root is the default administrative account for Unix-based systems. It is comparable to the Administrator account of a Windows system.

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Monitor root commands issued by users

I tried to log the commands issued by the system administrators in our organization and its output using sudo plus the log_output directive as follows on the visudo file Defaults env_reset ...
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2answers
29 views

How to allow all clients access to remote MySQL server? [closed]

So I followed this guide to gain remote access to a MySQL server for my laptop. However, my IP changes and I want to be able to access the server outside my network. How can I allow any client IP ...
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4answers
53 views

Changing the root password

What are the implications of changing the root password? Is there anything that will be affected? I'm using a private shared SSH key - I assume I do not need to change this as it is not tied to the ...
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3answers
283 views

root + crontab : permission denied [duplicate]

I'm using Debian 6, all patched up, but when I try to access crontab as root, I just get a permission denied: root@server:~# crontab -e -bash: /usr/bin/crontab: Permission denied Please note this ...
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1answer
27 views

Automysqlbackup - dumped files have wrong permissions

This question has been askewd here. But it was not answered. I just got a 3rd server and on all 3 servers I use Automysqlbackup script to create MySQL backups. I do it with cronjob: 52 04 * * * ...
0
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1answer
78 views

Postfix relay for gmail sending as root

I've configured postfix to relay gmail (google apps) but the emails are sending as root@mydomain instead of admin@mydomain as (I believe) I've configured. I think the config is ok because I'm not ...
0
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1answer
66 views

Single user mode boot stuck

I have an old Ubuntu box with an unknown root password. It boots fine in regular mode, but it gets stuck when booting to single user mode: For searchability, the last few lines are: Begin: Running ...
0
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1answer
43 views

Root overwrite permission to user

Our developers WinSCP/Putty and have a dev user on our web-server. The site directory they are working on is owned by apache, that restricts them to overwrite files through FTP/SFTP as dev. I have ...
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0answers
23 views

.pgpass other system user as in file

i have a working script with a working .pgpass file. Now i want to run the script as root with the same(copy) .pgpass file. I copied the file in the $HOME directory from root. And changed permission ...
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1answer
40 views

How to distribute root files with expect?

I've recently learned how great expect is, now that I'm suddenly responsible for managing 150 VMs. I've been using it to distribute config files to remote servers, but there's got to be a better way ...
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3answers
159 views

Security policy: servers without root/administrator password

I am considering running public web and application servers with blank root/Administrator passwords, and I'm wondering whether this might be a bad policy. I see several advantages of having no ...
41
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3answers
3k views

nice sudo or sudo nice?

is there any difference between running an intensive task over sudo with the following commands?: nice sudo [intensive command here] sudo nice [intensive command here] BTW this is for Linux 3.x.
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1answer
139 views

Extend root logical volume for VM with Oracle Linux of VMWare

Please make me sure did I wrong thing, or not. I'm resizing the root partition which is under the LVM. This server is a VMWare's virtual machine with Oracle Linux. I'm using this article: ...
2
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1answer
1k views

Ansible ssh as user and execute has root (expect like)

I have to administer an important number of hosts where there is only one user able to access from SSH (let's call him foo) and then have to login as root to execute privilegied commands. Foo user ...
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0answers
145 views

EC2 instance with partitions for /boot as ext4 and root / as lvm possible?

I've been playing about with this for a few days now. I haven't managed to find an example of someone running an EC2 instance with the root volume partitioned to have /boot on ext4 (or 3 or 2) and ...
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0answers
35 views

UserDir is disabled yet server still responds differently to /~root

Using CentOS 6.5 I am trying to completely disable User Dir functionality so that /~ will not work at all. My httpd.config UserDir disabled and #UserDir public_html And also commented out ...
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votes
1answer
39 views

chowned root directory recursive [duplicate]

accidently I did "chown -R www-data:www-data /" (I wanted to chown current directory). Is the only good way now to set the system up again from beginning? waaaah -.- Thanks
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votes
1answer
154 views

Why I am not able to ssh as root?

