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  • Can't Mount Phone, "according to mtab, /dev/sdb1 is already mounted on /"

    - by RPG Master
    My myTouch Slide wasn't mounting, so I decided to open Disk Utility. My phone shows up but when I click "Mount" it gives me this error: Error mounting: mount exited with exit code 1: helper failed with: mount: according to mtab, /dev/sdb1 is already mounted on / mount failed Here's my mtab: /dev/sdb1 / ext4 rw,errors=remount-ro,commit=0 0 0 proc /proc proc rw,noexec,nosuid,nodev 0 0 none /sys sysfs rw,noexec,nosuid,nodev 0 0 fusectl /sys/fs/fuse/connections fusectl rw 0 0 none /sys/kernel/debug debugfs rw 0 0 none /sys/kernel/security securityfs rw 0 0 none /dev devtmpfs rw,mode=0755 0 0 none /dev/pts devpts rw,noexec,nosuid,gid=5,mode=0620 0 0 none /dev/shm tmpfs rw,nosuid,nodev 0 0 none /var/run tmpfs rw,nosuid,mode=0755 0 0 none /var/lock tmpfs rw,noexec,nosuid,nodev 0 0 binfmt_misc /proc/sys/fs/binfmt_misc binfmt_misc rw,noexec,nosuid,nodev 0 0 gvfs-fuse-daemon /home/matthew/.gvfs fuse.gvfs-fuse-daemon rw,nosuid,nodev,user=matthew 0 0 /dev/sdg1 /media/Seagate\040GoFlex ext4 rw,nosuid,nodev,uhelper=udisks 0 0 EDIT: Here's my fstab: # /etc/fstab: static file system information. # # Use 'blkid -o value -s UUID' to print the universally unique identifier # for a device; this may be used with UUID= as a more robust way to name # devices that works even if disks are added and removed. See fstab(5). # # <file system> <mount point> <type> <options> <dump> <pass> proc /proc proc nodev,noexec,nosuid 0 0 /dev/sda1 / ext4 errors=remount-ro 0 1 # swap was on /dev/sda5 during installation UUID=3b0db205-2bdb-4c98-a506-6bdd3520d540 none swap sw 0 0

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  • Create 301 Redirection in Amazon Route 53 for Wildcard Subdomains

    - by Eric Yin
    My domain name hosted on Route 53 DNS. Amazon has a guide to do 301 redirection for www. To naked domain by point www. version to a S3 static website with 301 setted up. My question is, how can I have *.domain.com all have 301 redirec to naked domain name. I guess either: Some way to get all wildcard subdomains end up into one S3 bucket, how? Or: Use CloudFront on the www. version S3 site and put wildcard subdomains on the CloudFront, but how? Or: There's some hidden settings just lies on Router 53, then where? Or: use EC2, better not suggest me this, too costing for this task. Please advice.

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  • Visio Losing My Diagrams!

    - by bobber205
    I've created under "Static Model-Top Package" 4 different sequence diagrams. Once I tried creating the fifth it won't keep it. I try to double click and open it and it opens the 4th one. I can delete the 5th one and create a new one. I can edit this but as soon as I go to another diagram, I've lost it and can only go back to the 4th one and edit that even though I right clicked the 5th one and selected "Open Sequence". What is going on? Has anyone else seen this Visio issue?

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  • How does Router know where to forward packet

    - by kornelijepetak
    If several computers with local addresses (192.168.0.#) are connected to a router and each computer opens a web browser and requests a page over HTTP, when these TCP:80 packets are sent out, the router switches the local address with the static IP of the router (i.e. Provider given IP) so the server can reply to the appropriate address. But how does the router know to which computer to forward the HTTP reply, since the TCP header does not contain the local IP address (does it?), and all computers are using port 80? Does this have anything to do with the MAC addresses? How exactly does this work?

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  • Wake on Lan/Wan won't work after some time has passsed

    - by Vian Esterhuizen
    I have the following set up: Gigabyte Z77X-UD5H Wake On Lan Enabled Asus N66U Port Forwarding Static IP assigned to my computer Windows 7 Advanced Power Management - PCI Express - Off Intel 82579V - All options under Power Management checked I'm trying to set this up for Wake on Wan capabilities. If I shut down my computer and immediately try to Wake on Wan (and Lan) it works and starts up. While the computer is on, I've used a few WOL specific packet sniffers and the packet comes through on the correct port. After any period of time over a few minutes, waking on Wan or Lan won't work. The back "activity" light is blinking on my ethernet port on my computer, as well as on the router, so I would assume the network card is on and able to receive a signal. Any ideas? Suggestions? What can I do to troubleshoot the problem?

