Networking :: Data Sharing Across Multiple Geographical Locations?
Mar 9, 2010
I am looking for a solution where the data to be shared across multiple locations through login. In this regard, the following options are required.
1) The files/folders created can be viewed by the group and the owner has an option to edit and delete. However, if required the owner/admin can grant permission temporarily.
2) log of files/folders being accessed
3) The access of files/folders is based on username and password.
One thing striking me is FTP Server to enable the above solution. If so, i just want a step by step guide. Otherwise, let me know any other better options.
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Jan 13, 2011
My company has 2 locations. I have a server running BIND, Apache, and MySQL. I'm setting up a second server just in case the primary goes down. I'm sure it's bad form to it the way I'm doing it, but how might I go about configuing my backup? Should I do it as a Secondary DNS server?
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Feb 10, 2010
I have two storage drives that I will be sharing by FTP. One is internal 1TB ext4 HDD and another one is an external USB 1TB NTFS HDD. Both drives get mounted to /media and I am trying to set an additional mount point for each. For internal HDD everything works perfectly. I simply went to /etc/fstab and copied the line related to it. Now I have:
Code:
/dev/sdb5 /home/eugene/.MOUNT/sdb5 ext4 defaults 0 0
/dev/sdb5 /media/sdb5 ext4 defaults 0 0
which does exactly what I need.
I tried doing the same for the USB drive which produces unexpected results. The lines are
Code:
/dev/sdc1 /home/eugene/.MOUNT/sdc1 ntfs defaults 0 0
/dev/sdc1 /media/sdc1 ntfs defaults 0 0
This has the following results:
- in /media/Y (Y is label of this HDD) I have this HDD and can access all its contents which is good
- in /home/eugene/.MOUNT/sdc1 I don't have anything and this is bad
- in /media/sdc1 I have only one folder from this HDD and this folder is empty (on the HDD this folder is not empty) and this is somehow weird.
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Mar 27, 2010
So I've got a home server hosting a website for my restaurant, but I'd like to get another server up to get some redundancy going.
I have another machine I'd like to set up at another location to take over retrieving requests sent for the website whenever my home server goes down. I've got my domain through [URL], but the domain is hosted through [URL] for their dynamic dns service (because im not using a static ip).
So I'm guessing having another server set up is just a matter of setting up dns records, however I don't know where to begin with setting that up. Any words of wisdom out there?
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Mar 15, 2010
I have hundreds of directories in various subdirs that I need to remove. I want to remove all of these dirs, but can only find solutions on how to do remove files (or how to remove subdirs from within the current dir).
I think I need something like
find -iname 'testfile*' | xargs rm -i
where I want to remove every directory that contains the word 'testfile' within the directory name. I know xargs wont work for dirs,
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Sep 3, 2010
Is there a way to sync Tomboy notes to multiple locations? I would like to be able to sync them to my UbuntuOne account and at the same time to my local NFS server, but from the looks of it Tomboy only lets you choose one location for syncing. Maybe there's a workaround for this or something?
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Feb 21, 2011
Suppose I have a tree structure like this:
/home/mahmood/sim/a/b/file1.cpp
/home/mahmood/sim/a/b/file2.h
/home/mahmood/sim/a/c/file3.txt
/home/mahmood/sim/d/file4.txt
How can I copy all of them to /home/mahmood/sim. So that when I run "ls" in /home/mahmood/sim, I see all files:
file1.cpp
file2.h
file3.txt
file4.txt
Can 'cp' search for all file and copy them in another folder?
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Oct 18, 2010
I'm trying to get a complete overview of booting so I can multiboot. An explanation of the hardware that stores data and the hardware that runs it with the paths the data takes would be awesome!
Here are some quotes that are not comprehensive.
Quote from [url] "When the processor first starts up, it is suffering from amnesia; there is nothing at all in the memory to execute. Of course processor makers know this will happen, so they pre-program the processor to always look at the same place in the system BIOS ROM for the start of the BIOS boot program. This is normally location FFFF0h, right at the end of the system memory. They put it there so that the size of the ROM can be changed without creating compatibility problems. Since there are only 16 bytes left from there to the end of conventional memory, this location just contains a "jump" instruction telling the processor where to go to find the real BIOS startup program."
System Memory is your RAM is it not? Why are they being specific in stating the address location in the Firmware that BIOS uses? An external EEPROM on the board is totally different from RAM is it not? Does the BIOS data travel to a specific RAM Location?
Is there a small processor connected to BIOS or is everything run with the Main CPU?
What exactly is the "chipset" that is referred to with booting?
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Aug 27, 2009
Faced with disk-bound issues on a FTP server with high traffic. Would like to set up multiple FTP server nodes with dedicated storage for each node where all FTP access is managed by a master FTP server. So, a user would FTP to a single externally visible IP address for the master FTP server and then get routed to the appropriate FTP node. Are the mutiple FTP nodes required or is there a better way of doing this? Perhaps only one FTP server is required and then each node would serve as a separate file server
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Jul 7, 2011
Im using WPA with a TKIP pre-shared key...Can a client pc im sharing my key with access my files if im not file sharing? Router config?
