Ubuntu Servers :: Vsftpd: Symbolic Links Or Mount Bind?
May 21, 2010
I'm setting up an ftp server with lucid server. A lot of the folders that should be accessible via the ftp are in different directories (and can't be moved without a LOT of hazzle) and I have to either symlink or mount bind them to the ftp chroot dir. Now I'm wondering which one is the saver variant? My guess is mount bind, but I'm not that familiar with the internal workings of linux and vsftpd (plus for symlinks I wouldn't have to change/create any scripts, just create them once...),
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Mar 16, 2011
I know how to make symbolic links on the same or between two different partitions. But is it possible to make symbolic links between two different servers, that are on the same lan?
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May 30, 2010
I have a 8.04 LTS server that i have installed a new 1TB drive. The server is running great but I am bit confused regarding the ln -s command and drive mounting. I have backuppc installed on the server and I am running out of storage space. To reolve this I moved the cpool and pool directories to the 1 TB drive and type from within the /var/lib/backuppc directory ln -s cpool /store/1TB/cpool this created the symbolic link to the new drive and everything works fine. I then rebooted the server and everything is runing fine but the drive does not show up in the df -h command, however the directories appear to be mounted fine.
I thought the drive would not be mounted automatically until it was defined in the fstab. Does the ln -s command force the system to automatically mount the directories but not the volume? This behaviour has caused me to delete my backup data becuase I was sure the disk was not mounted but is was!
[Code]....
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Jul 17, 2011
I am trying to make my Apache server show symbolic links in a directory listing, but have so far been unsuccessful. In my latest attempt, I have placed the following code in .htaccess, in the directory with the symlinks that I want listing:
Code:
<Directory />
Options All
</Directory>
Im httpd-vhosts.conf, I have also placed the following code within the relative <VirtualHost></VirtualHost>:
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Mar 6, 2009
I'm using FC10 and I want to create a symlink to my movies directory in my home folder:
This is what I did:
I created in
/var/www/html
ln -s /home/username/movies movies
Then in /etc/httpd/conf/httpd.conf
DocumentRoot "/var/www/html"
<Directory />
Options FollowSymLinks
AllowOverride None
</Directory>
<Directory "/var/www/html">
Options Indexes FollowSymLinks
AllowOverride None
Order allow,deny
Allow from all
</Directory>
<Directory "/home/username/movies">
Options Indexes FollowSymLinks
Order allow,deny
Allow from all
</Directory>
Restart apache and then the test page is working.
The directory /home/username/movies has following permissions:
drwxrwxrwx 2 apache apache 4096 2009-03-05 23:43 movies
When trying to access my webpage at localhost/movies I get the 403 Forbidden Error.
Ok then, entering:
sudo -u apache ls /var/www/html
> movies
This works, sudo -u /var/www/html/movies returns the permission denied error.
As well sudo -u /home/username/movies
Is the user apache chrooted by default? SELinux is in permissive mode. What can I do?
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Jul 10, 2010
I am trying to set up scripts to execute Luckybackup and make them easily available to all users of the computer. Following the recommendation of the web site (http://ubuntu-tutorials.com/2006/12/...-all-versions/) I tried to set up a folder (/usr/local/myprograms/luckybackup_scripts) containing the scripts, and to put symlinks pointing to the scripts in /usr/lock/bin.
The object of this design was to have my local programs clearly separate from any other programs, and to point to them with symlinks in /usr/local/bin. is because /usr/local/bin is automatically searched when a terminal command is issued so the user need not specify the whole path to the script.The problem that I ran into was that the system would not let me create symlinks to scripts in /usr/local/myprograms/luchybackup_scripts. While ths symlink was created, it was invalid and did point to any target. The only symlinks that I could create had to be in the same folder as the target, namely /usr/local/myprograms/luckybackup_scripts. I tried to create the links using Terminal and "sudo ln -s
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Nov 14, 2010
I am having trouble with virtual hosts. The system is not recognizing their existence. In the process of trying to determine the problem (when I do a command of "ls -l" for the sites enabled folder) I noticed that the new symbolic links for the two sites in question show the directories and files linked to in green. The one link that does work (the default link set up with the system install) is in white.
Is there any significance attached to the colors? I would think they should be the same as the working one.
