Ubuntu Networking :: Remote Shutdown Of Networked PC's?
Sep 2, 2010
I will be running a network of +- 35 Ubuntu pc's from next year on. I have already started setting up remote desktop viewing utilities, but I now need a way to remotely shut down all the pc's at the same time, with a simple command as Admin. Setting up scripts to execute at a certain time is not gonna help, as the online time wont be the same all the time. I want to avoid having to remotely shut down each and every pc, as this will take quite a lot of time.
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Nov 4, 2009
This is most likely a Vista config thing, but basically I'm using "net rpc SHUTDOWN -f 192.168.xxx.xxx -U username%password" to remotely shutdown both XP and Vista machines.
The XP machines shutdown fine. They have the same local user account names and passwords as the Vista machines. The Vista machines repond with NT_STATUS_LOGON_FAILURE.
I've checked (way too many times) that my usernames and passwords are correct, Ive disabled the Windows Firewall in Vista, and I've been googling for two days and can't really remember all the other things I've tried.I'm sure it's probably some kind of security thing in Vista, but I barely ever use Vista and don't know where to go from here.
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Dec 11, 2010
Ok here is the deal, I am allowing my neighbor access to some networked folders on my ubuntu file server in exchange for access to their washer & dryer. I have already created mapped drives on their xp machines but now I want to only allow them "read only" access so they don't accidentally delete anything?
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Jan 14, 2010
If I DL something from the Internet It askes were to save. This is normal however even though my 2 computers are nicely networked I can't seem to navigate to the network to save onto the other computer.
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Jan 23, 2010
So having recently set up my server (including some disk space and ushare, and an additional laserjet printer) I was wondering if anyone had any experience of putting a multifunction printer into an ubuntu server and adding it locally (to the server) then to the networked computers....I know this printer works perfectly (the scan too!) when plugged directly into a machine's USB....I suppose my real question is....does anyone know anything about the scanner side of it?? is this going to work?? I reckon the printer side will (/should - i know the printer works and i know the server can share printers.....lol) but the scanner side is relatively new (when put into the context of shared from my HS.Please note:My server is just running vanilla (plain) ubuntu 9.10....and my compo's are 10.04 and 9.10....ubuntu ONLY network...
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Aug 8, 2011
I have developed a site in localhost in my laptop. Here are the specs: Ubuntu 11.04, Joomla! 1.7, Db Ver: 5.1.54-1ubuntu4, PHP Ver: 5.3.5, Web Server Apache/2.2.17
This laptop is connected to a wi-fi network. Task: I like to see this local site from my laptop to other desktop computers in the same network. I understand that I need to do some changes in /etc/hosts what changes I need to do to be able to see my localhost site in the network.
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Jun 14, 2010
My friend has a Windows 7 desktop with a large data hard drive which is set up to allow other users to connect to remotely, such that they have read and write access. To set up a connection from another Windows machine, it is as simple as right clicking in the My Computer window and selecting "New Network Connection", then entering the information requested.
The information my friend as given me is:
- The IP Address
- The Hard Drive's Name
- A Username and Password
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Mar 25, 2011
Back in school I remember using an application that would identify active IP addresses on a network, and basically show you a log of activity. We actually monitored another lab and went in and showed them what we saw (all the machines had IP addresses on the monitors.) We could see websites, bandwidth, etc.
I'm trying to find an application that would do this again. I've been trying to monitor my networks to see what machines are performing unauthorized operations. ISP is showing high bandwidth usage and there is no way checking email and browsing is using this amount, 200GB a month! Something is going on here.
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Feb 21, 2009
I want to find the MAC address of another pc connected to my pc through LAN. That PC is showing GRUB load error so i cant boot it.
Can i find its MAC address through my PC? Both PC's are connected in LAN.
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Apr 21, 2010
I have a machine running Ubuntu 9.10 that has an external HD with shared folders music folder and media downloads folder). I have set up SAMBA on that machine.
On my laptop I am running a dual boot system with Windows Vista and using wubi install, Ubuntu 9.10.
In Windows, I am able to wirelessly connect to the shared folder and access the music folder and the media downloads folder on my Desktop Ubuntu machine. All is good.
When I boot in Ubuntu, I am unable to connect to the shared folder under Places > Network I can negotiate to the MSHOME (the name of my work group). Once selected I get the error Failed to retrieve Shared List from server error message.
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Aug 16, 2010
i don't have much space on my individual computers, so i have to keep my music files on my laptop with most of everything else on my PC. i want to have rhythmbox play music from my networked laptop, but i have a few issues.
for one, my laptop doesn't show up in Places --> Network
two, even if it did. i'm not exactly sure how i could get rhythmbox to do that. would i have to use SSH? connect everytime?
