Networking :: Backing Up Between Differing Systems?
Aug 15, 2010
I currently have 2 laptops which share a wireless connection to the internet and would like to be able to set things up in order that I may backup data from both to a desktop system. My laptop which is the prime system and the desktop both are using Ubuntu 10.04 as their OS whilst the other laptop uses Windows XP. Up until now I have been copying data from the Ubuntu laptop to the desktop by the use of an external USB hard drive. Similarly the data from the XP system is swapped about between machines using this method.
Ideally I would like to find a way where I can backup data from both laptops to the desktop without involving the third party (the USB drive). What would be the best way forward to achieve this aim. Data from the Windows system will be either OOo or Jpgs so compatability should not be a problem. Using the desktop I would wish if possible to be able see what is on the system without the need of having to continually having to connect a monitor to it.
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Jun 1, 2010
I am trying to find out the best way to setup my new quad core PC. My thoughts were to use Windows 7 64bit for games and ubuntu 10.04 64bit for everything else eg, movies,photos,music, docs etc, email and web browsing backup ubuntu fully and backup an image of windows or backup both systems fully.There are several ways to do this from the googling i have done, but unsure what is the best method Option
1) Install windows, install ubuntu by partition hardrive - standard easy process.
2) Install windows, install vmware player 3, install ubuntu -URL...
3) Install windows on one hardrive and install ubuntu on another hardrive - have not been able to find a tutorial for 10.04 yet
All of the above options i have no idea how to backup both systems.My reasoning for wanting ubuntu is because of my bad experience with windows( viruses, malware, and operating system getting slower over time). Seeing that my PC will be used by all of my family, i do not want them to use windows if possible. If a dual boot system was to be used, master would be Ubuntu and slave windows, ie when my family turns on PC ubuntu loads.
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Sep 9, 2010
what I am trying achieve is read/write access for my MS domain account and read-only access for everyone else. In smb.conf I have this:
Code:
map to guest = bad user
usershare allow guests = yes
username map = /etc/samba/smbusers
[code].....
I can access this fine with my MS domain account, what I can't work out is how to give others read-only access to the same share. I guess I could create a second share for the same folder with a different name and permissions, but that seems a bit clunky and I'd have to remember to pass on a different name to the one I am using. I also tried using the Nautilus right-click "Sharing options" and then setting the folder permissions. This works fine for giving others read-only access, but loses capitalisation of the share name and doesn't seem to recognise my MS domain account as being valid.
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Aug 25, 2010
Quick ACL question: I want to set up default permissions for a file share so that everyone can rwx all of the directories and so that all newly created files are rw. Everyone who is accessing this share is in the same group, so this isn't a concern. I have looked at doing this via ACLs without changing all of the users' umasks and such. Here are my current invocations:
setfacl -Rdm g:mygroup:rwx share_name
setfacl -Rm g:mygroup:rwx share_name
My problem is that while I want all of the newly created sub-directories to be rwx, I only want newly created files to be rw. Does anyone have a better method to achieve my desired end-result? Is there some way to set ACLs on directories separately from files, in a similar vein to "chmod +x" vs. "chmod +X"?
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Jun 2, 2010
At my work, we have an ISP that provides us with 2 connections with different IP addresses but at the moment they don't switch automatically if one fails, and can only work for outbound traffic.I tried to automate this with floating routing table on a CISCO 1711 router but then switching to the second link only happens when there's no longer a signal on the cable that's plugged into the router's interface directly -- and the failure most often happens somewhere in the middle. And that also does not make us available from outside.
Can anyone suggest a better way? Maybe an outside DNS server can have a second IP address recorded for our domain name?I found somewhere suggestions that a loadbalancer could solve that but these appliances are way too expensive.I also thought about using BGP but my router's RAM (128MB) is too small for the global routing table that BGP requires. And I also need an ISP (or better 2 ISPs) that provide BGP service. Before trying to convince others that we need to invest more into this, I'd like to know whether there are no easier ways.
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Aug 31, 2010
I dont know if my question is correct or not... but that is my way of understanding (it sounded different to me too Now my problem is. My ISP registers MAC address when connected to Internet. So if connect another system with a switch, Internet will be accessible by only one system (which registers first). I want both systems to work at a time!
What should I do?? Are there different methods of connecting? I searched google, but I could not frame a sentence to ask? It would be happy if it is either a command based or UI based. ++: How can I restrict the bandwidth usage of the second system??
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Jan 21, 2010
Last year I was looking into fault-tolerant distributed file systems and I recall one kernel-based system that required a physical partition on each machine in the cluster, but would treat it as a single volume - ie. a write on one server would appear on the disk on all the servers.Unfortunately I didn't bookmark the specific system I was looking at, and now a year later I can't remember the details.What I don't want is NFS - a single file server with a file system mounted on various machines. What I do want is mirroring - one disk shared among multiple servers, so that if one server dies, it doesn't make any difference to the rest of them.
A bit of investigation turned up Red Hat's GFS, which kind of looks like what I want, but looks more and more like an NFS model to me. I was wondering what everyone's opinion of the various options out there were.
