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  • Deleting certain files sits at "preparing to recycle" on Windows 7?

    - by Rachel
    We recently setup one of our users with a brand new Windows 7 computer, however she is unable to delete certain files. With some testing, I found I cannot move, rename, or view properties of these files either. When trying to delete the file, it just sits at the "Preparing to recycle" popup, however the "from" section says "Discovering items..." Clicking "More Details" on the popup shows me that it can't find the file name or where it's recycling from: Other notes... All the affected files are .pdf files that get created via a scanner. Other pdf files are fine. Opening the files works fine. I can open the file, Save As a new file, and delete the new one just fine Trying to delete the file via command prompt just sits there Rebooting the computer will let me manipulate the files like normal, however this user is responsible for scanning hundreds of documents a day and I'd rather not have to tell her to reboot her computer to delete files. The user is part of the administrator group on the computer The Owner of the affected files is the user attrib of files is just A

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  • Five stars of open data - example and review

    - by Joe
    (there may be a more suited SE site for this question so feel free to shift) I have some data I'd like to make open to the public - It's synatesis of some related data retrived from freedom of infomation requests over the last year. The data itself is at http://www.cs.rhul.ac.uk/home/joseph/domesday/Domesday-Scotland.csv or for fans of Excel, at http://www.cs.rhul.ac.uk/home/joseph/domesday/Domesday-Scotland.xlsx . It's no more than a table with about five columns. I'd like to make this properly open data, so I was looking at the 5 star deployment scheme for Open Data. Much of which is fine but I'm confused towards the end and I could do with an explenation from people who know the answers. So to get achieve the star levels I need: "make your stuff available on the Web (whatever format) under an open license" trival - all I have to do is put the notes up on the page that will give the provance of the data. "make it available as structured data (e.g., Excel instead of image scan of a table)"… done… "use non-proprietary formats (e.g., CSV instead of Excel)" - done… "use URIs to identify things, so that people can point at your stuff" - this is where I start to get a bit hazy - does this mean there should be an URI for every line in the table? "link your data to other data to provide context" - this isn't massively clear to me - does this mean to give the provence of the data? One column of the data I've put out is a link to where the data came from - is that the sort of thing we're looking at? Any and all information and answers welcome… EDIT - or if anyone wants to recommend a place SE or other place to ask the question - that would be cool...

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  • Plesk: Spamassassin ignores emails to redirected accounts

    - by Mat
    When I set up email redirects within Plesk 9.5, Spamassassin ignores all emails sent to the redirected address and only scans emails that are sent directly to the address which has a mailbox. Steps to reproduce Set up two mail accounts: [email protected] as a proper email account with a mailbox and [email protected] with all emails redirected to [email protected]. (It doesn't make a difference, if [email protected] has a mailbox enabled or not.) [email protected] -> [email protected] Set up the spam filter on both accounts. I set mine to delete spam right away, but you can just keep the default ("mark as spam"). Now, when you send an emails to [email protected], it will have Spamassassins tags in the email header, but when you send emails to [email protected], they will end up in the same mailbox but will have no spamassassin tags in the emails header and they will not be scanned. Other notes I am using Plesk 9.5.4 on Ubuntu 8.04 LTS with the default Qmail. I've observed this bug since Plesk 8, but I can't stand it any more and would appreciate any hack or fix.

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  • IPv6 working fine, IPv4 throws OpenSSL error

    - by jippie
    I am building a webserver ( http://blog.linformatronics.nl/ ), which functions just fine on both IPv4 and IPv6 and when using a non-SSL connection. However when I connect to it through https, IPv6 works as expected, but an IPv4 connection throws a client side error. Server side logs are empty for the IPv4/https connection. Summarized in a table: | http | https -----+-------+------------------------------------------------------- IPv4 | works | OpenSSL error, failed. No server side logging. -----+-------+------------------------------------------------------- IPv6 | works | self signed certificate warning, but works as expected Apparently the SSL tunnel isn't even set up, which accounts for the Apache logs being empty. But why does it work fine for IPv6 and fail for IPv4? My question is why is this OpenSSL error being thrown and how can I solve it? Below is some extra information about the setup. IPv6 https Command used to reproduce IPv6/https behaviour: $ wget --no-check-certificate -O /dev/null -6 https://blog.linformatronics.nl --2012-11-03 15:46:48-- https://blog.linformatronics.nl/ Resolving blog.linformatronics.nl (blog.linformatronics.nl)... 2001:980:1b7f:1:a00:27ff:fea6:a2e7 Connecting to blog.linformatronics.nl (blog.linformatronics.nl)|2001:980:1b7f:1:a00:27ff:fea6:a2e7|:443... connected. WARNING: cannot verify blog.linformatronics.nl's certificate, issued by `/CN=localhost': Self-signed certificate encountered. WARNING: certificate common name `localhost' doesn't match requested host name `blog.linformatronics.nl'. HTTP request sent, awaiting response... 200 OK Length: 4556 (4.4K) [text/html] Saving to: `/dev/null' 100%[=======================================================================>] 4,556 --.-K/s in 0s 2012-11-03 15:46:49 (62.5 MB/s) - `/dev/null' saved [4556/4556] IPv4 https Command used to reproduce IPv6/https behaviour: $ wget --no-check-certificate -O /dev/null -4 https://blog.linformatronics.nl --2012-11-03 15:47:28-- https://blog.linformatronics.nl/ Resolving blog.linformatronics.nl (blog.linformatronics.nl)... 82.95.251.247 Connecting to blog.linformatronics.nl (blog.linformatronics.nl)|82.95.251.247|:443... connected. OpenSSL: error:140770FC:SSL routines:SSL23_GET_SERVER_HELLO:unknown protocol Unable to establish SSL connection. Notes I am on Ubuntu Server 12.04.1 LTS

