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• how to write regular expression to validate a string using regex in C#

  - by Charu

  I need to validate a user input based on condition. i wrote a regular expression to do so, but it's failing not sure why. Can somebody point where i am making mistake? Regex AccuracyCodeHexRegex = new Regex(@"^[PTQA]((0|8)[01234567]){2}$"); This is what i am trying to validate(If the string is a subset of these strings then it is valid): Phh, Thh, Qhh, Ahh where 'h' is a hex digit in the set {00, 80, 01, 81, 02, 82, 03, 83, 04, 84, 05, 85, 06, 86, 07, 87} Ex: P00 is valid P20 is not valid

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• php printing and updation in to db

  - by DAFFODIL

  I have few values existing in data base,i need to update them but,i am unable to do it. UPDATE Phone SET dcno='1' WHERE number='1' AND date='12/03/2009' AND dcnodate='11/05/2009' AND yourorderno='1' AND orderdate='23/06/2010' AND vendorcode='2222 Couldn't execute query: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near ''2222' at line 3 I also need to print 3db value in to one form,i m unable to do it. Any help ii be appreciated. http://dpaste.com/hold/185341/

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• Get top 'n' records by report_id

  - by Skudd

  I have a simple view in my MSSQL database. It consists of the following fields: report_id INT ym VARCHAR -- YYYY-MM keyword VARCHAR(MAX) visits INT I can easily get the top 10 keyword hits with the following query: SELECT TOP 10 * FROM top_keywords WHERE ym BETWEEN '2010-05' AND '2010-05' ORDER BY visits DESC Now where it gets tricky is where I have to get the top 10 records for each report_id in the given date range (ym BETWEEN @start_date AND @end_date). How would I go about getting the top 10 for each report_id? I've stumbled across suggestions involving the use of ROW_NUMBER() and RANK(), but have been vastly unsuccessful in their implementation.

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• script to delete all /n number of lines starting from a word except last line

  - by akvikram

  how to delete all lines below a word except last line in a file. suppose i have a file which contains | 02/04/2010 07:24:20 | 20-24 | 26 | 13 | 2.60 | | 02/04/2010 07:24:25 | 25-29 | 6 | 3 | 0.60 | +---------------------+-------+------------+----------+-------------+ 02-04-2010-07:24 --- ER GW 03 +---------------------+-------+------------+----------+-------------+ | date | sec | BOTH_MO_MT | MO_or_MT | TPS_PER_SEC | +---------------------+-------+------------+----------+-------------+ | 02/04/2010 07:00:00 | 00-04 | 28 | 14 | 2.80 | | 02/04/2010 07:00:05 | 05-09 | 27 | 14 | 2.70 | ... ... ... ... END OF TPS PER 5 REPORT and i need to delete all contents from "02-04-2010-07:24 --- ER GW 03" except "END OF TPS PER 5 REPORT" and save the file. This has to be done for around 700 files. all files are same format, with datemonthday filename.

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• Adding Values to a Byte Array

  - by rross

  I'm starting with the two values below: finalString = "38,05,e1,5f,aa,5f,aa,d0"; string[] holder = finalString.Split(','); I'm looping thru holder like so: foreach (string item in holder) { //concatenate 0x and add the value to a byte array } On each iteration I would like to concatenate a 0x to make it a hex value and add it to a byte array. This is what I want the byte array to be like when I finish the loop: byte[] c = new byte[]{0x38,0x05,0xe1,0x5f,0xaa,0x5f,0xaa,0xd0}; So far all my attempts have not been successful. Can someone point me in the right direction?

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• remove a varchar2 string from the middle of table data values

  - by Michelle Daniel

  Data in the file_name field of the generation table should be an assigned number, then _01, _02, or _03, etc. and then .ldf (example 82617_01.pdf). Somewhere, the program is putting a state name and sometimes a date/time stamp, between the assigned number and the 01, 02, etc. (82617_ALABAMA_01.pdf or 19998_MAINE_07-31-2010_11-05-59_AM.pdf or 5485325_OREGON_01.pdf for example). We would like to develop an SQL statement to find the bad file names and fix them. In theory it seems rather simple to find file_names that include a varchar2 data type and remove it, but putting the statement together is beyond me. Any help or suggestions apprecuiated. Something like ........... UPDATE GENERATION SET FILE_NAME (?) WHERE FILE_NAME (?...LIKE '%STRING%');?

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• Exploding a range of dates with LINQ

  - by Robert Gowland

  If I have a pair of dates, and I want to generate a list of all the dates between them (inclusive), I can do something like: System.DateTime s = new System.DateTime(2010, 06, 05); System.DateTime e = new System.DateTime(2010, 06, 09); var list = Enumerable.Range(0, (e - s).Days) .Select(value => s.AddDays(value)); What I'm stuck on is that I've got a list of pairs of dates that I want to explode into a list of all the dates between them. Example: {2010-05-06, 2010-05-09}, {2010-05-12, 2010-05-15} should result in {2010-05-06, 2010-05-07, 2010-05-08, 2010-05-09, 2010-05-12, 2010-05-13, 2010-05-14, 2010-05-15} Note the pairs of dates are guaranteed not to overlap each other.

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• SQL - Please Help - How can I select values from different rows depending on the most recent entry

  - by user321185

  Hiya, Basically I have a table which is used to hold employee work wear details. It is formed of the columns: EmployeeID, CostCentre, AssociateLevel, IssueDate, TrouserSize, TrouserLength, TopSize & ShoeSize. An employee can be assigned a pair of trousers, a top and shoes at the same time or only one or two pieces of clothing. As we all know sepeoples sizes and employee levels can change which is why I need help really. I need to be able to select the most recent clothes size and associate level for each item of clothing for each employee. So for example if employee '54664LSS' was given a pair of 'XL' trousers and a 'L' top on 24/03/11 but then received a 'M' top on 26/05/10. Then the values of the 'M' sized top and the 'L' sized trousers would need to be returned. Any help would be greatly appreciated as I'm pretty stuck :(. Thanks.

