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• Intermittent Disconnection of Client Computers from Domain Server

  - by dilip nagle

  The Background: I have Windows 2008 server Enterprise Version with 25 user cal licences. It has a domain and all users and a network shared HP printer in it. The Server has two network cards and both these cards as well as all client machines are on IP addressing scheme of 192.168.1.* with subnetmask 255.255.255.0. Of the two network cards viz. 192.168.1.231 and 192.168.1.233, only 192.168.1.231 is registered with DNS. In 192.168.1.233(i.e. 2nd network card) has default getway as 192.168.1.231 and dns address as 192.168.1.231. The Server has three hard disks with capacities as 500gb, 500gb and 1TB and are partitioned as (C,D,E), (F,G) and (K) with partition K having all user data into various Shared Folders. Each of these folders(On Partition K), are mapped onto each user's computer as per the right of access given to them. The Problem: The Server was installed about 6 months ago and till date not even once, the Server has Hung or has given any problem. All the Clients computers are able to run the web based software from their computers via ip address, e.g. http://192.168.1.231/webERP/default.aspx. However, occassionally, when any client computer tries to browse network mappings, it hangs. Again, there is no fixed pattern. This may happen after running smoothly for say 3 days. On each Client's machine, the network settings are as follows: IP Address: 192.168.1.* where * is 1,2,3 .... Sunnetmask: 255.255.255.0 defauly getway: 192.168.1.231 Which is a server card and DNS address. preferred DNS Server: 192.168.1.231 In Advanced Tab under Wins: LMHostLookup is Unticked and default is radio buttoned. Ideally, I would have loved to have Disabled NETBIOS over TCP/IP but some network printers do not get accessed if this option is enabled(ie. Radio Buttoned). Bacause Disabling Netbios will drastically reduce traffic of NETBIOS broadcasting to all the computers on the net to do naming resolution. On Server, I have WINs Running which I have Scavanged Records, verified Database Integrity etc, removed Tombstoned Records etc. The Critical Errors shown only once a day when the server is statred are 4224(WINS) and 12923 - Server Licencing failed to Update DNS Record. I fail to understand as why do client machines HANG when they try to browse mapped network shared folders on K Drive. Kindly Advice

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• Looking for a new backup solution to replace dying tape drive

  - by E3 Group

  We're running Windows Server 2003 SBS and another machine with Server 2003 Standard on it. The SBS server is about 7 years old running pretty much 24/7 - a HP server of some description. We have an Ultrium 448 cycling LTO2 400GB tapes daily and incrementally backing up approximately 100gb worth of data (20gb C:\ and system state, 40gb exchange, 40gb database for some crap marketing software) on BackupExec 10D. As of 5 months ago, the backups have been consistently failing with IO errors, bad reads and some write errors. When I say consistent, I mean every time and we haven't had a proper backup for the entire 5 months - So if the server explodes tomorrow, 7 years worth of data will just cease to exist. I've only just recently rejoined the company and am looking at rectifying the more concerning problems, so the first thing I did was try a backup to an USB2.0 external drive. It was excruciatingly slow. In fact it was so slow it took 40 hours and it still wasn't finished. I ended up cancelling it and reconfiguring the selections again to reduce file size. This, however, isn't a permanent solution. I concluded that the IO error was either from a faulty tape drive (which has a tape stuck in there right now and not coming out) or from a dying SCSI controller. Neither of them are good news and both are extremely expensive to fix. I'm operating on an extremely low budget so have been looking at outsourcing the backups. A company in Sydney (where I'm located) offer incremental online backups via a NAS. It costs almost double a new tape drive but offers monthly repayments which will let us get through times when cash flow is minimal. It seems like a sweet deal but it is still a little bit pricey. So I'm looking for a cheaper, yet reliable solution. Maybe some in-house NAS or something offsite? The idea is to avoid using tapes. Are there any recommendations for rectifying my current situation? Or are tapes the only way to go? I'm concerned that the server will die one day in the near future and I must be able to restore it to another server with different hardware.

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• extra vertical space within <li> in IE7

  - by powerboy

  The test case is in below. Or you can view it in jsbin: http://jsbin.com/uxagi. <!DOCTYPE html> <html> <head> <style type="text/css"> body {margin: 20px; } #main {border: 1px solid red;} img {float: left; height: 100px; padding: 0 10px 10px 0;} ul {margin: 0; padding: 0; list-style-type: none;} </style> </head> <body> <div id="main"> <ul> <li> <img src="http://upload.wikimedia.org/wikipedia/en/thumb/0/07/CranebyLinson1894.jpg/100px-CranebyLinson1894.jpg" /> <div class="content">"The Open Boat" is a short story by American author Stephen Crane. First published in 1897, it was based on Crane's experience of having survived a shipwreck off the coast of Florida earlier that year while traveling to Cuba to work as a newspaper correspondent. Crane was stranded at sea for thirty hours when his ship, the SS Commodore, sank after hitting a sandbar. He and three other men were forced to navigate their way to shore in a small boat; one of the men, an oiler named Billie Higgins, drowned. Crane subsequently adapted his report into narrative form, and the short story "The Open Boat" was published in Scribner's Magazine. The story is told from the point of view of an anonymous correspondent, Crane's fictional doppelgänger, and the action closely resembles the author's experiences after the shipwreck. A volume titled The Open Boat and Other Tales of Adventure was published in the United States in 1898. Praised for its innovation by contemporary critics, the story is considered an exemplary work of literary Naturalism. One of the most frequently discussed works in Crane's canon, it is notable for its use of imagery, irony, symbolism, and exploration of themes including survival, solidarity, and the conflict between man and nature. H. G. Wells considered "The Open Boat" to be "beyond all question, the crown of all [Crane's] work".</div> </li> </ul> </div> </body> </html> Note that in standards-compliant browsers and IE8, there is no vertical space between the red border and the text. But there is vertical space in IE7 (haven't tested in IE6).