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  • Windows 7 & Photoshop CS5.1 - "Fonts missing" issue - I have the font!! (sort of)

    - by Tigue Von Bond
    I've noticed a really aggravating issue with Adobe Photoshop CS5.1 on at least two occasions. I downloaded a layered PSD file to work with, in the release notes it directed me to a download page for all of the font used, which was Futura Medium Condensed. I chcked and did not have any Futura fonts at all. So I downloaded and installed the font from the source provided by the provider of the PSD. I closed and reopened Photoshop and when I open the PSD file I get an error saying: Some text layers contain fonts that are missing. These layers will need to have the missing fonts replaced before they can be used for vector based output. I then go to edit the text layer and receive: The following fonts are missing for text layer "discount" Future CondensedExtraBold Font substitution will occur. Continue? If I click OK, it substitutes Myriad Pro for this layer. Didn't I download the right font? I go into the font dropdown and see I have a font with a slightly different name "Futura-CondensedExtraBold-Th Regular" I have also seen this issue with Helvetica. I have received a PSD file, same "some text layers contain fonts that are missing These..." error dialog when I open up the file - and when I go to edit a layer with text I get: The following fonts are missing for text layer "Home": Helvetica Font substitution will occur. Continue? I click continue - it substitutes Myriad Pro - and check my font list and sure enough I have a bunch of Helvetica fonts, none exactly named "Helvetica" Is this a common issue? Googling it yielded a few people with similar problems (I think all on Macs) but either no concrete help or no response. Is it that the two font names aren't EXACT matches? If that is the case is there any way of setting up Photoshop to more intelligently substitute or even set up some sort of mapping (if "Helvetica" then substitute "Helvetica Lt Std" ? Is there anything else, maybe something that I am not thinking of?

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  • What characters are illegal in Cisco IOS username secret passwords?

    - by Alain O'Dea
    I am using username secret to add users with encrypted passwords to our switches and firewall. I have been battling with the same switches and firewall for a couple of hours trying to get securely generated hard passwords for all admins. Sometimes, the passwords would go into config, but wouldn't work for login. According to the documentation for enable secret a password must not begin with a number and ? has to be entered as Ctrl-V then ? to escape it. I followed that and still got passwords I could not use sometimes. There was no error when I ran username, but the password would be rejected on login by some, but not all of the switches. They are all WS-C2960-48PST-L. The passwords it didn't like contained back ticks "`" (that character under tilde ~ under Esc). The "misbehaving" switches are running: Cisco IOS Software, C2960 Software (C2960-LANBASEK9-M), Version 12.2(50)SE5, RELEASE SOFTWARE (fc1) The "working" switches are running: Cisco IOS Software, C2960 Software (C2960-LANBASEK9-M), Version 12.2(46)SE, RELEASE SOFTWARE (fc2). The "misbehaving" switches are running a newer IOS, so this suggests a regression introduced somewhere between 12.2(46)SE and 12.2(50)SE5. I was unable to find any evidence of this being intentional in the release notes for 12.2(50)SE. I would like to avoid this next time the passwords are changed :) What characters are illegal in Cisco IOS username secret passwords? Thank you for your help :)

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  • Live Screencast under Linux

