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  • SSH as root using public key still prompts for password on RHEL 6.1

    - by Dean Schulze
    I've generated rsa keys with cygwin ssh-keygen and copied them to the server with ssh-copy-id -i id_rsa.pub [email protected] I've got the following settings in my /etc/ssh/sshd_config file RSAAuthentication yes PubkeyAuthentication yes AuthorizedKeysFile .ssh/authorized_keys PermitRootLogin yes When I ssh [email protected] it still prompts for a password. The output below from /usr/sbin/sshd -d says that a matching keys was found in the .ssh/authorized_keys file, but it still requires a password from the client. I've read a bunch of web postings about permissions on files and directories, but nothing works. Is it possible to ssh with keys in RHEL 6.1 or is this forbidden? The debug output from ssh and sshd is below. $ ssh -v [email protected] OpenSSH_6.1p1, OpenSSL 1.0.1c 10 May 2012 debug1: Connecting to my.ip.address [my.ip.address] port 22. debug1: Connection established. debug1: identity file /home/dschulze/.ssh/id_rsa type 1 debug1: identity file /home/dschulze/.ssh/id_rsa-cert type -1 debug1: identity file /home/dschulze/.ssh/id_dsa type 2 debug1: identity file /home/dschulze/.ssh/id_dsa-cert type -1 debug1: identity file /home/dschulze/.ssh/id_ecdsa type -1 debug1: identity file /home/dschulze/.ssh/id_ecdsa-cert type -1 debug1: Remote protocol version 2.0, remote software version OpenSSH_5.3 debug1: match: OpenSSH_5.3 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: SSH2_MSG_KEX_DH_GEX_REQUEST(1024<1024<8192) sent debug1: expecting SSH2_MSG_KEX_DH_GEX_GROUP debug1: SSH2_MSG_KEX_DH_GEX_INIT sent debug1: expecting SSH2_MSG_KEX_DH_GEX_REPLY debug1: Server host key: RSA 9f:00:e0:1e:a2:cd:05:53:c8:21:d5:69:25:80:39:92 debug1: Host 'my.ip.address' is known and matches the RSA host key. debug1: Found key in /home/dschulze/.ssh/known_hosts:3 debug1: ssh_rsa_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,gssapi-keyex,gssapi-with-mic,password debug1: Next authentication method: publickey debug1: Offering RSA public key: /home/dschulze/.ssh/id_rsa debug1: Authentications that can continue: publickey,gssapi-keyex,gssapi-with-mic,password debug1: Offering DSA public key: /home/dschulze/.ssh/id_dsa debug1: Authentications that can continue: publickey,gssapi-keyex,gssapi-with-mic,password debug1: Trying private key: /home/dschulze/.ssh/id_ecdsa debug1: Next authentication method: password Here is the server output from /usr/sbin/sshd -d [root@ga2-lab .ssh]# /usr/sbin/sshd -d debug1: sshd version OpenSSH_5.3p1 debug1: read PEM private key done: type RSA debug1: private host key: #0 type 1 RSA debug1: read PEM private key done: type DSA debug1: private host key: #1 type 2 DSA debug1: rexec_argv[0]='/usr/sbin/sshd' debug1: rexec_argv[1]='-d' debug1: Bind to port 22 on 0.0.0.0. Server listening on 0.0.0.0 port 22. debug1: Bind to port 22 on ::. Server listening on :: port 22. debug1: Server will not fork when running in debugging mode. debug1: rexec start in 5 out 5 newsock 5 pipe -1 sock 8 debug1: inetd sockets after dupping: 3, 3 Connection from 172.60.254.24 port 53401 debug1: Client protocol version 2.0; client software version OpenSSH_6.1 debug1: match: OpenSSH_6.1 pat OpenSSH* debug1: Enabling compatibility mode for protocol 2.0 debug1: Local version string SSH-2.0-OpenSSH_5.3 debug1: permanently_set_uid: 74/74 debug1: list_hostkey_types: ssh-rsa,ssh-dss debug1: SSH2_MSG_KEXINIT sent debug1: SSH2_MSG_KEXINIT received debug1: kex: client->server aes128-ctr hmac-md5 none debug1: kex: server->client aes128-ctr hmac-md5 none debug1: SSH2_MSG_KEX_DH_GEX_REQUEST received debug1: SSH2_MSG_KEX_DH_GEX_GROUP sent debug1: expecting SSH2_MSG_KEX_DH_GEX_INIT debug1: SSH2_MSG_KEX_DH_GEX_REPLY sent debug1: SSH2_MSG_NEWKEYS sent debug1: expecting SSH2_MSG_NEWKEYS debug1: SSH2_MSG_NEWKEYS received debug1: KEX done debug1: userauth-request for user root service ssh-connection method none debug1: attempt 0 failures 0 debug1: PAM: initializing for "root" debug1: userauth-request for user root service ssh-connection method publickey debug1: attempt 1 failures 0 debug1: test whether pkalg/pkblob are acceptable debug1: PAM: setting PAM_RHOST to "172.60.254.24" debug1: PAM: setting PAM_TTY to "ssh" debug1: temporarily_use_uid: 0/0 (e=0/0) debug1: trying public key file /root/.ssh/authorized_keys debug1: fd 4 clearing O_NONBLOCK debug1: matching key found: file /root/.ssh/authorized_keys, line 1 Found matching RSA key: db:b3:b9:b1:c9:df:6d:e1:03:5b:57:d3:d9:c4:4e:5c debug1: restore_uid: 0/0 Postponed publickey for root from 172.60.254.24 port 53401 ssh2 debug1: userauth-request for user root service ssh-connection method publickey debug1: attempt 2 failures 0 debug1: temporarily_use_uid: 0/0 (e=0/0) debug1: trying public key file /root/.ssh/authorized_keys debug1: fd 4 clearing O_NONBLOCK debug1: matching key found: file /root/.ssh/authorized_keys, line 1 Found matching RSA key: db:b3:b9:b1:c9:df:6d:e1:03:5b:57:d3:d9:c4:4e:5c debug1: restore_uid: 0/0 debug1: ssh_rsa_verify: signature correct debug1: do_pam_account: called Accepted publickey for root from 172.60.254.24 port 53401 ssh2 debug1: monitor_child_preauth: root has been authenticated by privileged process debug1: temporarily_use_uid: 0/0 (e=0/0) debug1: ssh_gssapi_storecreds: Not a GSSAPI mechanism debug1: restore_uid: 0/0 debug1: SELinux support enabled debug1: PAM: establishing credentials PAM: pam_open_session(): Authentication failure debug1: Entering interactive session for SSH2. debug1: server_init_dispatch_20 debug1: server_input_channel_open: ctype session rchan 0 win 1048576 max 16384 debug1: input_session_request debug1: channel 0: new [server-session] debug1: session_new: session 0 debug1: session_open: channel 0 debug1: session_open: session 0: link with channel 0 debug1: server_input_channel_open: confirm session debug1: server_input_global_request: rtype [email protected] want_reply 0 debug1: server_input_channel_req: channel 0 request pty-req reply 1 debug1: session_by_channel: session 0 channel 0 debug1: session_input_channel_req: session 0 req pty-req debug1: Allocating pty. debug1: session_pty_req: session 0 alloc /dev/pts/1 ssh_selinux_setup_pty: security_compute_relabel: Invalid argument debug1: server_input_channel_req: channel 0 request shell reply 1 debug1: session_by_channel: session 0 channel 0 debug1: session_input_channel_req: session 0 req shell debug1: Setting controlling tty using TIOCSCTTY. debug1: Received SIGCHLD. debug1: session_by_pid: pid 17323 debug1: session_exit_message: session 0 channel 0 pid 17323 debug1: session_exit_message: release channel 0 debug1: session_pty_cleanup: session 0 release /dev/pts/1 debug1: session_by_channel: session 0 channel 0 debug1: session_close_by_channel: channel 0 child 0 debug1: session_close: session 0 pid 0 debug1: channel 0: free: server-session, nchannels 1 Received disconnect from 172.60.254.24: 11: disconnected by user debug1: do_cleanup debug1: PAM: cleanup debug1: PAM: deleting credentials

