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• Tutorial for configuring OpenVPN [on hold]

  - by user2699451

  I have been through 10+ tutorials on setting up a OpenVPN, and each tutorial gives a different problem... Does anyone know of a decent and helpful website/tutorial which I could go to to get it set up? I have been battling through it for almost 2 months now. Yes, I have also bugged forums.openvpn, but I think I have "reached my post limit" with them. I have to configure it remotely via ssh. UPDATE: okay, I have been asked to be more clear on the topic I followed this tutorial (as a example) - http://www.servermom.com/how-to-build-openvpn-server-on-centos-6-x/732/ I had no issues setting up, etc. except when I boot into windows and run the OpenVPN GUI Client, it connects and gives this error: WARNING: Bad encapsulated packet length from peer (21331), which must be 0 and <= 1576 -- please ensure that --tun-mtu or --link-mtu is equal on both peers -- this condition could also indicate a possible active attack on the TCP link -- [Attemping restart...] Here is my server config: port 1194 #- port proto udp #- protocol dev tun tun-mtu 1500 tun-mtu-extra 32 mssfix 1450 reneg-sec 0 ca /etc/openvpn/easy-rsa/2.0/keys/ca.crt cert /etc/openvpn/easy-rsa/2.0/keys/server.crt key /etc/openvpn/easy-rsa/2.0/keys/server.key dh /etc/openvpn/easy-rsa/2.0/keys/dh1024.pem plugin /usr/lib64/openvpn/plugin/lib/openvpn-auth-pam.so /etc/pam.d/login #- Co$ #plugin /etc/openvpn/radiusplugin.so /etc/openvpn/radiusplugin.cnf #- Uncomment$ client-cert-not-required username-as-common-name server 10.8.0.0 255.255.255.0 push "redirect-gateway def1" push "dhcp-option DNS 8.8.8.8" push "dhcp-option DNS 8.8.4.4" keepalive 5 30 comp-lzo persist-key persist-tun status 1194.log verb 3 and my client config: client dev tun proto udp remote [server ip] 1194 # - Your server IP and OpenVPN Port resolv-retry infinite nobind tun-mtu 1500 tun-mtu-extra 32 mssfix 1450 persist-key persist-tun ca ca.crt auth-user-pass comp-lzo reneg-sec 0 verb 3 OpenVPN Client Log: Thu Oct 31 11:51:29 2013 OpenVPN 2.0.9 Win32-MinGW [SSL] [LZO] built on Oct 1 2006 Thu Oct 31 11:51:44 2013 IMPORTANT: OpenVPN's default port number is now 1194, based on an official port number assignment by IANA. OpenVPN 2.0-beta16 and earlier used 5000 as the default port. Thu Oct 31 11:51:44 2013 WARNING: No server certificate verification method has been enabled. See http://openvpn.net/howto.html#mitm for more info. Thu Oct 31 11:51:44 2013 LZO compression initialized Thu Oct 31 11:51:44 2013 Control Channel MTU parms [ L:1576 D:140 EF:40 EB:0 ET:0 EL:0 ] Thu Oct 31 11:51:44 2013 Data Channel MTU parms [ L:1576 D:1450 EF:44 EB:135 ET:32 EL:0 AF:3/1 ] Thu Oct 31 11:51:44 2013 Local Options hash (VER=V4): '2547efd2' Thu Oct 31 11:51:44 2013 Expected Remote Options hash (VER=V4): '77cf0943' Thu Oct 31 11:51:44 2013 Attempting to establish TCP connection with x.x.x.x:1194 Thu Oct 31 11:51:44 2013 TCP connection established with x.x.x.x:1194 Thu Oct 31 11:51:44 2013 TCPv4_CLIENT link local: [undef] Thu Oct 31 11:51:44 2013 TCPv4_CLIENT link remote: x.x.x.x:1194 // after this it just hangs, nothing happens So I dont know what I am doing wrong but I am getting a bit impatient and on each forum I post this, I get stupid/unrelated/unhelpful answers...

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• How to disable Microsoft eHome MCIR Keyboard and company?