    - by OmnipotentEntity
    I was having some difficulty with running a Live Screencast under Linux. I've found jtvlc and tried using that, but whenever I use it the stream comes out either blank or lagged with extremely high latency. I have a fast internet connection and a fast computer, but am I perhaps taxing it too much? Any ideas on what I could possibly be doing wrong? # 1. Get an account on http://www.justin.tv/ # 2. Copy streaming key from: http://www.justin.tv/broadcast/adv_other # 2. Install VLC: http://www.videolan.org/vlc/ # 3. Get Win/Mac/Lin Stream Client: \ # http://apiwiki.justin.tv/mediawiki/index.php/Linux_Broadcasting_API # 4. Adjust the vlc parameters to your liking and run VLC like this #!/bin/bash cvlc screen:// --input-slave=pulse:// \ --screen-width 1920 \ --screen-height 1080 \ --screen-fps 5 \ -v input_stream \ --sout='#duplicate{ dst="transcode{ scale=1, venc=x264{ keyint=60 }, vcodec=h264, vb=600, acodec=mp4a, ab=32, channels=2, samplerate=22050 } :rtp{dst=127.0.0.1,port=1234,sdp=file:///tmp/vlc.sdp} "}' \ --sout-transcode-threads=4 & sleep 2 # 5. Run JTVLC to stream like this: ./jtvlc/jtvlc omnipotententity censored /tmp/vlc.sdp # Notes: #- If you want to see what you're about to stream add 'dst=display, ' # before 'dst="transcode[' # More about the VLC parameters: http://wiki.videolan.org/Documentation:Modules/screen

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  • How to send from my Z88 to my PC

    - by Bevan
    I've got a Cambridge Z88 that I want to get working with my PC. Around 6 years ago - in 2004 - I made heavy use of my Z88 to do a whole bunch of writing on the train while commuting to and from work. The Z88 is solid state, lightweight and has a full size silent keyboard, so it works very well as a writing instrument. I still have the serial cable I soldered up back then and used successfully in 2004. It has these connections: Z88 9 pin ----- ------- 2 TxD ------> RxD 2 3 RxD <------ TxD 3 7 GND <-----> GND 5 4 RTS ------> CTS 8 5 CTS <-+ RTS 7 8 DCD <-+---- DTR 4 9 DTR ----+-> DCD 1 +-> DSR 6 Unfortunately, I haven't been able to find my notes from 2004 that describe how I got it to work back then. I've spent several hours trying to Google a result, but to no avail. I'm pretty sure the cable is fine - after all, it's what I used successfully six years ago, and I've checked it out with a multimeter - so I'm focusing on the PC end of things, which is where I'd like some assistance. Q1: In my recent attempts, I've been using both Hyperterminal (as built into Windows XP) and the command line (copy com2: con:), but with no success. What's a good (better!) serial communications application to use? Is there one that allows me to see as deep as the signalling that's occurring on the wire? Q2: If you have a Z88 that works correctly with your PC, what software do you use on the PC end, and what's the pinout of your cable? I'm pretty sure that the Z88 itself is working properly: When using the built in Import/Export tool to send a file, I see different behaviour when my serial cable is connected compared to disconnected. When disconnected, the transmission appears to work, with a progress meter counting up and then finishing; when connected, nothing happens 'cept a timeout if I wait long enough.

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  • sudo fdisk in a live session does not show all hard drives

    - by cornbread
    I am having Grub2 issues in my Ubuntu 10.04 dual boot, 2 hard drive system. So I am attempting to follow the standard grub2 reinstallation guide (cant post link because of spam filters allowing only one... ?_?) Don't know if this is the root of my problem, but my speedy internal HD with my OS on it is not showing up anywhere in a live session. Not in nautilus, behind fdisk.... no where. When I can get the main system to boot, there is no issue seeing all available partitions. But the live session sees only the 1TB internal media/backup hard drive. I need access to the other hard drive and it's partitions to finish the grub2 re-installation but I am not sure anymore that is the underlying issue. Anyone have experience with this? The issue I have identified as a grub2 issue is fully described here. SandPvvr describes it exactly. Some notes: I do not see the grub2 menu for my os's holding down the shift key after my bios screen works maybe 10% of the time Not related to reinstalling a windows os. havent been touched in a year do some web development. issue may have started when I was playing with ruby and django. not sure on this. Could a dev environment do this? fdisk in live session ubuntu@ubuntu:~$ sudo fdisk -l Disk /dev/sdb: 1000.2 GB, 1000204886016 bytes 255 heads, 63 sectors/track, 121601 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk identifier: 0x0001d518 Device Boot Start End Blocks Id System /dev/sdb2 1 121601 976759939 5 Extended /dev/sdb5 487 110765 885816036 83 Linux /dev/sdb6 110766 121601 87040138+ b W95 FAT32 /dev/sdb7 1 486 3903700+ 82 Linux swap / Solaris Partition table entries are not in disk order

