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• Using terminal in hacking way (Xubuntu 10.04)

  - by user1163511

  I am beginner in using terminal in Linux. I have some questions about it. First of all, I want to ask you question out of the issue-What is the name of th Terminal in Xubuntu 10.04(for example- bash or anything like this)? My main question is - Is there any way of using the terminal for hacking (e.g. port scanning, whois, gaining root account and take a look of the file system of the server or another things). I will be very pleased to get answers. Thank you for patience and tolerance!

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• What's the difference between set, export and env and when should I use each?

  - by Oli

  Every so often I'll bash out a bash script and it strikes me there are a few ways of setting a variable: key=value env key=value export key=value When you're inside a script or a single command (for instance, I'll often chain a variable with a Wine launcher to set the right Wine prefix) these seem to be completely interchangeable but surely that can't be the case. What's the difference between these three methods and can you give me an example of when I would specifically want to use each one? Definitely related to What is the difference between `VAR=...` and `export VAR=...`? but I want to know how env fits into this too, and some examples showing the benefits of each would be nice too :)

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• How to get nicer error-messages in this bash-script?

  - by moata_u

  I'm trying to catch any error when run a command in order to write a log-file / report I've tried this code: function valid (){ if [ $? -eq 0 ]; then echo "$var1" ": status : OK" else echo "$var1" ": status : ERROR" fi } function save(){ sed -i "/:@/c connection.url=jdbc:oracle:thin:@$ip:1521:$dataBase" $search var1="adding database ip" valid $var1 sed -i "/connection.username/c connection.username=$name" #$search var1="addning database SID" valid $var1 } save The output looks like this: adding database ip : status : OK sed: no input file But I want it to look like this: adding database ip : status : OK sed: no input file : status : ERROR" or this: adding database ip : status : OK addning database SID : status : ERROR" I've been trying, but it's not working with me. :(

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• Why did the command ":(){ :|: & };:" make my system lag so badly I had to reboot?

  - by blade19899

  Danger! Do not run this command to "test" it unless you are prepared for a crash and/or force-rebooting your system I was in my Virtualbox running 12.04 trying to compile an app, and while waiting I happened to chance upon a forum where a comment said: Try :(){ :|: & };: Fun, too, and doesn't need root. Without thinking I ran it in my gnome-terminal it made my 12.04 virtualbox lag so badly I had to shut it down. My question is what does this command do? :(){ :|: & };:

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• Is there a way to mirror directory changes in Terminator?

  - by Kasisnu

  I'm on Ubuntu 12.04 and am using Terminator as my primary terminal. I like it because it lets me keep a python interpreter and bash terminal open at the same time, in the same view. What is annoying is that I end up moving between directories A LOT, and then I have to do it twice. Is there a way to set up a terminator configuration to do that? To have terminator mirror directory changes. I'm guessing I'm not the only one that finds that frustrating!

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• Create new terminal commands

  - by sleort

  I recently installed eclipse the manual way. Extracting the file, setting up eclipse.desktop etc. It all works flawlessly. I also know it is possible to install eclipsee using sudo apt-get install eclipse-platform. If I use this method I can use the command eclipse in the terminal, and the program will start. Now the manual way I used does not enable the eclipse-command in the terminal. Instead if I use eclipse-command it asks me to install eclipse from the Softwarecenter (sudo apt-get install eclipse-platform). I wondered if there was some way of setting up a command like this to start eclipse? If so, can I do it for other programs like Apache-Maven mvn-command? I don't want to use "aliases" because I cannot setup and eclipse alias, when "eclipse" is listed in the apt repository. It seems as if only if I install the eclipse from apt-get install I can start eclipse from a single command in the terminal. I appreciate any help, and thanks in advance!

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• How can I make apt-get wait for another instance to finish?

  - by rajagenupula

  Is there any way I can make apt-get wait for the other apt-get (or similar) processes to finish? I know that, generally, apt-get can only one instance at a time and if we try to run apt-get at the same time then we get a message saying that some other process is using it. My question is: how can I make apt-get wait for the other processes to finish and then run? Advantage: No need to type the command apt-get again, it will be automated after the 1st apt-get finishes.