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• Resizing Partitions on Live RHEL/cPanel Server

  - by Timothy R. Butler

  I've resized many partitions over the years on Linux, Windows and Mac OS X -- but always using a GUI. However, the time has come where the preset partition sizes my data center placed on my server aren't the right sizes and I need to resize a production server's disks. I could fiddle with it and probably do OK, but given that it is a production server, I wanted to get some advice about the right way to do this. I do have KVM over IP access, so if it is best to take the server offline and boot off a rescue partition, I can do that. root [/var/lib/mysql]# df -h Filesystem Size Used Avail Use% Mounted on /dev/sda2 9.9G 2.1G 7.3G 23% / tmpfs 7.8G 0 7.8G 0% /dev/shm /dev/sda1 99M 77M 18M 82% /boot /dev/sda8 884G 463G 376G 56% /home /dev/sda3 9.9G 8.0G 1.5G 85% /usr /dev/sda5 9.9G 9.1G 308M 97% /var /usr/tmpDSK 2.0G 38M 1.8G 3% /tmp As you can see /var and /usr are quite close to being full and I've actually had to symlink some logs on /usr to directories in /home to balance things out. What I would like to do is to add 6-10 GB each to /usr and /var, presumably taking the space from /home. As I think about how the disk is arranged, the best thought I've come up with is to reduce /home by 16 GB, say, and move /var to the spot freed up, then allocating /var's space to /usr. However, that would put /var at the far end of the disk, which seems less than idea, given that MySQL has all of its data on that partition. I'd love to take the space out of the closer end of /usr, but I assume that would take a very arduous (and perhaps risky) process of moving all of the data in /usr around. I seem to recall having such a process fail for me on a computer in the past. The other option might be to merge / and /usr since / is underutilized, though I'm not sure if that's a good idea. Do you have any suggestions both on the best reallocation plan and the commands to use to accomplish it? UPDATE: I should add -- here's the partition table. There's one unused partition, which, if memory serves, was the original tmp location before I created a tmp image: Name Flags Part Type FS Type [Label] Size (MB) ------------------------------------------------------------------------------ Unusable 1.05* sda1 Boot Primary Linux ext2 106.96* sda2 Primary Linux ext3 10737.42* sda3 Primary Linux ext3 10737.42* sda5 NC Logical Linux ext3 10738.47* sda6 NC Logical Linux swap / Solaris 2148.54* sda7 NC Logical Linux ext3 1074.80* sda8 NC Logical Linux ext3 964098.53*

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• NHibernate Mapping problem

  - by Bernard Larouche

  My database is being driven by my NHibernate mapping files. I have a Category class that looks like the following : public class Category { public Category() : this("") { } public Category(string name) { Name = name; SubCategories = new List<Category>(); Products = new HashSet<Product>(); } public virtual int ID { get; set; } public virtual string Name { get; set; } public virtual string Description { get; set; } public virtual Category Parent { get; set; } public virtual bool IsDefault { get; set; } public virtual ICollection<Category> SubCategories { get; set; } public virtual ICollection<Product> Products { get; set; } and here is my Mapping file : <property name="Name" column="Name" type="string" not-null="true"/> <property name="IsDefault" column="IsDefault" type="boolean" not-null="true" /> <property name="Description" column="Description" type="string" not-null="true" /> <many-to-one name="Parent" column="ParentID"></many-to-one> <bag name="SubCategories" inverse="true"> <key column="ParentID"></key> <one-to-many class="Category"/> </bag> <set name="Products" table="Categories_Products"> <key column="CategoryId"></key> <many-to-many column="ProductId" class="Product"></many-to-many> </set> when I try to create the database I get the following error : failed: The INSERT statement conflicted with the FOREIGN KEY SAME TABLE constraint "FK9AD976763BF05E2A". The conflict occurred in database "CoderForTraders", table "dbo.Categories", column 'CategoryId'. The statement has been terminated. I looked on the net for some answers but found none. Thanks for your help

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• mysql_connect() causes page to not display (WAMP)

  - by VOIDHand

  I currently have a website running MySQL and PHP in which this is all working. I've tried installing WAMPServer to be able to work on the site on my own computer, but I have been having issues trying to get the site to work correctly. HTML and PHP files work correctly (by going to http://localhost/index.php, etc.). But some of the pages display "This Webpage is not available" (in Chrome) or "Internet Explorer cannot display this webpage", which leads me to think there is an error is the server, as when the page doesn't exist, it typically dispays "Oops! This link appears to be broken" or IE's standard 404 page. Each page in my site has an include() call to set up an instance of a class to handle all database transactions. This class opens the connection to the database in its constructor. I have found commenting out the contents of the constructor will allow the page to load, although this understandably causes errors later in the page. This is the contents of the included file: class dbAccess { private $db; function __construct() { $this->db = mysql_connect("externalURL","user","password") or die ("Connection for database not found."); mysql_select_db("dbName", $this->db) or die ("Database not selected"); } ... } As a note for what's happening here. I'm attempting to use the database on my site, rather than the local machine. The actual values of externalURL, dbName, user, and password work when I plug them into my database software and the file fine of the site, so I don't think the issue is with those values themselves, but rather some setting with Apache or Wamp. The issue persists if I try a local database as well. This is an excerpt of my Apache error log for one attempt at logging into the site: [Wed Apr 14 15:32:54 2010] [notice] Parent: child process exited with status 255 -- Restarting. [Wed Apr 14 15:32:54 2010] [notice] Apache/2.2.11 (Win32) PHP/5.3.0 configured -- resuming normal operations [Wed Apr 14 15:32:54 2010] [notice] Server built: Dec 10 2008 00:10:06 [Wed Apr 14 15:32:54 2010] [notice] Parent: Created child process 1756 [Wed Apr 14 15:32:55 2010] [notice] Child 1756: Child process is running [Wed Apr 14 15:32:55 2010] [notice] Child 1756: Acquired the start mutex. [Wed Apr 14 15:32:55 2010] [notice] Child 1756: Starting 64 worker threads. [Wed Apr 14 15:32:55 2010] [notice] Child 1756: Starting thread to listen on port 80. For the first line, isLoggedIn (from the first line) is a method of the class above. Assuming that the connection works, this error should disappear. I've tried searching for solutions online, but haven't been able to find anything to help. If you need any further information to help solve this issue, feel free to ask for it. (One more note, I don't even have Skype on this computer, so I can't see it being an issue, as this conflict seems to be the default response for any Wamp issue.) [Edit: Removed entry from the error log as it was solved as an unrelated issue]

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• Custom built machine has much higher power consumption than expected

