MySQL Forgetting User Permissions
Jul 5, 2007
Does anyone know what could be the cause of this issue? I located a few others over at cpanel.net that have this problem, but no solution has been found.
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I am running a VPS server with the following:
WHM 10.8.0 cPanel 10.9.1-S14304
RedHat 9 i686 - WHM X v3.1.0
phpMyAdmin - 2.9.0.2
MySQL client version: 4.1.10
mysql version: 5.0.27-standard
I have a database user that needs "Super Privileges" and so this was done. However, when Cpanel is updated the user permission is reset automatically from "ALL PRIVILEGES" to "USAGE".
Here's a look at the database permissions from phpMyAdmin.
Code:
User Host Password Global privileges Grant
hello localhost Yes ALL PRIVILEGES Yes
hello_ % No ALL PRIVILEGES Yes
hello_ localhost No ALL PRIVILEGES Yes
The user "hello" loses its "ALL PRIVILEGES" and switches over to "USAGE" if an update is triggered. Updates to cpanel, creating/removing a database/user, and updating the account password will cause the switch.
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Jun 29, 2007
I want to use something like PHPBB forums and using one MySQL user and database. Just wondering, what are common user permissions I should set for the user? I want to try to minimize any permissions that can cause big risk to the server security.
Here is a full list of permissions I can grant to the user (via Webmin):
-Select table data
-Insert table data
-Update table data
-Delete table data
-Create tables
-Drop tables
-Grant privileges
-Reference operations
-Manage indexes
-Alter tables
-Create temp tables
-Lock tables
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Sep 3, 2007
Is there any safe way to grant command line permissions to a user/specific account? One that only allows them access to databases on their account.
The problem is that this user intermittently runs queries that cause their database to hang (including PHPMyAdmin, so they can't view the processlist through there), and I have to manually kill that process, because they can't.
Server is 2.4.21 with MySQL 4.0.27, admin is cPanel WHM.
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Jan 18, 2009
I have a problem with my rsync backup
First of all my setup is thus:
I have a Linux box at the office which has an rsync cron on it which pulls from my web server as a backup. It pulls websites, mysql, conf files etc.
My web server is running debian etch LAMP etc.
When I originally set it up I used root user to log into the web server, and setup keys to authenticate, this worked perfectly.
I then decided that having direct root access to the web server was a bad thing so I have turned off root login (PermitRootLogin no in sshd_config)
I then setup a backup user which works fine for the website files but fails on permissions for the mysql data files (/var/lib/mysql)
How can I get over this without granting root access to the backup user which would defeat the object of not allowing root access.
I have been told about host authentication based on ip address but I have dynamic address at the office so that would be no good
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Jul 23, 2009
I've finally made the leap to upgrading from shared hosting to a VPS. I'm still setting up my configuration before I point the domain name to my new server, but for now, I have the site mirrored and I'm ensuring that all is running well. For the most part, everything is working, but I am running into a few permission issues...
As of right now, all the files in my htdocs directory are owned by root, and I am logging into my FTP client as root. However, I'm pretty sure that this is not how I should be doing this, because I need to allow write permissions to some folders from my php scripts.
I was just curious, how do you you guys set up the users and groups on your linux servers (running apache). I'm just not certain of the best way to handle it. Should I make a new FTP user, and if so, what group should it go in? Should that user be the owner of all the web files? When is it safe to set folder permissions to 777?
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Apr 19, 2008
I am trying to setup a cronjob but cPanel, (Linux Centos 5), tells me that user/bin/crontab permissions are incorrect and need to be changed to 4755 - I try to change permissions in WinSCP [Properties] but it doesn't 'take'.
how to force a change of permissions with SSH (Putty)
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May 15, 2008
My Pink Floyd website has a photo section of rare concert pictures that our members upload. We have about 3,000 of these pictures, that our members upload via an FTP server that is hosted on a simple cPanel web hosting account. Someone logged into the account and not only deleted all the pictures, but uploaded obscene pictures and index.html files to some really nasty stuff.
We delete all the obscene stuff, but before we re-upload all the pictures I need to know...
On a cPanel account is there a way to have the FTP User only able to upload files and not edit/delete/change? Somehow we can edit their permission?
I asked HostGator about this and the ChatTech said this cannot be done, and I was a bit surprised. I could easily do this on my own server, but i'm not sure where to start at the user level.
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Jul 2, 2014
I believe the product we are using is Parallels Operations Automation.
We have a customer that we want to be able to give the right to unlock user accounts. The only way to do this seems to be to enable "Billing" as one of the privileges. Unfortunately this gives them more access than we really want to. Is there some trick we can use to give this user only these rights?
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Jan 6, 2015
We have several sites on one server. When I use the plesk wordpress manager it some how updates the User and Group permissions on folders and files with the username apache. How or what command do I run to get it to use the site username and psacln. It appears something maybe in an update or whatever has caused this issue. This only occurs with wordpress and drupal updates from the plesk interface.
What command can I run just to update the permissions to update all users to a username and psacln security settings on folders and directories.Running Plesk 12.0.18 and CentOS7
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May 6, 2015
We cant' modify any files of my website in WordPress that contain user www-data.
How can you can change the permissions to this user (www-data).
The version is Plesk 12.0.18 Actualización #44
We have also Plesk 11.5 with WordPress and never has www-data user.
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Nov 21, 2014
I have just used rsync to backup a dedicated server to a new cloud server. I put the files in a plesk webspace 'Backup' folder for ease of use (gui). In File Manager for that webspace it shows the folder user and group as root, which is obviously correct as rsync maintains users etc?