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  • Can't access WordPress blog after host changed IP address of server

    - by John
    My host changed servers and all websites now have a new IP address. I have the same domain name and I assume the host runs the same nameservers, though my host and domain name provider are different. Notes: I never entered a Name or description under General/Settings for my blog. I left them both blank. That is when I could log into it. The wp-config file, has localhost entered rather than a specific IP. Again this has always been the case and my host never advised otherwise. I can get into cPanel by simply putting the newly advised IP in front of /Cpanel. However, I can not reach the admin panel of my WordPress blog (version 2.8.2). I had been loggin into it via http://xx.xx.xxx.xx/~example/blog/wp-login.php. My host suggested to simply insert the new IP in place of the old one. I still get the error message: 404 Not Found The server can not find the requested page: Apache/2.0.63 (Unix) mod_ssl/2.0.63 OpenSSL/0.9.8e-fips-rhel5 mod_auth_passthrough/2.1 mod_bwlimited/1.4 FrontPage/5.0.2.2635 PHP/5.2.12 Server at 74.50.108.14 Port 80 I followed some tips on a question on Stack Overflow of a similar nature. I have logged into phpMyAdmin and found the wp-options table and searched for SELECT * FROM `wp_options` WHERE `option_name` IN ('siteurl', 'home') Only option ID 39 came up and the results are: Home has optionvalue http://example.org siteurl has optionvalue http://example.org/blog Both of which appear correct. Is there any part of the MySQL tables where I can change an actual IP address? Or is there something else you can advise?

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  • Sane patch schedule for Windows 2003 cluster

    - by sixlettervariables
    We've got a cluster of 75 Win2k3 nodes at work in a coarse grained compute cluster. The cluster is behind a mountain of firewalls and resides in its own VLAN. Jobs of all sizes and types run on the cluster and all of the executables running are custom-made. (ed: additional notes on our executables) The jobs range from 30 seconds to 7 days in duration, and may contain one executable or 2000 sub-jobs (of short duration). Obviously we are trying to avoid the situation where our IT schedules a reboot during a 7 day production job. We have scheduling software which accomodates all of the normal tasks for a coarse grained cluster and we can control which machines are active for submission, etc. If WSUS was in some way scriptable (or the client could state it's availability for shutdown) we could coordinate the two systems and help out. Currently, the patch schedule is the Sunday after Super Tuesday regardless of what is running on the cluster. We have to ask for an exemption every time we want to delay patching a machine for a long running production job. Basically, while our group is responsible for the machines we have little control over IT's patch schedule. Is patching monthly with MS's schedule sane for a production Windows cluster? Are there software hooks in WSUS where we could say, "please don't reboot just yet"?

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  • Windows 7 64 bit Installation freezes after a while durig the setup

    - by vinz243
    I have a windows 7 32 bits on my computer. Because i have 5 gb of ram (kingston) on my asus M2N motherboard and only 3 were able to be used, I bought W7 x64 and install it. It loads the wizard, but after a while, it freezes, and I have to force reboot. It first crashed while unzipping w7 files, but if I wait a while on the terms page for example, it can crash before, which make me think that it is a matter of time. I remember I had the same issue while booting on Ubuntu x64, it crashed randomly but not load completely. No bip or other messages. Configuration: Software OS (before) W7 x86 Pro New OS : W7 x64 Pro Antivirus : avast (bios verification ?) BIOS 03/27/2008 - v08.00.12 Hardware : Motherboard : Asus M2N Processor : AMD Athlon 64 dualcore @ 2.6 GHZ Memory : 5120 MB ((2 + 2) + (1)) NOTES : I ran a memory test using openSUSE cd, though i have not finished it, it ran. EDIT: I tried not to run the setup but wait, and i get the BSOD : A problem... TL;DW IRQL_NOT_LESS_OR_EQUAL If it is.. TL;DW ***STOP: 0x0000000A (0x0000000000000000,0x0000000000000002, 0x0000000000000001, 0xFFFFF8001A49ED1F)

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  • Mac updated just now, postgres now broken

