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• Automatically reboot Windows8 if no internet activity

  - by GrapeCamel

  I have a media server located in a very inconvenient part of my house. Occasionally I will have to reset my router or it will reset itself. The issue is the PC loses connectivity for some reason, and I am forced to walk outside, around the house, into the basement, over a bunch of toys and weights and boxes, to push a button to reboot it. I would love to have it check itself every 5-10 minutes and auto reboot if it is unable to ping a given address/IP. Any ideas how to accomplish this?

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• Amazon EC2 Elastic Load Balancing - strategy for zero downtime server restart

  - by Yoga

  I have 5 web servers (Apache/mod_perl) behind Amazon EC2 Elastic Load Balancing, when I deploy codes to the web servers, I am doing this.. For each machine, shutdown the Apache Update the code Start over the server and proceed to the next server I think when my server is shutdown, ELB will not distribute request to my server, but how about the request still serving? I think a better approach is Stop accepting new request from ELB Sleep for sometimes, shutdown web server only if all requests are responded Update the codes Start the server again But how to perform (1) and (2) from my local sever? Do I need to use AWS API? or other easy way to do it? Thanks.

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• Setting up apache vhost for Icinga

  - by DKNUCKLES

  It's been a while since I've worked with Apache so please be kind - I'm also aware of this question but it hasn't been much help to me. I'd like to set up a simple vHost w/ Apache for my Icinga instance. Icinga is up and running and I can access it from x.x.x.x/icinga, however would like to be able to access it externally as well as internally. I have set up the /etc/hosts file and the following is my barebones vhost statement in httpd.conf <VirtualHost *:80> ServerAdmin [email protected] DocumentRoot /usr/share/icinga ServerName icinga.domain.com ErrorLog logs/icinga.com-error_log CustomLog logs/dummy-host.example.com-access_log common </VirtualHost> I also have the following in my .htaccess file <Directory> Allow From All Satisfy Any </Directory> An entry has been made for the instance in the Windows DNS server on my network, however when I try to access the site by URL I am greeted with Internal Server Error. Reviewing the /var/log/icinga.com-error_log I see the following entry. [Thu Dec 13 16:04:39 2012] [alert] [client 10.0.0.1] /usr/share/icinga/.htaccess: <Directory not allowed here Can someone help me spot the error of my ways?

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• log execution of certain commands on linux

  - by jlsksr

  I have to maintain a system (debian) on which several users are allowed to install programs - so I would like to log, for example, if anyone executes "apt-get install" or "apt-get purge", so I can keep track of manually installed packages.. I'm looking for a general way to achieve this; it's not just APT, but several programs/scripts etc. Any ideas? /edit a google-search with few different keywords brought up this: http://serverfault.com/questions/201221/how-to-log-every-linux-command-to-a-logserver http://stackoverflow.com/questions/15698590/how-to-capture-all-the-commands-typed-in-unix-linux-by-any-user http://sourceforge.net/projects/rootsh/

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• nagiosgraph new services not showing

  - by Eleven-Two

  I am using Nagios Core with Nagiosgraph and had only enabled graphing for cpu usage for a while. This worked fine, but now i wanted to add some more services (for example memory usage). The new services are not working (no rrd data is generated). The Nagiosgraph site only says "no data available" and I get no error in apache log, nagiosgraph.log or nagiosgraph-cgi.log. The new services are standard services (nsclient++ MEMUSE for example) and of course they are included in the map file. If I execute the checks manually, it shows also the perfdata. I added the services by enabling the "graphed-service" use. Did I miss something?

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• Automatically reboot Windows8 if no internet activity [migrated]

  - by Patrick

  I have a media server located in a very inconvenient part of my house. Occasionally I will have to reset my router or it will reset itself. The issue is the PC loses connectivity for some reason, and I am forced to walk outside, around the house, into the basement, over a bunch of toys and weights and boxes, to push a button to reboot it. I would love to have it check itself every 5-10 minutes and auto reboot if it is unable to ping a given address/IP. Any ideas how to accomplish this?

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• check_ssh executed from Nagios server returns "Server answer: ", nothing else

  - by phs

  Commmand works on the host I need to monitor (its IP is denoted as $HOSTADDRESS$ here): [root@host ~]# /usr/local/nagios/libexec/check_ssh localhost SSH OK - OpenSSH_4.3 (protocol 2.0) However, on the Nagios server, it does not: root@server:~# /usr/lib/nagios/plugins/check_ssh -H $HOSTADDRESS$ Server answer: I can see that the port is open: root@server:~# /usr/lib/nagios/plugins/check_tcp -H $HOSTADDRESS$ -p 22 TCP OK - 0.123 second response time on port 22|time=0.123277s;;;0.000000;10.000000 And I can verify with telnet: root@server:/etc/nagios3/conf.d# telnet $HOSTADDRESS$ 22 Trying $HOSTADDRESS$... Connected to $HOSTADDRESS$. Escape character is '^]'. After searching the web for two hours and trying different suggestions I am out of ideas. I have several other hosts with similar setup, and they don't have this problem. I have compared the configs and they look the same (I think). I am clearly missing something here.

