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  • IE8 Refuses to run Javascript from Local Hard Drive

    - by Josh Stodola
    I have a problem that just started at work recently and the network manager is certain he did not change anything with the group policy. Anyways, here is a detailed description of the problem. My machine is Windows XP SP3, and I use IE8 to browse. We have McAffee anti-virus software that I am unable to configure. I use the following file to test... <!DOCTYPE html> <html> <head> <title>Javascript Test</title> </head> <body> <script type="text/javascript"> document.write("<h1>PASS</h1>"); </script> <noscript> <h1>FAIL</h1> </noscript> </body> </html> When I open this file from the C: drive, it fails every time. If I execute it anywhere else (local/remote web server or on a mapped network drive), it works just fine. When I am simply browsing the Internet, Javascript on web sites works just fine. It is only failing on files running from my C: drive. Additionally, I have had a couple other programmers in the department try this file on their C: drive, and it works fine for them. So I don't believe it is a group policy thing. I need to fix this because I do extensive testing from my C: drive, and I am accustomed to doing so. I don't want to get into the habit of moving files to a different drive just to test. Things I have tried: Enabled "Allow Active Content to Run Files on My Computer" in Options | Advanced | Security Enabled "Allow Active Scripting" in Options | Security | Custom Level Verified that "Script" was not checked as disabled in Developer Toolbar Added localhost to Trusted Sites in Options Disabled McAffee completely (momentarily, with help from network admin) Used an older DOCTYPE in my test HTML page Re-installed IE8 completely Ran regsvr32 on the JScript.dll Slammed keyboard I am sure that there is a setting somewhere that will fix this problem, possibly in the registry. I would not be surprised if it was related to the developer toolbar. At this point I do not know where else to look. Can anyone help me resolve this problem? EDIT: Regardless of the bounty, this issue is still ongoing.

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  • APC ups es 700 randomly overload

    - by Matteo Mosca
    First of all, I live in Italy, Europe, so keep this in mind for Volt/Watt considerations. Standard voltage in Italian apartments is 220V. In my living room I have 2 APC ups, one being an ES-550 and the other an ES-700 They each have 4 slots for surge protection only, and 4 slots for surge protection + battery backup. Just to give all the information, they both got their battery replaced less than one month ago. The ES-550 works fine, without any problem. On the battery I have connected: Pc Monitor Sony Bravia 46'' 4th slot is empty The ES-700 has the following on battery: Xbox 360 Ps3 (standby when not used) Wii (standby when not used) Netgear 8 port switch (always on) Here's what happens: the ES-700, randomly, but mostly at night when I'm sleeping, goes like "overload", with the constant beep. If I try to shut it off keeping the power button pressed, nothing happens. The only thing that works is unplugging random stuff (sometimes unplugging 1 console works, other times I have to unplug all 4 devices). Every time this happens the problem is "real", meaning the 4 devices become unpowered, so it's not just an "alarm no working properly" problem. While I'm sleeping, of course, the power usage is what described on the list, 2 devices on standy, 1 off and 1 on. Today it happened again while I was playing with my Ps3. I unplugged it, problem went away. I plugged it again, and it kept working fine. I just can't figure out what's the problem. The only additional info I can provide is that this behaviour started after a big power outage last december 26 (a blackout that lasted almost all day) but the "surge protection" part of those UPS should be there for those problems, to leverage peaks when power goes away or gets restored. Another funny thing is, althought it might not be related, for a couple of days after that event the Wii was unable to power on, I thought its power transformer was broken, but then it suddenly started working again. I can be sure it's not the Wii overloading the UPS because the overload happens even if I leave the Wii unplugged. Any suggestion is really appreciated, and I can provide any additional info, if needed, that didn't come to mind right now. Thanks.

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  • DCHP and Router load testing

    - by John H
    I manage a campground wifi network with an average of 10 - 60 active users. I have encountered issues where the router starts acting flaky (failing to assign DHCP or failing to pass traffic) without any clear warning (low cpu utilization, etc). I upgraded the router a couple times and ended up with a Netgear ProSafe VPN router that seems to be handling the traffic. The interesting thing is that the Netgear has lower specs than the Buffalo router it replaced, indicating the issue is with the DD-WRT firmware. While I'll be pursuing this issue on the dd-wrt forums, I need a way to test routers. My vision is having 1-2 computers connected on the LAN side and 1-2 computers connected on the WAN side. I want the LAN computers to be generating various type of traffic and connections, as well as requesting DCHP addresses. A few notes: The wireless aspect should be a non-issue. Most clients would connect to a wireless bridge and come into the router through a network cable. I had a monitoring server with Nagios running check_dhcp against the router. This server was connected directly by a network cable, eliminating wifi bridges and other devices from the equation. This question is somewhat related, but not exactly: Load testing wireless LANs I am going to look at IxChariot. While I'd ideally like to use a 1 computer on each side running Linux and preferably free software, I can entertain running Windows, multiple computers, or non-free software. Total bandwidth doesn't seem to be the issue. I can transfer large files all day. Even on the busiest days, the users seemed to only pull ~5Mbps. There is very little "LAN to LAN traffic" and most of it might never have reached the main router. The issue I need to test for seems to be tied to active users, or more appropriately, active sessions. I know active users or active clients is a meaningless term from a router standpoint and wouldn't mind having more appropriate terms to use. Summary: I need a way to test a routers ability in handling traffic from a large number of clients. My current strategy is to purchase a router, deploy it, and see how it fails in the live environment.

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  • Outlook refuses to connect to Exchange

    - by wfaulk
    Outlook 2007 under Windows XP connecting to Exchange 2003 SP2: when started, it flips back and forth between "Connecting to Exchange Server" and "Disconnected" three or four times, then gives up and stays disconnected. I tried deleting the ost file (which was nearly 2GB), turning Cached mode on and off, recreating the account inside the Mail control panel, changing the account to use HTTP, and probably some other things. None of it seemed to make any difference, until … After fiddling with it for a while, I got this absurd error message dialog at startup, and it exits after I click OK: Cannot start Microsoft Office Outlook. Cannot open the Outlook window. The set of folders cannot be opened. Microsoft Exchange is not available. Either there are network problems or the Exchange server is down for maintenance. (I'm not sure if I can even trust that message. It's so long, it just feels like a random offset into Outlook's stack of error messages.) Either way, the Exchange server is available to everyone else, and is available via OWA from that computer. I ran Process Explorer against Outlook and it showed 5 or so ESTABLISHED connections to our Exchange server, plus listening on two UDP ports, and two CLOSE_WAIT connections to localhost. If I managed to look at Outlook's IP connections while it was doing its Connecting/Disconnected dance, it had a huge number of connections open to the Exchange server. It more than filled ProcExp's dialog box; I'm guessing at least 20, probably more. The only other odd thing is that our network admin at some point added a wildcard DNS record to the domain name that we use for email, and now Outlook will sometimes (always?) start by complaining about autodiscover.example.com's SSL certificate. There is a web server there, but it doesn't have any sort of email autodiscover anything on it. It doesn't make any difference if I click "OK" or "Cancel" (or whatever the buttons are). I also added a bogus entry for the hostname to Windows' hosts file, pointing it at 127.0.0.2, and it stopped complaining about the certificate. (The CLOSE_WAIT sockets above were from before I made this change, and went away after.) I don't think this is related, as the same problem should exist for everyone, but it might be. This is the second time this user has had this problem. The first time, I never found a solution other than reinstalling Outlook. Now that it's a pattern, I'd like to find a permanent solution, rather than assume it's a random glitch.

