The layout of the directory hierarchy — questions like “where does this file belong?” or “what is this directory for?”.

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23 views

Unable to view Applications Directory Content in Terminal

Not sure what I'm missing here, but when I try to list the contents of the Applications directory from the Terminal it produces a directory with a couple .dmg files and none of the actual application ...
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3answers
174 views

Root /home Directory vs ~ (tilde)

I have created a virtual image for Scientific Linux and came across this after I finished installing it: [root@ftpserver home]# pwd /home [root]@ftpserver home]# ls When I cd into ~ I get this: ...
2
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2answers
75 views

What filesystem mount point am I currently working on?

I would like to know in what filesystem mount point I am currently on, similarly to using pwd to know what directory I am in. I know you can use df . (or df $(pwd) or many variants), but I find it ...
2
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2answers
78 views

Installing Matlab from an ISO image

I was trying to install Matlab, and used the following commands: # mkdir -p /mnt/disk # mount -o loop R2014a_UNIX.iso /mnt/disk # cd /mnt/disk # ls -l # ./install However, I don't want it in a ...
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0answers
38 views

How shareable is /var/cache?

I know that some subdirectories of /var/cache are pretty much shareable, for example /var/cache/pacman (in case of ArchLinux), and possibly others (/var/cache/man?), but at least /var/cache/ldconfig ...
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2answers
468 views

What is this folder /run/user/1000?

What is this folder: /run/user/1000 on my Fedora system and what does it do? ~ $ df -h Filesystem Size Used Avail Use% Mounted on tmpfs 1.2G 20K 1.2G 1% /run/user/1000
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1answer
62 views

How do folder name localizations work?

In Mac OS X, there are directories like Desktop, Users and Library. On localized systems, these would be named Skrivbord, Användare and Bibliotek (Swedish) But when I am in the terminal I can't ...
2
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4answers
456 views

How to recreate /var/lib/dpkg/status?

I have deleted some files around /var/lib/dpkg/, namely: /var/lib/dpkg/status /var/lib/dpkg/available /var/lib/dpkg/info/* I understand Debian uses these files to keep some information about ...
2
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0answers
50 views

Custom desktop launcher search path in Ubuntu

I know I can write a .desktop file in /usr/share/applications or ~/.local/share/applications, but can I add new folders to the search path similar to the $PATH environment variable? For example, I ...
0
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2answers
40 views

Where should I mount a disk to store backups?

I'm new to Unix, and wanted to give it a try. I had an old PC lying around and decided to turn it into a network based backup system to keep the data in the other PCs safe. So I installed FreeBSD on ...
3
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2answers
156 views

Why does find -exec du sum up differently?

I have family pictures and movies in a folder /media/data/Selbstgemacht and I'd like to find the size of all pictures. In /media/data I use find Selbstgemacht -type f -iname '*.jpg' -exec du -ch '{}' ...
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2answers
77 views

With “find /”, skip directories like “/proc”, “/sys” and similar

There are some directories that can cause problem with find, and especially find /. These are directories in which the OS creates files which are not really files. Among these directories are /proc ...
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1answer
59 views

Why do upgrades to KDM/KDE not preserve changes to configuration files?

The kdebase-workspace package on Arch Linux only preservers changes made to /usr/share/config/kdm/kdmrc when the package is updated. I need to edit /usr/share/config/kdm/Xsetup to get my monitors to ...
5
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4answers
272 views

Ways to organize and access frequently visited directories and files?

In my Ubuntu, I have added some frequented directories to the bookmarks of Nautilus, for visiting them quicker. Nautilus can consume a lot of memory, when it has been kept open for long and there ...
0
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1answer
85 views

What is the difference between ~ and / in paths [duplicate]

When I first log in to Unix on my Mac, I usually see a ~ after my username in the command line. However, if I look at the apps contained in that directory ~/Applications they are not all of my ...
1
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1answer
327 views

sudo chown -R $USER:admin /usr/local - revert back to ROOT?