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• Getting Started with 12.04 LTS Problems

  - by mark

  Okay previously I used ubuntu 10.04 in Desktops and Loved it! I bought a newer Toshiba Satellite with an i7 CPU, 8GB Ram, 1TB HD, first thing I tried to do was install Ubuntu 9 on it then I found out it was no longer Supported. (I gave my 10.04 disk away) So I tried installing Windows 7 and experienced SO MANY problems, I am going back to try 12.04. Starting all over again. After installing 12.04 Wireless was Detected yet said it was Disabled by a Hardware Switch. Went read through the Message Boards found Solution which was Sudo rf Kill All. Okay all excited I would finally get my Ubuntu to finally work I rushed back to my laptop from the internet cafe, and went looking for the TERMINAL input on my Ubuntu 12.04, and I cannot find the Terminal. If I can't find the TERMINAL how Can I enter any Sudo Stuff? So I guess the first question is Where is the Terminal Located in 12.04? Thank you.

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• Storing and reading file paths from _TCHAR *argv[]

  - by ArsenArsen

  How to convert from _TCHAR* to "" and to keep all : and /? I tried: int _tmain(int argc, _TCHAR* argv[]) { if(!argv[1]){ std::cout<<"No Variables.\r\n"; system("PAUSE"); return 0; std::exit; } std::cout<<"Path: "<<argv[1]<<"\r\n"; system("PAUSE"); return 0; } But, output is either "No variables." or "Path: C" (when I changed _TCHAR to const char and char) or either "Path: 00038706"

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• How can I redirect the contents of a file to the pastebinit command? [duplicate]

  - by Tim

  This question already has an answer here: How to submit a file to paste.ubuntu.com without graphical interface? 2 answers Whenever I was to store something to show someone here, I run command-with-output | pastebinit. That returns the link to the paste online. For example: echo timtjtim | pastebinit gave me the link paste.ubuntu.com/8010000 Which I can share. How can I do this with a file - for example a log file. Surely I don't have to open - > copy all - > open paste.ubuntu.com -> paste it?

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• Why is the error, dd: /dev/rdisk1bs=1m: Operation not supported, popping up while trying to instal ubuntu on usb?

  - by Jesse S

  I am trying to install ubuntu onto my flash drive using the instructions from the website, http://www.ubuntu.com/download/help/create-a-usb-stick-on-mac-osx , and after step 8, the terminal asks for my password, which it accepts and then pops u this error message, dd: /dev/rdisk1bs=1m: Operation not supported. I have also tried making the last m in that statement capital and then the system does not ask me for my password but the error message still pops up. What is happening and why?

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• Can't get packages after installing Faience

  - by ccrama

  I installed the Faience theme (sudo apt-get install Faience) and it installed fine. Then I tried installing another package and it said this... Reading package lists... Done Building dependency tree Reading state information... Done You might want to run 'apt-get -f install' to correct these: The following packages have unmet dependencies: faience : Depends: faenza but it is not going to be installed gnome-shell-extensions-user-theme : Depends: gnome-shell-extensions-common but it is not going to be installed E: Unmet dependencies. Try 'apt-get -f install' with no packages (or specify a solution). Please help :O!

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• "Permission denied" error

  - by user1175807

  Alright so I installed Ubuntu last night and I am very new to everything. Right now I am trying to run a program called JES, (Jython Environment for Students). The instructions tell me to cd to the JES directory I have, so I type cd /home/Programs/JES It takes me to the directory I need to be in, so far so good. Then I have to type in: ./JES.sh And I get this returned to me: bash: ./JES.sh: Permission denied I have very little comprehension of what to do in Terminal or anything of the sort. Any help would be appreciated. I have tried using sudo -l to get permissions but it still persists.

