Linked Questions

1 vote
1 answer
1k views

My ubuntu default permissions suddenly changed from 644 to 664?

My ubuntu default permissions suddenly changed from 644 to 664? Usually, I am familiar with the permissions 644 and 755 for files and directories respectively. But now when I create a new dir or a new ...
Example person's user avatar
0 votes
0 answers
64 views

umask (octal form) and umask -S (symbolic form) outputs are different. why? [duplicate]

Related to file and directory permissions and umask: Why the command umask (shows the octal form) and umask -S (shows the symbolic form) show different (actually the option -S shows the bits negations ...
YAZ84's user avatar
  • 1
0 votes
2 answers
401 views

What are the consequences after accidentally executing umask 077 in folder /etc/apt

I accidentally executed umask 077 while in the folder /etc/apt. What are the consequences of this? Could I have broken something? How can I undo it?
jayden's user avatar
  • 31
1 vote
2 answers
33k views

How do I use chmod to make .sh files executable? [duplicate]

My touch overlay is failing to respond in portrait but in landscape I got to a page where I am able to rotate touch input so that it can work in portrait (using this advice on Ubuntu Forums), so I ...
Kayz5ive's user avatar
11 votes
0 answers
563 views

What is the difference between "chmod +x" and "chmod a+x"? [duplicate]

What is the difference between chmod +x and chmod a+x? I know both of these commands make a file executable but what is the difference between these two commands?
Ravexina's user avatar
  • 55.7k
12 votes
5 answers
141k views

Modify permissions to -rwxr-xr-x [duplicate]

I need some help with a homework problem to modify a file's permissions. It wants it to be -rwxr-xr-x? Not sure how to make the user permissions. Thank you.
Rich's user avatar
  • 153
5 votes
6 answers
19k views

NTFS Partition is mounted as read only

It's my first time installing Ubuntu. I deleted Windows and installed Ubuntu 17.04 but there is a problem NTFS Partitions are mounted as read only. What do I need to do?
AbdallhSamy's user avatar
2 votes
1 answer
3k views

Why is UMASK set in /etc/login.defs ignored?

I have set UMASK 077 in /etc/login.defs and there is no override in ~/.profile or ~/.bashrc. The umask command still prints 0022 in gnome-terminal, but prints 0007 when I log into tty1. Newly created ...
Chandra Sekar's user avatar
2 votes
1 answer
813 views

Creating files when "sudoed" messes up permissions and users

I have some trouble installing some packages I compiled from source. Everything seems to work fine, until I try to actually use the files installed in a global place. It turns out the permisions and ...
Some programmer dude's user avatar
18 votes
5 answers
10k views

How to make /sbin/shutdown, /sbin/reboot etc. require sudo again in 16.04?

For whatever reason, we do no longer need to be root (or using sudo) to run /sbin/shutdown, /sbin/reboot etc. This seems to be because those executables are now symlinks to /bin/systemctl which ...
Byte Commander's user avatar
  • 107k
6 votes
3 answers
17k views

File permission management

I would like to be able to move files downloaded by transmission in the name of my primary user. I added this user to the group debian-transmission, but it is not enough, only the owner has the ...
Gaël Barbin's user avatar
0 votes
1 answer
196 views

Ubuntu users - access to file of different user

I am just messed up with users of Ubuntu. I just have two users of my system: father and son Now I want to have access to all of my son files. But not by using sudo. It must be automaticaly. Now i ...
user3324547's user avatar
8 votes
2 answers
18k views

/opt folder missing in Ubuntu 14.04

I'm trying to install Eclipse "by the book" in /opt, but when trying to access /opt, it seems that /opt directory doesn't exist in Ubuntu 14.04: $ cd /opt/ bash: cd: /opt/: No such file or directory $...
g0lem's user avatar
  • 467
0 votes
1 answer
520 views

Is it possible to get any folder created within a directory is being created with 777 permission? [duplicate]

I have one requirement in which when I create a directory I want to create it with 777 permission. I did all stuff but not able to do this, anybody knows how to do this? Then please share. Suppose I ...
sam's user avatar
  • 11
1 vote
2 answers
3k views

Is there any difference between umask value and chmod value? [duplicate]

I'm using umask in fstab settings. What I know is if i set 755 with chmod, the permission will be rwxr-xr-x. But, when I use umask in fstab with 755 value, permission that i get is ----w--w-. Giving ...
Mas Bagol's user avatar
  • 1,341

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