  - by foraidt

  I built a machine according to the specs of a computer magazine (c't, Germany). According to the magazine, the power consumption should be at around 10W. I don't want to go into the specifics of the hardware but rather ask for general advice on where to look: I updated the BIOS/UEFI version to the latest version, installed all the recommended drivers and unplugged all hardware that's not necessary to boot into Windows. All that was left is the power supply, mainboard, cpu, cpu cooler and one SSD drive. But still I measured a power consumption of 50W, which is 40W more than it should be. I tried booting Linux Mint from a USB stick, so I don't think it's some Windows-related problem.. Where else could I look? Update 1 I dind't want the question to get closed for being too localized but if more details are necessary, here they are: The system is a desktop PC. The power consumption is measured using a Brennenstuhl PM 231 device, which was tested also by c't and they found it quite accurate. The PSU is an Enermax ETL300AWT, the mainboard Intel DH87RL (Socket 1150) and the CPU Intel G3220 (Haswell). Update 2 There is no online version of the article*. The most details I found can be read on its project page (in German, though...) (*)You can pay for downloadable PDFs, however. English translation of that project page Update 3 Regarding the sceptics: It may sound ridiculous but apparently 10W idle consumption is possible with Intel's Haswell architecture. As a kind of proof, there's an additional Blog article explicitly listing the steps needed to reduce the idle consumption to 10W. Additional hardware: I measured the consumption without the HDD, and as expected the usage dropped by around 10W. I have no chassis fans and the CPU fan is a "Scythe Mugen 4" model. It runs at around 600rpm so I think it won't draw much. When stripping off all my extra components I should be at 10W. But I'm not getting anywhere near that. I would be happy to see "just" 15W in the stripped down version but currently I'm not getting below 50W no matter which component I remove. As I see it this cannot be explained by the PSU being less efficient at lower consumption. I also waited half an hour or so (also checked that no Windows updates were running in the background) and the consumption dind't drop by more than a few watts.

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• Hang while starting several daemons [solved]

  - by Adrian Lang

  I’m running a Debian Squeeze AMD64 server. Target runlevel after boot is runlevel 2, which includes rsyslogd, cron, sshd and some other stuff, but not dovecot, postfix, apache2, etc. The system fails to reach runlevel 2 with several symptoms: The system hangs at trying to start rsyslogd Booting into runlevel 1 works, then login from the console works Starting rsyslogd from runlevel 1 via /etc/init.d/rsyslog hangs Starting runlevel 2 with rsyslogd disabled works But then, logging in via console fails: I get the motd, and then nothing Starting sshd from runlevel 1 succeeds But then, I cannot login via ssh. Sometimes password ssh login gives me the motd and then nothing, sometimes not even this. Trying to offer a public key seems to annoy the sshd enough to not talk to me any further. When rebooting from runlevel 1, the server hangs at trying to stop apache2 (which is not running, so this really should be trivial). Trying to stop apache2 when logged in in runleve 1 does hang as well. And that’s just the stuff which fails all the time. RAM has been tested, dmesg shows no problems. I have no clue. Update: (shortened) output from rsyslogd -c4 -d called in runlevel 1 rsyslogd 4.6.4 startup, compatibility mode 4, module path '' caller requested object 'net', not found (iRet -3003) Requested to load module 'lmnet' loading module '/user/lib/rsyslog/lmnet.so' module of type 2 being loaded conf.c requested ref for 'lmnet', refcount 1 rsylog runtime initialized, version 4.6.4, current users 1 syslogd.c requested ref for 'lmnet', refcount now 2 I can kill rsyslogd with Strg+C, then. /var/log shows none of the configured log files, though. Update2: Thanks to @DerfK I still have no clue, but at least I narrowed down the problem. I’m now testing with /etc/init.d/apache2 stop (without an apache2 running, of course) which hangs as well and looks like an even more obvious failure. After some testing I found out that a file with one single line: /usr/sbin/apache2ctl configtest /dev/null 2&1 hangs, while the same line executed in an interactive shell works. I was not able to further reduce this line while, i. e. every single part, the stream redirections and the commando itself is necessary to reproduce the hang. @DerfK also pointed me to strace which gave a shallow hint about what kind of hang we have here: wait4(-1for the init scripts futex(0xsomepointer, FUTEX_WAIT_PRIVATE, 2, NULL for rsyslogd / apache2 binaries called by the init scripts The system was installed as a Debian Lenny by my hoster in autumn 2011, I upgraded it to Squeeze immediately and kept it up to date with Squeeze, which then used to be testing. There were no big changes, though. I guess I never tried to reboot the system before. Update3: I found the problem. My /etc/nsswitch.conf specified ldap as hosts lookup backup, which is not available at that time of the boot. Relying on dns solely fixes my boot problems.

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• jQuery multiple running totals

  - by Benjamin Randal

  0I am using jQuery to calculate a running total on multiple textboxes. Just found an awesome response on how to get that working a few days ago, but now I am running into another problem. When using one selector, the total for GetTotal is calculated perfectly. However, when I include the second selector, the totals begin to conflict with one another, and no longer calculate properly. I have been searching for a solution to this for some time now, does anyone have any ideas? Here is the selector i am currently using: function GetTotal(txtBox) { var total = 0; $('input:text').each(function(index, value) { total += parseInt($(value).val() || 0); }); $("#chkTotal").html(total); } My view uses these txt boxes <div class="editor-field"> @Html.TextBox("Field1", String.Empty, new {InputType = "text", id = "field1", onchange = "GetTotal(this)" }) </div> <div class="editor-field"> @Html.TextBox("Field2", String.Empty, new {InputType = "text", id = "field2", onchange = "GetTotal(this)" }) </div> <div> <h3>Total Checked</h3> </div> <div id="chkTotal"></div> Now I am trying to implement another selector which will total two additional editor fields... function GetTotal1(txtBox) { var total1 = 0; $('input:text').each(function (index, value) { total1 += parseInt($(value).val() || 0); }); $("#disTotal").html(total1); } View: <div class="editor-field"> @Html.TextBox("Field3", String.Empty, new {InputType = "text", id = "field3", onchange = "GetTotal1(this)" }) </div> <div class="editor-field"> @Html.TextBox("Field4", String.Empty, new {InputType = "text", id = "field4", onchange = "GetTotal1(this)" }) </div> <div> <h3>Total Distributed</h3> </div> <div id="disTotal"></div>

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• PC monitors shut off and system hangs while playing 3D games, but sound continues - Diagnosis?