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• task manager for Internet usage, I need to block a software accessing a website/web server

  - by Pennf0lio

  I have a software that accesses a website, I want to monitor what website is it accessing and block that website. Is there a software similar to "windows task manager" that allows you to monitor software that accesses a website? I want to know what website/server is it accessing so I could then block it. And Is there an alternative way to block aside from "host" file? Thanks! FYI: running on Win7

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• SNMP HOSTMIB.MIB not loading?

  - by Eriedor

  Forgive me if the answer is something glaringly obvious but I just can't seem to get access to any OIDs under the HOST branch in SNMP. I've used an SNMP browser to inspect a few of my systems and none of them show a HOST branch under ISO.ORG.DOD.INTERNET.MGMT.MIB-2. Any thoughts as to why? I'm looking to monitor a few computer's hardware resources via SNMP and unfortuantely all such OIDs live under the missing HOST branch, Any thoughts?

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• How To Monitor Home Wireless Network Connected Devices Bandwith

  - by GWLlosa

  (Originally posted on SuperUser, not sure if it might be better suited here) I have in my home a standard Comcast cable internet connection. I have it going from the wall to a cable modem, and from the modem to a late-series Linksys router, which provides wired and wireless networking. The vast majority of the users are wireless connections. For day-to-day tasks, this connection is fully sufficient for all my needs. However, on regular occassions, we have social gatherings that involve many people bringing laptops and other PCs and using the network and internet simultaneously, frequently for gaming. I have no administrative oversight over these machines; they have been known to be riddled with spyware and/or bloatware or be running torrents, legal or otherwise. The only reason I care is that on a regular basis, one of the machines will flatline my internet bandwith, and consume it all in order to upload/download/spam people/whatever. When this happens, the latency of the connections for gaming and the like becomes unacceptable, and everyone suffers. My question is: Is there a system I can set up whereby I can easily monitor the various systems connected to my wireless connection, see how much bandwith each one is using, and for what ends? That way, at a glance, I can spot the offending machine and kick it from the connection, without having to go from machine to machine, checking each one's "bandwith used" properties manually, and dealing with the owner's indignant protests all the while. I understand this will likely involve 3rd-party software and/or hardware; my issue is I don't even know where to begin.

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• Need to know who is hogging my bandwidth?

  - by Dev

  I have an ethernet connection to my iMac and with Internet sharing I am broadcasting the wireless network from my mac rather than using a wireless router. I use it to connect other devices wirelessly to the internet. But this makes all the traffic flow through my iMac. I wanted a way to analyze the traffic so that I know what connected devices are hogging the bandwidth at a given time and from which websites? I installed wireshark for mac and played around a little but it seems like an overkill when you first look at it. Can someone please help with few instructions to get what I need or any other way other than using wireshark? Thanks Dev.

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• Monitor status while using VNC

  - by kumar

  So after connecting to a vnc server via vnc viewer to my desktop (remotely), Is it possible to know whether the monitor connected to the CPU is switched ON or not. Simply put, from command prompt how do you know whether monitor is ON/OFF from command line. Here, Basically I am bit worried about privacy as my monitor can be viewed by anyone while accessed remotely. Any solution? Obviously there is a option to switch off the monitor while starting the vnc server at remote side but I am looking for a better solution to control monitor(possible??) remotely. Thanks!

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• How to monitor IO svctm with every 5 mins frequency using nagios?

  - by sabya

  I want to collect samples of iostat's svctm, await every 5 mins from all of my servers and store them in nagios. I want to get the values for what is happening in every 5 minutes (not since boot time, iostat's first output gives values since boot time). How can I do it in nagios? EDIT The tps should NOT be calculated #of transactions happened since reboot divided by uptime. What I want is # of transferred happened in last X mins divided X*60.

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• How to manage configuration software installations of non-domain Windows XP machines?

  - by Digi

  I have a large set of unattended Windows XP machines who are not connected to a domain or even to each other. I am struggling to find any tools out there that I can use to deal with them in one application. I am hoping to find software that I can perhaps install a client on each machine, then have it essentially proxy out configuration information and possibly commands (install, uninstall, stop service, etc) across the whole network. The closest I've come is Nagios and its client, but it cannot be used to push files through and run commands remotely. Any suggestions?

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• Linux: Tool to monitor every process, execute-command, shortly, monitor what's happening at the moment

  - by Bevor

  Hello, due to a freeze problem of my Ubuntu 10.10 (it is not isolatable) I though about logging every executable of the kernel somehow in any file to see what happens last when a freeze occures the next time to not lose valuable information. I found acct but this is obviously not what I'm looking for. Actually it logs just user commands and those things. I need something which logs in a much "deeper" level. The best would be some kind of script which records every interrupt. Does anybody know some tool like that?