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• Javascript code for serial img loading

  - by Surfer

  Hi everyone, I am new to javascript. I want a javascript code with which i can load an image which is named for every day/month/year. in a serial i have the following code : var year = new Array(); year = ["08", "09", "10", "11"]; var month = new Array(); month = ["JAN", "FEB", "MAR", "APR", "MAY", "JUN", "JULY", "AUG", "SEP", "OCT", "NOV", "DEC"]; var date = new Array(); date = ["01", "02", "03", "04", "05", "06", "07", "08", "09", "10", "11", "12", "13", "14", "15", "16", "17", "18", "19", "20", "21", "22", "23", "24", "25", "26", "27", "28", "29", "30", "31"]; var ims = ""; for (var x in year) { for (var y in month) { for (var z in date) { ims += "<im src=screencover/img/" + date[z] + "" + month[y] + "20" + year[0] + ".png>"; } } } document.write(ims);

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• Stocket server crashing with unhandled exception

  - by Rob

  We have a c# (3.5 framework) socket server which is a console app, after about 3000 connections (or less, it's quite random), we get an unhandled exception which crashes the app completely. We're really struggling to find out what's happening and where, the only info we get is below, can anyone shed any light? It should be noted that EVERYTHING is wrapped up in try catch{} Description: Stopped working Problem signature: Problem Event Name: CLR20r3 Problem Signature 01: qrushrserver.exe Problem Signature 02: 1.0.0.0 Problem Signature 03: 4bf56a0c Problem Signature 04: System Problem Signature 05: 2.0.0.0 Problem Signature 06: 49cc5ec9 Problem Signature 07: 2c0b Problem Signature 08: 40 Problem Signature 09: System.Net.Sockets.Socket OS Version: 6.0.6002.2.2.0.1296.17 Locale ID: 2057 Faulting application app_name.exe, version 1.0.0.0, time stamp 0x4bf56a0c, faulting module mscorwks.dll, version 2.0.50727.4200, time stamp 0x4a9ee32d, exception code 0xc0000005, fault offset 0x00000000001c89ca, process id 0x%9, application start time 0x%10. .NET Runtime version 2.0.50727.4200 - Fatal Execution Engine Error (000007FEF8E4664E) (80131506)

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• Using a framework in a PreferencePane

  - by Jonathan

  Hi, i am currently trying to implement a "third party framework" (FeedbackReporter.Framework) into my preferencepane. Unfortunately I am getting the following error all the time when trying to launch my preference pane: 16.05.10 23:13:30 System Preferences[32645] dlopen_preflight failed with dlopen_preflight(/Users/me/Library/PreferencePanes/myPane.prefPane/Contents/MacOS/myPane): Library not loaded: @executable_path/../Frameworks/FeedbackReporter.framework/Versions/A/FeedbackReporter Referenced from: /Users/me/Library/PreferencePanes/myPane.prefPane/Contents/MacOS/myPane Reason: image not found for /Users/me/Library/PreferencePanes/myPane.prefPane As far as I read so far, this problem is probably caused because my prefPane is no actual app, but a "plugin" of "System Settings.app" and thus @executable_path resolves to a path within the bundle of this app, instead of the bundle of my prefpane. But I don't really picked up howto fix this problem. I guess it must be fairly easy since it should be a usual case that people use non-apple-frameworks in PreferencePanes. Thanks for your hints!

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• Android:simulating 1-bit display

  - by user1681805

  I'm new to Android,trying to build a simple game which use 1-bit black and white display.the screen dimension is 160 * 80,that is 12800 pixels.I created a byte array for the "VRAM",so each time it draws,it first checks the array. The thing is that I am not drawing a point or rectangle for each pixel,I'm using 2 bitmaps(ARGB_4444,I have to use alpha channel,because of shadow effect),1 for positive and 1 for negative.So I called 12800 times drawBitmap() in the surfaceView's Draw method.I know that's silly...But even for openGL,12800 quards won't be that fast right? Sorry..I cannot post imgs.the link of screenshot:http://i1014.photobucket.com/albums/af267/baininja/Screenshot_2013-10-22-01-05-36_zps91dbcdef.png should i totally give up this and draw points on a 160*80 bitmap then scale it to intented size?But that loses the visual effects.

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• PHP strtotime() setting date to default

  - by Paddyd

  I have a script which is reading values from an excel sheet and inserting them into an sql table. My problem is when the script reads in some of the date fields it is setting them to a default value : 1970-01-01 01:00:00 I have noticed that this is happening when it comes across a date where the 'day' is greater than 12 : 13/05/2012 18:52:33 (dd-mm-yyyy hh-mm-ss) I thought this may be due to the script thinking that this is the month field (i.e american format) and it sees it as an invalid value, so I set the default timezone to my own hoping it may resolve the problem but it made no difference. date_default_timezone_set('Europe/Dublin'); Here is an example of what my code is doing: Excel field value : 01/05/2012 18:32:45 Script: $start_time = $data->val($x,5); echo $start_time = date("Y-m-d H:i:s", strtotime($start_time)); Output: 2012-01-05 18:32:45 This is the exact format I am looking for (except for the fact that the day and month fields are switched around i.e american date format) but it doesnt work for the type of dates I mentioned above.

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• How to map one class against multiple tables with SQLAlchemy?

  - by tote

  Lets say that I have a database structure with three tables that look like this: items - item_id - item_handle attributes - attribute_id - attribute_name item_attributes - item_attribute_id - item_id - attribute_id - attribute_value I would like to be able to do this in SQLAlchemy: item = Item('item1') item.foo = 'bar' session.add(item) session.commit() item1 = session.query(Item).filter_by(handle='item1').one() print item1.foo # => 'bar' I'm new to SQLAlchemy and I found this in the documentation (http://www.sqlalchemy.org/docs/05/mappers.html#mapping-a-class-against-multiple-tables): j = join(items, item_attributes, items.c.item_id == item_attributes.c.item_id). \ join(attributes, item_attributes.c.attribute_id == attributes.c.attribute_id) mapper(Item, j, properties={ 'item_id': [items.c.item_id, item_attributes.c.item_id], 'attribute_id': [item_attributes.c.attribute_id, attributes.c.attribute_id], }) It only adds item_id and attribute_id to Item and its not possible to add attributes to Item object. Is what I'm trying to achieve possible with SQLAlchemy? Is there a better way to structure the database to get the same behaviour of "dynamic columns"?

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• Thread 0 crashed with X86 Thread State (32-bit): in cocoa Application

  - by John

  I am doing crash fixing in an osx application .The crash report shows Date/Time: 2012-05-01 16:05:58.004 +0200 OS Version: Mac OS X 10.5.8 (9L31a) Exception Type: EXC_BAD_ACCESS (SIGSEGV) Exception Codes: KERN_INVALID_ADDRESS at 0x00000000545f5f00 Crashed Thread: 8 Thread 8 crashed with X86 Thread State (32-bit): eax: 0x140e0850 ebx: 0x00060fc8 ecx: 0x92df0ec0 edx: 0xc0000003 edi: 0x545f5f00 esi: 0x140e0870 ebp: 0xb0445988 esp: 0xb0445964 ss: 0x0000001f efl: 0x00010206 eip: 0x92dca68c cs: 0x00000017 ds: 0x0000001f es: 0x0000001f fs: 0x0000001f gs: 0x00000037 cr2: 0x545f5f00 How to tares the application code with this report? what is Thread 0 crashed with X86 Thread State (32-bit)? if anybody know please help me. Thanks in advance.