Thats fine, I just wanted to be able to back them up along with the rest of the server configuration and content.
However, when I run backup it says "For security reasons, backing up is performed on behalf of subscription's system user. This system user has no read access to:" and "So it was not backed up. All other data was backed up successfully. To fix this issue you may grant access read/write to the file or directory for system user "(username)" or "apache"."
I don't know how to give read/write access to the system user? Through file manager there is no option to change permissions.
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Apr 20, 2009
I am using cPanel 11 (stable release) on a CentOS 5 server and would like to make it so that a certain database can only be connected to from the cPanel user that it is under (ie. user1_db can only be connected to from the user "user1" on the same server).
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Nov 13, 2008
31015 100 15 0 151m 35m 5156 S 28 0.4 379:34.10 /usr/sbin/mysqld --basedir=/ --datadir=/var/lib/mysql
This is my top process, I have quad core server and because of this server load is over 10
I am using cPanel, is it possible to trace which user is using all this cpu?
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May 25, 2009
How can see wich user have more mysql process?
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Aug 15, 2008
how to allow user to remote mysql connection from his localhost ( in linux server with WHM )
my user wants to connect to the mysql from his localhost
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Jan 30, 2007
I am trying to start mysql but i am getting the following error
MySQL manager or server PID file could not be found! [FAILED]
Starting MySQL................................... [FAILED]
I checked my hostname.err file in /var/lib/mysql and this is the error message it shows.
070130 17:59:41 mysqld started
070130 17:59:42 [ERROR] /usr/sbin/mysqld: Table './mysql/user' is marked as crashed and should be repaired
070130 17:59:42 [ERROR] /usr/sbin/mysqld: Table './mysql/user' is marked as crashed and should be repaired
070130 17:59:42 [ERROR] Fatal error: Can't open and lock privilege tables: Table './mysql/user' is marked as crashed and should be repaired
070130 17:59:42 mysqld ended
how I would repair that to get mysql to start again?
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Aug 26, 2007
how do i backup mysql user privileges?
this will only backup the databases:
mysqldump --opt -u root -p --all-databases > data.sql
i would like to backup mysql user privileges too.
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Jun 5, 2007
I know about the general log but want to just log queries of a specific user. Our database does 400 queries/s on a slow day, so I think it would be a pain to grep though a huge log like that. And, im not sure if it would cause any preformance issues.
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Aug 7, 2007
By default, mysql will create user with host as 'localhost'. Now, if I want the host is '1.2.3.4' by default, how to configure it?
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Jun 8, 2005
Anyone know the commands to change a MySQL user's password via ssh?
I found stuff for changing the root password, and tried to adapt it for the user, but it didn't work.
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Nov 6, 2008
I never did replication and do not know much about it so I figured I would ask here if anyone knows or has done it before like this.
I have a user who wants me to enable replication on my server for his user. I dont like the sounds of it on a shared environment but if there is no risk to other users and its not a big resource hog I will do it. Anyway, from what I gather I have to:
1. execute:
GRANT REPLICATION SLAVE ON user_main.* TO 'repl'@'ip-here' IDENTIFIED BY '4T6WjUZa';
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2. Stop mysql server and Add in my.cnf:
[mysqld]
log-bin=mysql-bin
server-id=1
slave-compressed=1
binlog-do-db=user_main
start server[url]
3. execute:
SHOW MASTER STATUS;
we need values of colomns File and Position from output of above command[url]
So my questions are:
Is there any security risk?
Is there significant extra resource usage?
Is this even done on shared environments?
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Jun 26, 2008
I am using Cpanel. One Cpanel account is backup. I use it to backup my database.
Under mysql, I gave this account ( backup ) many priviledges. But when the backup script ran, error said that backup account can not 'lock table'.
I gave "lock table' priviledge again and run the script, it is ok.
But after a while, when the script ran autmatically on daily basis, it lost the 'lock table' priviledge again.
I wonder if Cpanel is messing me up? What can I do about it? anyone knows?
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Oct 25, 2007
When I deleted a database, the user apparently was orphaned because when I tried to recreate it, it returned "user already exists". I've never encountered that problem although from Googling, I see others have and they delete the user to get around it.
When I log into mysql using the da_admin@ account and attempt to remove the user with drop user <user_name>; I receive the following error message:
ERROR 1227 (42000): Access denied; you need the CREATE USER privilege for this operation
It seems I don't have rights even as the root user. How can I get remove the orphaned user?
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Jul 5, 2007
how check which database / user MySQL overload the server?
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Jul 3, 2014
I'd want to create a user and set custom privileges using the standard mysql-client, ie. create user and grant privileges, but I know that sometimes Plesk overwrites my config files for other services.
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Mar 29, 2009
I am having a very strange problem with 2 different cPanel accounts on a server with 500-600 accounts. For some reason after a day or two the mysql username/password stops working. We have tried changing the MySQL user and the password with no success. The log does not indicate that the MySQL password was changed in any way. Only these 2 accounts are affected and this problem occurred at least half dozen times each.
Again: these are two different accounts with 2 different MySQL users that after a while stop working (I am unable to determine if they stop working at the same time b/c they belong to different customers). When we reset the user (with the same pass) it works for a day or two. I have checked to connect not only from PHP but also from shell when it's down: it also doesn't work so this is a pure MySQL problem.
Also on the server we have Fantastico.
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