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  • Two-Hop SSH connection with two separate public keys

    - by yigit
    We have the following ssh hop setup: localhost -> hub -> server hubuser@hub accepts the public key for localuser@localhost. serveruser@server accepts the public key for hubuser@hub. So we are issuing ssh -t hubuser@hub ssh serveruser@server for connecting to server. The problem with this setup is we can not scp directly to the server. I tried creating .ssh/config file like this: Host server user serveruser port 22 hostname server ProxyCommand ssh -q hubuser@hub 'nc %h %p' But I am not able to connect (yigit is localuser): $ ssh serveruser@server -v OpenSSH_6.1p1, OpenSSL 1.0.1c 10 May 2012 debug1: Reading configuration data /home/yigit/.ssh/config debug1: /home/yigit/.ssh/config line 19: Applying options for server debug1: Reading configuration data /etc/ssh/ssh_config debug1: Executing proxy command: exec ssh -q hubuser@hub 'nc server 22' debug1: permanently_drop_suid: 1000 debug1: identity file /home/yigit/.ssh/id_rsa type 1000 debug1: identity file /home/yigit/.ssh/id_rsa-cert type -1 debug1: identity file /home/yigit/.ssh/id_dsa type -1 debug1: identity file /home/yigit/.ssh/id_dsa-cert type -1 debug1: identity file /home/yigit/.ssh/id_ecdsa type -1 debug1: identity file /home/yigit/.ssh/id_ecdsa-cert type -1 debug1: Remote protocol version 2.0, remote software version OpenSSH_5.9p1 Debian-5ubuntu1 debug1: match: OpenSSH_5.9p1 Debian-5ubuntu1 pat OpenSSH_5* debug1: Enabling compatibility mode for protocol 2.0 debug1: Local version string SSH-2.0-OpenSSH_6.1 debug1: SSH2_MSG_KEXINIT sent debug1: SSH2_MSG_KEXINIT received debug1: kex: server->client aes128-ctr hmac-md5 none debug1: kex: client->server aes128-ctr hmac-md5 none debug1: sending SSH2_MSG_KEX_ECDH_INIT debug1: expecting SSH2_MSG_KEX_ECDH_REPLY debug1: Server host key: ECDSA cb:ee:1f:78:82:1e:b4:39:c6:67:6f:4d:b4:01:f2:9f debug1: Host 'server' is known and matches the ECDSA host key. debug1: Found key in /home/yigit/.ssh/known_hosts:33 debug1: ssh_ecdsa_verify: signature correct debug1: SSH2_MSG_NEWKEYS sent debug1: expecting SSH2_MSG_NEWKEYS debug1: SSH2_MSG_NEWKEYS received debug1: Roaming not allowed by server debug1: SSH2_MSG_SERVICE_REQUEST sent debug1: SSH2_MSG_SERVICE_ACCEPT received debug1: Authentications that can continue: publickey debug1: Next authentication method: publickey debug1: Offering RSA public key: /home/yigit/.ssh/id_rsa debug1: Authentications that can continue: publickey debug1: Trying private key: /home/yigit/.ssh/id_dsa debug1: Trying private key: /home/yigit/.ssh/id_ecdsa debug1: No more authentication methods to try. Permission denied (publickey). Notice that it is trying to use the public key localuser@localhost for authenticating on server and fails since it is not the right one. Is it possible to modify the ProxyCommand so that the key for hubuser@hub is used for authenticating on server?

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  • Binding keys from specific device in X.org

    - by Michal Cihar
    I have a remote control for presentations, which generates Next/Prior key events in X.org (Page up/down). I'd like to use these for navigating in playlist (using MPD, but it probably does not matter). The problem is that I want to make this control work all the time (without application having focus) and I don't want to lose Page up/down functionality from normal keyboard. Is there some application which would allow me to bind actions to events from specific keyboard? Or is there simple way to implement such thing on my own?

