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• sql server 2008 snapshot agent problem

  - by Dmitri

  Hi! I've just installed mssql 2008 sp1 x64 on windows 7 RTM, and have the problem with creating snapshots, whenever I try to launch the snapshot agent (i.e. to setup transactional replication publication), it throws the error that 'the file is missing'. I have looked into c:\program files\microsoft sql server\100\com and there are no executable files at all, like snapshot.exe! I tried a crazy move to copy all the files from my mssql 2005 com folder, without replacing ofcourse, and now it doesn't give an error, but says 'starting' all the time, but nothing happens. (Now I have removed those files again) I have all of the relevant features installed. So please help me figure out what to do now! Thanks! Dmitri.

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• SQL Server 2005 Agent running SSIS job can't find file path

  - by alimack

  Basically I'm trying to run a functioning SSIS job (created in BIDS) under the SQL Server Agent - it reads a set of Excel spreadsheets and dumps the results into a table. The problem I'm having is getting the SSA to read the file path, the relevant part of the error is: "0x80004005 Description: "'N:\Assets Property & Facilities Management\Monthly Absence.xls' is not a valid path. Make sure that the path name is spelled correctly and that you are connected to the server on which the file resides." I've tried using UNC paths (\servername\ share) but the BIDS rewrites the paths to standard file paths (c:\directory\filename), I've also tried a proxy which runs this step under an Admin account. I've also tried changing the path to UNC on the SSIS job on the server. Also I'm forcing it to use the 32 bit DTEXEC, so it's not that either Always get the same error, do I need to re-create the job from scratch?

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• SQL Server agent died

  - by Manjot

  3 SQL server agents stopped and didn't restart automatically untill we manually restarted them. SQL servers are on SQL 2005 X86 standard edition. The error message that was reported in Application log was: Faulting application sqlagent90.exe, version 2005.90.4211.0, stamp 49837478, faulting module kernel32.dll, version 5.2.3790.4480, stamp 49c51f0a, debug? 0, fault address 0x0000bef7. No errors were reported in SQL server logs or SQl agent logs. Does anyone know what this means? I tried to Google but no luck. Thanks in advance!

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• SQL Server Agent 2005 job runs but provides no output

  - by alimack

  Essentially I have a job which runs in BIDS and as as a stand lone package and while it runs under the SQL Server Agent it doesn't complete properly (no error messages though). The job steps are: 1) Delete all rows from table; 2) Use For each loop to fill up table from Excel spreasheets; 3) Clean up table. I've tried this MS page (steps 1 & 2), didn't see any need to start changing from Server side security. Also SQLServerCentral.com for this page, no resolution. How can I get error logging or a fix?

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• How to whitelist a user agent for nginx?

  - by djb

  I'm trying to figure out how to whitelist a user agent from my nginx conf. All other agents should be shown a password prompt. In my naivity, I tried to put the following in before deny all: if ($http_user_agent ~* SpecialAgent ) { allow; } but I'm told "allow" directive is not allowed here (!). How can I make it work? A chunk of my config file: server { server_name site.com; root /var/www/site; auth_basic "Restricted"; auth_basic_user_file /usr/local/nginx/conf/htpasswd; allow 123.456.789.123; deny all; satisfy any; #other stuff... } Thanks for any help.

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• nginx caching per user agent

  - by Tuinslak

  I'm currently using nginx as reverse proxy with caching enabled. However, the main site has two different layouts, depending on the user-agent (mobile or not). I've tried something similar to this: # mobile users if ($http_user_agent ~* '(iPhone|iPod|mobile|Android|2.0\ MMP|240x320|AvantGo|BlackBerry|Blazer|Cellphone|Danger|DoCoMo|Elaine/3.0|EudoraWeb|hiptop|IEMobile)') { set $iphone_request '1'; } if ($iphone_request = '1') { proxy_cache mobile; } if ($iphone_request = '') { proxy_cache site; } proxy_cache_key "$scheme://$host$request_uri"; proxy_pass http://real-site.tld; However, nginx gives an error, stating proxy_cache can't be used in an if-structure. Any other way to serve from a different cache depending on the browser? Thanks, Tuinslak

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• SSL issues with puppet agent at openSUSE

  - by Roman Grazhdan

  I have a master running at my vps, and it has a simple helloworld manifest which works fine with any ubuntu machine I have. It connects, exchanges keys and creates test file allright, so I'm sure it's not server issue. The agent which is running at a virtual machine with openSUSE says: err: Could not request certificate: SSL_connect returned=1 errno=0 state=SSLv3 read server certificate B: certificate verify failed. This is often because the time is out of sync on the server or client I believe it's probably a broken or missing lib, since the package is not built very accurately - it wouldn't start out of the box because of wrong path to lockfile, for example. So how do I figure out what exactly is wrong here? The time is allright, I've checked it. I probably could do without SSL if it's possible, since that SUSE machines are just for training, but it's the last opportunity.