  - by AndrejaKo

  Hi! I'm and unlucky owner of and Acer 7720G laptop which, like many in its category, has receiver for a proprietary infra red remote control device (which I did not receive with my laptop!) . Now my problem is that the receiver is detected as Microsoft eHome MCIR Keyboard, Microsoft eHome MCIR 109 Keyboard and Microsoft eHome Remote Control Keyboard keys. My problem is that this driver has incompatibilities with some programs I use like for example DosBox. When these devices are installed, they cause DosBox to incorrectly detect some keyboard buttons. The workaround is to remove or disable the 3 hardware devices. Unfortunately, I the disable option is grayed out and when I delete them, they are reinstalled on next restart. Is there any way to hack windows in order to prevent their installation? I was thinking about locating the drivers these devices use, but they are buried somewhere in windows installation and I don't have enough experience to find them, so I'm asking you for help.

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• Proxification rulte for System process

  - by kseen

  I'm trying to configure Microsoft Visual Studio 2010 remote debugging and ran into issue: while connecting to remote computer running MSVSMON, client computer sends SYN request for connection. It makes it under the System process (as I see it in TCPView). As every network apps should be configured to use proxy in our network, I'm trying to add devenv.exe to proxification rules to make its traffic goes thru LAN's proxy server. It doesn't help. So my question is how can I make that low-level-system traffic will go through local area network proxy server?

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• How can I connect to a Windows server using a Command Line Interface? (CLI)

  - by HopelessN00b

  Especially with the option to install Server Core in Server 2008 and above, connecting to Windows servers over a CLI is increasingly useful ability, if not one that's very widespread amongst Windows administrators. Practically every Windows GUI management tool has an option to connect to a remote computer, but there is no such option present in the built-in Windows CLI (cmd.exe), which gives the initial impression that this might not be possible. Is it possible to remotely management or administer a Windows Server using a CLI? And if so, what options are there to achieve this?

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• Prevent zsh from trying to expand everything

  - by Attila O.

  Recently switched from bash, I noticed that zsh will try to expand every command or argument that looks like it has wildcards in it. So the following lines won't work any more: git diff master{,^^} zsh: no matches found: master^^ scp remote:~/*.txt . zsh: no matches found: remote:~/*.txt The only way to make the above commands work is to quote the arguments, which is quite annoying. Q: How do I configure zsh to still try to expand wildcards, but if there are no matches, just pass on the argument as-is? EDIT: Possibly related: scp with zsh : no matches found

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• Can't connect to Windows Server 2008 shared folders via VPN connection

  - by Pearl

  I set up an VPN connection on my 2008 server using RRAS. The VPN seems to work fine. I can connect from outside the network. I am also able to establish a remote access connection via the VPN-IP. However, I can't access my shared folders. After connecting to the VPN I can ping the server, but it is not shown in my networks. using \ip or \server-name doesn't work either, cannot be found. I checked ipconfig and this is what I found regarding the VPN: DNS-Suffix: Description: test Physical Adress: DHCP activated: No Auto-Config: Yes IPv4-Adress: 192.168.2.114 Sub: 255.255.255.255 Standard-gateway: DNS-Server: 192.168.0.1 NetBIOS: activated To clarify my IP-situation: server is connected to router with 192.168.0.x, the test-client is in an external network connected to a router with 192.168.1.x, server-client connection is using static ips with 192.168.2.x Can anyone help me with this one? The VPN should be ok since I am able to establish remote access.

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• Vanilla TeX Live 2009 on Ubuntu

  - by reprogrammer

  I installed TeX Live 2009 by following the instructions at http://www.tug.org/texlive/quickinstall. Then, to make my local TeX Live installation work with the Ubuntu package management system, I followed the instructions on http://www.tug.org/texlive/debian.html. That is, I performed the following steps. $ sudo aptitude install equivs $ mkdir /tmp/tl-equivs && cd /tmp/tl-equivs $ equivs-control texlive-local # I replaced the contents of texlive-local by http://www.tug.org/texlive/debian-control-ex.txt $ equivs-build texlive-local $ sudo dpkg -i texlive-local_2009-1~1_all.deb However, when I go about installing kile through the Ubuntu package management system, it requires me to install a lot of dependencies that are already provided by my texlive-local package. Does any one have a suggestion to fix this problem?

