A special type of file that references a file or directory.

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24
votes
3answers
8k views

How can I “relink” a lot of broken symlinks?

I have a directory tree which has a bunch of symbolic links to files under /home... however, I have moved /home to /mnt/home and need a way to "relink" all of the symlinks. Does such functionality ...
0
votes
0answers
24 views

Is it possible to make a symbolic link of a file in other machine?

I have a account in a server and I would like have a symbolic link of some files in my local machine. How can I do this?
1
vote
1answer
18 views

copy symlinks with rsync

When I'm trying to backup a disk with rsync, symbolic links are not resolved correctly. For example: media └disk1 ├folder1 │ └folder2 (symlink to /media/disk1/folder2) └folder2 After rsync ...
5
votes
2answers
3k views

How does linux work with symbolic links?

I mean what's going on when some process wants to read a symlink? What's going on when something changes a symlink during a read or even write process? For example: I have 2 huge, similar 100G files ...
16
votes
4answers
11k views

Converting relative path to absolute path

Is there a *nix command to get absolute(and canonicalized) path from relative path(with current path) or symbolic link?
2
votes
2answers
89 views

Folder alias / Symbolic link to return to back folder

I need to create a folder "2015" which re-routes to ./ but I don't know what the command is. Not sure if the term is called in this case an alias (or symbolic link). So I need to make the same ...
2
votes
1answer
51 views

What happen if accidentally move a soft link followed by “/”?

I created a soft link to the current directory, $ ln -s "$PWD" math I then wanted to move it to another directory. $ mv math/ ~/dirlinks/maths/ I then realized I should $ mv math ...
2
votes
1answer
41 views

When is a symlink treated as the thing it links to, and as a symlink?

When is a symlink treated as the thing it links to, and as a symlink? A symlink can links to a file of different types. For example, let mylk be a symlink which links to a dir. The following two ...
2
votes
0answers
14 views

Unison replacing newer symlinks with older files using the option -force newer

I'm having a problem with Unison and symlinks. I created a test case for making it easier to understand and try this for yourself. First, we create the two directories that will be synced. And some ...
6
votes
1answer
101 views

Filetype and dereference when listing directory with LS command

I'm trying to combine arguments to the ls command to list a directory content. What I'm basically trying to achieve is listing the directory dereferencing all links, but showing explicitly that the ...
2
votes
4answers
192 views

Creating symbolic link recursively

I essentially want to run this command... ln -s /opt/gitlab/embedded/service/gitlab-shell/hooks/ /var/opt/gitlab/git-data/repositories/web/*/hooks This would create a symbolic link in all folders ...
1
vote
1answer
29 views

How to find out which package installed a symlink

In this question I describe my problems finding out the package that installed the final target of the /usr/bin/rename command. dpkg -S /usr/bin/rename did not give a result, but after first finding ...
1
vote
1answer
25 views

How to find the package that installed a comand, if “dpkg -S” finds no path because the command is a symlink?

While I was writing up a tag information for rename, I tried to look up with which package the rename command was installed. I ran the usual "dpkg -S" (also mentioned in this question): $ which ...
1
vote
1answer
47 views

How do I display information about all encountered symlinks in a given path?

How do I obtain a description of all encountered symlinks for the given path? Expecting output like this: $ linksinfo ~/.nix-profile/lib/libQt5OpenGL.so /home is a directory /home/nix is a directory ...
15
votes
1answer
26k views

Create a symbolic link relative to the current directory

I'm trying to create a symbolic link in my home directory that points to a directory on my external HDD. It works fine when I specify it like this: cd ~ ln -s /run/media/name/exhdd/Data/ Data ...
6
votes
1answer
123 views

cd and ls behave differently when inside a softlink to a dir

When we cd into a dir via its softlink, i observe: ls .. will show the content of the parent dir of the linked dir, while cd .. will go under the parent dir of the softlink. Why are they different? ...
3
votes
1answer
43 views

Read target of symlink and increment target by one

I have a folder structure that looks like this /some/folder/1 /some/folder/2 ... and a symlink current that links to one of the folders. Is it possible and when how to read the target of the link, ...
-1
votes
1answer
24 views

Can rsync mirror a directory, without following symlinks linking outside the tree?