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• MSSQL 2005 Snapshot Agent Uses 100% CPU

  - by matth1jd

  When setting up a new subscription to a publication (transactional replication) from 64-bit SQL Server 2005 to 64-bit SQL Server 2005 the Snapshot Agent on the publisher consumes 100% of the CPU. I am using SSMS to create the new subscription. My initial impression is that this could be from row locking occurring during the generation of the snapshot but I have read that a concurrent snapshot is generated by default in SQL Server 2005, and that row locking shouldn't be a concern. As this is a production server I would like to be able to initialize replication without bringing the box to it's knees. Any suggestions would be helpful and appreciated.

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• A single request appears to have come from all the browsers? Should I be worried?

  - by HorusKol

  I was looking over my site access logs when I noticed a request with the following user agent string: "Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.9.2.12) Gecko/20101026 Firefox/3.6.12\",\"Mozilla/5.0 (Windows; U; Windows NT 5.1; pl-PL; rv:1.8.1.24pre) Gecko/20100228 K-Meleon/1.5.4\",\"Mozilla/5.0 (X11; U; Linux x86_64; en-US) AppleWebKit/540.0 (KHTML,like Gecko) Chrome/9.1.0.0 Safari/540.0\",\"Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US) AppleWebKit/532.5 (KHTML, like Gecko) Comodo_Dragon/4.1.1.11 Chrome/4.1.249.1042 Safari/532.5\",\"Mozilla/5.0 (X11; U; Linux i686 (x86_64); en-US; rv:1.9.0.16) Gecko/2009122206 Firefox/3.0.16 Flock/2.5.6\",\"Mozilla/5.0 (Windows; U; Windows NT 6.0; en-US) AppleWebKit/533.1 (KHTML, like Gecko) Maxthon/3.0.8.2 Safari/533.1\",\"Mozilla/5.0 (Windows; U; Windows NT 6.0; en-US; rv:1.8.1.8pre) Gecko/20070928 Firefox/2.0.0.7 Navigator/9.0RC1\",\"Opera/9.99 (Windows NT 5.1; U; pl) Presto/9.9.9\",\"Mozilla/5.0 (Windows; U; Windows NT 6.1; zh-HK) AppleWebKit/533.18.1 (KHTML, like Gecko) Version/5.0.2 Safari/533.18.5\",\"Seamonkey-1.1.13-1(X11; U; GNU Fedora fc 10) Gecko/20081112\",\"Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; Win64; x64; Trident/5.0; .NET CLR 2.0.50727; SLCC2; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; Zune 4.0; Tablet PC 2.0; InfoPath.3; .NET4.0C; .NET4.0E)\",\"Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.1; WOW64; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; MS-RTC LM 8; .NET4.0C; .NET4.0E; InfoPath.3)" The request appears to have originated from 91.121.153.210 - which appears to be owned by these guys: http://www.medialta.eu/accueil.html I find this rather impressive - a request from 'all' user-agents. There's actually quite a few of these requests over at least the few days - so it naturally piqued my interested. Searching Google simply seems to produce a very long list of websites which make their Apache access logs publicly available... Is this some weird indication that we're being targeted? And by who?

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• SQL server Agent - Not starting - Automatic start enabled

  - by user130561

  SQL server agent is not starting automatically even when it is set to "Automatic". We have a weekend reboot of the server and usually it should come up automatically since it is set to "Automatic". SQL Agent Logs: [298] SQLServer Error: 831, Client unable to establish connection [SQLSTATE 08001] [382] Logon to server '(local)' failed (SubSystemStepHistoryLogger) [165] ODBC Error: 0, Driver's SQLAllocHandle on SQL_HANDLE_ENV failed [SQLSTATE IM004]

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• How to backup SQL Server Agent jobs?