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• laptop and it drastically reduces the performance of my machine as the Indexer is constantly running

  - by Sakthy

  I get the below error on my laptop and it drastically reduces the performance of my machine as the Indexer is constantly running. Please identify a solution except re-installation ? Faulting application name: SearchIndexer.exe, version: 7.0.7600.16385, time stamp: 0x4a5bcdd0 Faulting module name: TQUERY.DLL, version: 7.0.7600.16385, time stamp: 0x4a5bdb21 Exception code: 0xc0000006 Fault offset: 0x0002e5c2 Faulting process id: 0xbe0 Faulting application start time: 0x01cd0752bd78cce1 Faulting application path: C:\Windows\system32\SearchIndexer.exe Faulting module path: C:\Windows\system32\TQUERY.DLL Report Id: 16ce8a2f-7346-11e1-840a-a92a5ee507c3 EventID: 1000

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• Monit checking URL follow redirects

  - by beck

  I am looking to use monit to keep an eye on my site. I want it to treat it the site like an external user so am testing the url but it doesn't seem to follow redirects. The content check is being performed on the html of the redirect. #request works: if failed url http://www.sharelatex.com/blog/posts/future.html content == "301" #request fails if failed url http://www.sharelatex.com/blog/posts/future.html content == "actual content" Finding out how to get the url check to follow 30X would be great.

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• Best way to log internet traffic for office network via remote IP

  - by buzzmonkey

  We have a network of about 40 machines running either Win XP or 7 in our office via LAN switches into 1 x Netgear Router (WNDR3700). We have noticed recently that our local network has been added to the CBL Blacklist due to one of our machines being infected with Torpig. I have attempted to use Kaspersky's TDSSKiller Antirootkit Utility to find the infected machine but all appear to be clear. The CBL register advises to find the local machine which is connection to the remote IP address (CBL has provided the range). However, our router does not have the ability to block remote IP addresses - does anyone know of a software which can log all the internet traffic, which we can then use to find the infected machine.

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• How to check the result of a script with monit?

  - by matnagel

  Is there a way to check the result of a script with monit? For example if a script returns 0 it is ok, but 1 means failed. My workaround is to call the script with cron and write the result to a file and check the file with monit. But I am sure monit can do it more elegantly?

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• What kind of proxy acl rules should be applied?

  - by user42891

  I try to block sites in squid based on this article. Assuming you would want to block access to Yahoo (e.g http://www.yahoo.co.jp, http://www.yahoo.com, http://www.yahoo.co.in), you would ideally want to block all of the above URLs, if I use a regular expression and try to search something called yahoo it seems to get blocked. We are just interested in applying rules which would be most commonly used across all companies (e.g. social networking sites like facebook, orkut), porn sites (e.g. sex), gaming sites (games), movie & song download sites, and sites where they can upload data (e.g. rapidshare) What would be the common set of effective rules in achieving the above?

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• default page in pnp4nagios

  - by bluszcz

  I am using pnp4nagios along with the nagios. Everything seems to be integrated properly - I have "extra action" icons close to every host and service which links to pnp4nagios graph. However, when I am going to the https://x.x.x.x/pnp4nagios/ it always change the url to the: https://x.x.x.x/pnp4nagios/graph?host=webhost01 How Can I turn off this behaviour? I would like to see on /pnp4nagios/ collected graphs from all servers.

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• system center operations manager (SCOM) role combinations

  - by KAPes

  We are evaluating system center operations manager 2007 R2 product, and would like to know what all roles can be combined onto single server. Like root management server and reporting servers can be on one box or not? my environment is like 450 servers mostly Exchange and Domain Controllers plus few OCS servers.

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• Linux foxboard network monitor

  - by het.oosten

  I want to use a Foxboard a simple network monitor for multiple routers (all routers are connected to the internet). Foxboard is a mini pc with an embedded version of Debian. My idea is to use multiple virtual network devices like this: eth0 192.168.2.10 eth0:1 192.168.3.10 eth0:2 192.168.4.10 I found a nice Python script to ping an external host here (the solution from Ryan Cox): http://stackoverflow.com/questions/316866/ping-a-site-in-python Is it possible to configure Debian to use eth0 when I ping www.site-a.com and eth0:1 when I ping www.site-b.com?

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• What would cause a query being ran from SSMS on local box to run slower then from remote box

  - by Racter

  When I run a simply query such as "Select Column1, Column2 from Table A" from within SSMS running on my production SQL Server the results seems to take extremely long (45Min). If I run the same query from my dev system’s SSMS connecting to the production SQL Server the results return within a few seconds (<60sec). One thing I have notices is if the system was just rebooted performance is good for a bit. It is hard to determine a time as I have had it start running slow very quickly after reboot but at most it performed good for 20min and then start acting up. Also, just restarting the SQL service does not resolve the issue or provide a temporary performance boost. Specs for Server are: Windows Server 2003, Enterprise Edition, SP2 4 X Intel Xeon 3.6GHz - 6GB System Memory Active/Active Cluster SQL Server 2005 SP2 (9.0.3239)

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• Using Process Monitor to track registry changes

  - by CChriss

  It seems many people like using Process Monitor to see what changes are being made to the registry during a process. So I downloaded it. I want to see what changes are made in the registry by some config changes I'm making on my computer so I can write them into a vbs script to do them easily. Can someone tell me how to drive Process Monitor to capture the info? In the Help I don't see how to do it. I'm using Windows 7 home Premium 64 bit.

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