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  • Junit test bluej [closed]

    - by user1721929
    Can someone make a junit test of this? public class PersonName { int NumberNames(String wholename) { // store the name passed in to the method String testname=wholename; // initialize number of names found int numnames=0; // on each iteration remove one name while(testname.length()>numnames) { // take the "white space" from the beginning and end testname = testname.trim(); // determine the position of the first blank // .. end of the first word int posBlank= testname.indexOf(' '); // cut off word /** * it continues to the stop sign because that is where you commanded it to end */ testname=testname.substring(posBlank+1,testname.length()); // System.out.println(numnames); // System.out.println(testname); numnames++; System.out.println(testname); } return numnames; } public static void main(String args[]) { PersonName One= new PersonName(); System.out.println(One.NumberNames("Bobby")); System.out.println(One.NumberNames("Bobby Smith")); System.out.println(One.NumberNames("Bobby L. Smith")); System.out.println(One.NumberNames(" Bobby Paul Smith Jr. ")); } }

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  • How do I clean a computer from dust?

    - by Jonas
    As computers become faster and generate more heat it gets more important to have good ventilation, but that also increases the amount of dust sticking to the components of the computer. It's of course better to make sure the computer never gets dusty by vacuum cleaning around it (not in it) frequently. But what to do if it's already to late? I've heard that vacuum cleaning the computer itself is very bad, since it can cause static electricity that hurts the computer. So, Does anyone have any tips for how to remove dust from your computer?

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  • Node.JS testing with Jasmine, databases, and pre-existing code

    - by Jim Rubenstein
    I've recently built the start of a core system which is likely going turn into a monster product. I'm building the system with node.js, and decided after I got a small base built, that It'd be a great idea to start using some sort of automated test suite to test the application. I decided to use jasmine, as it seems pretty solid and has a lot of features for stubbing spying and mocking methods and classes. The application has a lot of external data stores and api access (kestrel, mysql, mongodb, facebook, and more). My issue is, I've got a good amount of code written that I want to start testing - as it represents the underpinnings of the application. What are the best practices for testing methods/classes that access external APIs that I may or may not have control over? As an example, I have a data structure that fetches a bunch of data from a MySQL database. I want to test the method that retrieves the data; and I'm not sure how to go about it. I could test the fetch method which is supposed to return an array of objects, but to isolate the method from the database, I need to define my own fixture data. So what I end up doing is stubbing the mysql execution, and returning a static dataset. So, I end up writing a function that returns the dataset that makes my test pass. That doesn't seem to actually test the code, other than verifying a method is being called. I know this is kind of abstract and vague, it seems that the idea of testing is very much abstract though, so hopefully someone has some experience and can guide me in the right direction. Any advice, or reading I can do is more than welcomed. Thanks in advance.

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  • Touchpad stops working when plugging in new laptop PSU

    - by drahcir
    I recently bought a psu for my Compaq 6710b and when I plug it in to the laptop the touchpad seems to go stop working, especially when the laptop is charging. I checkout this site and it suggests that the problem might be static electricity building up due to poor earthing.I tried replacing the cable that leads from the psu to the wall socket with the one I had of my old psu but to no avail. I even tried to see if I put the psu farther away might reduce to interference but also resulted in failure. Any ideas on how I could solve this problem?

