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  • Domain user cannot connect to Exchange

    - by Jeff
    I can login to the local PC and connect to Exchange server - on the same physical network if i log into the domain i cannot connect to the Exchange server. DNS / DHCP all functioning as expected. User has AD account with Domain Admin rights. Quite confusing!

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  • Why is Varnish not caching?

    - by Justin
    I am troubleshooting the setup of Varnish 3.x on my Ubuntu server. I'm running Drupal 7 on two sites set up on the box, via named-based vhosts. Before trying to get Varnish to play nice with Drupal I'm trying to just get Varnish to a PNG from cache. Here are the headers I get from a curl -I request of the PNG file: HTTP/1.1 200 OK Server: Apache/2.2.22 (Ubuntu) Last-Modified: Sun, 07 Oct 2012 21:18:59 GMT ETag: "a57c2-3850-4cb7ea73db6c0" Accept-Ranges: bytes Content-Length: 14416 Cache-Control: max-age=1209600 Expires: Thu, 25 Oct 2012 22:55:14 GMT Content-Type: image/png Accept-Ranges: bytes Date: Thu, 11 Oct 2012 22:55:14 GMT X-Varnish: 1766703058 Age: 0 Via: 1.1 varnish Connection: keep-alive X-Varnish-Cache: MISS Here is the Varnish VCL file I'm using (It's a default VCL configuration designed for Drupal): # Default backend definition. Set this to point to your content # server. # backend default { .host = "127.0.0.1"; .port = "8080"; } # Respond to incoming requests. sub vcl_recv { # Use anonymous, cached pages if all backends are down. if (!req.backend.healthy) { unset req.http.Cookie; } # Allow the backend to serve up stale content if it is responding slowly. set req.grace = 6h; # Pipe these paths directly to Apache for streaming. #if (req.url ~ "^/admin/content/backup_migrate/export") { # return (pipe); #} # Do not cache these paths. if (req.url ~ "^/status\.php$" || req.url ~ "^/update\.php$" || req.url ~ "^/admin$" || req.url ~ "^/admin/.*$" || req.url ~ "^/flag/.*$" || req.url ~ "^.*/ajax/.*$" || req.url ~ "^.*/ahah/.*$") { return (pass); } # Do not allow outside access to cron.php or install.php. #if (req.url ~ "^/(cron|install)\.php$" && !client.ip ~ internal) { # Have Varnish throw the error directly. # error 404 "Page not found."; # Use a custom error page that you've defined in Drupal at the path "404". # set req.url = "/404"; #} # Always cache the following file types for all users. This list of extensions # appears twice, once here and again in vcl_fetch so make sure you edit both # and keep them equal. if (req.url ~ "(?i)\.(pdf|asc|dat|txt|doc|xls|ppt|tgz|csv|png|gif|jpeg|jpg|ico|swf|css|js)(\?.*)?$") { unset req.http.Cookie; } # Remove all cookies that Drupal doesn't need to know about. We explicitly # list the ones that Drupal does need, the SESS and NO_CACHE. If, after # running this code we find that either of these two cookies remains, we # will pass as the page cannot be cached. if (req.http.Cookie) { # 1. Append a semi-colon to the front of the cookie string. # 2. Remove all spaces that appear after semi-colons. # 3. Match the cookies we want to keep, adding the space we removed # previously back. (\1) is first matching group in the regsuball. # 4. Remove all other cookies, identifying them by the fact that they have # no space after the preceding semi-colon. # 5. Remove all spaces and semi-colons from the beginning and end of the # cookie string. set req.http.Cookie = ";" + req.http.Cookie; set req.http.Cookie = regsuball(req.http.Cookie, "; +", ";"); set req.http.Cookie = regsuball(req.http.Cookie, ";(SESS[a-z0-9]+|SSESS[a-z0-9]+|NO_CACHE)=", "; \1="); set req.http.Cookie = regsuball(req.http.Cookie, ";[^ ][^;]*", ""); set req.http.Cookie = regsuball(req.http.Cookie, "^[; ]+|[; ]+$", ""); if (req.http.Cookie == "") { # If there are no remaining cookies, remove the cookie header. If there # aren't any cookie headers, Varnish's default behavior will be to cache # the page. unset req.http.Cookie; } else { # If there is any cookies left (a session or NO_CACHE cookie), do not # cache the page. Pass it on to Apache directly. return (pass); } } } # Set a header to track a cache HIT/MISS. sub vcl_deliver { if (obj.hits > 0) { set resp.http.X-Varnish-Cache = "HIT"; } else { set resp.http.X-Varnish-Cache = "MISS"; } } # Code determining what to do when serving items from the Apache servers. # beresp == Back-end response from the web server. sub vcl_fetch { # We need this to cache 404s, 301s, 500s. Otherwise, depending on backend but # definitely in Drupal's case these responses are not cacheable by default. if (beresp.status == 404 || beresp.status == 301 || beresp.status == 500) { set beresp.ttl = 10m; } # Don't allow static files to set cookies. # (?i) denotes case insensitive in PCRE (perl compatible regular expressions). # This list of extensions appears twice, once here and again in vcl_recv so # make sure you edit both and keep them equal. if (req.url ~ "(?i)\.(pdf|asc|dat|txt|doc|xls|ppt|tgz|csv|png|gif|jpeg|jpg|ico|swf|css|js)(\?.*)?$") { unset beresp.http.set-cookie; } # Allow items to be stale if needed. set beresp.grace = 6h; } # In the event of an error, show friendlier messages. sub vcl_error { # Redirect to some other URL in the case of a homepage failure. #if (req.url ~ "^/?$") { # set obj.status = 302; # set obj.http.Location = "http://backup.example.com/"; #} # Otherwise redirect to the homepage, which will likely be in the cache. set obj.http.Content-Type = "text/html; charset=utf-8"; synthetic {" <html> <head> <title>Page Unavailable</title> <style> body { background: #303030; text-align: center; color: white; } #page { border: 1px solid #CCC; width: 500px; margin: 100px auto 0; padding: 30px; background: #323232; } a, a:link, a:visited { color: #CCC; } .error { color: #222; } </style> </head> <body onload="setTimeout(function() { window.location = '/' }, 5000)"> <div id="page"> <h1 class="title">Page Unavailable</h1> <p>The page you requested is temporarily unavailable.</p> <p>We're redirecting you to the <a href="/">homepage</a> in 5 seconds.</p> <div class="error">(Error "} + obj.status + " " + obj.response + {")</div> </div> </body> </html> "}; return (deliver); } I'm getting a MISS and age 0 every time. If I'm understanding correctly, this means the file isn't being returned from Varnish's cache. Is there a problem with my Varnish config?

