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  • Sendmail is refusing connection after configuring SMTP relay

    - by coder
    I'm setting up sendmail on my home computer to use with my webserver. I've set it to use my SMTP server provided by my hosting company. If I use the following command, it works sendmail -Am -t -v and then I enter the to and from emails. But if I try the following, it does not work. sendmail -v [email protected] < test.txt The TO email is the same as in the earlier command, but in this case I haven't specified a FROM e-mail, which I think is the problem. My guess is that it's sending the mail from user@localhost causing the smtp server to reject it. If so, how do I make it send from [email protected]?

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  • Connection timeout when trying to SSH

    - by dan
    The other day I tried to connect to my remote server via SSH as i always have. But now when I try to connect it just times out after about 60 seconds. I run service ssh start Which tells me that Job is already running: ssh. I then ran $netstat -tnlp Active Internet connections (only servers) Proto Recv-Q Send-Q Local Address Foreign Address State PID/Program name tcp 0 0 0.0.0.0:993 0.0.0.0:* LISTEN 1972/dovecot tcp 0 0 0.0.0.0:995 0.0.0.0:* LISTEN 1972/dovecot tcp 0 0 127.0.0.1:3306 0.0.0.0:* LISTEN 2030/mysqld tcp 0 0 0.0.0.0:110 0.0.0.0:* LISTEN 1972/dovecot tcp 0 0 0.0.0.0:143 0.0.0.0:* LISTEN 1972/dovecot tcp 0 0 0.0.0.0:10000 0.0.0.0:* LISTEN 2157/perl tcp 0 0 0.0.0.0:22 0.0.0.0:* LISTEN 3028/sshd tcp 0 0 0.0.0.0:25 0.0.0.0:* LISTEN 2273/master tcp6 0 0 :::80 :::* LISTEN 2618/apache2 tcp6 0 0 :::21 :::* LISTEN 2291/proftpd: (acce tcp6 0 0 :::22 :::* LISTEN 3028/sshd I am able to access subdomains on my site, and FTP, but don't have the ability to SSH or even ping remotely. Any thoughts?

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  • Rails app complaining can't connect to memcached but I'm pretty sure it's running

    - by centipedefarmer
    All was well, then I rebooted the server. Right now: $ ps aux | grep memcache 1000 27168 0.0 0.0 121972 1056 pts/0 Sl 15:18 0:00 memcached -m 64 -p 11211 -u nobody -l 127.0.0.1 1000 27816 0.0 0.0 7628 956 pts/0 S+ 15:36 0:00 grep memcache meanwhile the rails app's log is getting tons of this: MemCacheError (No connection to server (localhost:11211 DEAD (Timeout::Error: execution expired), will retry at Tue Feb 15 15:35:55 -0600 2011)): No connection to server (localhost:11211 DEAD (Timeout::Error: execution expired), will retry at Tue Feb 15 15:35:55 -0600 2011) MemCacheError (No connection to server (localhost:11211 DEAD (Timeout::Error: execution expired), will retry at Tue Feb 15 15:35:55 -0600 2011)): No connection to server (localhost:11211 DEAD (Timeout::Error: execution expired), will retry at Tue Feb 15 15:35:55 -0600 2011) MemCacheError (No connection to server (localhost:11211 DEAD (Timeout::Error: execution expired), will retry at Tue Feb 15 15:35:55 -0600 2011)): No connection to server (localhost:11211 DEAD (Timeout::Error: execution expired), will retry at Tue Feb 15 15:35:55 -0600 2011) MemCacheError (No connection to server (localhost:11211 DEAD (Timeout::Error: execution expired), will retry at Tue Feb 15 15:35:55 -0600 2011)): No connection to server (localhost:11211 DEAD (Timeout::Error: execution expired), will retry at Tue Feb 15 15:35:55 -0600 2011) MemCacheError (No connection to server (localhost:11211 DEAD (Timeout::Error: execution expired), will retry at Tue Feb 15 15:35:56 -0600 2011)): No connection to server (localhost:11211 DEAD (Timeout::Error: execution expired), will retry at Tue Feb 15 15:35:56 -0600 2011) MemCacheError (No connection to server (localhost:11211 DEAD (Timeout::Error: execution expired), will retry at Tue Feb 15 15:35:56 -0600 2011)): No connection to server (localhost:11211 DEAD (Timeout::Error: execution expired), will retry at Tue Feb 15 15:35:56 -0600 2011) MemCacheError (No connection to server (localhost:11211 DEAD (Timeout::Error: execution expired), will retry at Tue Feb 15 15:35:56 -0600 2011)): No connection to server (localhost:11211 DEAD (Timeout::Error: execution expired), will retry at Tue Feb 15 15:35:56 -0600 2011) MemCacheError (No connection to server (localhost:11211 DEAD (Timeout::Error: execution expired), will retry at Tue Feb 15 15:35:56 -0600 2011)): No connection to server (localhost:11211 DEAD (Timeout::Error: execution expired), will retry at Tue Feb 15 15:35:56 -0600 2011) Being that I'm more of a developer than a server guy, and being that we don't really have a "server guy," and this being in production... where do I start with this?

