A widely-used open-source operating system that is particularly popular on servers.

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MySQL 5.1: change datadir variable value in my.cnf

Below is my system configuration: OS: RHEL5 MySQL: 5.1.73 Default datadir=/var/lib/mysql/ But, the above directory has space crunch. So, I decided to change the path. I found /u000 directory has ...
1
vote
1answer
246 views

MongoDB on Raspberry Pi --dbpath not setting

I installed MongoDB using this tutorial. I have tried to set --dbpath in /etc/mongodb.conf like this: dbpath=/path/that/iwant #where to log logpath=/var/log/mongodb/mongodb.log logappend=true ...
1
vote
1answer
218 views

Oracle silent install on Redhat Linux (The Global database name was left blank.)

I am installing Oracle 11g in silent mode using the response file that is in the database/response directory. It is three response files in that directory(i.e. dbca.rsp, db_install.rsp and netca.rsp). ...
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votes
1answer
130 views

How to create and start a PDB for RCU in Oracle 12c

So I've made a fresh install on a virtual machine based on OEL 6.5 x64. All my installs are in /opt/apps I installed a Oracle Database 12c, with the Desktop Version selected (not server), UNICODE ...
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0answers
46 views

Mysql database recovery in linux

Is there anyway to get back database if I deleted database. Is mysql creates temp file which contain temporary data from database and whether I can recover from that Edited: cp my.cnf my.cnf41 mv ...
0
votes
1answer
461 views

configure: error: SQLite3 library not found

I'm getting the below configure error while doing the install the Zabbix reporting tool on Linux. i have tried both Versions(zabbix-2.0.9,zabbix-1.8.17), but getting same issue. Log: checking for ...
0
votes
1answer
328 views

Table is marked as crashed and should be repaired

I have MySQL and Nagios installed Linux PC (Centos5.5) I have wrote some script to fetch the data from Nagios to Mysql DB (Exactly fetch data in Table) The data fetching working properly (confirmed ...
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vote
1answer
139 views

Trouble with installing additional modules on Postgresql 9.1 on ALT-Linux

I'm trying to create extension under postgresql 9.1 (Linux): CREATE EXTENSION pg_trgm; but got error: ERROR: could not open extension control file "/usr/share/pgsql/extension/pg_trgm.control": No ...
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2answers
70 views

Reset of root password not working?

Our previous DBA left and didn't note the root password down, and I've been pressganged into doing part of his job until we can hire someone. So I create a file : /root/mysql.password Inside that ...
2
votes
1answer
32 views

How the sys user gets the sysdba privilege?

I am using oracle 12c on Linux. Using the enterprise manager database express I am looking at the list of privileges and roles for the sys user but I haven’t found the sysdba privilege assigned there. ...
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0answers
9 views

how can I call nzsql or nzload from script without disclosing sensitive password?

I don't see this in the Netezza documentation. We have lots of Linux scripts where we do this: NZ_PASSWD_ENCRYPTED=29TY20T98= NZ_PASSWD_CLEAR=`DecryptFunc $NZ_PASSWD_ENCRYPTED` NzResult=$(nzsql -db ...
6
votes
4answers
6k views

Cannot open table mysql/innodb_index_stats

After a fresh install of XAMPP and import from my linux live db that is working to the windows Dev-stage, I started encountering problems with INSERT. Everything else seems to work well. The errors I ...
0
votes
2answers
235 views

Reading CSV files located on LINUX server and updating the tables in SQL Server Database

I was wondering how do we ingest CSV files located on a Red Hat LINUX server into SQL Server Database Table. I know we can write a Stored Procedure/Bulk Insert to read the files that are located on ...
0
votes
1answer
46 views

Unable to create Central Inventory

I am Traying to install Oracle 11g on my Linux a have alrady config the varible and X-host but can,t able to Create Central Inventory my Central Inventory location is : /u01/app/u0 ** and ...
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2answers
50 views

Oracle sys password lost

I inherited an Oracle DB on Linux Redhat from someone who left the company and didn't tell anyone what the passwords were to the various accounts on the database itself (not Linux), including what he ...
1
vote
0answers
14 views

MySQL Memory & max_connections Performance Tuning

So, our site runs WordPress and in the past few days we have been getting tons of spam comments etc. I believe that we are becoming the victims of some kind of bot army that has been crashing our ...
0
votes
1answer
62 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 ...
1
vote
1answer
60 views

Mongodb replica sets: why does my master server occupy more disk space than my slave?