  - by Jon Schneider

  Two days ago, I started running into a problem with my Windows PC: The PC's two connected monitors simultaneously lose signal and go black (as though the PC had been powered off). The keyboard's Numlock, Capslock, and Scroll Lights will become "stuck" in their current positions, as though the PC is hung. (For example, the Numlock light on the keyboard remains lit regardless of me pressing the Numlock key repeatedly.) No keyboard input does anything. (Ctrl+Alt+Del, Ctrl+Shift+Esc, Ctrl+C, etc.) However -- Whatever sound/music the PC was playing continues to play, and the PC's fans continue running, so the PC hasn't powered itself off or rebooted itself. Opening up the case, the graphics card is pretty hot to the touch. I had this happen 3 times in one evening. In all cases, I was playing a game with 3D graphics when the problem occurred (Torchlight, Minecraft, Magic: The Gathering 2012, Avadon: The Black Fortress demo). I have yet to have the problem happen when I'm not playing a game. This system has been running stable for about 2.5 years prior to this. I didn't make any changes to the system prior to the problem starting to occur. System specs: OS: Windows 7 64-bit Processor: Intel Core 2 Duo E7200 Wolfdale 2.53GHz Video Card: XFX GeForce 9800 GT 512 MB Motherboard: Foxconn P45A-S LGA 775 Intel ATX RAM: Corsair 4 GB (2x 2GB) DDR2-800 (PC2 6400) Full specs: New PC 2008 Troubleshooting tried so far (the problem occurred again after taking each of these steps, one at a time): Updated the video drivers with the latest drivers from NVidia's site. Opened up the case and cleaned out the video card and processor fans (both were pretty dirty). Installed and ran temperature monitor software. The processor idles at about 50 degrees C, and goes up to about 63 degrees C while playing a game (seems on the warm side, but not excessively so?). The software wasn't able to report the temperature of the GPU -- not sure this particular GPU supports software temperature readout? My initial diagnosis is that maybe the GPU is on its last legs (given that it seems to be running pretty hot, and the problem only occurs while playing 3D games). Does this seem likely? Or is it likely that this problem is caused by the processor, RAM, or motherboard? Or could this be a software issue of some kind? Thanks for any advice!

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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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• Generating/managing config files for hosted application

  - by mfinni

  I asked a question about config management, and haven't seen a reply. It's possible my question was too vague, so let's get down to brass tacks. Here's the process we follow when onboarding a new customer instance into our hosted application : how would you manage this? I'm leaning towards a Perl script to populate templates to generate shell scripts, config files, XML config files, etc. Looking briefly at CFengine and Chef, it seems like they're not going to reduce the amount of work, because I'd still have to manually specify all of the changes/edits within the tool. Doesn't seem to be much of a gain over touching the config files directly. We add a stanza to the main config file for the core (3rd-party) application. This stanza has values that defines the instance (customer) name the TCP listener port for this instance (not one currently used) the DB2 database name (serial numeric identifier, already exists, they get prestaged for us by the DBAs) three sub-config files, by name - they need to be created from 3 templates and be named after the instance The sub-config files define: The filepath for the DB2 volumes The filepath for the storage of objects The filepath for just one of the DB2 volumes (yes, redundant to the first item. We run some application commands, start the instance We do some LDAP thingies (make an OU for the instance, etc.) We add a stanza to the config file for our security listener that acts as a passthrough to LDAP instance name LDAP OU TCP port for instance DB2 database name We restart the security listener (off-hours), change the main config file from item 1, stop and restart the instance. It is now authenticating via LDAP. We add the stop and start commands for this instance to the HA failover scripts. We import an XML config file into the instance that defines things for the actual application for the customer - user names, groups, permissions, and business rules. The XML is supplied by the implementation team. Now, we configure the dataloading application We add a stanza to the existing top-level config file that points to a new customer-level config file. The new customer-level config file includes: the instance (customer) name the DB2 database name arbitrary number of sub-config files, by name Each of the sub-config files defines: filepaths to the directories for ingestion, feedback, backup, and failure those filepaths have a common path to a customer-specific folder, and then one folder for each sub-config file Each of those filepaths needs to be created We need to add this customer instance to our monitoring scripts that confirm the proper processes are running and can be logged into. Of course, those monitoring config files include the instance name, the TCP port, the DB2 database name, etc. There's also a reporting application that needs to be configured for the new instance. You get the idea. There's also XML that is loaded into WAS by the middleware team. We give them the values for them to plug into the XML - they could very easily hand us the template and we could give them back completed XML.

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• Laptop turning off when fan is spinning hard

  - by Ieyasu Sawada

  My laptop seems to have reach its lifespan. Its an Acer laptop so I guess that's normal. But I'd like to hear your opinions about this. My laptop is only 2 years old. I haven't heard the fan spinning like crazy not until these past 5 months. What I did: Hoping that its just the applications that I have installed that's consume the life of my laptop from the background. I used PC Decrapifier to uninstall some of the things that I don't need. Reformatted my computer but only the primary partition since my files are on the second partition. Bought a cooling pad. None of these works. I noticed the fan spins so hard when: I have a lot of browser tabs open. Full screen mode a flash video that I'm viewing online. Using VLC to watch encoded videos. There's this thing called minicoder http://sourceforge.net/projects/minicoder/ to reduce the size of videos without affecting much of the quality. I'm suspecting that it needs additional software(to make life easier for the hardware) even though the video is working fine in VLC. VLC consumes about 300,000K and above(as seen from task manager) while watching videos (.mkv). The problem: Laptop suddenly turns off when the fan spins like crazy for about 20 minutes. I'm always checking to see if its already too hot(using my fingers to feel the side of the laptop) but its not so I continued watching and then poof! computer turns off. Laptop won't turn on immediately when I turn it on after it turning off by itself. The light for the power goes on but its turns off immediately. I have to wait for about 10-20 seconds before it boots up without problems. So how do I go about this? Is this just normal for Acer laptops after about 2 years of heavy usage (8-12 hours a day)? My usage is heavy but I normally only have a text-editor(sublime) and browser open(chrome). Here's what I got from HW monitor:

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• Hang while starting several daemons

  - by Adrian Lang

  I’m running a Debian Squeeze AMD64 server. Target runlevel after boot is runlevel 2, which includes rsyslogd, cron, sshd and some other stuff, but not dovecot, postfix, apache2, etc. The system fails to reach runlevel 2 with several symptoms: The system hangs at trying to start rsyslogd Booting into runlevel 1 works, then login from the console works Starting rsyslogd from runlevel 1 via /etc/init.d/rsyslog hangs Starting runlevel 2 with rsyslogd disabled works But then, logging in via console fails: I get the motd, and then nothing Starting sshd from runlevel 1 succeeds But then, I cannot login via ssh. Sometimes password ssh login gives me the motd and then nothing, sometimes not even this. Trying to offer a public key seems to annoy the sshd enough to not talk to me any further. When rebooting from runlevel 1, the server hangs at trying to stop apache2 (which is not running, so this really should be trivial). Trying to stop apache2 when logged in in runleve 1 does hang as well. And that’s just the stuff which fails all the time. RAM has been tested, dmesg shows no problems. I have no clue. Update: (shortened) output from rsyslogd -c4 -d called in runlevel 1 rsyslogd 4.6.4 startup, compatibility mode 4, module path '' caller requested object 'net', not found (iRet -3003) Requested to load module 'lmnet' loading module '/user/lib/rsyslog/lmnet.so' module of type 2 being loaded conf.c requested ref for 'lmnet', refcount 1 rsylog runtime initialized, version 4.6.4, current users 1 syslogd.c requested ref for 'lmnet', refcount now 2 I can kill rsyslogd with Strg+C, then. /var/log shows none of the configured log files, though. Update2: Thanks to @DerfK I still have no clue, but at least I narrowed down the problem. I’m now testing with /etc/init.d/apache2 stop (without an apache2 running, of course) which hangs as well and looks like an even more obvious failure. After some testing I found out that a file with one single line: /usr/sbin/apache2ctl configtest /dev/null 2&1 hangs, while the same line executed in an interactive shell works. I was not able to further reduce this line while, i. e. every single part, the stream redirections and the commando itself is necessary to reproduce the hang. @DerfK also pointed me to strace which gave a shallow hint about what kind of hang we have here: wait4(-1for the init scripts futex(0xsomepointer, FUTEX_WAIT_PRIVATE, 2, NULL for rsyslogd / apache2 binaries called by the init scripts The system was installed as a Debian Lenny by my hoster in autumn 2011, I upgraded it to Squeeze immediately and kept it up to date with Squeeze, which then used to be testing. There were no big changes, though. I guess I never tried to reboot the system before.