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  • Using Lighttpd: apache proxy or direct connection?

    - by Halfgaar
    Hi, I'm optimizing a site by using lighttpd for the static media. I've found that a recommended solution is to use Apache Proxy to point to the lighttpd server. But, does that use up an Apache thread/process per request? In my setup, I've noticed that all my processes are used up, even though they aren't doing anything, CPU wise. To free up apache processes, I've configured lighttpd and the amount of processes needed is lowered significantly, Munin shows. However, I've set it up to connect directly to lighty, to prevent apache workers from being occupied by serving static media. My question is: when using Apache Proxy, does that also use up a process/worker per request?

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  • Setting up 802.1X wireless connection on OSX

    - by hizki
    I am an OSX user, I have Snow Leopard 10.6.5 and an updated AirPort. I am trying to connect to my university's wireless network, but it has a complex security that I am having trouble defining... Here there are instructions for connecting with Windows XP, Windows 7 and Linux. Can someone please instruct me what should I do to set up this network on my MAC? Thank you. P.S. I have had previous success in setting up this network, but I have no idea what I did that made it work. Since I updated my AirPort it worked only seldomly and very slowly... Before the update, even when it worked it never remembered my password.

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  • Connection drops while transferring large files to one server on a network

    - by Charlotte
    My company has two sites, each with their own LAN, using site to site VPN tunnel to connect the two sites. When transferring files (especially larger files) from site1 to site2 server1, the file transfer fails. I don't think this can be a VPN issue because transferring the same files to site2 server2 which is on the same network as server1 works fine. Pings to server1 and server2 at site2 from site1 are about the same, mostly 19/20ms with the odd one up to 50ms. As server1 is DB server with a high load I thought the NIC maybe overloaded, but a transfer from site2 server1 to site2 server2 works fine, and that uses the same NIC on server1 as transfers from site1 to site2 server1. The servers are both Windows Server 2003 VMs with VMXNET 3 NICs. Site2 Server1 route print: IPv4 Route Table =========================================================================== Interface List 0x1 ........................... MS TCP Loopback interface 0x10003 ...00 50 56 99 28 9b ...... vmxnet3 Ethernet Adapter #2 0x10004 ...00 50 56 99 18 97 ...... vmxnet3 Ethernet Adapter =========================================================================== =========================================================================== Active Routes: Network Destination Netmask Gateway Interface Metric 0.0.0.0 0.0.0.0 172.20.10.1 172.20.10.18 10 10.10.10.0 255.255.255.0 10.10.10.70 10.10.10.70 10 10.10.10.70 255.255.255.255 127.0.0.1 127.0.0.1 10 10.255.255.255 255.255.255.255 10.10.10.70 10.10.10.70 10 127.0.0.0 255.0.0.0 127.0.0.1 127.0.0.1 1 172.20.10.0 255.255.255.0 172.20.10.18 172.20.10.18 10 172.20.10.18 255.255.255.255 127.0.0.1 127.0.0.1 10 172.20.255.255 255.255.255.255 172.20.10.18 172.20.10.18 10 224.0.0.0 240.0.0.0 10.10.10.70 10.10.10.70 