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Mar 24, 2010
I have four Red Hat 5 servers located in two different geographical sites. they are working active/active on each site.
Is there any software that I can use in order to have the four servers running Active/Active Active/Active in the same time, and if one site has been destroyed the other two servers in the other site handle the traffic?
Basically the traffic is a Web traffic.
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Apr 25, 2010
I'm trying to run my own little host for fun (yes I know the implications and crappy bandwidth is a problem but that's a problem I will deal with later).The problem is that I want BOTH the apache-user "www-data" and the ftp-user "ftpuser".I want both to be able to read/write on the folders I make for each user.
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Nov 22, 2010
The notification area in the panel comes up each time I boot with Irl as the geographical location. If I click this it changes to GBr (which is correct). Is there any way of stopping the Irl display, or at least make GBr the default at boot time?
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Apr 18, 2011
I have 2 linux servers in different locations. I need to setup a ip tunnel. I follow this steps on both servers:
Server1: ip tunnel add tun0 mode ipip local IP_Server1 remote IP_Server2 dev ethX ip l s tun0 up ip a a 10.10.10.1 peer 10.10.10.2 dev tun0
Server2: ip tunnel add tun0 mode ipip local IP_Server2 remote IP_Server1 dev ethX ip l s tun0 up ip a a 10.10.10.2 peer 10.10.10.1 dev tun0
After creating the tunnel everything is ok, but after a time(maybe some hours), I can't ping the other end of the tunnel (ping to IP_Server1 and IP_Server2 is ok all the time; the connection to internet is very reliable). I have tried "ipip" and "gre" mode, but same result. If I ping from two servers the other end of the tunnel, the connection is again established for some hours and ping is working in both directions.(if I ping only from one side the ping is not working) How can I resolve this issue for no longer having to log on both servers to ping the other end of the tunnel? If I use an crondjob to ping the other end of the tunnel at 2 hours everything is working fine for weeks, but I need other solution.
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Jun 2, 2010
Is there an actual How-To or something like it about sharing data between linux system(s) and MS Windows XP?I do not think there is a golden path but maybe a list of possibilities and their pros and contras would be fine. As I understood there are different ways of sharing data (and so of setting the partitions)
1. Accessing the data of a MS Windows (NTFS) partition from a linux system (contra: possible data loss/data corruption?).
2. Accessing the data of a linux (ext3) partition form a Microsoft system (XP) (contra: possible data loss/data corruption?).
3. Sharing a data partition (FAT ?) (contra: problems with large files).
4. Visualization (contra1: If the main system gets broken, the guest is broken, too?; contra2: not so easy?; contra3: windows male ware in linux?).
I am thinking about reorganizing my hole system of sharing data and of partitions (including my NTFS partition for XP data and FAT partition for data shared with XP and linux).Now I am using mostly a FAT partition for sharing data but this seems to me not the way (for big files and especially because of data security).
I thought of making my /home partition bigger and use a windows program to get excess to ext3/ext4 from MS XP. I also thought of deleting my hole NTFS data partition and use only /home with document-folders etc. for each user / for the linux users and for the Mircosoft users. But this seems not so wise jet from I have read (at least not with an ext4 data partition):
[all variants] ext4 support on Windows XP - Ubuntu Forums
Ext2read - View ext2/3/4 partitions from Windows
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Aug 30, 2010
I have a folder, called Vault, that we want to share only with certain people. Because it will contain confidential information.
I want the unix group trustees to have read-only access I want the unix group administrators (and root) to have read/write access
All other users should have no access.
the implementation I have so far is:
folder owner: root:administrators
folder permissions: 770
section from smb.conf
[Code]....
However, this is not working as expected. It currently works as follows:
Normal user: No access (expected) Trustees member: No access (fail. Trustees should be able to read) Administrators member: Read/write access (expected)
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Mar 7, 2010
We have a collection of music for the entire family. Can each user's Music folder point (for lack of a better word) to the same physical directory? Can I do this with mounts, or is there a better way?
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May 17, 2010
I use gnome password manager. It stores encrypted passwords in the ~/.gpass directory.I have 2 users, johnny, and audio. My default gpass setup is at /home/johnny/.gpass I've created a group called gpassusers and added johnny and audio. I chgrp'd /home/johnny/.gpass to gpassusers. I chmod'd /home/johnny/.gpass 770 (to give group access) I then created a symlink as follows
Code:
ln -s /home/johnny/.gpass /home/audio/.gpass
when I try to cd into /home/audio/.gpass I get
Code:
audio@picard:~$ cd .gpass
bash: cd: .gpass: Permission denied
for sanity's sake, here's the ls of johnny's home directory
Code:
drwxrwx--- 2 johnny gpassusers 4096 2010-05-17 19:34 .gpass
and here's the ls of audio's home directory
Code:
lrwxrwxrwx 1 audio audio 19 2010-05-17 19:34 .gpass -> /home/johnny/.gpass
and just to verify groups are set up properly
Code:
audio@picard:~$ groups audio
audio : audio adm dialout fax cdrom floppy tape dip video plugdev fuse admin gpassusers
audio@picard:~$ groups johnny
[code]....