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Aug 6, 2011
How to Do a Remote Shutdown for a PC on a LAN
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Feb 10, 2010
ow do you remotely shutdown an XP host from a linux machine? I know that you can use shutdown /s /f /m IP_GOES_HEREFrom windows, but how would you do that from linux? (wine does not port the shutdown command)
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Aug 7, 2010
I have a server with Fedora 13 installed and vnc-ltsp-config set up for remote desktop access. Seems to be working fine for everything I need, and with KDM instead of GDM, I'm even able to log in as root to Gnome.Which leads me to the problem. Logging in as root and I get the shutdown menu options in the Gnome "start menu". Log in as anyone else, no shutdown options. Logging in to the console as any user and I get the shutdown options.I want to enable the shutdown options for all users remotely. How can I go about doing this?
And I know someone will say "that's a bad idea". Don't worry, this is a small server at my mom's house I set up for her to run some web proxy filtering with Dan's Guardian and Privoxy. Since I'm typically logging in remotely from home using VNC of some flavor, I'd rather be able to reboot or shutdown through the menu (just more "natural" to me). I know I can shut down through the command line, but that's just too much work.
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Jul 13, 2009
I have built a Centos 5.3 server for a friend of mine that is being used as a NAS server. The server has 4 1TB drives in a RAID 5 configuration and a dedicated non raid system drive for the OS. My friend isnt very Linux literate so I need this bow to be relatively simple. I have worked most of it out but have a question with regards to remote reboot.
I need to be able to shut this device down through the power switch without human intervention (at the moment when the power switch is pushed the server asks to confirm shutdown) the server wont have a Monitor connected so this isn't practical. Is it possible to use the power switch to do an clean, immediate shutdown?
The other option is shutdown through a web page is this something that has been done before? I know he can do it through terminal by issuing a shutdown now command but as I said this guy wants something simple. I don't really want to explain everytime he needs to shut the Server down how to do it if he can just do it via a website or even with the power button.
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Aug 8, 2010
On Windows, I used to be able to search for items on my home server quickly if it had indexing enabled by simpily typing a query in the search box when I was viewing one of its drives (i.e. samba shares).Since I moved the server to Ubuntu, I can find plenty of indexing software like tracker but I cant figure if any of them support querying them over the network. I need a fast way to search through all the files on the server with indexing without the hassle of having to VNC into it.
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Dec 6, 2010
I have installed Tomcat on one machine and MySQL on another. When I run tomcat on the same machine as Mysql and use 'localhost' in the jdbc url, I have no problem accessing mysql through jdbc. So my problem is accessing a remote mysql instance. I have granted privileges in the following way from the MySQL prompt:GRANT ALL PRIVILEGES ON mydatabase.* TO myusername @192.168.0.103 IDENTIFIED BY 'mypassword';
FLUSH PRIVILEGES;
Still I get :
com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorEx ception: Access denied for user 'myusername'@'192.168.0.103' to database 'mydatabase'
sun.reflect.NativeConstructorAccessorImpl.newInsta nce0(Native Method)
sun.reflect.NativeConstructorAccessorImpl.newInsta nce(NativeConstructorAccessorImpl.java:57)
[Code]....
I have no idea whether this is a problem at the operating system level i.e. allowing networked hosts, or whether it is something to do with MySQL. I have commented out bindaddress and, on this version, there is no 'skip-networking' line to comment out.
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Oct 13, 2010
Is there any way to make it so I can let my laptop go into standby that is connected to my printer and make it so that I can still see the printer from my other systems. Then if I print something it brings the networked printer/laptop out of standby and prints my job. I just ran a test and when my system went into standby the printer went "offline" and I couldn't print from it. I don't want to be forced to leave my computer fully on 24/7 to have a networked printer.
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Dec 10, 2010
I have installed a cluster computer with 10 nodes . The manufacturer is HP . All nodes and the master node have redhat enterprise linux installed in them . When I shutdown the nodes from the master terminal using "shutdown -h now" they get shutdown . But they dont get completely turned off . This issue bothers me when the power supply is given , all nodes boot up simultaneously generating a huge heat .
Thing to note : When we shutdown our PC they get completely turned off . When the power supply is given , a press on the Power On button is required to boot the system. But , why does it not happpen in the case of cluster? Is there any other way of completely turning off the nodes from the master terminal ?
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Aug 2, 2011
We have recently upgraded to ubuntu 11.04 64bit from 10.04 and 10.10 in a networked office in which our home directories are mounted on a server raid array. Ubuntu considers that the home directory is a local drive rather than on a networkWe have noticed that file preview are very very slow in 11.04 for pdf's and pictures in nautilus, causing a lag of around 10 seconds for each file. This can cause a problem for folders which hold multiple files which can be previewed. Preview worked fine in previous versions of ubuntu on the same machine, with the same network setup. Previewing of actual local files works faster, but is slower on 11.04, than previous versions.
