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  • Silverlight Cream for January 01, 2011 -- #1020

    - by Dave Campbell
    In this short New Year's Day 2011 Issue, 3 Mikes: Mike Taulty, Mike Snow, and Mike Ormond. Above the Fold: Silverlight: "Native Extensions for Silverlight (NESL)?" Mike Taulty WP7: "Monitoring Memory Usage on Windows Phone 7" Mike Ormond From SilverlightCream.com: Native Extensions for Silverlight (NESL)? Mike Taulty has a really good write-up on Native Extensions for Silverlight... he describes what that project is about and gives guidance on best practices. Win7 Mobile: Uniquely Identifying a Device or User Mike Snow has a post up describing how to uniquely identify the phone or device your app is running on using the Microsoft.Phone.Info.DeviceExtendedProperties namespace Monitoring Memory Usage on Windows Phone 7 Mike Ormond has a post up showing how to turn on and make use of the framerate counters in WP7 Stay in the 'Light! Twitter SilverlightNews | Twitter WynApse | WynApse.com | Tagged Posts | SilverlightCream Join me @ SilverlightCream | Phoenix Silverlight User Group Technorati Tags: Silverlight    Silverlight 3    Silverlight 4    Windows Phone MIX10

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  • Need information regarding Ubuntu for Android

    - by a.premkumar
    As far as I understand, Ubuntu for Android is not the same as Actual Ubuntu in Desktops. So I am confusing both with each other. Please enlighten me on this. Could Ubuntu on Android run 32bit softwares same as the PC versions do? Or it is just the ARM version that would not be able to run the existing PC version softwares? If it is ARM now, would it be a 32 or 64 bit version in future?(Ofcourse if the mobile device architecture supports it). Will there be a separate version for Tablets, so that there would be no need for separate docking and allows seamless switching from Android to Ubuntu internally on the device? Regards, Premkumar. A

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  • DRBD Not syncing between my nodes

    - by Mike Curry
    Some version info: Operating system is Ubuntu 11.10, on EC2, kernel is 3.0.0-16-virtual and the application info is: Version: 8.3.11 (api:88) GIT-hash: 0de839cee13a4160eed6037c4bddd066645e23c5 build by buildd@allspice, 2011-07-05 19:51:07 Getting some strange errors in dmesg (seen below) as well, there is no replication happening. I have made my first node primary and its showing: drbd driver loaded OK; device status: version: 8.3.11 (api:88/proto:86-96) srcversion: DA5A13F16DE6553FC7CE9B2 m:res cs ro ds p mounted fstype 0:r0 StandAlone Primary/Unknown UpToDate/DUnknown r----s ext3 my secondary node is showing: drbd driver loaded OK; device status: version: 8.3.11 (api:88/proto:86-96) srcversion: DA5A13F16DE6553FC7CE9B2 m:res cs ro ds p mounted fstype 0:r0 StandAlone Secondary/Unknown Inconsistent/DUnknown r----s Showing /proc/drbd on the master shows: version: 8.3.11 (api:88/proto:86-96) srcversion: DA5A13F16DE6553FC7CE9B2 0: cs:StandAlone ro:Primary/Unknown ds:UpToDate/DUnknown r----s ns:0 nr:0 dw:4 dr:1073 al:0 bm:0 lo:0 pe:0 ua:0 ap:0 ep:1 wo:f oos:262135964 Showing /proc/drbd on the slave shows that there is nothing being transfered... version: 8.3.11 (api:88/proto:86-96) srcversion: DA5A13F16DE6553FC7CE9B2 0: cs:StandAlone ro:Secondary/Unknown ds:Inconsistent/DUnknown r----s ns:0 nr:0 dw:0 dr:0 al:0 bm:0 lo:0 pe:0 ua:0 ap:0 ep:1 wo:f oos:262135964 Here is my config... resource r0 { protocol C; startup { wfc-timeout 15; degr-wfc-timeout 60; } net { cram-hmac-alg sha1; shared-secret "test123; } on drbd01 { device /dev/drbd0; disk /dev/xvdm; address 23.XX.XX.XX:7788; # blocked out ip meta-disk internal; } on drbd02 { device /dev/drbd0; disk /dev/xvdm; address 184.XX.XX.XX:7788; #blocked out ip meta-disk internal; } } I have run the following on the master: sudo drbdadm -- --overwrite-data-of-peer primary all There is no firewall between the systems. Here is the dmesg with some errors: [2285172.969955] drbd: initialized. Version: 8.3.11 (api:88/proto:86-96) [2285172.969960] drbd: srcversion: DA5A13F16DE6553FC7CE9B2 [2285172.969962] drbd: registered as block device major 147 [2285172.969965] drbd: minor_table @ 0xffff88000276ea00 [2285173.000952] block drbd0: Starting worker thread (from drbdsetup [1300]) [2285173.003971] block drbd0: disk( Diskless -> Attaching ) [2285173.006150] block drbd0: No usable activity log found. [2285173.006154] block drbd0: Method to ensure write ordering: flush [2285173.006158] block drbd0: max BIO size = 4096 [2285173.006165] block drbd0: drbd_bm_resize called with capacity == 524271928 [2285173.008512] block drbd0: resync bitmap: bits=65533991 words=1023969 pages=2000 [2285173.008518] block drbd0: size = 250 GB (262135964 KB) [2285173.079566] block drbd0: bitmap READ of 2000 pages took 17 jiffies [2285173.081189] block drbd0: recounting of set bits took additional 1 jiffies [2285173.081194] block drbd0: 250 GB (65533991 bits) marked out-of-sync by on disk bit-map. [2285173.081203] block drbd0: Suspended AL updates [2285173.081210] block drbd0: disk( Attaching -> UpToDate ) [2285173.081214] block drbd0: attached to UUIDs 1C1291D39584C1D1:0000000000000004:0000000000000000:0000000000000000 [2285173.095016] block drbd0: conn( StandAlone -> Unconnected ) [2285173.095046] block drbd0: Starting receiver thread (from drbd0_worker [1301]) [2285173.099297] block drbd0: receiver (re)started [2285173.099304] block drbd0: conn( Unconnected -> WFConnection ) [2285173.099330] block drbd0: bind before connect failed, err = -99 [2285173.099346] block drbd0: conn( WFConnection -> Disconnecting ) [2285173.295788] block drbd0: Discarding network configuration. [2285173.295815] block drbd0: Connection closed [2285173.295826] block drbd0: conn( Disconnecting -> StandAlone ) [2285173.295840] block drbd0: receiver terminated [2285173.295844] block drbd0: Terminating drbd0_receiver Edit: Reading some other similar issues, it was suggested to do a 'drbdadm dump all', so I figured it couldn't hurt. ubuntu@drbd01:~$ drbdadm dump all /etc/drbd.conf:19: in resource r0, on drbd01: IP 23.XX.XX.XX not found on this host. and on slave: root@drbd02:~# drbdadm dump all /etc/drbd.conf:25: in resource r0, on drbd02: IP 184.XX.XX.XX not found on this host. Strange it doesn't find its own ip, however, this is an Amazon EC2 system using an elastic IP... here are my ipconfigs for both... master: ubuntu@drbd01:~$ ifconfig eth0 Link encap:Ethernet HWaddr 22:00:0a:1c:27:11 inet addr:10.28.39.17 Bcast:10.28.39.63 Mask:255.255.255.192 inet6 addr: fe80::2000:aff:fe1c:2711/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:1569 errors:0 dropped:0 overruns:0 frame:0 TX packets:1169 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:124409 (124.4 KB) TX bytes:213601 (213.6 KB) Interrupt:26 lo Link encap:Local Loopback inet addr:127.0.0.1 Mask:255.0.0.0 inet6 addr: ::1/128 Scope:Host UP LOOPBACK RUNNING MTU:16436 Metric:1 RX packets:0 errors:0 dropped:0 overruns:0 frame:0 TX packets:0 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:0 (0.0 B) TX bytes:0 (0.0 B) slave: root@drbd02:~# ifconfig eth0 Link encap:Ethernet HWaddr 12:31:3f:00:14:9d inet addr:10.160.27.107 Bcast:10.160.27.255 Mask:255.255.254.0 inet6 addr: fe80::1031:3fff:fe00:149d/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:915 errors:0 dropped:0 overruns:0 frame:0 TX packets:774 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:75381 (75.3 KB) TX bytes:109673 (109.6 KB) Interrupt:26 lo Link encap:Local Loopback inet addr:127.0.0.1 Mask:255.0.0.0 inet6 addr: ::1/128 Scope:Host UP LOOPBACK RUNNING MTU:16436 Metric:1 RX packets:0 errors:0 dropped:0 overruns:0 frame:0 TX packets:0 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)