  - by guaike

  Hi,I want to backup my sql server 2005 Agent jobs to another server, How can I backup and restore SQL Server 2005 Agent job schedules?

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• sshd running but no PID file

  - by dunxd

  I'm recently started using monit to monitor the status of sshd on my CentOS 5.4 server. This works fine, but every so often monit reports that sshd is no longer running. This isn't true - I am still able to login to the server via ssh, however I note the following: There is no longer any PID file at /var/run/sshd.pid - after a reboot this file exists. Once it is gone, restarting sshd via service sshd restart does not create the PID file. sudo service sshd status reports openssh-daemon is stopped - again, restarting sshd does not change this, but a reboot does. sudo service sshd stop reports failed, presumably because of the missing PID file. Any idea what is going on? Update sudo netstat -lptun gives the following output relating to port 22 tcp 0 0 :::22 :::* LISTEN 20735/sshd Killing the process with this PID as suggested by @Henry and then starting sshd via service results in service sshd status recognising the process by PID again. Would still like to understand this better. RPM verify suggested by a couple of answerers shows this: sudo rpm -vV openssh openssh-server openssh-clients | grep 'S\.5' S.5....T c /etc/pam.d/sshd S.5....T c /etc/ssh/sshd_config /etc/pam.d/sshd has the following contents: #%PAM-1.0 auth include system-auth account required pam_nologin.so account include system-auth password include system-auth session optional pam_keyinit.so force revoke session include system-auth #session required pam_loginuid.so Should that last line be commented out? Update Here's the output of @YannickGirouard 's script: $ sudo ./sshd_test Searching for the process listening on port 22... Found the following PID: 21330 Command line for PID 21330: /usr/sbin/sshd Listing process(es) relating to PID 21330: UID PID PPID C STIME TTY TIME CMD root 21330 1 0 14:04 ? 00:00:00 /usr/sbin/sshd Listing RPM information about openssh packages: Name : openssh Relocations: (not relocatable) Version : 4.3p2 Vendor: CentOS Release : 72.el5_7.5 Build Date: Tue 30 Aug 2011 12:34:14 AM BST Install Date: Sun 06 Nov 2011 12:50:57 AM GMT Build Host: builder10.centos.org Group : Applications/Internet Source RPM: openssh-4.3p2-72.el5_7.5.src.rpm Size : 745390 License: BSD Signature : DSA/SHA1, Fri 02 Sep 2011 01:13:01 AM BST, Key ID a8a447dce8562897 URL : http://www.openssh.com/portable.html Summary : The OpenSSH implementation of SSH protocol versions 1 and 2 ------------------------------------------------------ Name : openssh-clients Relocations: (not relocatable) Version : 4.3p2 Vendor: CentOS Release : 72.el5_7.5 Build Date: Tue 30 Aug 2011 12:34:14 AM BST Install Date: Sun 06 Nov 2011 12:51:04 AM GMT Build Host: builder10.centos.org Group : Applications/Internet Source RPM: openssh-4.3p2-72.el5_7.5.src.rpm Size : 871132 License: BSD Signature : DSA/SHA1, Fri 02 Sep 2011 01:13:01 AM BST, Key ID a8a447dce8562897 URL : http://www.openssh.com/portable.html Summary : The OpenSSH client applications ------------------------------------------------------ Name : openssh-server Relocations: (not relocatable) Version : 4.3p2 Vendor: CentOS Release : 72.el5_7.5 Build Date: Tue 30 Aug 2011 12:34:14 AM BST Install Date: Sun 06 Nov 2011 12:51:04 AM GMT Build Host: builder10.centos.org Group : System Environment/Daemons Source RPM: openssh-4.3p2-72.el5_7.5.src.rpm Size : 492478 License: BSD Signature : DSA/SHA1, Fri 02 Sep 2011 01:13:01 AM BST, Key ID a8a447dce8562897 URL : http://www.openssh.com/portable.html Summary : The OpenSSH server daemon ------------------------------------------------------ However, I've since got things working by killing the process and starting afresh, as suggested by @Henry below, so perhaps I am no longer seeing the same thing. Will try again if I am seeing the issue again after next reboot. Update - 14 March Monit alerted me that sshd had disappeared, and again I am able to ssh onto the server. So now I can run the script $ sudo ./sshd_test Searching for the process listening on port 22... Found the following PID: 2208 Command line for PID 2208: /usr/sbin/sshd Listing process(es) relating to PID 2208: UID PID PPID C STIME TTY TIME CMD root 2208 1 0 Mar13 ? 00:00:00 /usr/sbin/sshd root 1885 2208 0 21:50 ? 00:00:00 sshd: dunx [priv] Listing RPM information about openssh packages: Name : openssh Relocations: (not relocatable) Version : 4.3p2 Vendor: CentOS Release : 72.el5_7.5 Build Date: Tue 30 Aug 2011 12:34:14 AM BST Install Date: Sun 06 Nov 2011 12:50:57 AM GMT Build Host: builder10.centos.org Group : Applications/Internet Source RPM: openssh-4.3p2-72.el5_7.5.src.rpm Size : 745390 License: BSD Signature : DSA/SHA1, Fri 02 Sep 2011 01:13:01 AM BST, Key ID a8a447dce8562897 URL : http://www.openssh.com/portable.html Summary : The OpenSSH implementation of SSH protocol versions 1 and 2 ------------------------------------------------------ Name : openssh-clients Relocations: (not relocatable) Version : 4.3p2 Vendor: CentOS Release : 72.el5_7.5 Build Date: Tue 30 Aug 2011 12:34:14 AM BST Install Date: Sun 06 Nov 2011 12:51:04 AM GMT Build Host: builder10.centos.org Group : Applications/Internet Source RPM: openssh-4.3p2-72.el5_7.5.src.rpm Size : 871132 License: BSD Signature : DSA/SHA1, Fri 02 Sep 2011 01:13:01 AM BST, Key ID a8a447dce8562897 URL : http://www.openssh.com/portable.html Summary : The OpenSSH client applications ------------------------------------------------------ Name : openssh-server Relocations: (not relocatable) Version : 4.3p2 Vendor: CentOS Release : 72.el5_7.5 Build Date: Tue 30 Aug 2011 12:34:14 AM BST Install Date: Sun 06 Nov 2011 12:51:04 AM GMT Build Host: builder10.centos.org Group : System Environment/Daemons Source RPM: openssh-4.3p2-72.el5_7.5.src.rpm Size : 492478 License: BSD Signature : DSA/SHA1, Fri 02 Sep 2011 01:13:01 AM BST, Key ID a8a447dce8562897 URL : http://www.openssh.com/portable.html Summary : The OpenSSH server daemon ------------------------------------------------------ Again, when I look for /var/run/sshd.pid I don't find it. $ cat /var/run/sshd.pid cat: /var/run/sshd.pid: No such file or directory $ sudo netstat -anp | grep sshd tcp 0 0 0.0.0.0:22 0.0.0.0:* LISTEN 2208/sshd $ sudo kill 2208 $ sudo service sshd start Starting sshd: [ OK ] $ cat /var/run/sshd.pid 3794 $ sudo service sshd status openssh-daemon (pid 3794) is running... Is it possible that sshd is restarting and not creating a pidfile for some reason?