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• deleted gen folder, eclipse isn't generating it now :(

  - by LuxuryMode

  I accidentally deleted my gen folder and now, predictably, my resources are all messed up. I just created a gen folder myself and tried to project clean - that didn't work. Tried right-clicking project and going to android tools fix project properties - didn't work. Tried unchecking build automatically...didn't work. cleaned, closed project, closed eclipse, restarted, etc, etc. Nothing is working and I keep seeing this error: gen already exists but is not a source folder. Convert to a source folder or rename it. EDIT - OK was able to generate R.java, but now I'm getting crazy stuff in the console: [2011-06-14 17:06:11 - fastapp] Conversion to Dalvik format failed with error 1 [2011-06-14 17:06:42 - fastapp] Dx trouble processing "java/awt/font/NumericShaper.class": Ill-advised or mistaken usage of a core class (java.* or javax.*) when not building a core library. This is often due to inadvertently including a core library file in your application's project, when using an IDE (such as Eclipse). If you are sure you're not intentionally defining a core class, then this is the most likely explanation of what's going on. However, you might actually be trying to define a class in a core namespace, the source of which you may have taken, for example, from a non-Android virtual machine project. This will most assuredly not work. At a minimum, it jeopardizes the compatibility of your app with future versions of the platform. It is also often of questionable legality. If you really intend to build a core library -- which is only appropriate as part of creating a full virtual machine distribution, as opposed to compiling an application -- then use the "--core-library" option to suppress this error message. If you go ahead and use "--core-library" but are in fact building an application, then be forewarned that your application will still fail to build or run, at some point. Please be prepared for angry customers who find, for example, that your application ceases to function once they upgrade their operating system. You will be to blame for this problem. If you are legitimately using some code that happens to be in a core package, then the easiest safe alternative you have is to repackage that code. That is, move the classes in question into your own package namespace. This means that they will never be in conflict with core system classes. JarJar is a tool that may help you in this endeavor. If you find that you cannot do this, then that is an indication that the path you are on will ultimately lead to pain, suffering, grief, and lamentation. [2011-06-14 17:06:42 - fastapp] Dx 1 error; aborting [2011-06-14 17:06:42 - fastapp] Conversion to Dalvik format failed with error 1 And eclipse can't resolve the import of my resources import com.me.fastapp.R;

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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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• unable to install anything on ubuntu 9.10 with aptitude

  - by Srisa

  Hello, Earlier i could install software by using the 'sudo aptitude install ' command. Today when i tried to install rkhunter i am getting errors. It is not just rkhunter, i am not able to install anything. Here is the text output: user@server:~$ sudo aptitude install rkhunter ................ ................ 20% [3 rkhunter 947/271kB 0%] Get:4 http://archive.ubuntu.com karmic/universe unhide 20080519-4 [832kB] 40% [4 unhide 2955/832kB 0%] 100% [Working] Fetched 1394kB in 1s (825kB/s) Preconfiguring packages ... Selecting previously deselected package lsof. (Reading database ... ................ (Reading database ... 95% (Reading database ... 100% (Reading database ... 20076 files and directories currently installed.) Unpacking lsof (from .../lsof_4.81.dfsg.1-1_amd64.deb) ... dpkg: error processing /var/cache/apt/archives/lsof_4.81.dfsg.1-1_amd64.deb (--unpack): unable to create `/usr/bin/lsof.dpkg-new' (while processing `./usr/bin/lsof'): Permission denied dpkg-deb: subprocess paste killed by signal (Broken pipe) Selecting previously deselected package libmd5-perl. Unpacking libmd5-perl (from .../libmd5-perl_2.03-1_all.deb) ... Selecting previously deselected package rkhunter. Unpacking rkhunter (from .../rkhunter_1.3.4-5_all.deb) ... dpkg: error processing /var/cache/apt/archives/rkhunter_1.3.4-5_all.deb (--unpack): unable to create `/usr/bin/rkhunter.dpkg-new' (while processing `./usr/bin/rkhunter'): Permission denied dpkg-deb: subprocess paste killed by signal (Broken pipe) Selecting previously deselected package unhide. Unpacking unhide (from .../unhide_20080519-4_amd64.deb) ... dpkg: error processing /var/cache/apt/archives/unhide_20080519-4_amd64.deb (--unpack): unable to create `/usr/sbin/unhide-posix.dpkg-new' (while processing `./usr/sbin/unhide-posix'): Permission denied dpkg-deb: subprocess paste killed by signal (Broken pipe) Processing triggers for man-db ... Errors were encountered while processing: /var/cache/apt/archives/lsof_4.81.dfsg.1-1_amd64.deb /var/cache/apt/archives/rkhunter_1.3.4-5_all.deb /var/cache/apt/archives/unhide_20080519-4_amd64.deb E: Sub-process /usr/bin/dpkg returned an error code (1) A package failed to install. Trying to recover: Setting up libmd5-perl (2.03-1) ... Building dependency tree... 0% Building dependency tree... 50% Building dependency tree... 50% Building dependency tree Reading state information... 0% ........... .................... I have removed some lines to reduce the text. All the error messages are in here though. My experience with linux is limited and i am not sure what the problem is or how it is to be resolved. Thanks.