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• Googling query from anywhere

  - by Shagun

  Some times when I am trying out stuff on my terminal, I get some blockade or some error to resolve which I have to copy the error or last message then open my browser and then Google the query. Is it possible for me that I select the message via mouse and when I right click I get a Google it option as I get when I select some text on a browser? PS : I am not asking how to do Google search via terminal or how to browse web via terminal.These were the results I got when I goggled my question. what I want is something more general. Whenever I select a piece of text I should get a "Google me" option with the right click of my mouse(or maybe with pressing of a key or something). I would prefer that the query takes place in a browser and not in a terminal.

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• How can I fix a very broken Ubuntu installation without losing data?

  - by jredkai

  Okay guys, I was installing a program (I do not remember the name). When I did sudo apt-get update I was given missing dependencies. It told me to sudo apt-get install -f which deleted just about every dependency needed for Ubuntu, now I cannot log in or anything, now in GRUB it actually says Debian instead of Ubuntu. I have tons of important data in that partition. Can I some how use the live cd to fix this problem??? I mean like re-install without losing data. Any help is greatly appreciated!!!

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• sudo refuses my password

  - by fredericf

  I've just installed Ubuntu 12.04 and now that I want to install a program through the terminal with a command starting with sudo, the terminal says Sorry, try again. I just don't get it, this is my user password which I check with through the Software Center. What can be then wrong? (Is it possible that the terminal function differently than the rest of the OS in relation to ASCII keyboard?) Please help.

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• -ln links to wrong file

  - by user289075

  I've just installed matlab and want to be able to call it from the terminal. It works fine when I explicitly call it from its directory. I cd to /usr/local/bin and type sudo ln -s /usr/local/MATLAB/R2012a/bin/matlab matlab when I then type "matlab" in the terminal, I get the error message "bash: /media/OS/MATLAB/bin/matlab: No such file or directory" I have no idea why it's trying to call matlab from /media. I've tried deleting the file from usr/local/bin but when I create it again the same thing happens. Any help would be very much appreciated.

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• Gnome-shell freezes. What to do to keep apps open, like "alt+f2 r" when GS works

  - by user94592

  This is a repost, because no one had popper solution. What to do when gnome-shell freezes? Everything works correctly (music is still playing etc.), just the gui freezes. I am able to ctrl+alt+f1. What can I do after logging in the ctrl+alt+f1 terminal, in order to restore gnome-shell? If gnome-shell worked, I'd just hit alt+f2 and run r. I usually end up sudo rebooting which I don't like, because I have to reopen apps.

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• How to execute a "name.desktop" file? [duplicate]

  - by Pubudug

  This question already has an answer here: Running a .desktop file in the terminal 10 answers #!/usr/bin/env xdg-open [Desktop Entry] Version=1.0 Type=Link Name=ShareFolder Icon=/usr/share/icons/DPL/NetworkShare.png Name[en_US]=ShareFolder URL=smb://servername/sharefolder This is my .desktop file which has a URL. How do I execute this desktop shortcut in the terminal? If i double click it works perfectly, but I need to execute this in terminal. I tried Running a .desktop file in the terminal. That didn't work for me either but it does if its an "application" shortcut. I'm trying here to execute "link" .desktop file, where you define in the type section (Type=Link) and (URL=smb://servername/sharefolder)

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• I need to get past my permissions to recover data

  - by adsmz

  Due to some mishaps, I am unable to boot into Kubuntu at all. However, my data is still on the hard drive. I managed to get one of the other two computers to which I have access to read the disk by booting into a liveCD session of kubuntu. The only storage medium to which I have access is a 30 GB data stick. Here's where the trouble starts: In music alone, I have to back up about 60 GB. Obviously this is going to have to be split into chunks and moved over to the second spare PC until I can reinstall Kubuntu on my laptop. All of the data that needs backed up is behind a permissions wall, so while I can view it, I can't interact with it directly. I know copying and moving through the terminal can get around this with sudo cp or sudo mv, but is there a way to first compress multiple folders in a single archive, then move it? (While we're on the subject, what compression method would be best for large volumes of music in MP3, WAV, and OGG format?)