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  • cannot access ubuntu 12.04 SAMBA share from windows 7 using hostname

    - by user98398
    I've been trying for days to get this working, and everywhere I look online it seems no one has a definitive answer, so here is the run down: I have an external drive attached to my ubuntu 12.04 machine, "nicholas-desktop." I have the entire drive shared over the network via SAMBA. If I try to access the drive from windows 7 by using "\nicholas-desktop" it fails saying it cannot locate "nicholas-desktop." However, if I use the current IP address assigned to my machine by my router's DHCP server by typing "\192.168.2.XXX" I have no problems accessing the share. if I try to ping my ubuntu machine's hostname from windows it fails. The same happens if I try to ping my windows machine, "nicholas-laptop" from my ubuntu machine. Again, if I use either machine's assigned IP address it works fine. Can someone please help me get this working? I don't want any workarounds like setting a static IP, or DHCP reservation, I want to be able to resolve hostnames from both sides. I have tried enabling SAMBA'a WINS server so I could resolve the hostnames using netBIOS, however that didn't work either, I may have made a mistake setting it up though. Thanks for your time, NCB

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  • Implementing an automatic navigation mesh generation for 2d top down map?

    - by J2V
    I am currently in the middle of implementing an A* pathfinding for enemies. In order to implement the actual A* logic, I need a navigation mesh for my map. I am working on a 2D top down rpg map. The world is static, meaning there is no requirement for dynamic runtime mesh generation. My world objects are pixel based, not tile based and have associated data with them such as scale, rotation, origin etc. I will obviously need some vertex data being generated from my world objects, maybe create a polygon generation from color data? I could create a colormap with objects for my whole map, but I have no idea how to begin creating nav mesh polygons. How would an actual navigation mesh generation look like with this kind of available information? Can anyone maybe point to some great resources? I have looked into some 3D nav mesh tools, but they seem kind of overly complex for my situation and also have a lot of their req data available from models. Thanks a lot in advance! I have been trying to get my head around it for some time now.

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  • Internet connection very slow after Linksys configuration

    - by NLV
    Hello We have this network setup Server1 - DHCP server, Domain Controller, AD Lease line for Internet connection From lease line to Linksys router (we dont use wireless though) From linksys to Netgear (24 port Switch) and vonage (VoIP) Netgear to all our machines We configured Linsys with the static IP and DNS server addresses our ISP gave and we have routed it correctly. All our work machines are configured with Get IP automatically DNS server addresses our ISP gave The problem is that none of the sites are getting opened promptly. It is taking around 5 minutes to load google.com. But we are able to ping all the sites. What could be the problem?

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  • iproute2 premptive route creation, i think....

    - by Bryan Hunt
    Firstly: I know could do this the easy way with SSH but I want to learn how to route. I want to route packets back through the same tun0 interface from which they came into my system. I can do it for single routes. This works: sudo ip route add 74.52.23.120 metric 2 via 10.8.0.1 But i'd have to add them manually for each request that came down the pipe I've taken the blue pill and followed the http://lartc.org/howto/lartc.netfilter.html: Netfilter & iproute - marking packets tutorial But it's oriented towards redirecting OUTGOING packets based upon markers What I want is for a packet that comes in via tun0 not to be dropped which is what's happening right now, running scappy or suchlike to receive packets it doesn't seem to be receiving anything. Watching in wireshark I see the initial SYN packets coming in on the tun0 interface but that's as far as it gets without a static route as shown above. Am I nuts?

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  • Full Portfolio of x86 Systems On Display at Oracle OpenWorld

    - by kgee
    This OpenWorld, Oracle’s x86 hardware team will have two hardware demos, showcasing the new X3 systems, as well as several other x86 solutions such as the ZFS Storage Appliance, Oracle Database Appliance and the Carrier Grade NETRA systems. These two demos are located in the South Hall in Oracle’s booth 1133 and Intel’s booth 1101.  The Intel booth will feature additional demos including 3D demos of each server, a static architectural demo, the Oracle x86 Grand Prix video game and the Intel Theatre featuring several presentations by Intel’s partners. Oracle’s Intel Theatre Schedule and Topics Include:Monday 1. 10:30 a.m. - Engineered to Work Together: Oracle x86 Systems in the Data Center2. 12:30 a.m. - The Oracle NoSQL Database on the Intel Platform.3. 1:30 p.m. - Accelerate Your Path to Cloud with Oracle VM4. 3:30 p.m. - Why Oracle Linux is the Best Linux for Your Intel Based Systems5. 4:30 p.m. - Accelerate Your Path to Cloud with Oracle VMTuesday 1. 10:00 a.m. - Speed of thought” Analytics using In-Memory Analytics2. 1:30 a.m. - A Storage Architecture for Big Data:  "It’s Not JUST Hadoop"3. 2:00 a.m. - Oracle Optimized Solution for Enterprise Cloud Infrastructure.4. 2:30 p.m. - Configuring Storage to Optimize Database Performance and Efficiency.5. 3:30 p.m. - Total Cloud Control for Oracle's x86 SystemsWednesday 1. 10:00 a.m. - Big Data Analysis Using R-Programming Language2. 11:30 a.m. - Extreme Performance Overview, The Oracle Exadata Database Machine3. 1:30 p.m. - Oracle Times Ten In-Memory Database Overview