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  • Wifi connected but no data transfer

    - by Anuj
    I have a Desktop which runs on Windows XP and a laptop which runs in Ubuntu. Recently I have set up a wireless router in order to be able to access internet on my laptop through wifi. The laptop connects to the wifi at ease, but is unable to transfer any data. Only when I switch on my laptop for the first time, it is able to transfer some data only for around 2 mins, after which it shows Destination Host unreachable on pinging the router, and everything stops working, but the wifi still shows to be connected. Please help!

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  • MySQL cluster: Error after 1 data node is shutdown and started again

    - by nitins
    MySQL cluster: Error after 1 data node is shutdown and started again. We have configured MySQL cluster(version 7.1) with 2 sql/data nodes. We are using table space instead of in-memory clustering. The setup was working fine. So to test the setup I shutdown one data node, updated a table and and again stated the stopped node. Its giving this error and not starting. Any ideas ? Forced node shutdown completed. Occured during startphase 5. Caused by error 2306: 'Pointer too large(Internal error, programming error or missing error message, please report a bug). Temporary error, restart node'.

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  • Limit vsftpd upload to a given set of file-names

    - by Chen Levy
    I need to configure an anonymous ftp with upload. Given this requirement I try to lock this server down to the bear minimum. One of the restrictions I wish to impose is to enable the upload of only a given set of file-names. I tried to disallow write permission to the upload folder, and put in it some empty files with write permission: /var/ftp/ [root.root] [drwxr-xr-x] |-- upload/ [root.root] [drwxr-xr-x] | |-- upfile1 [ftp.ftp] [--w-------] | `-- upfile2 [ftp.ftp] [--w-------] `-- download/ [root.root] [drwxr-xr-x] `-- ... But this approach didn't work because when I tried to upload upfile1, it tried to delete and create a new file in its' place, and there is no permissions for that. Is there a way to make this work, or perhaps use a different approach like abusing the deny_file option?

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  • Remote connection to SQL server doesn't use the instance name

    - by Max
    I have a web server with SQL express 2008 installed. I was trying to connect to this from my local machine using SSMS. After enabling TCP/IP in SQL configuration manager, starting SQL browser service and opening up the firewall I still couldn't connect using xxx.xxx.xxx.xxx\sqlexpress as the server name. Finally out of frustration I tried to connect taking off the sqlexpress instance name to just xxx.xxx.xxx.xxx and it worked! I'm really at a loss here as to why this works. What would happen if I installed more instances of SQL?

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  • remote desktop: the app on the remote machine is confusing the controller's hostname with its own hostname

    - by David Dai
    I have 2 machines A, B, both run Windows OS. A is my work machine, B is a server on which I have already installed SQLServer. Now I want to install another software on B which runs on top of the SQLServer. I remote connect to B from A. Then on the remote desktop, I start the installer, along the installation process, there's a step where I can configure which server to connect to. normally B's hostname is entered automatically to the hostname field. The issue I'm having is, when I get to that step, A's hostname is entered automatically instead of B's, and even if I manually correct it to 'localhost' or '127.0.0.1' or B's hostname, the installer still cannot connect to B's service as if it still try to connect to A. Theoretically, how does this happen? how is this possible?

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  • SQL Server 2008 data directiories in SSD

    - by Kuroro
    I am going to install a new SQL server 2008 instance on my development/testing machine. My machine have one 7200rpm 500GB SATA Disk (C:OS) and one Intel X25-G2 80GB SSD(D:). Details machine config is as follow: CPU:i7 860 RAM:8GB Microsoft said I have an option to place following directories in different disk. So I plan to place User database & Temp DB on SSD and rest of it on traditional disk. Is it a good choice for gaining a performance boost in fast SSD? Data root directory :C:\Program Files\Microsoft SQL Server User database directory D:\Data User log directory C:\Logs Temp DB directory D:\TempDB Temp Log directory C:\TempDB Backup directory C:\Backups

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  • How to throttle your own internet connection?

    - by darkAsPitch
    I am writing a website and want to test it's speed on slower internet connections. I have the unfortunate first world problem of downloading at 100mbps, how can I throttle my own computer's internet connection to 56kbps or 5mbps to give myself an idea of how my users might be downloading my website? EDIT: I am using Windows primarily but also have an ubuntu laptop if the answer is linux oriented.