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• Centos/OVH: public IP on KVM virtual machine

  - by Sébastien

  Since a few days, I'm trying to configure my KVM vm to have a public IP address, without any success. First, I'm on OVH, and you need to know they don't allow networking from different mac addresses. I have so registered a virtual mac address associated with my failover IP Here's my configuration: Guest wanted IP: 46.105.40.x Host IP: 176.31.240.x Host configuration dummy0 interface: ifcfg-dummy0 BOOTPROTO=static IPADDR=10.0.0.1 NETMASK=255.0.0.0 ONBOOT=yes NM_CONTROLLED=no ARP=yes BRIDGE=br0 br0 bridge: ifcfg-br0 DEVICE=br0 TYPE=Bridge DELAY=0 ONBOOT=yes BOOTPROTO=static IPADDR=192.168.1.1 NETMASK=255.255.255.0 PEERDNS=yes NM_CONTROLLED=no ARP=yes Failover ip is redirected to the br0 bridge with ip route add 46.105.40.xxx dev br0 > cat /proc/sys/net/ipv4/ip_forward 1 > cat /proc/sys/net/ipv4/conf/vnet0/proxy_arp 1 > route -n Destination Gateway Genmask Flags Metric Ref Use Iface 0.0.0.0 176.31.240.254 0.0.0.0 UG 0 0 0 eth0 46.105.40.x 0.0.0.0 255.255.255.255 UH 0 0 0 br0 176.31.240.0 0.0.0.0 255.255.255.0 U 0 0 0 eth0 192.168.1.0 0.0.0.0 255.255.255.0 U 0 0 0 br0 Guest configuration: KVM: <interface type='bridge'> <mac address='02:00:00:30:22:05'/> <source bridge='br0'/> <address type='pci' domain='0x0000' bus='0x00' slot='0x06' function='0x0'/> </interface> I've borrowed most of the OVH configuration here (in french, http://guides.ovh.com/BridgeClient) for the guest configuration eth0 interface: ifcfg-eth0 DEVICE="eth0" BOOTPROTO=none HWADDR="02:00:00:30:22:05" NM_CONTROLLED="yes" ONBOOT="yes" TYPE="Ethernet" UUID="e9138469-0d81-4ee6-b5ab-de0d7d17d1c8" USERCTL=no PEERDNS=yes IPADDR=46.105.40.xxx NETMASK=255.255.255.255 GATEWAY=176.31.240.254 ARP=yes For the routes, I have in route-eth0: 176.31.240.254 dev eth0 default via 176.31.240.254 dev eth0 With this configuration, I don't have any access to the internet. The only thing I can do is to ping the public ip of the host, nothing more. My final conclusion is that the route does not work, because, when, on the guest, I run ping 8.8.8.8, I have, on the host: > tcpdump -i vnet0 icmp tcpdump: verbose output suppressed, use -v or -vv for full protocol decode listening on br0, link-type EN10MB (Ethernet), capture size 65535 bytes 13:38:09.009324 IP 46-105-40-xxx.kimsufi.com > google-public-dns-a.google.com: ICMP echo request, id 50183, seq 1, length 64 13:38:09.815344 IP 46-105-40-xxx.kimsufi.com > google-public-dns-a.google.com: ICMP echo request, id 50183, seq 2, length 64 I never get the ping reply, only the request. It seems Guest - Host communication is fine. On eth0: > tcpdump -i eth0 icmp tcpdump: verbose output suppressed, use -v or -vv for full protocol decode listening on eth0, link-type EN10MB (Ethernet), capture size 65535 bytes 13:39:40.240561 IP 46-105-40-xxx.kimsufi.com > google-public-dns-a.google.com: ICMP echo request, id 50439, seq 1, length 64 13:39:40.250161 IP google-public-dns-a.google.com > 46-105-40-xxx.kimsufi.com: ICMP echo reply, id 50439, seq 1, length 64 I have the request and the reply on eth0, but reply is not forwarded to the bridge. I really don't understand why, I though it was the aim of the route to do that! IPtables is disabled on both host and guest. I really hope some of you will be able to help me! Many thanks in advance, Sébastien

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• ASP.NET MVC – Unit Testing JsonResult Returning Anonymous Types

  - by HeartattacK

  In this article, Ashic shows a few approaches to unit testing JsonResults that wrap anonymous types in ASP.NET MVC. Note: Crossposted from http://www.heartysoft.com/post/2010/05/25/ASPNET-MVC-Unit-Testing-JsonResult-Returning-Anonymous-Types.aspx

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• Diving into OpenStack Network Architecture - Part 1

