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Questions tagged [symlink]

A special type of file that references an inexistent or existing file or directory. The contents of a symbolic link consist of an arbitrary string that is the path to the file that the symbolic link points to. When the symlink is encountered during pathname resolution, the string stored by the file is used to modify the pathname resolution.

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30 views

Convenient way to cd into a frequently-used dir? [duplicate]

A dir I cd into a lot has a really long path. I'd like to reduce keystrokes. I have tried this... sudo ln -s /mnt/c/Users/me/ho/hum/bin /mybin It works, but something about it seems wrong. Is ...
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1answer
44 views

How can a single file system object be both a symlink and a directory?

When I ls it, it's a directory with a bunch of files in it. But when I ls -l it, it's a symlink to something that's NOT a directory. What's going on — how is it possible? $ ls /sys/class/net/...
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1answer
23 views

mariadb.service - linking unit aliases mysql.service & mysqld.service - (why) is it necessary

I cannot find the originally site I found how to set up MariaDB on linux. Dependend on that tutorial I wrote an ansible playbook. While refactoring my playbooks I found those two tasks. - name: ...
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3answers
28 views

How to completely uninstall java from RHEL?

When I do which java I get the following output: which java /dir/java/bin/java I have already uninstalled java rpm using the following `rpm -qa | grep -i java` rpm -e rpm-name Still java is not ...
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1answer
27 views

Safely remove a symlink or hardlink

Does using rm on a symlink or a hard-link remove the source in addition to the link? Is there a good way to delete a hard-link or a symlink without deleting the source? And if there is a good way ...
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1answer
23 views

Symlinks with grub2 like pxelinux

I do want to do symlinks like pxelinux can, just with grub2. But I cant figure out how. The goal is to have different config-files which I can dynamicly pass to an IP. Grub2 does work so far but I ...
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1answer
49 views

Difference between file descriptor and soft/hard link

If soft link and hard link are pointer to a file. And file descriptor is a file handle pointing to an open file. Then what exact difference is between the two if both of them are a kind of pointer ...
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1answer
21 views

Rsync keep full symlink directory structure

So, I am trying to keep the synlink structure when transfering files, so my folder structure: $HOME/backup/backup/symlinks - $HOME/Documents/hello.txt $HOME/backup/backup/data Now, when I sync I ...
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1answer
33 views

Is there a way to create a symlink to a non-existent target?

Is there a way to create a symlink whose target does not exist using shell scripts? From reading man 1 ln, I do not see an option to do so; and even -f checks if the target exists. Is there a way to ...
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1answer
61 views

Why can't I access a symlinked directory

I want to (soft)link my .thunderbird dir onto the actual directory which is on a SD card. Thus, (xenial)florian@localhost:~$ ls -la /var/host/media/removable/SD\ Card/.thunderbird/ total 24 drwx-----...
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1answer
22 views

Create a directory if it doesn't exist when symlinking a file into that directory

Assume I want to symlink like in the following command: ln -s /home/user/dots/cmus/cmus.theme /home/user/cmus/cmus.theme But for the above command to work, I need to make sure that the directory /...
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0answers
37 views

Automatic symlink to latest folder

Is there a way in Linux to automatically maintain a symlink to the latest version of a file/folder in a certain location? My use case: I generate datasets with unique job names, then write them to a ...
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1answer
21 views

access soft symlink directory's contents in bash [duplicate]

I have a bunch of symlinks pointing to various directories. Each of the target directories happen to have a space in them, I have not created them like that, but they are being received as such via ...
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49 views

weird symbolic link

I found a weird symbolic link shown below. 1st line looks fine, but 2nd line(starting with ->) is weird. Is this normal? If not, how can I fix it? lrwxrwxrwx 1 kcc-2 asp2 37 05 May 23:53 ...
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1answer
54 views

Make a `ln -s` that checks for broken symbolic links

I am trying to write a function ln() (if it is not a good idea to call it ln, it may just be as well called myln() or whatever, but that is not important) in bash, such that, If the short option -s ...
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1answer
43 views

A command to know if some file are “only” an hard link and “not” a symlink [duplicate]

I need a command for an if condition to know if 'file_name' is an hard link (not symlink). Thanks
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1answer
48 views

I need a command to know if a file is linking to another file

How I can know if file1 is a symbolic link to a file2? I need an if condition.
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1answer
48 views

Why are Linux namespace links in /proc red in color?