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• Socat and rich terminals (with Ctrl+C/Ctrl+Z/Ctrl+D propagation)

  - by Vi

  socat - exec:'bash -li',pty,stderr,ctty - bash: no job control in this shell What options should I use to get fully fledged shell as I get with ssh/sshd? I want to be able to connect the shell to everything socat can handle (SOCKS 5, UDP, OpenSSL), but also to have a nice shell which correctly interprets all keys, various Ctrl+C/Ctrl+Z, tab completion, up/down keys (with remote history). Update: Found "setsid" socat option. It fixes "no job control". Now trying to fix Ctrl+D. Update 2: socat file:`tty`,raw,echo=0 exec:'bash -li',pty,stderr,setsid,sigint,sane. Not it handles Ctrl+D/Ctrl+Z/Ctrl+C well, I can start Vim inside it, remote history is OK.

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• Accessing A Shared Directory That Has An Account White List

  - by Xan

  I'm on a LAN here at work and I have my desktop sharing some of my project folders. I can access the computer via \\ComputerIP\, but I can't actually open any of the folders. Upon attempting, I get the error: Windowns cannot access \ComputerIP\ProjectFolder You do not have permission to access \ComputerIP\ProjectFolder. Contact your network administrator to request access. For more information about permissions, see Windows Help and Support Now, this is understood considering I've made it so that you had to utilize the "Project" credentials to connect. I have a user account on my main computer hosting these shared folders that gives full access to the folders if you are this "Project" user. I can Remote Desktop the computer just fine from my laptop using either set of credentials. When I try to open these folders it doesn't give me the option to attempt to apply any credentials like it does when I remote desktop. How am I supposed to gain access to these folders?

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• Cannot format SD memory card

  - by cool

  Hello everyone I have a SD memory card which is of local manufacturer it allows to read & copy from it but not write as it is now write-protected so i want to format that card but could not. To format this card I have tried 1) DD command 2) mkfs -f vfat command 3) creating registry entry under storage device policy in window with write value 0 4) disk part command in window to clear attributes in which it show all attributes are clear ie no write protection 5) I format card in windows through control panel - administrative tools- computer management - disk management, then it show as formatted but when I tried to create new partition it give CYCLIC REDUNDANCY CHECK error 6) I downloaded a format utility from transcend site and formatted first it shows write protected again doing format it formats and tells to remove and reinsert after reinsertion it shows the previous data as it is

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• RHEL 5/CentOS 5 - sshd becomes unresponsive

  - by ewwhite

  I have a number of CentOS 5.x and RHEL 5.x systems whose SSH daemons become unresponsive, preventing remote logins. The typical error from the connecting side is: $ ssh db1 db1 : ssh_exchange_identification: Connection closed by remote host Examining /var/log/messages after a forced reboot shows the following leading up to the restart: Dec 10 10:45:51 db1 sshd[14593]: fatal: Privilege separation user sshd does not exist Dec 10 10:46:02 db1 sshd[14595]: fatal: Privilege separation user sshd does not exist Dec 10 10:46:54 db1 sshd[14711]: fatal: Privilege separation user sshd does not exist Dec 10 10:47:38 db1 sshd[14730]: fatal: Privilege separation user sshd does not exist These systems use LDAP authentication and the nsswitch.conf file is configured to look at local "files" first. [root@db1 ~]# cat /etc/nsswitch.conf # # /etc/nsswitch.conf # passwd: files ldap shadow: files ldap group: files ldap hosts: files dns The Privilege-separated SSH user exists in the local password file. [root@db1 ~]# grep ssh /etc/passwd sshd:x:74:74:Privilege-separated SSH:/var/empty/sshd:/sbin/nologin Any ideas on what the root cause is? I did not see any Red Hat errata that covers this.

