I have a proxmox server so under debian, and I want to mount a remote directory from my Nas Synologies to make backups.
I normally use ssh mounts without any problem.
But this time I have an error that I have never encountered, I can create files, but not delete them.
I find this very strange and I don't see where this can come from
root#proxmox:/mnt/# sshfs user#192.168.0.1:home/data /mnt/dist-folder/ -o reconnect,
ServerAliveInterval=60,ServerAliveCountMax=30,allow_other,
default_permissions,uid=0,gid=0,umask=007
root#proxmox:/mnt# cd dist-folder/
root#proxmox:/mnt/dist-folder# touch aa.txt
root#proxmox:/mnt/dist-folder# ls -la
total 12
drwxrwx--- 1 root root 114 Mar 13 09:53 .
drwxr-xr-x 7 root root 4096 Mar 13 09:37 ..
-rwxrwx--- 1 root root 0 Mar 13 09:53 aa.txt
root#proxmox:/mnt/dist-folder# rm aa.txt
rm: cannot remove 'aa.txt': Permission denied
With uid=0,gid=0 for root user and group
Thanks
This is finally a problem specific to synology.
For the assembly of the file it is absolutely necessary to respect the path by starting with
/homes/<user>home/
So it's give
sshfs user#192.168.0.1:/homes/proxmox/home/data /mnt/dist-folder/
And it's works fine !
It's not the first time that I have an abnormal configuration for this synology tool... AGrrrr
Related
Using:
podman version 4.2.0
AlmaLinux 8.7
I've created an image based on redhat/ubi8 with the following Dockerfile:
FROM docker.io/redhat/ubi8
RUN dnf install -y gcc-c++ cmake python39 openssh git
RUN useradd -ms /bin/bash foobar -g users
USER foobar
WORKDIR /home/foobar/
RUN mkdir -p .ssh
$ docker build -t mount_test_image .
I run the image from a directory that contains a directory ssh, and I want to mount that directory to /home/foobar/.ssh with ownership of foobar.users
$ ls -l
-rw-r--r--. 1 host_user users 269 Dec 7 09:10 Dockerfile
drwxrwxr-x. 2 host_user users 18 Dec 2 10:41 ssh
docker run -it -d --rm --mount type=bind,src=ssh,target=/home/foobar/.ssh --name=mount_test mount_test_image
However when I enter the container via
docker exec -it mount_test '/bin/sh'
The home directory looks like this:
drwx------. 1 foobar users 18 Dec 7 17:10 .
drwxr-xr-x. 1 root root 21 Dec 7 17:10 ..
-rw-r--r--. 1 foobar users 18 Jun 20 11:31 .bash_logout
-rw-r--r--. 1 foobar users 141 Jun 20 11:31 .bash_profile
-rw-r--r--. 1 foobar users 376 Jun 20 11:31 .bashrc
drwxrwxr-x. 2 root root 18 Dec 2 18:41 .ssh
I obviously get a "permission denied" when trying to access that directory.
sh-4.4$ ls /home/foobar/.ssh
ls: cannot open directory '/home/foobar/.ssh': Permission denied
I tried changing the ownership of the directory on the host to match the uid of the container user, but then it just looks like this:
drwxrwxr-x. 2 nobody root 18 Dec 2 18:41 .ssh
My host user uid:gid is 501:100 and the container user is 1000:100. Right now I'm just trying to generate an ssh key to upload to bitbucket, but this seems like a simple feature a container should be have. All the tutorials and examples just stop after the --mount command instruction and say "there ya go!". What good is the mount point if you can't read/write it?
EDIT:
I tried on Archlinux using docker instead of podman and it works like one would expect with both -v and --mount. The owner of the mounted directory in the container matches the uid and gid of the host. Is this then a bug in podman or is it just done differently?
You are using a non-root user (foobar) in a rootless container. You must use --userns=keep-id for the container user to see the mounted volumes.
https://github.com/containers/podman/blob/main/docs/tutorials/rootless_tutorial.md#using-volumes
Jenkins installed on Ubuntu 18.04 and running successfully.
As part of our project build process, we need to copy built files to a specific folder under /var/www/html (Apache folder). Our build / Execute shell:
npm install
ng build --prod
cp -R /var/lib/jenkins/workspace/kagi-core/dist/core/* /var/www/html/kagi-core/
But jenkins build fails at the final copy command with the following errors:
23:18:10 + cp -R /var/lib/jenkins/workspace/kagi-core/dist/core/3rdpartylicenses.txt /var/lib/jenkins/workspace/kagi-core/dist/core/assets ...
