sudo - Execute a command with superuser privileges.

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-1
votes
1answer
270 views

Why sudo ./bin/mysqld_safe & on Mac OS X 10.6.8 doesn't ask for password?

I get the following permissions from terminal: $ cd /usr/local/mysql $ ls -l drwxr-xr-x 41 root wheel 1394 29 Apr 00:55 bin drwxr-xr-x 4 root wheel 136 29 Apr 00:55 docs ...
4
votes
2answers
4k views

I'm not getting privileges, edited /etc/sudoers [duplicate]

I want to run any program without asking root password. Because I'm the only person who use the system. So I googled and edited /etc/sudoers. What I did: # chmod 640 /etc/sudoers # vim /etc/sudoers ...
6
votes
2answers
2k views

System Crontab or Root Crontab

System crontab: /etc/crontab Root crontab: sudo crontab -u root -e Which way is preferred? As they all run tasks within administration privilege.
0
votes
1answer
141 views

Can't simulate initial login using sudo

$ sudo -iu cyrus sudo: unable to change directory to /srv/cyrus: Permission denied sudo: unable to execute /bin/zsh: Permission denied I don't understand why I would get permission denied for ...
4
votes
2answers
196 views

User created without a password behaves as if he had one

Inside one of my scripts, I created an user based on a directory arrangement on another machine. The thing is that this user, created without a password, behaves just as he had one : he has sudo ...
1
vote
2answers
3k views

How to execute changes on remote server as root?

I'm wondering if there is a way to execute a script/commands from the the local machine without making any modifications as root on the remote machine? Some background I'm trying to setup some tasks ...
2
votes
2answers
305 views

How does sudo really work? [duplicate]

This question might be stupid, but I am unable to answer it myself. I always thought that "sudo" just starts another login-process, specifically using "root" as a username and asking for the Password ...
3
votes
0answers
178 views

Why sudo won't remember my password?

I use sudo in many systems, but I have one of them that makes me type my password each time I run sudo. All the others remember it for a while. This is debian 7.4 wheezy and sudo 1.8.5 I found this : ...
0
votes
1answer
193 views

Directory locked! [closed]

I have been trying to install virtualbox using this command: sudo apt-get install virtualbox.qt But I am getting this error: E: Unable to lock directory /var/cache/apt/archives/ I have been ...
1
vote
0answers
44 views

Passwordless sudo not working [duplicate]

I am trying to setup my server so that I can restart Apache as userx without having to enter a sudo password. However when I logon as userx and run sudo /usr/sbin/service apache2 restart it asks me ...
6
votes
1answer
119 views

Send only one warning when the private key is not available

For added security, I would like to require a private key to use sudo on my Ubuntu Server box. I've added private key authentication for sudo as described at ...
4
votes
1answer
341 views

How can I add sudo permission for copying? [duplicate]

my sudoers file: cat /etc/sudoers ... USERHERE ALL = NOPASSWD: /bin/cp /home/USERHERE/foo/in.csv /home/anotheruser/in.csv ... it looks OK too: USERHERE@notebook:~/foo$ sudo -l Matching Defaults ...
2
votes
3answers
905 views

Run nvm (bash function) via sudo

I want to write a init script that should basically run nvm use v0.11.12 && forever start /srv/index.js as the user webconfig. nvm is a shell function that is declared in ...
4
votes
1answer
1k views

System environment variables not appearing in sudo

I have the following line my /etc/environment file: BROKER_URL=tcp://xxx.30.8.163:61616 I run this and get: $ set|grep BROKER_URL BROKER_URL=tcp://xxx.30.8.163:61616 Then, I run: $ sudo bash # ...
-2
votes
1answer
1k views

Need to run su command If I am a user with sudo access

I am a user in Oracle Linux server with sudo access. If I run su command, system prompts for password. When I input my account password, system gives message Incorrect password while I login ...
4
votes
2answers
1k views

Process substitution from curl to bash as root

I'm trying to run a script from URL as root with this command: sudo bash <(curl -s http://copy.com/gLVZIqUubzcS/popcorn) But I'm getting this error: bash: /dev/fd/63: Aucun fichier ou dossier ...
5
votes
1answer
1k views

Writing raw images safely to USB sticks

Trying lots of different linux, on all kinds of hardware I find my self typing commands like this quite often: sudo dd if=xubuntu-13.10-desktop-amd64.iso of=/dev/sdc bs=10240 Needless to say, ...
1
vote
2answers
1k views

How to edit /etc/hosts without sudo?