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  • connect remotely to apache2 on ubuntu 10.04

    - by ronakin
    I've apache2 server installed on a machine that connected to two different networks, therefore it has two different addresses: 192.168.1.111 (static ip on ethernet network) and 109.253.78.211. when connecting through 109.253.78.211 on the browser, the web pages are displayed perfectly, However, when connecting through 109.253.78.211 the web pages are displayed partially. I've not installed any firewalls. I'll really appreciate if you could redirect me to checks I should commit to reach the source of the problem. Thank you :)

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  • Test ethernet port for data loss

    - by Manoj
    We are trying to test the ethernet phy on our linux box for data loss. As of now we just establish a tftp connection to a server to upload and download a file. Whenever a mismatch occurs, it is reported as failure. This is not a very nice test, as any mismatch might have been caused by the network itself and not a phy problem. Can you suggest a way to test the ethernet phy in a better way for data loss? Thanks...

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  • Recover data from an ''unpartitioned'' hard drive

    - by Rafael S. Calsaverini
    I'm trying to recover data from a hdd for a friend from work. He was using it on an old win98 PC (so I guess it was a FAT 16 filesystem). When he installed the drive on a new PC his Windows XP can't recognize the filesystem and give an error message saying that the drive is unformatted. I tried to mount the hdd under linux but no partitions appear to be associated with the drive (I have only /dev/sdb associated with that drive and no /dev/sdb1 or sdb2 etc). I've found many articles on the web on how to recover partitions (with scripts like dd and ddrescue) but how do I make it when I have no partitions and the system say my drive is unpartioned? Is it possible to create a new partition without loosing the data?

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  • How to check mysql remote connectivity

    - by Mirage
    I have enable the ips in WHM for remote mysql but still i am not able to connect it. Is there any shell command for mysql which i can type to check the remote connectivity I mean any command to execute on server itself where mysql is installed or Any command to execute of local linux to check connectivity on remote MYsql server OS remote :Centos 5.4 local OS : Ubuntu

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  • Forcing Remote machine to serve RDP (or similar) session

    - by sMaN
    Due to a Dell/Nvidia design flaw in the Dell Inspiron 1420 series, my laptop no longer shows a display. I am looking for a solution to view it remotely. I have used it via RDP in the past (not for a year though) however for what ever reason I can no longer RDP, it could have been disabled some how. However, I'm on the same LAN, I can ping it, and know its login creditials. Is there a way I can hack into it remotely to force it to serve a RDP session or an alternative? Please bear in mind my only view I could have to its interface is via a remote session. Its running Windows 7 Pro

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  • Activesync/OWA Desktop Client

    - by prestomation
    At my company we have Exchange 2k3 with OWA being public, serving up Activesync and webmail. There is no pop3 or imap support from our admins. Outlook 2k3's RPC over HTTP is also disabled Is there a desktop client that can connect to Activesync or OWA? If my ipod touch can connect to activesync, why can't my pc? I'd preferably like a linux daemon that could simply forward emails to my gmail address, but I guess I'll take what I can get. Thanks EDIT: In case it was not clear, our Exchange server is hidden completely behind a firewall, and a second exchange server has only activesync and https ports opened to the world.

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  • 802.11 Capture Frame

    - by ALi
    I am using wireshark in monitor mode to capture all the frame. I buffered all the QosData in order to calculate the biterate of each station on the network. I calculate the biterate but it is not an accurate value. what i need to know is when the station use the network alone and when it uses it with another station? i know if two station with different wifi card for exemple ( st1 802.11g 54 Mb/s, st2 802.11n 300 Mb/s) if st1 uses alone the line the biterate used is 28 MB/s and if st2 uses alone the network the bit rate increase to approximately 150Mb/s but if the two station use the network at the same time the st1 lost about 80% of its bit rate because of the st1 wifi card thx in advance

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  • Creating svn repo programmatically from a webpage and sudo

    - by Adriano Varoli Piazza
    We want to automate the creation of the svn repos and trac environments for new projects. Basically, this would mean creating a web script that got some info (like env and repo name, etc) from the user and then executed sudo -u svn svnadmin create /var/svn/<projectname> trac-admin /var/trac/sites/<projectname> initenv [... All extra params...] For the second command, this is simple, as it already runs as the www-data user, so I wouldn't have to use sudo. But for the first command, I'd have to use sudo and add www-data to the sudoers file. I was wondering if this is a good idea, and how to do it in that case. Reading the manpage has left me with more doubts than certainties about this. This webserver would only be accessible from our internal network, by the way. The OS is Ubuntu Server 10.04.