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  • Using orientation to calculate position on Windows Phone 7

    - by Lavinski
    I'm using the motion API and I'm trying to figure out a control scheme for the game I'm currently developing. What I'm trying to achive is for a orienation of the device to correlate directly to a position. Such that tilting the phone forward and to the left represents the top left position and back to the right would be the bottom right position. Photos to make it clearer (the red dot would be the calculated position). Forward and Left Back and Right Now for the tricky bit. I also have to make sure that the values take into account left landscape and right landscape device orientations (portrait is the default so no calculations would be needed for it). Has anyone done anything like this? Notes: I've tried using the yaw, pitch, roll and Quaternion readings. Sample: // Get device facing vector public static Vector3 GetState() { lock (lockable) { var down = Vector3.Forward; var direction = Vector3.Transform(down, state); switch (Orientation) { case Orientation.LandscapeLeft: return Vector3.TransformNormal(direction, Matrix.CreateRotationZ(-rightAngle)); case Orientation.LandscapeRight: return Vector3.TransformNormal(direction, Matrix.CreateRotationZ(rightAngle)); } return direction; } }

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  • program logic of printing the prime numbers

    - by Vignesh Vicky
    can any body help to understand this java program it just print prime n.o ,as you enter how many you want and it works good class PrimeNumbers { public static void main(String args[]) { int n, status = 1, num = 3; Scanner in = new Scanner(System.in); System.out.println("Enter the number of prime numbers you want"); n = in.nextInt(); if (n >= 1) { System.out.println("First "+n+" prime numbers are :-"); System.out.println(2); } for ( int count = 2 ; count <=n ; ) { for ( int j = 2 ; j <= Math.sqrt(num) ; j++ ) { if ( num%j == 0 ) { status = 0; break; } } if ( status != 0 ) { System.out.println(num); count++; } status = 1; num++; } } } i dont understand this for loop condition for ( int j = 2 ; j <= Math.sqrt(num) ; j++ ) why we are taking sqrt of num...which is 3....why we assumed it as 3?

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  • Send Multiple InMemory Attachments Using FileUpload Controls

    - by bullpit
    I wanted to give users an ability to send multiple attachments from the web application. I did not want anything fancy, just a few FileUpload controls on the page and then send the email. So I dropped five FileUpload controls on the web page and created a function to send email with multiple attachments. Here’s the code: public static void SendMail(string fromAddress, string toAddress, string subject, string body, HttpFileCollection fileCollection)     {         // CREATE THE MailMessage OBJECT         MailMessage mail = new MailMessage();           // SET ADDRESSES         mail.From = new MailAddress(fromAddress);         mail.To.Add(toAddress);           // SET CONTENT         mail.Subject = subject;         mail.Body = body;         mail.IsBodyHtml = false;                        // ATTACH FILES FROM HttpFileCollection         for (int i = 0; i < fileCollection.Count; i++)         {             HttpPostedFile file = fileCollection[i];             if (file.ContentLength > 0)             {                 Attachment attachment = new Attachment(file.InputStream, Path.GetFileName(file.FileName));                 mail.Attachments.Add(attachment);             }         }           // SEND MESSAGE         SmtpClient smtp = new SmtpClient("127.0.0.1");         smtp.Send(mail);     } And here’s how you call the method: protected void uxSendMail_Click(object sender, EventArgs e)     {         HttpFileCollection fileCollection = Request.Files;         string fromAddress = "[email protected]";         string toAddress = "[email protected]";         string subject = "Multiple Mail Attachment Test";         string body = "Mail Attachments Included";         HelperClass.SendMail(fromAddress, toAddress, subject, body, fileCollection);            }

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  • GNS3 Cannot ping/resolve DNS record

    - by Eldad Cohen
    I set up an internet lab with GNS3, which has 3 routers, in each node there is a computer directly connected. One of the hosts is a DNS server, Windows 2003 Server. The other one is a Windows XP machine. Ping is good between routers and machines but no ability to ping domain.com record on DNS server 2003. I set a static nat on the router to route all traffic from gateway to the DNS server internal ip address, still no answer for the dns request. Any ideas or thoughts will be most welcome.