10 224.0.0.0 240.0.0.0 172.20.10.18 172.20.10.18 10 255.255.255.255 255.255.255.255 10.10.10.70 10.10.10.70 1 255.255.255.255 255.255.255.255 172.20.10.18 172.20.10.18 1 Default Gateway: 172.20.10.1 =========================================================================== Persistent Routes: None Site2 Server2 route print IPv4 Route Table =========================================================================== Interface List 0x1 ........................... MS TCP Loopback interface 0x10003 ...00 50 56 99 15 00 ...... vmxnet3 Ethernet Adapter =========================================================================== =========================================================================== Active Routes: Network Destination Netmask Gateway Interface Metric 0.0.0.0 0.0.0.0 172.20.10.1 172.20.10.114 10 127.0.0.0 255.0.0.0 127.0.0.1 127.0.0.1 1 172.20.10.0 255.255.255.0 172.20.10.114 172.20.10.114 10 172.20.10.114 255.255.255.255 127.0.0.1 127.0.0.1 10 172.20.255.255 255.255.255.255 172.20.10.114 172.20.10.114 10 224.0.0.0 240.0.0.0 172.20.10.114 172.20.10.114 10 255.255.255.255 255.255.255.255 172.20.10.114 172.20.10.114 1 Default Gateway: 172.20.10.1 =========================================================================== Persistent Routes: None Site1 Server route print: =========================================================================== Interface List 14...00 50 56 93 00 0b ......vmxnet3 Ethernet Adapter #2 1...........................Software Loopback Interface 1 12...00 00 00 00 00 00 00 e0 Microsoft ISATAP Adapter 13...00 00 00 00 00 00 00 e0 Teredo Tunneling Pseudo-Interface =========================================================================== IPv4 Route Table =========================================================================== Active Routes: Network Destination Netmask Gateway Interface Metric 0.0.0.0 0.0.0.0 192.168.168.1 192.168.168.118 261 127.0.0.0 255.0.0.0 On-link 127.0.0.1 306 127.0.0.1 255.255.255.255 On-link 127.0.0.1 306 127.255.255.255 255.255.255.255 On-link 127.0.0.1 306 192.168.168.0 255.255.255.0 On-link 192.168.168.118 261 192.168.168.118 255.255.255.255 On-link 192.168.168.118 261 192.168.168.255 255.255.255.255 On-link 192.168.168.118 261 224.0.0.0 240.0.0.0 On-link 127.0.0.1 306 224.0.0.0 240.0.0.0 On-link 192.168.168.118 261 255.255.255.255 255.255.255.255 On-link 127.0.0.1 306 255.255.255.255 255.255.255.255 On-link 192.168.168.118 261 =========================================================================== Persistent Routes: Network Address Netmask Gateway Address Metric 0.0.0.0 0.0.0.0 192.168.168.1 Default =========================================================================== IPv6 Route Table =========================================================================== Active Routes: If Metric Network Destination Gateway 1 306 ::1/128 On-link 14 261 fe80::/64 On-link 14 261 fe80::3c6b:996f:ef36:ee76/128 On-link 1 306 ff00::/8 On-link 14 261 ff00::/8 On-link =========================================================================== Persistent Routes: None tracert from site1 to site2 server1: Tracing route to server1 [172.20.10.18] over a maximum of 30 hops: 1 19 ms 19 ms 19 ms server1 [172.20.10.18] Trace complete. tracert from site2 server1 to site1: When this was run it went to the external IP of site2, then to a couple of external ips of the isp, then times out. Can anyone suggest any troubleshooting steps? Thanks, Charlotte.