I have a machine that I can only access using SSH. I was messing with the hostnames, and now it says: ssh: unable to resolve hostname I know how to fix it in /etc/hosts. Problem is, I need sudo ...
1
vote
2answers
411 views

Grant account permission to check service status

I've created a new account svchk and via visudo granted it permission to run the following command /sbin/service postfix status: Cmnd_Alias POSTFIXCMDS = /sbin/service postfix status svchk ALL = ...
0
votes
4answers
504 views

How to know user type in LINUX machine

My account has been created on a LINUX machine. But, I don't know which type of user I am ( root user or normal user) and which type of access I have. Is there any command through which I can check ...
3
votes
1answer
939 views

Copy a local file to a remote server, non-root privileges over sudo?

I'd like to do something like: scp local_file remote_server:/some_directory But in order to gain privileges to /some_directory, we need to call sudo. I know that a similar question had already been ...
2
votes
2answers
118 views

How do I emulate su's behavior with sudo?

I'm trying to make sudo ask for target password, except when run by root. Here's what I do: Defaults:!root targetpw This way it asks for my password, and if I make it like this: Defaults:yuri ...
50
votes
3answers
54k views

Why do I need a tty to run sudo if I can sudo without a password?

I have configured sudo to run without a password, but when I try to ssh 'sudo Foo", I still get sudo: sorry, you must have a tty to run sudo. Why does this happen and how can I work around it?
3
votes
3answers
698 views

What is the best way to add a user to the sudoer group?

So far I have found four different ways to add a user to the sudoers group and not all methods work in all systems. Why so many different implementations? What is the best? What is the standard (i.e. ...
9
votes
4answers
1k views

Sudoers for one day per week?

I have been volunteered by my boss to be the sysadmin for our production redhat server. He asked me to tighten the security to avoid mishaps like rm -f * that occured not long ago. Right now, we ...
3
votes
1answer
177 views

Enable superuser when logged in with another user

Suppose that the machine has two users: Alice (admin) Bob (standard user) While Bob is logged in, how can Alice modify a root file (Bob does not have this permission even with sudo)? Alice tried: ...
0
votes
1answer
132 views

How does this command make a user a sudoer?

According to this DevStack guide, the following commands will give sudo privileges to the stack user: apt-get install sudo -y || yum install -y sudo echo "stack ALL=(ALL) NOPASSWD: ALL" >> ...
0
votes
1answer
485 views

How can I allow a group to execute a command as another user?

I'm conservative about my sudoers policy. I'm trying to allow wheel users to run psql postgres postgres as the postgres user (because when ident that's the only way it works). root ALL=(ALL) ALL ...
0
votes
1answer
1k views

(CentOS-6.5) How to implement GNOME environment privilege escalation like GKSUDO?

How would I implement a GKSUDO -like privilege escalation control on CentOS 6.5 workstations? (standard GNOME config, x86_64 and i386) I do not want to share the root password with users, and some of ...
0
votes
0answers
84 views

Installer tries to run sudo for root access

I downloaded Mac4lin from http://sourceforge.net/projects/mac4lin/ I proceeded by following steps 1.Extracted ZIP file. 2. ./Mac4Lin_Install_v1.0.sh it producing following output [Admin@localhost ...
24
votes
7answers
1k views

Should scripts that require sudo fail if they don't have it, or use sudo and prompt?

I have a script which gives me fine-grained control over my backlight brightness and requires sudo to run. It's essentially this: backlight="/sys/class/backlight/acpi_video0/brightness" echo $1 | tee ...
2
votes
3answers
634 views

proper configuration of visudo NOPASSWD for bash backup script

The abstract question is: If script x calls program y, do I need a NOPASSWD entry in /etc/sudoers for x, y or both x & y? (And can x then call sudo -v without a password?) Details: I'm trying ...
2
votes
2answers
148 views

How can I run setfacl -m group:group2:rwx /dev/video0 /dev/snd/* on login?