  - by Ronen Kofman

  v\:* {behavior:url(#default#VML);} o\:* {behavior:url(#default#VML);} w\:* {behavior:url(#default#VML);} .shape {behavior:url(#default#VML);} rkofman Normal rkofman 83 3045 2014-05-23T21:11:00Z 2014-05-27T06:58:00Z 3 1883 10739 Oracle Corporation 89 25 12597 12.00 140 Clean Clean false false false false EN-US X-NONE HE MicrosoftInternetExplorer4 /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-qformat:yes; mso-style-parent:""; mso-padding-alt:0in 5.4pt 0in 5.4pt; mso-para-margin-top:0in; mso-para-margin-right:0in; mso-para-margin-bottom:10.0pt; mso-para-margin-left:0in; line-height:115%; mso-pagination:widow-orphan; font-size:11.0pt; font-family:"Calibri","sans-serif"; mso-ascii-font-family:Calibri; mso-ascii-theme-font:minor-latin; mso-hansi-font-family:Calibri; mso-hansi-theme-font:minor-latin; mso-bidi-font-family:Arial; mso-bidi-theme-font:minor-bidi; mso-bidi-language:AR-SA;} Before we begin OpenStack networking has very powerful capabilities but at the same time it is quite complicated. In this blog series we will review an existing OpenStack setup using the Oracle OpenStack Tech Preview and explain the different network components through use cases and examples. The goal is to show how the different pieces come together and provide a bigger picture view of the network architecture in OpenStack. This can be very helpful to users making their first steps in OpenStack or anyone wishes to understand how networking works in this environment.  We will go through the basics first and build the examples as we go. According to the recent Icehouse user survey and the one before it, Neutron with Open vSwitch plug-in is the most widely used network setup both in production and in POCs (in terms of number of customers) and so in this blog series we will analyze this specific OpenStack networking setup. As we know there are many options to setup OpenStack networking and while Neturon + Open vSwitch is the most popular setup there is no claim that it is either best or the most efficient option. Neutron + Open vSwitch is an example, one which provides a good starting point for anyone interested in understanding OpenStack networking. Even if you are using different kind of network setup such as different Neutron plug-in or even not using Neutron at all this will still be a good starting point to understand the network architecture in OpenStack. The setup we are using for the examples is the one used in the Oracle OpenStack Tech Preview. Installing it is simple and it would be helpful to have it as reference. In this setup we use eth2 on all servers for VM network, all VM traffic will be flowing through this interface.The Oracle OpenStack Tech Preview is using VLANs for L2 isolation to provide tenant and network isolation. The following diagram shows how we have configured our deployment: This first post is a bit long and will focus on some basic concepts in OpenStack networking. The components we will be discussing are Open vSwitch, network namespaces, Linux bridge and veth pairs. Note that this is not meant to be a comprehensive review of these components, it is meant to describe the component as much as needed to understand OpenStack network architecture. All the components described here can be further explored using other resources. Open vSwitch (OVS) In the Oracle OpenStack Tech Preview OVS is used to connect virtual machines to the physical port (in our case eth2) as shown in the deployment diagram. OVS contains bridges and ports, the OVS bridges are different from the Linux bridge (controlled by the brctl command) which are also used in this setup. To get started let’s view the OVS structure, use the following command: # ovs-vsctl show 7ec51567-ab42-49e8-906d-b854309c9edf     Bridge br-int         Port br-int             Interface br-int type: internal         Port "int-br-eth2"             Interface "int-br-eth2"     Bridge "br-eth2"         Port "br-eth2"             Interface "br-eth2" type: internal         Port "eth2"             Interface "eth2"         Port "phy-br-eth2"             Interface "phy-br-eth2" ovs_version: "1.11.0" We see a standard post deployment OVS on a compute node with two bridges and several ports hanging off of each of them. The example above is a compute node without any VMs, we can see that the physical port eth2 is connected to a bridge called “br-eth2”. We also see two ports "int-br-eth2" and "phy-br-eth2" which are actually a veth pair and form virtual wire between the two bridges, veth pairs are discussed later in this post. When a virtual machine is created a port is created on one the br-int bridge and this port is eventually connected to the virtual machine (we will discuss the exact connectivity later in the series). Here is how OVS looks after a VM was launched: # ovs-vsctl show efd98c87-dc62-422d-8f73-a68c2a14e73d     Bridge br-int         Port "int-br-eth2"             Interface "int-br-eth2"         Port br-int             Interface br-int type: internal         Port "qvocb64ea96-9f" tag: 1             Interface "qvocb64ea96-9f"     Bridge "br-eth2"         Port "phy-br-eth2"             Interface "phy-br-eth2"         Port "br-eth2"             Interface "br-eth2" type: internal         Port "eth2"             Interface "eth2" ovs_version: "1.11.0" Bridge "br-int" now has a new port "qvocb64ea96-9f" which connects to the VM and tagged with VLAN 1. Every VM which will be launched will add a port on the “br-int” bridge for every network interface the VM has. Another useful command on OVS is dump-flows for example: # ovs-ofctl dump-flows br-int NXST_FLOW reply (xid=0x4): cookie=0x0, duration=735.544s, table=0, n_packets=70, n_bytes=9976, idle_age=17, priority=3,in_port=1,dl_vlan=1000 actions=mod_vlan_vid:1,NORMAL cookie=0x0, duration=76679.786s, table=0, n_packets=0, n_bytes=0, idle_age=65534, hard_age=65534, priority=2,in_port=1 actions=drop cookie=0x0, duration=76681.36s, table=0, n_packets=68, n_bytes=7950, idle_age=17, hard_age=65534, priority=1 actions=NORMAL As we see the port which is connected to the VM has the VLAN tag 1. However the port on the VM network (eth2) will be using tag 1000. OVS is modifying the vlan as the packet flow from the VM to the physical interface. In OpenStack the Open vSwitch agent takes care of programming the flows in Open vSwitch so the users do not have to deal with this at all. If you wish to learn more about how to program the Open vSwitch you can read more about it at http://openvswitch.org looking at the documentation describing the ovs-ofctl command. Network Namespaces (netns) Network namespaces is a very cool Linux feature can be used for many purposes and is heavily used in OpenStack networking. Network namespaces are isolated containers which can hold a network configuration and is not seen from outside of the namespace. A network namespace can be used to encapsulate specific network functionality or provide a network service in isolation as well as simply help to organize a complicated network setup. Using the Oracle OpenStack Tech Preview we are using the latest Unbreakable Enterprise Kernel R3 (UEK3), this kernel provides a complete support for netns. Let's see how namespaces work through couple of examples to control network namespaces we use the ip netns command: Defining a new namespace: # ip netns add my-ns # ip netns list my-ns As mentioned the namespace is an isolated container, we can perform all the normal actions in the namespace context using the exec command for example running the ifconfig command: # ip netns exec my-ns ifconfig -a lo        Link encap:Local Loopback           LOOPBACK  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) We can run every command in the namespace context, this is especially useful for debug using tcpdump command, we can ping or ssh or define iptables all within the namespace. Connecting the namespace to the outside world: There are various ways to connect into a namespaces and between namespaces we will focus on how this is done in OpenStack. OpenStack uses a combination of Open vSwitch and network namespaces. OVS defines the interfaces and then we can add those interfaces to namespace. So first let's add a bridge to OVS: # ovs-vsctl add-br my-bridge Now let's add a port on the OVS and make it internal: # ovs-vsctl add-port my-bridge my-port # ovs-vsctl set Interface my-port type=internal And let's connect it into the namespace: # ip link set my-port netns my-ns Looking inside the namespace: # ip netns exec my-ns ifconfig -a lo        Link encap:Local Loopback           LOOPBACK  MTU:65536 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) my-port   Link encap:Ethernet HWaddr 22:04:45:E2:85:21           BROADCAST  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) Now we can add more ports to the OVS bridge and connect it to other namespaces or other device like physical interfaces. Neutron is using network namespaces to implement network services such as DCHP, routing, gateway, firewall, load balance and more. In the next post we will go into this in further details. Linux Bridge and veth pairs Linux bridge is used to connect the port from OVS to the VM. Every port goes from the OVS bridge to a Linux bridge and from there to the VM. The reason for using regular Linux bridges is for security groups’ enforcement. Security groups are implemented using iptables and iptables can only be applied to Linux bridges and not to OVS bridges. Veth pairs are used extensively throughout the network setup in OpenStack and are also a good tool to debug a network problem. Veth pairs are simply a virtual wire and so veths always come in pairs. Typically one side of the veth pair will connect to a bridge and the other side to another bridge or simply left as a usable interface. In this example we will create some veth pairs, connect them to bridges and test connectivity. This example is using regular Linux server and not an OpenStack node: Creating a veth pair, note that we define names for both ends: # ip link add veth0 type veth peer name veth1 # ifconfig -a . . veth0     Link encap:Ethernet HWaddr 5E:2C:E6:03:D0:17           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:1000           RX bytes:0 (0.0 b)  TX bytes:0 (0.0 b) veth1     Link encap:Ethernet HWaddr E6:B6:E2:6D:42:B8           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:1000           RX bytes:0 (0.0 b)  TX bytes:0 (0.0 b) . . To make the example more meaningful this we will create the following setup: veth0 => veth1 => br-eth3 => eth3 ======> eth2 on another Linux server br-eth3 – a regular Linux bridge which will be connected to veth1 and eth3 eth3 – a physical interface with no IP on it, connected to a private network eth2 – a physical interface on the remote Linux box connected to the private network and configured with the IP of 50.50.50.1 Once we create the setup we will ping 50.50.50.1 (the remote IP) through veth0 to test that the connection is up: # brctl addbr br-eth3 # brctl addif br-eth3 eth3 # brctl addif br-eth3 veth1 # brctl show bridge name     bridge id               STP enabled     interfaces br-eth3         8000.00505682e7f6       no              eth3                                                         veth1 # ifconfig veth0 50.50.50.50 # ping -I veth0 50.50.50.51 PING 50.50.50.51 (50.50.50.51) from 50.50.50.50 veth0: 56(84) bytes of data. 64 bytes from 50.50.50.51: icmp_seq=1 ttl=64 time=0.454 ms 64 bytes from 50.50.50.51: icmp_seq=2 ttl=64 time=0.298 ms When the naming is not as obvious as the previous example and we don't know who are the paired veth interfaces we can use the ethtool command to figure this out. The ethtool command returns an index we can look up using ip link command, for example: # ethtool -S veth1 NIC statistics: peer_ifindex: 12 # ip link . . 12: veth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP qlen 1000 Summary That’s all for now, we quickly reviewed OVS, network namespaces, Linux bridges and veth pairs. These components are heavily used in the OpenStack network architecture we are exploring and understanding them well will be very useful when reviewing the different use cases. In the next post we will look at how the OpenStack network is laid out connecting the virtual machines to each other and to the external world. @RonenKofman