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• echo difference between ubuntu and RedHat

  - by arcomber

  I have mostly been experimenting with ubuntu but recently was using a Red Hat Enterprise system and was surprised at a difference I found setting and displaying env variables. In ubuntu I might have an interaction like this: acomber@mail:~$ export MY_VAR=i686-linux acomber@mail:~$ echo $MY_VAR i686-linux acomber@mail:~$ echo "$MY_VAR" i686-linux But on RHEL: acomber@mail:~$ export MY_VAR=i686-linux acomber@mail:~$ echo $MY_VAR acomber@mail:~$ echo "$MY_VAR" i686-linux I know this is a ubuntu forum but why the difference? Why do I need to enclose in quotes on RH? There are no spaces in the variable name?

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• ASP.NET DataList - defining "columns/rows" when repeating horizontal and using flow layout

  - by Ian Robinson

  Here is my DataList: <asp:DataList id="DataList" Visible="false" RepeatDirection="Horizontal" Width="100%" HorizontalAlign="Justify" RepeatLayout="Flow" runat="server"> [Contents Removed] </asp:DataList> This generates markup that has each item wrapped in a span. From there, I'd like to break each of these spans out into rows of three columns. Ideally I would like something like this: <div> <span>Item 1</span> <span>Item 2</span> <span>Item 3</span> </div> <div> <span>Item 4</span> <span>Item 5</span> <span>Item 6</span> </div> [etc] The closest I can get to this is to set RepeatColumns to "3" and then a <br> is inserted after every three items in the DataList. <span>Item 1</span> <span>Item 2</span> <span>Item 3</span> <br> <span>Item 4</span> <span>Item 5</span> <span>Item 6</span> <br> This gets me kind of close, but really doesn't do the trick - I still can't control the layout the way I'd like to be able to. Can anyone suggest a way to make this better? If I could implement the above example - that would be perfect, however I'd accept a less elegant solution as well - as long as its more flexible than <br> (such as inserting a <span class="clear"></span> instead of <br>).

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• CSS submenus for a horizontal menu

  - by kalaivani

  This is the CSS I'm currently using to produce a horizontal menu. Does anyone have any suggestions on how to go about extending it to allow for submenus? /* CSS Document */ .rhm1{ width:780px; height:64px; margin:0 auto; background:url(images/rhm1_bg.gif) repeat-x; } .rhm1-left{ background:url(images/rhm1_l.gif) no-repeat; width:15px; height:64px; float:left; } .rhm1-right{ background:url(images/rhm1_r.gif) no-repeat; width:15px; height:64px; float:right; } .rhm1-bg{ background:url(images/rhm1_bg.gif) repeat-x; height:64px; } .rhm1-bg ul{ list-style:none; margin:0 auto; } .rhm1-bg li{ float:left; list-style:none; } .rhm1-bg li a{ float:left; display:block; color:#ffe8cc; text-decoration:none; font:12px 'Lucida Sans', sans-serif; font-weight:bold; padding:0 0 0 18px; height:64px; line-height:40px; text-align:center; cursor:pointer; } .rhm1-bg li a span{ float:left; display:block; padding:0 32px 0 18px; } .rhm1-bg li.current a{ color:#fff; background:url(images/rhm1_hover_l.gif) no-repeat left 5px; } .rhm1-bg li.current a span{ color:#fff; background:url(images/rhm1_hover_r.gif) no-repeat right 5px; } .rhm1-bg li a:hover{ color:#fff; background:url(images/rhm1_hover_l.gif) no-repeat left 5px; } .rhm1-bg li a:hover span{ color:#fff; background:url(images/rhm1_hover_r.gif) no-repeat right 5px; }

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• Command line mode only -- successful login only brings me back to login screen

