Ubuntu One :: Local Network Sync
Jun 2, 2010
I have a simple question: Presume I have two (or more) computers set up with Ubuntu One. I copy the exact same file manually into my Ubuntu One folder on two computers, will the U1 service realise this and not download it again? For example, I want to copy to the cloud a large file so that I can share it with others. It will upload to the server from the computer I first copy it to. Then on the second computer I copy it to the Ubuntu One folder as well, because I don't want to download it since I already have it. Will the U1 service on the second computer see the local file and skip the download?
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Oct 13, 2010
I am using RHEL5 and I did a createrepo -v --update /var/www/html/yum/base/5Server/x86_64/rhel-x86_64-server-5/getPackage/ and the output was
Scanning old repo data
Indexed 10031 base nodes
Killed
Now is that a error? I didn't press Ctrl-C or anything like that, it just finished that way. I have a local yum repository and I use reposync to sync up my local repository with the Red Hat network. Everytime I pull down the updates from Red Hat I used createrepo with no options but wanted to try the --update to see how much time it would save. Anyone have any ideas why it is it was "Killed"
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Sep 27, 2010
What command would you use to read about the sync system call (not the sync command)? How would you read a local man page for sync that was kept in the /usr/local/share/man?
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May 11, 2010
I have setup a deb mirror that is syncing the Ubuntu repositories to my local server. I am maintaining various versions of Ubuntu, from Hardy through to Lucid. I am trying to get a copy of just "Karmic" repo's to my local HDD. The problem is all the packages are under one folder /pool:
main multiverse restricted universe How would I sync all the packages for just Karmic and not the other distro's to my local HDD.
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Dec 5, 2010
I'm trying to understand how gtkpod syncs my local library with my ipod.I've got two repositories. One for my ipod, the other for my local library.what's the procedure to sync them?I know you can drag and drop folders and tracks but I suppose there's a simpler way to sync all my music just doing "something" between my two repositories.
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Apr 14, 2011
I need a program to run on Ubuntu that must be easily set up to do a series of different cloning operations at specific times between the USB drives on a single Ubunu pc, depending on the day of the week." So on Monday folder B is forced to match folder A, Tuesday C forced to equal D ... and on Sunday a whole bunch of these clonings happen. This must all run unattended (at 2am) and be robust with no "what do you want to do next messages" or having the whole thing give up if there is a problem with one file. Though I do need a log of success or failure. Windows programs that do this stuff are FolderClone and GoodSync. I looked at Unison and Rsync and one or two others, but none appeared set up to do what I need, or to be excessively complex / general. I don't need something that can sync two copies, or over internet ....
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Mar 29, 2010
I've got a hybrid network of Windoz and Mac clients that I want to auth to a CentOS Samba server (currently running a tdbsam backend but will eventually be migrated to an OpenLDAP backend)...what is the best solution for "sync'ing" the Mac clients (mostly laptops) to the server, all the solutions that I've seen suggest that I should simply map the users home drive to the PDC but that doesn't mac much since to me seeing as they need to access their computers data while they're off site...is there a way to "sync" user profiles in Linux>?
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Feb 26, 2011
What would be the easiest way to synchronize a local folder of images, recursively through sub-folders, with a remote folder of images over FTP?
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Jul 14, 2010
I have two linux box that i would like to keep in sync. I see option -avz syncs the remote with local but new local files are not pushed.
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Mar 29, 2010
I've got a hybrid network of Windoz and Mac clients that I want to auth to a CentOS Samba server (currently running a tdbsam backend but will eventually be migrated to an OpenLDAP backend)...what is the best solution for "sync'ing" the Mac clients (mostly laptops) to the server, all the solutions that I've seen suggest that I should simply map the users home drive to the PDC but that doesn't mac much since to me seeing as they need to access their computers data while they're off site...is there a way to "sync" user profiles in Linux>?
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May 16, 2010
I'd like a way to see all of the devices on my local network and what their local IP address is. I recall that I used wireshark to troubleshoot a similar problem a while back, but it doesn't seem to have a way to see all of the devices- only the traffic. (I'd like to do this without having to physically interface with my router if possible, and I am in an encrypted network if that matters)
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Jun 28, 2011
I have installed a web server on my local network. Everything is well configured and web pages are shown correctly from Internet (outside the local network) using the domain or the public IP.The issue is if I try to see that web pages (using the domain or the public IP) from inside the local network. In that case the router config page (192.168.1.1) is shown instead of the web pages.From inside the local network I'm only able to see the web pages using the internal IP address (192.168.1.XX).