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  • Map keys in Vim

    - by efficiencyIsBliss
    I want to map e to mean end of line. I tried the following mapping in my vimrc: map $ e $ is the default end of line command. However, this doesn't work. I'm wondering what the problem is. Also, I want to map Alt+right/left arrow to navigate words. So, for example, Alt+right arrow would take me to end of word. This command is currently mapped to e. Any tips on how I would go about doing this? Thanks!

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  • Git SSH RSA keys

    - by Michael
    I thought I set up my key pairs correctly -- I can do git pulls. I can do git commits. But when I do a git push, it counts objects, decompresses, then says: fatal: the remote end hung up unexpectedly. What's the issue here? I'm a super user, so it's not folder writable / readable access problems -- it must be the way I set up the encryption key pair... how do I debug this ... since git pull works?

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  • Mimicing Mac-style command/alt/control keys in Linux

    - by Kenrick Rilee
    I absolutely love that Mac separates the command key from the control key, allowing OS shortcuts and text shortcuts to co-exist. It's incredibly useful, especially because it allows emacs shortcuts everywhere. I've searched almost everywhere for some kind of utility that can allow this and can't find anything. Any help? Note: I want to do more than just remap my keyboard. I want to actually split OS shortcuts and text shortcuts. The only way I can see doing that is to manually go through each shortcut in Gnome and Compiz and change it.

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  • pass an ID with hyperlik but cant get this ID value from a fk in one table when i click in insert

    - by susan
    Something strange happened in my codes, actually I have a hyperlink that pass ID value in a query string to second page.in second page i have 2 sql datasource that both these sql datasources should get this id value and pass it to a filter parameter to show sth in datalist. so in another word I have a first page that has an hyperlink read ID value from a datasource and pass it to second page.its like below: <asp:HyperLink ID="HyperLink1" runat="server" NavigateUrl='<%# "~/forumpage.aspx?ID="+Eval("ID")%>'><%#Eval("title")%> </asp:HyperLink> then in second page i have one sql datasource with a query like this ...where ID=@id and get this id in query string from db.it work great . but i have problem with second sql datasource in second page it has a query sth like below:...forms.question_id=@id then in sql reference both to query string as ID that get by first page in hyperlink. but when i click in insert button show me error with fk. error:Error:The INSERT statement conflicted with the FOREIGN KEY constraint "FK_forumreply_forumquestions". The conflict occurred in database "forum", table "dbo.forumquestions", column 'ID'. The statement has been terminated. my tables (question(ID,user_id(fk),Cat_id(fk),title,bodytext) (reply(ID,userr_id(fk),questionn_id(fk),titlereply,bodytestreply); When by hand in cb i gave a number in questionn_id like 1 it show me successful but when it want read from a filter by datasource this field face with problem. plzzzz help i really need skip from this part.and cause i am new i guess I cant understand the logic way clearly. <asp:SqlDataSource ID="sdsreply" runat="server" ConnectionString="<%$ ConnectionStrings:forumConnectionString %>" SelectCommand="SELECT forumreply.ID, forumreply.userr_id, forumreply.questionn_id, forumreply.bodytextreply, forumreply.datetimereply, forumquestions.ID AS Expr1, forumusers.ID AS Expr2, forumusers.username FROM forumquestions INNER JOIN forumreply ON forumquestions.ID = forumreply.questionn_id INNER JOIN forumusers ON forumquestions.user_id = forumusers.ID AND forumreply.userr_id = forumusers.ID where forumreply.questionn_id=@questionn_id"> <SelectParameters> <asp:QueryStringParameter Name="questionn_id" QueryStringField="ID" /> </SelectParameters> </asp:SqlDataSource> it is cb for second page in insert button: { if (Session["userid"] != null) { lblreply.Text = Session["userid"].ToString(); } else { Session["userid"]=null; } if (HttpContext.Current.User.Identity.IsAuthenticated) { lblshow.Text = string.Empty; string d = HttpContext.Current.User.Identity.Name; lblshow.Text =d + "???? ??? ?????." ; foreach (DataListItem item in DataList2.Items) { Label questionn_idLabel = (Label)item.FindControl("questionn_idLabel"); Label userr_idLabel = (Label)item.FindControl("userr_idLabel"); lbltest.Text = string.Empty; lbltest.Text = questionn_idLabel.Text; lblreply.Text = string.Empty; lblreply.Text = userr_idLabel.Text; } } else { lblshow.Text = "??? ??? ??? ??? ?? ?? ?????? ???? ???? ???? ????? ??? ??? ? ??? ????? ???????."; } } { if(HttpContext.Current.User.Identity.IsAuthenticated) { if (Page.IsValid) { SqlConnection con = new SqlConnection(ConfigurationManager.ConnectionStrings["forumConnectionString"].ConnectionString); try { con.Open(); SqlCommand cmd = new SqlCommand("insert into forumreply (userr_id,questionn_id,bodytextreply,datetimereply)values(@userr_id,@questionn_id,@bodytextreply,@datetimereply)", con); cmd.Parameters.AddWithValue("userr_id",lblreply.Text); cmd.Parameters.AddWithValue("questionn_id",lbltest.Text); cmd.Parameters.AddWithValue("bodytextreply",txtbody.Text); cmd.Parameters.AddWithValue("datetimereply",DateTime.Now ); cmd.ExecuteNonQuery(); } catch (Exception exp) { Response.Write("<b>Error:</b>"); Response.Write(exp.Message); } finally { con.Close(); } lblmsg.Text = "???? ??? ?? ?????? ??? ?????.thx"; lblshow.Visible = false; //lbltxt.Text = txtbody.Text; txtbody.Text = string.Empty; } } else { lblmsg.Text = string.Empty; Session["rem"] = Request.UrlReferrer.AbsoluteUri; Response.Redirect("~/login.aspx"); } }