    - by user52224
    I run postgres 9.1 / ruby 1.9.2 / rails 3.1.0 on a maxbook air for local dev. It's all been running smoothly for months, (though this is the first time I've done development on a mac.) It's a macbook air from last year, and today I got the mac osx software update message as I have a few times before, and my system downloaded approx 450mb of updates and restarted. It now says it's on OSX 10.7.3. Point is, postgres has stopped working, when I start my thin server (mirror heroku cedar) as normal, and then browse to my rails app I get: PG::Error could not connect to server: Permission denied Is the server running locally and accepting connections on Unix domain socket "/var/pgsql_socket/.s.PGSQL.5432"? What happened? After browsing around a few questions I'm still confused, but here's some extra info: Running psql from command line gives same error I can run pgadmin 3 and connect via it and run SQL no problems Running which psql shows the version as /usr/bin/psql I created a PostgreSQL user back when I got the mac (it's always been on lion) I've no idea why, almost certainly I was following a tutorial which I neglected to store in my notes. Point is I am aware there is a _postgres user as well. I know it's rubbish, but apart from a note on passwords, I don't have any extra info on how I configured postgres - though the obvious implication is that I did not use the _postgres user. Anyone have suggestions or information on what might have changed / what I can try to debug and fix? Thanks. Edit: Playing around based on this question and answer: http://stackoverflow.com/questions/7975414/check-status-of-postgresql-server-mac-os-x, see this string of commands: $ sudo su postgreSQL bash-3.2$ /Library/PostgreSQL/9.1/bin/pg_ctl start -D /Library/PostgreSQL/9.1/data pg_ctl: another server might be running; trying to start server anyway server starting bash-3.2$ 2012-04-08 19:03:39 GMT FATAL: lock file "postmaster.pid" already exists 2012-04-08 19:03:39 GMT HINT: Is another postmaster (PID 68) running in data directory "/Library/PostgreSQL/9.1/data"? bash-3.2$ exit

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  • very slow internet with Linksys WRT54GL only in wireless mode (wired is OK)

    - by gojira
    I bought a new Cisco Linksys WRT54GL router to connect my laptop (running Windows 7) to the internet. I installed Tomato 1.28 firmware on the router. When I connect the laptop to the router via ethernet cable, everything is fine and I get extremely fast up- and download speeds. When I connect wirelesssly however, websites load extremely slow - it takes dozens of seconds to load a website! <-- This is my question, how can I fix the wireless speed issue? Gmail for example is unusable this way. I tried speedtest.net, but this always fails in the upload part of the test so I can't even test the bandwidth (could the fact that it fails in the upload part, not the download part, be an indication what the problem is?!). I have isolated the problem a bit, I am convinced it has to do either with the router itself, the router settings, or the settings of the wireless connection in Win 7. Because previously, I was using another router by Buffalo and I had no problems whatsoever. I have tried to reproduce the settings from the Bufallo router as closely as possible on the Linksys router (same channel, same encryption etc). The download speed problem only occurs with the Linksys router, and only in wireless mode! When I exchange the Linksys router with the Buffalo router I have here for testing, the wireless speed is up to normal again. Also, before I had installed the Tomato firmware I had exactly the same problem, so it has nothing to do with the firmware itself. Notes & things I already tried: Changing the channel: does not seem to affect anything, I am also on the same channel (10) which I was previously on when I had a Buffalo router. QoS is off. Ping to the router itself is OK, ~ 1 ms. Some current settings of the linksys router: WAN / Internet Type: DHCP Wirelesss Mode: Access Point B/G Mode: Mixed Broadcast: check Channel: 10 - 2.457 GHz Security: WPA2 Personal Encryption: AES

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  • HP tx2510us shuts down without warning, now won't boot, no BIOS codes, screen doesn't light

    - by Tim S
    Hey all, HP tx2150us worked great for a year and a half, rarely it would shut down instead of sleeping. It started running hot sometimes, I installed Win7, worked great, still running hot. Before Xmas, it gave me evidence of video errors - jagged lines, rows missing. That same night, it started rebooting, then it shut off and wouldn't boot. It gave me a BIOS code, I shut it off to look up the code online. When I turned it on again, it won't boot at all. The LEDs all light up, the fan, HD, and optical all spin up, but the screen never lights up and it doesn't try to boot, nor does it blink any BIOS codes. It just acts like it's sleeping, and won't wake up. I suspected heat problems, so I disassembled it, cleaned the crap out of the fan, and reassembled it, breaking the stereo mic connector. Oh well. When I reassembled it, it booted up into Win7 again, but kept shutting down for no discernible reason. After a dozen or so random reboots like that, it is now back to where it was - turns on but doesn't boot or give BIOS codes. The screen never lights, and everything spins up then idles. Any ideas? I really can't afford to buy a new one and I use(d) it to take ALL my notes, that's why I got a tablet in the first place.