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May 25, 2010
I've got an Ubuntu server hosting our websites and other various things here in our own home. We recently switched to a router that doesn't support loopback (abomination), so I've set up hosts files on our computers so we can access our own sites when on our home LAN.
However, we often take our laptops as we travel about, and I'm guessing due to the hosts files when we try to access our sites, it'll look on whatever local network we're connected to for our server, which won't work, obviously.
Is there a way to set up something like a hosts file that'll only try to look up the local IP of the server when we're on a specific network (our home one), or have one that tries to look for the local IP first, then proceeds to try and resolve the domain name and use the external IP if the local IP doesn't work?
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Nov 13, 2009
I'm managing a residential network. Each flat is its own subnet, and can only communicate with the other flats through a router (i.e. no broadcast). 95% of these 300 subnets only contains windows computers (from lambda users).
My final goal is to be able to browse the entire network from any computer.
I set up a samba server acting as a wins server, and every computer is aware of it because it is registered in the dhcp. So name resolution is working fine for everyone.
The same samba server is set to be the "Domain master browser":
workgroup = WORKGROUP
wins support = yes
prefered master = yes
local master = yes
domain master = yes
os level = 65
When I browse the network (using "net view" or "browstat view"), I can only see the servers which are in the same subnet as the domain master browser.
Now, when in a subnet the computers arrange themselves to find a "local master browser", the only visible computers are the one in that subnet.
What I don't understand is why all the local masters don't synchronize their lists with the domain master.
So, to sum up, every subnet get the following behaviour:
-if a local master is elected, the only visible computers are the one in the same subnet.
-if no local master is elected, the only visible computers are the one in the subnet of the domain master.
-if I add another samba, configured as a local master winning all elections, then the magic is working and the lists are synchronized.
What is expected:
-every computer can see all the computer from all the subnets.
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May 4, 2011
I'm wondering what the best way to sync certain folders located on my network server with my Ubuntu laptop is. I've tried Unity, but it was a little too geeky for me . Dropbox would be perfect, except people were having issues syncing with network folders, some losing all their files in the process. All I want to do is synchronize a few folders with my local "My Documents" folder on my Ubuntu laptop, so I can write my school papers without an internet connection. Then, when I'm connected again, I should be able to sync with the folder on the network. It should also work vice-versa as well (update a file on the NETWORK, sync, then access the updated file on my Ubuntu laptop).
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Jan 29, 2011
Yhe only ptoblem was that he had forgotten the password to his network. This was really anoying and has happened before sp yesterday i decided to install some kind of WEP cracking tool so that it would not happen anymore.. After using sometime without getting anything to work i found this tutorial: [URL]
and started following it. i only got to the point where he has updated his computer using update manager and is about to patch his wificard. Then i noticed that the network manager for gnome was gone and the virtualbox logo in my top panel was changed to a red circle with a line running through it. I have tried to download network manager from another computer and installing it on my laptop but it needs internet to install. Then i tried to connect to my local network using terminal that did't work either i also tried connecting using a cable but had no luck connecting. The command iwconfig gives me:
[Code]....
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Aug 29, 2010
I just installed open Suse 11.3, and I cannot SSH my school. Upon further investigation I could not even ping any machines outside my local area network. Ironically I could nmap machines outside my local area network.
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Jan 13, 2010
Does anyone know how to permanently enable X connections from all machines on my local network. I keep having to enter 'xhost +' to allow X connections.
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May 31, 2010
I'm working with a Ubuntu 10.04 LTS system with two network interfaces (both Ethernet). I wish to setup this system such that it is simultaneously connected to my local and an OpenVPN network and able direct traffic between the connections depending on what program is sending the traffic. The problem: Under my current OpenVPN configuration all network traffic is directed to the VPN.
My OpenVPN config file (some details omitted)
--remote [gateway ip] # vpn12 load:
--remote [gateway ip] # vpn11 load:
--remote [gateway ip] # vpn15 load:
--remote [gateway ip] # vpn16 load:
[code]....