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• debian packages version convention

  - by JackWu

  I'm using debian/Ubuntu, and get confused about versions of packages. When using dpkg -l command, I get: ii vim 2:7.3.429-2ubuntu2.1 Vi IMproved - enhanced vi editor ii vim-common 2:7.3.429-2ubuntu2.1 Vi IMproved - Common files ii vim-runtime 2:7.3.429-2ubuntu2.1 Vi IMproved - Runtime files ii vim-tiny 2:7.3.429-2ubuntu2.1 Vi IMproved - enhanced vi editor - compact version ii virt-what 1.11-1 detect if we are running in a virtual machine ii w3m 0.5.3-5ubuntu1 WWW browsable pager with excellent tables/frames support ii watershed 6 reduce superfluous executions of idempotent command ii wget 1.13.4-2ubuntu1 retrieves files from the web ii whiptail 0.52.11-2ubuntu10 Displays user-friendly dialog boxes from shell scripts ii whoopsie 0.1.33 Ubuntu crash database submission daemon ii wimlib9 1.5.0-1~webupd8~precise Library to extract, create, modify, and mount WIM files ii wimtools 1.5.0-1~webupd8~precise Tools to extract, create, modify, and mount WIM files ii wireless-tools 30~pre9-5ubuntu2 Tools for manipulating Linux Wireless Extensions ii wpasupplicant 0.7.3-6ubuntu2.1 client support for WPA and WPA2 (IEEE 802.11i) ii x11-common 1:7.6+12ubuntu2 X Window System (X.Org) infrastructure ii x11-utils 7.6+4ubuntu0.1 X11 utilities ii xauth 1:1.0.6-1 X authentication utility ii xbitmaps 1.1.1-1 Base X bitmaps ii xclip 0.12-1 command line interface to X selections ii xfonts-encodings 1:1.0.4-1ubuntu1 Encodings for X.Org fonts ii xfonts-utils 1:7.6+1 X Window System font utility programs ii xkb-data 2.5-1ubuntu1.3 X Keyboard Extension (XKB) configuration data ii xml-core 0.13 XML infrastructure and XML catalog file support rc xpdf 3.02-21build1 Portable Document Format (PDF) reader ii xterm 271-1ubuntu2.1 X terminal emulator ii xz-lzma 5.1.1alpha+20110809-3 XZ-format compression utilities - compatibility commands ii xz-utils 5.1.1alpha+20110809-3 XZ-format compression utilities ii zabbix-agent 1:1.8.11-1 network monitoring solution - agent ii zlib1g 1:1.2.3.4.dfsg-3ubuntu4 compression library - runtime ii zlib1g-dev 1:1.2.3.4.dfsg-3ubuntu4 compression library - development ii zsh 4.3.17-1ubuntu1 shell with lots of features The third column is version, but it all messed up in a way I can't understand. I mean, different packages use total different naming specification. Here are the major questions: Why there are ubuntu in them, and there are not? what all the special -~+ mean? alpha and build, dfsg, what are they? Can I just use them casually? vim and other packages have 2:, what does that mean? How version comparison works, since they can be so different? Can anyone please explain this to me? Or where can I find an official document? Thanks in advance.

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• Adaptec 5805 not recognized after reboot

  - by Rakedko ShotGuns

  After rebooting the system, the controller is not recognized. It only works if the computer is shut down and turned off. I have recently updated the firmware to "Adaptec RAID 5805 Firmware Build 18948". How do I fix the problem? Configuration summary --------------------------- 1. Server name.....................raid_test Adaptec Storage Manager agent...7.31.00 (18856) Adaptec Storage Manager console.7.31.00 (18856) Number of controllers...........1 Operating system................Windows Configuration information for controller 1 ------------------------------------------------------- Type............................Controller Model...........................Adaptec 5805 Controller number...............1 Physical slot...................2 Installed memory size...........512 MB Serial number...................8C4510C6C9E Boot ROM........................5.2-0 (18948) Firmware........................5.2-0 (18948) Device driver...................5.2-0 (16119) Controller status...............Optimal Battery status..................Charging Battery temperature.............Normal Battery charge amount (%).......37 Estimated charge remaining......0 days, 16 hours, 12 minutes Background consistency check....Disabled Copy back.......................Disabled Controller temperature..........Normal (40C / 104F) Default logical drive task priority High Performance mode................Dynamic Number of logical devices.......1 Number of hot-spare drives......0 Number of ready drives..........0 Number of drive(s) assigned to MaxCache cache0 Maximum drives allowed for MaxCache cache8 MaxCache Read Cache Pool Size...0 GB NCQ status......................Enabled Stay awake status...............Disabled Internal drive spinup limit.....0 External drive spinup limit.....0 Phy 0...........................No device attached Phy 1...........................No device attached Phy 2...........................No device attached Phy 3...........................1.50 Gb/s Phy 4...........................No device attached Phy 5...........................No device attached Phy 6...........................No device attached Phy 7...........................No device attached Statistics version..............2.0 SSD Cache size..................0 Pages on fetch list.............0 Fetch list candidates...........0 Candidate replacements..........0 69319...........................31293 Logical device..................0 Logical device name............. RAID level......................Simple volume Data space......................148,916 GB Date created....................09/19/2012 Interface type..................Serial ATA State...........................Optimal Read-cache mode.................Enabled Preferred MaxCache read cache settingEnabled Actual MaxCache read cache setting Disabled Write-cache mode................Enabled (write-back) Write-cache setting.............Enabled (write-back) Partitioned.....................Yes Protected by hot spare..........No Bootable........................Yes Bad stripes.....................No Power Status....................Disabled Power State.....................Active Reduce RPM timer................Never Power off timer.................Never Verify timer....................Never Segment 0.......................Present: controller 1, connector 0, device 0, S/N 9RX3KZMT Overall host IOs................99075 Overall MB......................4411203 DRAM cache hits.................71929 SSD cache hits..................0 Uncached IOs....................29239 Overall disk failures...........0 DRAM cache full hits............71929 DRAM cache fetch / flush wait...0 DRAM cache hybrid reads.........3476 DRAM cache flushes..............-- Read hits.......................0 Write hits......................0 Valid Pages.....................0 Updates on writes...............0 Invalidations by large writes...0 Invalidations by R/W balance....0 Invalidations by replacement....0 Invalidations by other..........0 Page Fetches....................0 0...............................0 73..............................10822 8...............................3 46138...........................4916 27184...........................15226 20875...........................323 16982...........................1771 1563............................5317 1948............................2969 Serial attached SCSI ----------------------- Type............................Disk drive Vendor..........................Unknown Model...........................ST3160815AS Serial Number...................9RX3KZMT Firmware level..................3.AAD Reported channel................0 Reported SCSI device ID.........0 Interface type..................Serial ATA Size............................149,05 GB Negotiated transfer speed.......1.50 Gb/s State...........................Optimal S.M.A.R.T. error................No Write-cache mode................Write back Hardware errors.................0 Medium errors...................0 Parity errors...................0 Link failures...................0 Aborted commands................0 S.M.A.R.T. warnings.............0 Solid-state disk (non-spinning).false MaxCache cache capable..........false MaxCache cache assigned.........false NCQ status......................Enabled Phy 0...........................1.50 Gb/s Power State.....................Full rpm Supported power states..........Full rpm, Powered off 0x01............................113 0x03............................98 0x04............................99 0x05............................100 0x07............................83 0x09............................75 0x0A............................100 0x0C............................99 0xBB............................100 0xBD............................100 0xBE............................61 0xC2............................39 0xC3............................69 0xC5............................100 0xC6............................100 0xC7............................200 0xC8............................100 0xCA............................100 Aborted commands................0 Link failures...................0 Medium errors...................0 Parity errors...................0 Hardware errors.................0 SMART errors....................0 End of the configuration information for controller 1