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  • server 2008 r2 - wbadmin systemstatebackup - system writer not found in the backup

    - by TWood
    I am trying to manually run a systemstatebackup command on my server 2008 r2 box and I am getting an error code '2155347997' when I view the backup event log details. The command line tells me that I have log files written to the c:\windows\logs\windowsserverbackup\ path but I have no files of the .log type there. My command window tells me "System Writer is not found in the backup". However when I run vssadmin list writers I find System Writer in the list and it shows normal status with no last errors stored. I am running this from an elevated command prompt as well as from a logged on administrator account. My backup target path has permission for network service to have full control and it has plenty of free space. Looking in eventlog I have two VSS error 8194 that happen immediately before the Backup error 517 which has the errorcode 2155347997 listed. All three of these errors are a result of trying to run the command for the systemstatebackup. It's my belief that some VSS related permission is failing and exiting the backup process before it ever gets started. Because of this the initial code that creates the log files must not be running and this is why I have no files. When running the systemstatebackup command from the command prompt and watching the windowsserverbackup directory I do see that I have a Wbadmin.0.etl file which gets created but it is deleted when the backup errors out and stops. I have looked online and there are numerous opinions as to the cause of this error. These are the things I have corrected to try and fix this issue before posting here: Machine runs a HP 1410i smart array controller but at one time also used a LSI scsi card. Used networkadminkb.com's kb# a467 to find one LSI_SCSI entry in HKLMSysCurrentControlSetServices which start was set to 0x0 and I modified to 0x3. No changes. In HKLMSystemCurrentControlSetServicesVSSDiag I gave network service full control where it previously only had "Special Permission". No changes. I followed KB2009272 to manually try to fix system writer. These are all of the things I have tried. What else should I look at to resolve this issue? It may be important to note that I run Mozy Pro on this server and that was known in the past to use VSS for copying operations and it occasionally threw an error. However since an update last year those error event log entries have stopped.

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  • UAE and the mysteries of unreachable websites

    - by 0plus1
    I write here because I'm really lost, please stay with me because it's not easy to explain. A company asked me to set-up a private server, now I'm a programmer so I got a solution with technical support and cpanel which helped me to setup everything and it's working smoothless. I'm by no means a professional sysadmin, but I have a fair knowledge of server configurations, but this problem is way over my knowledge, and apparently way over the knowledge of most sysadmins, I really hope that here I'll find someone with enough experience to help me or at least give me more insight. Now this company for which I'm consulting operates in the UAE (United Arab Emirates) and from there the server is almost unreachable. It started with ns not registering in the UAE, after a week that sorted itself out and now the site is indeed reachable, but it takes almost 2 minutes to load a webpage with one line of text. Emails go in timeout. The domain currently parked there has been bought appositely for tests, the main one that was supposed to go there, after a catastrophic week has been transferred to a shared hosting solution in the UK, and from there it works like a charme. Now after doing some research I discovered that I'm not alone in this, there are several reports of webmasters discovering that their website is not reachable inside the UAE, and mind this has nothing to do with the state-wide block of questionable sites, because in that case an error message appears, this seems to be related to the infrastructure of the UAE, which apparently reroutes everything through their own "fake" internet. Apparently new servers with their own IP are not recognized (yet?) by the UAE infrastructure, while shared hosting solutions seeing that they operates tons of other websites are more likely to be part of the UAE network. Now my questions are: 1) Has someone a real explanation for this? The only thing I can think of is that the server is on a new IP that is not yet recognized by the UAE, but that doesn't explain why it loads (even if after 2 minutes). I don't have any help from within the UAE as the only people that are "experts" are questionable companies that simply try to sell their own services. 2) If there is really some kind of block of new servers, is it possible to know before if a server is reachable from within the UAE, currently this is not a ns problem as even accessing the server with its IP result in a 2 minute wait. 3) Can it be that the problem lies somewhere else? There are some tests that I can perform? I'm not physically in the UAE, but I can ask the people there, or use teamviewer. Could it be some misconfiguration on the server (mind that the site works EVERYWHERE else in the world). Thank you for ANY kind of help

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  • How do i enable innodb on ubuntu server 10.04

    - by Matt
    Here is my entire my.cnf [client] port = 3306 socket = /var/run/mysqld/mysqld.sock # Here is entries for some specific programs # The following values assume you have at least 32M ram # This was formally known as [safe_mysqld]. Both versions are currently parsed. [mysqld_safe] socket = /var/run/mysqld/mysqld.sock nice = 0 [mysqld] key_buffer = 224M sort_buffer_size = 4M read_buffer_size = 4M read_rnd_buffer_size = 4M myisam_sort_buffer_size = 12M query_cache_size = 44M # # * Basic Settings # # # * IMPORTANT # If you make changes to these settings and your system uses apparmor, you may # also need to also adjust /etc/apparmor.d/usr.sbin.mysqld. # user = mysql socket = /var/run/mysqld/mysqld.sock port = 3306 basedir = /usr datadir = /var/lib/mysql tmpdir = /tmp skip-external-locking # # Instead of skip-networking the default is now to listen only on # localhost which is more compatible and is not less secure. bind-address = 127.0.0.1 # # * Fine Tuning # #key_buffer = 16M max_allowed_packet = 16M thread_stack = 192K thread_cache_size = 8 # This replaces the startup script and checks MyISAM tables if needed # the first time they are touched myisam-recover = BACKUP #max_connections = 100 #table_cache = 64 #thread_concurrency = 10 # # * Query Cache Configuration # query_cache_limit = 1M #query_cache_size = 16M # # * Logging and Replication # # Both location gets rotated by the cronjob. # Be aware that this log type is a performance killer. # As of 5.1 you can enable the log at runtime! #general_log_file = /var/log/mysql/mysql.log #general_log = 1 log_error = /var/log/mysql/error.log # Here you can see queries with especially long duration #log_slow_queries = /var/log/mysql/mysql-slow.log #long_query_time = 2 #log-queries-not-using-indexes # # The following can be used as easy to replay backup logs or for replication. # note: if you are setting up a replication slave, see README.Debian about # other settings you may need to change. #server-id = 1 #log_bin = /var/log/mysql/mysql-bin.log expire_logs_days = 10 max_binlog_size = 100M #binlog_do_db = include_database_name #binlog_ignore_db = include_database_name # # * InnoDB # # InnoDB is enabled by default with a 10MB datafile in /var/lib/mysql/. # Read the manual for more InnoDB related options. There are many! # # * Security Features # # Read the manual, too, if you want chroot! # chroot = /var/lib/mysql/ # # For generating SSL certificates I recommend the OpenSSL GUI "tinyca". # # ssl-ca=/etc/mysql/cacert.pem # ssl-cert=/etc/mysql/server-cert.pem # ssl-key=/etc/mysql/server-key.pem [mysqldump] quick quote-names max_allowed_packet = 16M [mysql] #no-auto-rehash # faster start of mysql but no tab completition [isamchk] key_buffer = 16M # # * IMPORTANT: Additional settings that can override those from this file! # The files must end with '.cnf', otherwise they'll be ignored. # !includedir /etc/mysql/conf.d/ And here is my show engines call....i have no idea what i need to do to enable innodb show engines; +------------+---------+----------------------------------------------------------------+--------------+------+------------+ | Engine | Support | Comment | Transactions | XA | Savepoints | +------------+---------+----------------------------------------------------------------+--------------+------+------------+ | MyISAM | DEFAULT | Default engine as of MySQL 3.23 with great performance | NO | NO | NO | | MRG_MYISAM | YES | Collection of identical MyISAM tables | NO | NO | NO | | BLACKHOLE | YES | /dev/null storage engine (anything you write to it disappears) | NO | NO | NO | | CSV | YES | CSV storage engine | NO | NO | NO | | MEMORY | YES | Hash based, stored in memory, useful for temporary tables | NO | NO | NO | | FEDERATED | NO | Federated MySQL storage engine | NULL | NULL | NULL | | ARCHIVE | YES | Archive storage engine | NO | NO | NO | +------------+---------+----------------------------------------------------------------+--------------+------+------------+ 7 rows in set (0.00 sec)