I am two servers A and B under the same firewall. I can login from server A to B using root account but I cannot login from B to A. My ssh keys are properly configured but I am not able to figure our ...
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0answers
168 views

Kerberos, .k5login and sudo

Background: I am using a Debian 7 system which I have integrated with an LDAP+Kerberos system using libnss-ldap, libpam-krb5 and nscd. I have modified sudoers to permit an LDAP group the right to sudo ...
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1answer
94 views

unable to open KVM when trying to VNC

I am trying to open a KVM session after connecting to the remote host through VNC Scenario: Server: 192.184.148.52 having a VNC server running at 192.184.148.52:2 with XYZ username and has a KVM ...
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votes
2answers
843 views

Set up Ubuntu FTP with root access to whole server

I've been trying to set up Ubuntu 12.10 with FTP to give the A user access to read/write any file on the server. I understand some people discourage root access for this, but at this stage I am more ...
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3answers
93 views

What's the best way to mitigate NFS and sudo?

Quick background: We have 40 workstations running Linux. NFS is used extensively for bulk data storage and home directories. This allows users to roam freely will relatively transparent file ...
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1answer
189 views

Setting enviromental variables for login shells under root account in FreeBSD

I am currently in the process of configuring Open Grid Scheduler in FreeBSD. As part of this process I need to set the environmental variableSGE_ROOTas root. To do this I have been experimenting with ...
2
votes
1answer
548 views

How do I “sudo -i” specific command

I need to run important_script.sh as with sudo -i without password. If I have in sudoers: apache ALL = (root) NOPASSWD: /blah/important_script.sh and run "sudo /blah/important_script.sh" I can ...
2
votes
1answer
108 views

How to recover root password?

I have a FreeBSD box which I forgot the root password to. I do have physical access, so I can reboot the box if I need to. How do I reset my password?
2
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1answer
539 views

Permission denied for root to change inotify max_user_watches, how solve this?

As root in a CentOs 6.4 server I got this error in an application: Fri May 16 01:45:23 2014 Error: Terminating since out of inotify watches. Consider increasing /proc/sys/fs/inotify/max_user_watches ...
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vote
1answer
60 views

How to change protected config files via web/php interface?

I'm looking for way to modify configuration file that resides below /etc directory via web (in particular case PHP) interface. While it's not a problem to read (if you set up file permissions ...
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3answers
245 views

FreeIPA: prevent local root accessing user accounts

So after asking this question, I've been test-driving FreeIPA as a central authentication source. Managing access to multiple linux system One problem I ran into is that if a user is given local root ...
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1answer
141 views

www-data root permission is a vulnerable on server? [closed]

Is a vulnerable on server If I give root permission www-data user that uses apache, because needed to add users in Linux through web interface?
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0answers
1k views

ProFTPd unable to seteuid

i'm trying to figure out this problem: 2014-04-07 14:00:58,628 srv proftpd[10143] srv (pfsense.localdomain[192.168.0.1]): FTP session opened. 2014-04-07 14:01:13,779 srv proftpd[10091] srv ...
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votes
1answer
67 views

User with “root” privileges can't actually see all folders [closed]

There is this problem with my newly created user with "root" privilages in my web server Ubuntu LTS 12.04 . I follow the rule: adduser newuser usermod -a -G sudo newuser then I add in visudo # ...
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votes
1answer
324 views

Linux server is usually refusing root ssh/sftp connections; how to fix?