On OS X, but may also apply to *NIX. This question was asked/answered previously, and I know it's safe to chown on /usr/local for my admin user account, which I've done to install git with homebrew ...
0
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1answer
33 views

Where is <libraryname>.pc?

When installing a library with configure, make and make install, does make install copy <libraryname>.pc to some place? If yes: Where is it? If no: Should we copy it somewhere rather than ...
2
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3answers
331 views

Is this command safe to run from / as root

find . * -depth -print0 | xargs -0 rmdir It finds and removes all empty folders (including hidden ones) recursively. I only tired it on my home folder and a pendrive in Linux PC and it worked but I ...
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3answers
1k views

What are the world writable directories by default?

In a standard Linux filesystem, which of these common directories are world-writable by default? /tmp /etc /var /proc /bin /boot /.... .... Why are they world-writable? Does that pose ...
2
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1answer
160 views

What are files in `/var/crash/`?

I know when a program crashes, some files creating in /var/crash/. But I don't know what these files are! Is that error logs?
5
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1answer
148 views

Strange kind of “stealth” directory on Linux

I am in a Linux machine and am working with a directory that is aptly named "stealth", because it runs and hides! Take a look at this behavior: bash-3.2$ ls /net bash-3.2$ ls -la /net total 4 ...
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3answers
60 views

Where should I place my websites files with multiple vhosts?

If vhosts are enabled, where should I place my website files? /home/aunser/www /var/www/site1, /var/www/site2 /usr/local/website/site1, /usr/local/website/site2 the systems is CentOS 6.x/RHEL ...
2
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1answer
51 views

updatedb for a beginner

The updatedb command, as I understand it, is basically the utility that keeps the mlocate.db database file updated. And it's a good idea to keep it updated regularly. For that matter, I've kept a ...
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1answer
200 views

What are the advantages / disadvantages Linux file hierarchy has in compare to other OSs? [duplicate]

does it make any difference whether a file system hierarchy chooses to sort files by types and put them all under one directory (like all the binaries are under bin) or on the other hand sort them by ...
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3answers
88 views

mysql database no space available

I was restoring a 200 GB database into a newly installed RHEL machine. However, while restoring I ran into no space available issue. Is it possible to change the directory where the databases are ...
27
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1answer
1k views

Why aren't crontabs stored in user home directories?

I'm curious to know: why are crontabs stored in /var rather than in the user's home directories? It makes it a total pain to isolate these files for upgrades but I suspect that there is a logical ...
2
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1answer
86 views

Possible to move boot files?

I just bought an external hard drive that's 1TB. I formatted my laptop and burned Linux to it. The thing is, I also use my hard drive for other things. Can I move these boot files into a custom ...
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4answers
108 views

What code should I use to download and install my script into a user-writable directory in the user's PATH (without requiring sudo)?

Edit: places where I said $HOME/.bin I should have written $HOME/bin or any equivalent is fine. I.E, any user-writable directory that is in the user's PATH. So I have a bash script which I am ...
1
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1answer
75 views

Encrypt my disk but allowing to enter the password with SSH

Can you help me with this problem please? I need encrypt whole disk on Debian 7.5, (it will be work as server) but I need enter encryption password via SSH. So I need encrypt whole disk except primary ...
2
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2answers
46 views

Who should own files shared by a group and where should they go

I am configuring a Linux work station that will be used by a small number of users (20-30). These users will belong to a small set of groups (5-10) with each user belonging to at least one group and ...
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4answers
402 views

How to exclude directories from `ls -R` output?

If ls -aR | grep ":$" returns ./.hiddendir2: ./dir1: ./dir3: ./dir3/.hiddendir4: then how can you update the pattern given to grep so that you only get ./dir1: ./dir3: (note that the last ...
2
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4answers
86 views

Is there a folder accessible to all process and users at all times?

I have a script that gathers debugging info from the running environment and I need to figure out were I can save that info. It may be called anytime: at boot when the system is running at ...
1
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4answers
183 views

Into which directory should I install programs in Linux?