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  • Set up Glassfish connection pool to talk to a database on a Ubuntu VPS

    - by Harry Pham
    On my Ubuntu VPS, i have a mysql server running and a Glassfish 3.0.1 Application Server running. And I am having a hard to have my GF successfully ping the database. Here is my GF set up Assume: x.y.z.t is the ip of my VPS Resource Type: javax.sql.ConnectionPoolDataSource User: root DatabaseName: scholar Url: jdbc:mysql://x.y.z.t:3306/scholar URL: jdbc:mysql://x.y.z.t:3306/scholar Password: xxxx PortNumber: 3306 ServerName: x.y.z.t Inside my glassfish3/glassfish/lib, I have my mysql-connector-java-5.1.13-bin.jar Inside the database, table mysql here is the result of the query select User, Host from user; +------------------+-----------+ | User | Host | +------------------+-----------+ | root | 127.0.0.1 | | debian-sys-maint | localhost | | root | localhost | | root | yunaeyes | +------------------+-----------+ Now from my machine, if I try to connect to this db via mysql browser (mysql client software), well I cant. Well from the table above, seem like it only allow localhost to connect to this db. Keep in mind that both my db and my GF are on the same VPS. Please help

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  • Strange problem with Exchange client connection

    - by Sam Cogan
    I've got a strange problem with an Exchange 2007 server running on SBS 2008. It's been working fine for users for the last 5 months, then 5 days ago they started getting a problem where Outlook would popup a window asking for credentials. If the user enters there credentials it pops up again and again, however if the user cancels the box it goes away and outlook continues to work fine. These clients all connect using Outlook Anywhere, and OWA access is also working fine. I had thought this message box may have been to do with other POP or IMAP accounts being configured in Outlook, but it's not the case. I have re-configured Outlook Anywhere on the server but to no avail. Using the RPC diagnostic tool in Outlook shows no problems. There are no errors showing in the event log. The server seems to be running fine, so to me this seems like either a client, or an RPC over HTTP issue, but I'm not getting anywhere finding the cause, any help is appreciated!

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  • Unable to logon using terminal server connection

    - by satch
    I have several W2K3 SP2 servers, admin TS enabled. I discovered this morning, I was unable to logon into some of them. I've a couple of Citrix servers in different farms, a SAP (IA64) app server and a cvs server. All of them show same sympthoms; remote connections are refused. I've been able to logon locally, and terminal server service is up, there are no users (so connections are not depleted). There are no errors in log in most servers. One of the Citrix ones, reported following errors: Event ID 50 Source TermDD Type Error Description The RDP protocol component X.224 detected an error in the protocol stream and has disconnected the client. and Event ID 1006 Source TermService Type Error Description The terminal server received large number of incomplete connections. The system may be under attack. Anyway, I suppose these errors appear because server isn't working, and Citrix users try to logon massively. (I nmap'ed server and port seems up). I've solved this problem rebooting before, but with so many servers affected it seems like a crappy workaround. Any idea about troubleshooting it properly? Thanks in advance

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  • How to check wifi networking standard of current connection

    - by yzfr1
    Both my router and my wireless networking card support the standards 802.11a/b/g/n but as I'm only getting speeds around 30-40 Mbit/s I suspect that it's the g standard being used instead of n. Now, I'd like to verify this somehow, so my question is: Is there a way (like a network diagnistics tool or the like) to find out which standard is currently used in the communication between computer and router?