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• Windows Server 2008 R2 Software Deployment on Active Directory - Schema Issue

  - by weedave

  We have two servers, one running Windows Server 2003 SP2 and one running Windows Server 2008 R2. Both servers have their own versions of Group Policy Management (1.0.2 on 2003 and 6.0.0.1 on 2008). We are wanting to migrate everything over to the newer 2008 server, including software deployment. However, when I try to add a new software package using a .msi file, I get the following error: "The schema for the software installation data in the Active Directory does not match the required schema." I have tried two separate software packages and get the same error on the 2008 server. However, when I do the same on the 2003 server, it adds the software package without any problems. The .msi files I am using are up-to-date - one is the most recent version of Google Chrome. Is this problem caused by the different versions of the OS, or the Group Policy Management program? How do we "upgrade" our Active Directory to allow software deployment on the 2008 server? Thanks.

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• Attempting to migrate to Aptana from Dreamweaver - how to?

  - by Kerry

  I have been using Dreamweaver for years, and have used Dreamweaver MX, Dreamweaver MX 2004, Dreamweaver 8 & Dreamweaver CS4. They all carry a common theme and were relatively easy to migrate to each other. I use, however, very few features of dreamweaver. Specifically: Syntax highlighting Telesense FTP management/site management The search/replace The idea I get from Aptana is its much more geared toward the web development/programmer side of things, have better visualizations of classes, etc., and handle everything else just as well. The problem is it is not at all clear to me. I managed to start a new project, but it didn't associate it with an FTP. So, I created an FTP, and it looks like I can have many FTPs for one project. My question then is, is there a tutorial or guide to migrating to Aptana from a Dreamweavor's perspective?

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• Cannot activate windows 7

  - by Charlie

  I can't activate Windows 7, I get an error saying DNS name does not exist. Is something configured incorrectly somewhere? PS: I need the answer within 13 days ;) UPDATE: I had upgraded from my company's Windows Vista build, and when I connect to the company VPN and activate I get a different error: The Software Licensing Service reported that the computer could not be activated. No Key Management Service (KMS) could be contacted. Please see the Application Event Log for additional information. The Application Event Log contains this (I took out the server name, it's one of the company servers): The client has sent an activation request to the key management service machine. Info: 0xC004F042, 0x00000000, xxxxxxxxxxxxxxxxxxxxxxxxx.com:1688, 7fbdc9b7-d654-49ed-80a7-81a34408f8dc, 2009/09/01 10:59, 0, 2, 17880, ae2ee509-1b34-41c0-acb7-6d4650168915, 25

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• Microsoft Word Document Recovery seems unresolvable

  - by LarsTech

  We work on a server (Windows Server 2003 Enterprise) that a bunch of us developers remote in using Remote Desktop Connection, and now every "other" time I open up word I get this Document Recovery pane: As you can see, "Delete" and "Show Repairs" are disabled (I don't think this is my document). "Open" or "Save As" works, but it never marks this document recovered, it just keeps coming up every "other" time I open up word. I don't even care about this document. How can I remove this document from the list so that it doesn't come up anymore? Update: As per Moab's comment, I had the user delete the file. But the Document Recovery still shows up with that item every other time Word is opened. The only difference now is that clicking on "Open" produces this (obvious) message: How can I clear this list? BTW, the user that owned this document was never getting the Document Recovery pane.

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• cannot add a user to sysadmin role in SQL Server

  - by George2

  I am using SQL Server 2008 Management Studio. The current logon account belongs to machine local administrator group. I am using Windows Integrated Security mode in SQL Server 2008. My issue is, after log into SQL Server Management Studio, I select my login name under Security/Logins, then select Server Roles Tab, then select the last item -- sysadmin to make myself belong to this group/role, but it says I do not have enough permission. Any ideas what is wrong? I think local administrator should be able to do anything. :-)

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• ISA Server Route Add Question

  - by Kip

  Hi All, I have a situation where I have and ISA 2006 server (on Win2k3) that has an internal and an externaly facing NIC's. All works fine but I need to add a couple of routes for the following reason: Our monitoring software is on a different network. Our Terminal server is on a different network. Currently, access to the internet, through this proxy server, from the terminal server fails. Also, monitoring of the ISA server via a remote monitor or the installed agent talking to the remote monitor (BMC) also fails. The default enterprise rule on ISA blocks the traffic as I beleive it doesn't trust / know about those networks. Here is my routing table: I need to add a couple of address, but this one being the main one: 192.168.245.137 / mask 255.255.255.192 / gateway 192.168.245.129 But I can't get it to work. Routing is not my strong point but at the moment have no one else available to help. Can you offer any assistance? Please ask if you need more info