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• How to create 2 different scripts for 2 browsers (IE+all the rest)

  - by Barnabas Nagy

  I'm trying to solve an IE CSS issue by using conditional tags. My jQuery that does the job of tabbed box effect calls an id that is inside the conditional tags. I've given new ids to IE so on IE the jQuery is not working. I tried to duplicate the script with the new id in one of the script but the 2 scripts seems to get in conflict. My jQuery (in between the head tags) is (for all all browsers except IE): <script> var currentTab = 0; // Set to a different number to start on a different tab. function openTab(clickedTab) { var thisTab = $(".tabbed-box .tabs a").index(clickedTab); $(".tabbed-box .tabs li a").removeClass("active"); $(".tabbed-box .tabs li a:eq("+thisTab+")").addClass("active"); $(".tabbed-box .tabbed-content").hide(); $(".tabbed-box .tabbed-content:eq("+thisTab+")").show(); currentTab = thisTab; } $(document).ready(function() { $(".tabs li:eq(0) a").css("border-left", "none"); $(".tabbed-box .tabs li a").click(function() { openTab($(this)); return false; }); $(".tabbed-box .tabs li a:eq("+currentTab+")").click() }); </script> And I would need this for IE: <script> var currentTab = 0; // Set to a different number to start on a different tab. function openTab(clickedTab) { var thisTab = $(".tabbed-box .tabs a").index(clickedTab); $(".tabbed-box ie-.tabs li a").removeClass("active"); $(".tabbed-box ie-.tabs li a:eq("+thisTab+")").addClass("active"); $(".tabbed-box .tabbed-content").hide(); $(".tabbed-box .tabbed-content:eq("+thisTab+")").show(); currentTab = thisTab; } $(document).ready(function() { $(".ie-tabs li:eq(0) a").css("border-left", "none"); $(".tabbed-box .ie-tabs li a").click(function() { openTab($(this)); return false; }); $(".tabbed-box .ie-tabs li a:eq("+currentTab+")").click() }); </script> Having the 2 scripts in the head conflicts with each other. Maybe there is a way to combine them?

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• File copying software to do this kind of work... in Windows 7 32 bit

  - by Senthil

  I need a software (Windows 7 32bit) to help me in this process: I have my documents, music, video clips, movies, pictures in my hard disk. These will not be scattered around the system. But will be inside C:\Senthil\ At the end of every week, I want to plug in an external hard disk and run a software that should make sure whatever is inside C:\Senthil\ is also present in the external disk. Files deleted from C:\Senthil\ should be deleted there, and new files should be copied etc... at the end of the process, every bit inside the source folder in my internal disk should be inside my external disk. A couple of important requirements and points: I do NOT need multiple versions or historic versions. I don't need the previous versions of my files. I only want the latest copy to be present in my "backup". Incremental backup makes sense. If files were not touched since the last backup, it need not copy. The size of my folder will run into GBs and in a year or two will go into TBs. But I will make sure the size of the external HDD is equal to or bigger than my source folder. I do not want it to run automatically because when I accidentally delete a file in my source, it will delete the one in the backup (I know this is why we have versioning facilities). I just want to be able to run it manually so that I am in control of when the backup is made and what is backed up and I should be able to pick something from the backup and restore it to the source folder in the above situation. Is there any software that will let me do exactly this? I don't want any other "smart" facility of the software to interfere with this process. I know what I want and the software can keep its smartness to itself :D The main reason I am asking this question is, I am a software developer and I can write this software myself. But I am a little constrained by time at the moment and I want to know if there is an existing program that can do this. Kindly don't worry about earthquakes or fire or snowstorms and bring up the "in case of a natural disaster your backup will also be in the damage zone and will be lost" argument because: I will have bigger things to worry about than my holiday memories. I don't think I will digitally store any life-ruining documents. This backup is only to avoid the inconvenience of obtaining a new copy of stuff that I have. Not to protect them against the end of the world. I am more worried about power surges in my area frying my system, hard disk failure, children who merrily hit Delete or teens who hit Shift + Delete or myself getting a little careless at times! In short: Is there a file/folder syncing software that listens to what I say and doesn't try to act smart? Please forgive me if I sound arrogant :)

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• Can't Move Windows to 2nd Monitor without Left Mouse and Cntl Key

  - by John C

  I have 2 very frustrating problems that maybe someone can help me with: I have 2 monitors (different sizes and resolutions) setup with the "Extended" monitor Win7 setup. My problem is this = I can not "move" a window from my Primary Monitor (larger and higher resolution on right side in front of me) to my Secondary 2nd monitor (smaller and lower resolution) with just selecting the title bar with the left mouse button and dragging it to the left. Windows 7 "snaps" it back to the left Primary Monitor when the window is physically in the 2nd window area as I'm holding the left mouse button. I can prevent this problem - by holding down the Cntl Key with the Left Mouse button, but this is extremely annoying to me. Also I typically "lose" focus if I try typing input on the 2nd monitor. Typing is erratic with regard to keystroke accuracy from my keyboard translated into input on the 2nd screen. No problem with typing input on the primary left monitor. I find this extremely annoying in Windows 7 and turning off the "snap" feature via the Control panel does NOT work for me. Win7 stubbornly refuses to move my selected window to my 2nd monitor without me "forcing" Win7 to do this with the Cntrl Key. Please tell me this is not a Win7 feature. Also on my system - Windows Key + Shift, Left arrow Key (pressed together) or the same combo with The Right arrow Key - don't do anything whatsoever. Widows Key with "+" however does maximize current window across both monitors, and I can "restore" it with Windows Key and "-" back to original monitor and size. I have tried various solutions including changing the resolutions of one or both of my monitors and sometimes "temporarily helps" but reverts back to the problem. Also if I swap the logical (not physical) layout so that I tell Win7 the monitors are setup in a reserved situation (Large monitor on the left, and small on the right) - this also sometimes helps for awhile - and is very strange and awkward to work with "backwards". But all of these solutions stop working. The only solution that consistently works for "moving" the screens is to hold the Cntrl Key down as I'm moving window with the left mouse selected on the title bar. Even that however, doesn't prevent the loss of typing focus for me on the 2nd monitor - while at the same time the typing on the 1st monitor is fine. Any help on moving my window screens from one monitor on my 2nd monitor without having to press the Cntrl key while holding down my left mouse button with be appreciated. Also any help on gaining typing "focus" into my 2nd screen with be helpful too. Thanks - John