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  • How to share internet connection on Mac os x to Virtualbox vm's using Host-only

    - by redben
    In one line : is the following possible : Airport <- osx bridge - vbox-Host-only - vm's On a mac os x, i have virtual box with a virtual machine. For now i have configured 2 interfaces for my virtual machine eth0 is normal bridge for my vm to acces the internet (when airport is connected) eth1 is set to host-only so i can access my vm from the host when there is no wifi/aiport is down. So basically it's like Adapter 1 when there is Wifi, Adapter 2 when there is not. I'd like to have only one configuration to make it simpler. I thought i could just keep the Host only configuration, and on the host (os x) go to internet sharing and select "share from airport" to vboxnet0 (the vb virtual interface). Only to find out that vboxnet0 dosn't show up in the interfaces list on os x preferences. I know that on a linux host you could install something called bridge-utils and use that to bridge the two insterfaces. Is there any thing like that for Mac ?

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  • Restrict SSH user to connection from one machine

    - by Jonathan
    During set-up of a home server (running Kubuntu 10.04), I created an admin user for performing administrative tasks that may require an unmounted home. This user has a home directory on the root partition of the box. The machine has an internet-facing SSH server, and I have restricted the set of users that can connect via SSH, but I would like to restrict it further by making admin only accessible from my laptop (or perhaps only from the local 192.168.1.0/24 range). I currently have only an AllowGroups ssh-users with myself and admin as members of the ssh-users group. What I want is something that works like you may expect this setup to work (but it doesn't): $ groups jonathan ... ssh-users $ groups admin ... ssh-restricted-users $ cat /etc/ssh/sshd_config ... AllowGroups ssh-users [email protected].* ... Is there a way to do this? I have also tried this, but it did not work (admin could still log in remotely): AllowUsers [email protected].* * AllowGroups ssh-users with admin a member of ssh-users. I would also be fine with only allowing admin to log in with a key, and disallowing password logins, but I could find no general setting for sshd; there is a setting that requires root logins to use a key, but not for general users.

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  • Using radvd to advertise ipv6 over VPN connection using DD-wrt

    - by Sean Madden
    My ultimate goal is to allow VPN users to have access to my internal IPv6 network from across the intertubes. I've got a linksys WRT54GSv2 running DD-WRTv24SP1 and have configured the little guy as specified here http://www.dd-wrt.com/wiki/index.php/IPv6 and it works wonderfully over the br0 interface (LAN/WLAN bridge). Here's the issue though, when I add an additional interface to the radvd config file on the router (specifically ppp0, for the VPN traffic), radvd refuses to start. The kicker is that on DDWRT, it doesn't give an error message, it just fails outright. Any suggestions on where to proceed from here? /jffs/radvd.conf: interface br0 { AdvSendAdvert on; prefix 0:0:0:1::/64 { AdvOnLink on; AdvAutonomous on; }; }; interface ppp0 { AdvSendAdvert on; prefix 0:0:0:1::/64 { AdvOnLink on; AdvAutonomous on; }; }; The documentation I've found for radvd is slim, but if anyone has a decent idea on how to proceed I'd love to hear it.

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  • Continuous outbound connection from QNAP NAS