I have two servers on my replica set. Let's call it the master and the slave, for the purpose of this discussion. The master was the original one, and the slave was replicated from that master. At ...
0
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2answers
69 views

MySQL - prevent OS cache for query

On high load production server I have many sql selects which are unique or re-use will be in hours. I use SQL_NO_CACHE but this queries are still cached with OS cache. Server have 64G ram and used ram ...
0
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2answers
824 views

Mysql Server Login and Permission Deny Error

I have a problem with MySQL server. After upgrading MySQL server from 5.3 to 5.4, I am not able to log-in using my MySQL root password (Yes, I am able to log-in without password!). Also not able to ...
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0answers
22 views

cronjob(script) that sends(mail x) the query co-ordinator SID whenever parallels are invoked in queries

i am a junior dba im looking for help with a shell script that needs to be put in the crontab(which runs every 15min) which sends(via mail x) the query coordinator session id(SID) and other details ...
0
votes
1answer
133 views

Report Builder cannot publish to report server

This is currently in a cloud lab environment. We're not allowed to join any AD domains. We have a linux server (RHEL 6) running MySQL 5.3 and a Windows SQL Server 2012 on Win 2k8 R2. Our laptop is ...
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2answers
3k views

Linux Error: 29: Illegal seek in LSNRCTL for Linux Version 11.2

I'm trying to get Oracle Database 11g Express set up on my server so that it is accessible from the outside. I can talk to the DB locally using SQLPlus, so the database is definitely running. I ...
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3answers
97 views

MySQL: How to avoid case sensitivity in SQL queries when migrate from Windows to Linux?

I have migrated my Database from Windows to Linux server. In many places, query has been written without focusing their cases (uppercase / lowercase). So, these queries are not getting executed and ...
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1answer
47 views

What is the easiest and best way to migrate data from Oracle in Linux Platform to SQL Server in Windows Platform?

I came to know there is a tool called Microsoft SQL Server Migration Assistant v5.3 for Oracle which can be used to convert the Oracle database to Microsoft SQL. But I have Oracle database in Linux ...
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0answers
15 views

Cassandra and cqlsh - “Cassandra unknown” and “CQL spec unknown” [migrated]

I just downloaded Cassandra 1.0.10 and Java 1.6.0_45 on Ubuntu. When I run the command cqlsh on terminal, I get the following output: Connected to Test Cluster at localhost:9160. [cqlsh 2.0.0 | ...
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0answers
24 views

Restore data from MYSQL Bin log

I am trying to restore some data from mysql bin log file. But when it encounter some special characters, query gets break and I am not able to continue after that. Is there any way to handle special ...
0
votes
1answer
27 views

How to update MySQL with CentOS 6 in most unintrusive way - in regard to perl and PHP packages? [closed]

For my few hobby projects (web games + forums) I have been using CentOS 5 (then 6) with Drupal and PostgreSQL plus few custom PHP and Perl scripts written by mysef. Since PostgreSQL version delivered ...
4
votes
1answer
1k views

Oracle Database Enterprise Users & Roles with Microsoft Active Directory?

We have a legacy application and we have full access to source code and platform running it, so virtually any change can be implemented if required. The application is a Java Swing heavy-weight GUI ...
0
votes
1answer
515 views

Proper procedure for migrating a MySQL database to another Debian machine?

