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  • C# Dictionary<> and mutable keys

    - by Pierreten
    I was told that one of the many reasons strings were made immutable in the C# spec was to avoid the issue of HashTables having keys changed when references to the string keys altered their content. The Dictionary< type allows reference types to be used as a key. How does the dictionary avoid the issue of altered keys that lead to "misplaced" values? Is there a memberwise clone made of an object when used as a key?

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  • install avisynth under linux via ssh

    - by Issak
    i have a linux server (ubuntu os) to which i have access via ssh and wish to install avisynth on it. i know windows apps can be installed with the help of wine, but the problem is how i manage to install the app (avisynth) thru ssh, that is, without graphical intarface? can wine be somehow configured to manage such a case? what should i do to install avisynth via ssh? (am not insterested in other apps)

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  • Fetching Cassandra row keys

    - by knorv
    Assume a Cassandra datastore with 20 rows, with row keys named "r1" .. "r20". Questions: How do I fetch the row keys of the first ten rows (r1 to r10)? How do I fetch the row keys of the next ten rows (r11 to r20)? I'm looking for the Cassandra analogy to: SELECT row_key FROM table LIMIT 0, 10; SELECT row_key FROM table LIMIT 10, 10;

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  • Alternative ways of setting environment variables through PuTTy?

    - by A T
    Connecting via SSH to a SPARC server but am unable to set environmental variables through the usual PuTTy way, which gives me this error: Server refused to set environment variables I also noticed that export and set techniques don't work from the prompt; the only which works is: $ PATH=/everyones_passwords_in_plain_text/:$PATH How do I automatically run that line on every connect to this server?

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  • Should I switch my server to Ubuntu Server from Windows Server 2003

    - by user22162
    I have a server thats primarily used for SRCDS, I host a few Team Fortress 2 servers on it and I would much prefer a ssh-like (more so the no-gui part) for something like this, mostly because I can't navigate with my phone on VNC very well and also because there really is no need for a gui in this situation. I sort of want to make the switch but I am unsure, because my server 2003 is very fast and If I do need to reboot, it can reboot in under 30 seconds to desktop. Should I switch?

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  • Installing gitweb failed: No package gitweb available

    - by logii
    I have tried installing gitweb via ssh and failed. Below is what I get. root@server [~]# yum install gitweb Loaded plugins: fastestmirror Loading mirror speeds from cached hostfile * rpmforge: ftp-stud.fht-esslingen.de rpmforge | 1.1 kB 00:00 rpmforge/primary | 3.8 MB 00:19 rpmforge 10502/10502 Excluding Packages in global exclude list Finished Setting up Install Process No package gitweb available. Nothing to do Anyone has any idea of what else is missing?

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  • mysql: unrecognized service ... but mysql is installed and it's working

    - by mojtaba zavar
    I'm trying to stop mysql and do some changes , then i'm going to start it again I'm using a SSH client . So i ran this 3 commends without any problem mysql mysql> SET GLOBAL innodb_fast_shutdown = 0; exit; now when i type service mysql stop or service mysql i get mysql: unrecognized service whats wrong ? my site is online and it's using mysql database as i'm typing this , but i can't access service mysql some extra info CentOS release 6.4 (Final) Server version: 5.5.31 MySQL Community Server

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  • hg push Connection refused

    - by juanpablo
    Hi, I use a http://bitbucket.org private repository, usually works well, but now I can't do push. When I try get this message: hg push remote: ssh: connect to host bitbucket.org port 22: Connection refused abort: no suitable response from remote hg! Many thanks.

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  • Escaping Variable in Cat

    - by Peter
    I'm trying to write a shell script over ssh via a bash prompt. The shell, however, insists on interpreting any variable I want to write instead of writing it directly to file. For example, cat <<EOF >checkup.sh\n'$command'EOF is simply written as '' to file. How do I get $command written instead? I've tried every practical method of escaping I can think of. If it changes anything, I'm doing it over PHP using phpseclib.

