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Sentora Support Forums › Sentora Forum Archives › Sentora Public Support Forums v1.0.x › General Support Forum v1.0.x v › Critical Error: [0100] - Unable to connect or authenticate to the Sentora database (s

Critical Error: [0100] - Unable to connect or authenticate to the Sentora database (s
deeniz Offline
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#1
Critical Error: [0100] - Unable to connect or authenticate to the Sentora database (s
 03-06-2015, 10:06 AM
I have a problem for this critical error. 10 min ago i create z_admin mysql database and user and then i will use them while i am publishin my wordpress. but now i cannot recieve my panel.

this my panel : http://panel.deeniz.com

which shell codes solve my problem ?
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deeniz Offline
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#2
RE: Critical Error: [0100] - Unable to connect or authenticate to the Sentora database (s
 03-06-2015, 10:15 AM
i solved my problem.

you connect shh via putty and use this code : sudo service mysql start
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Blooddarkness Offline
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#3
RE: Critical Error: [0100] - Unable to connect or authenticate to the Sentora database (s
 03-06-2015, 02:54 PM
That happened when Sentora is using a lot of RAM. It take MySQL memory and MySQL Crash.
If there any other solution?
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Me.B Offline
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#4
RE: Critical Error: [0100] - Unable to connect or authenticate to the Sentora database (s
 03-06-2015, 09:10 PM
(03-06-2015, 02:54 PM)Blooddarkness Wrote: That happened when Sentora is using a lot of RAM. It take MySQL memory and MySQL Crash.
If there any other solution?

sentora don't directly use ram, it's apache/php/mysql stack. If you have ram issues then.... the solution would be to add more ram? 512 MB boxes can't do everything!

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deeniz Offline
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#5
RE: Critical Error: [0100] - Unable to connect or authenticate to the Sentora database (s
 03-06-2015, 11:14 PM
now i have another problem, im using sentora to create database.

i am using digitalocean vps droplet but i can not connect sql page is very slow why it appears i can not understand
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Me.B Offline
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#6
RE: Critical Error: [0100] - Unable to connect or authenticate to the Sentora database (s
 03-07-2015, 12:27 AM
use top to check processes running
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alexus Offline
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#7
RE: Critical Error: [0100] - Unable to connect or authenticate to the Sentora database (s
 04-04-2015, 01:35 PM (This post was last modified: 04-04-2015, 01:36 PM by alexus.)
i have same issue on 0.0.0.0 Beta box, every 5-7 days SQL crashes. No issues with zPanel though so i presume there is relevance to sentora config. also i see that MySQL is replaced with Miranda

Running CentOS 7 x64 1GB Ram
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Ron-e Offline
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#8
RE: Critical Error: [0100] - Unable to connect or authenticate to the Sentora database (s
 04-04-2015, 05:14 PM
(04-04-2015, 01:35 PM)alexus Wrote: i see that MySQL is replaced with Miranda
It's replaced by MariaDB.
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Sentora's development takes way too long, so i'm transitioning to HestiaCP.
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Me.B Offline
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#9
RE: Critical Error: [0100] - Unable to connect or authenticate to the Sentora database (s
 04-04-2015, 07:57 PM
(04-04-2015, 01:35 PM)alexus Wrote: i have same issue on 0.0.0.0 Beta box, every 5-7 days SQL crashes. No issues with zPanel though so i presume there is relevance to sentora config. also i see that MySQL is replaced with Miranda

Running CentOS 7 x64 1GB Ram

MariaDB on centos 7.

Well it would be easy to set a cron that will restart apache/mysql & reset cache daily or each 2 days. That will clean up the server and may limit a lot Mysql crashes ( due to Ram issues). I have that setup.

M B
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alexus Offline
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#10
RE: Critical Error: [0100] - Unable to connect or authenticate to the Sentora database (s
 04-06-2015, 04:55 PM
yep MariaDB Smile which is terrible Smile

Update: i downgraded CentOS7 x64 1GB Ram to CentOS 6.5 x32 512Mb Ram
Now doing stress test and same site not crushing Smile If i keep refreshing Webmin under stress test then web min crashing (as low memory kills its process)

Each user chipped about 12Mb of ram per connection. Dono if thats good or not

Cron job clean up may be good once i figure out problem with SSL
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