I want to install a program in Linux and run it as a daemon. (Team Speak 3 in this case, but the question is general in nature). There is no package provided, only tarred binaries. Where in directory ...
3
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1answer
79 views

Is there a standards-specified location for user configuration files?

I'm talking about files like ~/.foo found on a user's home dir. I'm working on a program that reads from such a file, and I'd also like to clean up my user root directory if I can. Is there a ...
1
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2answers
179 views

How to know in which partition my application has been installed?

If I run df -h in an Oracle LINUX 5 server, I got below output: $ df -h Filesystem Size Used Avail Use% Mounted on /dev/sda2 12G 8.8G 1.8G 84% / ...
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2answers
121 views

Why does a grep reboot the machine?

On a RHEL 6.5 Desktop, if I use: sudo grep -r foo /* my desktop reboots. Q: Why?? How to debug this? It's the third time my Desktop reboots because of this :D
2
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1answer
30 views

How can I know the default path for log directory?

I am programming in shell scripting, and would like to log results. Is there any way to know what is the default path storage for logfiles in my operating system? I have researched: set | grep ...
3
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2answers
65 views

convention regarding offline temporary data

When writing small utility programs, I sometimes want to keep small amounts of data around between executions, usually for caching purposes, but don't want the program to run as a daemon. Are there ...
1
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1answer
64 views

Where did this copy of my home directory come from?

I was working on a project to control my digital camera using Ubuntu and gphoto2. At one point I noticed a new "~" directory in my project folder, /home/greg/project/~. When I enter this new "~" ...
19
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1answer
716 views

At what point did the /home directory appear?

Originally in Unix, /usr was used for user (home) directories. So if I had a user named alex, my home directory would be /usr/alex. (Interestingly, Plan 9, the successor to Unix, still has user ...
1
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2answers
152 views

Location of Xorg headers on FreeBSD 10

I'm running FreeBSD 10 and I'd like to build dwm. I've installed Xorg using pkg install. Where are the headers located? Maybe I'm just old fashioned but I first looked in /usr/X11R6 ... not there. ...
3
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1answer
369 views

Why does installing to /usr/bin automatically install to /usr/bin/X11?

I am using the command: install ./prog /usr/bin to copy the program to the /usr/bin directory. Doing this automatically installs the prog to /usr/bin/X11. Deleting from /usr/bin also automatically ...
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3answers
102 views

Consistency in default installation directories

I am very new to Linux (Ubuntu 13.10) and having difficulty understanding the file system, particularly with regards to installing applications. In Windows, when I installed an application, it put the ...
4
votes
3answers
3k 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 ...
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1answer
139 views

Deploying my application

When deploying my application under linux, where do I put my libraries, executable and the desktop entry file? And what about other files my program needs? For example background pictures, audio files ...
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3answers
282 views

Where to put wrapper scripts?

I created some scripts for administrative tasks etc, I made them to be independent from environment - every dependency is injected through arguments. However it is annoying to provide to script ...
2
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2answers
85 views

Should my /usr/local/bin be 700 permissions?

I just installed npm and node.js, and I couldn't access npm. And I'm like "why?" and my OS is like "because /usr/local/bin is at 700 permissions" and I'm like "should it really be that way?" ...
3
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1answer
129 views

Redirect home to shared NTFS partition

I've installed windows 7 and linux dualboot. My partitions are: /dev/sda2: UUID="EC328C61328C329E" TYPE="ntfs" /dev/sda3: UUID="800E88610E8851D8" TYPE="ntfs" /dev/sda4: ...
1
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1answer
74 views

Server socket location, startup and monitoring

I'm writing a server on a shared development desktop that moonlights as a server. This is my first attempt at writing a linux server for someone else on a shared box. I'd like to conform to unix ...
2
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2answers
319 views

Directory structure for mounted disks in network storage

I have recently built a small homeserver, that I want to use as a NAS besides other applications like hosting VMs etc. The disk space should be accessible via NFS, SAMBA (and SSHFS), but that's not ...