Both the 10.10 and 11.04 systems are up to date with available updates (11.04 - 2.32.2.1 and 2.30.1 on ubuntu 10)Obviously, there is a work around for this problem - turn off preview. But, it would be nice to turn it on as its a useful feature.
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Jun 18, 2010
I've got a lan with a mixture of linux and win machines. I've got one of those network addressable printers that I really like since I can access it from any machine on the lan in an os independent manner.
I saw in the local computer store network addressable hard drives, i.e., those that have an ethernet address and port. I really like the concept of having hdd storage that is both machine and os independent, just like my printer. However I don't know how to make it secure from spoofers. The only filter between it and the outside world would be my linksys wireless router, which has an internal firewall, but that doesn't seem to be enough security to me.
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Oct 10, 2010
While I was setting up CentOS 5.5 for my first time I faced this problem which is connecting to a printer is not possible, my tutor told me you need to change from eth0 to eht1 or eth2, what does that mean? And if I do this, how can I connect a printer which I have its name and IP address.
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Oct 14, 2010
will going from 10.04 desktop to 10.10 netbook mean i have to reinstall everything? also, does the netbook version support mounting of networked drives?
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Jul 12, 2011
Yesterday I bought the DCP-9010CN printer. When connecting it to a network it replies to pings, and its web-interface is perfectly accessible. Network printing is also possible from a Windows XP computer, but from a Linux box I can only use the printer via its USB connection.
Following Brother's installation instructions I got stuck after changing the USB configuration to the network configuration.
Attached is a more detailed report of my efforts. The attached file consists of several numbered sections, section 6, near line 350 describes my experiences when configuring the printer for USB printing and then for network printing.
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Apr 8, 2010
I have two web servers. One is active and one is in reserve. I keep the user data (web pages) in sync by running rsync every 10 minutes or so. This copies any changes from the active machine to the reserve machine. But, it's slow, only gets changes every 10 minutes, bogs down the disk, does strange things to files that are changing during the rsync process etc...
I want something that will automatically copy any changes from the active server to the reserve server as they are made. IE I hit 'save' on the active server, it copies the file to the reserve server. Simple!
I've been looking around and I see GFS which is really vastly more complicated than I need. I'm happy with read-only access on the reserve host, so I don't need distributed lock management.
I could theoretically implement this by setting inotify watchers on every file and running an SCP or rsync command when a file gets saved. So, it can't be that hard.
I do not need a true networked file system, as in something I mount over the network. I just want something to keep my disks in sync.
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Jun 30, 2010
when my pc boots and shuts down my monitor goes into 'input out of range' mode for a bit between the gui and the text only phases of boot/shutdown.is there a way to fix this? or where to start troubleshooting?also, when it shuts down it hangs after coming back to the text only part
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Dec 23, 2009
I have recently replaced an older server with a new Intel Xeon quad-core processor. The old machine was running FC6, the new machine is running FC11 64Bit. The problem that I am having is that printing to networked printers prints 2-3 pages, then waits 8-10 seconds and then prints 2-3 more pages. This repeats until the printout is completed. My first thought is that FC11 (or somewhere between FC6 and FC11) introduced some way to limit activity to devices? The confusing thing to me is that I went from a single CPU to a quad core machine, increased the memory from 1Gb to 3Gb, moved from a 32 bit machine to a 64 bit machine and I am running the same applications... they just run slower now...
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Jul 16, 2010
I have a Dell ml6000 as a network accessed tape library, I need to mount the tape library on my RHEL5 server as a nst* so I can setup backup crons. What is the process i need to follow to set thsi up?
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Mar 2, 2010
I am under orders from She who must be obeyed that I must fully backup her data as she had a loss of information due to a hard drive failure.Presently I am having her make available her info as shared documents on her XP system and I am copying this data over to my Ubuntu (Karmic) desktop. I would also like to have a USB Hard Drive save the information in order that I can safely store this away from a live system.
So far things are working not too bad but She wishes to have all her backup that was available on DVDs and salvaged from posted material assembled as one complete resource. I can with some effort put this into some semblance of order but do not feel like doing the work twice.I would like some method of easily copying / transferring data to the external HD. Additionally I would like to be able to update data daily and be able to with minimal effort have this synced onto the external HD.
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Feb 5, 2011
Recently I installed vncserver (tigervnc) on my desktop. Ever since my computer refuses to shutdown normally. At shutdown the following message pops up: Quote: System policy prevents stopping the system when other users are logged in Then I have to enter the root password to shutdown. If I stop vncserver before, the computer shuts down normally.
[Code]....
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