[IMG]file:///tmp/moz-screenshot-1.png[/IMG][IMG]file:///tmp/moz-screenshot-2.png[/IMG]
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May 7, 2010
I have directory that contains some symbolic links:
user@host:include$ find .. -type l -ls
4737414 0 lrwxrwxrwx 1 user group 13 Dec 9 13:47 ../k0607-lsi6/camac -> ../../include
4737415 0 lrwxrwxrwx 1 user group 14 Dec 9 13:49 ../k0607-lsi6/linux -> ../../../linux
[code]....
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Oct 9, 2010
I have a linux server, and use symbolic links a fair amount. I'm also merging some of my php code
library to another location.
My question is, is there any way to get a list of symbolic links that point to a specific directory which I am going to be moving? that way I can manually go through them and re-point to the new location of the physical folder.
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Mar 2, 2011
Just wondering what the command is to archive data plus symbolic links in tar. We need to be able to recreate symbolic links as the file is laid back to original location(s).
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Feb 24, 2011
what exactly does the following symbolic link mean?"target ->/path/to/./usr/bin/example"I am a bit confused on the "." portion of it.
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Apr 6, 2010
If you have some directories shared that contain symbolic links that are NOT being resolved by the client machine, try adding these lines to your /etc/samba/smb.conf file:
Code:
[global]
follow symlinks = yes
wide symlinks = yes
unix extensions = no
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Jul 4, 2010
Does anyone know how to get an applications launcher to follow a symbolic link. I got it to work using the absolute path name to the executable, but the other doesn't seem to work.
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Apr 13, 2011
I have samba set up, and I can log in, etc. However, whenever I try to access a symbolic link, windows tells me that "windows cannot access [directory name]".
I have this under global, but it doesn't seem to help:
Quote:
follow symlinks = yes
wide symlinks = yes
unix extensions = no
The permissions of the target directories are open.
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Jun 28, 2011
Is there an easy way to replace all symbolic links with the file they link to?
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Mar 27, 2011
copy all symlinks
i want to copy all symlinks (both active and dead) from one partition's os's user's home directory, to another partition's os's user's home directory, and i'm wondering if this can be accomplished with some clever bash options and pipes after "cp".
this is very useful for users with multiboot systems, who keep all their data on a separate drive. this would allow the symlink'ed shortcut tree directory hierarchy expedience, to be instantly copyable to any of their oses.
distro-hoppers/surfers will love it. ^_^
so here goes my first attempt at trying to work out what it'd be...
cp -P
(copy, dont follow symbolic links)
(or is it -d i aught use?)
find /% -type l
(finds symbolic links only
[Code]....
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Feb 20, 2011
Is it possible to change permissions on symbolic links using the c programming language or any other for that matter? Now, I know what you are thinking, so let me provide some background.I know permission are meaningless. I know that typically permissions are set to 777.The project that I am working on does the following. On HPUX systems, a c binary recreates missing links from a stored image of the filesystem, if they are missing. The problem is that the permissions are 700 when the links are restored (should be 777). The c method to restore the symbolic links is "symlink()" which takes as its argument the target and linkname.The client wants 777 on the links. I do not know why the permissions are different. I would like to know if I can change permissions on the link by code, changing the mode?
Is this a bug somewhere in HPUX 10,x and 11.x os or "symlink" c library method, who knows?There are groups of nodes running HPUX, for example groupA, groupB etc.The problems appears in groupA but not in groupB. Seems the nodes are configured differently.While I would love to know if this is a configuration issue, it appears that way to me, there would be little I could do about it. Politics you know, but that's okay, in time someone would listen.
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Aug 4, 2010
i am using ps3mediaserver to expose my photos collection which is distributed across multiple sub-folders. unfortunately the ps3 can only show a slideshow for a single folder at a time, hence i was wondering if there was a quick way to create a single folder containing symbolic links to all my pictures.
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Aug 15, 2011
Having alot of trouble searching for answers as it just pulls up irrelivnent info.I have 2 HDD's id like to show as one virtual disk or mount them both to one folder, but without raid so if i dies the other will be ok. Is this something i can achieve with symbolic links or JBOD raids? or other options ^_^
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Jun 28, 2010
I have a web app that has a bunch of symbolic links in subdirectories throughout it.I need to move the app to another directory structure, and I need to update all the symlinks to point to the new path.The problem is that there's a lot of these scattered throughout various directories.How can I recursively search from the root and recreate all symlinks pointing to /dev/ with /qa/?