Q: How do I grant permissions to /dev/video* and /dev/snd/* to a second user, user2 when logged in interactively as user1? I have written a wrapper for sudo that clones the XAuthority settings, and ...
0
votes
1answer
198 views

Non root user performing root actions without sudo/ SetUID in shell script limitation

If I have a script that does some root actions called /sbin/root_stuff and I wanted user bob to have this script run as his shell when he logs in via SSH, I know I can set his shell to a script that ...
1
vote
0answers
3k views

Trying to kill cron job processes found by “ps ax | grep keyword” logged in as pi user

I'm trying to kill several processes from the command line logged into the pi as the user pi. All of the processes have been started by cronjobs, so they should belong to the root user. I'm running ...
0
votes
1answer
76 views

feeding the password without any terminal window (stdout)

I have a command like this: echo "12345" | sudo abcde where 12345 is supposed to be the root password and abcde a program or a command. I have a shortcut which runs this command. I have tested the ...
1
vote
2answers
498 views

I can not log into Ubuntu 12.04

by ignorance and error I renamed the user_name of the directory /home/, called frank_account (home/frank_account) to sixven(/home/sixven) (using gksudo nautilus). Restarting Ubuntu, I get 3 users: ...
6
votes
2answers
365 views

Sudo changes PATH, yet executes the same binary

There are two Python interpreters installed: [user@localhost ~]$ /usr/bin/python -V && /usr/local/bin/python -V Python 2.4.3 Python 2.7.6 Sudo changes PATH when executed: [user@localhost ...
3
votes
1answer
161 views

program needs to be run as root by any user and can be located anywhere

I have some program called foo that needs root privileges when it executes. foo needs to be able to be run by any user and can be located at any path. The reason this program can be at any path is ...
0
votes
2answers
38 views

How to create a directory which will have access to the user who is installing a package?

I am packaging one of my projects on Debian. The project expects a directory to be created at XDG_DATA_HOME or ~/.local/share/ where the data files will be kept. Now I am trying to create and feed the ...
1
vote
1answer
143 views

How can I find out what options sudo is configured with?

Often when debugging issues with sudo I'll look at the options in the configuration file /etc/sudoers. However it can be difficult to know what options are enabled by default, since they're built into ...
3
votes
2answers
149 views

tee / sudo password cache conflict?

I have a large bash script (Ubuntu 12.04). The script is designed to be invoked by a regular user; only certain commands within the script run with sudo. It is not an option to run the entire script ...
-1
votes
1answer
2k views

How can I run reboot as a normal user without needing to enter a password? [duplicate]

My goal is to use reboot as myusername without entering a password. How can I achieve this? I have read Allowing a user to use sudo without a password and followed the suggestions but it still ...
0
votes
3answers
645 views

Can sudo to user but 'run command as' is denied?

I was wondering how to run a command as another user from a script without password. sudo -l return: (root) NOPASSWD: /bin/su - someuser There is no problem to sudo as someuser. Command sudo su - ...
2
votes
2answers
343 views

disable sudo password prompt for boot script

I've got raspbian installed and need to mount a cifs path after boot is completed. In fstab I got an entry for this with the noauto parameter. When using auto, boot hangs. So in raspbian, the file is ...
6
votes
1answer
4k views

What's the sudo equivalent for FreeBSD?

In pretty much any GNU/Linux distribution you use sudo or su, What's the right choice for FreeBSD 10 ?
1
vote
1answer
110 views

super user group or user?

I am using the following command in Oracle Exadata: sudo su - odiadmin As sudo prompts for my own password, I am wondering if I upgrade myself to super user or do I switch to superuser ...
3
votes
4answers
12k views

How to login as root from Bash and do stuff

This is my simple bash: cat test.sh #!/bin/bash echo "hello" su - root -c /path/to/script.sh <<EOF password EOF whoami echo "good bye" But I get this error: ...
3
votes
1answer
202 views

Some software runs only by root terminal

I'm facing this odd situation here, programs such as gparted, furiusisomount and Rstudio never run by clicking on their icons in the applications menu or by running them with terminal as a normal ...
5
votes
1answer
434 views

sudo testing for credentials

I have a working bash script, that may run from 0 to 8-9 minutes. It requires sudo if it finds a problem and needs to change permissions/ownership on a file. I do not want to wait for the sudo prompt, ...