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  • Gerrit ssh key setup on windows server

    - by hotpotato
    I am attempting to configure google's 'Gerrit' code review web app on a Windows server 2008 virtual machine on our internal network. We are using Apache Tomcat (6.0.36) to host the web app and have deployed the gerrit.war to tomcats webapp folder, setup the context.xml, web.xml etc for the web app correctly i believe. However when i startup Tomcat using the $CATALINA_HOME/bin/startup.bat i get the following message in the tomcat logs: *Dec 07, 2012 1:03:54 PM org.apache.catalina.core.StandardContext listenerStart SEVERE: Exception sending context initialized event to listener instance of class com.google.gerrit.httpd.WebAppInitializer com.google.inject.CreationException: Guice creation errors:* 1) No SSH keys under C:\Gerrit\config\etc while locating com.google.gerrit.sshd.HostKeyProvider at com.google.gerrit.sshd.SshModule.configure(SshModule.java:90) I have created a is_rsa.pub SSH key and placed it in the specified directory to no avail. I have been googling this for about a week now and can't seem to find any information about the file or format it is expecting... documentation on setting gerrit up on windows seems hard to come by! Can anyone provide useful information about how to correctly configure a host SSH key in this context?

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  • ssh_exchange_identification: Connection closed by remote host

    - by rick
    Firstly, I know that this question has been asked a million times, and I have read everything I can find and still cannot fix the problem. i am encountering this issue when ssh'ing in from my mac to my Ubuntu server on a fresh install of Ubuntu (I reinstalled because of this issue). I have SSH portmapped to 7070 because my ISP is blocking 22. On the client: bash: ssh -p 7070 -v [email protected] debug1: Reading configuration data /etc/ssh_config debug1: Connecting to address.org port 7070. debug1: Connection established. debug1: identity file /home/me/.ssh/identity type -1 debug1: identity file /home/me/.ssh/id_rsa type 1 debug1: identity file /home/me/.ssh/id_dsa type -1 ssh_exchange_identification: Connection closed by remote host Here's what I have done to try to resolve the issue: Made sure my maxstartups is ok: bash: grep MaxStartups /etc/ssh/sshd_config #MaxStartups 10:30:60 Made sure hosts.deny is clear of denials. Made sure hosts.allow has my client IP. Clear out known_hosts on client Changed ownership of /var/run to root Made sure etc/run/ssh is Made sure /var/empty exists Reinstall openssh-server Reinstall ubuntu When I run telnet localhost, I get this: telnet localhost Trying ::1... Trying 127.0.0.1... telnet: Unable to connect to remote host: Connection refused When I run /usr/sbin/sshd -t Could not load host key: /etc/ssh/ssh_host_rsa_key Could not load host key: /etc/ssh/ssh_host_dsa_key When I regenerate the keys with ssh-keygen -t rsa -f /etc/ssh/ssh_host_rsa_key ssh-keygen -t dsa -f /etc/ssh/ssh_host_dsa_key I get the same error. I am pretty sure this is the issue. Can anyone help?

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  • DNSSEC - First Signature

    - by Arancha
    I'm testing DNSSEC with Bind 9.7.2-P2. I have a question regarding the first signature created over a zone that already exists. I'm using dynamic DNS. I create the first two keys: one KSK and one ZSK. According to https://datatracker.ietf.org/doc/draft-ietf-dnsop-dnssec-key-timing/, the first ZSK needs to be published for an interval equal to Ipub, before it can be active. I create the ZSK with a Publication date previous to its Activation date. I restart the service and I can see that the key is published at Publication date, but it's no active later, when Activation date arrives. This is the configuration of the zone dnssec.es at the named.conf file: zone "dnssec.es" { auto-dnssec maintain; update-policy local; sig-validity-interval 1; key-directory "dnssec/keys_dnssec"; type master; file "dnssec/db.dnssec.es"; }; Any clue?? Regards

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  • How to securely control access to a backend key server?

    - by andy
    I need to securely encrypt data in my database so that if the database is dumped, hackers are unable to decrypt the data. I'm planning on creating a simple key server on a different machine, and allowing the DB server access to it (restricted by IP address on the key server to permit the DB server). The key server would contain the key required to encrypt/decrypt data. However, if a hacker were able to get a shell on the DB server, they could request the key from the key server and therefore decrypt the data in the database. How could I prevent this (assuming all firewalls are in place, DB is not connected directly to the internet, etc)? i.e. is there some method I could use that could secure a request from the DB server to the key server so that even if a hacker had a shell on the DB server they'd be unable to make those same requests? Signed requests from the DB server could make issuing these requests less trivial - I suppose that'd help increase the amount of time it'd take to compromise the key server, something a hacker probably wouldn't have much of. As far as I can see, if someone can get a shell on the DB server everything's lost anyway. This could be mitigated by using one key per data item in the DB so at least there's not a single "master" key, but multiple keys that the hacker would need to access. What would be a secure method of ensuring requests from the DB server to the key server were authentic and could be trusted?

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  • How can I get media keys working on my keyboard?

    - by Victor9098
    Just got a new keyboard, the Microsoft comfort curve 2000, and everything seems to work fine accept for the 'back' and 'forward' multimedia keys. I am running Ubuntu 11.10 and have tried going into system settings - keyboard - shortcuts, then I try and hold down the keys to set the action I want them to perform, but nothing changes. Any thoughts on where else to look? Thanks -- UPDATE -- I rebooted and the options to change the keyboard shortcuts seem to be working now. Now I can tweak the whole thing and I managed to assign the media keys correctly. Thanks to everybody for the suggetions

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  • Import .pem public and private keys to JKS keystore

