Ubuntu is a desktop and server operating system based on Debian GNU/Linux. Note that http://askubuntu.com is specifically dedicated to Ubuntu questions.

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How to completely remove EnterpriseDB Installation of Postgresql on Ubuntu?

All, I'm trying to install/run PostgreSQL 9.3, but am receiving a multitude of errors which seem to point to a failed installation of postgresql from the enterpriseDB package. For example, trying to ...
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4answers
2k views

MySQL gives me:“Can't open and lock privilege tables: Table 'host' is read only”

I am facing problem restoring a MySQL database. My primary database was MySQL 5.1 and now I am trying to copy it to MySQL 5.5. The database was backed up by using Xtrabackup. I am using Ubuntu ...
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1answer
367 views

Mysql update table using ubuntu terminal

I have a CSV file that has 2 columns Name Email I have a table in my database that has the same columns + some extra columns. Now I would like to update my db table using that csv file. I mean ...
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1answer
85 views

Cant get postgresql running on ubuntu 12.04

I ran sudo apt-get install postgresql on ubuntu 12.04. I didnt get a postgresql.config, instead I got a postgresql.config.sample and pg_hba.conf.sample. I renamed these (they installed in ...
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1answer
433 views

upgrade mysql 5.1 to 5.5 on Ubuntu 11.10

I currently have mysql server 5.1 installed via apt-get on my production Ubuntu 11.10 server root@Ubuntu-1110-oneiric-64-minimal$ dpkg --get-selections | grep sql-server mysql-server ...
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2answers
266 views

Installing PostgreSQL 9.2 and PostGIS 2.0 on Ubuntu 12

At the current moment, March 4th 2013, can PostGIS2.0 be install with PostgreSQL 9.2? I checked their website and to my understanding it is not possible... I hope that's not the case. Can anyone ...
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1answer
948 views

libreadline.so.6

when I was installing PostgreSQL from source code I had to install the libreadline.so.6 library. From that moment I can't update my kubuntu system. The error is: Setting up ubuntu-keyring ...
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1answer
2k views

MySql 5.5 in ubuntu repository

Sorry for duplicate question. I am looking for the best way to install mysql 5.5 on ubuntu. So far, there are few options: Installing from tar.gz Installing from PPA. Alien on RPM. All of them ...
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0answers
28 views

MySQL 5.5, Xubuntu 14.04 - INSERT and UPDATE bottleneck

DBAs: I have been developing and maintaining plugins for Moodle for the last ~2 years, and have recently decided to try using my local desktop again, rather than my institutions ESX VMs, as a ...
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1answer
30 views

Good configuration for 2gb (my.cnf) [duplicate]

I'm little newbie in configuring mysql and i seek a good configuration for mysql i have one site in ajax with many query and very slowly with VPS Iam in kimsufi 2gb i run only mysql in vps not apache ...
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0answers
34 views

Optimization mysql very slowly [duplicate]

Hello I have a server in kimsufi 2gb RAM and 500gb storage but the query with php mysql is very slowly I have change innodb buffer pool size to 500M but i have error too many connections, i add max ...
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0answers
17 views

Starting up postgres on Ubuntu for the first time

I've installed postgres on ubuntu, created a node and now I'm trying to start up that node as per the instructions: postgres --coordinator -D /usr/local/pgsql/data -p 1281 But I get the following ...
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0answers
11 views

mysql service failed to start when datadir changein ubuntu

I have dual Operating system on PC, windows 8 and ubuntu 14.0, and I am mostely using ubuntu because my MySql database is hosted on ubuntu. Recently when I am trying to restore my database, which is ...
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0answers
34 views

huge size of /var/lib/postgresql/9.3/main/base/1 directory (postgresql)

i'm using postgresql 9.3.4 and real size of database is about 5.5 GB but POSTGRESQL fill disk about 256 GB !! is this POSTGRESQL Cache and what is method to clean thing issue ?
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0answers
26 views

listen_addresses set to '*' in postgresql.conf disappears every reboot of Ubuntu

I have set listen_addresses to '*' in /etc/postgresql/9.1/main/postgresql.conf and stopped/started Postgres 9.1 with /etc/init.d/postgresql to "reload" configs. This works fine and I can access my ...
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1answer
41 views

