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

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3
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3answers
192 views

Absolute link pointers, able to work in another system

I have a folder and within it there are many links. I make those links absolute, so that I can move them about within the folder and they still point to the same data. Relative links would break if I ...
3
votes
4answers
1k views

Accidental deletion of /lib directory in Fedora 15

I accidentally deleted the /lib directory on my Fedora 15 machine and I'm not sure how to go about fixing this. Any help in figuring out how to restore the directory along with symbolic links would be ...
3
votes
1answer
60 views

Test for link with trailing slash?

I created in /tmp/test/ mkdir somedir ln -s somedir/ somelink I want to loop through only directories: for file in */ ; do if [[ -d "$file" && ! -L "$file" ]]; then echo "$file is a ...
3
votes
1answer
88 views

Symbolic link starting with .#

I have a symlink in one of my directories that has the following name: lrwxrwxrwx 1 XXXX ZZZ 37 Jan 15 18:18 .#perl.org -> XXX@YYY.com.2980:1344441539 I am wondering what this symlink ...
3
votes
3answers
272 views

How to diff two folders by inodes

I'm currently using a script to backup files on my computer. In a nutshell, it works like this: rsync --link-dest=$FOLDER/current $SOURCE $DESTINATION However, I think that my script may be ...
3
votes
1answer
385 views

How do you increase MAXSYMLINKS

In a python script, I am creating a bunch of symbolic links chained together. example: link1->link2->link3->.......->somefile.txt I was wondering how you can change the max number of symlinks to be ...
3
votes
1answer
42 views

Where are information stored information about hard/soft links

Where does the *nix system store information about number of hard links to a specific inode? I can't find any information about that. Everywhere what a hard link is but rarely a bit more advanced ...
3
votes
1answer
223 views

Why is permission denied for npm start using node-dev?

I am trying to start a node.js application with on a low permissions user. All the files I know of are owned by the correct user and have permissions set reasonably well. I'm trying to use a script ...
3
votes
1answer
223 views

How can I efficiently dereference all symlinks in `find` *output* filenames?

I need paths to be both fully resolved and relative to a given directory. This must be done efficiently, since the number of paths is often greater than 100,000. Situation: I have directories which ...
3
votes
5answers
2k views

How to make a variable symlink ? (or something similar)

How can I make a variable symlink that would point to a different location according to the current user? Is it possible? Should I use something else instead? A mount point? How? Here is the problem ...
3
votes
1answer
241 views

rsync: how to relocate absolute symlinks?

I've pored over the rsync manpage as well as on several related questions here on serverfault. I've played with -R and -L and -l options, but no luck. Here is the question: when sending a dir from ...
3
votes
1answer
398 views

FreeBSD: Remove symlinks in devfs

Background I have been rebuilding a small home NAS. This server represents my first 'real' foray into the world of server administration and it has taught me quite a bit already. Originally, the ...
3
votes
1answer
763 views

Is there any way to rsync absolute symlinks alone?

I want to sync a big folder hierarchy between two machines. I want to copy the contents of the symlinks if they are absolute, for eg it points to /some/folder/someFile I want to retain the symlinks if ...
3
votes
1answer
134 views

Advantage of symlinks over Windows style shortcuts

When I mainly used Windows, to make a shortcut, I could use a regular file detailing where it linked to, with the extension .lnk or .url Now, on Linux, I mainly use symbolic links, which are a ...
3
votes
3answers
151 views

Creating a local workspace for development/testing

I want to be able to mount, say /home/$USER/workspace to /usr/local/workspace. Right now I'm using the python package pyfilesystem which uses fuse to do that. My problem is, that inside that mount I ...
3
votes
2answers
2k views

Use `ln` to create a missing directory

So I'm writing a small package manager, and a problem I've run into is making the symbolic links to files. It installs the package to /usr/pkg/name-version, and then reads a file to determine what ...
3
votes
0answers
35 views

auditing of symlink/symlinkat syscalls doesn't work here

I'm trying to monitor symlink/symlinkat syscalls of files under a specific directory, so I added two rules: auditctl -a exit,always -F arch=b64 -S symlinkat -F success=1 -F dir=/XX auditctl -a ...
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0answers
205 views