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• Graphics card artifacting

  - by White Phoenix

  This is my current build: EVGA X58 (first generation) motherboard Intel i7 965 @ stock clocks 3x 2GB DDR3-1600 Corsair RAM at stock timings and voltages Corsair AX750 80 Plus Gold PSU 1 Optical Drive 1 Seagate 7200.10 500 GB drive 2x Western Digital Caviar Black 1 TB drives OCZ Vertex 1 60 GB EVGA GTX 460 Antec 1200 case HT-Omega Striker 7.1 Sound Card Windows 7 32-bit Professional (PAE Enabled) My graphics card started artifacting while I was playing a game. It artifacted, the display blinked, then I got an NVIDIA driver has crashed and recovered message. Kept going, more artifacts, another crash, but this time my display blanked out and I couldn't do anything. Restarted my computer - artifacting is in the BIOS - got to Windows 7 but it BSOD'd before I could even log in. I restarted the computer again - artifacts cleared themselves out and I managed to get to Win7, but it soon started blinking in and out and artifacting again. Checked the card temps and they're well within range. (50 idle, 70 full load) The ambient temperature here is about 80-85F with high humidity. Tried Safe Mode and it still froze up/BSOD'd. Already tried the following to fix this problem: - Reseat the graphics card and swapped in a different slot. - Removed cover on card and sprayed with compressed air to clean it out. - Swapped around memory and/or went with only using one stick at a time. - Underclocked card I called EVGA Tech Support and they said that the voltage on the 12V rail of my Corsair AX750 PSU was on the high end of the "acceptable" range (12.4V, highest within acceptable range is 12.6V - optimal is obviously 12V). They gave me an RMA number anyway, but I want to get a second opinion from you all before I send this thing off, as shipping from where I live to EVGA is kind of pricey. This PSU is only 6 months old. So that I don't have to play RMA tag, which case would be most likely? I'm strapped for cash at the moment so I want to reduce the amount of RMAs I have to do since shipping is expensive here. Is there any surefire way to test to see if it's really the graphics card or the PSU? I tried unplugging any devices that were connected to the 12V rail (except for my SSD and graphics card) as I do have 3 mechanical hard drives, but the voltage for that rail didn't drop (it remained at 12.4V). I'm fairly sure it isn't the drivers since I'm getting the artifacting at the BIOS too. Right now I'm back in Windows 7 but I don't know for how long until it messes up again. Any ideas?

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• extra white line under li items that have no border

  - by isabel018

  I have a problem with extra white lines showing up under my list items. It's not a border as I haven't set any borders, except the one under My Account, it's just to show that the white line is not a border. The one under it is -- a 4px border the same color as the background. This problem occurred after I had resolved a conflict between my Nivo Slider and the Woocommerce plugin on my WP site. I got both of them to work together, but then this other issue with the list cropped up. Any ideas as to what caused this and how to fix it? Here's my CSS if that helps: #header #navigation ul.nav > li.current_page_item > a { color: #D4145A;} #header #navigation ul.nav > li:hover a { border-width: 0px 0px 4px; border-style: none none solid; border-color: -moz-use-text-color -moz-use-text-color rgb(212, 20, 90); -moz-border-top-colors: none; -moz-border-right-colors: none; -moz-border-bottom-colors: none; -moz-border-left-colors: none; border-image: none; background: none repeat scroll 0% 0% rgb(212, 20, 90);} and the HTML for it too: <nav id="navigation" class="col-full parent" role="navigation"> <ul id="main-nav" class="nav fl parent"> <li class="page_item"></li> <li class="page_item page-item-11"></li> <li class="page_item page-item-12"></li> <li class="page_item page-item-13 parent"></li> <li class="page_item page-item-15 current_page_item parent"> <a href=""></a> <ul class="children"></ul></li> </ul> </nav> Help please! I'm at my wits' end! Thanks!

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• Echo 404 directly from nginx to improve performance

  - by user64204

  I am in charge of production servers serving static content for a website. Those servers are constantly being crawled by bots looking for potential exploits (which isn't that much of a problem security-wise because no application can be reached behind the web server) but generates thousands of 404 per day, sometimes per hour. I am looking into ways of blocking those requests but it's tricky (you want to make sure you don't block legitimate traffic and these bots are becoming more and more clever at looking like they're legit) and is going to take me a while to find an acceptable solution. In the meantime I would like to reduce the performance impact of serving those 404 pages. Indeed we're using nginx which by default is configured to serve it's 404 page from the disk (This can be changed using the error_page directive but in the end the 404 will either have to be served from disk or from another external source (e.g. upstream application which would be worst)) which isn't ideal. I ran a test with ab on my local machine with a basic configuration: in one case I echo a message directly from nginx so the disk isn't touched at all, in the other case I hit a missing page and nginx serves its 404 from disk. server { # [...] the default nginx stuff location / { } location /this_page_exists { echo "this page was found"; } } Here are the test results (my laptop has Intel(R) Core(TM) i7-2670QM + SSD in case you're wondering why they are so high): $ ab -n 500000 -c 1000 http://localhost/this_page_exists Requests per second: 25609.16 [#/sec] (mean) $ ab -n 500000 -c 1000 http://localhost/this_page_doesnt_exists Requests per second: 22905.72 [#/sec] (mean) As you can see, returning a value with echo is 11% ((25609-22905)÷22905×100) faster than serving the 404 page from disk. Accordingly I would like to echo a simple 404 Page not Found string from nginx. I tried many things so far but they all failed, essentially the idea was this: location / { try_files $uri @not_found; } location @not_found { echo "404 - Page not found"; } The problem is that as soon as the echo directive is used, the http response code is set to 200. I tried changing that by doing error_page 200 = 400 but that breaks the configuration. How can I serve a 404 page directly from nginx? (without hacking the source which may be might next step)

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