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Mar 9, 2011
I am doing a project based on the AD-HOC network. i have to do this on the two linux systems currently i am using fedora 13 and opensuse 10.3 beacuse the two laptops supports only these. the exact problem is how to configure the adhoc network to connect these two systems urgent reply needed please
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May 26, 2010
I have fedora12 on two pc's, i want to share some files between them which i was not able to do with nfs, so let me know the whole procedure to do that n also let me know where my shared files will be visible
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Apr 20, 2010
How can I send out a broadcast from one device to the other machines on the LAN to reply with their operating system.
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Jan 20, 2011
I have 3 pc's on home network. All dual boot Windows and Ubuntu. All have Samba installed, plus personal file sharing. When all 3 are booted into linux, all 3 show the public folders on all 3 pc's, but only 2 can access the other pc's folders.
I can't find any difference between the systems to explain why one pc (10.04) cannot mount either of the other two public folders: Unable to mount location. DBus error org.freedesktop.DBus.Error.NoReply: Message did not receive a reply (timeout by message bus)
even though their icons are shown in 'network'. The public folder on the troublesome pc can be accessed from the other two (10.04 & 10.10).
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Jun 3, 2009
I am working one linux server and 5 win xp systems. They connected in lan. In linux server have one builtin lan card and one add-on lan card. Add-on card configured ip which has ISP given.
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Mar 5, 2010
How to shut down the remote systems connected in my network? I have a GUI developed in Java and I need to schedule a time for all my clients and by that time I need all the clients to get shut down...!
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Oct 5, 2010
I've got Ubuntu 10.04 on my laptop and have recently (within the last 72 hours) started having trouble connecting to other machines on my local network. I'm unable to ping both my router and a server set up in the room beside me.
1. I have tried pinging my server and router from other machines and it works fine. Accessing the server via HTTP works from all machines except for my laptop.
2. I am, however, connected to my router via wireless and can access the internet. Also, if I connect via an ethernet cable I am able to ping both my server and router, although I'd love to be able to go wireless.
3. I assume something's wrong with my wireless setup, but I really can't figure out what. Possibly related note: my wireless has been disconnecting unpredictably on my home network (WPA).
Let me know if you'd like to see any command output and I'll get it to you asap! I've got a Dell Studio 1558 w/ the dreaded Broadcom BCM4312 wireless controller.
Code:
user@blue-skies:~$ cat /etc/network/interfaces
auto lo
iface lo inet loopback
[Code]......
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Jan 11, 2011
We have to connect one PC in private network (campus) with other PC (mostly a modem in our case)in public network. Connection should be peer to peer like and we have to use C coding for establishing connection between this two systems. Is it possible if we use port forwarding or is there any other way?
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Mar 8, 2010
We have connected two systems with ethernet cables and have configured the two systems with ipv6 addresses. The IP of one system is 2001:0db8:0:f101::1 (let's say X::1) (This system runs OS Fedora 10) and the other is 2001:0db8:0:f101::2. (Let's say X::2) (This system runs OpenSuSE 10.3) We are able to ping from both systems to the other. We are able to ssh into the one with IP X::2 from the one with IP X::1, but not vice versa.
We have disabled iptables on both systems by using the following commands:
/etc/init.d/iptables save
/etc/init.d/iptables stop
on the fedora 10 system and
# iptables -X
# iptables -t nat -F
# iptables -t nat -X
# iptables -t mangle -F
# iptables -t mangle -X
# iptables -P INPUT ACCEPT
# iptables -P FORWARD ACCEPT
# iptables -P OUTPUT ACCEPT
on the openSuse system.
The error we get in trying to ssh from the openSuse system to the fedora system is:
ssh: connect to host 2001:0db8:0:f101::1 port 22: Connection refused
We're trying to write server and client code to send data from one system to the other using SOCK_DGRAM. The code works fine when we run both the client and server on the same system. However, we are not able to send data from one system to another when we use the IPv6 addresses to run the client and server programs.
The error we get is:
sendto(): Operation not permitted
The codes we are using for the server and client programs can be found here in beej's guide here : [URL]. We've only substituted the appropriate addresses in the right places... We've disabled the iptables...
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Oct 30, 2010
I'm trying to automate the transfer and processing of files between two systems to help test and compare a new server installation. The workflow is a bit complex but I'm basically modifying a script on server 'A' to push a file to server 'B' as standard input to another script.
[Code]...
But no luck. I've tried it without the port in the server_args parameter, without the '-l' option; I've tried having the server parameter set to 'tcpd' and the call to '/bin/nc' in the server_args too. But no success. Can anyone point out what I'm doing wrong with the config? PS. I've restarted xinetd and server B is listening on port 1112 and accepting connections - but nothing gets piped into the script on server B.
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Feb 13, 2010
I am using Ubuntu 9.10 and I've installed a Samba Server. Unfortunately I can't see any Linux/Unix/Mac systems in the networ environment. Only the Windows computers are visible.
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Mar 7, 2010
I got 9.10 on by laptop and xp on other computer. Installed samba server and xp recognized my laptop but not anything I share on ubuntu. am i missing something in samba config file? Im trying to share home directory on ubuntu and both systems have the same login id.