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  • Beginner Geek: How To Change the Boot Order in Your Computer’s BIOS

    - by Chris Hoffman
    The boot order in your computer’s BIOS controls which device it loads the operating system from. Modify your boot order to force your computer to boot from a USB drive, CD or DVD drive, or another hard drive. You may need to change this setting when booting from another device, whether you’re running an operating system from a live USB drive or installing a new operating system from a disc. Note: This process will look different on each computer. The instructions here will guide you through the process, but the screenshots won’t look exactly the same. How To Use USB Drives With the Nexus 7 and Other Android Devices Why Does 64-Bit Windows Need a Separate “Program Files (x86)” Folder? Why Your Android Phone Isn’t Getting Operating System Updates and What You Can Do About It

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  • Clustering Basics and Challenges

    - by Karoly Vegh
    For upcoming posts it seemed to be a good idea to dedicate some time for cluster basic concepts and theory. This post misses a lot of details that would explode the articlesize, should you have questions, do not hesitate to ask them in the comments.  The goal here is to get some concepts straight. I can't promise to give you an overall complete definitions of cluster, cluster agent, quorum, voting, fencing, split brain condition, so the following is more of an explanation. Here we go. -------- Cluster, HA, failover, switchover, scalability -------- An attempted definition of a Cluster: A cluster is a set (2+) server nodes dedicated to keep application services alive, communicating through the cluster software/framework with eachother, test and probe health status of servernodes/services and with quorum based decisions and with switchover/failover techniques keep the application services running on them available. That is, should a node that runs a service unexpectedly lose functionality/connection, the other ones would take over the and run the services, so that availability is guaranteed. To provide availability while strictly sticking to a consistent clusterconfiguration is the main goal of a cluster.  At this point we have to add that this defines a HA-cluster, a High-Availability cluster, where the clusternodes are planned to run the services in an active-standby, or failover fashion. An example could be a single instance database. Some applications can be run in a distributed or scalable fashion. In the latter case instances of the application run actively on separate clusternodes serving servicerequests simultaneously. An example for this version could be a webserver that forwards connection requests to many backend servers in a round-robin way. Or a database running in active-active RAC setup.  -------- Cluster arhitecture, interconnect, topologies -------- Now, what is a cluster made of? Servers, right. These servers (the clusternodes) need to communicate. This of course happens over the network, usually over dedicated network interfaces interconnecting all the clusternodes. These connection are called interconnects.How many clusternodes are in a cluster? There are different cluster topologies. The most simple one is a clustered pair topology, involving only two clusternodes:  There are several more topologies, clicking the image above will take you to the relevant documentation. Also, to answer the question Solaris Cluster allows you to run up to 16 servers in a cluster. Where shall these clusternodes be placed? A very important question. The right answer is: It depends on what you plan to achieve with the cluster. Do you plan to avoid only a server outage? Then you can place them right next to eachother in the datacenter. Do you need to avoid DataCenter outage? In that case of course you should place them at least in different fire zones. Or in two geographically distant DataCenters to avoid disasters like floods, large-scale fires or power outages. We call this a stretched- or campus cluster, the clusternodes being several kilometers away from eachother. To cover really large distances, you probably need to move to a GeoCluster, which is a different kind of animal.  What is a geocluster? A Geographic Cluster in Solaris Cluster terms is actually a metacluster between two, separate (locally-HA) clusters.  -------- Cluster resource types, agents, resources, resource groups -------- So how does the cluster manage my applications? The cluster needs to start, stop and probe your applications. If you application runs, the cluster needs to check regularly if the application state is healthy, does it respond over the network, does it have all the processes running, etc. This is called probing. If the cluster deems the application is in a faulty state, then it can try to restart it locally or decide to switch (stop on node A, start on node B) the service. Starting, stopping and probing are the three actions that a cluster agent does. There are many different kinds of agents included in Solaris Cluster, but you can build your own too. Examples are an agent that manages (mounts, moves) ZFS filesystems, or the Oracle DB HA agent that cares about the database, or an agent that moves a floating IP address between nodes. There are lots of other agents included for Apache, Tomcat, MySQL, Oracle DB, Oracle Weblogic, Zones, LDoms, NFS, DNS, etc.We also need to clarify the difference between a cluster resource and the cluster resource group.A cluster resource is something that is managed by a cluster agent. Cluster resource types are included in Solaris cluster (see above, e.g. HAStoragePlus, HA-Oracle, LogicalHost). You can group cluster resources into cluster resourcegroups, and switch these groups together from one node to another. To stick to the example above, to move an Oracle DB service from one node to another, you have to switch the group between nodes, and the agents of the cluster resources in the group will do the following:  On node A Shut down the DB Unconfigure the LogicalHost IP the DB Listener listens on unmount the filesystem   Then, on node B: mount the FS configure the IP  startup the DB -------- Voting, Quorum, Split Brain Condition, Fencing, Amnesia -------- How do the clusternodes agree upon their action? How do they decide which node runs what services? Another important question. Running a cluster is a strictly democratic thing.Every node has votes, and you need the majority of votes to have the deciding power. Now, this is usually no problem, clusternodes think very much all alike. Still, every action needs to be governed upon in a productive system, and has to be agreed upon. Agreeing is easy as long as the clusternodes all behave and talk to eachother over the interconnect. But if the interconnect is gone/down, this all gets tricky and confusing. Clusternodes think like this: "My job is to run these services. The other node does not answer my interconnect communication, it must be down. I'd better take control and run the services!". The problem is, as I have already mentioned, clusternodes very much think alike. If the interconnect is gone, they all assume the other node is down, and they all want to mount the data backend, enable the IP and run the database. Double IPs, double mounts, double DB instances - now that is trouble. Also, in a 2-node cluster they both have only 50% of the votes, that is, they themselves alone are not allowed to run a cluster.  This is where you need a quorum device. According to Wikipedia, the "requirement for a quorum is protection against totally unrepresentative action in the name of the body by an unduly small number of persons.". They need additional votes to run the cluster. For this requirement a 2-node cluster needs a quorum device or a quorum server. If the interconnect is gone, (this is what we call a split brain condition) both nodes start to race and try to reserve the quorum device to themselves. They do this, because the quorum device bears an additional vote, that could ensure majority (50% +1). The one that manages to lock the quorum device (e.g. if it's an FC LUN, it SCSI reserves it) wins the right to build/run a cluster, the other one - realizing he was late - panics/reboots to ensure the cluster config stays consistent.  Losing the interconnect isn't only endangering the availability of services, but it also endangers the cluster configuration consistence. Just imagine node A being down and during that the cluster configuration changes. Now node B goes down, and node A comes up. It isn't uptodate about the cluster configuration's changes so it will refuse to start a cluster, since that would lead to cluster amnesia, that is the cluster had some changes, but now runs with an older cluster configuration repository state, that is it's like it forgot about the changes.  Also, to ensure application data consistence, the clusternode that wins the race makes sure that a server that isn't part of or can't currently join the cluster can access the devices. This procedure is called fencing. This usually happens to storage LUNs via SCSI reservation.  Now, another important question: Where do I place the quorum disk?  Imagine having two sites, two separate datacenters, one in the north of the city and the other one in the south part of it. You run a stretched cluster in the clustered pair topology. Where do you place the quorum disk/server? If you put it into the north DC, and that gets hit by a meteor, you lose one clusternode, which isn't a problem, but you also lose your quorum, and the south clusternode can't keep the cluster running lacking the votes. This problem can't be solved with two sites and a campus cluster. You will need a third site to either place the quorum server to, or a third clusternode. Otherwise, lacking majority, if you lose the site that had your quorum, you lose the cluster. Okay, we covered the very basics. We haven't talked about virtualization support, CCR, ClusterFilesystems, DID devices, affinities, storage-replication, management tools, upgrade procedures - should those be interesting for you, let me know in the comments, along with any other questions. Given enough demand I'd be glad to write a followup post too. Now I really want to move on to the second part in the series: ClusterInstallation.  Oh, as for additional source of information, I recommend the documentation: http://docs.oracle.com/cd/E23623_01/index.html, and the OTN Oracle Solaris Cluster site: http://www.oracle.com/technetwork/server-storage/solaris-cluster/index.html