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  • script to su with password in script without root

    - by Triplell89
    I have scripted a process that involves updating symbolic links on files located on 3 different machines. On those machines exists 4 users each, who each need to have these links updated. Using su, is there a way to pass the password argument to the command on a single line, without invoking sudo as the users will not have admin rights? My only alternative solution at this point is to ssh around, however I would like to be able to do this without hardcoding in a bunch of hosts/ips.

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  • Old Permissions from other users

    - by George
    Hello guys. I just formatted my system and I'm having some problems in cleaning up stuff. I had 2 partitions, formated C: and left with D: Installed Win7 and I want to delete some of these folders in D:, but it's denying me permission, altought I'm the admin. How can I clear these old permissions? Thanks!

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  • How to: SSH private key authentication on OS X

    - by dan
    Hi, I need to ssh into a linux box. The server admin gave me a public and private ssh key. When I'm trying to login with the private key the login times out ("Operation timed out"). I'm using this command to login: ssh -v -i /path/to/private_key host What would be the right way to login? Do I need the public key for authentication? Thanks for any help.

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  • What is the best IIS tracing tool you have used?

    - by Vivek
    I have spent majority of my career using and troubleshooting IIS Web Server. According to me the best thing happened to a Web admin is FRT (Failed Request Tracing) in IIS 7.0.I have used Event Tracing for Windows as well and FRT is as much helpful.Is there any such tracing tool which can give such good in-depth and greater understanding on request flow through the pipeline?

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  • WordPress-based ticketing systems?

    - by CarlF
    I have been asked to set up a ticketing/help desk system for a small nonprofit. Our server runs Debian GNU/Linux. Because we already have WordPress installed and plan to exploit it heavily going forward, I'm wondering whether there are any WP-based ticketing systems. Obviously, it will simplify the admin's life to have less software installed on the server. Thanks.

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  • What is wrong with this call to schtasks on Win 7?

    - by Jost
    I'm trying to run this in a Win 7 Professional admin console: schtasks /create /tn "Task at 16:40 on 10/27/2012" /sc "once" /st "16:40" /sd "10/27/2012" /tr "c:\python27\python.exe c:\users\jost\Desktop\executeScript.py" All referenced files exist. The error message I get is ERROR: The filename, directory name, or volume label syntax is incorrect. What is wrong? Running the command directly on the command line works fine.

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  • How to remote desktop into a sleeping workstation?

    - by Jake
    If an office workstation is turned on, either in wake/sleep/logged off/logged in mode, is it possible to remote desktop into that workstation given that I have full admin priviledge to the Windows Server and Active Directory governing the authentication? What settings is required to check the status of the workstation as well as remote desktop sucessfully? Thanks. NB: There is no one in office. I connect via VPN to the Windows Sever.

