Permissions are the unix way of controlling access to resources such as files, directories and devices and may be specified for an owner, group, or all users.

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Setting up a shared folder with group: ACL and file creation [duplicate]

I'm very new to ACL, and at the moment I've been trying to set up a shared folder such that any user belonging to a certain group (lets call it "thegroup") can have full access to the folder (which ...
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787 views

RHEL - permanently unmask all sub-folders and files

I'm new to RHEL, and I'm having issues unmasking a collections of directories. I have a folder where content will be generated content from a python script. The subfolders will exists for a period ...
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262 views

mount tmpfs preserve current permissions

I have a directory of a web application cache and this has the permissions 755 (default), and I configured setfacl additional permissions. the problem is that when I restart the system, the ...
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1answer
92 views

Bad to own a directory outside of your home directory?

Some how, can't remember why, I got into the habit of downloading source to the directory /opt, which I chown to my user/group. I have this feeling that it is not a good thing to do. Is there ...
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1answer
1k views

“Permission denied” when writing to /dev/stdout

Why cannot I write to /dev/stdout? I am logged in as the root user, what greater permission could I have? root@ubuntu:/# tcpdump -i 2 -w /dev/stdout tcpdump: /dev/stdout: Permission denied The ...
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136 views

No *shutdown* function in KDE

My base system is Gentoo amd64, up to date. Before the upgrade, I have the shutdown button in the KDE menu. But after the upgrade, this button is gone...I think it is because of the permission ...
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2answers
359 views

Exclude paths that make find complain about permissions

I need to generate a file list from a disk volume. Some of the directories (all hidden directories under the root directory) have strange permissions that causes find to complain. I try to exclude ...
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2answers
3k views

Create user who can only access one directory [duplicate]

I would like to create a user that only has access to one folder and nothing else whatsoever. I have already created a user but he has access to other parts of the system according to corresponding ...
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1answer
3k views

Can edit file as root, but not using sudo

I just faced a really strange situation. I was trying to edit file /usr/lib/thunderbird/thunderbird.sh, which has the following permissions: $ ll /usr/lib/thunderbird/thunderbird.sh -rwxr-xr-x 1 ...
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1answer
102 views

File permissions when mixing command line and server

I have a PHP server which creates folders and files for certain things. I also run supporting code from the command line operating on the same folders and files. The problem is that when running from ...
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1answer
5k views

UNIX: how to change group of read-only file system

I am trying to change the group of a file that I (user123) am an owner of but I am getting an error. It won't let me change the directory permissions, either. It keeps saying the file system is ...
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4k views

Permission denied for user accessing mount

Using root I can mount another Linux share no problem. root@crunchbang:/mnt# mkdir javalib root@crunchbang:/mnt# mount -t cifs //10.1.3.7/javalib ./javalib -o username=guest Root can read/write to ...
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2k views

Cent OS + VSFTP, 553 could not create file, how to allow uploading of files?

I have a ftp server running on Cent OS VM. the goal: public map can be seen by everyone (readonly for anonymous users, write for logged in users) upload map can only be seen by local users logged ...
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2answers
195 views

Log in as one user but authenticate as another

This might be a weird question but I wonder if there are possibilities to this. When I'm configuring a system I prefer to be root so that I don't have to sudo everything. However, the root account is ...
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2answers
2k views

How to change default permissions of files created by a process?

I'm running a game server (unreal tournament 2004) on Centos 6 x86. I use a sh script to start it in a background process. This process (game server) creates different files (demos, logs) and they all ...
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87 views

Permission issue on OpenSuSe 12.3

When running openSUSE 12.3, the updater pops up with mysql/mariadb updates available. Being a trusting person, I always update whenever any update is offered. I have spent the day regretting this ...
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106 views

Root has no permission on virtual console screen devices

Even being root I can't do the following: # cat /dev/vcs1 cat: /dev/vcs1: Operation not permitted And the rights are set correctly: # ls -o /dev/ crw-r--r-- 1 root 7, 1 Aug 5 22:00 vcs1 ...
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File permissions of file when tranferring from Windows to Unix [duplicate]