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  • Which MAC address is the right one?

    - by Paul Dinh
    Result by 'getmac': C:\>getmac Physical Address Transport Name =================== ========================================================== 72-03-C6-48-59-34 \Device\Tcpip_{8AEB3263-18C4-449E-A80F-BC2541DDC2A9} 00-21-9B-D5-6F-EE \Device\Tcpip_{C2F9CE19-D68F-4105-9766-45CBE6D82331} 00-22-68-D2-9B-F7 \Device\Tcpip_{A2701130-9221-43FE-8F14-7B1114F84DC3} Result by 'ipconfig /all': C:\>ipconfig /all Windows IP Configuration Host Name . . . . . . . . . . . . : xps-m1530 Primary Dns Suffix . . . . . . . : Node Type . . . . . . . . . . . . : Mixed IP Routing Enabled. . . . . . . . : No WINS Proxy Enabled. . . . . . . . : No Ethernet adapter Wireless Network Connection: Connection-specific DNS Suffix . : Description . . . . . . . . . . . : Dell Wireless 1395 WLAN Mini-Card Physical Address. . . . . . . . . : 00-22-68-D2-9B-F7 Dhcp Enabled. . . . . . . . . . . : Yes Autoconfiguration Enabled . . . . : Yes Autoconfiguration IP Address. . . : 169.254.246.4 Subnet Mask . . . . . . . . . . . : 255.255.0.0 Default Gateway . . . . . . . . . : Ethernet adapter Local Area Connection: Connection-specific DNS Suffix . : Description . . . . . . . . . . . : Marvell Yukon 88E8040 PCI-E Fast Eth ernet Controller Physical Address. . . . . . . . . : 00-21-9B-D5-6F-EE Dhcp Enabled. . . . . . . . . . . : Yes Autoconfiguration Enabled . . . . : Yes IP Address. . . . . . . . . . . . : 192.168.1.112 Subnet Mask . . . . . . . . . . . : 255.255.255.0 Default Gateway . . . . . . . . . : 192.168.1.1 DHCP Server . . . . . . . . . . . : 192.168.1.1 DNS Servers . . . . . . . . . . . : 8.8.8.8 8.8.4.4 Lease Obtained. . . . . . . . . . : 01 November 2012 9:00:36 AM Lease Expires . . . . . . . . . . : 04 November 2012 9:00:36 AM There is a MAC address on the back of my laptop, but the sticker is no longer there. So I use the 'getmac' command to get the MAC addresses. But which address shown by 'getmac' above is the one matching the MAC in the sticker on the back of my laptop? Or am I mistaken something? 00-21-... is the ethernet adapter, 00-22-... is the wireless adapter, and 72-03-... is what?

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  • How to force-restart a PC with vPro technology?

    - by Dan Nissenbaum
    I would like to know how to force-restart a PC that has crashed/hung and become completely non-responsive, using 2nd-generation vPro technology. Assume there is a second, fully responsive PC on the same LAN that can be accessed remotely to assist. Specifically, I am considering purchasing a PC with an i7-2860QM CPU, which is vPro-enabled (according to Intel). Here are two links that indicate it should be possible to force-restart a hung system with a 2nd-generation vPro-enabled CPU: Seconds 24-39 of What Is Intel vPro™ Technology? Page 17 (21 of the PDF) of Intel® vPro™ Technology: Reference Guide However, after extensive research, I cannot find a straightforward and trustworthy source of confirmation that this will actually work as I describe, or any documentation about how to set it up. I would appreciate both a reliable confirmation, and a source of documentation. This question is a follow-up to: Wake-on-LAN (WOL) fails after computer crashes (Windows 7 64-bit).

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  • Apache server doesn't create directory or file under www-data user [duplicate]

    - by Harkonnen
    This question already has an answer here: What permissions should my website files/folders have on a Linux webserver? 4 answers very newbie to Apache here I installed Apache 2.4 on my Arch server where I installed newznab (a newsgroups indexer). I have noticed that all files newznab needs to create are created under my login user, and not apache default user (www-data). I read here that it's bad security practice to allow www-data to write files. I agree. But as an apache newbie, I would like to know where (in the httpd.conf I suppose ?) the user allowed to write files can be configured, because I want another account to be allowed to write files instead of my main account.

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