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Jan 7, 2011
I have been using a cron job to duplicate a folder into another users account every day and someone suggested using symbolic links instead although I cannot get them to work. In summary user GAMER generates log files that they want to access via HTTP, however I only have a web-server in the user account SERVER, in the past I would copy the logs folder from GAMERS account into SERVER/public_html/. and then chmod the files so the server could access them. Trying to use symbolic links I set up a link from root (as only root can access both accounts) I used: ln -s /home/GAMER/game/logs/ /home/SERVER/public_html/logs
However it seems that only root can use this link, I tried chmoding the link, all the files in the gamers /game/logs/*, /game/logs itself to 777 as well as changing chown and chgrp to server the files still cannot be read. When viewed from servers account my shell shows the link and where it is to hi-lighted in black with red text. /home/GAMER/game/ (chmod & chgrp) drwxrwxrwx 3 SERVER SERVER 4096 2011-01-07 15:46 logs
/home/SERVER/public_html (chmod -h & chgrp -h)
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Jun 7, 2010
However, can I run a command and create symbolic links for all files in a given folder and its subfolders and have all the links be in one folder?
I have a file structure such as:
FolderA
FolderB
FolderC
and I want to have symbolic links for all the files in the A, B, and C all in one new folder (FolderALL) for example. I have hundreds of folders that need to be done, so a simple 1 line command would be ideal if possible.
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May 10, 2010
I'm running slackware64-current and have no problems building packages from .SlackBuild scripts except for GCC. When I build the package there are no errors but I get a message saying - "No symbolic links were found, so we won't make an installation script. You can make your own later in ./install/doinst.sh and rebuild the package if you like." The created package contains only directories - Creating Slackware package: /tmp/gcc-objc-4.4.3-x86_64-2.txz
[Code]...
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Oct 19, 2010
I have a Samba share that contains a symbolic link and when I try accessing it from the WinXP machine it denies permission. If I access it from the Linux account, it goes in with no problems. Is there a certain setting that needs to be set or enabled or is this just one of those things with Samba?
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Jan 10, 2011
I've created two samba shares, /media/disk1 and /media/disk2 say the structure is like this:
/media/disk1/dir1
/media/disk1/dir2 links to /media/disk1/dir1
/media/disk2/dir1 links to /media/disk1/dir1
so I can access /media/disk1/dir1 and /media/disk1/dir2 from samba share, but I cannot access /media/disk2/dir1, on Windows 7 it throws:
Quote:
[Window Title]
Location is not available
[Content]
N:dir1 is not accessible.
Access is denied.
[OK]
In conclusion, symbolic inside the same drive is okay, but when cross-drive links happened, I cannot access them..
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Mar 14, 2010
I just upgraded samba on my lenny-server:
apt-cache policy samba
samba:
Installed: 2:3.4.7~dfsg-1~bpo50+1
...and since then my windows xp clients cannot follow a symbolic link to a common area from their home folders.
I have googled and tried to add follow symlinks and wide links to my homes share
[homes]
= Home Directories
browseable = no
follow symlinks = yes
wide links = yes
...but after restarting samba on the server and rebooting the windows machine the user still cannot follow the link.
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Feb 18, 2010
I have 5 files in directory /test1
I want to make symbolic links for all them to my current directory /test2
I tried
But it failed. It seems like I can't make symbolic links for all the 5 files simultaneously.
Often times I need make symbolic links for multiple files with some common pattern (just like ".txt" here). I really hope to avoid making symbolic link for each of them one by one...
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Aug 3, 2011
I have folder stucture:
|- dir1/
| |- sub1/
|
|- dir2/
|- sub1link -> /dir1/sub1/
and my current working directory is sub1link, is there a quick way to either: change directory to link source parent (i.e something similar to cd .. but take the user to /dir1/ change directory to link source (i.e switch from /dir2/sub1link/ straight to /dir1/sub1
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Oct 20, 2010
I am trying to figure something out as part of something else I am going to do. I was just wondering the easiest and quickest way to run a loop at the Linux command line which will make x amount of symbolic links when I need them.
I am using Debian 5.
I figure its something as easy as ~# foreach statement, then I just do a loop with the command to make a sym link.
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Apr 21, 2010
Found that RedHat Linux supports Context-Dependent Path Names in symbolic links using special reserved CDPN variables. Will it be possible to create a user-defined CDPN variable and use it in creating a symbolic link
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