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  • Xforwarding doesn't allow for switching users

    - by Dan
    I'm ssh'd into a remote computer and xforwarding is working fine... but as soon as I "sudo su -" or "sudo su user2" it no longer Xforwards anything giving me the error: X11 connection rejected because of wrong authentication. xterm Xt error: Can't open display: localhost:10.0 Any Ideas? Thanks

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  • Execute a remote command on a Mac from Windows

    - by ripper234
    What's the easiest way to execute a single command on a Mac from a remote Windows machine, via batch? I'd like minimal pre-configuration (like SSH credentials) to exist on either machines, as I need to apply this on several Win/Mac pairs. The macs all have a common user/password (in fact, they are on the same domain), and I want to automate this as painlessly as possible.

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  • Create disk image from a remote system

    - by cringe
    I want to backup a disk from a remote system, but the remote system itself has not enough space available. Now I want to use ddand pipe the output through ssh, but I can't figure out how to do it. I read several sources on the web, but I'm stuck now. Can someone please point me to a good resource or write down the command line with explanations?

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  • Forcecommand is giving strange results with Tmux

    - by Joeyjoejoejr
    I'm trying to set up pairing with tmux (wemux specifically). I have a pair user set up on my system and can ssh into pair and attach to a tmux session manually. However when I set up Forcecommand in the Match block to attach to tmux automatically on login, it fails saying that there is no tmux session to attach to. Permissions are set to 777 on the socket. I'm on OsX mountain lion, if that helps. Any ideas?

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  • Glassfish installation error: cannot open display

    - by Mannaz
    When trying to extract the Glassfish jar file with java -Xmx256m -jar glassfish-installer-v2.1-b60e-linux.jar i get following error: (.:31766): Gtk-WARNING **: cannot open display: and extraction doesn't happen. It somehow assumes i'm on an real machine rather on a SSH shell. How can i solve this?

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  • need to delete files owned by apache - unsure how to do that

    - by Brad
    Running apache on rhel server and sometimes I need to delete some files that I can not using my FTP program, because the FTP account I am logged into is not the apache user. I am on a Mac and there must be a way to accomplish this via terminal by either SSH'ing into the server. What credentials would I need to ssh into the server and delete the files/folders owned by apache Screen shot will show you what I mean when the file is owned by the apache user/group: http://cl.ly/e2192e6aadc8e4688c33 Any help is appreciated.

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  • avoid check of list of known hosts

    - by shantanuo
    I get the following prompt everytime I try to connect a server using SSH. I type "yes", but is there a way to aovid this? The authenticity of host '111.222.333.444 (111.222.333.444)' can't be established. RSA key fingerprint is f3:cf:58:ae:71:0b:c8:04:6f:34:a3:b2:e4:1e:0c:8b. Are you sure you want to continue connecting (yes/no)?

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  • Text editor on Windows for editing remote files

    - by Doug Harris
    I've got a team of web programmers that need to edit HTML and CSS that is stored on a linux server. They're all using Windows on their desktops. Rather than either teaching them to use vi/vim in a shell window or editing locally and copying using an SFTP client, I think it'd be easier to install a text editor which can transparently do the network negotiation. To reiterate, here are the requirements: Runs on Windows Can open file over sftp/ssh syntax highlighting for css/html

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  • Installing gitweb failed: No package gitweb available.

    - by logii
    I have tried installing gitweb via ssh and failed. Below is what I get. root@server [~]# yum install gitweb Loaded plugins: fastestmirror Loading mirror speeds from cached hostfile * rpmforge: ftp-stud.fht-esslingen.de rpmforge | 1.1 kB 00:00 rpmforge/primary | 3.8 MB 00:19 rpmforge 10502/10502 Excluding Packages in global exclude list Finished Setting up Install Process No package gitweb available. Nothing to do Anyone has any idea of what else is missing?

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