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• Linq Tutorial

  - by SAMIR BHOGAYTA

  Microsoft LINQ Tutorials http://www.deitel.com/ResourceCenters/Programming/MicrosoftLINQ/Tutorials/tabid/2673/Default.aspx Introducing C# 3 – Part 4 LINQ http://www.programmersheaven.com/2/CSharp3-4 101 LINQ Samples http://msdn.microsoft.com/en-us/vcsharp/aa336746.aspx What is LinQ http://www.dotnetspider.com/forum/173039-what-linq-net.aspx Beginners Guides http://www.progtalk.com/viewarticle.aspx?articleid=68 http://www.programmersheaven.com/2/CSharp3-4 http://dotnetslackers.com/articles/csharp/introducinglinq1.aspx Using Linq http://weblogs.asp.net/scottgu/archive/2006/05/14/446412.aspx Step By Step Articles http://www.codeproject.com/KB/linq/linqtutorial.aspx http://www.codeproject.com/KB/linq/linqtutorial2.aspx http://www.codeproject.com/KB/linq/linqtutorial3.aspx

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• Don’t forget the London SQL Social tomorrow evening - all things SQL Server and beyond

  - by simonsabin

  Its not too late to register for the SQLSocial event in London on Tuesday (7th June, tomorrow). This is a must attend event for anyone that wants to know what’s coming with SQL Server in the next release or are considering SQL Azure. You can register here http://sqlsocial20110607.eventbrite.com/ For full details of the event go to http://www.sqlsocial.com/Events/11-05-09/An_evening_with_the_SQL_Server_Leadership_Team.aspx...(read more)

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• Microsoft gets a first for it&rsquo;s cloud security

  - by TATWORTH

  Originally posted on: http://geekswithblogs.net/TATWORTH/archive/2014/05/21/microsoft-gets-a-first-for-itrsquos-cloud-security.aspxAt http://blogs.technet.com/b/microsoft_blog/archive/2014/04/10/privacy-authorities-across-europe-approve-microsoft-s-cloud-commitments.aspx, the official Microsoft Blog by Brad Smith records that Microsoft now has approval by european data protection authorities that Microsoft’s Cloud Contracts meets EU data protection law.

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• Don’t forget the usergroup meeting in London on Tuesday

  - by simonsabin

  Its not too late to register for the SQLSocial event in London on Tuesday. This is a must attend event for anyone that wants to know whats coming with SQL Server in the next release or are considering SQL Azure. You can register here http://sqlsocial20110607.eventbrite.com/ For full details of the event go to http://www.sqlsocial.com/Events/11-05-09/An_evening_with_the_SQL_Server_Leadership_Team.aspx...(read more)

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• .NET Reflector 7.2 Early Access Build 2 Released: Performance Critical

  - by Bart Read

  I've just posted a write-up of some of the performance tuning I've done to improve .NET Reflector 7.2's start-up time here: http://www.reflector.net/2011/05/net-reflector-7-start-up-time-running-out-of-gas-or-pedal-to-the-metal/ You can get the new build from the .NET Reflector homepage at http://www.reflector.net/. Please remember to give us your feedback in the forum, at http://forums.reflector.net/, using the tags #7.2 and #eap. Technorati Tags: reflector,early access,7.2

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• How to deal with configuration style warnings occuring from TexLive 2012 installation?