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• Vagrant - Failed login, ssh not set up

  - by motleydev

  This question is two fold because somewhere in my attempts to solve the problem, I created a new one. First: I was trying to vagrant up using a Vagranfile based on the standard hashicorp/precise32 box. Everything worked up until default: SSH auth method: private key where it would eventually time out. Enabling gui in the Vagrantfile showed that the machine never actually logs in. I can use the standard user/pass and log in from that point but the vagrant up process still remains at that prior status. Here's where my understanding might be a little dim. I've tried setting auth method from the insecure_pass_key to my root ~/.ssh/id_rsa or whichever one I wanted to use. I'm not entirely sure where to put a copy of the public key or my authorized keys file. I've got a .vagrant.d folder in my user dir (I'm on OSX) which seems to contain the box images. I've got a .vagrant folder in my directory with the Vagrantfile which seems to contain the specific machine I am building off of. I've tried pouring over the docs and forums but I seem to be missing a key concept here. And Now: After a host of tips/tricks such as rolling back by VirtualBox install, uninstalling/reinstalling Vagrant and VritualBox several times, when I try to run vagrant ssh-config with a Vagrantfile based on the same hashicorp/precise32 it says that the box is not enabled for SSH. Specifically, this error: The provider for this Vagrant-managed machine is reporting that it is not yet ready for SSH. Depending on your provider this can carry different meanings. Make sure your machine is created and running and try again. Additionally, check the output of `vagrant status` to verify that the machine is in the state that you expect. If you continue to get this error message, please view the documentation for the provider you're using. So now I am slightly up a creek. Any help would be appreciated if not just clarifying a concept. Some pertinent info: I'm on OSX Maverics Due to the fact I'm running a dual HD system with system files on one HD and user files on another, my permissions are a little wonky and VBoxManage will only let me run commands via Sudo - not sure if it's pertinent - but maybe. I have no idea what I'm doing. That part is perhaps more important.

