1
vote
1answer
32 views

System runs out of space, space returns after restart

I have no many details except this - After a while my system is using more than 80% of the file system but after the restart it returns to usage of 9%. I have no idea why it happens and therefore I ...
0
votes
0answers
30 views

Do write permissions for my running daemons change if I log out?

I have the following issue. I'm running a daemon (darkcoind) which writes everything it needs to a directory under my $HOME path in ~/.darkcoin. As long as I'm logged in, everything works fine and I ...
0
votes
1answer
23 views

Virtual filesystem acting as a clone+difference of a master filesystem

At my company about 10 devs share an ubuntu dev server. We have separate code directories, but due to our database size (about 50 GB), it isn't practical to clone the mysql database for each ...
0
votes
0answers
3 views

Distributed share storage across WAN

I'd like to build something which looks like "BranchCache" in Windows Server with Ubuntu. That is : - publish/share a folder on an Ubuntu Server in site A - have a user located in site B access the ...
1
vote
1answer
102 views

Ubuntu server with btrfs root and confusion with the @ symbol in subvolume path

Please note the following commands: user@ubuntu:~$ sudo btrfs subvolume create /srv/audio Create subvolume '/srv/audio' user@ubuntu:~$ sudo btrfs fi show Label: 'BTRFS_STORAGE' uuid: ...
4
votes
2answers
8k views

Which is better for a home media server: zfs or btrfs or LVM/md? [closed]

I'm looking at building a new home server and would like a flexible filesystem. Both btrfs and zfs are interesting. I want to be able to do soft raid and have flexible solution allowing me to expand ...
0
votes
0answers
109 views

Can I use Ubuntu as a network drive for Windows 8.1 File History?

I want to install Ubuntu on an old HP Mini, place it next to and connect it to my TV and use it as a file and media server. I also want to use it for backup, using the new File History feature in ...
3
votes
1answer
3k views

best ubuntu samba guide [closed]

after trying the official Ubuntu samba guide and failing, then a youtube video guide and failing to make samba work, I am asking all of you which one is best as there are so many to choose from. I ...
0
votes
2answers
205 views

Which file system supports RAID and is mature enough for a media server?

I am planning on setting up a home media machine with Ubuntu 12.04 LTS or 13.04 (please let me know if this makes a difference). I have 4 hard drives and I am looking for a file system that supports ...
1
vote
0answers
191 views

Permission denied creating file on Ubuntu Server (Amazon EC2 instance)

sudo has been working fine for installing applications and running scripts, but when I try and create a file I am getting a "Permission Denied". I have tried: sudo cat > file.conf and sudo echo ...
2
votes
1answer
5k views

Fail to mount on boot

I have just created a Ubuntu server and all is working well however at boot I receive the following error message which is causing problems. I am running Ubuntu Server 12.04 Here is the error any ...
0
votes
1answer
32 views

Restore files lost from adduser

I have a web server set up using the www directory with a whole bunch of files that have not received their monthly backup. I've done a ton of work so I'd like to not restart. I then set up an e-mail ...
0
votes
1answer
508 views

System went into read only mode

I am newbie in Ubuntu. We have a cloud server in Rackspace with following configuration: OS - Linux version 2.6.35.4-rscloud (root@builder.slicehost.com) (gcc version 4.4.3 (Ubuntu 4.4.3-4ubuntu5) ) ...
3
votes
2answers
154 views

Best way to put sensitive files on web server and keep them fro being accessible?

I need to put a private key on my web server for use with a php script, so I need the web server to be able to access the file in php script, but not allow users from the outside to be able to access ...
2
votes
0answers
205 views

What is an appropriate way to install Lustre on a ubuntu 12.10 cluster

I have a 24-nodes cluster installed with Ubuntu 12.10. What is the suggested way to install a relatively new Lustre version on such a cluster?
1
vote
2answers
4k views

Cannot change permission for /var/www/ [duplicate]

Possible Duplicate: problems with sudo permissions - /var/lib/sudo owned by uid I recently installed Ubuntu Server and put the GUI on so I can get the hang of Linux. However, I can't seem ...
2
votes
1answer
501 views

Ubuntu Server 12.04 start fails after update

I did an system update on Ubuntu Server 12.04, which requested a reboot. Since that, the system never reaches the login. It hangs on: mount: mounting /dev on /root/dev failed: No such file or ...
2
votes
2answers
412 views

Console-only alternative for fslint?