  - by JJD

  I followed the advice of izx on how to install TexLive 2012 using the texlive-backports PPA. Before I started I removed all TexLive-related packages. The installation finished and everything seems to work fine. The only thing I noticed are some warnings in the output of the installer. Here is an excerpt of the output: Warning: Old configuration style found in /etc/texmf/updmap.d Warning: For now these files have been included, Warning: but expect inconsistencies. Warning: These packages should be rebuild with tex-common. Warning: Please see /usr/share/doc/tex-common/NEWS.Debian.gz Warning: found file: /etc/texmf/updmap.d/10lmodern.cfg There are more of that kind in the rest of the output: $ sudo apt-get install texlive Reading package lists... Done Building dependency tree Reading state information... Done The following extra packages will be installed: latex-beamer latex-xcolor libgraphite3 libkpathsea6 libptexenc1 lmodern pgf prosper ps2eps tex-common tex-gyre texlive-base texlive-binaries texlive-common texlive-doc-base texlive-extra-utils texlive-font-utils texlive-fonts-recommended texlive-fonts-recommended-doc texlive-generic-recommended texlive-latex-base texlive-latex-base-doc texlive-latex-recommended texlive-latex-recommended-doc texlive-pstricks texlive-pstricks-doc tipa ttf-marvosym Suggested packages: texlive-doc-en purifyeps chktex latexmk dvipng xindy dvidvi fragmaster lacheck latexdiff t1utils The following NEW packages will be installed: latex-beamer latex-xcolor libgraphite3 libkpathsea6 libptexenc1 lmodern pgf prosper ps2eps tex-common tex-gyre texlive texlive-base texlive-binaries texlive-common texlive-doc-base texlive-extra-utils texlive-font-utils texlive-fonts-recommended texlive-fonts-recommended-doc texlive-generic-recommended texlive-latex-base texlive-latex-base-doc texlive-latex-recommended texlive-latex-recommended-doc texlive-pstricks texlive-pstricks-doc tipa ttf-marvosym 0 upgraded, 29 newly installed, 0 to remove and 17 not upgraded. Need to get 0 B/274 MB of archives. After this operation, 450 MB of additional disk space will be used. Do you want to continue [Y/n]? Preconfiguring packages ... Selecting previously unselected package tex-common. (Reading database ... 290206 files and directories currently installed.) Unpacking tex-common (from .../tex-common_3.13~ubuntu12.04.1_all.deb) ... Selecting previously unselected package lmodern. Unpacking lmodern (from .../lmodern_2.004.1-5~precise1_all.deb) ... Selecting previously unselected package tex-gyre. Unpacking tex-gyre (from .../tex-gyre_2.004.1-4~precise1_all.deb) ... Selecting previously unselected package libgraphite3. Unpacking libgraphite3 (from .../libgraphite3_1%3a2.3.1-0.2build1_amd64.deb) ... Selecting previously unselected package libkpathsea6. Unpacking libkpathsea6 (from .../libkpathsea6_2012.20120628-1~ubuntu12.04.1_amd64.deb) ... Selecting previously unselected package libptexenc1. Unpacking libptexenc1 (from .../libptexenc1_2012.20120628-1~ubuntu12.04.1_amd64.deb) ... Selecting previously unselected package texlive-common. Unpacking texlive-common (from .../texlive-common_2012.20120611-3~ubuntu12.04.1_all.deb) ... Selecting previously unselected package texlive-binaries. Unpacking texlive-binaries (from .../texlive-binaries_2012.20120628-1~ubuntu12.04.1_amd64.deb) ... Selecting previously unselected package texlive-doc-base. Unpacking texlive-doc-base (from .../texlive-doc-base_2012.20120611-1~ubuntu12.04.1_all.deb) ... Selecting previously unselected package texlive-base. Unpacking texlive-base (from .../texlive-base_2012.20120611-3~ubuntu12.04.1_all.deb) ... Selecting previously unselected package texlive-latex-base. Unpacking texlive-latex-base (from .../texlive-latex-base_2012.20120611-3~ubuntu12.04.1_all.deb) ... Selecting previously unselected package texlive-latex-recommended. Unpacking texlive-latex-recommended (from .../texlive-latex-recommended_2012.20120611-3~ubuntu12.04.1_all.deb) ... Selecting previously unselected package latex-xcolor. Unpacking latex-xcolor (from .../latex-xcolor_2.11-1_all.deb) ... Selecting previously unselected package pgf. Unpacking pgf (from .../archives/pgf_2.10-1_all.deb) ... Selecting previously unselected package latex-beamer. Unpacking latex-beamer (from .../latex-beamer_3.10-1_all.deb) ... Selecting previously unselected package texlive-generic-recommended. Unpacking texlive-generic-recommended (from .../texlive-generic-recommended_2012.20120611-3~ubuntu12.04.1_all.deb) ... Selecting previously unselected package texlive-pstricks. Unpacking texlive-pstricks (from .../texlive-pstricks_2012.20120611-1~ubuntu12.04.1_all.deb) ... Selecting previously unselected package prosper. Unpacking prosper (from .../prosper_1.00.4+cvs.2007.05.01-4_all.deb) ... Selecting previously unselected package ps2eps. Unpacking ps2eps (from .../ps2eps_1.68-1_amd64.deb) ... Selecting previously unselected package ttf-marvosym. Unpacking ttf-marvosym (from .../ttf-marvosym_0.1+dfsg-2_all.deb) ... Selecting previously unselected package texlive-fonts-recommended. Unpacking texlive-fonts-recommended (from .../texlive-fonts-recommended_2012.20120611-3~ubuntu12.04.1_all.deb) ... Selecting previously unselected package texlive. Unpacking texlive (from .../texlive_2012.20120611-3~ubuntu12.04.1_all.deb) ... Selecting previously unselected package texlive-extra-utils. Unpacking texlive-extra-utils (from .../texlive-extra-utils_2012.20120611-1~ubuntu12.04.1_all.deb) ... Selecting previously unselected package texlive-font-utils. Unpacking texlive-font-utils (from .../texlive-font-utils_2012.20120611-1~ubuntu12.04.1_all.deb) ... Selecting previously unselected package texlive-fonts-recommended-doc. Unpacking texlive-fonts-recommended-doc (from .../texlive-fonts-recommended-doc_2012.20120611-3~ubuntu12.04.1_all.deb) ... Selecting previously unselected package texlive-latex-base-doc. Unpacking texlive-latex-base-doc (from .../texlive-latex-base-doc_2012.20120611-3~ubuntu12.04.1_all.deb) ... Selecting previously unselected package texlive-latex-recommended-doc. Unpacking texlive-latex-recommended-doc (from .../texlive-latex-recommended-doc_2012.20120611-3~ubuntu12.04.1_all.deb) ... Selecting previously unselected package texlive-pstricks-doc. Unpacking texlive-pstricks-doc (from .../texlive-pstricks-doc_2012.20120611-1~ubuntu12.04.1_all.deb) ... Selecting previously unselected package tipa. Unpacking tipa (from .../tipa_2%3a1.3-17~precise1_all.deb) ... Processing triggers for doc-base ... Processing 5 added doc-base files... Registering documents with scrollkeeper... Processing triggers for man-db ... Processing triggers for fontconfig ... Processing triggers for install-info ... Setting up tex-common (3.13~ubuntu12.04.1) ... Running mktexlsr. This may take some time... done. texlive-base is not ready, delaying updmap-sys call texlive-base is not ready, skipping fmtutil-sys --all call Setting up lmodern (2.004.1-5~precise1) ... Warning: Old configuration style found in /etc/texmf/updmap.d Warning: For now these files have been included, Warning: but expect inconsistencies. Warning: These packages should be rebuild with tex-common. Warning: Please see /usr/share/doc/tex-common/NEWS.Debian.gz Warning: found file: /etc/texmf/updmap.d/10lmodern.cfg Setting up tex-gyre (2.004.1-4~precise1) ... Warning: Old configuration style found in /etc/texmf/updmap.d Warning: For now these files have been included, Warning: but expect inconsistencies. Warning: These packages should be rebuild with tex-common. Warning: Please see /usr/share/doc/tex-common/NEWS.Debian.gz Warning: found file: /etc/texmf/updmap.d/10lmodern.cfg Setting up libgraphite3 (1:2.3.1-0.2build1) ... Setting up libkpathsea6 (2012.20120628-1~ubuntu12.04.1) ... Setting up libptexenc1 (2012.20120628-1~ubuntu12.04.1) ... Setting up texlive-common (2012.20120611-3~ubuntu12.04.1) ... Setting up texlive-binaries (2012.20120628-1~ubuntu12.04.1) ... update-alternatives: using /usr/bin/xdvi-xaw to provide /usr/bin/xdvi.bin (xdvi.bin) in auto mode. update-alternatives: using /usr/bin/bibtex.original to provide /usr/bin/bibtex (bibtex) in auto mode. mktexlsr: Updating /var/lib/texmf/ls-R-TEXLIVEMAIN... mktexlsr: Updating /var/lib/texmf/ls-R-TEXLIVEDIST... mktexlsr: Updating /var/lib/texmf/ls-R-TEXMFMAIN... mktexlsr: Updating /var/lib/texmf/ls-R... mktexlsr: Done. Building format(s) --refresh. This may take some time... done. Setting up texlive-doc-base (2012.20120611-1~ubuntu12.04.1) ... Warning: Old configuration style found in /etc/texmf/updmap.d Warning: For now these files have been included, Warning: but expect inconsistencies. Warning: These packages should be rebuild with tex-common. Warning: Please see /usr/share/doc/tex-common/NEWS.Debian.gz Warning: found file: /etc/texmf/updmap.d/10lmodern.cfg Setting up