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  • Event ID 9331 MSExchangeSA & Event ID 9335 MSExchangeSA

    - by George
    I get this two Exchange 2010 Global Address book related event IDs: Event ID 9331 MSExchangeSA OABGen encountered error 80004005 (internal ID 50101f1) accessing the public folder database while generating the offline address list for address list '/'. -\Default Offline Address List and Event ID 9335 MSExchangeSA OABGen encountered error 80004005 while cleaning the offline address list public folders under /o=xxxxx xxxx/cn=addrlists/cn=oabs/cn=Default Offline Address List. Please make sure the public folder database is mounted and replicas exist of the offline address list folders. No offline address lists have been generated. Please check the event log for more information. -\Default Offline Address List It is Exchange 2010 SP2 sitting on Windows 2008 enterprise edition. Essentially the issue is that the global address book is not being updated on Outlook clients. We are using Outlook 2007 and 2010. So far I have tried running the following command: Update-FileDistributionService -Identity ExchangeServer -Type "OAB" And I tried this solution as well: 1) Make sure the Microsoft Exchange System Attendant is running. It will be set to start automatically by default, but it doesn't. This is a known issue. Start this service manually. When running, you will not get an error when trying to update the GAL. 2) "Apply" any changes made to any address lists before the GAL will update Outlook properly. In Organization Configuration - Mailbox in EMC, view the properties of the Default Global Address Book in the Offline Address Book tab. In the properties window, select the Address Lists tab. This shows which address lists makes up the GAL. 3) Close the properties window and select the Address Lists tab in the Organization Configuration - Mailbox. Right-click each address list used by the Def GAL and click "Apply" (make sure the "Immediately" radio button is checked). 4) Last, go back to the Offline Address Book tab, right-click the GAL and select "Update". After a few send/receives in the Outlook clients, their Glogal Address List should update to show the latest changes. Neither one of those solutions helped. So I am not really sure what to do here. Also, I am aware of changing registry on each local computers, but it would be close to impossible as we have 8 offices in 3 different countries. Any suggestions? EDIT 7.XII.2012 @ 10.35 I forgot to mention that we did rebuild the address book and that didn't help.

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  • Rsync over ssh: "ERROR: module is read only" suddenly appeared

    - by user978548
    I've used from some time rsync/ssh to backup my shared host contents to my personal Synology NAS (212j for that matter), and it worked quite well. For information, I use a password-less ssh connection. 3 days ago, I updated my NAS software and since (or at least I believe it's since that), the backup won't work anymore. I get the following error on the host: rsync: writefd_unbuffered failed to write 4 bytes to socket [sender]: Broken pipe (32) ERROR: module is read only ..which I do not understand. beside that nothing changed that I know of in both source and destination that can be related to rsync or ssh, I did check a few things and all seems to be alright: I can still connect through ssh from the host to my NAS with the good user, so ssh stuff like keys haven't changed. I also have the correct file permissions on the NAS (I checked, and also tried to create files, directories, .. with the user used by rsync through ssh). I read here and there that the error means that I have to ensure that my rsyncd.conf have the right read only = no in it, but as far as I know, I never used rsyncd as well as I never configured anything for it and until now it worked like a charm.. I use the following command to do the backup: rsync -ab --recursive \ --files-from="$FILES_FROM" \ --backup-dir=backup_$SUFFIX \ --delete \ --filter='protect backup_*' \ $WDIRECTORY/ \ remote_backup:$REMOTE_BACKUP/ So I'm stuck and really can't figure out what happened. Edit: As suggested in comments, I also tried passing commands to ssh (but not from inside a ssh session), that worked as expected, and also tried a single rsync command, which didnt worked, failing just like the complete backup command. (sharedHost):hostuser:~ > touch test.txt (sharedHost):hostuser:~ > rsync test.txt remote_backup:backups/test.txt ERROR: module is read only rsync error: syntax or usage error (code 1) at main.c(1034) [Receiver=3.0.8] rsync: connection unexpectedly closed (9 bytes received so far) [sender] rsync error: error in rsync protocol data stream (code 12) at io.c(601) [sender=3.0.7] and (sharedHost):hostuser:~ > ssh remote_backup 'touch /abs_path_to_backups/backups/test2.txt && echo "ProoF" > /abs_path_to_backups/backups/test2.txt' (sharedHost):hostuser:~ > ssh remote_backup 'cat /abs_path_to_backups/backups/test2.txt' ProoF

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  • Why many applications close after opening a document or doing a specific actions?

    - by Mohsen Farjami
    I have some encrypted pdf files that have no problem and in my last windows, I could open them easily with Adobe Reader 9.2 and other pdf readers. But now, I can only open non-encrypted pdf files and one encrypted file with Adobe Reader. every time I open almost any encrypted pdf, it closes itself. Also, when I try to search a folder for a keyword with Foxit Reader, once it closed. This is not related to Adobe Reader, because I have the same problem with Word 2007. When I open a document, sometimes it closes instantly and sometimes it closes after a few seconds and sometimes it is stable. My windows is Fresh. I have installed it a few days ago. I have ESET Smart Security 5.2 and I have updated it today. OS: XP Pro SP3, RAM: 3 GB, CPU: 2 GHZ, HDD: 320 GB My installed applications: Adobe AIR Adobe Flash Player 11 ActiveX Adobe Flash Player 11 Plugin Adobe Photoshop CS4 Adobe Reader 9.2 Atheros Wireless LAN Client Adapter Babylon Bluetooth Stack for Windows by Toshiba CCleaner Conexant HD Audio Dell Touchpad ESET Smart Security Farsi (101) Custom Foxit Reader Framing Studio 3.27 Google Chrome Hard Disk Sentinel PRO HDAUDIO Soft Data Fax Modem with SmartCP Intel(R) Graphics Media Accelerator Driver IrfanView (remove only) Java(TM) 6 Update 18 K-Lite Mega Codec Pack 8.8.0 Microsoft .NET Framework 2.0 Service Pack 1 Microsoft .NET Framework 3.0 Service Pack 1 Microsoft .NET Framework 3.5 Microsoft Data Access Components KB870669 Microsoft Office 2007 Primary Interop Assemblies Microsoft Office Enterprise 2007 Microsoft User-Mode Driver Framework Feature Pack 1.0.0 (Pre-Release 5348) Mozilla Firefox 7.0.1 (x86 en-US) Notepad++ Office Tab FreeEdition 8.50 ParsQuran PerfectDisk 12 Professional Registry First Aid RICOH R5C83x/84x Flash Media Controller Driver Ver.3.54.06 Sahar Money Manager 2.5 Stickies 7.1d The KMPlayer (remove only) TurboLaunch 5.1.2 Unlocker 1.9.1 USB Safely Remove 4.2 Virastyar Visual Studio 2005 Tools for Office Second Edition Runtime Winamp Windows Internet Explorer 8 Windows Media Player 11.0.5358.4826 Windows XP Service Pack 3 WinRAR 4.11 (32-bit) WorkPause 1.2 Z Dictionary My startup applications: WorkPause USB Safely Remove TurboLaunch SunJavaUpdateSched Stickies rfagent Persistence ParsQuran Daily Verse ITSecMng IgfxTray HotKeysCmds Hard Disk Sentinel egui disable shift+delete CTFMON.EXE Bluetooth Manager Babylon Client Apoint AdobeCS4ServiceManager Adobe Reader Speed Launcher Adobe ARM What should I do to solve it? If you recommend installing Windows again, what guarantees that it won't happen again?