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• Is there a way to display navmesh agent path in Unity?

  - by Antoine Guillien

  I'm currently making a prototype for a game I plan to develop. As far as I did, I managed to set up the navigation mesh and my navmeshagents. I would like to display the path they are following when setDestination() is fired. I did some researches but didn't find anything about it. EDIT 1 : So I instantiate an empty object with a LineRenderer and I have a line bewteen my agent and the destination. Still I've not all the points when the path has to avoid an obstacle. Furthermore, I wonder if the agent.path does reflect the real path that the agent take as I noticed that it actually follow a "smoothier" path. Here is the code so far : GameObject container = new GameObject(); container.transform.parent = agent.gameObject.transform; LineRenderer ligne = container.AddComponent<LineRenderer>(); ligne.SetColors(Color.white,Color.white); ligne.SetWidth(0.1f,0.1f); //Get def material ligne.gameObject.renderer.material.color = Color.white; ligne.gameObject.renderer.material.shader = Shader.Find("Sprites/Default"); ligne.gameObject.AddComponent<LineScript>(); ligne.SetVertexCount(agent.path.corners.Length+1); int i = 0; foreach(Vector3 v in p.corners) { ligne.SetPosition(i,v); //Debug.Log("position agent"+g.transform.position); //Debug.Log("position corner = "+v); i++; } ligne.SetPosition(p.corners.Length,agent.destination); ligne.gameObject.tag = "ligne"; So How can I get the real coordinates my agent is going to walk throught ?

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• What alternatives exist of how an agent can follow the path calculated by a path-finding algorithm?

  - by momboco

  What alternatives exist of how an agent can follow the path calculated by a path-finding algorithm? I've seen that the most easy form is go to one point and when the agent has reached this point, discard it and go to the next point. I think that this approach has problems when the game has physics with dynamic objects that can block the travel between point A and point B, then the agent is taken from his original trayectory and sometimes go to the last destiny point is not the most natural behavior. In the literature always I have read that the path is only a suggestion of where the agent has to go, but I don't know how this suggested path must be followed. Thanks.

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• How to Update Remote Diagnostic Agent (RDA) to Latest Version?

  - by Daniel Mortimer

  Remote Diagnostic Agent (RDA) 4.28 was released on 12th June. Full details can be found in this My Oracle Support documentRDA 4 Release Notes [ID 414970.1]From a Fusion Middleware Core Component, Install and Administration perspective this latest release does not offer any significant new features or changes. However, despite the lack of Fusion Middleware specific new features in version 4.28, Remote Diagnostic Agent still comes as highly recommended. It is incredibly useful problem solving / troubleshooting aid. Support engineers dealing with Service Requests often request RDA output as it collects just about everything you might need to get a view of the state and configuration of the host operating system, network setup and Fusion Middleware components. To find out more take a look at Running RDA Against Oracle Fusion Middleware 11g [ID 853437.1] Getting Started With Remote Diagnostic Agent: Case Study - Oracle WebLogic Server (Video) [ID 1262157.1] Note: While the latter document looks at RDA from the perspective of WebLogic Server, much of the advice given in the videos can be applied to other Fusion Middleware products.Ok, let's get back on track with the topic suggested by the title. If you are already familiar with Remote Diagnostic Agent you may ask the question - 'How do I keep my RDA at the latest version?' The answer is in "Running RDA Against Oracle Fusion Middleware 11g [ID 853437.1]". To quote: There are two methods: 1. Upgrade RDA via OCM (Oracle Configuration Manager) Refer to the advice given in: Remote Diagnostic Agent (RDA) Upgrade README [ID 1309034.1] OR 2. Manually download and upgrade to the latest version. To quote from Remote Diagnostic Agent (RDA) 4 - FAQ [ID 330363.1] +++++++++++++++++++++++++++++++++++++++++++++++++++++++ How do I upgrade my RDA 4.x installation from the prior release? The most simplest and reliable way to upgrade your RDA installation is delete or move your old installation to a new location. Then install the new release into the location you had the prior release installed. If you want to reuse you old setup.cfg file, you can place the older version into the new <rda> directory and it will try to upgrade your setup.cfg to the new features. A second approach is to install the latest RDA into another directory, then if needed copy the old setup.cfg file to the new RDA directory. When the new RDA is run for the first time, it will try to upgrade your setup.cfg to the new features. +++++++++++++++++++++++++++++++++++++++++++++++++++++++ The upgrade method via Oracle Configuration Manager is nice because it allows RDA to be auto updated whenever a new release of RDA is made available (which roughly speaking is every 3 months). However, it does require you to install and configure Oracle Configuration Manager in addition to RDA. A quick guide to Fusion Middleware 11g and OCM can be found in this support document.Configuring OCM in Oracle Fusion Middleware 11g? A Quick and Easy Guide [ID 1096871.1]