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  • Ubuntu Touch porting: bad file tree

    - by fcole90
    I'm trying to port ubuntu touch to Samsung Galaxy S Plus but I'm finding it really difficult. The problems at first were to find a good CM rom as base, because this device is not officially supported by CM. Currently I'm using EhndroixIII but now I'm founding a lot of problems with the porting guide. In particular my file tree seems totally different from the one of the guide. For example, there is no device folder. What can I do to solve? Should I create those files? My repository is https://github.com/fcole90/utouch-sgsp.git

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  • My laptop can not access internet after setup bridge with wired NIC and wireless NIC

    - by Victor S
    I setup a bridge using wired NIC and wireless NIC in order to make wireless NIC as a Wi-Fi AP to share wired internet access, after setup successfully, the Wi-Fi AP works as my expectation, but my laptop can not access internet, please give me a hand. Thanks. My hostapd.conf $ cat hostapd.conf interface=wlan0 bridge=br0 driver=nl80211 ssid=myAP hw_mode=g channel=11 dtim_period=1 rts_threshold=2347 fragm_threshold=2346 macaddr_acl=0 auth_algs=3 ieee80211n=0 wpa=3 wpa_passphrase=PassWord wpa_key_mgmt=WPA-PSK wpa_pairwise=TKIP rsn_pairwise=CCMP Setup steps: $ sudo killall hostapd hostapd: no process found $ sudo hostapd -B hostapd.conf Configuration file: hostapd.conf Using interface wlan0 with hwaddr 00:26:5e:e8:4f:8e and ssid 'myAP' $ sudo brctl addbr br0 device br0 already exists; can't create bridge with the same name $ sudo ifconfig eth0 0.0.0.0 up $ sudo ifconfig wlan0 0.0.0.0 up $ sudo brctl addif br0 eth0 $ sudo brctl addif br0 wlan0 device wlan0 is already a member of a bridge; can't enslave it to bridge br0. $ sudo ifconfig br0 192.168.1.110 netmask 255.255.255.0 $ sudo route add default gw 192.168.1.1

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  • Why doesn't my ACR38 SmartCard Reader work?

    - by Andrea Grandi
    Hello, I've this SmartCard reader: Bus 002 Device 004: ID 072f:90cc Advanced Card Systems, Ltd ACR38 SmartCard Reader I've installed the following packages: pcscd, libacr38u, pcsc-tools, and a driver available on this website http://www.bit4id.com/italiano/download/download_file/Linux.zip the pcscd daemon seems running: andrea@centurion:~$ ps -e | grep pcsc 2799 ? 00:00:00 pcscd when I try to test if the smart card is working, I get no reply: andrea@centurion:~$ pcsc_scan PC/SC device scanner V 1.4.16 (c) 2001-2009, Ludovic Rousseau <[email protected]> Compiled with PC/SC lite version: 1.5.3 Scanning present readers... Waiting for the first reader... how can I fix this?

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  • SQLAuthority News – Technical Review of Learning at Koenig Solutions