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  • iptables management tools for large scale environment

    - by womble
    The environment I'm operating in is a large-scale web hosting operation (several hundred servers under management, almost-all-public addressing, etc -- so anything that talks about managing ADSL links is unlikely to work well), and we're looking for something that will be comfortable managing both the core ruleset (around 12,000 entries in iptables at current count) plus the host-based rulesets we manage for customers. Our core router ruleset changes a few times a day, and the host-based rulesets would change maybe 50 times a month (across all the servers, so maybe one change per five servers per month). We're currently using filtergen (which is balls in general, and super-balls at our scale of operation), and I've used shorewall in the past at other jobs (which would be preferable to filtergen, but I figure there's got to be something out there that's better than that). The "musts" we've come up with for any replacement system are: Must generate a ruleset fairly quickly (a filtergen run on our ruleset takes 15-20 minutes; this is just insane) -- this is related to the next point: Must generate an iptables-restore style file and load that in one hit, not call iptables for every rule insert Must not take down the firewall for an extended period while the ruleset reloads (again, this is a consequence of the above point) Must support IPv6 (we aren't deploying anything new that isn't IPv6 compatible) Must be DFSG-free Must use plain-text configuration files (as we run everything through revision control, and using standard Unix text-manipulation tools are our SOP) Must support both RedHat and Debian (packaged preferred, but at the very least mustn't be overtly hostile to either distro's standards) Must support the ability to run arbitrary iptables commands to support features that aren't part of the system's "native language" Anything that doesn't meet all these criteria will not be considered. The following are our "nice to haves": Should support config file "fragments" (that is, you can drop a pile of files in a directory and say to the firewall "include everything in this directory in the ruleset"; we use configuration management extensively and would like to use this feature to provide service-specific rules automatically) Should support raw tables Should allow you to specify particular ICMP in both incoming packets and REJECT rules Should gracefully support hostnames that resolve to more than one IP address (we've been caught by this one a few times with filtergen; it's a rather royal pain in the butt) The more optional/weird iptables features that the tool supports (either natively or via existing or easily-writable plugins) the better. We use strange features of iptables now and then, and the more of those that "just work", the better for everyone.

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  • How to start nginx via different port(other than 80)

    - by Zhao Peng
    Hi I am a newbie on nginx, I tried to set it up on my server(running Ubuntu 4), which already has apache running. So after I apt-get install it, I tried to start nginx. Then I get the message like this: Starting nginx: the configuration file /etc/nginx/nginx.conf syntax is ok configuration file /etc/nginx/nginx.conf test is successful [emerg]: bind() to 0.0.0.0:80 failed (98: Address already in use) [emerg]: bind() to 0.0.0.0:80 failed (98: Address already in use) [emerg]: bind() to 0.0.0.0:80 failed (98: Address already in use) [emerg]: bind() to 0.0.0.0:80 failed (98: Address already in use) [emerg]: bind() to 0.0.0.0:80 failed (98: Address already in use) That makes sense as Apache is using port 80. Then I tried to modify nginx.conf, I reference some articles, so I changed it like so: server { listen 8080; location / { proxy_pass http://94.143.9.34:9500; proxy_set_header Host $host:8080; proxy_set_header X-Real-IP $remote_addr; proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; proxy_set_header Via "nginx"; } After saving this and try to start nginx again, I still get the same error as previously. I cannot really find a related post about this, could any good people shred some light? Thanks in advance :) ========================================================================= I should post all the content in conf here: user www-data; worker_processes 1; error_log /var/log/nginx/error.log; pid /var/run/nginx.pid; events { worker_connections 1024; # multi_accept on; } http { include /etc/nginx/mime.types; access_log /var/log/nginx/access.log; sendfile on; #tcp_nopush on; #keepalive_timeout 0; keepalive_timeout 65; tcp_nodelay on; gzip on; gzip_disable "MSIE [1-6]\.(?!.*SV1)"; include /etc/nginx/conf.d/*.conf; include /etc/nginx/sites-enabled/*; server { listen 81; location / { proxy_pass http://94.143.9.34:9500; proxy_set_header Host $host:81; proxy_set_header X-Real-IP $remote_addr; proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; proxy_set_header Via "nginx"; } } } mail { See sample authentication script at: http://wiki.nginx.org/NginxImapAuthenticateWithApachePhpScript auth_http localhost/auth.php; pop3_capabilities "TOP" "USER"; imap_capabilities "IMAP4rev1" "UIDPLUS"; server { listen localhost:110; protocol pop3; proxy on; } server { listen localhost:143; protocol imap; proxy on; } } Basically, I changed nothing except adding the server part.

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  • XP shared folders not accessible after BIOS changed

    - by stijn
    Here's what worked for over a year: PC A runs Windows 7, PC B runs Windows XP. Both are on the same subnet behind a router. A uses user account X, but logs in to PC B using the Administrator account. PC B is a Dell Precision 470. A known problem with these is that sometimes when plugging in their power cable they somehow loses all BIOS settings. This happened yesterday. After this happens Windows won't boot, because the default BIOS setting is 'RAID ON' while there is no RAID configured. No problem though, changing the BIOS settings to 'RAID OFF' makes it boot without problems. Note that in the meantime, nothing config-related was changed on machine A. It wasn't even on. Indeed after doing this, everything is fine. Everything includes all normal operations, remote desktop from PC A to PC B, running Synergy between A and B, accessing shared folders from B to A. But accessing the shared folders on B from A does not work any more. I tried pretty much everything I found via Google (fiddling with policies/registry kes/...) but no avail. > ping -a 192.168.2.2 Pinging A [192.168.2.2] with 32 bytes of data: Reply from 192.168.2.2: bytes=32 time<1ms TTL=128 > net view \\192.168.2.2 System error 5 has occurred. Access is denied. > net use /persistent:no K: \\A\myshare /user:A\USERNAME PASSWORD > net use /persistent:no K: \\192.168.2.2\myshare /user:192.168.2.2\USERNAME PASSWORD > net use /persistent:no K: \\192.168.2.2\myshare /user:USERNAME PASSWORD System error 86 has occurred. The specified network password is not correct. A solution to this would be great: I haven't been able to do any work since yesterday ;] update after taking the hard drive out of B and putting it in another Precision 470 with almost exactly the same hardware (at first sight, only the video card differs) the shared folders work.. Putting the disk back into A, same problem remains. Why does this depend on hardware, and more important, on which hardware?

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  • PSU failing or Mainboard failing?