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• Localhost problems on Mac OS X 10.7

  - by Maya

  Sorry for the duplicate post ( http://stackoverflow.com/questions/9720871/localhost-problems-on-mac-os-x-10-7 ), but I got the advice that this is a better place to ask my question: I want to access a mysql server remotely over ssh. So I used port forwarding to access the remote 3306 port on my localhost as 8383. The ssh connection can established successfully. But when I want to telnet onto port 8383 on localhost I get the following error: ~: telnet 127.0.0.1 8383 Trying 127.0.0.1... telnet: connect to address 127.0.0.1: Connection refused telnet: Unable to connect to remote host I tried the same on a friends Laptop (also Mac OS X 10.7) and it worked fine, so it is very unlikely that the ssh connection is the problem. I assume it has something to do with my local network configuration. I turned off IPv6, just in case. My /etc/hosts looks like this: 127.0.0.1 localhost 255.255.255.255 broadcasthost ::1 localhost fe80::1%lo0 localhost I would greatly appreciate any help. Please point me in the right direction if this is not the right place to ask this question.

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• SeLinux blocking connection to sshd on Ubuntu 9.10

  - by Barton Chittenden

  When I try to log on to my laptop, which runs Ubuntu 9.10, the server rejects my login attempts. Checking /var/log/auth.log, I see the following: Feb 14 12:41:16 tiger-laptop sshd[6798]: error: ssh_selinux_getctxbyname: Failed to get default SELinux security context for tiger I googled for this, and ran across the following: http://www.spinics.net/lists/fedora-.../msg13049.html Here's the part that I think relates to the problem that I'm having: Quote: What's wrong on my system? Why it's not possible to login even if selinux is in permissive mode? Any suggestions? I'd start by trying to figure out why sshd isn't running in sshd_t (it seems to be running in sysadm_t). Paul. selinux mailing list selinux@xxxxxxxxxxxxxxxxxxxxxxx https://admin.fedoraproject.org/mail...stinfo/selinux Yes, sshd is running in sysadm_t: ps axZ | grep sshd system_u:system_r:sysadm_t 3632 ? Ss 0:00 /usr/sbin/sshd -o PidFile=/var/run/sshd.init.pi ls -Z /usr/sbin/sshd system_ubject_r:sshd_exec_t /usr/sbin/sshd Don't know why it's not sshd_t. I didn't modified something. It's a standard installation of sles11 with the default reference policy from tresys. Maybe this code snippet from policy/modules/services/ssh.te is responsible for that: Allow ssh logins as sysadm_r:sysadm_t gen_tunable(ssh_sysadm_login, true) Any ideas? Do you have boolean init_upstart set to on? if not try setting it to on. I do not believe ssh_sysadm_login boolean works currently but i may be mistaken. -- Yeah, setting init_upstart to on did the trick! THANK A LOT! Do you know why this prevents the user from logging in through ssh even if selinux is set to permissive?? Ok, so the million dollar question is "where do I set 'init_upstart=1'"? It's not clear from context which configuration file needs to be edited, and I'm not at all familiar with SELinux configuration.