    - by pinaldave
    Yesterday I finished my 3 days fast track in person learning of course End to End SQL Server Business Intelligence at Koenig Solutions. You can read my previous article over here regarding why am I learning SQL Server. Yesterday I blogged about my experience of arriving to Training Center and my induction with the center. The Training Days I had enrolled for three days training so my routine each of the three days was very much same. However, the content every day was different as I was learning something new every day. Let me describe a few of the interesting details of my daily routine. A Single Student Batch The best part of my training was that in my training batch, I am single student. Koenig is known to smaller batches and often they have single student batches as well. I was very much delighted to know that I will have dedicated access and attention from my trainer in my batch as I will be single student in my batch. In most of the labs I have observed there are no more than 4 students at any time. Prakash and Pinal 7:30 AM Breakfast Talk We all students gather at 7:30 in breakfast area. The best time of the day. I was the only Indian student in the group. The other students were from USA, Canada, Nigeria, Bhutan, Tanzania, and a few others from other countries. I immediately become the source of information and reference manual. Though the distance between Delhi and Bangalore is 2000+ KM I was considered as a local guy. 8:30 AMHeading to Training Center Every day without fail at 8:30 the van started from our accommodation to the training center. As mentioned in an earlier blog post the distance is about 5 minutes and we were able to reach at the location before 8:45. This gave us some time settle in before our class starts at 9:00 AM. 9:00 AM Order Lunch Food Well it may sound funny that we just had breakfast 30 minutes but the first thing everybody has to do is to order lunch as soon as the class starts. There is an online training portal to order food for the day. Everybody has to place their order early during the day so the food arrives on time during lunch time. Everybody can order whatever they want to order using an online ordering system. The options are plenty and everybody can order what they like. 9:05 AM Learning Starts After deciding the lunch we started the learning. I was very fortunate to have a very experienced trainer - Prakash Chheatry. Though I have never met him before I have heard a lot about Prakash. He is known as the top most SQL Server Trainer in India. His student list contains some of the very well known SQL Server Experts of the world and few of SQL Server “best seller” book authors. Learning continues till 1:00 PM with one tea-coffee break in between. 1:00 PM Lunch The lunch time is again the fun time. We all students get together in the afternoon and tell the stories of the world. Indeed the best part of the day beside learning new stuff. 4:55 PM Ready to Return We stop at 4:55 as at precisely 5:00 PM the van stops by the institute which takes us back to our accommodation. Trust me seriously long long day always but the amount of the learning is the win of the day. 7:30 PM Dinner Time After coming back to the accommodation I study till 7:30 and then rush for dinner. Dinner is world cuisine and deserts are really delicious. After dinner every day I have written a blog and retired early as the next day is always going to be busier than the present day. What did I learn As I mentioned earlier I know SQL Server fairly well. I had expressed the same in my conversation as well. This is the reason I was assigned a fairly senior trainer and we learned everything quite quickly. As I know quite a few things we went pretty fast in many topics. There were a few things, I wanted to learn in detail as well practice on the labs. We slowed down where we wanted and rush through the concepts where I was very comfortable. Here is the list of the things which we covered in action pack three days. Introduction to Business Intelligence (Intro) SQL Server Analysis Service (Theory and Lab) SQL Server Integration Service  (Theory and Lab) SQL Server Reporting Service  (Theory and Lab) SQL Server PowerPivot (Lab) UDM (Theory) SharePoint Concepts (Theory) Power View (Demo) Business Intelligence and Security (Discussion) Well, I was delighted that I was able to refresh lots of concepts during these three days. Thanks to my trainer and my friend who helped me to have a good learning experience. I believe all the learning  will help me in my growth and future career. With this I end my this experience. I am planning to have another online learning experience later this month. I will blog about my experience as I begin it. Reference: Pinal Dave (http://blog.sqlauthority.com) Filed under: PostADay, SQL, SQL Authority, SQL Query, SQL Server, SQL Tips and Tricks, SQL Training, T SQL, Technology

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  • NTFS Signature is missing

    - by LuckyBearing
    So I got a new secondary hard drive caddy and formatted it to NTFS. I forgot to partition the drive after formatting, I rebooted and now I can't access the drive that has around 400gb of data because the NTFS Signature is missing. "Error mounting...NTFS signature is missing. Failed to mount '/dev/sdb2': Invalid argument The device '/dev/sdb2' doesn't seem to have a valid NTFS. Maybe the wrong device is used? Or the whole disk instead of a partition (e.g. /dev/sda, not /dev/sda1)? Or the other way around?" Says the same thing for sdb1. But I think the sdb2 has most, if not all of the copied data. How do I retrieve my data back? I read somewhere I can install ntfs-progs and it will fix the issue. here

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  • All Xen domU LVM volumes corrupt after reboot