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  • seeking VPS Hosting advice

    - by jergw
    What is the best price, best value, for Linux VPS hosting in British Columbia, Canada? looking for something that can handle Perl/PHP, and admin user control of library/module installation. BTW: Is it possible to get a dual setup...half windows mode server, half Linux mode server? Thanks in advance for all your responses.

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  • Determine who is opening a .PST file from a network drive on the local network?

    - by hypoxide
    Our system admin has been struggling with the issue of our network getting completely locked up when users open PST files from network drives. Apparently Microsoft is aware of this problem but there is no fix for it. The entire local network is unable to use Outlook while this file is being opened (which may take hours). Is there a way to determine which user is opening the file instead of forcing everyone in the office to close outlook (like a traffic monitor or something)?

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  • Laptop Backup Synch to the Data Center Without VPN

    - by Sameer
    We would like to synchronize our users or backup their laptops to the data center – looking for suggestions/alternatives to synch them to the data center where they don’t have to know about it. Blue sky like to haves: • Don’t want VPN but needs to secure • Admin can access all files • Global dedup • Select file types only – MS Office, PSTs, PDFs • Incremental change only • Right now 60 users but needs to scale (all Windows7 64 bit) • Can allocate budget if have to Don’t mean to be vague but hoping to get some proven places to start.

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  • What does ldapsearch response mean?

    - by Martijn Burger
    I created a ldap directory with a number of users and groups. When I query this directory from a remote server with: ldapsearch -H ldap://ldap.myserver.net/ -x -vvvvvvv -b dc=myserver,dc=net -D cn=admin,dc=myserver,dc=net -W I get all objects in the directory returned. The result finishes with the following: # search result search: 2 result: 0 Success # numResponses: 85 # numEntries: 84 What do these numbers mean exactly?

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  • How would you secure a home router with a self-signed certificate?

    - by jldugger
    littleblackbox is publishing "private keys" that are accessible on publicly available firmwares. Debian calls these "snake-oil" certs. Most of these routers are securing their HTTPS certs with these, and as I think about it, I've never seen one of these internal admin websites with certs that wasn't self signed. Given a webserver on IP 192.168.1.1, how do you secure it to the point that Firefox doesn't offer warnings (and is still secured)?

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  • How would you secure a home router with a self-signed certificate?

    - by jldugger
    littleblackbox is publishing "private keys" that are accessible on publicly available firmwares. Debian calls these "snake-oil" certs. Most of these routers are securing their HTTPS certs with these, and as I think about it, I've never seen one of these internal admin websites with certs that wasn't self signed. Given a webserver on IP 192.168.1.1, how do you secure it to the point that Firefox doesn't offer warnings (and is still secured)?

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  • HP LaserJet 4250 Printer Networking Problems

    - by MHrappstead
    We've been trying to assign a static IP address to an HP LaserJet 4250 Printer. When we click on the networking tab it asks for a username and password, however it says the admin user is Unauthorized. We've tried IE 8, Firefox, and Chrome and have even updated the firmware to the latest version.

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  • Is it possible to monitor an Asterisk ConfBridge from a URL / Browser?

    - by Lorin S.
    I have an Asterisk server set up with minimal configuration, including the following confbridge definition / extension: *confbridge.conf* [testbridge] type=bridge video_mode=follow_talker max_members=20 mixing_interval=10 internal_sample_rate=auto record_conference=yes *extension.conf* exten => 6100,1,Answer() same => n,Set(CONFBRIDGE(user,admin)=yes) same => n,Set(CONFBRIDGE(user,marked)=yes) same => n,ConfBridge("Ad-hoc",testbridge,default_user,sample_user_menu) Is it possible to monitor the video / audio of the conference without joining via a client?

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  • Determine Configured Location of MySQL's data directory OR all loaded *.cfn Locations

    - by alanstorm
    I'm not a sys-admin, but sometimes I play one at work. I've inherited a virtual server that had MySQL installed from source. I'm gathering as much information about the install as I can (original people who installed it are, of course, not a resource). How can I find The default/current location of the MySQL binary files (often stored in a directory named data?) Any default or custom loaded cnf files? Looking for solutions that are a bit more sophisticated than a find / -iname '*.cnf' :)

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  • How to change my IE start page back?

    - by smwikipedia
    In my registry, the entry "Start Page" under [HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Main] was changed to some bad url. And I found that i don't have permission to modify the [HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Main], only got a "everyone" user to access it. I cannot modify any entry below it even as an Admin. Could anyone help? Thanks.

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  • Mac: Cannot open the parent directory Library

    - by rolandbishop
    I really am about to go crazy because nothing worked out. I'm trying to access the Library folder on my OS Lion however all the tutorials related to this subject involves opening the user library however I would like to access the Library where the 'WebServer' folder is located when you enable web-sharing. Whenever I try to access it it gives me the error that I am not allowed to see what's inside and I checked my status, saying that I am an admin but it still occurs. Any help?

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