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• Dynamic fowarding with SOCKS5 proxy [on hold]

  - by bh3244

  I'm building my own SOCKS5 client and HTTP library and am having trouble figuring out how things work with dynamic port forwarding. So far I can connect successfully with my SOCKS5 client, but from there on I am stuck. I am using the ssh -D command. Considering I have my local machine "home" and my server "server" and I wanted to use "server" as proxy for all connections I understand I would type ssh -D "localport" "serverhostname" on my local machine "home". This command I understand has ssh accept connections with the SOCKS5 protocol. So now if I want to connect to google.com(74.125.224.72:80) and issue a GET for the front page, I assume I would send the SOCKS5 client request and the server would respond back with a 0x00 "succeeded" and from then on I am connected and I would send the HTTP GET request and the server would respond back accordingly with the data. Now if I want to navigate to a different website, must I issue another SOCKS5 connection request for that sites IP/hostname? I'm confused if this is the way it is done, or if there is a program listening on the local port of the "server" and handling outgoing and incoming data. To reiterate: Do SOCKS5 proxies work by sending repeated SOCKS5 connection requests for different addresses or is there just one connection to a local port on "server" and another program on "server" handles the outgoing connection to the internet by using that local port to send and receive data to/from "home"?

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• How to edit known_hosts when several hosts share the same IP and DNS name?

  - by Frédéric Grosshans

  I regularly ssh into a computer which is a dual-boot OS X / Linux computer. The two OS instance do not share the same host key, so they can be seen as two host sharing the same IP and DNS. Let's say the IP is 192.168.0.9, and the names are hostname and hostname.domainname As far as I understood, the solution to be able to connect to the two host is to add them both to the ~/.ssh/know_hosts file. However, it is easier said than done, because the file is hashed, and has probably several entries per host (192.168.0.9, hostname, hostname.domainname). As a consequence, I have the following warning Warning: the ECDSA host key for 'hostname' differs from the key for the IP address '192.168.0.9' Is there an easy way to edit the known_hosts file, while keeping the hashes. For example, how can I find the lines corresponding to a given hostame? How can I generate the hashes for some known hosts? The ideal solution would allow me to connect to seamlessly to this computer with ssh, no matter whether I call it 192.168.0.9, hostname or hostname.domainname, nor if it uses its Linux hostkey or its OSX hostkey. However, I still want to receive a warning if there is a real man-in-the middle attack, i.e. if another key than these two is used.

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• Get Internal IP Address From DHCP Hostname

  - by ell

  I would like to try and get an internal ip address of one of the computers on my network. The reason for this is I have a little home server box downstairs but every time I want to SSH into it I have to open my router configuration and go on the DHCP client table and look at the IP address. For example I would like to be able to go ssh ell-sever instead of ssh 192.168.1.105 or whatever it happens to be. My network configuration is like so: Router downstairs that is connected to the Internet and is running a DHCP server My server computer (ell-server) is a headless pc connected to the router via ethernet cable. Running Ubuntu 11.04 Server Edition My laptop upstairs (ell-laptop) that is running Ubuntu 11.10 Desktop Edition connected wirelessly Other (irrelevant) computers - 2 x Windows XP, 1 x Xubuntu - all connected with cables. (It seemed to me the method of connection isn't useful information but I put it in anyway - just in case. If I have missed any information please tell me) Do I have to run a DNS server on one of my computers? If so which one? And does that mean I will have to run a DDNS client on each computer? Thanks in advance, ell.

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• Understanding encryption Keys

  - by claws

  Hello, I'm really embarrassed to ask this question but its the fact that I don't know anything about encryption. I always avoided it. I don't understand the concept of encryption keys (public key, private key, RSA key, DSA key, PGP Key, SSH key & what not) . I did encounter these in regular basis but as I said I always avoided them. Here are few instances where I encountered: Creating Account: A public RSA or DSA key will be needed for an account. Send the key along with your desired account name to [email protected] I really don't know what are RSA/DSA or How to get their keys? Do I need to register some where for that? Mailing: I'm unable to recall exactly but I've seen some mails have some attachments like signature or the mail footer will have something called PGP signature etc.. I really don't get its concept. GIT Version control: I created account in assembla.com (for private GIT repo) and it asked me to enter "SSH keys" to my profile. Where am I gonna get these? Why do I need it? Isn't SSH related to remote login (like remote desktop or telnet)? How are these two SSHs related & differ? I don't know in how many more situations I'm going to encounter these things. I'm really confused and have no clue about where to start & how to proceed to learn these things. Kindly someone point me in correct direction. Note: I've absolutely zero interested in encryption related topics. So, there is no way I'm going to read a graduate level book on this subject. I just want to clear my concepts without going into much depth.