    - by zcs
    I'm running a Debian Squeeze dom0, and after rebooting it all 7 of my domUs have data corruption. Each is setup as ext3 partition directly on a separate lvm2 volume. None of the lvm volumes will mount; all have bad superblocks. I've tried e2fsck with each superblock to no avail. What else can I try? Each domU has two LVM volumes connected to it, one for the disk and one for swap. The disk is mounted at root, formatted as a normal ext3 partition as a xen-blk device. The volumes are never mounted outside of the guest OS. I'm running Ubuntu 11.04 using the instructions here. I'm not sure that they didn't shutdown properly, all I know is they were corrupt after I issues a clean 'reboot' on the dom0. Here's a sample Xen config file; the rest are the same except for name, vcpus, memory, vif and disk. name = 'load1' vcpus = 2 memory = 512 vif = ['bridge=prbr0', 'bridge=eth0'] disk = ['phy:/dev/VolGroup00/load1-disk,xvda,w','phy:/dev/VolGroup00/load1-swap,xvdb,w'] #============================================================================ # Debian Installer specific variables def check_bool(name, value): value = str(value).lower() if value in ('t', 'tr', 'tru', 'true'): return True return False global var_check_with_default def var_check_with_default(default, var, val): if val: return val return default xm_vars.var('install', use='Install Debian, default: false', check=check_bool) xm_vars.var("install-method", use='Installation method to use "cdrom" or "network" (default: network)', check=lambda var, val: var_check_with_default('network', var, val)) # install-method == "network" xm_vars.var("install-mirror", use='Debian mirror to install from (default: http://archive.ubuntu.com/ubuntu)', check=lambda var, val: var_check_with_default('http://archive.ubuntu.com/ubuntu', var, val)) xm_vars.var("install-suite", use='Debian suite to install (default: natty)', check=lambda var, val: var_check_with_default('natty', var, val)) # install-method == "cdrom" xm_vars.var("install-media", use='Installation media to use (default: None)', check=lambda var, val: var_check_with_default(None, var, val)) xm_vars.var("install-cdrom-device", use='Installation media to use (default: xvdd)', check=lambda var, val: var_check_with_default('xvdd', var, val)) # Common options xm_vars.var("install-arch", use='Debian mirror to install from (default: amd64)', check=lambda var, val: var_check_with_default('amd64', var, val)) xm_vars.var("install-extra", use='Extra command line options (default: None)', check=lambda var, val: var_check_with_default(None, var, val)) xm_vars.var("install-installer", use='Debian installer to use (default: network uses install-mirror; cdrom uses /install.ARCH)', check=lambda var, val: var_check_with_default(None, var, val)) xm_vars.var("install-kernel", use='Debian installer kernel to use (default: uses install-installer)', check=lambda var, val: var_check_with_default(None, var, val)) xm_vars.var("install-ramdisk", use='Debian installer ramdisk to use (default: uses install-installer)', check=lambda var, val: var_check_with_default(None, var, val)) xm_vars.check() if not xm_vars.env.get('install'): bootloader="/usr/sbin/pygrub" elif xm_vars.env['install-method'] == "network": import os.path print "Install Mirror: %s" % xm_vars.env['install-mirror'] print "Install Suite: %s" % xm_vars.env['install-suite'] if xm_vars.env['install-installer']: installer = xm_vars.env['install-installer'] else: installer = xm_vars.env['install-mirror']+"/dists/"+xm_vars.env['install-suite'] + \ "/main/installer-"+xm_vars.env['install-arch']+"/current/images" print "Installer: %s" % installer print print "WARNING: Installer kernel and ramdisk are not authenticated." print if xm_vars.env.get('install-kernel'): kernelurl = xm_vars.env['install-kernel'] else: kernelurl = installer + "/netboot/xen/vmlinuz" if xm_vars.env.get('install-ramdisk'): ramdiskurl = xm_vars.env['install-ramdisk'] else: ramdiskurl = installer + "/netboot/xen/initrd.gz" import urllib class MyUrlOpener(urllib.FancyURLopener): def http_error_default(self, req, fp, code, msg, hdrs): raise IOError("%s %s" % (code, msg)) urlopener = MyUrlOpener() try: print "Fetching %s" % kernelurl kernel, _ = urlopener.retrieve(kernelurl) print "Fetching %s" % ramdiskurl ramdisk, _ = urlopener.retrieve(ramdiskurl) except IOError, _: raise elif xm_vars.env['install-method'] == "cdrom": arch_path = { 'i386': "/install.386", 'amd64': "/install.amd" } if xm_vars.env['install-media']: print "Install Media: %s" % xm_vars.env['install-media'] else: raise OptionError("No installation media given.") if xm_vars.env['install-installer']: installer = xm_vars.env['install-installer'] else: installer = arch_path[xm_vars.env['install-arch']] print "Installer: %s" % installer if xm_vars.env.get('install-kernel'): kernelpath = xm_vars.env['install-kernel'] else: kernelpath = installer + "/xen/vmlinuz" if xm_vars.env.get('install-ramdisk'): ramdiskpath = xm_vars.env['install-ramdisk'] else: ramdiskpath = installer + "/xen/initrd.gz" disk.insert(0, 'file:%s,%s:cdrom,r' % (xm_vars.env['install-media'], xm_vars.env['install-cdrom-device'])) bootloader="/usr/sbin/pygrub" bootargs="--kernel=%s --ramdisk=%s" % (kernelpath, ramdiskpath) print "From CD" else: print "WARNING: Unknown install-method: %s." % xm_vars.env['install-method'] if xm_vars.env.get('install'): # Figure out command line if xm_vars.env['install-extra']: extras=[xm_vars.env['install-extra']] else: extras=[] # Reboot will just restart the installer since this file is not # reparsed, so halt and restart that way. extras.append("debian-installer/exit/always_halt=true") extras.append("--") extras.append("quiet") console="hvc0" try: if len(vfb) >= 1: console="tty0" except NameError, e: pass extras.append("console="+ console) extra = str.join(" ", extras) print "command line is \"%s\"" % extra root There are two LVM logical volumes connected to each VM. Here's the fdisk -l output for the disk volume: Disk /dev/VolGroup00/VMNAME-disk: 8589 MB, 8589934592 bytes 255 heads, 63 sectors/track, 1044 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk identifier: 0x00029c01 Device Boot Start End Blocks Id System /dev/VolGroup00/VMNAME-disk1 1 1045 8386560 83 Linux And the swap volume: Disk /dev/VolGroup00/VMNAME-swap: 536 MB, 536870912 bytes 37 heads, 35 sectors/track, 809 cylinders Units = cylinders of 1295 * 512 = 663040 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk identifier: 0x0004faae Device Boot Start End Blocks Id System /dev/VolGroup00/VMNAME-swap1 2 809 522240 82 Linux swap / Solaris Partition 1 has different physical/logical beginnings (non-Linux?): phys=(0, 32, 33) logical=(1, 21, 19) Partition 1 has different physical/logical endings: phys=(65, 36, 35) logical=(808, 4, 28)

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  • The future for Microsoft