In practice, I would like OpenVPN to operate out of one of my two network interfaces and leave the other interface connected to the local network. Then by default all network traffic should be directed to my local network unless I specify (on a per program bases) that certain traffic should go though the VPN. These two network connections can (should) stay completely independent of each other and do not need to talk to each other.
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Mar 9, 2010
I have a mac and an openSUSE box connected wirelessly to a router. From my mac, if I ping the Linux machine by both ip address and hostname "elmo.local", I get a response. If I ping my mac from the Linux machine using its ip address, I get a response. However, if I ping the mac from the Linux box using its name "kermit.local" - nothing!
This means in order to share files between them via the network, I have to use the ip address rather than name, but I'd rather not. When I had Ubuntu installed instead of openSUSE this all worked fine out of the box, so I'm assuming it's a problem with the setup of openSUSE rather than the router or the mac.
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Oct 25, 2010
Cron refuses to work when trying to sync with a network drive. I am trying to setup a cron job to backup a folder in my home directory ('/home/scratch') to a folder ('home/internet_backup') that is mounted (using nfs) to a network folder. The folder ('home/internet_backup') is mounted correctly to the network folder upon system startup, so this part works.
I created a simple bash file (rsync-shell.1.sh) that looks like this:
Code:
# backup the contents of 'scratch' (of 'internet' machine) into '/home/aa/internet_backup/'
# the latter folder ('/home/aa/internet_backup/') is mounted to 'developer' machine
rsync -av --exclude=".*" /home/aa/scratch /home/aa/internet_backup/
#
When manually running this bash file from my home directory (./rsync-shell.1.sh) everything works, and the contents are written to the destination folder. Yet, instead of running this manually, I wanted this to be executed by Cron every 30 min. so I first chmod +x this file, and then copied it (using sudo) to /root.
I then created the following using 'sudo crontab -e':
Code:
# m h dom mon dow command
10 * * * * /root/rsync-shell.1.sh
This is the same bash file illustrated above, yet, it doesn't work (files are not being written to the destination folder).
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Apr 4, 2011
What's a good back up utility with a scheduling feature that can back up to a network hard drive? I'm backing up to an NTFS formatted external that is connected to my router and I would like the files to be backed up individually so they can be browsed by other PCs (Windows & Linux) on my network, as opposed to a disc image or archive like some back up programs.
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May 26, 2011
I want to sync several directories between my laptop and desktop both at home and away from home. It seems like the tool to use for this is unison (I use rysnc for backups, but union seemed, better for this sort of thing - let me know if I'm wrong).
I found several posts that appear promising, however I was little confused about the details as I don't have much networking experience up to this point.
[URL]
1) Is a reverse ssh connection the way to go? If I only wanted to do this on my home network I could just use ssh right, however in order to get around the router outside my home network the reverse ssh is necessary?
2) How do I handle changing IP address of my laptop?
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Mar 31, 2009
I have two networks. One of them is wired, the other is wireless. The wired has an internet connection and a few other computers connected to it. The wireless network has a few hosts connected to it too, but it has no internet connection. What I've been trying, fruitlessly, to do, is make all connections that are bound to the internet, or my wired network, be routed that way, and all the connections to the hosts of the wireless network go that way.
Here's the setup..
Wired:
192.168.1.0/24 Gateway = 192.168.1.1
Route internet through here
Wireless
192.168.2.0/24 Gateway = 192.168.2.1
If my computer sends a packet to the internet, it should be routed through 192.168.1.1 If I send a packet to one of the local hosts of the wireless network, it should be routed through 192.168.2.1. Here's the routing table I've set up(This is one of many configurations I've tried)
Code:
$ ip route show
192.168.2.1 dev wlan0 scope link
192.168.2.0/24 via 192.168.2.1 dev wlan0 src 192.168.2.4
[code]....
With this, and everything else, I get destination host unreachable when pinging. The strange thing is that, if I unplug my eth cable, reboot and connect to the wireless network, everything is fine and I can access the router and the others. I'm trying to improve my networking skills, as I've had this of setting up a small linux box as a router for quite some time, for the fun of it, but I need to get routing under control before I go ruin my network.