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• SeLinux blocking connection to sshd on Ubuntu 9.10

  - by Barton Chittenden

  When I try to log on to my laptop, which runs Ubuntu 9.10, the server rejects my login attempts. Checking /var/log/auth.log, I see the following: Feb 14 12:41:16 tiger-laptop sshd[6798]: error: ssh_selinux_getctxbyname: Failed to get default SELinux security context for tiger I googled for this, and ran across the following: http://www.spinics.net/lists/fedora-.../msg13049.html Here's the part that I think relates to the problem that I'm having: Quote: What's wrong on my system? Why it's not possible to login even if selinux is in permissive mode? Any suggestions? I'd start by trying to figure out why sshd isn't running in sshd_t (it seems to be running in sysadm_t). Paul. selinux mailing list selinux@xxxxxxxxxxxxxxxxxxxxxxx https://admin.fedoraproject.org/mail...stinfo/selinux Yes, sshd is running in sysadm_t: ps axZ | grep sshd system_u:system_r:sysadm_t 3632 ? Ss 0:00 /usr/sbin/sshd -o PidFile=/var/run/sshd.init.pi ls -Z /usr/sbin/sshd system_ubject_r:sshd_exec_t /usr/sbin/sshd Don't know why it's not sshd_t. I didn't modified something. It's a standard installation of sles11 with the default reference policy from tresys. Maybe this code snippet from policy/modules/services/ssh.te is responsible for that: Allow ssh logins as sysadm_r:sysadm_t gen_tunable(ssh_sysadm_login, true) Any ideas? Do you have boolean init_upstart set to on? if not try setting it to on. I do not believe ssh_sysadm_login boolean works currently but i may be mistaken. -- Yeah, setting init_upstart to on did the trick! THANK A LOT! Do you know why this prevents the user from logging in through ssh even if selinux is set to permissive?? Ok, so the million dollar question is "where do I set 'init_upstart=1'"? It's not clear from context which configuration file needs to be edited, and I'm not at all familiar with SELinux configuration.

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• Running multiple copies of openssh-server (sshd) on Ubuntu

  - by cecilkorik

  I may be attacking this problem the wrong way, if so let me know. I have a server which is available through SSH from both the public internet and the local LAN. I would like to have two very different security policies for each, by running two copies of sshd with two different sshd_config files each on a different port. Some of the things I'd like to change is to allow password or public-key authentication on the LAN, but public-key only from the internet. All (real) users could login from the LAN side, but only certain authorized users would be individually whitelisted to login through the internet. As far as I can tell this requires having two different SSH daemons running on different ports with different sshd_configs. I am fine with the different ports part, I can easily forward port 22 to any port I want through my firewall. So my question is what is the best way to actually START the second sshd under Ubuntu 10.04 LTS. Is there a recommended way to do something like this? Surely I am not the first person with this sort of need. I have a bit of experience with upstart, and I can manually hack the second sshd into /etc/init/ssh.conf I suppose but I'm not sure if that will get overwritten by the package. However I do it, It's important to ensure both sshd processes always get restarted after any automatic or manual upgrade of the openssh-server package. Thanks in advance.

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• Moving a lot of small files between servers using rsync

  - by Adirael

  Hello guys, I'm moving a lot of files (about 2 millions) between two servers on different locations using rsync over ssh, it seems to work fine but I just realised I'm losing some files on the process. I got server 1, with the original data, and server 2, with the copy. Server 1 runs CentOS 5 and Server 2 runs on Ubuntu 10. I'm doing the transfer on the Server's 2 command line like this: rsync -e ssh -avzn usr@server1:/remote/path /local/path The first file movement I did using tar, but I didn't though of piping it through ssh and it failed cause the disk on server 1 was almost full, so I transfered it anyways (it was about 200GB) and got about 80% of the files. Then I piped another tar with the rest of the files (they're in folders, I got 100 folders with about 30 subfolders each, with files inside) and now I got everything on server 2. I wanted to be sure, so I my two options are getting the md5sum of all the files and check them or running an rsync on server 2 against server 1, that's what I did. It got some missing stuff and now it says there's nothing more to do (DRY RUN). But I got at least two files that are missing inside a subfolder. I ran that same rsync on that folder, but still dry run. Am I doing something wrong? Thanks, and sorry for the wall of text.

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