Are there any console-only alternatives to the fslint package in Ubuntu? I don't want to install x11-common, fonts and many of the other dependencies required by it on a server system. Note: this is ...
3
votes
1answer
916 views

High availability file server with Ubuntu Cloud

Is it possible to achieve a high availability file server with Ubuntu Cloud? I have four machines with 8TB of space each in 4 2TB HDD Is it possible to manage storage space dynamically in Ubuntu ...
2
votes
2answers
625 views

Home server filesystem

I'm planing to build a home server to act mainly as a uTorrent download and file server for me and the people I live with. I have come up with the following filesystem configuration and I would like ...
0
votes
1answer
422 views

My Ubuntu Server filesystem just crashed. Need some help! How to recover files or filesystem?

None of my sites worked, saying that the /tmp/ folder was not writeable. I ssh-ed into the server, and indeed, everyting was read only. I restarted with the fsck flag, and now I get a grub error. ...
5
votes
2answers
2k views

SSHFS files from one server to another

I am trying to find the most secure way to transfer files from one server to another. I have the following architecture: Currently I am using the main user salamis in order to mount the ...
1
vote
0answers
223 views

Restore Ubuntu after power outage [closed]

the problem is after short power outage I'm getting message like "gave up waiting for root device. Alert! /dev/disk/by-uuid/{long_guid_} does not exists. Dropping to a shell". How do I fix it? ubuntu ...
2
votes
1answer
88 views

Which folders are often written to, and how can I mount those folders on a separate drive?

I have a headless ubuntu server acting as a fileserver (samba and ssh) and sometimes virtualbox host. It is currently running from a USB drive, since all hard drive slots on the motherboard are ...
5
votes
5answers
7k views

How to enter to the directory with 'cd' command if it has 700 permission

I tried to use sudo cd name_of_dir but getting following error message: sudo: cd: command not found. Is there any other way to open a directory which has 700 permission?
1
vote
4answers
7k views

How do I search for a file or directory in Ubuntu Server?

It's often that I need to locate the path to files and directories in Ubuntu Server. Are there any good way to search for files or directories in the filesystem by name?
3
votes
2answers
679 views

Did I lose my RAID again?

A little history: 2 years ago I was really excited to find out that mdadm is so powerful that it even can reshape arrays, so you can start with a smaller array and then grow it as you need. I've ...
2
votes
1answer
1k views

How to apply disk quota in ubuntu server on a VPS?

I have a VPS with ubuntu server 10.04 installed on it.Now I want to have some shell users with limited home folder size. It seems quota is the best way to do this, but all tutorials require editing ...
6
votes
1answer
2k views

What is a safe ulimit ceiling?

This is the output of ulimit -a core file size (blocks, -c) 0 data seg size (kbytes, -d) unlimited scheduling priority (-e) 0 file size (blocks, -f) ...
4
votes
2answers
798 views

How can I get a redundant filesystem which grows easily?

I want to use Ubuntu Server on a computer which I want to use for my backups. I would like to be able to add extra disk space if that would be required in the future. Basically, I like what the Drobo ...
7
votes
2answers
944 views

Is the copy speed from ext4 to NTFS the same as from NTFS to NTFS?

I've created a file sharing server with Ubuntu server and samba, the drive for sharing is on ext4, but all the users are on windows 7/XP Would the copy speed be faster if the drive would be on NTFS?
5
votes
3answers
542 views

Is possible to make symlinks that 'follow' the file?

Behavior: me@local: tree . |-- ba | `-- file.txt |-- foo | `-- file.txt -> ba/file.txt `-- foobar now, let's say i move the file.txt from ba to foobar: me@local: mv ba/file.txt ...
13
votes
4answers
6k views

Web Server Best Practices: Directory Structure & Security

I would like to utilize Ubuntu server as web server, but I want to make sure I follow best practices for setting things up. I want to ensure I set the directory up in the best location and understand ...