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• Eliminating Duplicate Printers on Print Server 2008 R2

  - by user123247

  I added a print server role to our new 2008 R2 server and started adding printers to it that will be available to Remote Desktop sessions. When I added the Remote Desktop services role, I specified printer redirection, thinking that would be a good thing. On the PCs where I am testing all this, I added the network printers locally so that they would have the printer available for local use. When I logon to the 2008 R2 server, I notice that the printers I added are out there twice... once on the 2008 R2 server and an additional time redirected from my PC. Is there some way to eliminate this duplication w/o eliminating redirection?

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• Run application or script on Windows RDC connection

  - by NickLarsen

  I checked this thread, but it did not solve my exact problem. I need to run a script on when a connection is made across my network using windows remote desktop connection. The thread listed above works for the initial login, however, if I don't log out (which is necessary for some processes running on my network), then it wont run the script again the next time someone connects to the system using remote desktop connection. Previously we were using pcAnywhere to achieve this, however after running into some graphical issues with pcAnywhere, we have decided to move away from it to RDC. For a little more information, we need to have an email sent out anytime a connection is made to particular machines. The login name will always be the same for those systems and we do not log off when closing the connection.

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• Is there a serious issue with setting the SUID bit on tcpdump?

  - by Dean

  I'm running tcpdump on a remote machine, and piping the output to Wireshark on my local machine over SSH. In order to do this, I had to set the SUID bit on tcpdump. For background, the remote machine is an Amazon EC2 running "Amazon Linux AMI 2012.09". On this image, there is no root password, and it is not possible to log in as root. You can't use sudo without a TTY, and therefore you have to set the SUID. What are the practical risks of setting this bit on tcpdump? Is there any need to be paranoid? Should I unset it whenever I'm not capturing?

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• How to prevent ssh git push to set file ownership?

  - by e-satis

  I have a remote bare git repository on an Ubuntu server, where the file are owned by the user my_project and the group my_project, with permissions set accordingly. All commiters are themself in the group my_project. When somebody commit then push from my Ubuntu laptop with the user my_user to the server via SSH, some files in the remote repository are created (updated?) so they now belong to the user and group my_user. Of course, when somebody else want to commit, he is now unable to do so because he doesn't have write permissions. I could set permission to 777 but it's not the best option. Is there any way I can solve this problem while keeping restricted write permissions.

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• Running command transparently over ssh

  - by jnsg

  By transparently I mean forwarding of: stdin, stdout and stderr standard signals (SIGHUP or SIGINT would be great for a start) As an example, consider these invocations of a (pointless) local and remote command: $ `cat - > /dev/null; sleep 10` < /local/file $ ssh user@host "cat - > /dev/null; sleep 10" < /local/file I can interrupt the first one with ^C just fine. But if I try this during the second one it only affects ssh, leaving the command running on the remote server if cat has already finished. I know about launching sshwith -t, but this way I can't send data via stdin. Is this possible with ssh alone at all?

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• Cloudify: bootstrap-localcloud: operation failed?