I want to mirror some home directories to a remote location, but don't want to follow links that point outside the tree. Links pointing with the directories themselves are okay. I also want the links ...
1
vote
1answer
41 views

du skip symbolic links

I cannot find an example of what I want to do and, from what I'm reading, the default behavior of du on my system is not the proper default behavior. If I ls my /data folder, I see (removing the ...
0
votes
1answer
167 views

Make Nginx follow symlinks

Nginx does not follow symbolic links. I get a 404 error. In my directory, I have this link: lrwxrwxrwx 1 root root 48 Sep 23 08:52 modules -> /path/to/dir/ but the files stored in ...
3
votes
1answer
41 views

read only symlink or something similar? [duplicate]

I created myself a NAT for home use (Ubuntu+Samba+Greyhole+Apache+MySQL+other web server related stuff). 90% of files I store there are pictures that i really don't wanna loose (that's why Greyhole). ...
6
votes
2answers
8k views

How do you make samba follow symlink outside the shared path

This is Ubuntu server 10.04 64 and samba 3.4.7. I have a shared directory /home/mit/share and another one /home/temp that I link into the shared one: ln -s /home/temp /home/mit/share/temp But on ...
64
votes
5answers
17k views

Why hard links not allowed to directories in UNIX/Linux

I read in text books that UNIX/Linux doesn't allows hard links to directories but soft links do. Is it because, when we have cycles and if we create hardlinks, and after some time we delete the ...
1
vote
1answer
59 views

Finding duplicate files and replace them with symlinks

I'm trying to find a way to check inside a given directory for duplicate files (even with different names) and replace them with symlinks pointing to the first occurrence. I've tried with fdupes but ...
10
votes
1answer
4k views

How can I access a directory outside a chroot from within it?

I have a user which is chrooted to her home directory, but I want her to also be able to manage files within /var/www. As such, I did the following: root@server:/home/username# ln -s /var/www www ...
7
votes
1answer
361 views

Is there a way to make perl -i not clobber symlinks?

A friend of mine points out that if you do: perl -pi.bak -e 's/foo/bar/' somefile when "somefile" is actually a symlink, perl does just what the docs say it will do: It does this by renaming ...
5
votes
1answer
114 views

Symbolic Link with Existing Directory

If I already has a directory (A) with existing contents and another directory (B), how do I symbolic link such that the two directory's content merge. eg. A -> folderA1/ ...
12
votes
6answers
1k views

Portable way to get script's absolute path?

What is a portable way for a (zsh) script to determine its absolute path? On Linux I use something like mypath=$(readlink -f $0) ...but this is not portable. (E.g., readlink on darwin does not ...
1
vote
1answer
39 views

get rsync to dereference symlinked dirs presented on cmdline like find -H

I'd love rsync to copy symlinks to dirs specified on the cmdline as dirs but leave all symlinks in the copied tree as is - like find -H, but the only way is a nasty hack of rsync -aR --rsync-path='cd ...
6
votes
2answers
1k views

How to replace a symbolic link with a copy of a file it links to?

Having a (single, no batch filesystem processing needed) symlink, what a command line to use to replace it with a copy of the file it links to?
1
vote
1answer
45 views

Why ln -s creates relative broken links? [duplicate]

I have an issue with ln -s on Ubuntu 14.04, while using it in the following scenario: $ cd ~/programming/tmux/ $ ln -s tmux ~/bin/tmux $ ls -l ~/bin/tmux lrwxrwxrwx 1 USER USER 4 sie 31 11:02 ...
38
votes
5answers
1k views

Is there a downside to deleting all of the broken symbolic links in a system?