23:18:10 cp: cannot create regular file '/var/www/html/kagi-core/3rdpartylicenses.txt': Permission denied
...
...
Here's what we did/tried so far:
Added "jenkins" user to root and ubuntu groups.
ubuntu#ip-172-31-15-215:/var/www/html$ groups jenkins
jenkins : jenkins root ubuntu
Changed permissions on /var/www/html/kagi-core folders to "jenkins" user
drwxr-xr-x 3 ubuntu jenkins 4096 Sep 17 21:36 www
..
drwxr-xr-x 3 ubuntu jenkins 4096 Sep 18 21:04 html
..
drwxrwxrwx 4 ubuntu jenkins 4096 Sep 18 21:18 kagi-core
What are we missing? Appreciate any help!
While trying to fix this, found the solution. Adding here for reference:
On observing carefully, the permissions to /var/www folders, they are as
drwxr-xr-x 3 ubuntu jenkins 4096 Sep 17 21:36 www
but instead they should be the other way around (allow "jenkins" user to the default group):
drwxr-xr-x 3 jenkins ubuntu 4096 Sep 17 21:36 www
Also we reset the group to default root
So the command that solved the issue was
cd /var
sudo chown -R jenkins:root www/
After this, jenkins builds were successful (able to copy to the /var/www/html folder).
I need to change permissions of files in my /media/MAVEN/Projects
MAVEN is my windows disk partition.
The permissions on the Projects folder are:
:/media/MAVEN/Projects$ ls -la
\total 340
drwxrwxrwx 1 root root 12288 Oct 6 21:31 .
drwxrwxrwx 1 root root 32768 Oct 9 06:32 ..
all the projects are set to drwxrwxrwx
I need to change them to 755 so I tried:
~$ sudo chmod 755 -R /media/MAVEN/Projects
But I get errors: ...Read-only file system
The result of ls -la /media/MAVEN/Projects remains the same.
Help me resolve this.
Problem solved. I found out that I was using a package that was mounting my disk as read only. Its called pysdm I disabled that feature.
I downloaded the RALINK driver from their web site
untar -xvf rtl*
and then i ran "make" in it. google search suggested "kernel-devel"
needed to be installed.
i installed the kernel-devel package but i still get this error
make: *** /lib/modules/2.6.32-279.el6.x86_64/build: No such file or directory. Stop.
when i check to see if that file exists..
i cd into /lib/modules/2.6.32-279.el6.x86_64/
i believe this error happens right after "make" command tries to execute this command
make ARCH=x86_64 CROSS_COMPILE= -C /lib/modules/2.6.32-279.el6.x86_64/build M=/home/a/Desktop/3/rtl8712_8188_8191_8192SU_usb_linux_v2.6.6.0.20120405 modules
and it's there it is called "build"
so why is it saying no such file or directory ?
**EDIT**
If your problem is like the one I was having (see below), it seems the kernel development package isn't installed.
Try:
yum install kernel-devel
Original Message
I am having the same problem. But, interestingly, when I ls-l on the parent directory to the "missing directory" (so, ls -l /lib/modules/2.6.32-431.el6.x86_64/) it shows that build is a broken link pointing to /usr/src/kernels/2.6.32-431.el6.x86_64, but /usr/src/kernels/ is empty.
So, I don't know if this is much help, but hopefully it gives someone else a better idea of what's wrong.
[root#xx libreswan-3.7]# ls -l /lib/modules/2.6.32-431.el6.x86_64/
total 3524
lrwxrwxrwx. 1 root root 46 Dec 12 13:42 build -> ../../../usr/src/kernels/2.6.32-431.el6.x86_64
drwxr-xr-x. 2 root root 4096 Nov 21 22:41 extra
drwxr-xr-x. 11 root root 4096 Dec 12 13:42 kernel
-rw-r--r--. 1 root root 589679 Dec 12 13:43 modules.alias
...
-rw-r--r--. 1 root root 851070 Dec 12 13:43 modules.usbmap
lrwxrwxrwx. 1 root root 5 Dec 12 13:42 source -> build
drwxr-xr-x. 2 root root 4096 Nov 21 22:41 updates
drwxr-xr-x. 2 root root 4096 Dec 12 13:42 vdso
drwxr-xr-x. 2 root root 4096 Nov 21 22:41 weak-updates
[root#xx libreswan-3.7]# ls /usr/src/kernels/
[root#xx libreswan-3.7]#
Notice that the "source" link is also broken because it points to build.
cd /lib/modules/2.6.32-431.el6.x86_64
sudo rm build
sudo ln -s ../../../usr/src/kernels/2.6.32-431.29.2.el6.x86_64/ build
The above commands fixed the issue for me
But basically you must be able to use any version of 2.6.32* directory in the last command.
