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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165 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
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2answers
503 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
244 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
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1answer
107 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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3answers
94 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 ...
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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 ...
1
vote
1answer
75 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 ...
1
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2answers
6k 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
520 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 ...
2
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0answers
42 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
115 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 ...
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votes
2answers
1k views

Write once, read many (WORM) using Linux file system

I have a requirement to write files to a Linux file system that can not be subsequently overwritten, appended to, updated in any way, or deleted. Not by a sudo-er, root, or anybody. I am attempting to ...
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votes
1answer
184 views

MS SQL Express is not enough - whats to do?

I now have my first bigger project of my own. I invested around 500 working hours and the project is done. It's actual ASP.Net with C# and Linq to SQL, the platform is an MS SQL Server 2005 Express ...
0
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1answer
34 views

Can I copy root to the root of another computer? [closed]

On Linux, if I copy the root from linux machine #1 to a fresh install of linux on separate machine #2, will machine #2 contain the exact setup as #1? Or do I -have- to create images of the drive and ...
0
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3answers
72 views

cannot access ROOT account in Ubuntu 10.04 after an UPGRADE using Synaptic Package Manager

I just did an UPGRADE using Synaptic in my HPZ820 machine. Before executing the UPGRADE, Synaptic gave a message that some upgrades were not authenticated and asked if I would like to continue the ...
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1answer
986 views

NFS Share with root for anonuid / anongid

I've exported a share from my server and set anonuid and anongid to be 0 (root). However, when I mount the share on the client, it doesn't appear my settings are working as I'm getting permission ...
2
votes
1answer
68 views

Do you need root access to fully backup a server?

I have an account on a server and I would like to automate backups onto another server, I disabled root logins for security. Do you need root access to fully backup a server?
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vote
1answer
2k views

Disable root login for dropbear? [closed]

Linux noob here. How can I disable root login for dropbear? What I've done so far adding DROPBEAR_EXTRA_ARGS="-w -g" into /etc/default/dropbear (not working) adding DROPBEAR_EXTRA_ARGS="-w -g" into ...
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2answers
2k views

MySQL - Access denied for user 'root'@'localhost' (using password: YES)

I'm pulling my hair out trying to decipher why every time I do a fresh install of mysql on OSX and import a database, the minute I restart the mysql instance I'm prompted with the message: Access ...
0
votes
1answer
740 views

Timeout in locking /.Xauthority

I have google searched and everyone who has this problem has an error in locking /home/user/.Xauthority. The issue is that it is trying to lock /.Xauthority. Obviously there is no .Xauthority in /, ...
2
votes
2answers
2k views

Is it really a bad practice to let « PermitRootLogin yes » on a production server? [closed]

One day (4 years ago), I rebooted my server. After the reboot was complete, I tried to login as usual with my regular (non-root) account. At that time, I had PermitRootLogin no. I got the answer ...
10
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1answer
2k views

AWS - removing ec2-user from sudo list

I'm running a production-level Amazon ec2 instance, and I want to close out root privileges to all users. Normally, when one logs in to the instance as ec2-user, the ec2-user immediately gets sudo ...
0
votes
1answer
258 views

File write error while uploading via FileZilla

I have a user xyz which is able to create files in a directory, but when I try to write something on the newly created file, it fails. The file has proper read-write permissions to the owner i.e. xyz. ...
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1answer
2k views

Accidentally deleted symlink libc.so.6 in CentOS 6.4. How to get sudo privilege to re-create it?

I accidentally deleted the symbol link /lib64/libc.so.6 -> /lib64/libc-2.12.so with $ sudo rm libc.so.6 Then I can not use anything including ls command. The error appears for any command I type ...
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votes
3answers
118 views

Cannot login as root user in ssh [closed]

I create an user with root prevelages in my server. Now i cannot login into the server as root through ssh. Also I cannot access the vi editor through the new user login.
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votes
1answer
37 views

Site Crashing and Restarting again [duplicate]

Hello i got a wordpress site http://www.flippish.com. I have some problems with my server coz it keeps on dying around 1-2 hours after i reboot apache then restarting by itself i think thats its ...
0
votes
3answers
371 views

Security best practice when running process as non-root user

So I'm trying to run Supervisor (http://supervisord.org/) as a non-root user. However the process outputs logs to the /var/log directory which is owned by root and has 755 permissions. Therefore ...
0
votes
1answer
41 views

IIS and root application

Sorry for my bad english :) I am new to Windows Server and is about to set up a website. I go to the IIS and added a new website. Then I add a application to that website. Lets say the application ...
12
votes
11answers
8k views

Best way to go about changing a root password on 3000+ Solaris, AIX, and Linux servers?