    - by Andrei Rinea
    I am having some troubles lately powering on my desktop workstation. While starting up the PC after being off for hours (usually at least 8 hours) it randomly fails to do so. What happens is that : I press the power button; nothing happens I can hear a moderate buzzing noise at the back of the PC (near the PSU); but I can't say for sure that it's not from the mainboard. If I insist pressing the power button a few times in 1-2 minutes it'll start Another route would be that instead of (3) I will plug off the power cable from the PSU and wait for 30 seconds. Then I will press the power on and keep it for 30-60 seconds (I had some success at notebooks with a similar approach). Then I will plug back the cable in the PSU, press only once the power button and it will start normally. Also while running normally I keep hearing some low buzzing which seems to be fan-RPM-related (i.e. when processing images or doing CPU intensive work). What should I look into? UPDATE It's getting worse. It took more than 10 retries today and almost 20 minutes to start the computer. I tried the paperclip trick and the PSU behaves perfectly. I managed to start the computer like so : I pressed the on-button a few times and then left the PC in a pre-startup state (the fans were working the buzzing noise was strong and I went to eat. I thought I won't lit the house on fire so fast and without smelling. Back, after 10-15 min the computer booted up! Discussed with a fellow at Intel and he told me the capacitors on the mainboard are probably a bit shot. If they are shot, he said, it should start up warm perfectly. So I did restart it, warm, a few times (5 sec cooldown and then 40 sec cooldown and it started up perfectly). I can either replace the capacitors on the mainboard (doesn't sound worth it or replace the mainboard (this one sucks too :)) ) FINAL INFO : It was the PSU after all. Although it was powering the IDEs and SATAs the Mainboard power module was failing. I bought another mainboard just to find out that this wasn't the cause. Now I'll have to return it somehow. The spare PSU is now in the computer and doing well.. Although larger (500W), it's like a plane taking off.. I need a better one.

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  • How to change key mappings in Cygwin's Vim

    - by Boldewyn
    I'm using Vim under Debian, Win Vista and WinXP (the latter two with Cygwin). To handle tabs more easily, I mapped <C-Left> and <C-Right> to :tab(prev|next). This mapping works like a charm on the Debian machine. On the Windows machines, however, pressing <C-Left> deletes 5 lines, as far as I can tell, and meddles with cursor position, while <C-Right> does this, too, and additionally enters Insert mode. Question: To put it in a nutshell, how can I find out, why Vim behaves as it does? Is there a way to backtrace the active commands and keystrokes? Could there be a plugin the culprit? (I didn't install one, perhaps a default include by the Cygwin distro...) If so, how can I find it? Edit 1: OK, it seems, that I got a first trace: The terminal sends for <C-Left> '^[[1;5D', and for right '^[[1;5C' (evaluated with the <C-V><C-Left> trick). If vim interprets this literally and discards the first characters, it explains the strange behaviour. Any ideas, how I could change this key mapping? Additional Diagnosis: This behaviour occurs regardless of any existing ~/.vimrc file (is therefore not related to my above mentioned mapings) and is not inherited of some /etc/vim/vimrc, since this doesn't exist in the default Cygwin installation. :verbose map doesn't yield any new insights. Either nothing or my mentioned mappings appear, based on the existence of the .vimrc file :help <C-Left> suggests, that the default would be a simple cursor movement, which is apparently not the case. Vim's version under Cygwin: VIM - Vi IMproved 7.2 (2008 Aug 9, compiled Feb 11 2010 17:36:58) Included patches: 1-264 Compiled by http://cygwin.com/ Huge version without GUI. Features included (+) or not (-): +arabic +autocmd -balloon_eval -browse ++builtin_terms +byte_offset +cindent -clientserver -clipboard +cmdline_compl +cmdline_hist +cmdline_info +comments +cryptv +cscope +cursorshape +dialog_con +diff +digraphs -dnd -ebcdic +emacs_tags +eval +ex_extra +extra_search +farsi +file_in_path +find_in_path +float +folding -footer +fork() -gettext -hangul_input +iconv +insert_expand +jumplist +keymap +langmap +libcall +linebreak +lispindent +listcmds +localmap +menu +mksession +modify_fname +mouse -mouseshape +mouse_dec -mouse_gpm -mouse_jsbterm +mouse_netterm -mouse_sysmouse +mouse_xterm +multi_byte +multi_lang -mzscheme -netbeans_intg -osfiletype +path_extra -perl +postscript +printer +profile -python +quickfix +reltime +rightleft -ruby +scrollbind +signs +smartindent -sniff +statusline -sun_workshop +syntax +tag_binary +tag_old_static -tag_any_white -tcl +terminfo +termresponse +textobjects +title -toolbar +user_commands +vertsplit +virtualedit +visual +visualextra +viminfo +vreplace +wildignore +wildmenu +windows +writebackup -X11 -xfontset -xim -xsmp -xterm_clipboard -xterm_save system vimrc file: "$VIM/vimrc" user vimrc file: "$HOME/.vimrc" user exrc file: "$HOME/.exrc" fall-back for $VIM: "/usr/share/vim" Compilation: gcc -c -I. -Iproto -DHAVE_CONFIG_H -g -O2 -D_FORTIFY_SOURCE=1 Linking: gcc -L/usr/local/lib -o vim.exe -lm -lncurses -liconv

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  • Automatic layout of manual network mapping

    - by Paul
    So I have a small business network mainly consisting of two routed layer-2 domains with a total of ca. 100 devices spread over ca. 2000m² production and office spaces. Typical problems to solve using the graph would be: Over what (cable) path is a PC connected to the server? Where to expect devices connected to a switch port? I want to generate a graph of the physical network topology: Nodes are endpoint devices, switch ports, wall outlets, patch panel ports etc. Edges are cable connections. Ideally, grouping edges (or segments) that pass through the same bundle could be grouped. Also I would like to augment the graph data with automatically gathered data (monitoring state, MAC address, Switch port <- MAC entries to build up parts of the map). At the moment I use graphviz for this inside a Confluence wiki like that: layout = "neato" overlap = scale subgraph { rankdir = "TB" subgraph cluster_r1pf1 { r1pf1 [label="{ Rack 1 PF 1 | { <p1>P1 | <p2>P2 | <p3>P3} }", shape=record] } subgraph cluster_switch1 { switch1 [label="{ Rack 1 Switch 1 | { <p1> P1 | <p1> P1 | <p3> P3} }", shape=record] } r1pf1:p1 -> switch1:p1 (obviously there are dozens of entries omitted here) Problem is: I have a hard time to influence graphviz to generate a bearable layout. Edges overlap so bad that you can't read the diagram anymore. The question is: What other tools (be it interactive like Visio, Omnigraffle or I/O-oriented like graphviz) exist that would allow an easily versionable (as in: Operates on a text file) documentation that is both machine and human readable and editable? Why not OmniGraffle or Visio? Well we don't have Macs and Visio is not available at the moment. To buy it I would need good arguments. Automation would be one of that. But last time I looked, versioning Visio files or even thinking about automatic handling was a nightmare. Related: Network Mapping Tools basically asks the same with a focus on generating the complete graph automatically (but without the need to document cabling connections) Recommendations for automatic computer inventory brings up links of "all-in-one" solutions

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  • Why can't I connect to remote Microsoft SQL Server through SSH tunnel?