    - by user192702
    I notice on my firewall that my QNAP NAS is continuously sending UDP sessions out to the Internet. Every second I have 5 - 7 connections out to addresses like the following: 2013-11-10 23:17:54 Deny 192.168.60.5 93.215.212.162 6881/udp 6881 6881 2013-11-10 23:18:05 Deny 192.168.60.5 87.76.0.83 29872/udp 6881 29872 2013-11-10 23:18:05 Deny 192.168.60.5 5.164.188.224 6881/udp 6881 6881 2013-11-10 23:18:05 Deny 192.168.60.5 80.61.45.206 6881/udp 6881 6881 2013-11-10 23:18:34 Deny 192.168.60.5 37.117.204.129 6881/udp 6881 6881 2013-11-10 23:18:34 Deny 192.168.60.5 71.67.101.30 51413/udp 6881 51413 2013-11-10 23:18:34 Deny 192.168.60.5 89.28.92.191 8621/udp 6881 8621 2013-11-10 23:18:34 Deny 192.168.60.5 94.244.157.85 28221/udp 6881 28221 2013-11-10 23:18:34 Deny 192.168.60.5 213.241.61.240 9089/udp 6881 9089 2013-11-10 23:18:45 Deny 192.168.60.5 88.163.28.100 52721/udp 6881 52721 2013-11-10 23:18:45 Deny 192.168.60.5 37.55.190.20 10027/udp 6881 10027 2013-11-10 23:18:45 Deny 192.168.60.5 62.72.188.146 14306/udp 6881 14306 2013-11-10 23:19:14 Deny 192.168.60.5 85.53.244.205 51413/udp 6881 51413 2013-11-10 23:19:14 Deny 192.168.60.5 67.163.18.215 52130/udp 6881 52130 2013-11-10 23:19:14 Deny 192.168.60.5 86.172.105.140 9089/udp 6881 9089 2013-11-10 23:19:14 Deny 192.168.60.5 99.28.56.121 52383/udp 6881 52383 2013-11-10 23:19:14 Deny 192.168.60.5 109.60.184.249 46217/udp 6881 46217 2013-11-10 23:19:25 Deny 192.168.60.5 121.107.144.174 21135/udp 6881 21135 2013-11-10 23:19:25 Deny 192.168.60.5 84.39.116.180 48446/udp 6881 48446 2013-11-10 23:19:25 Deny 192.168.60.5 183.238.254.62 openvpn/udp 6881 1194 ......... This is frightening as it seems like it's been hacked to send information out. Has anyone observed this behaviour from their QNAP NAS?

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  • `sh` access denied over ssh connection

    - by inspectorG4dget
    I have an ubuntu server and a windows XP client running Cygwin. The server ssh's into the client and tries to execute a shell script with some params, with the following command: ssh user@IP_ADDR 'sh /home/user/project/clientside 2 5 7 6 9 5 7 IP_ADDR' where IP_ADDR is the IP address of client. However, while doing so, I get the following error: Access is denied. Thinking this might be a user permissions error, I tried running sh /home/user/project/clientside 2 5 7 6 9 5 7 IP_ADDR on the client, on Cygwin, while logged in as user. This works as expected. Then I thought that this might be an error with the login that I use when I ssh into the client. So I executed this instead: ssh user@IP_ADDR 'whoami' and got back user. This happened even after I did chmod -R 777 /home/user/project on the client, in Cygwin. For kicks, I got on Cygwin on the client and did ssh localhost and manually executed sh /home/user/project/clientside 2 5 7 6 9 5 7 IP_ADDR. This worked as expected. However, when I did ssh IP_ADDR from Cygwin and did ssh localhost and manually executed sh /home/user/project/clientside 2 5 7 6 9 5 7 IP_ADDR, I get the same Access is denied. error. Why is this happening? How can I fix this? By the way, both the server and the client have each other's rsa public key for passwordless ssh

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  • Users not getting ip when connected through wifi,but wired connection getting ip in ddwrt router

    - by Kevin Parker
    I am having DD-WRT v24-sp2(05/08/11) running on Asus RT n 13 u B1 router,with dhcp on. But users not able to connect through wifi...its showing obtaining ip address and disconnects there after. Wired Devices are getting ip address and able to access internet.Wifi was working till yesterday,but all of a sudden it stopped working. on the ddwrt controlpanelsystem information under Wireless Clients mac address of clients that are trying to connect are appearing but soon it disappears. but no such issue with wired clients. Can any one please help me in fixing this..

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  • OpenVPN/Tunnelblick through wireless router, no connection.

    - by Oscar
    I'm using OpenVPN with Tunneblick on my Macbook Pro to access a server on my job. I't works fine, but i can't get it working with my Netgear WGT624v3 wireless router. I get this warning: WARNING: potential route subnet conflict between local LAN [192.168.1.0/255.255.255.0] and remote VPN [192.168.1.0/255.255.255.0] Someone told me that i should "port forward" on my router, but i can't figure out the right settings. Also not shure i'm doing it right.