  - by seth

  whenever I log in the screen goes black, I see a glimpse of terminal-esque text, and then it brings me back to the log in screen (Ubuntu 12.04). I can enter and log in via the command line. The guest account works find. I think this happened because I edited some Xorg related file trying to make an external monitor work with my laptop. I copy pasted from a forum post so I dont recall the file or what i put in the file. Can't find the forum post again and my bash history wasn't recorded from that session. I tried reinstalling Xorg and ubuntu-desktop, nvidia, resetting any configs I could find... I'm really at a loss of what to do. Here's my /.xsession-errors: /usr/sbin/lightdm-session: 11: /home/seth/.profile: -s: not found Backend : gconf Integration : true Profile : unity Adding plugins Initializing core options...done Initializing composite options...done Initializing opengl options...done Initializing decor options...done Initializing vpswitch options...done Initializing snap options...done Initializing mousepoll options...done Initializing resize options...done Initializing place options...done Initializing move options...done Initializing wall options...done Initializing grid options...done I/O warning : failed to load external entity "/home/seth/.compiz/session/108fa6ea48f8a973b9133850948930576700000017740033" Initializing session options...done Initializing gnomecompat options...done ** Message: applet now removed from the notification area Initializing animation options...done Initializing fade options...done Initializing unitymtgrabhandles options...done Initializing workarounds options...done Initializing scale options...done compiz (expo) - Warn: failed to bind image to texture Initializing expo options...done Initializing ezoom options...done ** Message: using fallback from indicator to GtkStatusIcon (compiz:1846): GConf-CRITICAL **: gconf_client_add_dir: assertion `gconf_valid_key (dirname, NULL)' failed Initializing unityshell options...done Nautilus-Share-Message: Called "net usershare info" but it failed: 'net usershare' returned error 255: net usershare: cannot open usershare directory /var/lib/samba/usershares. Error No such file or directory Please ask your system administrator to enable user sharing. Setting Update "main_menu_key" Setting Update "run_key" Setting Update "launcher_hide_mode" Setting Update "edge_responsiveness" Setting Update "launcher_capture_mouse" ** Message: moving back from GtkStatusIcon to indicator compiz (decor) - Warn: failed to bind pixmap to texture ** (zeitgeist-datahub:2128): WARNING **: zeitgeist-datahub.vala:227: Unable to get name "org.gnome.zeitgeist.datahub" on the bus! failed to create drawable compiz (core) - Warn: glXCreatePixmap failed compiz (core) - Warn: Couldn't bind background pixmap 0x1e00001 to texture compiz (decor) - Warn: failed to bind pixmap to texture ** Message: No keyring secrets found for Sonic.net_356/802-11-wireless-security; asking user. compiz (decor) - Warn: failed to bind pixmap to texture compiz (decor) - Warn: failed to bind pixmap to texture ** Message: No keyring secrets found for Sonic.net_356/802-11-wireless-security; asking user. ** Message: No keyring secrets found for