ps2eps (1.68-1) ... Setting up ttf-marvosym (0.1+dfsg-2) ... Setting up texlive-fonts-recommended-doc (2012.20120611-3~ubuntu12.04.1) ... Warning: Old configuration style found in /etc/texmf/updmap.d Warning: For now these files have been included, Warning: but expect inconsistencies. Warning: These packages should be rebuild with tex-common. Warning: Please see /usr/share/doc/tex-common/NEWS.Debian.gz Warning: found file: /etc/texmf/updmap.d/10lmodern.cfg Setting up texlive-latex-base-doc (2012.20120611-3~ubuntu12.04.1) ... Warning: Old configuration style found in /etc/texmf/updmap.d Warning: For now these files have been included, Warning: but expect inconsistencies. Warning: These packages should be rebuild with tex-common. Warning: Please see /usr/share/doc/tex-common/NEWS.Debian.gz Warning: found file: /etc/texmf/updmap.d/10lmodern.cfg Setting up texlive-latex-recommended-doc (2012.20120611-3~ubuntu12.04.1) ... Warning: Old configuration style found in /etc/texmf/updmap.d Warning: For now these files have been included, Warning: but expect inconsistencies. Warning: These packages should be rebuild with tex-common. Warning: Please see /usr/share/doc/tex-common/NEWS.Debian.gz Warning: found file: /etc/texmf/updmap.d/10lmodern.cfg Setting up texlive-pstricks-doc (2012.20120611-1~ubuntu12.04.1) ... Warning: Old configuration style found in /etc/texmf/updmap.d Warning: For now these files have been included, Warning: but expect inconsistencies. Warning: These packages should be rebuild with tex-common. Warning: Please see /usr/share/doc/tex-common/NEWS.Debian.gz Warning: found file: /etc/texmf/updmap.d/10lmodern.cfg Processing triggers for tex-common ... Running mktexlsr. This may take some time... done. texlive-base is not ready, delaying updmap-sys call Setting up texlive-base (2012.20120611-3~ubuntu12.04.1) ... mktexlsr: Updating /var/lib/texmf/ls-R-TEXLIVEMAIN... mktexlsr: Updating /var/lib/texmf/ls-R-TEXMFMAIN... mktexlsr: Updating /var/lib/texmf/ls-R... mktexlsr: Done. /usr/bin/tl-paper: setting paper size for dvips to a4. /usr/bin/tl-paper: setting paper size for dvipdfmx to a4. /usr/bin/tl-paper: setting paper size for xdvi to a4. /usr/bin/tl-paper: setting paper size for pdftex to a4. Warning: Old configuration style found in /etc/texmf/updmap.d Warning: For now these files have been included, Warning: but expect inconsistencies. Warning: These packages should be rebuild with tex-common. Warning: Please see /usr/share/doc/tex-common/NEWS.Debian.gz Warning: found file: /etc/texmf/updmap.d/10lmodern.cfg Running mktexlsr. This may take some time... done. Building format(s) --all. This may take some time... done. Processing triggers for tex-common ... Running updmap-sys. This may take some time... done. Running mktexlsr /var/lib/texmf ... done. Setting up texlive-generic-recommended (2012.20120611-3~ubuntu12.04.1) ... Warning: Old configuration style found in /etc/texmf/updmap.d Warning: For now these files have been included, Warning: but expect inconsistencies. Warning: These packages should be rebuild with tex-common. Warning: Please see /usr/share/doc/tex-common/NEWS.Debian.gz Warning: found file: /etc/texmf/updmap.d/10lmodern.cfg Setting up texlive-fonts-recommended (2012.20120611-3~ubuntu12.04.1) ... Warning: Old configuration style found in /etc/texmf/updmap.d Warning: For now these files have been included, Warning: but expect inconsistencies. Warning: These packages should be rebuild with tex-common. Warning: Please see /usr/share/doc/tex-common/NEWS.Debian.gz Warning: found file: /etc/texmf/updmap.d/10lmodern.cfg Setting up texlive-extra-utils (2012.20120611-1~ubuntu12.04.1) ... Warning: Old configuration style found in /etc/texmf/updmap.d Warning: For now these files have been included, Warning: but expect inconsistencies. Warning: These packages should be rebuild with tex-common. Warning: Please see /usr/share/doc/tex-common/NEWS.Debian.gz Warning: found file: /etc/texmf/updmap.d/10lmodern.cfg Setting up texlive-font-utils (2012.20120611-1~ubuntu12.04.1) ... Warning: Old configuration style found in /etc/texmf/updmap.d Warning: For now these files have been included, Warning: but expect inconsistencies. Warning: These packages should be rebuild with tex-common. Warning: Please see /usr/share/doc/tex-common/NEWS.Debian.gz Warning: found file: /etc/texmf/updmap.d/10lmodern.cfg Setting up texlive-latex-base (2012.20120611-3~ubuntu12.04.1) ... Warning: Old configuration style found in /etc/texmf/updmap.d Warning: For now these files have been included, Warning: but expect inconsistencies. Warning: These packages should be rebuild with tex-common. Warning: Please see /usr/share/doc/tex-common/NEWS.Debian.gz Warning: found file: /etc/texmf/updmap.d/10lmodern.cfg Running mktexlsr. This may take some time... done. Building format(s) --all --cnffile /etc/texmf/fmt.d/10texlive-latex-base.cnf. This may take some time... done. Processing triggers for tex-common ... Running mktexlsr. This may take some time... done. Running updmap-sys. This may take some time... done. Running mktexlsr /var/lib/texmf ... done. Setting up texlive-pstricks (2012.20120611-1~ubuntu12.04.1) ... Warning: Old configuration style found in /etc/texmf/updmap.d Warning: For now these files have been included, Warning: but expect inconsistencies. Warning: These packages should be rebuild with tex-common. Warning: Please see /usr/share/doc/tex-common/NEWS.Debian.gz Warning: found file: /etc/texmf/updmap.d/10lmodern.cfg Setting up tipa (2:1.3-17~precise1) ... Warning: Old configuration style found in /etc/texmf/updmap.d Warning: For now these files have been included, Warning: but expect inconsistencies. Warning: These packages should be rebuild with tex-common. Warning: Please see /usr/share/doc/tex-common/NEWS.Debian.gz Warning: found file: /etc/texmf/updmap.d/10lmodern.cfg Setting up texlive-latex-recommended (2012.20120611-3~ubuntu12.04.1) ... Warning: Old configuration style found in /etc/texmf/updmap.d Warning: For now these files have been included, Warning: but expect inconsistencies. Warning: These packages should be rebuild with tex-common. Warning: Please see /usr/share/doc/tex-common/NEWS.Debian.gz Warning: found file: /etc/texmf/updmap.d/10lmodern.cfg Processing triggers for tex-common ... Running mktexlsr. This may take some time... done. Running updmap-sys. This may take some time... done. Running mktexlsr /var/lib/texmf ... done. Setting up prosper (1.00.4+cvs.2007.05.01-4) ... Warning: Old configuration style found in /etc/texmf/updmap.d Warning: For now these files have been included, Warning: but expect inconsistencies. Warning: These packages should be rebuild with tex-common. Warning: Please see /usr/share/doc/tex-common/NEWS.Debian.gz Warning: found file: /etc/texmf/updmap.d/10lmodern.cfg Running mktexlsr. This may take some time... done. Setting up texlive (2012.20120611-3~ubuntu12.04.1) ... Setting up latex-xcolor (2.11-1) ... mktexlsr: Updating /usr/local/share/texmf/ls-R... mktexlsr: Updating /var/lib/texmf/ls-R-TEXLIVEMAIN... mktexlsr: Updating /var/lib/texmf/ls-R-TEXLIVEDIST... mktexlsr: Updating /var/lib/texmf/ls-R-TEXMFMAIN... mktexlsr: Updating /var/lib/texmf/ls-R... mktexlsr: Done. Setting up pgf (2.10-1) ... Warning: Old configuration style found in /etc/texmf/updmap.d Warning: For now these files have been included, Warning: but expect inconsistencies. Warning: These packages should be rebuild with tex-common. Warning: Please see /usr/share/doc/tex-common/NEWS.Debian.gz Warning: found file: /etc/texmf/updmap.d/10lmodern.cfg Processing triggers for tex-common ... Running mktexlsr. This may take some time... done. Setting up latex-beamer (3.10-1) ... mktexlsr: Updating /usr/local/share/texmf/ls-R... mktexlsr: Updating /var/lib/texmf/ls-R-TEXLIVEMAIN... mktexlsr: Updating /var/lib/texmf/ls-R-TEXLIVEDIST... mktexlsr: Updating /var/lib/texmf/ls-R-TEXMFMAIN... mktexlsr: Updating /var/lib/texmf/ls-R... mktexlsr: Done. Processing triggers for libc-bin ... ldconfig deferred processing now taking place What exactly is 10lmodern.cfg good for? How can I prevent this warnings? Here is the output of sudo update-updmap: $ sudo update-updmap Regenerating '/var/lib/texmf/updmap.cfg-DEBIAN'... Warning: Old configuration style found in /etc/texmf/updmap.d Warning: For now these files have been included, Warning: but expect inconsistencies. Warning: These packages should be rebuild with tex-common. Warning: Please see /usr/share/doc/tex-common/NEWS.Debian.gz Warning: found file: /etc/texmf/updmap.d/10lmodern.cfg done. Regenerating '/var/lib/texmf/updmap.cfg-TEXLIVEDIST'... done. update-updmap has updated the following file(s): /var/lib/texmf/updmap.cfg-DEBIAN /var/lib/texmf/updmap.cfg-TEXLIVEDIST If you want to enable the map files with this new file, you should run updmap-sys or updmap.

