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  • Compiz cube configuration

    - by Keynesian
    Sorry for the stupid question but I am new with Linux (I am using Gnome classic with Ubuntu 12.04) and I cannot set compiz in order to obtain the rotating cube. I have already installed compizconfig-setting-manager and also the extra (and fusion) plugins but: even if I disable the desktop wall and enable cube and rotating cube, nothing happens; even if I change into general settings the number of vertical and horizontal virtual size nothing happens. What I need is (possibly) a step by step answer. Thank you

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  • backlinks: Two domains with same IP

    - by Michal
    I run several different web pages on different servers (with different IP addresses). These pages are linking to each other in order to boost number of back links pointing to my pages. I would like to move all those projects to a single virtual host (with a single IP address). My question is, how google handles links within different domain names but same ip address. Is there some penalization for it? Could this lead to lower page rank?

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  • How To Setup Domain Name for SchoolTool Local Server

    - by zeroseven0183
    I am currently testing SchoolTool 2.0 and I would like to do some things: This application is installed on a virtual machine running Ubuntu Server 11.10 bridged to our home network. The site is accessible through IP address. What I would like to do is setup a local domain, say schooltool.ourhomedomain.com. I thought my sister would appreciate it more if it were not via IP address. If there's anymore information needed, let me know. Thanks in advance!

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  • VirtualBox sous Linux, un tutoriel pour apprendre à utiliser le logiciel de virtualisation

    Bonjour,Je vous présente un tutoriel sur l'utilisation de virtual box sous linux : Citation: VirtualBox est un logiciel de virtualisation de systèmes d'exploitation. En utilisant les ressources matérielles de l'ordinateur (système hôte), VirtualBox permet la création d'un ou de plusieurs ordinateurs virtuels dans lesquels s'installent d'autres systèmes d'exploitation (systèmes invités).Les systèmes invités fonctionnent en même temps que le système hôte, mais seul ce dernier a accès directement...

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  • where are apt-get files stored?

    - by loolooyyyy
    i have an ubuntu with three virtual machines running inside running ubuntu also i update the host using apt-get update but i can update VM's, it takes a long time + uses a lot of bandwith which i'm running out of,i want to transfer the updated files by apt-get to VMs, could you please tell me where are they? i'm not talking about the packages themselves stored in /var/cache/apt/archives, i want the file that stores list of available packages on mirror i have selected, thanks lot ps: i know this question has been asked somewhere but i cant find it!

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  • Application stuck in TCP retransmit

    - by SandeepJ
    I am running Linux kernel 3.13 (Ubuntu 14.04) on two Virtual Machines each of which operates inside two different servers running ESXi 5.1. There is a zeromq client-server application running between the two VMs. After running for about 10-30 minutes, this application consistently hangs due to inability to retransmit a lost packet. When I run the same setup over Ubuntu 12.04 (Linux 3.11), the application never fails If you notice below, "ss" (socket statistics) shows 1 packet lost, sk_wmem_queued of 14110 (i.e. w14110) and a high rto (120000). State Recv-Q Send-Q Local Address:Port Peer Address:Port ESTAB 0 12350 192.168.2.122:41808 192.168.2.172:55550 timer:(on,16sec,10) uid:1000 ino:35042 sk:ffff880035bcb100 <- skmem:(r0,rb648720,t0,tb1164800,f2274,w14110,o0,bl0) ts sack cubic wscale:7,7 rto:120000 rtt:7.5/3 ato:40 mss:8948 cwnd:1 ssthresh:21 send 9.5Mbps unacked:1 retrans:1/10 lost:1 rcv_rtt:1476 rcv_space:37621 Since this has happened so consistently, I was able to capture the TCP log in wireshark. I found that the packet which is lost does get retransmitted and even acknowledged by the TCP in the other OS (the sequence number is seen in the ACK), but the sender doesn't seem to understand this ACK and continues retransmitting. MTU is 9000 on both virtual machines and througout the route. The packets being sent are large in size. As I said earlier, this does not happen on Ubuntu 12.04 (kernel 3.11). So I did a diff on the TCP config options (seen via "sysctl -a |grep tcp ") between 14.04 and 12.04 and found the following differences. I also noticed that net.ipv4.tcp_mtu_probing=0 in both configurations. Left side is 3.11, right side is 3.13 <<net.ipv4.tcp_abc = 0 <<net.ipv4.tcp_cookie_size = 0 <<net.ipv4.tcp_dma_copybreak = 4096 14c11 << net.ipv4.tcp_early_retrans = 2 --- >> net.ipv4.tcp_early_retrans = 3 17c14 << net.ipv4.tcp_fastopen = 0 >> net.ipv4.tcp_fastopen = 1 20d16 << net.ipv4.tcp_frto_response = 0 26,27c22 << net.ipv4.tcp_max_orphans = 16384 << net.ipv4.tcp_max_ssthresh = 0 >> net.ipv4.tcp_max_orphans = 4096 29,30c24,25 << net.ipv4.tcp_max_tw_buckets = 16384 << net.ipv4.tcp_mem = 94377 125837 188754 >> net.ipv4.tcp_max_tw_buckets = 4096 >> net.ipv4.tcp_mem = 23352 31138 46704 34a30 >> net.ipv4.tcp_notsent_lowat = -1 My question to the networking experts on this forum : Are there any other debugging tools or options I can install/enable to dig further into why this TCP retransmit failure is occurring so consistently ? Are there any configuration changes which might account for this weird behaviour.