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  • Unity: parallel vectors and cross product, how to compare vectors

    - by Heisenbug
    I read this post explaining a method to understand if the angle between 2 given vectors and the normal to the plane described by them, is clockwise or anticlockwise: public static AngleDir GetAngleDirection(Vector3 beginDir, Vector3 endDir, Vector3 upDir) { Vector3 cross = Vector3.Cross(beginDir, endDir); float dot = Vector3.Dot(cross, upDir); if (dot > 0.0f) return AngleDir.CLOCK; else if (dot < 0.0f) return AngleDir.ANTICLOCK; return AngleDir.PARALLEL; } After having used it a little bit, I think it's wrong. If I supply the same vector as input (beginDir equal to endDir), the cross product is zero, but the dot product is a little bit more than zero. I think that to fix that I can simply check if the cross product is zero, means that the 2 vectors are parallel, but my code doesn't work. I tried the following solution: Vector3 cross = Vector3.Cross(beginDir, endDir); if (cross == Vector.zero) return AngleDir.PARALLEL; And it doesn't work because comparison between Vector.zero and cross is always different from zero (even if cross is actually [0.0f, 0.0f, 0.0f]). I tried also this: Vector3 cross = Vector3.Cross(beginDir, endDir); if (cross.magnitude == 0.0f) return AngleDir.PARALLEL; it also fails because magnitude is slightly more than zero. So my question is: given 2 Vector3 in Unity, how to compare them? I need the elegant equivalent version of this: if (beginDir.x == endDir.x && beginDir.y == endDir.y && beginDir.z == endDir.z) return true;

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  • "Recipient address rejected" when sending an email to an external address with sendgrid

    - by WJB
    In postfix, I'm using relay_host to send an email to an external address using sendgrid, but I get an error about local ricipient table when sending an email from my PHP code. This is my main.cf in /postfix/ ## -- Sendgrid smtp_sasl_auth_enable = yes smtp_sasl_password_maps = static:username:password smtp_sasl_security_options = noanonymous smtp_tls_security_level = may header_size_limit = 4096000 relayhost = [smtp.sendgrid.net]:587 This is the error message from the log: postfix/smtpd[53598]: [ID 197553 mail.info] NOQUEUE: reject: RCPT from localhost[127.0.0.1]: 550 5.1.1 Recipient address rejected: User unknown in local recipient table; from=<[email protected]> to=<[email protected]> proto=ESMTP helo=<localhost.localdomain> One interesting thing is when I use "sendmail [email protected]" from the command line, the email is delivered successfully using SendGrid. I think it's because this uses postfix/smtp instead of postfix/smtpD the log for this says, postfix/smtp[18670]: [ID 197553 mail.info] AAF7313A7E: to=, relay=smtp.sendgrid.net[50.97.69.148]:587, delay=4.1, delays=3.5/0.02/0.44/0.18, dsn=2.0.0, status=sent (250 Delivery in progress) Thank you

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  • why my server has a dir named "?"

    - by liuxingruo
    These are all the dirs in my server: ? bin boot dev etc home lib lost+found media media2 misc mnt net opt proc root sbin selinux srv sys tmp usr var why there is a "?" dir? Thanks very much. BTW: the touch command was found on my server(wiered). I list the bin dir: alsacard cp dd env hostname loadkeys more ps sed tcptraceroute alsaunmute cpio df ex igawk loadkeys.static mount pwd setfont traceroute6 arch csh dmesg false ipcalc logger mountpoint raw setserial tracert awk cut dnsdomainname fgrep kbd_mode login mv red sh view basename date doexec gawk keyctl ls netstat redhat_lsb_init sleep ypdomainname bash dbus-cleanup-sockets domainname gettext kill mail nice rm sort cat dbus-daemon dumpkeys grep ksh mailx nisdomainname rmdir stty chgrp dbus-monitor echo gtar ksh93 mkdir pgawk rpm su chmod dbus-send ed gunzip link mknod ping rvi sync chown dbus-uuidgen egrep gzip ln mktemp ping6 rview tar touch is missing, how can i get it back?