I inspected the symlinks in an Ubuntu VM for the namespace related directories under /proc/PID/ns. I see all the links are in red color. I even tried to test using unshare to see if I can create a ...
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1answer
46 views

unlink/rm target of an open symlink

I've come across an issue where processes that load symlinked .so files crash if I update the .so while the processes are still running. I have long-running processes that load shared libraries (.so)...
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1answer
24 views

Debian - Restore a Timezone File [duplicate]

So, I just screwed up a timezone file on my Debian system because I pointed it as a link to /etc/localtime vs. pointing /etc/localtime to it. Specifically, /usr/share/zoneinfo/America/Puerto_Rico. I'...
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1answer
14 views

Symbolic Link Restores Original File

On Linux, I created a file (file1): echo Hello file1 > file1 Then, I created a symbolic link (file2), to file1: ln -s file1 file2 After that, I removed file1: rm file1 Lastly, I edited file2 ...
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3answers
4k views

How to create a folder symlink that has a different name?

I want to create a symlink ~/.pm2/logs -> /opt/myapp/log When I run ln -sFf /opt/myapp/log ~/.pm2/logs I get a symlink ~/.pm2/logs/log -> /opt/myapp/log which is not what I want. I'd ...
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2answers
58 views

Is it possible to “add” a second folder to the current folder file contents? symlink?

question: Is it possible to "add" the contents of a 2nd folder to the current folder file contents? (In essence I was asking from a full Unix is perspective but may be nginx would work too as the goal ...
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1answer
114 views

Python symbolic links mixed up

Using Ubuntu 16.04 Tried to set python 3.6 as default for the python3 command. I found what seemed to be the answer and quickly copy-pasted the following lines without carefully reading: $ sudo ...
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1answer
65 views

Create symlink to a directory I don't have permissions over

Bit of history first: where I work, some developers/shareholders have brought their intellectual property together to form the company. IP still remains theirs alone, individually, as well as the ...
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1answer
27 views

I want to make symlinks of all files in a directory EXCEPT the existing symlinks in the directory

I have a bash script that creates symlinks from the directories in one users directory to another users directory. I want the script to exclude existing symlinks in the source directory when creating ...
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2answers
65 views

rm -rf ~/Desktop - how to fix it and/or change the location

I was trying to symlink Windows desktop with Lubuntu desktop folder, but have in the process removed the Lubuntu folder completely. I know I can't recover the lost files, but how do I fix this now, ...
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0answers
53 views

Find file and directory size while ignoring symlink in sub-directories

I have a directory structure where there are multiple symlinks at random depths. For illustration purpose: /fs /fs/afile /fs/blink -> /usr/local/lib /fs/cdir/cfile /fs/cdir/cdir/cdir/clink -> ...
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1answer
172 views

Permission denied when cd to symlink'd dir in /tmp that is 700 and owned by regular user

Question: Why am I not able to cd into a symlinked directory with 700 permissions, owned by a regular user, as root, when I am able to change into the directory itself? Example: ttucker@plato:/tmp# ...
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3answers
102 views

Error to Create symbolic binary link

I want to create a symbolic link for vi to see this program when calling from console run vim: ln -s /usr/bin/vi /usr/bin/vim` ln: failure to create symbolic link «/ usr / bin / vim»: The file ...
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1answer
43 views

Rsync not correctly copying Symlinks

I have an rsync to copy over some rpms from one server to another but the issue is that the symlinks are not being created properly on the receiving server. My rsync options are -avz --force --delete ...
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1answer
414 views

zip command show warnings “name not matched” about symlinks, outside of my working directory, pointing to non-existing target

I have some weird warnings when zipping a directory's content. I use a command line I use for a ton of websites backup since years and never had such issue, and I try to figure out why I have the ...
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1answer
113 views

Some special files in Unix

Background There are lots types of special files in Unix, for example symlinks, device files and proc files (under /proc). /proc files are just normal files or even text files. But for the rest, I ...
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3answers
155 views