Using symbolic links and git to manage build versions

In general I follow the following workflow when I build any program (e.g. emacs, tmux, etc.) /home/opt/[name of the program]/builds/[version]/ bin lib share For example for a program like tmux I ...
3
votes
2answers
175 views

ln gives different results when run multiple times

I have this simple script to use with seventh sense (it's a lone wolf gamebook reader/player): #!/bin/bash GAME_PATH=$(dirname "$(readlink -f "$0")") SEVENTH_SENSE_PATH=$(echo ...
2
votes
3answers
234 views

Adding to path vs. linking from /bin

Our sys admin installed a software (Maven) on the server, and told everyone to add the "/usr/local/maven/bin/" folder to their path. I think it could be more convenient to just link the few programs ...
2
votes
3answers
165 views

What has happened to the file when I entered “mv file.txt ../”?

I wanted to move 'file.txt' one folder up, but instead of mv file.txt ../file.txt I entered mv file.txt ../. Now the file is gone and I didn't get any error message. So it seems the some action was ...
2
votes
3answers
248 views

hardlink/softlink multiple file to one file

I have many files in a folder. I want to concatenate all these files to a single file. For example cat * > final_file; But this will increase disk space and also will consume time. Is there is a way ...
2
votes
3answers
506 views

How universal is the -L (dereference symlink) switch of the 'ls' command?

I have some software that, among other things, needs to: Assess a file's rwxrwxrwx permissions; Work under every possible flavor of Unix and Linux you can find in the wild. Currently, it does that ...
2
votes
1answer
67 views

Symlink with @ symbol?

I found that there is a symlink generated by ruby which has a @ sign at the path: default -> /Users/MyUserName/.rvm/rubies/ruby-2.0.0-p247@gemset The folder ...
2
votes
1answer
160 views

Why does ln -sf silently fail?

ln -sf source_file target_file succeeds even when source_file does not exist. ln -f source_file target_file on the other hand fail, as expected. How can it be tuned to give error on the first case ...
2
votes
4answers
3k views

How do I tell if a folder is actually a symlink and how do I fix it if it's broken?

How do I tell if I have a symlink, a shortcut of some sort, or a folder in Linux? Please see following screenshot. As you can see, the ls command lists objects where some are colored in dark blue ...
2
votes
2answers
195 views

Create a new link to access all files and folders

I get stuck to create a shell script for a new link something like that link linkPathName orginalPathName I want to create a link between a new link and original path; however, both can access ...
2
votes
2answers
72 views

modify date of symlink on bindfs

I have the feeling that I cannot modify the date of symlinks on bindfs. See the following transcript of what I tried. On EXT4: nailor@needle:~$ mkdir /tmp/ex nailor@needle:~$ cd /tmp/ex ...
2
votes
3answers
96 views

cp SOMEFILE .. copies to a different directory after cd'ing via a symbolic link

Consider the following setup: ~/Desktop/Public/subdir ~/Desktop/subdir --> ~/Desktop/Public/subdir (symbolic link) Now I do: cd ~/Desktop/subdir Which leads me into the linked directory. If ...
2
votes
1answer
385 views

Why are there symlinks in /dev? (LVM)

[root@SERVER ~] ls -la /dev/vg/root lrwxrwxrwx 1 root root 17 2012-10-28 10:29 /dev/vg/root -> ../mapper/vg-root [root@SERVER ~] QUESTION: Why are there symlinks? Why there couldn't be only 1 ...
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votes
2answers
20 views

Symlink all subdirectories in a directory to another directory

I'm trying to symlink every directory in a folder to another folder. For example, in the structure below, I need the subfolders symlinked to folder2. - /home/chris/folder1 -- subfolder1 -- subfolder2 ...
2
votes
3answers
575 views

$PWD variable equivalent of pwd -P

I want to use the $PWD variable in a script, but I want it to be the hardware path without symlinks. I know about /bin/pwd and pwd -P, but those aren't variables. I know that I can use: setenv MYPWD ...
2
votes
2answers
2k 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 ...
2
votes
1answer
106 views

Will symlinks be maintained if the target's path remains the same but everything is transferred to a new disk?