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Aug 22, 2011
I have a netgear wireless system and it is problematic with Linux. I need to use a static IP or will loose connection. It is also problematic with an itouch and a kindle. I just bought my wife a kindle and need to get it to work. It there a way to run two home wireless systems from one Internet connection? I have a wireless router supplied by surewest but my wireless Cannon printer did not seem to like that.
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Mar 13, 2010
Do any one knows how to ping global inet6 addresses assigned between two systems. I assigned inet6 address through "ip addr add 2001::4 dev eth0" and similarly 2001::5 in another machine and tried to ping 2001::5 from 2001::4, but it is showing,
sait87@static-host:~$ ping6 2001::5
connect: Network is unreachable
Do any one knows solution for this problem.
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Mar 8, 2010
I am testing MINE protocol now. I got the basic concept of MINE protocol, but i dont know how to configure MINE protocol by creating a tunnel between two systems.
I did this configuration with linux boxes for GRE protocol.
creating a tunnel for MINE protocol and give me configuration details.?
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Apr 21, 2010
I have two systems located far from each other approximately 15 kilometers. They dont have communication between them only thing is phone.
The one system want to connect other using the telephone line using ADSL or simple modems. To transfer the files or to use VNC, RDP.
What linux, windows softwares presently supporting this feature. I Want to communicate between two systems without Internet but only with the phone lines.
establish the connection between two using phone line (without internet).
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Dec 14, 2010
I am looking for a way via script to change a systems hostname and IP address!
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Jul 8, 2010
I recently set up an Ubuntu server computer (10.04) with the hostname 'morbo', and with a static IP address. With all my other ubuntu systems i can ping and ssh using their host names, like:
[code]...
i can't reach it via 'morbo.local' nor can i reach my other ubuntu systems from morbo by their hostnames. I have seen a 'quick and dirty' solution which might help here : [URL]... , but i don't want to have to add every system to morbo's list and morbo to every systems list, and because it works without manual configuration on all my other systems, i don't see why it shouldn't be possible here. Currently everything connects to one d-link router - does this mean it is the DNS server?
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Dec 19, 2010
if this a simple question I apologise, I'm using a SSH connection to a remote machine which also has ubuntu installed, my remote machine is connected to a windows server, using <places> <Network> and clicking on the server, doing this mounts the server into my remote file systemWhen i look around the file system of the remote machine i'm unable to make the windows server resource available to me.I Assume it has a service file in the /dev directory, but would not know what its called or what i would have to do with it.In the mean time i've managed to connect directily to the server from my local machine, (which is probbialy a better solution) but is it possible to see the server via my remate machine?
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Mar 15, 2011
In my working environment have 40 system .Its ip address is given manuallyto connect each for lan connection .40 are not using ubuntu while other using windows .My question is there any package to trace ips of entire system
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Dec 9, 2010
I might as well start off by saying that I have the Linux-based Linksys WRT54GL router running the Tomato firmware. I've come up with an idea that I'm not sure is possible. Specifically, setting a router up to ban not by the MAC address of the network card, but by the operating system the machine itself is running.
This way someone could have, say, a laptop dual-booting Windows and Linux and would be unable to access the internal network if they are in Windows. However, if they reboot into Linux (or practically any other OS) they would be able to access the local network safely without the chance of spreading worms and whatever else garbage across the internal network. Similarly, other devices like Xbox 360s, Wiis, etc. would be unaffected since they don't run Windows. [Yes, 360 probably runs some highly modified NT kernel, but almost nothing else is similar to a Windows PC and the whole system is highly locked down by Microsoft, so I'd say it could be an exception.]
I was thinking of specifically banning Windows XP and lower (honestly as f***ed up as I've seen Vista and 7 get, I would consider banning those too...). The idea is to allow, well... everything that isn't Windows (except possibly Win7) to connect wirelessly to the local network.
Unfortunately, I cannot do anything like this just yet, and I'm in the planning stages, trying to figure out if it is even possible. There are unfortunately two computers in the house that aren't mine (one running Windows XP and another Windows 7... go figure, they came with it and either my sister refuses to use anything else or my mom's computer's wireless is a massive PITA to get to work in anything *besides* Windows). My guess is that this is either not possible or would be extremely hard to pull off. What do you guys think?
On the other hand, it would probably be possible to connect two routers to the incoming cable connection, giving them both different settings (SSIDs, WPA passwords, etc.) and only giving Windows users access to the outer router, but it'd be cool to be able to accomplish something like this with one router through its settings.
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Mar 8, 2011
I have ubunto desktop 10.04 LTS I installed samba and able to access the share on windows machines. However i want to access the share on 300 windows machine(for example) systems at a time Is it possible.
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Feb 10, 2011
I have a number of CentOS servers with latest 5.xI have 3 nameservers in the resolv.conf files. All 3 nameservers test out fine when checking for domain lookups.I'm having some trouble with ns1 and shut it down.l None of the CentOS machines fail over to the ns2 & ns3 entries. Basically everything stops resolving even though the other 2 nameservers are alive and well.
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