    - by Alexander
    I have at home a D-Link DIR-615 C1 router with DD-WRT. I set up the SSH server on the router, and log on through an SSH2-RSA passphrase-protected key. That router is the gateway between the local network and the internet. One of the computers on that network has Microsoft SQL Server 2008 installed, with TCP/IP protocol enabled through port 1433. I've set up port forwarding on the router, so that remote connections are possible and are, in fact, working (some developers log on remotely without problems). I am part of another network, that has internet access through a proxy server, which only has ports 80 and 443 opened. I can't connect to that MSSQL server on that remote server because 1433 port is closed on this network. I connected (using Putty) through 443 port to my router's SSH server, and set up 2 tunnels. One is for RDP (3389), and it's working. The other is for 1433 port, to connect to the server. I can't connect through the SSH tunnel to the MS SQL Server, neither through telnet, or through GUI clients. Am I missing something? Additional details: on connect, I get this error from SQL Server Management Studio: TITLE: Connect to Server Cannot connect to localhost:14330. ADDITIONAL INFORMATION: A network-related or instance-specific error occurred while establishing a connection to SQL Server. The server was not found or was not accessible. Verify that the instance name is correct and that SQL Server is configured to allow remote connections. (provider: Named Pipes Provider, error: 40 - Could not open a connection to SQL Server) (Microsoft SQL Server, Error: 3) For help, click: http://go.microsoft.com/fwlink?ProdName=Microsoft+SQL+Server&EvtSrc=MSSQLServer&EvtID=3&LinkId=20476 BUTTONS: OK The tunnel is configured like this: L14330 192.168.0.103:1433 192.168.0.103 is the permanent address of the SQL Server on the LAN. I also successfully forwarded TCP traffic of 3389 port to that IP, so tunneling is working to that IP address. When connecting without tunnel, through Microsoft SQL Server Management Studio, using the same method the connection establishes. Too bad my proxy doesn't allow 1433 port traffic, I wouldn't have this headache.

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  • Postfix to deliver mail to a virtual address mailbox

    - by Chloe
    Postfix version 2.6.6, Dovecot Version 2.0.9 I want to setup Postfix + Dovecot. Dovecot seems to be working. I can authenticate. However, the mailbox is empty! Nothing will get delivered! I followed many tutorials on Postfix + Dovecot but they seem to want to complicate things by using Dovecot LDA or MySQL. I just want it to be very simple and having Postfix deliver to the virtual mail boxes are fine. I don't need MySQL either. I already set up a custom password file that Dovecot uses for authentication and I can login to POP3 with SSL. I can see from the logs that Postfix is delivering to the system user accounts (the catch-all), instead of the virtual users that I set up in Dovecot. The SMTP + SSL authentication seems to work also. I can also see from the logs that Dovecot is checking the correct virtual mail folder. I just need to figure out how to get Postfix to deliver to the virtual mail boxes. I have the following which I believe are relevant. Let me know what other settings you need to see: alias_maps = hash:/etc/aliases mydestination = $myhostname, localhost.$mydomain, localhost, $mydomain mydomain = xxx.com myhostname = mail.xxx.com mynetworks = 99.99.99.99, 99.99.99.99 myorigin = $mydomain relay_domains = $mydestination, xxx.com, domain2.net, domain3.com sendmail_path = /usr/sbin/sendmail.postfix setgid_group = postdrop smtpd_recipient_restrictions = reject_non_fqdn_sender reject_non_fqdn_recipient reject_unknown_recipient_domain permit_sasl_authenticated check_relay_domains smtpd_sasl_auth_enable = yes smtpd_sasl_path = private/auth smtpd_sasl_type = dovecot smtpd_sender_restrictions = check_sender_mx_access cidr:/etc/postfix/bogus_mx reject_invalid_hostname reject_unknown_sender_domain reject_non_fqdn_sender virtual_mailbox_base = /var/spool/vmail virtual_mailbox_domains = xxx.com, domain2.net, domain3.com virtual_minimum_uid = 444 Postfix master.cf: submission inet n - - - - smtpd -o smtpd_tls_security_level=encrypt -o smtpd_sasl_auth_enable=yes -o smtpd_sasl_type=dovecot -o smtpd_sasl_path=private/auth -o smtpd_sasl_security_options=noanonymous -o smtpd_sasl_local_domain=$myhostname -o smtpd_client_restrictions=permit_sasl_authenticated,reject -o smtpd_sender_login_maps=hash:/etc/postfix/virtual -o smtpd_sender_restrictions=reject_sender_login_mismatch -o smtpd_recipient_restrictions=reject_non_fqdn_recipient,reject_unknown_recipient_domain,permit_sasl_authenticated,reject Dovecot related: mail_location = maildir:~/Maildir passdb { args = /etc/dovecot/users.conf driver = passwd-file } service auth { unix_listener /var/spool/postfix/private/auth { mode = 0660 user = postfix } } The virtual mail user: vmail:x:444:99:virtual mail users:/var/spool/vmail:/sbin/nologin Here is the /var/log/maillog when I try to send something to myself: Oct 25 22:10:05 308321 postfix/smtpd[2200]: connect from user-999.cable.mindspring.com[99.99.99.99] Oct 25 22:10:05 308321 postfix/smtpd[2200]: D224BD4753: client=user-999.cable.mindspring.com[99.99.99.99], sasl_method=LOGIN, [email protected] Oct 25 22:10:06 308321 postfix/cleanup[2207]: D224BD4753: message-id=<7DC3C163CFFC483AB6226F8D3D9969D2@dumbopc> Oct 25 22:10:06 308321 postfix/qmgr[2168]: D224BD4753: from=<[email protected]>, size=1385, nrcpt=1 (queue active) Oct 25 22:10:06 308321 postfix/smtpd[2200]: disconnect from user-999.cable.mindspring.com[99.99.99.99] Oct 25 22:10:06 308321 postfix/local[2208]: D224BD4753: to=<[email protected]>, orig_to=<[email protected]>, relay=local, delay=1.1, delays=0.53/0.02/0/0.51, dsn=2.0.0, status=sent (delivered to mailbox) Oct 25 22:10:06 308321 postfix/qmgr[2168]: D224BD4753: removed

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  • How to find out Vim's currently mapped commandos

    - by Boldewyn
    I'm using Vim under Debian, Win Vista and WinXP (the latter two with Cygwin). To handle tabs more easily, I mapped <C-Left> and <C-Right> to :tab(prev|next). This mapping works like a charm on the Debian machine. On the Windows machines, however, pressing <C-Left> deletes 5 lines, as far as I can tell, and meddles with cursor position, while <C-Right> does this, too, and additionally enters Insert mode. Question: To put it in a nutshell, how can I find out, why Vim behaves as it does? Is there a way to backtrace the active commands and keystrokes? Could there be a plugin the culprit? (I didn't install one, perhaps a default include by the Cygwin distro...) If so, how can I find it? Additional Diagnosis: This behaviour occurs regardless of any existing ~/.vimrc file (is therefore not related to my above mentioned mapings) and is not inherited of some /etc/vim/vimrc, since this doesn't exist in the default Cygwin installation. :verbose map doesn't yield any new insights. Either nothing or my mentioned mappings appear, based on the existence of the .vimrc file :help <C-Left> suggests, that the default would be a simple cursor movement, which is apparently not the case. Vim's version under Cygwin: VIM - Vi IMproved 7.2 (2008 Aug 9, compiled Feb 11 2010 17:36:58) Included patches: 1-264 Compiled by http://cygwin.com/ Huge version without GUI. Features included (+) or not (-): +arabic +autocmd -balloon_eval -browse ++builtin_terms +byte_offset +cindent -clientserver -clipboard +cmdline_compl +cmdline_hist +cmdline_info +comments +cryptv +cscope +cursorshape +dialog_con +diff +digraphs -dnd -ebcdic +emacs_tags +eval +ex_extra +extra_search +farsi +file_in_path +find_in_path +float +folding -footer +fork() -gettext -hangul_input +iconv +insert_expand +jumplist +keymap +langmap +libcall +linebreak +lispindent +listcmds +localmap +menu +mksession +modify_fname +mouse -mouseshape +mouse_dec -mouse_gpm -mouse_jsbterm +mouse_netterm -mouse_sysmouse +mouse_xterm +multi_byte +multi_lang -mzscheme -netbeans_intg -osfiletype +path_extra -perl +postscript +printer +profile -python +quickfix +reltime +rightleft -ruby +scrollbind +signs +smartindent -sniff +statusline -sun_workshop +syntax +tag_binary +tag_old_static -tag_any_white -tcl +terminfo +termresponse +textobjects +title -toolbar +user_commands +vertsplit +virtualedit +visual +visualextra +viminfo +vreplace +wildignore +wildmenu +windows +writebackup -X11 -xfontset -xim -xsmp -xterm_clipboard -xterm_save system vimrc file: "$VIM/vimrc" user vimrc file: "$HOME/.vimrc" user exrc file: "$HOME/.exrc" fall-back for $VIM: "/usr/share/vim" Compilation: gcc -c -I. -Iproto -DHAVE_CONFIG_H -g -O2 -D_FORTIFY_SOURCE=1 Linking: gcc -L/usr/local/lib -o vim.exe -lm -lncurses -liconv