When I am uploading a file from windows PC to Unix ,the permissions of file are --wxr----t on unix machine , whereas umask is 0022 .I am not able to understand from where is the file getting ...
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174 views

File permissions of file when tranferring from Windows to Unix

When I am uploading a file from windows PC to Unix ,the permissions of file are --wxr----t on unix machine , whereas umask is 0022 .I am not able to understand from where is the file getting ...
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0answers
69 views

LXC: Have rootfs mounted without nosuid

I have the container's rootfs in a volume mounted with the nosuid option. When I start the container, its / mounted is then also mounted nosuid, which breaks programs such as sudo. How can I avoid ...
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1answer
465 views

Can't login to remote debian system with RSA key and ssh.exe from Cygwin

I need to login to a Debian server using ssh.exe from Cygwin. I've generated an RSA key and appended it to the authorized_keys file. Debian is OK, because I was able to use the RSA key using PuTTY ...
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1answer
1k views

How to edit /var/www files using phpstorm?

I want to edit the /var/www files using any editor like phpstorm or eclipse etc, without changing the default user/groups setting for /var/www. Since phpstorm is invoke by a script , I dont know how ...
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1answer
757 views

How do I grant someone else access to my linux server

If you administer a Linux server, what steps do you take to properly grant someone else access? Assuming they will log in over ssh, don't already have an account, and will need root access. ...
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110 views

FS permission scenario

How can I achieve this files & folders permissions scenario: Consider these folder: Folder A: 640 root apache /var/www/A/ Folder www: 640 root apache /var/www/ and this linux user: id user1: ...
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1answer
2k views

Poweroff or Reboot as normal User

To run the command poweroff or reboot one needs to be super user. Is there anyway I can run this as a normal user? I just don't want to sudo and enter my password every time I reboot or power off.
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How to hide someone else's directories from a user?

I have several folders: /home/user1/ -u user1 -G user1 /home/user2/ -u user2 -G user2 /home/user3/ -u user3 -G user3 I created three users user1, user2, user3. Each user has own group. Any user can ...
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1answer
633 views

Allow world access to directory under 0750 directory

I prefer to keep my /home/dotancohen/ directory as permissions 0750. However, I do need Apache to access /home/dotancohen/someProject/public_html/. I know that I could configure the home directory as ...
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222 views

Can't unlock a file for path change

I'm trying to order the path entries on my mac, but it seems that my /etc/paths file is Locked. I tried the instructions on this link, but I can't save the file as it is locked. I even tried chflags ...
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539 views

halt, poweroff, shutdown, reboot don't require root?

For some reason, I can run halt, poweroff, shutdown, and reboot as a regular user without root. How can I fix this? Is it something to do with user groups, or is it a seting somewhere?
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80 views

Privileges on Linux?

In Linux, I had created a userid. After creating this, I encountered a problem that the .EXE Files are not opened on simple click. They seem to be not privileged for my user account. How can I ...
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1answer
661 views

Permissions in Ext4 Truecrypt Drive

I just used the Truecrypt GUI to encrypt my entire USB hard drive (currently /dev/sdb). I formatted it to ext4. Now, I can mount it in my home directory with the command truecrypt --mount ...
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2k views

Set default permisson for newly folders and files in Linux

I'm using OpenSuSE and my computer has only 2 accounts: root and me.I have a directory /srv/www/htdocs/abc. I just want to set it up so that when new folders or files are created in this directory ...
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1k views

How can I access the log via a php script?

I have a statistics-file on my apache server on /var/www/vhosts/test/statistics/logs/access_log I tried using echo system('cat /var/www/vhosts/test/statistics/logs/access_log'); in a php ...
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8answers
12k views

How to chmod without /usr/bin/chmod?