Protecting Linux systems from symlink attacks

Linux-based systems are vulnerable to symlink race attacks from unprivileged UID processes. For example, a PHP process on a shared hosting can create a symlink to /etc/passwd in a directory where ...
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1answer
55 views

/bin/sh symbolic link not working properly

I am using i3, and by default, it uses sh when starting process with the i3 config exec command. This is fine and dandy, but that means the environmental variables created in my .zshrc do not get ...
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0answers
9 views

How to install Linuxbrew into a user defined folder

Llinuxbrew installation install the package on the home folder. For some reason I need to install Linuxbrew into a different folder. At the moment, I installed it and moved the whole folder into a ...
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0answers
66 views

AIX : NOFOLLOW_LINKS is not supported on this platform

I have an AIX 7.2 machine. I am trying to run a Java program on it. It gives me this error: NOFOLLOW_LINKS is not supported on this platform. It is because I am using this call in the program: Files....
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2answers
70 views

Why does Linux allow a symbolic link to itself?

Because of a typo I found out that this is allowed: ln -s useless useless. Then, as expected ls useless/* triggers this error message: ls: cannot access 'useless/*': Too many levels of symbolic ...
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1answer
134 views

How should we understand symlinks under `/proc/pid/fd`?

They seems more like a link to inode instead a link to path. What does the readlink() mean to them, the canonical path of the inode from the calling process's root directory? What happened when a ...
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0answers
55 views

Given a pathname and a symlink to a directory in the pathname, is there a command which can return an equivalent pathname making use of the symlink?

Sometimes I have a long pathname, and want to shorten it by some precreated symlink to a directory in the pathname. Specifically, given a pathname /path/to/file, and a symbolic link /symlink to a ...
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0answers
40 views

tail reopen file when directory changes

I've got a symlink pointing to the "latest" directory, and I want to tail a file in the latest directory, even if the symlink changes to a newly created directory. I often use tail -F for files and ...
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2answers
60 views

Symbolic link “ln” dot slash expansion

I want to create a symbolic link to a file in my current working directory. Say that I have a top level tree that looks like this: . ├── dir1 │   └── hello.so └── dir2 2 directories, 1 file I ...
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1answer
51 views

Can we create soft links that concatenate multiple files? [duplicate]

Let's say that I have files f1, ..., f9. I want to create a single view -- or a soft link -- say f, that displays a concatenated view over the 9 files. For example, if I execute wc -l f the answer ...
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2answers
115 views

How to regularly update symbolic link (ln -sf) via crontab

Background The PNG image files I want to use is stored in directories according to date, for example: /NAS-mein/data/201812/ PNG stored within it like /NAS-mein/data/201812/foo/bar/20181231_1500....
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3answers
41 views

Creating a folder that aggregates files from other folders

I'm trying to organise my directories for different classes such that each of them has a todo folder. something like this: |--classes/ | |--classOne/ | | |--todo/ | | | |--read.pdf | | |--...
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0answers
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Broken link being created? [duplicate]

I gave the command as below and when i see it creates a broken link ln -s '~/Documents/....../Mean/W_P.dat' fort.11 The location I'm executing this file is different from the path of W_P.dat file.
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3answers
78 views

Comparing the time of a symlink

I want to check whether link lnkfile is older than a regular reference file reffile. The bash test builtin dereferences links, so test lnkfile -ot reffile compares the target of lnkfile, not the link ...
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0answers
76 views

Symlink resolution and the $ORIGIN variable in RPATH

Are symlinks resolved before or after the dynamic loader figures out the value for the $ORIGIN in the rpath from an executable? Longer explanation: I'd like to know if there's an standards-compliant ...
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2answers
313 views

How to make symlink executable?

I am using the Cloud9.io IDE. I have downloaded the Julia generic executable and extracted it. sudo wget https://julialang-s3.julialang.org/bin/linux/x64/1.0/julia-1.0.3-linux-x86_64.tar.gz tar xvzf ...
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0answers
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Apache startup error with symlinked configuration file with 777 permissions

Ubuntu virtual machine with Apache 2.4.7 I'm getting these errors: apache2: Syntax error on line 216 of /etc/apache2/apache2.conf: Could not open configuration file /etc/apache2/conf-enabled/...