Sonic.net_356/802-11-wireless-security; asking user. ** Message: No keyring secrets found for Sonic.net_356/802-11-wireless-security; asking user. ** Message: No keyring secrets found for Sonic.net_356/802-11-wireless-security; asking user. ** Message: No keyring secrets found for Sonic.net_356/802-11-wireless-security; asking user. ** Message: No keyring secrets found for Sonic.net_356/802-11-wireless-security; asking user. ** Message: No keyring secrets found for Sonic.net_356/802-11-wireless-security; asking user. ** Message: No keyring secrets found for Sonic.net_356/802-11-wireless-security; asking user. ** Message: No keyring secrets found for Sonic.net_356/802-11-wireless-security; asking user. ** Message: No keyring secrets found for Sonic.net_356/802-11-wireless-security; asking user. ** Message: No keyring secrets found for Sonic.net_356/802-11-wireless-security; asking user. ** Message: No keyring secrets found for Sonic.net_356/802-11-wireless-security; asking user. [2348:2352:12678840568:ERROR:gpu_watchdog_thread.cc(231)] The GPU process hung. Terminating after 10000 ms. [2256:2283:14450711755:ERROR:ssl_client_socket_nss.cc(1542)] handshake with server mail.google.com:443 failed; NSS error code -5938, net_error -107 [2256:2283:14450726175:ERROR:ssl_client_socket_nss.cc(1542)] handshake with server mail.google.com:443 failed; NSS error code -5938, net_error -107 [2256:2283:14450746028:ERROR:ssl_client_socket_nss.cc(1542)] handshake with server mail.google.com:443 failed; NSS error code -5938, net_error -107 [2256:2283:14464521342:ERROR:ssl_client_socket_nss.cc(1542)] handshake with server mail.google.com:443 failed; NSS error code -5938, net_error -107 [2256:2283:14464541249:ERROR:ssl_client_socket_nss.cc(1542)] handshake with server mail.google.com:443 failed; NSS error code -5938, net_error -107 [2256:2283:14690775186:ERROR:ssl_client_socket_nss.cc(1542)] handshake with server mail.google.com:443 failed; NSS error code -5938, net_error -107 [2256:2283:14690795231:ERROR:ssl_client_socket_nss.cc(1542)] handshake with server mail.google.com:443 failed; NSS error code -5938, net_error -107 [2256:2283:14704543843:ERROR:ssl_client_socket_nss.cc(1542)] handshake with server mail.google.com:443 failed; NSS error code -5938, net_error -107 [2256:2283:14704566717:ERROR:ssl_client_socket_nss.cc(1542)] handshake with server mail.google.com:443 failed; NSS error code -5938, net_error -107 [2256:2283:14766138587:ERROR:ssl_client_socket_nss.cc(1542)] handshake with server mail.google.com:443 failed; NSS error code -5938, net_error -107 [2256:2283:14857232694:ERROR:ssl_client_socket_nss.cc(1542)] handshake with server mail.google.com:443 failed; NSS error code -5938, net_error -107 [2256:2283:14930901403:ERROR:ssl_client_socket_nss.cc(1542)] handshake with server mail.google.com:443 failed; NSS error code -5938, net_error -107 [2256:2283:14930965542:ERROR:ssl_client_socket_nss.cc(1542)] handshake with server mail.google.com:443 failed; NSS error code -5938, net_error -107 [2256:2283:14944566814:ERROR:ssl_client_socket_nss.cc(1542)] handshake with server mail.google.com:443 failed; NSS error code -5938, net_error -107 [2256:2283:14944592215:ERROR:ssl_client_socket_nss.cc(1542)] handshake