Today I was told a tale by a Unix trainer, a tale where the root password got leaked to the students, and one of the fellas removed the execute permission from /usr/bin/chmod itself. How do you ...
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111 views

file has blank permissions on linux server? [closed]

Why would several files be empty and have blank permissions? For example, ---------- 1 user user 0 Jun 21 00:50 site.com/html/wfc.php ---------- 1 user user 0 Jun 21 00:50 site.com/html/llre.php
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rsync “Permission denied” despite ownership

I just rsync'd a bunch of files, from a Windows box running cygwin sshd, to a CentOS 6.4 box. I ran rsync -e sshd... on CentOS to do this. Then I plugged in a USB drive on the CentOS box, formatted ...
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168 views

Permission in shmget Linux

I've been searching about 0666 permission in shmget(). I know that 0666 permission will grant read & write permission on the shared memory segment. But, how do I prove it have permission if I ...
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1answer
103 views

Root not affected by file permissions?

Why does this work as root? # touch test1 # chmod 000 ./test1 # echo "test" > ./test1 I take it root is not affected by file permissions?
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1answer
49 views

Solaris/OpenIndiana: Good documentation for permission-mechanism - roles, profiles and auths?

Are there any good documentation, HOWTOs or books (preferably free and online) describing the permission-mechanism for Solaris/OpenIndiana? How auths, profiles, roles, projects, groups and users ...
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1answer
185 views

Solaris/OpenIndiana: Password for roles?

I've been gently experimenting with roles in Solaris, and wonder a bit about setting a password for it. I want the role I've created to be used by several users, so setting password to the same as ...
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1answer
5k views

Can't start Tomcat on Ubuntu

I installed Tomcat on Ubuntu. Then I created a new user. Then did: liferay@web-svr:~/liferay-portal-6.1.1-ce-ga2/tomcat-7.0.27/bin$ chmod +x *.sh Afterwards, I added JAVA_HOME and PATH in bash like ...
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35 views

Ubuntu directory permissions - Sticky bit - Prevent deletion of a file [duplicate]

I have a database called oss-pwds.kdb located in a folder /keepassx. This is a password database that I use with the KeePassX software. I want to allow all members of the "oss" group to open and ...
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2answers
125 views

How to have a pop-up window for password appear when opening application?

We have build wireshark adding some functionality related to our use, in Scientific Linux 6 system. After this when I start this using normal user, it will not allow me to use the network interface. ...
3
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1answer
190 views

How to create a user with minimalistic permissions on OpenBSD?

I want to run the webbrowser (xxxterm) with a different user (XY) on an OpenBSD Desktop (different user from the one I use daily). I will reach the Browser with ssh -X in the local machine (or are ...
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316 views

Will there be any security problem to permit non-root user set up a loopback devices?

if the user has full access to the image file (iso or disk image), will there be any security problem to permit him set up a loopback device backed by this file ? % ls -al /dev/loop* ...
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2answers
727 views

Which systems do not honor socket read/write permissions?

man 7 unix on Linux states: In the Linux implementation, sockets which are visible in the file system honor the permissions of the directory they are in. Their owner, group and their ...
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4k views

Mate desktop breaks with no panels and tens of caja windows on user switching?

I'm using Sabayon GNU/Linux with Mate-Desktop. I have my computer set up for multiple users so my girlfriend and the kids can use it too. ~ $ uname -a Linux 3.9.0-sabayon #1 SMP Thu Jun 27 07:53:45 ...
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368 views

MacOsx - Shell - list all .php files and their octal permissions, inside a specifc folder

is it possible to list all the ".php" files located into a direcotry and their octal permissions? I would like to list them like this: 775 /folder/file.php 644 /folder/asd/file2.php etc...
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0answers
3k views

Permission denied when Ubuntu is attempting to mount to a remote Windows share folder

Fellow guys, I encountered the error when I's mounting my Ubuntu server to a remote Windows share folder, the following is the error on terminal after I typed command line 'mount -a': mount ...
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4answers
488 views

Why is that when I download a binary from the web it doesn't have executable permissions set, but when I use gcc to build a binary it does?

For example, if I have the file hello.c which just contains: int main() { printf("Hello world"); return 0; } and I built it in gcc with gcc hello.c -o hello I can then run ./hello and it ...