(I think the answer is yes, but I'd like to be certain before I actually do it!) What I'm trying to do: install a new sd card in my "rooted" Android phone that uses A2SD. The fact that it's an ...
2
votes
1answer
2k views

Why can't list file/directory relative to .. from a symbolic link directory (No such file or directory)?

I have a /usr/tomcat6/logs directory linked to /var/log/tomcat6. When I changed directory to /usr/tomcat6/logs and try to ls files using a relative pathname ../conf/Catalina/localhost, a No such file ...
2
votes
3answers
79 views

Why can't I edit links and directories directly?

There are programs such as hexedit that allow one to edit each bit of a file, and as I keep hearing that in Unix "everything is a file", I tried to edit some directory, expecting bytes referring to ...
2
votes
2answers
97 views

Is there way to replace value of symbolic link? [duplicate]

Is there way to replace value of symbolic link? For example I want to replace symbolic link like this: first -> /home/username/foo/very/long/directories/that/I/do/not/want/to/type/again to ...
2
votes
1answer
147 views

Change permissions for a symbolic link

I have a symlink with these permissions: lrwxrwxrwx 1 myuser myuser 38 Aug 18 00:36 npm -> ../lib/node_modules/npm/bin/npm-cli.js* The symlink is located in a .tar.gz archive. Now when I ...
2
votes
2answers
2k views

Recursive scp without following links or creating a giant tar file?

So I did a recursive scp on my remote fileserver (in another state) and it created an infinite loop of links on my remote web directory... ...
2
votes
2answers
312 views

If symlink on NFS points to local disk, will advantage of local disk be lost?

I am working on a development network that uses NFS so that home directories etc can be accessed from any machine. However, NFS is occasionally flaky, causing slowdown/freezing of the machines. I am ...
2
votes
2answers
2k views

How do I see what symlinks exist for a given directory?

I want to do some housekeeping in a directory, and I want to see if a given directory has any symlinks pointing to it. I can easily enough see what directory a symlink points to, but now I want to see ...
2
votes
1answer
38 views

Why store program code in /var/cache?

I have inherited a Java / Tomcat stack, running on Ubuntu. It has crashed and I am trying to restart it. The program code seems to be using a config file which I have found on the file system. The ...
2
votes
2answers
43 views

Soft Link Detection

In my own LFS-based OS, I had created many softlinks. Soft-link can be deleted without harming the target. But is there any way that If I remove the a file or directory then, I will be notified ...
2
votes
2answers
56 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
1answer
165 views

Canonical paths: why are they needed?

The issue of resolving symlinks (symbolic links) is often addressed on this forum, and on others. Related are the concepts of relative, absolute (or full), and canonical (or resolved) pathnames. Two ...
2
votes
1answer
405 views

Fix symbolic links after version change

Say I have a symbolic link to a file, which has its version in its name. (The file is actually a jar file) Now say, that the version changes, i.e the old file I linked to is deleted and a new one is ...
2
votes
1answer
1k views

Creating symbolic links to applications in Mac OS X

I installed Aquamacs in a fresh OS X desktop, and wanted to be able to call the program from the commandline. Calling the file inside the app seems to work just fine: Amoss-iMac:bin amosjyng$ ...
2
votes
1answer
504 views

How do I dereference links when extracting from a tar file?

If I have a tar file, bob.tar, which contains real_file and link_to_real_file, in which the latter is a symlink, is there a way to extract the contents of bob.tar so that link_to_real_file will not be ...
2
votes
1answer
851 views

How synchronize two disks (or folders) using symbolic (or hard) links (like rsync)?

I'm searching a tool or a shell script or another program to synchronize two or more folders or disks. But it differs of rsync tool, because, I don't want to duplicate the missing file, but do a ...
2
votes
2answers
71 views

How do I make find follow most, but not all, symbolic links?

My OS and home directory are on an SSD. I store some large files on a hard disk, and symlink from my home directory to the hard disk (eg. ~/Videos/Films is a symlink to /mnt/hdd/Films). I also have a ...