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  • How do I troubleshoot an IPsec tunnel (from a cellular router to a public server)?

    - by Hanno Fietz
    I'm new to IPsec and struggling with a setup that might soon be widely used in our operations (provided I do understand it, eventually...). A cellular router (blackbox by netModule, from its log messages it seems to be running Linux and OpenSwan) connects a sensor network on customers' sites with our public server. We need to be able to connect into the local network, so I had the cell provider give me a public IP (a dynamic one). The way their setup works, the public IPs only allow IPsec traffic. I set up OpenSwan on our Ubuntu server (running Jaunty). This is my connection config from /etc/ipsec.conf: conn gprs-field-devices left=my.pub.lic.ip [email protected] #leftsubnet=192.168.1.129/25 right=%any [email protected] #rightsubnet=192.168.1.1/25 #rightnexthop=%defaultroute auto=add On the router, all I have is the Web UI, in which I made the following settings: "Remote endpoint": public IP of server, same as "left" above "Local Network Address": 192.168.1.1 "Local Network Mask": 255.255.255.128 "Remote Network Address": 192.168.1.129 "Remote Network Mask": 255.255.255.128 The pluto process on the server is listening for connections on port 500. It can't open a tunnel, obviously, because it doesn't know at which IP the client is. I set up a passphrase as PSK for @field.econemon.com in /etc/ipsec.secrets and also configured it in the router (which doesn't seem to support certificates). My problem is, nothing happens. The router just says, IPsec is "down". When I copy-paste the IP into ipsec.conf (for "right="), and ask the server to ipsec auto --up gprs-field-devices, it just hangs until I press Ctrl-C. Is there anything wrong with my setup? How can I debug this further? My router gives the following loglines that seem related, but don't tell me anything: Feb 21 23:08:20 Netbox authpriv.warn pluto[2497]: loading secrets from "/etc/ipsec.secrets" Feb 21 23:08:20 Netbox authpriv.warn pluto[2497]: loading secrets from "/etc/ipsec.d/hostkey.secrets" Feb 21 23:08:20 Netbox authpriv.warn pluto[2497]: loading secrets from "/etc/ipsec.d/netbox0.secrets" Feb 21 23:08:20 Netbox authpriv.warn pluto[2497]: "netbox00" #1: initiating Main Mode Feb 21 23:08:20 Netbox daemon.err ipsec__plutorun: 104 "netbox00" #1: STATE_MAIN_I1: initiate Feb 21 23:08:20 Netbox daemon.err ipsec__plutorun: ...could not start conn "netbox00" Feb 21 23:08:22 Netbox authpriv.warn pluto[2497]: packet from 188.40.57.4:500: ignoring informational payload, type NO_PROPOSAL_CHOSEN Feb 21 23:08:22 Netbox authpriv.warn pluto[2497]: packet from 188.40.57.4:500: received and ignored informational message Feb 21 23:08:28 Netbox user.warn parrot.system_controller[762]: IPSECCTRLR: Tunnel 0 is down for 0 seconds Feb 21 23:08:40 Netbox user.warn parrot.system_controller[762]: IPSECCTRLR: Tunnel 0 is down for 10 seconds Feb 21 23:08:52 Netbox authpriv.warn pluto[2497]: packet from 188.40.57.4:500: ignoring informational payload, type NO_PROPOSAL_CHOSEN

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  • Hanging page loads every n loads - SOLVED

    - by Christian
    Hi Guys I recently moved my site to a new server (Apache 2, PHP5, MySQL5). The site is an Invision based forum. Every few posts / topics it just hangs. The data has been written because if you stop and reload, the post / thread is there. I thought it was a write issue initially, but nope. So, the data is written but the page load never completes. It doesn't leave the page where the data has been input. Whats the best way to trouble shoot this issue? The only thing I have done recently is reduce my MySQL timeouts, but I can't see that being an issue as the values are still big enough and there are no mentions of timeouts in the MySQL log. (For the record there is nothing in PHP's error log either) Thanks in advance! EDIT: I checked my server-status. It all looked ok, but I have a suspicion I was hitting my ServerLimit, so I doubled that. Also enabled my Keepalives. Will keep an eye on it. EDIT 2: Its now been a few days and this is still occuring. I have more info though; Apache is throwing seg faults, but enabling core dumps does not produce them. I have tried disabling the modules in apache but it just stops things from working. I fear it may actually be DNS related. If I watch Live Headers in Firefox, absolutely nothing happens during this 'hanging' period. After that, the responses come back fairly promptly. UPDATE (05/04): I built the latest versions of Apache and PHP from source, no luck. I then removed those and used the remi repo to update all my packages to the latest stable. Segfaults seem to have stopped, but the hanging is continuing. ini's are at; www.skylinesaustralia.com/php.ini www.skylinesaustralia.com/my.cnf www.skylinesaustralia.com/httpd.conf UPDATE - SOLVED! - The issue was having a gigantic query cache size in MySQL. It was 2GB, changing it to 64M sorted it. Thanks for all the help everybody, much appreciated!!

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  • Cannot connect to WEBrick on home network

    - by Chris Stewart
    I'm an Android developer and often my applications require server-side code. I typically use Ruby on Rails for the web app, and during development will run the server on my local machine (Mac OS X) with WEBrick. In the morning when I get to the office, I'll run ifconfig in the console to see what IP my laptop has been given that day. I'll use that IP in my Android app when making requests to the web app in question. This all works fine, when I'm in my office. When I get home, I attempt to do the same thing, find my laptop's IP via ifconfig, set it in my app's config file, but the destination can never be found. To exclude my app from the set of hurdles, I attempt to visit the web server IP (e.g., http://192.168.1.4:3000) from my phone's browser, and it cannot connect. If I try from my laptop, which is running the web server, it works fine. If I try from another machine, on the same network, it also is unable to connect. Given this, I think I've narrowed it down to some kind of configuration in my home network, but I frankly have no idea what the cause could be. I don't have anything special at home, your basic Verizon FiOS router/modem with everything connected via Wi-Fi (Wi-Fi for both phone and laptop at work as well, fyi). I've tried disabling the firewall on my Verizon router, enabling port forwarding, and just about everything else I could do for port 3000, and nothing has changed. Dear Server Fault geniuses, please help a poor developer out. :) Edit: Some follow up items to add. My Mac's firewall is not active, and all incoming requests are allowed. I've also verified on my phone and laptop, that they're on the same network (192.168.1.4 Mac, 192.168.1.9 Phone). I have no idea why this isn't working. Edit 2: I went into System Preferences, enabled Web Sharing, and tried to view the website from my phone and it didn't connect. So it's not WEBrick or related to Rails. The firewall on my machine is off and the firewall on my router is off. Edit 3: Some progress. I set up port forwarding for port 3000 to my laptop, found the external IP, and used that and it connected fine. So, there's definitely something not quite set up correctly on my internal network.