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  • Replacing HD in an MacOS 10.6.8 server caused all shares to fail

    - by Cheesus
    I'm hoping someone might have a helpful suggestion about this problem. We have 2 MacOSX servers available for file sharing. (quad Xeons - 2GB RAM, both 10.6.8), No.1 is an Open Directory Master with 50+ user accounts, No.2 has only 2 local accounts (/local/Default) and looks at the OD Master for all user accounts (/LDAPv3/10.x.x.20/) Both servers have 3 internal HD's, The boot volume with only Server OS and minimal Apps. A 'DataShare' HD (500GB) and a backup drive (500GB). After upgrading the DataShare HD in Server No.2 from a small internal HD (500GB) to larger capacity (2TB) drive, users are unable to connect to shares on Server No.2. Users get an error "There are no shares available or you are not allowed to access them on the server" The process I followed was to use Carbon Copy Cloner to create an exact copy of the original data drive (keeps all ownership data, UID, permissions, last edit date and time). Everything booted up ok, no indication there was any issues. (Paths to the sharepoint look good) Notes during troubleshooting - Server1 is operating perfectly, all users can access shares and authenticate etc. - I've checked the SACL (Server Access Control List) settings is ok. - On Server2 in the Server Admin' app, I can see all the shares listed ok. The paths seem valid, I can disable / reenable the shares, no errors. - On Server2 'workgroup manager' lists all the accounts from the OD Master in the LDAP dir view. All seems fine from here. Basically everything looks normal but no file shares on Server2 can be accessed from regular users.

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  • iTunes Home Sharing only works one way between 2 Windows XP PC's on the same LAN

    - by scunliffe
    Both PC's have the latest iTunes installed. PC (A) can "see" that there is a shared library "B library" but attempts to connect to it return this error message: The shared library "{Username}'s Library" is not responding (-3259) Check that any firewall software running on either the shared computer or this computer has been set to allow communication on port 3689. however the reverse works fine. e.g. PC (B) can "see" shared library "A library" and can access all content. Notes: Both PC's have Home Sharing enabled (turned off/on several times to verify). Both PC's have Windows Firewall turned on, but in the exceptions tab, iTunes is allowed, and Port 3689 is also added as a firewall exception (just in case) Both iTunes accounts have been "authorized" on both PC's Both PC's connect via LAN via D-Link DIR-615 router. In the advanced application rules, iTunes has also been added to allow traffic on port 3689 un-hindered. Is there any other magical setting/configuration option that I should be aware of and set in order to get this to work? I could care less about sharing apps etc. I just want the music sharing to work. Update: Solved! It turns out on PC (B) there were multiple accounts set up. 1 of the accounts had the checkbox checked under the Windows firewall "On" option which states "No exceptions" thus even though it was added to the exception list on the main user account, this other account was blocking access.

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  • RPC Server Unavailable on Hyper-V cluster when moving resources after the host adapter has failed

    - by Doug Luxem
    On a Windows 2008 R2 SP1 cluster running Hyper-V, a lost network connectivity on the primary host interface. The interface was rapidly flapping up and down, and this was later determined to be caused by a faulty switch port. As this was a clustered server, the host interface was not fault tolerant (seeing as how the whole server was fault tolerant), so connectivity to the host was going up and down. The Hyper-V guests were completely unaffected by the network outage as they used a dedicated trunk on the server separate from the host interface. Additionally, dedicated interfaces for the cluster and live migration networks were fine. In order to diagnose the server, I tried to move all resources (Hyper-V Guests) to other nodes through Failover Cluster Manager. These moves failed with an error RPC Server Unavailable. The only way to move resources was by shutting down the guests, stopping the cluster service on the Node A, allowing other nodes to take ownership of the resources, and restarting the guests. A few other notes: All nodes have Client for MS Networks and File & Printer Sharing enabled on the Cluster and LM networks. Node A was accessible over cluster and LM networks from other nodes (these are private, cluster-only networks); pingable, CIFs, etc. Accessing \\NODEA is done over the Host adapters, as you would expect in this case and is the reason for the RPC Server Unavailable error with that adapter being down. My questions here are - Is there a way to still use Live Migration in a failure scenario such as this to prevent shutting down the Hyper-V guests? How can the network be reconfigured in the future so that the cluster service attempts to use the cluster and/or live migration networks to issue the RPC requests?