Thanks to Nighthawk663.
I have the same problem in ./configure --with-linux=/lib/modules/uname -r/build/. It says "not a file..." too.
Reason:
The kernel head files are missing for the current kernel.
How I solved it:
find current kernel: uname -r
yum install kernel-devel-$(uname -r)
you may not find it...
just google that version of kernel-devel-... download the rpm file, and do
rpm -i kernel-devel-xxxx.rpm
Then it works for me!
/usr/lib/modules/your-kernel-edition/build is a link file.
the link file exists. but the target file might not exists. So It is ok to see the link file, but the folder can not be changed into it (cd).
Similar Example on fedora 29.
lrwxrwxrwx. 1 root root 40 Oct 21 07:38 /usr/lib/modules/4.18.16-300.fc29.x86_64/build -> /usr/src/kernels/4.18.16-300.fc29.x86_64
Just install kernel-devel.
Example.
sudo dnf install kernel-devel-$(uname -r)
Because the link is not with your kernel version.
Delete the wrong link.
$ rm build`
Use $ uname -r to check the kernel version
Build new link with your kernel version.
$ ln -s ../../../usr/src/kernels/($(uname -r)/ build
Done
I have an Amazon S3 bucket (let's call it static.example.com) that I need to mount on an EC2 instance (Ubuntu 12.04.2). I've installed s3fs. I'm able to mount the volume, but I can't write to the bucket. I have tried:
sudo s3fs static.example.com -o use_cache=/tmp,allow_other,uid=33,gid=33 /mnt/static.example.com
I can then cd /mnt and ls -la to see:
drwxr-xr-x 5 root root 4096 Mar 28 18:03 .
drwxr-xr-x 25 root root 4096 Feb 19 19:22 ..
lrwxrwxrwx 1 root root 7 Feb 21 19:19 httpd -> /httpd/
drwx------ 2 root root 16384 Oct 9 2012 lost+found
drwxr-xr-x 1 www-data www-data 0 Jan 1 1970 static.example.com
This all looks good, but when I cd static.example.com and mkdir test, I get:
mkdir: cannot create directory `test': Permission denied
The only way I can actually create a directory or touch a file is to force it with sudo. This is not a viable option, however, because I want to write files to the bucket from Apache. My Apache server runs as user:group www-data. Running mount yields:
s3fs on /mnt/static.example.com type fuse.s3fs (rw,nosuid,nodev,allow_other)
How can I mount this bucket in a manner that will allow me to write to the bucket?
I'm the lead developer and maintainer of Open source project RioFS: a userspace filesystem to mount Amazon S3 buckets.
Our project is an alternative to “s3fs” project, main advantages comparing to “s3fs” are: simplicity, the speed of operations and bugs-free code. Currently the project is in the “beta” state, but it's been running on several high-loaded fileservers for quite some time.
We are seeking for more people to join our project and help with the testing. From our side we offer quick bugs fix and will listen to your requests to add new features.
Regarding your issue:
if'd you use RioFS, you could mount a bucket and have a write access to it using the following command (assuming you have installed RioFS and have exported AWSACCESSKEYID and AWSSECRETACCESSKEY environment variables):
riofs -o allow_other http://s3.amazonaws.com bucket_name /mnt/static.example.com
(please refer to project description for command line arguments)
Please note that the project is still in the development, there are could be still a number of bugs left.
If you find that something doesn't work as expected: please fill a issue report on the project's GitHub page.
Hope it helps and we are looking forward to seeing you joined our community !
This works for me:
sudo s3fs bucketname /mnt/folder -o allow_other,nosuid,use_cache=/mnt/foldercache
If you need to debug, just add ,f2 -f -d:
sudo s3fs bucketname /mnt/folder -o allow_other,nosuid,use_cache=/mnt/foldercache,f2 -f -d
Try this method using S3Backer:
mountpoint/
file # (e.g., can be used as a virtual loopback)
stats # human readable statistics
Read more about it hurr:
http://www.turnkeylinux.org/blog/exploring-s3-based-filesystems-s3fs-and-s3backer