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  • SEO - The How and Why

    As the influence of social networking sites and the internet increases, focus of mankind is slowly shifting from real life to the virtual space and why not, it's fun, dynamic and cheap. So it wasn't long before businesses started recognizing the importance of online advertising.

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  • How can i turn a virtualbox disk partion to be my main boot system? (read description)

    - by user75975
    I recently had windows xp installed on my pc and chose to try ubuntu but i did a full install with ubuntu. I luckily chose to create a backup windows iso before the install and now want to reinstall windows but i couldnt find a sufficient program to mount the iso to my cd disk. My question is how can i burn the disk using VirtualBox or even how can i transform a virtual box partion to my main OS system?? thx in advance

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  • Web Development Services - What's the Need?

    With the each passing day, Internet is becoming more and more popular and everyone wanting to have a strong online presence. The long established brick-and-mortar businesses have switched to virtual storefronts. Those who haven't done as yet, would soon face extinction.

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  • EMC VPlex Buyer's Guide

    With its recent release of VPlex, EMC is anything but quiet about its private cloud vision. At EMC World earlier this month, it elaborated on tis plans to go the distance with virtual storage.

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  • EMC VPlex Buyer's Guide

    With its recent release of VPlex, EMC is anything but quiet about its private cloud vision. At EMC World earlier this month, it elaborated on tis plans to go the distance with virtual storage.

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  • Argument on Ranking of SEO Links

    SEO and link building can be a marketing tool considering the fact that the amount of traffic a site generates is a direct outcome of the links it has been given by the owner. Committed Link building is very essential for good standing of a virtual address.

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  • I upgraded ubuntu to 12.10, and the internet does not work on vbox

    - by user100607
    Last week, I upgraded my operating system to Ubuntu 12.10 from 12.04, and the internet stopped working on two virtual machines (launched with virtualbox), Windows XP and OSX Snow Leopard. OSX also stopped working completely at first, but I fixed that by switching to the 64 bit option in the vbox settings. I switching to bridged networking from NAT restored the internet to Windows, but not to OSX. Does anybody know what I could be doing wrong?

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  • CentOS Goes Commercial

    <b>Linux Planet:</b> "The market for CentOS Linux-based appliances continues growing, thanks in part to a new network-monitoring virtual appliance from GroundWork and commercial support services from OpenLogic."

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  • Report: CentOS Goes Commercial

    The market for CentOS Linux-based appliances continues growing, thanks in part to a new network-monitoring virtual appliance from GroundWork and commercial support services from OpenLogic.

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  • Is it possible to dual boot Mac OSX Lion with Ubuntu 12.04?