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May 26, 2010
I have an external USB hard drive at /dev/sdb1 (NTFS)
2 users: johnny, audio
for some reason this drive is mounted at /media/TREKSTOR_ with johnny as the owner. I can't seem to chown the drive to audio. If I unmount the device, and remount it, the owner is set to johnny again. I need to access this drive from the audio account.It's a 1TB drive, so I wouldn't be able to reformat it to EXT3 easily as it's almost 60% full.
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Nov 17, 2010
Dell Mini 9, 2GB RAM, 32 GB SSD, Ubuntu 10.04 UNR . At Panera, and other places that have free Internet access but require signing in on a page they load, I cannot get on to the Internet. Their sign-in page comes up on my iPod Touch but does not come up on my DM9. This happens no matter which browser I have running on my DM9 (I have Firefox and Chromium). And since I can't sign in, I don't get onto the Internet. Initially I am connected to their router and the signal is strong but because I don't sign in (I'm assuming here), I am disconnected. What do I need to do to see their sign-in page so I can get connected. At locations that have no sign-in pages I have no problems whether or not a password is required.
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Mar 17, 2011
I have a folder which includes bunch of folders each having data files in them. [ Folder A has F1, F2 F3 ..... F1000 folders in it, and F1, F2, F3 ... each has about 10 different files named FILE 1, FILE2, FILE3 .... in them.
I am interested in File 1 of each Folder, because that contains the data I need in it. More specifically, that File1 s have a line "ANSWER=..." in them, and i need to get that value of the ANSWER from each file. So doing it by hand is so hard, so I need to write a script that will scan all folders and give me a list of values of eache ANSWERs.
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Mar 29, 2011
I remember there was a command that would allow me to pipe data to an app and the use the | operator to pipe it into yet another app.
foo fooArg | Iforget app1 | app2
I forget what this command is but it pipes the data from foo into app1 and app2.
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Apr 17, 2011
i want to create multiple cd's containing the data of one tar.gz file of course i can use data dump (the dd command) to cut the tar.gz into 700 MB pieces. yet then i must calculate the exact location where to cut, and use the skip, seek and count parameters to proceed. Does anybody here know, software that automatically creates 700 MB parts of a single file?
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Apr 4, 2011
I have a network of 20 machines, all running Ubuntu 10.04.
Each machine has about 200[GB] of data that I'd like to share with all other 19 machines for READ ONLY PURPOSES. The reading should be done at the FASTEST POSSIBLE WAY.
A friend told me to look into setting up HTTP / FTP. Is it indeed the optimal way to share data between the machines (better than NFS)? if so, how do I go about it?
UPDATE: Just to clarify, all I want is to be able (from within machine X) to access one of machine Ys files and LOAD IT INTO MEMORY. all of the files are of uniform size (500 [KB]). Which method is fastest (SAMBA / NFS / HTTP / FTP)?
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Mar 5, 2010
I have an application where I am sending data via serial port from PC1 (Java App) and reading that data in PC2 (C++ App). The problem that I am facing is that my PC2 (C++ App) is not able to read complete data sent by PC1 i.e. from my PC1 I am sending 190 bytes but PC2 is able to read close to 140 bytes though I am trying to read in a loop.Below is code snippet of my C++ AppOpen the connection to serial port
Code:
serialfd = open( serialPortName.c_str(), O_RDWR | O_NOCTTY | O_NDELAY);
if (serialfd == -1)
[code]...
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Apr 8, 2010
I've got an external hard drive with one large data partition on it. I also have four computers to connect it to (individually, not at the same time). Three machines are running Slackware and one is running Ubuntu 9.10. I need to be able to just plug the drive into whichever machine, mount it (preferably to the same location each time) and not have to worry about user permissions and such. Do I just chmod 777 all the files and folders or is there a better method for different 'users' to access the same partition? And how about mounting to the same location each time?
Now the second part of my question I'm pretty sure I'm not able to do but just in case..... is there any way to encrypt the information safely and make it compatible with a Windows XP machine?
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Sep 1, 2009
Are there any tools out there that let me select a bunch of data and burn it to multiple cd's or DVD's? I'm using k3b but have to manually select cd and dvd size amounts.
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Sep 1, 2010
I have a file which contains the data i retrieved through prstat and an array that contains all the unique process ID's of that particular file. i want to compare each and every line in the file with each and every element of the array so that i can create multiple files for the multiple value in the array.
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Apr 20, 2011
Viewing any source on the Web results in partial loading of data followed by broken up multiple lines. It is occurring now with this post. Paging down I get three lines of "submit new thread" until at the bottom are multiple lines (no characters) after "forum rules". I put it to my network provider who cannot come up with any idea of what may cause it. It cannot be the hardware as the same condition exists on two PC's. Both are on 11.2.
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May 20, 2010
I have an old pentium 3 computer that has ~7 NICs installed. These NICs are attached to modems and other networking equipment. According to the linux ping page on computerhope.com, it seems that one could send a ping from a certain specified NIC. How would one go about this?
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