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• Dell XPS 15 (L502x) sound problem

  - by lauramolenaar

  I have a problem with my sound on my Dell XPS 15. First, when I had Windows 7, my sound was pretty good (I have a JBL 2.1 speaker system with Waves Maxx audio), but since I installed Ubuntu 12.04 it sounded very cheap and as if I put my laptop in a tin can. I've already tried installing alsa-hda-dkms from the alsa-daily ppa (http://ppa.launchpad.net/ubuntu-audio-dev/alsa-daily) This is my audio controller: laura@laura-XPS-L502X:~$ lspci -v | grep -A7 -i audio 00:1b.0 Audio device: Intel Corporation 6 Series/C200 Series Chipset Family High Definition Audio Controller (rev 05) Subsystem: Dell Device 04b6 Flags: bus master, fast devsel, latency 0, IRQ 51 Memory at f1c00000 (64-bit, non-prefetchable) [size=16K] Capabilities: <access denied> Kernel driver in use: snd_hda_intel Kernel modules: snd-hda-intel I hope you can help me, and you can always ask me for more information. Result of aplay -l: **** List of PLAYBACK Hardware Devices **** card 0: PCH [HDA Intel PCH], device 0: ALC665 Analog [ALC665 Analog] Subdevices: 0/1 Subdevice #0: subdevice #0 card 0: PCH [HDA Intel PCH], device 1: ALC665 Digital [ALC665 Digital] Subdevices: 1/1 Subdevice #0: subdevice #0 card 0: PCH [HDA Intel PCH], device 3: HDMI 0 [HDMI 0] Subdevices: 1/1 Subdevice #0: subdevice #0 Result of aplay -L: default Playback/recording through the PulseAudio sound server sysdefault:CARD=PCH HDA Intel PCH, ALC665 Analog Default Audio Device front:CARD=PCH,DEV=0 HDA Intel PCH, ALC665 Analog Front speakers surround40:CARD=PCH,DEV=0 HDA Intel PCH, ALC665 Analog 4.0 Surround output to Front and Rear speakers surround41:CARD=PCH,DEV=0 HDA Intel PCH, ALC665 Analog 4.1 Surround output to Front, Rear and Subwoofer speakers surround50:CARD=PCH,DEV=0 HDA Intel PCH, ALC665 Analog 5.0 Surround output to Front, Center and Rear speakers surround51:CARD=PCH,DEV=0 HDA Intel PCH, ALC665 Analog 5.1 Surround output to Front, Center, Rear and Subwoofer speakers surround71:CARD=PCH,DEV=0 HDA Intel PCH, ALC665 Analog 7.1 Surround output to Front, Center, Side, Rear and Woofer speakers iec958:CARD=PCH,DEV=0 HDA Intel PCH, ALC665 Digital IEC958 (S/PDIF) Digital Audio Output hdmi:CARD=PCH,DEV=0 HDA Intel PCH, HDMI 0 HDMI Audio Output dmix:CARD=PCH,DEV=0 HDA Intel PCH, ALC665 Analog Direct sample mixing device dmix:CARD=PCH,DEV=1 HDA Intel PCH, ALC665 Digital Direct sample mixing device dmix:CARD=PCH,DEV=3 HDA Intel PCH, HDMI 0 Direct sample mixing device dsnoop:CARD=PCH,DEV=0 HDA Intel PCH, ALC665 Analog Direct sample snooping device dsnoop:CARD=PCH,DEV=1 HDA Intel PCH, ALC665 Digital Direct sample snooping device dsnoop:CARD=PCH,DEV=3 HDA Intel PCH, HDMI 0 Direct sample snooping device hw:CARD=PCH,DEV=0 HDA Intel PCH, ALC665 Analog Direct hardware device without any conversions hw:CARD=PCH,DEV=1 HDA Intel PCH, ALC665 Digital Direct hardware device without any conversions hw:CARD=PCH,DEV=3 HDA Intel PCH, HDMI 0 Direct hardware device without any conversions plughw:CARD=PCH,DEV=0 HDA Intel PCH, ALC665 Analog Hardware device with all software conversions plughw:CARD=PCH,DEV=1 HDA Intel PCH, ALC665 Digital Hardware device with all software conversions plughw:CARD=PCH,DEV=3 HDA Intel PCH, HDMI 0 Hardware device with all software conversions

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