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  • Puzzling TCP performance over 3G / UMTS

    - by lemonsqueeze
    I'm using 3G as my primary internet connection, and TCP over this thing is getting more puzzling every day. For example: Downloading from kernel.org is crazy fast: $wget http://www.kernel.org/pub/linux/kernel/v3.0/linux-3.6.8.tar.bz2 increases to ~500kB/s after a few secs ! Some servers are incredibly slow, for instance www.graphic-pc.com:Same thing, downloading a big file with wget it starts at ~30kB/s for a split second, then collapses to 5-10k or even worse. Web browsing is decent but somewhat unreliable. Randomly, a page will take really long to load or even fail to load, but a reload can succeed almost immediately. Now, by chance i started playing with OpenVPN over UDP on top of the 3G connection, and OMG suddenly everything's extremely fast !Same www.graphic-pc.com now shoots at 100-200kB/s ! What's going on here ??? How come it is so much better with the VPN than without ?? And why does graphic-pc.com crawl when kernel.org flies ?Something to do with my tcp stack (or the server), or some buggy router in between ?? Notes: Setup is laptop running Ubuntu Lucid and a Huawei 3G dongle (So direct pppd connection). I can reproduce this pretty much any time during the day and I'm not moving, so it's clearly not cell environment or internet congestion. (although kernel.org without VPN sometimes does worse in the evening, 60kB or so - but still 500kB with VPN !) For 2) wireshark shows retransmitted packets, dup ack's, even out of order sometimes. I've tried playing with different /proc/sys/net/ipv4 parameters (tcp_rmem, window_scaling, tcp_congestion...) doesn't seem to make a difference. Update: Tried under windows 7 (no VPN) with some interesting results: tcp settings : default tcp_optimizer kernel.org : 10 kB/s 20 kB/s graphic-pc.com: 8 kB/s 70 kB/s ! tcp_optimizer turned on ctcp among other things. Have to check what os graphic-pc.com is running, my bet is linux's tcp_westwood and ms ctcp don't mix well here...

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  • ssh Prompts For Password After Account Unlocked - Despite ssh key?

    - by user1011471
    Here's what happened: I set up ssh key so that user could ssh from A to B without a password. I got user's password wrong in some other context too many times, and user's account got locked out. (IT uses Active Directory here) IT unlocked the account. Concurrent to the unlocking, a script was running, calling something like ssh user@B some-health-check-command every 5 seconds or so -- which seemed to work fine before I caused user to get locked out in step 2. IT reports user reliably gets locked out a short time after each unlock attempt. I thought the ssh key would allow ssh user@B some-command as long as the account is not locked. But it behaves as if, when user gets unlocked, B suddenly asks for a password and since my command repeatedly runs without supplying a password, the account gets locked out after 5 attempts. Account cannot be accessed at this time. Please contact your system administrator. My questions are... Is that what's happening? Or: what's happening? More importantly: How can I reconfigure things such that my script doesn't cause problems? Can I accomplish what I want without having to install Expect? (I don't know if I have permission to do so) Other notes: Not using ssh-agent currently. The ssh command is running on our Jenkins master, a linux box. A and B are Mac OS X. user is managed in Active Directory and normally can sign into all three machines. Other than these things and the ssh key I set up, everything else has the default configuration as far as I know.

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  • Passwortgeschützter Traffic-meter

    - by UncleBob
    Hallo erstmal, ich habe hier ein kleines Problem für das ich bis jetzt noch keine Lösung habe. Ich lebe in Bosnien und teile hier die Internetverbindung mit der Vermieterin, und wie es in Bosnien so ist haben wir keine Flatrate, sondern eine 15 Giga traffic limite. Das wäre eigentlich mehr als genug, wenn der Sohn der Vermieterin nicht immer überziehen würde, sodass die Rechnungen immer ziemlich teuer ausfallen. Ich habe ihm bereits ein Messprogramm installiert, aber das schaltet er offensichtlich aus sobald er in die Nähe seiner Limite kommt und behauptet dann die Limite nicht überzogen zu haben. Ich brauche also mindestens ein Messprogramm das Passwortgeschützt ist und/oder im Log Zeiten vermerkt wärend denen es nicht eingeschaltet war. Noch besser wäre ein Programm das ihm den Netzzugriff einfach abklemmt wenn er seinen Anteil überschreitet, also eine Mischung aus Trafic-meter und Parental Guard. Kann mir da jemand weiterhelfen? Gtranslated version Hi first, I have a small problem for which I yet have no solution. I live in Bosnia and share the Internet connection here with the owner, and how it is in Bosnia, we do not have a flat rate, but a 15 Giga traffic limite. That would actually would be more than enough, if the son of the landlady does not always cover so that the bills always turn out quite expensive. I have it already installed a monitoring program, but he apparently turns out as soon as he comes close to its limit and then claims not to have the limit excessive. I therefore need at least a measurement program that is password protected and / or in the log notes During low periods where it has not turned on. Even better would be a program that disconnects him from accessing the network if it simply exceeds its share, ie a mixture of Traffic parameters and Parental Guard. Can someone help me there?

