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I am trying copy a directory from my amazon Linux machine to my virtual-box. I write the following command from my amazon Linux machine:
scp /home/user/test xyz#xyz-VirtuaBox:/home/user
but I get the error message:
Could not resolve hostname xyz-virtualbox: Name or service not found.
I am not sure what's going on. My virtual machine hostname is right.
No! Your virtual machine hostname is not resolvable from amazon linux machine. You should do this the other way round. From virtual machine:
scp xyz#amazon:/home/user/test /home/user
Or the other way is to set up remote port forwarding, so you will be able to connect from your Amazon machine to your virtual box, but it depends if you use Putty or normal ssh. But the general command can look like this:
[local] $ ssh -R 2222:xyz-VirtuaBox:22 amazon
[amazon]$ scp -P 2222 /home/user/test xyz#localhost:/home/user
To make the copy, you need to have an open door to your virtual machine, then use the syntax
scp -pr -P <port> <directory> user#ip:<path_directory_destination>
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I've got a problem on Debian 10.11 (but I think it's not only Debian related) with onboot mounting Windows share.
cifs-utils 2:6.8-2 amd64 Common Internet File System utilities
cat /etc/fstab | grep share2
gives
//10.100.0.204/share2 /home/share2 cifs auto,vers=default,rw,file_mode=0775,dir_mode=0775,noperm,gid=100,username=user1,password=passwordhard 0 0
When I type:
command mount /home/share2 Works as expected.
dmesg gives me an errors:
[ 5.045482] CIFS VFS: Error connecting to socket. Aborting operation.
[ 5.046471] CIFS VFS: cifs_mount failed w/return code = -101
I think that linux tries too early to mount samba shares.
What can I do about it?
I know that I can use crontab and:
#reboot root sleep 15; mount /home/share2
as workaround but I like resolving problems at source.
If the problem is indeed samba service is loading too fast.
It is possible to edit samba service file.
Add Requires=<a service-name that need to be loaded prior to samba>
This trick is the official pattern to control/manage/order systemd service loading.
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I am on termux with root permission.
My phone has aarch64 cpu architecture.
I'm trying to chroot a ubuntu filesystem with amd64 architecture
i've seen and this https://unix.stackexchange.com/a/222981
here's my command
sudo chroot ubuntu /bin/qemu-x86_64-static /bin/bash --login
i logged in successfully but when i run command
ls or any
it's give an error like Exec format error
then i tried that command with qemu-x86_64-static like qemu-x86_64-static /bin/ls it's execute successfully
any idea for this???
i think i can add alias for all command for starts with qemu-x86_64-static but that's not good idea...
You need to tell the kernel that when it sees an arm64 binary it should run it by launching QEMU. The mechanism for this is called "binfmt-misc", and to configure it you need to write data in the correct format to special files in the host system's /proc/sys/fs/binfmt_misc/ directory. Most Linux distros will do this for you automatically when you install their QEMU packages, but obviously Android won't do this for you.
First check that your phone's kernel has binfmt-misc support compiled in at all: there should be a file /proc/sys/fs/binfmt_misc/status and if you cat its contents it should read enabled. If not, try modprobe binfmt_misc. If after that the status file is still not there then you won't be able to get this working unless you can somehow build a new kernel for your phone.
If the support is present in your phone's kernel, you can try the qemu-binfmt-conf.sh script that upstream QEMU ships as a mechanism for registering QEMU with the binfmt-misc machinery:
https://github.com/qemu/qemu/blob/master/scripts/qemu-binfmt-conf.sh
(This is just a script which writes the correct lines of data to /proc/sys/fs/binfmt_misc/register.)
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I'm currently using scp to copy files between Linux systems.
scp username#hostname:/tmp/test.file .
Which copies my file from the remote server to the local machine.
What I would like to do is use the same scp command from my local Linux machine but copy a file from a Windows destination instead. How can this be accomplished?
You can use commands available with winscp to do this on the command line.
winscp command line
This syntax is pretty close to the Linux scp command - but with Window-ish flags.
You can find the winscp.exe executable at this path:
C:\Program Files (x86)\WinSCP\winscp.exe
EDIT 01:
And if you want to use scp on the Linux machine to copy from the Windows machine, you will need to run a ssh server on the Windows box.
FreeSSHd
OpenSSH
EDIT 02:
If you cannot install a ssh server on the Windows machine, you can mount an exported directory from Windows onto Linux using the samba fs mount.
samba fs mount
Finally found a solution
Downloaded pscp and used commandline option and then scheduled a job
c:\pscp.exe -q -batch -l mramkumar -pw xxxxx "c:\alm_testlink.png" mgr.sjc:/home/mramkumar
Created a as bat file and scheduled as a job,
This will keep pushing all the files in the folder to my linux server without prompting any password
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I have installed LXC(Linux Containers) on Ubuntu Server 14.4 Host and i have some virtual servers running on it,but now i want to migrate all these containers to LXD, i have worked so hard configuring these containers and i don't want to lose all of these configurations.
This is my sketch:
HOST
Ubuntu Server LXC
Container Container Container
Ubuntu 12 Ubuntu 12 CentOS
Is there any way to do it?
Thanks
As I said in migrating lxc to lxd, you can do so by creating a dummy LXD container and replacing its rootfs, then updating some of the config to match your LXC container's configuration.
Specifically, if your source container was privileged, you'll want to set security.privileged=true at least until such time as you have confirmed your workload works properly unprivileged (just set security.privileged=false and restart the container with "lxc restart").
If you talk about: http://www.ubuntu.com/cloud/tools/lxd I think it's very early to start with it.
I have started to follow this project with first initial commit 3 month before. There wasn't release yet.
PS:
Getting started with LXD
Our OpenStack container capability, codenamed nova-compute-flex is included in Ubuntu OpenStack for Juno, which you can download via the Ubuntu Cloud Archive. Simply type the following commands to enable and use it:
sudo add-apt-repository cloud-archive:juno
sudo apt-get update
sudo apt-get install nova-compute-flex
OpenStack Juno is available for Ubuntu Server 14.04 LTS and 14.10.
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Closed 8 years ago.
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As far as I know, Linux container is different from virtual machine. It's lightweight virtualization technology. So I'm wondering if it can be run on a virtual machine which provisioned by hypervisor like xen, kvm or vmware?
I was trying setup a Linux container(docker + LXC userspace tool) on a virtual machine based on zex. It failed.
[root#docker lib]# service docker start
Starting cgconfig service: Error: cannot mount cpuset to /cgroup/cpuset: Device or resource busy
/sbin/cgconfigparser; error loading /etc/cgconfig.conf: Cgroup mounting failed
Failed to parse /etc/cgconfig.conf [FAILED]
Starting docker: [ OK ]
and if trying to run a container:
root#docker lib]# docker run -i -t ubuntu /bin/echo hello world
lxc-start: error while loading shared libraries: liblxc.so.1: cannot open shared object file: No such file or directory
2014/03/27 14:03:27 Error: start: Cannot start container da0d674d3e31a7c36a9e352f64fd84986cbb872e526cb2dd6adb7473d4f5a430: exit status 127
Actually, I followed a blog to do, the author made it, while I screw it.
Any one can explain that? Or simply tell me it can not be ran on a virtual machine. Really appreciate.
Yes, it can. If your VM's operating system supports the appropriate filesystems, and have containers. I suggest you go though as suggested on https://www.docker.io/gettingstarted/ and use a recent Ubuntu release, since that is known to work.