with server mail.google.com:443 failed; NSS error code -5938, net_error -107 [2256:2283:15170929788:ERROR:ssl_client_socket_nss.cc(1542)] handshake with server mail.google.com:443 failed; NSS error code -5938, net_error -107 [2256:2283:15170947382:ERROR:ssl_client_socket_nss.cc(1542)] handshake with server mail.google.com:443 failed; NSS error code -5938, net_error -107 [2256:2283:15184585015:ERROR:ssl_client_socket_nss.cc(1542)] handshake with server mail.google.com:443 failed; NSS error code -5938, net_error -107 [2256:2283:15184605475:ERROR:ssl_client_socket_nss.cc(1542)] handshake with server mail.google.com:443 failed; NSS error code -5938, net_error -107 [2256:2283:15366189036:ERROR:ssl_client_socket_nss.cc(1542)] handshake with server mail.google.com:443 failed; NSS error code -5938, net_error -107 [2256:2283:15410983381:ERROR:ssl_client_socket_nss.cc(1542)] handshake with server mail.google.com:443 failed; NSS error code -5938, net_error -107 [2256:2283:15411569689:ERROR:ssl_client_socket_nss.cc(1542)] handshake with server mail.google.com:443 failed; NSS error code -5938, net_error -107 [2256:2283:15431632431:ERROR:ssl_client_socket_nss.cc(1542)] handshake with server mail.google.com:443 failed; NSS error code -5938, net_error -107 [2256:2283:15431674438:ERROR:ssl_client_socket_nss.cc(1542)] handshake with server mail.google.com:443 failed; NSS error code -5938, net_error -107 [2256:2283:15457304356:ERROR:ssl_client_socket_nss.cc(1542)] handshake with server mail.google.com:443 failed; NSS error code -5938, net_error -107 [2256:2283:15656020938:ERROR:ssl_client_socket_nss.cc(1542)] handshake with server mail.google.com:443 failed; NSS error code -5938, net_error -107 [2256:2283:15656042383:ERROR:ssl_client_socket_nss.cc(1542)] handshake with server mail.google.com:443 failed; NSS error code -5938, net_error -107 [2256:2283:15674651268:ERROR:ssl_client_socket_nss.cc(1542)] handshake with server mail.google.com:443 failed; NSS error code -5938, net_error -107 [2256:2283:15674671786:ERROR:ssl_client_socket_nss.cc(1542)] handshake with server mail.google.com:443 failed; NSS error code -5938, net_error -107 [2256:2283:16052544301:ERROR:ssl_client_socket_nss.cc(1542)] handshake with server mail.google.com:443 failed; NSS error code -5938, net_error -107 [2256:2283:16057387653:ERROR:ssl_client_socket_nss.cc(1542)] handshake with server mail.google.com:443 failed; NSS error code -5938, net_error -107 [2256:2283:16157122849:ERROR:ssl_client_socket_nss.cc(1542)] handshake with server mail.google.com:443 failed; NSS error code -5938, net_error -107 [2256:2283:16157123851:ERROR:ssl_client_socket_nss.cc(1542)] handshake with server mail.google.com:443 failed; NSS error code -5938, net_error -107 [2256:2283:16157125473:ERROR:ssl_client_socket_nss.cc(1542)] handshake with server mail.google.com:443 failed; NSS error code -5938, net_error -107 [2256:2283:16157126544:ERROR:ssl_client_socket_nss.cc(1542)] handshake with server mail.google.com:443 failed; NSS error code -5938, net_error -107 [2256:2283:16157129682:ERROR:ssl_client_socket_nss.cc(1542)] handshake with server mail.google.com:443 failed; NSS error code -5938, net_error -107 If anyone can help me out, I'd be forever grateful