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  • Connection problem to MySQL on another machine on LAN

    - by Ankur
    I'm having trouble connecting to a MySQL database on the other machine on the same network. Could not connect to the specified instance. MySQL error number 1130 Host 'abc' is not allowed to connect to this MySQL server (Pinging ok time 1-3 ms ttl =128) I've checked out the following: TCP/IP enabled RegEdit under hlocal machine .... parameters .. maxUserpORT And timedelay.. Grant all . to 'root'@'Myipaddress'

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  • How to make ssh connection between servers using public-key authentication

    - by Rafael
    I am setting up a continuos integration(CI) server and a test web server. I would like that CI server would access web server with public key authentication. In the web server I have created an user and generated the keys sudo useradd -d /var/www/user -m user sudo passwd user sudo su user ssh-keygen -t rsa Generating public/private rsa key pair. Enter file in which to save the key (/var/www/user/.ssh/id_rsa): Created directory '/var/www/user/.ssh'. Enter passphrase (empty for no passphrase): Enter same passphrase again: Your identification has been saved in /var/www/user/.ssh/id_rsa. Your public key has been saved in /var/www/user/.ssh/id_rsa.pub. However othe side, CI server copies the key to the host but still asks password ssh-copy-id -i ~/.ssh/id_rsa.pub user@webserver-address user@webserver-address's password: Now try logging into the machine, with "ssh 'user@webserver-address'", and check in: .ssh/authorized_keys to make sure we haven't added extra keys that you weren't expecting. I checked on the web server and the CI server public key has been copied to web server authorized_keys but when I connect, It asks password. ssh 'user@webserver-address' user@webserver-address's password: If I try use root user rather than my created user (both users are with copied public keys). It connects with the public key ssh 'root@webserver-address' Welcome to Ubuntu 11.04 (GNU/Linux 2.6.18-274.7.1.el5.028stab095.1 x86_64) * Documentation: https://help.ubuntu.com/ Last login: Wed Apr 11 10:21:13 2012 from ******* root@webserver-address:~#

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  • Direct DB to Web Server connection

    - by Joel Coel
    I have a database server sitting right underneath a virtual machine host server in the rack, and this vm host is primarily responsible for servers hosting a couple different web sites and app servers that all talk to databases on the other server. Right now both servers are connected to the same switch, and I'm pretty happy with the pathing. However, both servers also have an unused network port. I wondering about the potential benefits of using a short crossover or normal+auto mdix network cable to connect these two servers together directly. Is this a good idea, or would I be doing something that won't show much benefit and is just likely to trip up a future admin who's not looking for this? The biggest weakness I can see right now is that this would likely require a code change for each vm app to point to the new IP of the database server on this private little network, and if I have a problem with the virtual machine host and have to spin up it's guests elsewhere while I fix it I'll have to change this back before things will work.

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  • Weird problem with connection from putty to ubuntu server via SSH

    - by Eye of Hell
    Hello. I have an Ubuntu Server 9.10 box with sshd configured. I have two computers with Windows 7 professional and putty installed. Day ago, both computers was able to connect ubuntu server both via putty and plink. I have installed sun-java6-jre on ubuntu server, and now have a weird problem. First Windows 7 computer can still connect with both putty GUI and command-line plink. Second computer can connect via putty gui, but if i issue plink command that works perfectly on first computer: plink www.hostname.tk -i c:\users\username\documents\key\private.ppk I get login prompt, enter same username as on first computer, and receive following weird error message: bash: www.hostname.tk: command not found I can't see any difference between my Windows 7 computers :(. The ppk key used is same (i copied it multiple times both ways). hostname and username are same. Anyone have any ideas why such thing happens and what can i do in order to troubleshoot and fix it?

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