    - by tofu_bacon
    I've read that it can be dangerous for your computer to try to run Ubuntu and that the safest option is to run it on an external hard drive. Is this true? (I don't want to run it through a Virtual Machine.) I would prefer to dual boot it, given that my hard drive has so much space. Update: So does this mean that even if I have Ubuntu installed, that my data would still be at risk due to, say, stability issues?

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  • ID?????????

    - by ???02
    ID?????????ID?????????????????????ID??(IDM)?????????????????????ID?????????????????????????????????????:ID????????????????????:ID???????????????????????????????:ID????????????????????????????????????????????????????????????????????????????????????????????????? ???ID?????????????????????????????????????????????ID????????????????????????????? ID????????????ID??????????????3?????????ID??????????????????????????????????????????????????????????/????????·??·?????????????????????????/?????????????????????/???????????????????????????/?????????????????????????????????????·????????????????????????4????????????????????????????????????Oracle Identity and Access Management Suite?????????ID????????????????????????ID????????????????????????Oracle Identity Manager????????????????????????????????Oracle Role Manager ??????????????????????ID???????????????????????????????????????????????????????????????????????????????·?????????????????????????????·???????????????????????????????????????????????Oracle Internet Directory?Oracle Virtual Directory???2?????????·??????????????????????????(????·????????????????)???????????????????????????????????????????????????????????????????????? ??????????·??????????????????????????????????????Web?????·?????????????? ????????????????????????????????????????????·??????????????????????????????ID????????·??????ID?????????????????????????????????????????????????????????????????????????????????????????????·???????ID???????????????????????????????ID???????????????????ID?????????????????????????????????????????????????????????????????????????????? ?????? Oracle Direct

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  • Getting a ResultSet/RefCursor over a database link

    - by JonathanJ
    From the answers to http://stackoverflow.com/questions/1122175/calling-a-stored-proc-over-a-dblink it seems that it is not possible to call a stored procedure and get the ResultSet/RefCursor back if you are making the SP call across a remote DB link. We are also using Oracle 10g. We can successfully get single value results across the link, and can successfully call the SP and get the results locally but we get the same 'ORA-24338: statement handle not executed' error when reading the ResultSet from the remote DB. My question - is there any workaround to using the stored procedure? Is a shared view a better solution? Piped rows? Sample Stored Procedure: CREATE OR REPLACE PACKAGE BODY example_SP IS PROCEDURE get_terminals(p_CD_community IN community.CD_community%TYPE, p_cursor OUT SYS_REFCURSOR) IS BEGIN OPEN p_cursor FOR SELECT cd_terminal FROM terminal t, community c WHERE c.cd_community = p_CD_community AND t.id_community = c.id_community; END; END example_SP; / Sample Java code that works locally but not remotely: Connection conn = DBConnectionManagerFactory.getDBConnectionManager().getConnection(); CallableStatement cstmt = null; ResultSet rs = null; String community = "EXAMPLE"; try { cstmt = conn.prepareCall("{call example_SP.get_terminals@remote_address(?,?)}"); cstmt.setString(1, community); cstmt.registerOutParameter(2, OracleTypes.CURSOR); cstmt.execute(); rs = (ResultSet)cstmt.getObject(2); while (rs.next()) { LogUtil.getLog().logInfo("Terminal code=" + rs.getString( "cd_terminal" )); } }