I was running a script that iterated over all the files on my Linux system and created some metadata about them, and it threw an error when it hit a broken symbolic link. I am newish to *nix, but I ...
5
votes
3answers
298 views

cd to directory of a symbolically linked file

Before I write a script, anyone know an easy way to do the following: $ pwd /foo/bar $ ls -l lrwxr-xr-x 1 username admin 48 Apr 17 2012 foo.sh -> /bar/foo.sh $ cd /bar $ ls foo.sh i.e., in ...
2
votes
2answers
3k views

Get path of current script when executed through a symlink

I have a utility consisting of a couple directories with some bash scripts and supporting files that will be deployed to several machines possibly in a different directory on each machine. The ...
1
vote
1answer
41 views

some shared libs in /usr/local/lib aren't found but they are in /usr/lib

I can successfully run an executable using a symlink'd shared library in /usr/lib like so - sudo ln -s /lib/i386-linux-gnu/libcrypto.so.0.9.8 /usr/lib/libcrypto.so.4 In the interest of making this ...
0
votes
1answer
36 views

how to change where a symlink points [duplicate]

Can you tell me what is this in red marker area. ? and if want to change /media/files/tb-prod/files to some other path, then how it will be .. ?
13
votes
5answers
10k views

Make a symbolic link to a relative pathname

I can do this: $ pwd /home/beau $ ln -s /home/beau/foo/bar.txt /home/beau/bar.txt $ readlink -f bar.txt /home/beau/foo/bar.txt But I'd like to be able to do this: $ pwd /home/beau $ cd foo $ ln -s ...
12
votes
2answers
1k views

What is the difference between 'rm' and 'unlink'?

Assuming you know the target is a symbolic link and not a file, is there any difference between using rm and unlink to remove the link?
1
vote
2answers
34 views

why are there links to links in system directories?

For example, the executable emacs: lrwxrwxrwx 1 root root 23 Jun 9 2012 /usr/bin/emacs -> /etc/alternatives/emacs llrwxrwxrwx 1 root root 18 Jun 9 2012 /etc/alternatives/emacs -> ...
2
votes
3answers
120 views

Hot to make diff check a symlink link itself?

In Linux one can use the command diff to check for differences of files. I use it to check for differences across two modules, both copied to /tmp. However, both modules have symlinks, which might ...
2
votes
2answers
2k views

Sublime command line open it twice

I just created a symbolic link to sublime: $ sudo ln -s /opt/SublimeText2/sublime_text /usr/bin/subl The problem is that it opens the last project and the open I want: $ subl my-project or $ ...
4
votes
2answers
52 views

Find all symlinks to a directory and change target to another directory

I have a bunch of symlinks in /home to files and sub-directories in /foo. I want to target the new directory, /bar. My approach was to look at all invalid symlinks and verify that they were pointing ...
1
vote
0answers
46 views

What are some ways to update symlinks when the dir they point to are changed?

When the dir pointed by a symlink changes its name or ancestral dir(s), the symlink will not work. This happens often. Is there some more or less automatic way to make a symlink keep track of that? I ...
0
votes
0answers
55 views

Avoid infinite loops in file operations

In many programs, such as in this example filezilla, when I go to use certain directories they get stuck in an infinite loop. So I might be uploading a folder to an FTP server, but this folder links ...
2
votes
2answers
3k views

Create symbolic links with wildcards

I have multiple hard drives with the same directory hierarchy, for example: /media/sda/dir1 /media/sda/dir2 ... /media/sdb/dir1 /media/sdb/dir2 Two hard drives with similar names and similar ...
8
votes
2answers
433 views

Java location from /usr/bin/java

I'm trying to find my java location within my Linux system and got this [980@b449 ~]$ which java /usr/bin/java [980@b449 ~]$ readlink -f $(which java) ...
2
votes
3answers
56 views

Creating symbolic links

When creating a softlink how do add the path, I did the following: ln -s file1.txt /home/user9000/Desktop/SymbolicLink.txt When I see the softlink on the desktop it marks that the doc doesn't ...
0
votes
1answer
39 views

Point folder on main HDD to newly mounted 2nd HDD

What is the best way to point a folder in one of my websites directory to a folder in a second HDD I just had installed? I see things about fstab and symlink but am lost at what is the best way to do ...
6
votes
2answers
374 views

Why wouldn't a symlink to a symlink work?

I've run into a weird issue when installing SWI-Prolog using homebrew on my OSX 10.9 box. I'm trying to debug it to figure out whose bug it is (SWI-Prolog's, homebrew's, or OSX's), so I can report it ...
3
votes
0answers
44 views

Why do slackware packages recreate symlinks after installation?

Reading through slackware's makepkg script, I saw that rather than putting symlinks directly into the package, it deletes them and generates a script called doinst.sh that recreates them after ...