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  • MySQL (local) owner and permissions

    - by Steve Nelson
    I asked this question on the MySQL forums and got no answer. I asked on StackOverflow and received a recommendation to try on ServerFault. So here I am. I recently successfully installed the 64 bit version of mysql-5.5.8 on a MacBook Pro in the /usr/local directory. To address a completely unrelated software (RVM actually) , I chown-ed my /usr/local directory to $USER, Which made MySQL very unhappy. It complained specifically about the /usr/local/mysql/data directory, so I chown-ed that directory to _mysql:wheel. Everything appears to work again, but it made me wonder if I would have been better off changing the owner of the whole /usr/local/mysql directory, not just the data subdirectory. Since I neglected to make notes of what owner the default installation runs under before rashly changing the owner of the /usr/local directory, could someone tell me what owner and permissions the /usr/local/mysql directory is by default if you don't inadvertently screw it up? :-/ In terms of permissions I'm guessing rwxr-xr-x would be appropriate (that's what the data directory currently has and it appears to be working fine), but reinforcement for that hunch would be appreciated. Thanks for any help. Steve

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  • F5 BIG_IP persistence iRules applied but not affecting selected member

    - by zoli
    I have a virtual server. I have 2 iRules (see below) assigned to it as resources. From the server log it looks like that the rules are running and they select the correct member from the pool after persisting the session (as far as I can tell based on my log messages), but the requests are ultimately directed to somewhere else. Here's how both rules look like: when HTTP_RESPONSE { set sessionId [HTTP::header X-SessionId] if {$sessionId ne ""} { persist add uie $sessionId 3600 log local0.debug "Session persisted: <$sessionId> to <[persist lookup uie $sessionId]>" } } when HTTP_REQUEST { set sessionId [findstr [HTTP::path] "/session/" 9 /] if {$sessionId ne ""} { persist uie $sessionId set persistValue [persist lookup uie $sessionId] log local0.debug "Found persistence key <$sessionId> : <$persistValue>" } } According to the log messages from the rules, the proper balancer members are selected. Note: the two rules can not conflict, they are looking for different things in the path. Those two things never appear in the same path. Notes about the server: * The default load balancing method is RR. * There is no persistence profile assigned to the virtual server. I'm wondering if this should be adequate to enable the persistence, or alternatively, do I have to combine the 2 rules and create a persistence profile with them for the virtual server? Or is there something else that I have missed?

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  • Firefox v15.0 about:newtab inaccessible via the back button

    - by Willem
    As of this morning I upgraded my Firefox to version 15.0. Or well, it did it for me. That's when my issue began. I've configured Firefox so that when I open up a new tab via Ctrl-T that it loads the about:newtab page which was released in version 14.x(?). I use this functionality extensively. I visit a page from the about:newtab page, read it, press the back button and pick another frequent website from the display I want to visit. However as of v15.0 the latter part is no longer functioning, after visiting a website from the about:newtab page the back button will not let me go back to the about:newtab page. Firefox acts as if that history entry was never there. I've tried searching the release notes to see if this change was intentional or a reported bug, but I have not found anything related so far. Is there anyway to (re)configure the new Firefox v15.0 to let me access the about:newtab page via a tab's history? EDIT: It appears that this only affects the initial 'visit' to the about:newtab page when opening a new tab, manually visiting about:newtab will register it as a history entry and allow it to be navigated to via the back and forward buttons. So I guess this changes my question to 'How can I make Firefox 15.0 treat the inital page from a newtab as a history entry'.

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  • Share one ssl certificate between multiples vhost

    - by Cesar
    I have a setup like this: <VirtualHost 192.168.1.104:80> ServerName domain1 DocumentRoot /home/domain/public_html ... </VirtualHost> <VirtualHost 192.168.1.104:80> ServerName domain2 DocumentRoot /home/domain2/public_html ... </VirtualHost> <VirtualHost 192.168.1.104:80> DocumentRoot /home/domain3/public_html ServerName domain3 ... </VirtualHost> <VirtualHost 192.168.1.104:443> ServerName domain3 SSLCertificateFile /usr/share/ssl/certs/certificate.crt SSLCertificateKeyFile /usr/share/ssl/private/private.key SSLCACertificateFile /usr/share/ssl/certs/bundle.cabundle ... </VirtualHost> I want to use domain3 certificate in the other domains, preferably without having to repeat all the <VirtualHost 192.168.1.104:443> config. In other words I want something like this: If the vhost has no explicit ssl config use cert for domain3 (/usr/share/ssl/certs/certificate.crt) Notes: 1.- I for sure will be setting more vhosts in the future 2.- I know (and don't care) of the ssl warnings the browser will show (hostname mismatch) If this possible? how?

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