  - by quanta

  OS: Gentoo, CentOS Version: 2.1.0 Follow the quick start guide, I got the below error when running bootstrap-localcloud: cloudify@default> bootstrap-localcloud STARTING CLOUDIFY MANAGEMENT 2012-05-30 14:55:50,396 WARNING [org.cloudifysource.shell.commands.AbstractGSCommand] - ; \ Caused by: org.cloudifysource.shell.commands.CLIException: \ Error while starting agent. \ Please make sure that another agent is not already running. Operation failed. What port Cloudify is using to check that agent is running? PS: it's working fine when running on Windows. UPDATE: Wed May 30 22:37:30 ICT 2012 Reply to @tamirkorem and @Itai Frenkel: I'm pretty sure because this is the first time I run that command on 2 servers. More clearly, here're the output: cloudify@default> teardown-localcloud Teardown will uninstall all of the deployed services. Do you want to continue [y/n]? 2012-05-30 22:43:33,145 WARNING [org.cloudifysource.shell.commands.AbstractGSCommand] - Teardown failed. Failed to fetch the currently deployed applications list. For force teardown use the -force flag. Operation failed. cloudify@default> teardown-localcloud -force Teardown will uninstall all of the deployed services. Do you want to continue [y/n]? Failed to fetch the currently deployed applications list. Continuing teardown-localcloud. .2012-05-30 22:46:39,040 WARNING [org.cloudifysource.shell.commands.AbstractGSCommand] - Teardown aborted, an agent was not found on the local machine. Operation failed. and this one is the detailed result: cloudify@default> bootstrap-localcloud --verbose NIC Address=127.0.0.1 Lookup Locators=127.0.0.1:4172 Lookup Groups=localcloud Starting agent and management processes: gs-agent.sh gsa.global.lus 0 gsa.lus 0 gsa.gsc 0 gsa.global.gsm 0 gsa.gsm_lus 1 gsa.global.esm 0 gsa.esm 1 >/dev/null 2>&1 STARTING CLOUDIFY MANAGEMENT 2012-05-30 22:36:12,870 WARNING [org.cloudifysource.shell.commands.AbstractGSCommand] - ; Caused by: org.cloudifysource.shell.commands.CLIException: Error while starting agent. Please make sure that another agent is not already running. Command executed: /usr/local/src/gigaspaces-cloudify-2.1.0-ga/bin/gs-agent.sh gsa.global.lus 0 gsa.lus 0 gsa.gsc 0 gsa.global.gsm 0 gsa.gsm_lus 1 gsa.global.esm 0 gsa.esm 1 >/dev/null 2>&1 Reply to @Eliran Malka: there is no such process listening on port 4172: # netstat --protocol=inet -nlp Active Internet connections (only servers) Proto Recv-Q Send-Q Local Address Foreign Address State PID/Program name tcp 0 0 127.0.0.1:9050 0.0.0.0:* LISTEN 2363/tor tcp 0 0 127.0.0.1:3306 0.0.0.0:* LISTEN 2331/mysqld tcp 0 0 127.0.0.1:631 0.0.0.0:* LISTEN 2293/cupsd

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• gnu screen - mouse does not work in nested screen session

  - by Matthew

  I started a screen session inside another screen session, both on my local machine. This is using cygwin, but I don't think it matters. I have tried via ssh to a real unix machine but the behaviour is the same. Mouse works great in the first screen session, I'm able to open vim with :set mouse=a and I can click to move the cursor or switch tabs, and the mouse wheel scrolls. But in the nested session it does not work, mouse is only useful for selecting terminal text that gets put in the clipboard, but is not able to interact with vim. I want this to work because I usually work with a local screen session, then ssh to a remote server and have a remote screen session running too (hence the nesting) and I like to scroll swiftly in vim by using the mouse wheel. Can anyone tell me why the mouse works in the first layer of screen but not in the second, nested screen session, and how I can make it work? Thanks in advance, Matthew

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• cygWin connect by SSH using RSA key; ssh.exe couldn't create /home/user/.ssh

  - by Kirzilla

  Hello, I'm using Win XP and I'm trying to connect by SSH to remote host using RSA key. I've investigated that cygWin recognizes Documents and Settings dir as home directory Z:\app\cwRsync\bin>cygpath -H /cygdrive/c/Documents and Settings I've created .ssh directory in Documents and Settings/user/.ssh and moved known_hosts, id_rsa, id_rsa.pub there. Now, I'm trying to connect via ssh.exe to remote host Z:\app\cwRsync\bin>ssh -p 22 [email protected] Could not create directory '/home/user/.ssh'. The authenticity of host '[remotehost.com]:22 ([remotehost.com]:22)' can't be established. RSA key fingerprint is f7:f4:2c:e0:c6:7e:d2:a4:45:70:63:df:bf:f2:84:46. Are you sure you want to continue connecting (yes/no)? What I'm doing wrong? Why ssh.exe couldn't create directory /home/user/.ssh? Thank you.

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