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  • Plot in GNU PLOT

    - by guddi
    I have to plot many lines in GNU PLOT.No problem with the X axis. The problem that I am facing is that most of the plotted lines are at yscale [0-0.05] ,few at range 60-70 and rest at 600-700. These numbers correspond to the y axis scale values. But after I plot I can see only 3 sets of lines all messed up. There is no clearity between the lines. Line at 0 and the line at 0.003 look like one single line. If I set yrange[0:0.05], the lines between this range are clearly vissible. But I want all the lines in the same graph. I have heard of breaking axis's and multi plotting..Can they be useful? how to implement them. Anyone pls help me. Below is the sript set terminal png size 1300,1200 enhanced font 'Verdana,20 set output ' output .png’ set key font 'Verdana,16' set key bottom outside set yrange[500:1000] set xtics("25k" 25000,"50k" 50000,"75k" 75000,"100k" 100000) set grid set title 'Performance Metrics' set ylabel 'Metrices' set xlabel 'FES' plot ' input ' using 1:2 title ' A' with linespoints linewidth 4, ' input ' using 1:3 title B'with linespoints linewidth 4, 'input ' using 1:4 title ' c' with linespoints linewidth 4, 'input ' using 1:5 title 'D' with linespoints linewidth 4, ' input ' using 1:6 title 'E' with linespoints linewidth 4, ' input ' using 1:7 title 'F' with linespoints linewidth 4, ' input ' using 1:8 title 'G' with linespoints linewidth 4, ' input ' using 1:9 title ' H ' with linespoints linewidth 4, ' input ' using 1:10 title ' I' Metric ' with linespoints linewidth 4 set output set terminal windows input.dat is something like this: 25 0.002 0.05 899 455 444 0.08 0.00004 900 700 0.003 This way i have other rows. I have shown only the first one

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  • PythonMagickWand Shepards Distortion (ctypes LP_c_double problem)

    - by betamax
    I am trying to use PythonMagickWand to use a Shepards distortion on an image. You can also see the source of distort.c that is used by ImageMagick. I have the following code (snippet): from PythonMagickWand import * arrayType = c_double * 8 pointsNew = arrayType() pointsNew[0] = c_double(eyeLeft[0]) pointsNew[1] = c_double(eyeLeft[1]) pointsNew[2] = c_double(eyeLeftDest[0]) pointsNew[3] = c_double(eyeLeftDest[1]) pointsNew[4] = c_double(eyeRight[0]) pointsNew[5] = c_double(eyeRight[1]) pointsNew[6] = c_double(eyeRightDest[0]) pointsNew[7] = c_double(eyeRightDest[1]) MagickWandGenesis() wand = NewMagickWand() MagickReadImage(wand,path_to_image+'image_mod.jpg') MagickDistortImage(wand,ShepardsDistortion, 8, pointsNew, False) MagickWriteImage(wand,path_to_image+'image_mod22.jpg') I get the following error: MagickDistortImage(wand,ShepardsDistortion, 8, pointsNew, False) ctypes.ArgumentError: argument 4: <type 'exceptions.TypeError'>: expected LP_c_double instance instead of list I am aware that pointsNew is the wrong way of providing the arguments.. But I just don't know what is the right format. This is an example distort command that works when run in Terminal: convert image.jpg -virtual-pixel Black -distort Shepards 121.523809524,317.79638009 141,275 346.158730159,312.628959276 319,275 239.365079365,421.14479638 232,376 158.349206349,483.153846154 165,455 313.015873016,483.153846154 300,455 0,0 0,0 0,571.0 0,571.0 464.0,571.0 464.0,571.0 0,571.0 0,571.0 image_out.jpg So I guess the question is: How do I create a list of c_doubles that will be accepted by PythonMagickWand? I basically need to re-create the terminal command. I have got it working by using subprocess to run the command from Python but that is not how I want to do it.

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  • Parsing a string, Grammar file.

    - by defn
    How would I separate the below string into its parts. What I need to separate is each < Word including the angle brackets from the rest of the string. So in the below case I would end up with several strings 1. "I have to break up with you because " 2. "< reason " (without the spaces) 3. " . But Let's still " 4. "< disclaimer " 5. " ." I have to break up with you because <reason> . But let's still <disclaimer> . below is what I currently have (its ugly...) boolean complete = false; int begin = 0; int end = 0; while (complete == false) { if (s.charAt(end) == '<'){ stack.add(new Terminal(s.substring(begin, end))); begin = end; } else if (s.charAt(end) == '>') { stack.add(new NonTerminal(s.substring(begin, end))); begin = end; end++; } else if (end == s.length()){ if (isTerminal(getSubstring(s, begin, end))){ stack.add(new Terminal(s.substring(begin, end))); } else { stack.add(new NonTerminal(s.substring(begin, end))); } complete = true; } end++;

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