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  • WSUS is not using Akamai CDN for syncronisation source

    - by Geekman
    I've just installed a WSUS onto our network, and I'm currently doing the initial sync. I've found that WSUS does not seem to be talking to an Akamai cache, but rather with MS directly. This is contrary to what I've always thought regarding Windows Update traffic. Tcpdump of our WSUS server doing initial sync... As you can see it's speaking with 65.55.194.221. For me to speak to this IP, I have to go over international transit links. Which is of course not ideal. 8:42:31.279757 IP 65.55.194.221.https > XXXX.XXXX.XXXX.XXXX.50888: Flags [.], seq 4379374:4380834, ack 289611, win 256, length 1460 18:42:31.279759 IP 65.55.194.221.https > XXXX.XXXX.XXXX.XXXX.50888: Flags [.], seq 4380834:4382294, ack 289611, win 256, length 1460 18:42:31.279762 IP 65.55.194.221.https > XXXX.XXXX.XXXX.XXXX.50888: Flags [.], seq 4382294:4383754, ack 289611, win 256, length 1460 18:42:31.279764 IP 65.55.194.221.https > XXXX.XXXX.XXXX.XXXX.50888: Flags [P.], seq 4383754:4384144, ack 289611, win 256, length 390 18:42:31.279793 IP XXXX.XXXX.XXXX.XXXX.50888 > 65.55.194.221.https: Flags [.], ack 4369154, win 23884, length 0 18:42:31.279888 IP XXXX.XXXX.XXXX.XXXX.50888 > 65.55.194.221.https: Flags [.], ack 4377914, win 23884, length 0 18:42:31.280015 IP XXXX.XXXX.XXXX.XXXX.50888 > 65.55.194.221.https: Flags [.], ack 4384144, win 23884, length 0 And yet, if I ping download.windowsupdate.com it seems to resolve to a local (national) Akamai node, just fine: root@some-node:~# ping download.windowsupdate.com PING a26.ms.akamai.net (210.9.88.48) 56(84) bytes of data. 64 bytes from a210-9-88-48.deploy.akamaitechnologies.com (210.9.88.48): icmp_req=1 ttl=59 time=1.02 ms 64 bytes from a210-9-88-48.deploy.akamaitechnologies.com (210.9.88.48): icmp_req=2 ttl=59 time=1.10 ms Why is this? And how can I change that (if possible)? I know that I can manually specify a WSUS source to sync with instead of pick the default MS Update like I currently have... But it seems like I shouldn't have to do this. NOTE: I've haven't confirmed if a WUA speaks with Akamai, just looking at WSUS as all WUAs will use our internal WSUS from now on. We'll be looking to join an IX shortly with the hopes of peering with an Akamai cache and have very fast access to Windows Updates. Before I let this drive my motivations for an IX at all I want to first confirm it's actually possible for WSUS to speak with an Akamai cache. I know this is somewhat networking related, but I feel like it has more to do with WSUS than anything, so someone who knows WSUS better than me will likely be able to figure this out.

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  • Rebasing a branch which is public

    - by Dror
    I'm failing to understand how to use git-rebase, and I consider the following example. Let's start a repository in ~/tmp/repo: $ git init Then add a file foo $ echo "hello world" > foo which is then added and committed: $ git add foo $ git commit -m "Added foo" Next, I started a remote repository. In ~/tmp/bare.git I ran $ git init --bare In order to link repo to bare.git I ran $ git remote add origin ../bare.git/ $ git push --set-upstream origin master Next, lets branch, add a file and set an upstream for the new branch b1: $ git checkout -b b1 $ echo "bar" > foo2 $ git add foo2 $ git commit -m "add foo2 in b1" $ git push --set-upstream origin b1 Now it is time to switch back to master and change something there: $ echo "change foo" > foo $ git commit -a -m "changed foo in master" $ git push At this point in master the file foo contain changed foo, while in b1 it is still hello world. Finally, I want to sync b1 with the progress made in master. $ git checkout b1 $ git fetch origin $ git rebase origin/master At this point git st returns: # On branch b1 # Your branch and 'origin/b1' have diverged, # and have 2 and 1 different commit each, respectively. # (use "git pull" to merge the remote branch into yours) # nothing to commit, working directory clean At this point the content of foo in the branch b1 is change foo as well. So what does this warning mean? I expected I should do a git push, git suggests to do git pull... According to this answer, this is more or less it, and in his comment @FrerichRaabe explicitly say that I don't need to do a pull. What's going on here? What is the danger, how should one proceed? How should the history be kept consistent? What is the interplay between the case described above and the following citation: Do not rebase commits that you have pushed to a public repository. taken from pro git book. I guess it is somehow related, and if not I would love to know why. What's the relation between the above scenario and the procedure I described in this post.

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  • Transient network dropout for Xen DomU's

    - by Stephen C
    We've got a CentOS server running a cluster of virtuals. Occasionally the cluster's internal network drops out for a minute or so ... and then comes back. The problem is somehow related to the actual network traffic, but it is not a simple load issue. (The system is generally lightly loaded, and the problem occurs irrespective of actual load.) The setup: CentOS 5.6 on Dom0, various CentOS on the DomU's Hardware - a Dell R710 with a BroadCom NextXpress 2 NIC (sigh) using the latest drivers for the NIC from BroadCom Xen configured to use network-bridge and vif-bridge Some iptable tweaks to route an unrelated port to one of the virtuals. The system has one externally visible IP address, and Dom0 runs an Apache httpd configured with a number of virtual hosts each of which reverse proxies to web servers running on the virtuals. (The virtuals have to be NAT'ed, primarily because we don't have enough allocated public IP addresses.) The symptoms: Works fine most of the time. When someone tries to UPLOAD a large file to one virtuals, the internal network drops out ... for all virtuals: The Dom0 httpd sees a network timeout talking to the backend server on the virtual and reports a 502. A previously established ssh connection from Dom0 to any of the DomU's freezes. Our monitoring shows ping failures for traffic between virtuals. The Xen consoles to the DomU's do not freeze. No log messages in any log files that I can see, on either Dom0 or the DomU's ... apart from the Dom0 httpd logs. After a minute or so, the problem clears by itself. This is 100% reproducible. What we've tried: Downloading, building and installing the latest BNX2 driver on Dom0 Turning off MSI on the NIC - adding "options bnx2 disable_msi=1" to /etc/modprobe.conf Turning off tcp segmentation offload - "ethtool -K eth0 tso off". Sacrificing a black rooster at midnight. I've exhausted all my options apart from switching to KVM ... or slaughtering more roosters. Any suggestions?

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