstott
    Running IIS 6 on Windows 2003 server (with a web service app). I suspect the machine is I/O bound. I'm hearing reports of errors - but not seeing those errors in the IIS logs. What is the standard way of verifying this? Is there a counter in perfmon? Thanks for the help.

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  • How do I tell which kernel module is servicing a /dev device?

    - by regulatre
    How do I find out which kernel module (as seen by typing lsmod) is servicing a particular device in /dev ? In other words, say I have a device, /dev/mouse0 and I want to find out which kernel module is installed to service that device. How do I do that? Another way to look at this is, some loaded kernel modules associate themselves with a device in /dev. How does one find out which device(s) a module is "attached" to?

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