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  • datacenter network change control best practices

    - by jpolache
    I have been tasked with compiling a list of possible network equipment changes at a data center. The task includes tagging which changes need change control and which don't. Does anyone know of a "best practices" list that I can start from? The methods for doing change control at this data center are well established. The list would be of specific configuration items that should or should not be included in the change control process, of example; static route entries switch port assignments firewall rule additions/changes etc.

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  • Checking who is connected to your server, with PowerShell.

    - by Fatherjack
    There are many occasions when, as a DBA, you want to see who is connected to your SQL Server, along with how they are connecting and what sort of activities they are carrying out. I’m going to look at a couple of ways of getting this information and compare the effort required and the results achieved of each. SQL Server comes with a couple of stored procedures to help with this sort of task – sp_who and its undocumented counterpart sp_who2. There is also the pumped up version of these called sp_whoisactive, written by Adam Machanic which does way more than these procedures. I wholly recommend you try it out if you don’t already know how it works. When it comes to serious interrogation of your SQL Server activity then it is absolutely indispensable. Anyway, back to the point of this blog, we are going to look at getting the information from sp_who2 for a remote server. I wrote this Powershell script a week or so ago and was quietly happy with it for a while. I’m relatively new to Powershell so forgive both my rather low threshold for entertainment and the fact that something so simple is a moderate achievement for me. $Server = 'SERVERNAME' $SMOServer = New-Object Microsoft.SQLServer.Management.SMO.Server $Server # connection and query stuff         $ConnectionStr = "Server=$Server;Database=Master;Integrated Security=True" $Query = "EXEC sp_who2" $Connection = new-object system.Data.SQLClient.SQLConnection $Table = new-object "System.Data.DataTable" $Connection.connectionstring = $ConnectionStr try{ $Connection.open() $Command = $Connection.CreateCommand() $Command.commandtext = $Query $result = $Command.ExecuteReader() $Table.Load($result) } catch{ # Show error $error[0] | format-list -Force } $Title = "Data access processes (" + $Table.Rows.Count + ")" $Table | Out-GridView -Title $Title $Connection.close() So this is pretty straightforward, create an SMO object that represents our chosen server, define a connection to the database and a table object for the results when we get them, execute our query over the connection, load the results into our table object and then, if everything is error free display these results to the PowerShell grid viewer. The query simply gets the results of ‘EXEC sp_who2′ for us. Depending on how many connections there are will influence how long the query runs. The grid viewer lets me sort and search the results so it can be a pretty handy way to locate troublesome connections. Like I say, I was quite pleased with this, it seems a pretty simple script and was working well for me, I have added a few parameters to control the output and give me more specific details but then I see a script that uses the $SMOServer object itself to provide the process information and saves having to define the connection object and query specifications. $Server = 'SERVERNAME' $SMOServer = New-Object Microsoft.SQLServer.Management.SMO.Server $Server $Processes = $SMOServer.EnumProcesses() $Title = "SMO processes (" + $Processes.Rows.Count + ")" $Processes | Out-GridView -Title $Title Create the SMO object of our server and then call the EnumProcesses method to get all the process information from the server. Staggeringly simple! The results are a little different though. Some columns are the same and we can see the same basic information so my first thought was to which runs faster – so that I can get my results more quickly and also so that I place less stress on my server(s). PowerShell comes with a great way of testing this – the Measure-Command function. All you have to do is wrap your piece of code in Measure-Command {[your code here]} and it will spit out the time taken to execute the code. So, I placed both of the above methods of getting SQL Server process connections in two Measure-Command wrappers and pressed F5! The Powershell console goes blank for a while as the code is executed internally when Measure-Command is used but the grid viewer windows appear and the console shows this. You can take the output from Measure-Command and format it for easier reading but in a simple comparison like this we can simply cross refer the TotalMilliseconds values from the two result sets to see how the two methods performed. The query execution method (running EXEC sp_who2 ) is the first set of timings and the SMO EnumProcesses is the second. I have run these on a variety of servers and while the results vary from execution to execution I have never seen the SMO version slower than the other. The difference has varied and the time for both has ranged from sub-second as we see above to almost 5 seconds on other systems. This difference, I would suggest is partly due to the cost overhead of having to construct the data connection and so on where as the SMO EnumProcesses method has the connection to the server already in place and just needs to call back the process information. There is also the difference in the data sets to consider. Let’s take a look at what we get and where the two methods differ Query execution method (sp_who2) SMO EnumProcesses Description - Urn What looks like an XML or JSON representation of the server name and the process ID SPID Spid The process ID Status Status The status of the process Login Login The login name of the user executing the command HostName Host The name of the computer where the  process originated BlkBy BlockingSpid The SPID of a process that is blocking this one DBName Database The database that this process is connected to Command Command The type of command that is executing CPUTime Cpu The CPU activity related to this process DiskIO - The Disk IO activity related to this process LastBatch - The time the last batch was executed from this process. ProgramName Program The application that is facilitating the process connection to the SQL Server. SPID1 - In my experience this is always the same value as SPID. REQUESTID - In my experience this is always 0 - Name In my experience this is always the same value as SPID and so could be seen as analogous to SPID1 from sp_who2 - MemUsage An indication of the memory used by this process but I don’t know what it is measured in (bytes, Kb, Mb…) - IsSystem True or False depending on whether the process is internal to the SQL Server instance or has been created by an external connection requesting data. - ExecutionContextID In my experience this is always 0 so could be analogous to REQUESTID from sp_who2. Please note, these are my own very brief descriptions of these columns, detail can be found from MSDN for columns in the sp_who results here http://msdn.microsoft.com/en-GB/library/ms174313.aspx. Where the columns are common then I would use that description, in other cases then the information returned is purely for interpretation by the reader. Rather annoyingly both result sets have useful information that the other doesn’t. sp_who2 returns Disk IO and LastBatch information which is really useful but the SMO processes method give you IsSystem and MemUsage which have their place in fault diagnosis methods too. So which is better? On reflection I think I prefer to use the sp_who2 method primarily but knowing that the SMO Enumprocesses method is there when I need it is really useful and I’m sure I’ll use it regularly. I’m OK with the fact that it is the slower method because Measure-Command has shown me how close it is to the other option and that it really isn’t a large enough margin to matter.