Long story short: Big old corporation, lots of UNIX/Linux servers. I inherited responsibility for a bunch of scripts that that left a few years ago. One of them was a script that would be run every ...
-9
votes
1answer
108 views

When I am root, how do I run one command as user “pi”? [closed]

When I am root, how do I run one command as user "pi"? Distribution Wheezy.
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votes
1answer
70 views

visudo changes not taken into account

I added three lines to my sudo configuration, using visudo. User_Alias INSTALLERS = myusername Cmnd_Alias INSTALL_CMDS = /bin/yum, /bin/make INSTALLERS ALL = (root) NOPASSWD:NOEXEC: INSTALL_CMDS ...
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votes
4answers
2k views

The opposite of su: run a command without root privileges

I'm writing a shell script where most commands don't require root privileges. The script should be ran by the administrator. But I would like to be able to "su" to a normal user account for the parts ...
0
votes
1answer
95 views

How to run sudo without Sudo installed

I do not have sudo installed on my machine, but I have a third party program which runs as different user other than root and tries to execute sudo command. Is there a way to enable this program to ...
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votes
3answers
66 views

Root access issue from localhost [closed]

I have a strange root access issue - I'm able to login as root via SSH but I'm not able login to the physical machine via terminal. Some more info: - running CentOS 6.4 - password authentication ...
0
votes
2answers
220 views

How do I resize full root or swap partitions in RAID?

It all began a couple weeks ago: When I try to use vi I get "E297: Write error in swap file $ echo "test" > test produces -bash: echo: write error: No space left on device My bash history is ...
2
votes
3answers
389 views

Why should I never run software as root, yet it is frequently recommended to give an account root-access to run software? [closed]

I am a long time technical professional but 100% of my work has been within a Windows environment. I have a pretty good level of understanding of many of the technical issues such as user account ...
0
votes
1answer
27 views

What do I need to change in /etc/apache2/sites-avaible/default?

As in when I check my website at domain.com to show the configuration of wordpress if it's unzipped cause right now when I check it it shows Index of / and my site is in /wordpress. Thanks for any ...
2
votes
1answer
80 views

Effect Locking a user account with a UID of 0

Currently my organization has in it's linux configuration two accounts with a UID of 0 - Root and Root2. If we were to set a failed login attempts setting for the Root2 account, and the account were ...
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2answers
1k views

How to reset root password CentOS (domU) hosted in Xen?

Need help on resetting root password of a CentOS which is a guess OS (domU) in XEN. I already tried to get to grub but it doesn't display or maybe using a different grub (pygrub). Thanks in advance.
0
votes
2answers
427 views

Lost root access possibility /sbin/nologin [duplicate]

I accidentally edited the file /etc/passwd on my server in the following way: root:x:0:0:root:/root:/sbin/nologin Now I can not login as root. When I enter the su command, Cannot execute ...
0
votes
2answers
398 views

Setting up LVM Volume Groups… hang

My Debian 7 System dosn't boot anymore. The boot stop with a kernel message like thisMy Debian 7 System dosn't boot anymore. The boot stop with a kernel message like this: [.....] Setting up LVM ...
0
votes
1answer
746 views

Allowing root login on sftp while disallowing it over ssh?

For security I only allow a dummy user to log in via SSH on my CentOS 5.8 server, for this I added: AllowUsers dummyaccount When accessing my server I then login with the dummy and use su - to gain ...
1
vote
3answers
149 views

Security advices - ssh root access login

I'd like to have some advices on my case: I have a server with a public ip address. I have a root user with password. I have turn off (in sshd) PermitRootlogin = No Questions/tips/advices: How can ...
5
votes
3answers
201 views

Where I work everybody logs in as root

Where I work now, I am forced to use the root account just like everybody else there does. There are no other users. Not even in the DBs. My seniors explained to me that this is done for convenience's ...
0
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4answers
135 views

Linux utility to monitor for stupid / likely ill-advised commands

sudoing adds a little bit of a roadblock to doing potentially stupid and dangerous things in the Linux shell, but it is a meager deterrent to newer Linux users. Still, many users login as root or have ...
0
votes
1answer
429 views

mount cifs permission denied

Hi I have tried to mount with three ways for all of them I got the same error. 1) sudo chmod 777 /estore sudo mount –t cifs -o user=domain/username%MYPASSWORD,noserverino //domain /estore 2) sudo ...
1
vote
2answers
663 views

automysqlbackup - dumped files permissions

I'm using automysqlbackup, here is the default cron entry created #!/bin/sh test -x /usr/sbin/automysqlbackup && /usr/sbin/automysqlbackup My files are stored here ...
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vote
1answer
233 views

Allow normal user to run PHP script as root using SUDO

How can I allow a normal user on Ubuntu to run php scripts? sudo php /path/to/script/script.php Basically the script needs to be run as root but the users does not have root privileges on their ...
-1
votes
1answer
500 views

Exim spaming errors to log and doesn't send mail to several domains

I have a server with CentOS 5.6 installed on it. It has working mail server of exim + dovecot + mysql + roundcube. My log file /var/log/exim/main.log is already of 3 Gb and continues to grow. It ...
9
votes
4answers
1k views

root full Linux. No free blocks

df -h reports the '/' partition to be 100% full. While running du -hs * on each directory of this partition shows there is still lot of space. tune2efs which reports just one block to be free. Ran ...