    - by Scott Dorman
    Originally posted on: http://geekswithblogs.net/sdorman/archive/2013/10/16/the-future-for-microsoft.aspxMicrosoft is in the process of reinventing itself. While some may argue that it’s “too little, too late” or that their growing consumer-focused strategy is wrong, the truth of the situation is that Microsoft is reinventing itself into a new company. While Microsoft is now calling themselves a “devices and services” company, that’s not entirely accurate. Let’s look at some facts: Microsoft will always (for the long-term foreseeable future) be financially split into the following divisions: Windows/Operating Systems, which for FY13 made up approximately 24% of overall revenue. Server and Tools, which for FY13 made up approximately 26% of overall revenue. Enterprise/Business Products, which for FY13 made up approximately 32% of overall revenue. Entertainment and Devices, which for FY13 made up approximately 13% of overall revenue. Online Services, which for FY13 made up approximately 4% of overall revenue. It is important to realize that hardware products like the Surface fall under the Windows/Operating Systems division while products like the Xbox 360 fall under the Entertainment and Devices division. (Presumably other hardware, such as mice, keyboards, and cameras, also fall under the Entertainment and Devices division.) It’s also unclear where Microsoft’s recent acquisition of Nokia’s handset division will fall, but let’s assume that it will be under Entertainment and Devices as well. Now, for the sake of argument, let’s assume a slightly different structure that I think is more in line with how Microsoft presents itself and how the general public sees it: Consumer Products and Devices, which would probably make up approximately 9% of overall revenue. Developer Tools, which would probably make up approximately 13% of overall revenue. Enterprise Products and Devices, which would probably make up approximately 47% of overall revenue. Entertainment, which would probably make up approximately 13% of overall revenue. Online Services, which would probably make up approximately 17% of overall revenue. (Just so we’re clear, in this structure hardware products like the Surface, a portion of Windows sales, and other hardware fall under the Consumer Products and Devices division. I’m assuming that more of the income for the Windows division is coming from enterprise/volume licenses so 15% of that income went to the Enterprise Products and Devices division. Most of the enterprise services, like Azure, fall under the Online Services division so half of the Server and Tools income went there as well.) No matter how you look at it, the bulk of Microsoft’s income still comes from not just the enterprise but also software sales, and this really shouldn’t surprise anyone. So, now that the stage is set…what’s the future for Microsoft? The future I see for Microsoft (again, this is just my prediction based on my own instinct, gut-feel and publicly available information) is this: Microsoft is becoming a consumer-focused enterprise company. Let’s look at it a different way. Microsoft is an enterprise-focused company trying to create a larger consumer presence.  To a large extent, this is the exact opposite of Apple, who is really a consumer-focused company trying to create a larger enterprise presence. The major reason consumer-focused companies (like Apple) have started making in-roads into the enterprise is the “bring your own device” phenomenon. Yes, Apple has created some “game-changing” products but their enterprise influence is still relatively small. Unfortunately (for this blog post at least), Apple provides revenue in terms of hardware products rather than business divisions, so it’s not possible to do a direct comparison. However, in the interest of transparency, from Apple’s Quarterly Report (filed 24 July 2013), their revenue breakdown is: iPhone, which for the 3 months ending 29 June 2013 made up approximately 51% of revenue. iPad, which for the 3 months ending 29 June 2013 made up approximately 18% of revenue. Mac, which for the 3 months ending 29 June 2013 made up approximately 14% of revenue. iPod, which for the 3 months ending 29 June 2013 made up approximately 2% of revenue. iTunes, Software, and Services, which for the 3 months ending 29 June 2013 made up approximately 11% of revenue. Accessories, which for the 3 months ending 29 July 2013 made up approximately 3% of revenue. From this, it’s pretty clear that Apple is a consumer-and-hardware-focused company. At this point, you may be asking yourself “Where is all of this going?” The answer to that lies in Microsoft’s shift in company focus. They are becoming more consumer focused, but what exactly does that mean? The biggest change (at least that’s been in the news lately) is the pending purchase of Nokia’s handset division. This, in combination with their Surface line of tablets and the Xbox, will put Microsoft squarely in the realm of a hardware-focused company in addition to being a software-focused company. That can (and most likely will) shift the revenue split to looking at revenue based on software sales (both consumer and enterprise) and also hardware sales (mostly on the consumer side). If we look at things strictly from a Windows perspective, Microsoft clearly has a lot of irons in the fire at the moment. Discounting the various product SKUs available and painting the picture with broader strokes, there are currently 5 different Windows-based operating systems: Windows Phone Windows Phone 7.x, which runs on top of the Windows CE kernel Windows Phone 8.x+, which runs on top of the Windows 8 kernel Windows RT The ARM-based version of Windows 8, which runs on top of the Windows 8 kernel Windows (Pro) The Intel-based version of Windows 8, which runs on top of the Windows 8 kernel Xbox The Xbox 360, which runs it’s own proprietary OS. The Xbox One, which runs it’s own proprietary OS, a version of Windows running on top of the Windows 8 kernel and a proprietary “manager” OS which manages the other two. Over time, Windows Phone 7.x devices will fade so that really leaves 4 different versions. Looking at Windows RT and Windows Phone 8.x paints an interesting story. Right now, all mobile phone devices run on some sort of ARM chip and that doesn’t look like it will change any time soon. That means Microsoft has two different Windows based operating systems for the ARM platform. Long term, it doesn’t make sense for Microsoft to continue supporting that arrangement. I have long suspected (since the Surface was first announced) that Microsoft will unify these two variants of Windows and recent speculation from some of the leading Microsoft watchers lends credence to this suspicion. It is rumored that upcoming Windows Phone releases will include support for larger screen sizes, relax the requirement to have a hardware-based back button and will continue to improve API parity between Windows Phone and Windows RT. At the same time, Windows RT will include support for smaller screen sizes. Since both of these operating systems are based on the same core Windows kernel, it makes sense (both from a financial and development resource perspective) for Microsoft to unify them. The user interfaces are already very similar. So similar in fact, that visually it’s difficult to tell them apart. To illustrate this, here are two screen captures: Other than a few variations (the Bing News app, the picture shown in the Pictures tile and the spacing between the tiles) these are identical. The one on the left is from my Windows 8.1 laptop (which looks the same as on my Surface RT) and the one on the right is from my Windows Phone 8 Lumia 925. This pretty clearly shows that from a consumer perspective, there really is no practical difference between how these two operating systems look and how you interact with them. For the consumer, your entertainment device (Xbox One), phone (Windows Phone) and mobile computing device (Surface [or some other vendors tablet], laptop, netbook or ultrabook) and your desktop computing device (desktop) will all look and feel the same. While many people will denounce this consistency of user experience, I think this will be a good thing in the long term, especially for the upcoming generations. For example, my 5-year old son knows how to use my tablet, phone and Xbox because they all feature nearly identical user experiences. When Windows 8 was released, Microsoft allowed a Windows Store app to be purchased once and installed on as many as 5 devices. With Windows 8.1, this limit has been increased to over 50. Why is that important? If you consider that your phone, computing devices, and entertainment device will be running the same operating system (with minor differences related to physical hardware chipset), that means that I could potentially purchase my sons favorite Angry Birds game once and be able to install it on all of the devices I own. (And for those of you wondering, it’s only 7 [at the moment].) From an app developer perspective, the story becomes even more compelling. Right now there are differences between the different operating systems, but those differences are shrinking. The user interface technology for both is XAML but there are different controls available and different user experience concepts. Some of the APIs available are the same while some are not. You can’t develop a Windows Phone app that can also run on Windows (either Windows Pro or RT). With each release of Windows Phone and Windows RT, those difference become smaller and smaller. Add to this mix the Xbox One, which will also feature a Windows-based operating system and the same “modern” (tile-based) user interface and the visible distinctions between the operating systems will become even smaller. Unifying the operating systems means one set of APIs and one code base to maintain for an app that can run on multiple devices. One code base means it’s easier to add features and fix bugs and that those changes become available on all devices at the same time. It also means a single app store, which will increase the discoverability and reach of your app and consolidate revenue and app profile management. Now, the choice of what devices an app is available on becomes a simple checkbox decision rather than a technical limitation. Ultimately, this means more apps available to consumers, which is always good for the app ecosystem. Is all of this just rumor, speculation and conjecture? Of course, but it’s not unfounded. As I mentioned earlier, some of the prominent Microsoft watchers are also reporting similar rumors. However, Microsoft itself has even hinted at this future with their recent organizational changes and by telling developers “if you want to develop for Xbox One, start developing for Windows 8 now.” I think this pretty clearly paints the following picture: Microsoft is committed to the “modern” user interface paradigm. Microsoft is changing their release cadence (for all products, not just operating systems) to be faster and more modular. Microsoft is going to continue to unify their OS platforms both from a consumer perspective and a developer perspective. While this direction will certainly concern some people it will excite many others. Microsoft’s biggest failing has always been following through with a strong and sustained marketing strategy that presents a consistent view point and highlights what this unified and connected experience looks like and how it benefits consumers and enterprises. We’ve started to see some of this over the last few years, but it needs to continue and become more aggressive and consistent. In the long run, I think Microsoft will be able to pull all of these technologies and devices together into one seamless ecosystem. It isn’t going to happen overnight, but my prediction is that we will be there by the end of 2016. As both a consumer and a developer, I, for one, am excited about the future of Microsoft.

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  • Can't get TRIM test to work

    - by Matthew Marcus
    So I'm attempting to install TRIM using the walkthrough here: How to enable TRIM? But everytime I attempt to run the hdparm command, I get the following when I try to run it w/ sda: reading sector 5805056: FAILED: Input/output error and I get this when running it with sda1: /dev/sda1: Device /dev/sda1 has non-zero LBA starting offset of 2048. Please use an absolute LBA with the /dev/ entry for the full device, rather than a partition name. /dev/sda1 is probably a partition of /dev/sda (?) The absolute LBA of sector 5807104 from /dev/sda1 should be 5809152 Aborting. I'm running Natty in a VBox on Windows 7. Someone PLEASE help.. I keep getting this "consistency check" message on boot of my machine and I think it's because Ubuntu is writing to the same sectors on the VHD too much.. need to get trim working on this thing.. Thanks.