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  • Port Forwarding for Remote Desktop

    - by Vaibhav Bajpai
    I have two Mac notebooks at home, I have assigned them static private IPs. I have also set my router to a DynDNS address, which updates everytime my router gets a new public IP. I have enabled Screen Sharing on both notebooks. I can successfully goto my router webpage using the DynDNS address. I understand I need to port-forward to get Screen Sharing to work from outside. Lets assume, notebooks have private IP 192.168.1.2 and 192.168.1.3 I am kind of lost here, would appreciate some help (I need to be able remote desktop to both notebooks)

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  • Unity Launcher only runs once - requires lightdm restart before it runs again

    - by Don
    I have an intermittent problem that just started showing up several days ago. I am running 11.10 and all updates are current. I first saw the symptom with a custom version of the "Home" nautilus-home.desktop file I created in ~/.local.share/applications. I added a few static shortcuts to specific folders. What I found was, clikcing the icon once would open up my home folder, but after closing that nautilus window, clicking the icon again did nothing (did not even show icon backlight animation). However, I could right click on the same icon and access my short cuts as many times as I want. Symptom persisted until restarting lightdm. Just yesterday I saw the same sort of symptom happen with a custom launcher I created for a chromium-borwser to open a specific URL (with a few short cuts to other URLs). Click the icon - it works once. Then never again. Right click the icon and I can use the short cuts over and over - no problem. Note - at one point I assumed I might have a problem with my custom .desktop file, so I did a test by removing my custom nautilus-home.desktop. However, even after restarting lightdm, and verifying the home icon was the standard one from /opt/share/applications (all my custom shortcuts were gone) I saw the same symptom re-appear - it runs once and then not again until restarting lightdm. It seems to be intermittent and seems to move between various launchers. Not sure what to do or even what background data to gather. Attempt to improve question after the first answer: I tried the following: 1) remove all custom launchers 2) reboot 3) add custom lauchers back 4) reboot 5) attempt to use .... still have "runs once and never again" symptom with several launchers

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