Mysql can't write to filesystem

I need to output some queries as csv files. The directory is in the webroot and I want it to be writable by apache too, so I'm trying to add mysql to the www-data group (on Ubuntu). I thought this ...
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1answer
428 views

Authentification failure for PostgreSQL server (9.3)

I can currently not connect to my Postgresql server (9.3) from pgadmin (Running on Ubuntu 14.04). The server according to pg_lsclusters is on port 5433. Ver Cluster Port Status Owner Data ...
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0answers
153 views

TokuDB fails to load in MariaDB, even when transparent hugepages are disabled

Earlier, I upgraded my website server to Ubuntu 14.04 LTS. I had a very nice setup with MariaDB and the TokuDB engine. However, the setup was kind of messed up when TokuDB refused to load properly, ...
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0answers
27 views

Connecting to a remote Postgres 9.1 DB

I am running Postgres 9.1 on Ubuntu. I have host all all my.ip.address/32 md5 set in pg_hba.conf and listen_addresses= '*' set in postgresql.conf. Running show listen_addresses shows '*' Running sudo ...
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2answers
82 views

Large RAM use after import database - ubuntu server

My new vps has 4 GB of RAM. Before importing database system use about 1,2 GB of RAM. When I import database, about 250 MB sql file, 25000 tables use of RAM goes to 97%. Htop showing 3302 mb in cache. ...
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0answers
34 views

MySQL Server constantly crashes

my apologies for having already posted on this issue, but it has moved on so far I feel a new question is the only way to go. First a little history - I have a MySQL server which runs a few small ...
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0answers
24 views

Connecting mysql on server A/ to webapp on server B/

I am connecting mysql on server A/ to a webapp located on server B/. Both servers are Ubuntu servers. For security purposes, is there any way on server B to avoid showing the full path / IP address ...
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0answers
120 views

PostgreSQL problems on Ubuntu 12.04

I'm having terrible problems with PostgreSQL initialization on my VPS. I followed several tutorials on this topic and nothing made my database server work. I followed these steps: sudo apt-get ...
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1answer
238 views

Recover an Innodb mysql database from an EBS on Ec2

My instance crashed on AWs, and i had to create a new one and mount my Vol that contain my web application and the Mysql Database. After i stoped the Mysql Server i mounted the vol and also mounted ...
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1answer
89 views

MySQL crashes daily on VPS with Ubuntu Server 12.04 - How can I find the error or conflict?

Every day for the past four days, my website server crashes at least once. (Error establishing database connection. As long as I catch it, I simply have to do the following command: sudo ...
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0answers
9 views

Multiple requests shut down MySQL [duplicate]

I have some problems with my MySQL database. I configured a server with the database and other services (apache, php) and put run multiple applications. There are two problems: Every day at the ...
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votes
2answers
218 views

Warning before issuing delete/update command in mysql/oracle , then executes

Is there any utility , function either in mysql /oracle that if i issue some delete/update command wrongly , a message must prompt at command_line* (if possible in ubuntu) asking whether "you sure to ...
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0answers
64 views

MySQL overtaking system memory and forced to restart

I'm facing a frustrating issue. I have a MySQL Server 5.5 running on top of Ubuntu Server 12.04.3 LTS (VMWare guest w/ 16GB RAM - 8 Cores) mysqltuner.pl says [OK] Maximum possible memory usage: ...
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1answer
1k views

PostgreSQL cannot start after replacing contents inside its Data folder

When recovering the Postgresql database from a hacked Ubuntu 12.04 server, I copied the data directory to another location, reinstalled the OS and PostgreSQL, stopped PostgreSQL service, removed the ...
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2answers
961 views

Freeware GUI tool for DB2 , usable in Ubuntu Linux [closed]

Are there any freeware user interface tools for DB2 to be used in Linux (Ubuntu 11.04)? RazorSQL is pretty good, but it's not freeware.
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3answers
839 views

How do I install postgresql in Ubuntu?

I'm following these instructions, however I can only get to step 17.2. Despite installing postgresql successfully via the sudo apt-get install postgresql command, upon running initdb -D ...
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votes
1answer
57 views

MySQL ran out of space, now won't start

So the partition MySQL was mounted on ran out of space. As a quick fix, I decided to move mysql's data directory to /home/minecraft/mysql/. I then changed the datadir in the config to the correcy ...