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Apr 17, 2010
I am interested and looking forward to get a smartphone or a personal data assistant with calendar/ email/ contacts just like the iphone does.My intention is to be able to sync my smartphone's data with my home server that actually carries my PIM applications. Basically, during the day when I am not home I will modify or add/remove data from the phone. When I arrive home I would like to be able to sync my changes to my server. My laptop will be reconfigured to retrieve and sync from that server.
Proudly running with Slackware on ALL my machines (gotta love Slack!), and Apple being **** by not supporting open source and linux environment, it seems that it will be difficult to have something working out of the box and will probably require jail-breaking the device, etc.. I don't want to rely on external services such as Google calendar except for the email from Gmail.
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Sep 10, 2010
I've got Ubuntu One syncing a single 25MB folder on 4 computers. On one of these computers, the ubuntuone-syncdaemon process constantly pegs the CPU, using from 50-80% long after any sync-able files have been modified and successfully synced. The process is only using 8.9MB of RAM.
Specs:
Ubuntu 10.04 (lucid)
Kernel 2.6.32-24-generic
1000.8 MB RAM
Pentium 4 2.53GHz
Free disk space: 280.9 GB
System monitor shows 56.8% total RAM usage, 15.4% swap file usage.
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Jul 9, 2011
Audio sync method. "Stretches/squeezes" the audio stream to match the timestamps, the parameter is the maximum samples per second by which the audio is changed. -async 1 is a special case where only the start of the audio stream is corrected without any later correction.Searching the net makes one believe that this command is just some sort of magic.People just put it in the line and it just works. Isn't that nice?
It says nothing about how to change the TIME the audio starts syncing. Like do I want it to start 5 seconds delayed? Or what about 5 seconds sooner?What if the audio gets more out of sync as the video goes on? Can I slip it a little at a time? What? No magic?No one mentions a file that already has badly synced audio.So what -async 1 really does is simply start the audio at the beginning of the file. LIKE AS IF THAT ISN'T STANDARD PROCEDURE?So what is the exact solution to syncing a messed up video? And why can't it just do the proper "timestamp" sync in the first place?No docs, no info and you are left out in the cold.
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Jun 28, 2010
I have an F11 on an old box 686 athlon with an old nVidia Corporation NV5 [RIVA TNT2/TNT2 Pro] (rev 15) AGP. I am trying to do a network install upgrade to F13. I cannot get it to display the install menus from the network install disk. I get the initial screen with the install, basic video, repair, etc choices, but after I select the install/upgrade option, I see the CD drive read but the LCD monitor display never appears. The ready light on the monitor just keeps blinking and the display stays dark. Is there anyway of getting an error log to see what is going on?
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Feb 19, 2010
Running Ubuntu 9.10. In the Remote Desktop config dialog I get: "Your desktop is only reachable over the local network. Others can access your computer using the address 127.0.0.1 or tabatha.local." I understand this means only the loopback ip address is available. All my other machines show their true local ip address (e.g., 192.168.1.104) in this dialog. Thus I cannot log on to this desktop from other machines.
When I try to do a remote logon from another Ubuntu 9.10 box (or from an XP box using a VNC viewer), I get: "Connection to 192.168.1.102 has been closed." What steps are needed to make this machine show its actual ip address? All file sharing between the various machines is working properly and all windows shares back and forth between XP and 'nix, and among the the vaious XP boxes and linux boxes are available as designed.
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Aug 2, 2010
Does anyone know of a good tutorial for setting up single sign-on/login sync over a pure Linux network without any AD boxes in it? I have read this can be achieved through LDAP+Kerberos+PAM...I have these installed on a server...the users and groups on the server is configured to use them and a client has been pointed toward the LDAP server and has Kerberos enabled and users and Groups set to use the LDAP server as a backend.
I expected to see the users and groups list from the server show up on my client, or at least be able to login on the client as one such user. Am I misunderstanding what I read or am I just probably misconfiguring everything? My ultimate goal is for my clients to authenticate against my server and not have to sign in again when using server resources (Samba shares etc.).
I have read that NFS and NIS are old technologies that are going by the wayside and that Samba, LDAP authentication and such are overall better and more secure...What are everyone's thoughts on this? My network is just a home network so security isnt really a big problem...im just trying to set it up like a corporation with my limited resources would for the practice and education of doing it.
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