A friend approached me about what appeared initially to be a Wordpress issue on a blog hosted on a Linux box; Wordpress was not upgrading XYZ at first attempt. I tried to get some diagnostics and ...
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0answers
73 views

Solaris /etc/xdg/autostart root script pam_authenticate conversion failure

Im running SOL11.1 and have setup a desktop file to run in /etc/xdg/autostart this calls a main script which calls other scripts. The regular commands work. But the sudo commands doesn't seem to ...
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2answers
777 views

Root is not allowed to grant privileges on a MySQL database

I have a MySQL database and I am not able to grant permissions to users on newly created databases when logging in as root. mysql> create database test1; Query OK, 1 row affected (0.00 sec) ...
0
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1answer
43 views

Local file server needs root access to change permissions

The previous developers set up a local Linux file server (FreeNAS 8.1) and while we can log in through the username they provided we do not have root access so we can not change permissions or do ...
2
votes
4answers
134 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 ...
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1answer
122 views

Why can a local root turn into any LDAP user?

I know this has been asked here before, but I am not satisfied with the answers and don't know if it's ok to revive and hijack an older question. We have workstations that authenticate users on an ...
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votes
3answers
110 views

Which directories in Linux must be part of the root filesystem?

I'm building a few virtual machines under KVM where the base system will be an image (haven't decided specifically which format yet), and all of the remaining system files will be other partitions ...
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0answers
130 views

Root denied login if networking down (LDAP environment)

I would like to know why I can't login as root (ssh, sudo or su -) when my LDAP is down or when I have some outage in my network. How to reproduce the problem: - Just change your DNS to something ...
1
vote
2answers
354 views

Changed SSH default port and disabled root login. Client didn't save the new port can't login/connect to it now

Working on my centos server. Connecting via putty. Changed SSH default port and disabled root login. But the client didn't save the new port and defaulted back to 22 (my new one was 42650 or something ...
2
votes
3answers
219 views

Disabled root login for SSH in Centos 5.9, key login no longer working

I have a Centos 5.9 server which I have previously configured to access via SSH key login and this has been working fine for many months. I recently had to have an issue resolved remotely which ...
0
votes
1answer
88 views

sudo su in screen — security issue?

Just logged back into a server and reconnected to an existing screen using screen -R. I had completely forgotten that I'd used sudo su - earlier and had not exited afterwards, so when I reconnected ...
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vote
3answers
85 views

Create mysql database and user with only system root privileges but not mysql root privileges

I have been granted root privileges to a server for a class project. I need to create mysql databases and users. I without tracking down the right people at the university do not have mysql root ...
0
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3answers
2k views

root cannot access user's home folder shared via NFS

We have a local server that exports an NFS share, used as parent directory for Linux home folders in the network. The users authenticate via LDAP (running on the same server). Authentication works ...
0
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0answers
294 views

Pam password policy not working for root

I was following this guide (http://xmodulo.com/2013/12/set-password-policy-linux.html) for setting up pam and password for policy for CentOS. Everything works great except the root or any user's ...
1
vote
1answer
68 views

recovering from a plaintext password in usermod -p

My small office's server was under attack yesterday and today and apparently the hacker gained access through a weak password (i.e. I am to blame entirely). The moment I noticed this, I fysically ...
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2answers
4k views

Allow linux root user mysql root access without password

On cPanel when I am logged in as root and type "mysql" without hostname and password it gives me direct access to mysql root user. I would like to do this for one of my non-cpanel server where the ...
1
vote
1answer
285 views

Can't delete directory as root

i've created a directory for a nodejs app some time ago, called blog. The app was started with forever start app.js, nothing special. Now i tried to delete the entire app with folder, i stoped the ...
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0answers
35 views

Root denied login if networking down (on NIS/YP environment)

My 70+ hosts network (mixed CentOS, Fedora) uses NIS/YP. If networking is working OK, then no major issues occur, normally a trouble-less operation. If connectivity is lost, either by a simple loose ...
0
votes
1answer
92 views

Spawning mongod process using sudo yields two separate mongod processes

I am seeing something weird that I can not figure out: If i run the following command sudo mongod --dbpath /db/database/ --logpath /db/logs/mongodb/mongodb.log & and then do a ps aux I see ...