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  • iPad and User Assistance

    - by ultan o'broin
    What possibilities does the iPad over for user assistance in the enterprise space? We will research the possibilities but I can see a number of possibilities already for remote workers who need access to trouble-shooting information on-site, implementers who need reference information and diagrams, business analysts or technical users accessing reports and dashboards for metrics or issues, functional users who need org charts and other data visualizations, and so on. It could also open up more possibilities for collaborative problem solving. User assistance content can take advantage of the device's superb display, graphics capability, connectivity, and long battery life. The possibility of opening up more innovative user assistance solutions (such as comics) is an exciting one for everyone in the UX space. Aligned to this possibility we need to research how users would use the device as they work.

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  • Ubuntu One: devices is missed, but still synching

    - by Hardkorova
    I'm use Ubuntu One on MacOS and Ubuntu. In the list of devices on login.ubuntu.com/+applications or one.ubuntu.com/account I see only Web login. In the Ubuntu One's GUI app on Mac and Ubuntu I see that: "Local device" (without name of, or everything) as current device and Web login in the list of other devices. But my both computers is still synching, even after i change password! And I can't delete devices from app, because it generate error "AttributeError "'QGroupBox' object has no attribute 'startswith'"". You can see screenshot: http://i40.tinypic.com/21c8tx3.png I think, I need to delete all login info on both machines for re-login to cloud, but cleaning up folders like "ubuntuone" and "sso" on Ubuntu in /home/user/.cache, .config and on MacOS in "Libraries" is not working - app being still log-in. Because of it sometimes synchronization working not properly - I need to recheck sync folders for syncing changes on it.

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  • How to make FN keys working on Asus G75 laptop

    - by c_inconnu
    I just bought a Asus G75 and I cannot make the FN keys working. I only found how to control the brightness (http://askubuntu.com/questions/126441/brightness-controls-doesnt-work-on-a-macbook-pro-5-5-ubuntu-12-04-lts) but the other keys are not recognized. I didn't know much things about key binding before digging, but I tried : testing with xev : no output... testing with keymap : no output... modprobe asus-laptop : FATAL: Error inserting asus_laptop (/lib/modules/3.2.0-25-generic/kernel/drivers/platform/x86/asus-laptop.ko): No such device (not sure what that means) modprobe asus-nb-wmi : FATAL: Error inserting asus_nb_wmi (/lib/modules/3.2.0-25-generic/drivers/platform/x86/asus-nb-wmi.ko): No such device (not sure what that means) Thanks for your advice David

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  • Control Sysinternals Suite & NirSoft Utilities with a Single Interface

    - by Asian Angel
    Sysinternals and NirSoft both provide helpful utilities for your Windows system but may not be very convenient to access. Using the Windows System Control Center you can easily access everything through a single UI front end. Setup The first thing to do is set up three new folders in Program Files (or Program Files (x86) if you are using a 64bit system) with the following names (the first two need to exactly match what is shown here): Sysinternals Suite NirSoft Utilities (create this folder only if you have any of these apps downloaded) Windows System Control Center (or WSCC depending on your preferences) Unzip the contents of the Sysinternals Suite into its’ folder. Then unzip any individual NirSoft Utilities programs that you have downloaded into the NirSoft folder. All that is left to do is to unzip the WSCC software into its’ folder and create a shortcut. WSCC in Action When you start WSCC up for the first time you will see the following message with a brief explanation about the software. Next the options window will appear providing you an opportunity to look around and make any desired changes. WSCC can access utilities for both suites using a live connection if needed (utilities accessed live are not downloaded). Note: This occurs on the first run only. This is the main WSCC window…you can choose the utility that you want to use by sorting through an all items list or based on category. Note: WSCC may occasionally experience a problem downloading a particular utility if using the live service. We conducted a quick test by accessing two Sysinternals apps. First PsInfo… Followed by DiskView. Both opened quickly and were ready to go. There were no NirSoft Utilities installed on our test system in order to provide a live access example. Within moments WSCC accessed the CurrProcess utility and had it running on our system. Our recommendation is to download your favorite utilities from both suites (in order to always have easy access to them). Conclusion WSCC provides an easy way to access all of the apps in the Sysinternals Suite and NirSoft Utilities in one place. Note: A PortableApps version is also available. Links Download Windows System Control Center (WSCC) Download Windows Sysinternals Suite Download individual NirSoft Utilities programs Similar Articles Productive Geek Tips How To Get Detailed Information About Your PCAccess and Launch Windows Utilities the Easy WayWhat is svchost.exe And Why Is It Running?How to Clean Up Your Messy Windows Context MenuRemove NVIDIA Control Panel from Desktop Right-Click Menu TouchFreeze Alternative in AutoHotkey The Icy Undertow Desktop Windows Home Server – Backup to LAN The Clear & Clean Desktop Use This Bookmarklet to Easily Get Albums Use AutoHotkey to Assign a Hotkey to a Specific Window Latest Software Reviews Tinyhacker Random Tips CloudBerry Online Backup 1.5 for Windows Home Server Snagit 10 VMware Workstation 7 Acronis Online Backup Ultimate Boot CD can help when disaster strikes Windows Firewall with Advanced Security – How To Guides Sculptris 1.0, 3D Drawing app AceStock, a Tiny Desktop Quote Monitor Gmail Button Addon (Firefox) Hyperwords addon (Firefox)

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  • Mark Hurd on Oracle's Strategy to Be the Best

    - by Tuula Fai
    Mark Hurd, President of Oracle, energized a packed audience this Monday morning at OpenWorld with his keynote outlining Oracle’s four-pillar strategy: Be the leader at every level of the technology stack—applications, middleware, database, operating system, virtual machine, servers, and storage Vertically integrate these levels into differentiated solutions Offer Fusion, the next generation of applications, which are modular and can run in the cloud, on-premise, or both (hybrid) Deliver this technology portfolio through industry lenses to help Oracle customers solve their problems while innovating and becoming more efficient. Hurd’s message resonated throughout Monday’s Customer Experience (CX) sessions as we learned about Oracle’s investment in integrating its best-of-breed CX solutions to deliver an end-to-end suite that addresses every part of the customer lifecycle. For example, in the area of customer service, Oracle is developing enhancements to help contact center agents: Better understand customer needs through social listening tools that are integrated with knowledge management Empower themselves with internal collaboration and mobility tools Adapt to customer needs by engaging them through chat during a service or commerce interaction so they can deliver a great customer experience while transforming from a cost- into a profit center.

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  • Built-in network card not working?

