General :: Copying A File As Root Through An Intermediate Computer?
Jul 23, 2010
I am trying to copy four files from my machine, through a second machine, and finally to the destination. The destination computer can only be reached through the second computer, and I am curious to know if there is an easy way to do this. I am able to ssh to the middle machine and then ssh from there to the destination. I know that I could just copy from the first machine to the second, and then from there to the third. I guess that I'm curious to know what kind of command I can run to do this all at once or even if I could do such a thing (which I'm betting I can). I need to copy these files as root on the destination machine too.
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Jul 19, 2010
I'm trying to figure out how to access compressed files without uncompressing them beforehand, and also without modifying the application/script I am using. Named pipes do the trick, but only seem to work once
In one terminal I do this:
Code:
$ echo "This is a file I'd like to be able to read." >> my_file
$ gzip my_file
$ mkfifo my_named_pipe
$ ls
my_file.gz my_named_pipe
$ gunzip -c my_file.gz >> my_named_pipe
[Code]...
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Mar 17, 2010
I was just copying a large (50GB) file from one mounted partition to another mounted partition (a USB drive), but before the operation completed, my root filesystem, on a separate partition, filled up.Because it filled up I also couldn't get past the login when I rebooted. I think this is because there is no room to load temporary files. I'm expanding the root partition to temporarily fix this. how can I avoid my root file system filling up when copying a massive file between mounted partitions? the file is being cached in root during the transfer.
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Jul 19, 2010
Linux kernel 2.6, slackware 12.0
KDE 3.5.7
I have some directories whose owner is root. When I enter the GUI (KDE) I always do it as normal user john. But then, when I want to copy a file to some of root's dirs, I get an "Access denied" notification. To be sincere, these dirs are in a window$ vfat partition and I can neither change the ownership nor the permissions. So what I do is to switch to a root console and painstakingly type the whole path of both source and destination, with the help, of course, of tab completion. To su to root, copy the file and exit to john would be much more comfortable. But I don't know how to do it. If I do K Menu>Run Command and type 'su root' nothing happens.
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May 8, 2011
How is it possible that I get perm denied when I'm copying files in console.
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Dec 13, 2010
I've used Ubuntu for about a year now and I really want to move on to a distribution that involves more hands-on customization and more cutting-edge packages (with a wide availability). I'm mainly looking at Debian Testing, openSUSE, and Fedora, but I'm open to any other suggestions. I know Debian has a huge repository of packages, and I was also wondering if there were any good third-party repositories to get significantly more packages in Fedora or openSUSE.
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Mar 26, 2011
I can't sftp directly into a particular host. To move a file from my home machine to the host, I must sftp a file to an intermediate host; ssh into the intermediate host; and sftp the file to the final destination. Is it possible to avoid such madness?
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Mar 1, 2011
Asuming I have two files, one large file and one small file, I want to write the smaller file to the large file without overwriting the remaining part of the larger file.
Both are binary files, and the large file can become very large, so I want to avoid copying the whole file, as that will take some time. Is there any standard Linux console utility to do this, or do I need to write it myself?
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Nov 4, 2009
copying permissions from one file to another.I know that command for changing permission is "chmod", for example chmod 666 filename However, I have one file filename1 and by listing all contents of a directory with ls -al I can find out its permissions in form -rwwx and similar. Now I want to define exact same permissions to other file "filename2". How to use chmod command to accomplish this. Other way around would be to simply copy permissions from one file to another. Is there any command for this purpose?
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Jul 25, 2010
The current directory contains:A file called "original.txt" Many directories called "source_001", "source_002", "source_003" ... From the command line how do you copy "original.txt" to "source_001" and "source_002" and "source_003" ...
The total number of these source directories is unknown, it changes every week.
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Jun 17, 2011
I am using fedora 10 in two computers. Just for my own practice I sent a file to my second computer.
1st computer IP is 192.168.1.10
2nd computer IP is 192.168.1.20
[Code]....
The file has been successfully copied to the second computer but I again want to copy that file into my local computer by still sitting in my 1st computer.
[Code]....
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Mar 7, 2011
Is it possible to copy a file on multiple remote machines through scp in one command?
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May 6, 2010
I'm getting a video from a camera connected to the computer and saving it to a constantly increasing file.
The thing is that I'm trying to make a non-stop copy of this file over the network (i.e. using scp, rsync or something like that).
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Nov 16, 2010
Solaris is the os used. I want to copy files from UNIX Machine to windows network drive.I know smbclient,ftp can be used. But is there any other best option i can use?
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Jun 17, 2010
I am quite confused about the following description on fork. Could you please explain it ?The child process shall have its own copy of the parent's file descriptors. Each of the child's file descriptors shall refer to the same open file description with the corresponding file descriptor of the parent.For example, I am opening a socket and then fork. Now, does the child have a separate socket or is shares it with the parent. Does I have any impact on using it in child?
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Jan 12, 2011
I've lost some install disks which cannot be replaced and need to copy my entire /home/username/.wine to my laptop.
I already have installed wine on the laptop and it is the same version of Fedora (14) as is on my desktop.
Is it possible to mass copy the entire desktop /home/username/.wine, and copy it onto the laptop?
Do I do the copy as user or as root? I need to get everything, the system files registery and ProgramFiles etc. and then copy it on to the lap top with exactly the same permissions.
So I would, for example, type tar -zvcp allWine.tgz /home/username/.wine/*.*
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Apr 6, 2011
I have config settings on one computer that I like (spent a lot of time writing up easystroke commands, rating songs in Banshee, saving a bunch of wireless network configurations... etc etc.)
So much stuff that I might just like to copy my entire harddrive and all of my folders to an external hard drive and then replace everything on my new computer from there.