    - by Rolf
    Hi, I have public and private keys in separate .pem files that I would need to get into a JKS keystore somehow. Tried using the -import command in KeyTool for this, which gives an "not an X.509 certificate" error. I'm guessing the solution has to do with OpenSSL, but I'm not entirely sure what to do with it. Would really appreciate any help with this, since I'm completely clueless with everything crypto-related. Thanks in advance, --Rolf

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  • Software tools to automatically decrypt a file, whose encryption algorithm (and/or encryption keys)

    - by Andrew
    I have an idea for encryption that I could program fairly easily to encrypt some local text file. Given that my approach is novel, and does not use any of the industry standard encryption techniques, would I be able to test the strength of my encryption using 'cracker' apps or suchlike? Or do all those tools rely on advanced knowledge of the encryption process (or intercepted 'keys'), meaning I'd have to build my own cracker for testing?

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  • Multiple Columns as Primary keys

    - by rockbala
    CREATE TABLE Persons ( P_Id int NOT NULL, LastName varchar(255) NOT NULL, FirstName varchar(255), Address varchar(255), City varchar(255), CONSTRAINT pk_PersonID PRIMARY KEY (P_Id,LastName) ) The above example is taken from w3schools. From the above example, my understanding is that both P_Id, LastName together represents a Primary Key for the table Persons, correct ? Another question is why would some one want to use multiple columns as Primary keys instead of a single column ? How many such columns can be used in together as Primary key in a given table ? Thanks Balaji S

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  • Organizing memcache keys

    - by Industrial
    Hi! Im trying to find a good way to handle memcache keys for storing, retrieving and updating data to/from the cache layer in a more civilized way. Found this pattern, which looks great, but how do I turn it into a functional part of a PHP application? The Identity Map pattern: http://martinfowler.com/eaaCatalog/identityMap.html Thanks!

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  • rails i18n shared keys

    - by SMiX
    Hello. How can I define shared keys in my config/locales/lang.yml ? For example I want to use f.label :date and to see translated word "date" in all forms for all models.

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  • String literals vs constants for Session[...] dictionary keys

    - by FreshCode
    Session[Constant] vs Session["String Literal"] Performance I'm retrieving user-specific data like ViewData["CartItems"] = Session["CartItems"]; with a string literal for keys on every request. Should I be using constants for this? If yes, how should I go about implementing frequently used string literals and will it significantly affect performance on a high-traffic site? Related question does not address ASP.NET MVC or Session.

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  • How to decode JSON (varying number of elements, varying keys) using Jquery

    - by Obay
    My JSON looks like this: { "[email protected]":"Person1", "[email protected]":"Person65", "[email protected]":"Person24" } It's returned in various number of elements, and various keys. How do I traverse the data if my code is like this: $.post("includes/ajax.php", { group_id : $('#group').val() }, function(data) { //how do i traverse data here? }, "json"); Any help will be appreciated :) Thanks!

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  • Hibernate criteria DB2 composite keys in IN clause

    - by nkr1pt
    Hibernate criteria, using DB2 dialect, generates the following sql with composite keys in the IN clause, but DB2 answers that the query is incorrect: select * from tableA where (x, y) IN ( ( 'x1', y1) ) but, DB2 throws this: SQL0104N An unexpected token "," was found following ", y) in ( ('x1'". Expected tokens may include: "+". SQLSTATE=42601

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  • PHP Change Array Keys

    - by Ice
    Array(0= blabla 1 = blabla 2 = blblll) etc.. Is there a way to change all the numeric keys to "Name" without looping through the array (so a php function)?

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  • Cassandra use PHP SimpleCassie get all keys

    - by chnet
    Is it possible to get all keys in a column family using SimpleCassie? I looked at SimpleCassie's google code, but do not figure out. Another issue is that I used following code to access column value. $price = $cassie-keyspace('ToyStore')-cf('Toys')-key('Transformer')-column('Price')-get(); echo $price; It always complains "object of cassandra columnorsupercolumn cannot be converted to string". Is it possible to print out the column value?

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