    - by Zeeshan
    Hi, I am new to Ubuntu. I have installed Ubuntu 9.04(Jaunty). After installation I found that network card is not wokring. And id doest not list in "System Preferenes Network Connections" So , i got another card from my friend and try to search on internat about my problem but still cant find solution. Some commands output is here which may be help to solve problem root@mzeeshan-desktop:/home/mzeeshan# uname -r 2.6.28-11-generic root@mzeeshan-desktop:/home/mzeeshan# ifconfig -a eth0 Link encap:Ethernet HWaddr 00:02:44:4a:45:12 inet addr:192.168.5.37 Bcast:192.168.5.255 Mask:255.255.255.0 inet6 addr: fe80::202:44ff:fe4a:4512/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:3774 errors:0 dropped:0 overruns:0 frame:0 TX packets:3611 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:4307045 (4.3 MB) TX bytes:583067 (583.0 KB) Interrupt:22 Base address:0x1000 lo Link encap:Local Loopback inet addr:127.0.0.1 Mask:255.0.0.0 inet6 addr: ::1/128 Scope:Host UP LOOPBACK RUNNING MTU:16436 Metric:1 RX packets:4 errors:0 dropped:0 overruns:0 frame:0 TX packets:4 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:240 (240.0 B) TX bytes:240 (240.0 B) pan0 Link encap:Ethernet HWaddr 5e:25:17:a1:18:ac BROADCAST MULTICAST MTU:1500 Metric:1 RX packets:0 errors:0 dropped:0 overruns:0 frame:0 TX packets:0 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:0 (0.0 B) TX bytes:0 (0.0 B) root@mzeeshan-desktop:/home/mzeeshan# lspci 00:00.0 Host bridge: Intel Corporation Device 0069 (rev 12) 00:01.0 PCI bridge: Intel Corporation Auburndale/Havendale PCI Express x16 Root Port (rev 12) 00:19.0 Ethernet controller: Intel Corporation Device 10f0 (rev 05) 00:1a.0 USB Controller: Intel Corporation Ibex Peak USB2 Enhanced Host Controller (rev 05) 00:1c.0 PCI bridge: Intel Corporation Ibex Peak PCI Express Root Port 1 (rev 05) 00:1c.4 PCI bridge: Intel Corporation Ibex Peak PCI Express Root Port 5 (rev 05) 00:1c.6 PCI bridge: Intel Corporation Ibex Peak PCI Express Root Port 7 (rev 05) 00:1c.7 PCI bridge: Intel Corporation Ibex Peak PCI Express Root Port 8 (rev 05) 00:1d.0 USB Controller: Intel Corporation Ibex Peak USB2 Enhanced Host Controller (rev 05) 00:1e.0 PCI bridge: Intel Corporation 82801 PCI Bridge (rev a5) 00:1f.0 ISA bridge: Intel Corporation Ibex Peak LPC Interface Controller (rev 05) 00:1f.2 IDE interface: Intel Corporation Ibex Peak 4 port SATA IDE Controller (rev 05) 00:1f.3 SMBus: Intel Corporation Ibex Peak SMBus Controller (rev 05) 00:1f.5 IDE interface: Intel Corporation Ibex Peak 2 port SATA IDE Controller (rev 05) 01:00.0 VGA compatible controller: nVidia Corporation GeForce 8400 GS (rev a1) 06:00.0 Multimedia audio controller: Creative Labs SB Live! EMU10k1 (rev 07) 06:00.1 Input device controller: Creative Labs SB Live! Game Port (rev 07) 06:01.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL-8139/8139C/8139C+ (rev 10) 06:03.0 FireWire (IEEE 1394): Texas Instruments TSB43AB22/A IEEE-1394a-2000 Controller (PHY/Link) root@mzeeshan-desktop:/home/mzeeshan# Motherboard is Intel DP55WG. I don't know what to do next. Any help will be greatly appreciated.. Thanks

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  • Gparted Partition Mount Points Alternate Between 2 Physical Disk Drives

    - by California Ken
    I'm running Ubuntu Server 14.04 on a system with 2 physical disk drives. I am frequently seeing mount errors on startup. When I check the drive partitions using GPARTED, I see that my two "non-system created" data partitions have the wrong disk assignments (i.e. sda1 vs sdb1) or visa-versa. If I hand edit /etc/fstab to match GPARTED, the system will boot error free one time. On the second restart I will get the "serious mount problem" error for the 2 data partitions and when I check GPARTED, the disk assignments have changed again (again, GPARTED and fstab don't match). A listing of my /etc/fstab is: /etc/fstab: static file system information. # Use 'blkid' 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). # / was on /dev/sdb2 during installation UUID=766a06a4-e5af-484a-adf0-fa1e88da7212 / ext4 errors=remount-ro,user_xattr,acl,barrier=1 0 1 swap was on /dev/sda6 during installation UUID=8c42f835-ead3-43fb-88d8-196f5dfc3aa7 none swap sw 0 0 swap was on /dev/sdb3 during installation UUID=2214deec-ba98-47da-aea7-4e46998f3e57 none swap sw 0 0 /dev/fd0 /media/floppy0 auto rw,user,noauto,exec,utf8 0 0 /dev/sda1 /media/ken/Linux-Data ext3 defaults 0 2 /dev/sda5 /media/ken/Data2 ext4 defaults 0 2 The device designations in the last 2 lines are the ones in question. The fstab entries to NOT change between system restarts but the mount points in the GPARTED display do. Does anyone have a fix for this? Thanks Mr. Young and Mr Gedak, Following is my fstab file and two blkid outputs. The fstab output is correct. The first blkid output was after a reboot and is WRONG! The sda and sdb device partition data is reversed. The 2nd blkid output was after a second reboot (fstab not changed). It shows the sda and adb partition data CORRECTLY. I didn't see any duplicate UUIDs. Does anyone have any idea why the GPARTED and blkid outputs alternate on consecutive reboots? The alternating partition data is real since when the partition assignments are reversed, the boot sequence halts with disk mounting errers (I have to press "s" to skip the mounts). Thanks again. Ken I copied the contents of a text file showing my fstab and 2 blkid outputs. The text file contents show up in the text entry box but does not appear in the main body of the question. Is there a way I can attach the text file or edit this question so that the text is displayed for question viewers?

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  • Update pizza orders list [on hold]

    - by tirengarfio
    I have to create a website to order pizzas using PHP, MySQL, javascript, etc. I have to create also an android app for the owner of the restaurant, so when someone order a pizza, the android app show the new order on the list of the orders. Hwo to do this? Should I use push notifications? If yes, what happens when the connection su**s and the device is not connected at the moment of the push? Or should I use pull requests from the android device like every 10 seconds?

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  • Enabling "AllowDualLinkModes" in xorg.conf

    - by Gausie
    I'm using a GeForce GT 620 (which is dual-link compatable) and a DVI-I dual-link splitter to try to have a desktop extended onto two monitors. At the moment when I plug in the monitors, only the monitor on the female VGA marked "1" gets a signal, and the other screen gets nothing and only one screen is detected by nvidia-settings. After reading around, I have realised that my graphics card probably comes with dual-link disabled by default, and I can enable it by adding an "AllowDualLinkModes" option to my xorg.conf. This is the current state of my xorg.conf Section "Device" Identifier "Default Device" Option "NoLogo" "True" EndSection Where do I put the line about AllowDualLinkModes? Do I create a new Section? Have I misunderstood? Cheers Gausie

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