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Mar 3, 2010
Started slackpkg upgrade-up and went to bed. Woke up to find the power had gone out during the night. The computer booted up, but displayed a message that said something to the effect of, "Error occurred during root file system check. You will be given the option of doing maintenance......"I can get to a command prompt, but regardless of what I do a message pops saying it can't find libblkid.so.1
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Mar 13, 2011
I'm trying to resume copying from a mounted CIFS device to my local hdd with cURL. I tried
Code:
$ curl -C - -O file://myfile
and also
Code:
$ curl -C <manual offset> -O file://myfile
(looked up the manual offset using "$ wc -c")
This resumes copying if I cancel it eg with ^C.
But it does not work if I unmount and remount the CIFS device. cURL then ignores my given offset and continues again from start as if nothing were there without saying a word. With "-C -" the same effect.
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Jul 18, 2010
I have a saved a .c file on my department computer and i am able to access it through my computer via SSH. BUT I WANT TO copy and paste it into my system.
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Feb 12, 2011
I'm using Ubuntu Maverick
On my university, the technology center uses the Ubuntu 10.04 LTS. I've been told by my teacher to get GCC for the C language. Searching for GCC on my netbook, I can find two programs: Sysinfo (why?) GGcov (doesn't open) Searching for GCC on the TC Computer, I can find 115 programs... The administrator wasn't there at the moment I checked this, and he'll not be there on this weekend so... I would like to do this by myself tomorrow. With my vast one-week experience with ubuntu, I think such software abundance from the TC computer side is related to repositories. I would like to copy them all to my netbook, if it's possible.
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Dec 21, 2010
My linux distro is CentOS 5.3. Today I edited /etc/sysconfig/readonly-root and set "READONLY" to yes, now my /etc/sysconfig/readonly-root file is like this:
# Set to 'yes' to mount the system filesystems read-only.
READONLY=yes
# Set to 'yes' to mount various temporary state as either tmpfs
[code]...
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Jun 26, 2010
Create a copy of the file above and call it commands.sorted. Use the vi command to manually sort this file. I.e. use yy to copy a line, P or p to paste a line, and dd delete a line. Order the commands with the two lines starting with double quotes first. Then list the rest of the command in alphabetical order.
Anyone have any ideas what he's talking about? Can I copy a file and rename it at the same time while copying it to the same exact directory again? Now sure what the two lines things means either. I have an email out to him but it usually takes a long time for him to answer me. I got alot of work to do so everytime I get hung up it kills me.
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Jan 14, 2011
1. Switch off your computer
2. You must press the F8 button the entire time
3. It becomes a link: correction
4. Then reset the computer to link
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Aug 4, 2010
I got a problem with the motherboard of my computer and now I need to get some files out from the hard drive (an ext3 partition). I can access the files from another computer but because of the permissions of my user it doesn't let me copy the files over to another drive.
my computer was running Kubuntu 8.10 with a Vista dualboot. I also tried attaching the hard drive to another laptop, but because of the video drivers the display doesn't function properly.
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Mar 4, 2010
My root filesystems flooded so I'm trying to move it to another (bigger) partition but I'm not sure of the best method. I just tried to use "dd if=/dev/sda1 of=/dev/sda6" to copy it but all that did was give me a brand new partition with no freespace available presumably because the filesystem is smaller than the partition. Is it possible to make the filesystem bigger?
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Jan 27, 2010
Have been running 11.1 on a generic notebook (eRacks) just fine until a few days ago when CUPS couldn't be reached. Rather than futz more with 11.1, I decided to install 11.2 (which has been on my desktop). Using the same CD, which continues to check ok, the install has failed many times at about the same point: 87% through "copying root filesystem" in yast2.
Specs: Intel P4 2.4 GHz, 1.5 GB RAM, ATI radeon PV250Lf
The HD was partitioned into /, swap, /home, and an extended partition of /opt, /var, /usr. Only / was ext4 and the rest were ext3. Tried various options:
* no apic
* no acpi
* "noapic acpi=off" entered manually
* Vesa instead of 1024x768
Each time had to edit partition table to mount the extended partitions. Always formatted /. At first didn't format the extended patitions, later formated all but /home. Then set yast2 to format / as ext3, to match the other partitions. In the sysinfo page the / partition is now shown as /mnt containing 723.6 MB out of 7 GB, still formatted as ext4. On rescan by yast2 partition manager, / shows as ext3. The install halts every time with an error while "copying root filesystem." Tried booting from the CD direct to install and to the Live OS followed by install--same result. So, hours later, went back to 11.1--which installed in minutes.
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Jun 14, 2010
I am having problems with scp during a backup operationI added a ps -ef before and after the scp operation used during the backup.The backup is a script to backup a Zimbra ServerI am including the code segment that I am having problems
Code:
# DRCP Section. To scp newly created archives to a remote system
if [ "$DRCP" = "yes" ]
[code]...
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Jun 3, 2010
When I try to copy PDF files from one folder to another folder, it give me this error: "Error while copying "2004-SNUG-Europe-paper_...log_DPI_with_SystemC.pdf". There was an error copying the file into /media/CCDCE66BDCE64F70/Backup Master/Heterogeneous_cosimulation/Documentation" "Error splicing file: Input/output error" What is the reason of this error and how can this be fixed?
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Jun 29, 2010
I have a 7.2 GB file (VMWare virtual machine file) that I am trying to copy from its original location to the another folder OR to external hard drive...each time I try to do this, I always get the following error after the copying process reach 'exactly' 1.4 GB
Error reading from file input/output error
And I have to either Cancel or Skip
I've tried to split the files to smaller pieces but the idea didn't work as I still get the same error whenever I try to compress/ split or do any operation with this file. how I can copy this file?
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