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• Android - Create a custom multi-line ListView bound to an ArrayList

  - by Bill Osuch

  The Android HelloListView tutorial shows how to bind a ListView to an array of string objects, but you'll probably outgrow that pretty quickly. This post will show you how to bind the ListView to an ArrayList of custom objects, as well as create a multi-line ListView. Let's say you have some sort of search functionality that returns a list of people, along with addresses and phone numbers. We're going to display that data in three formatted lines for each result, and make it clickable. First, create your new Android project, and create two layout files. Main.xml will probably already be created by default, so paste this in: <?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"  android:orientation="vertical"  android:layout_width="fill_parent"   android:layout_height="fill_parent">  <TextView   android:layout_height="wrap_content"   android:text="Custom ListView Contents"   android:gravity="center_vertical|center_horizontal"   android:layout_width="fill_parent" />   <ListView    android:id="@+id/ListView01"    android:layout_height="wrap_content"    android:layout_width="fill_parent"/> </LinearLayout> Next, create a layout file called custom_row_view.xml. This layout will be the template for each individual row in the ListView. You can use pretty much any type of layout - Relative, Table, etc., but for this we'll just use Linear: <?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"  android:orientation="vertical"  android:layout_width="fill_parent"   android:layout_height="fill_parent">   <TextView android:id="@+id/name"   android:textSize="14sp"   android:textStyle="bold"   android:textColor="#FFFF00"   android:layout_width="wrap_content"   android:layout_height="wrap_content"/>  <TextView android:id="@+id/cityState"   android:layout_width="wrap_content"   android:layout_height="wrap_content"/>  <TextView android:id="@+id/phone"   android:layout_width="wrap_content"   android:layout_height="wrap_content"/> </LinearLayout> Now, add an object called SearchResults. Paste this code in: public class SearchResults {  private String name = "";  private String cityState = "";  private String phone = "";  public void setName(String name) {   this.name = name;  }  public String getName() {   return name;  }  public void setCityState(String cityState) {   this.cityState = cityState;  }  public String getCityState() {   return cityState;  }  public void setPhone(String phone) {   this.phone = phone;  }  public String getPhone() {   return phone;  } } This is the class that we'll be filling with our data, and loading into an ArrayList. Next, you'll need a custom adapter. This one just extends the BaseAdapter, but you could extend the ArrayAdapter if you prefer. public class MyCustomBaseAdapter extends BaseAdapter {  private static ArrayList<SearchResults> searchArrayList;    private LayoutInflater mInflater;  public MyCustomBaseAdapter(Context context, ArrayList<SearchResults> results) {   searchArrayList = results;   mInflater = LayoutInflater.from(context);  }  public int getCount() {   return searchArrayList.size();  }  public Object getItem(int position) {   return searchArrayList.get(position);  }  public long getItemId(int position) {   return position;  }  public View getView(int position, View convertView, ViewGroup parent) {   ViewHolder holder;   if (convertView == null) {    convertView = mInflater.inflate(R.layout.custom_row_view, null);    holder = new ViewHolder();    holder.txtName = (TextView) convertView.findViewById(R.id.name);    holder.txtCityState = (TextView) convertView.findViewById(R.id.cityState);    holder.txtPhone = (TextView) convertView.findViewById(R.id.phone);    convertView.setTag(holder);   } else {    holder = (ViewHolder) convertView.getTag();   }      holder.txtName.setText(searchArrayList.get(position).getName());   holder.txtCityState.setText(searchArrayList.get(position).getCityState());   holder.txtPhone.setText(searchArrayList.get(position).getPhone());   return convertView;  }  static class ViewHolder {   TextView txtName;   TextView txtCityState;   TextView txtPhone;  } } (This is basically the same as the List14.java API demo) Finally, we'll wire it all up in the main class file: public class CustomListView extends Activity {     @Override     public void onCreate(Bundle savedInstanceState) {         super.onCreate(savedInstanceState);         setContentView(R.layout.main);                 ArrayList<SearchResults> searchResults = GetSearchResults();                 final ListView lv1 = (ListView) findViewById(R.id.ListView01);         lv1.setAdapter(new MyCustomBaseAdapter(this, searchResults));                 lv1.setOnItemClickListener(new OnItemClickListener() {          @Override          public void onItemClick(AdapterView<?> a, View v, int position, long id) {           Object o = lv1.getItemAtPosition(position);           SearchResults fullObject = (SearchResults)o;           Toast.makeText(ListViewBlogPost.this, "You have chosen: " + " " + fullObject.getName(), Toast.LENGTH_LONG).show();          }          });     }         private ArrayList<SearchResults> GetSearchResults(){      ArrayList<SearchResults> results = new ArrayList<SearchResults>();            SearchResults sr1 = new SearchResults();      sr1.setName("John Smith");      sr1.setCityState("Dallas, TX");      sr1.setPhone("214-555-1234");      results.add(sr1);            sr1 = new SearchResults();      sr1.setName("Jane Doe");      sr1.setCityState("Atlanta, GA");      sr1.setPhone("469-555-2587");      results.add(sr1);            sr1 = new SearchResults();      sr1.setName("Steve Young");      sr1.setCityState("Miami, FL");      sr1.setPhone("305-555-7895");      results.add(sr1);            sr1 = new SearchResults();      sr1.setName("Fred Jones");      sr1.setCityState("Las Vegas, NV");      sr1.setPhone("612-555-8214");      results.add(sr1);            return results;     } } Notice that we first get an ArrayList of SearchResults objects (normally this would be from an external data source...), pass it to the custom adapter, then set up a click listener. The listener gets the item that was clicked, converts it back to a SearchResults object, and does whatever it needs to do. Fire it up in the emulator, and you should wind up with something like this:

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