I have one server running an older Debian version with MySQL 5.x and a newer Debian server, also running MySQL. I've created a backup of all databases on the first server like so: mysqldump -uuser ...
0
votes
1answer
88 views

Make Oracle backup files available for duplicate

I have a Red Hat Enterprise Linux server with Oracle 10.2.0.5 and a database on it (SID is TNATEST). I have a remote CentOS server with Oracle 10.2.0.5 on it that I want to duplicate TNATEST to. The ...
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vote
2answers
102 views

sqlplus: ORA-01017 logon denied from one host but OK from another

I have a strange behavior for remote sqlplus login to Oracle 11.2 that I cannot explain: 1) I have an Oracle 11.2 server running on a virtual host, say host1 2) I set up another VM, say host2 (CentOS ...
0
votes
2answers
547 views

MongoDB Master and Slave Replication - Windows or Linux

I have recently moved my MS SQL Server Database to MongoDB (2.0) on Windows Server 2008. Its containing 2 databases with following stats. (both databases get around 100 reads/writes per second). These ...
0
votes
2answers
67 views

delete database and configure database options in DBCA greyed out (disabled)

I am using oracle 11g R2 on Linux Redhat 6.3 and created a lot of databases. At that time there was no problem. But currently I am seeing that in DBCA (Database Configuration Assistant) application ...
1
vote
1answer
468 views

MySQL Workbench Cannot start SSH tunnel manager

I don't know why this error is happening when I try to connect by MySQL Workbench. Cannot start SSH tunnel manager. I'm using slackware 14.1 and installed all dependencies. I already installed the ...
0
votes
1answer
620 views

consequences of using “innodb_flush_method = O_DIRECT” without having a battery backed write cache? or on a KVM guest?

Mysql 5.5.29 Innodb- 128GB Ram - 32 cores - Raid 10 SSD. Our server which is a dedicated KVM guest on a 'baremetal' is hosting our heavy read-write DB server. Everything is file-per-table. ...
0
votes
1answer
30 views

Can a connection's prepared statements be altered by Postgres's admin functionality? [closed]

I am trying to tamper proof as best as possible a peer to peer application. I am concerned that the prepared statements will be altered. Can the Postgres admin alter a connection's prepared ...
0
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0answers
15 views

sqlplus: ORA-01017 logon denied from one host but OK from another [duplicate]

I have a strange behavior for remote sqlplus login to Oracle 11.2 that I cannot explain: 1) I have an Oracle 11.2 server running on a virtual host, say host1 2) I set up another VM, say host2 (CentOS ...
2
votes
1answer
202 views

Can I execute an external process via MySQL on table change?

When using triggers, if an update is done to a table then a trigger is executed. This is very convenient. But what I would need is to execute an external script. Is it possible to configure MySQL ...
0
votes
1answer
2k views

Database creation on Linux with dbca: “command not found”

I have installed an Oracle on my machine. When I open a session with VNCServer and type dbca, either as root or as oracle, I get these errors: -bash : -dbca : Command Not found Xlib: connection to ...
0
votes
1answer
20 views

Why mongo write only one partition

The /dev/mapper/vg_db1-lv_root partition used 100%,but the other partition is free,why mongodb store data only use this partition. This is why? How can I solve this problem? [root@db1 shard11]# df ...
0
votes
3answers
30 views

Last mysql reboot

Is there a way to check the last restart of mysql server, in global variables or something else ? System : redhat Logging : not activated
2
votes
1answer
25 views

Purge mysql and it's configuration completely from MAC.

I, by mistake messed up with mysql's only user and the situation is I can't create new user or give more privileges to existing one. Access denied is the error. Only visible db is info Schema So I ...
3
votes
2answers
476 views

DB2 (LUW) equivalent for Oracle “drop user cascade”

This question is related to creating and initialising test and development databases for an application that has the database running on LUW (linux-unix-windows) On oracle, we have an os user (on ...
0
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0answers
44 views

Mongodb is taking up 7GB of hard drive space on VM, how do I fix?

I am running Debian on a VM. I installed mongodb and it is taking up A LOT of space. It is really slowing me down in college, with work and projects ... etc. I have a disk usage analyzer and I've ...
0
votes
1answer
45 views

Is it possible to uninsall MySQL-5.6 and install MySQL-5.1 on RHEL 5

I have installed MySQL-5.6.x community edition on RHEL5. It was running fine. Since, it is my testing server. To find the differences in execution timing, I have to install the MySQL-5.1 community ...
0
votes
1answer
18 views

How to disable HTML output in mysql console?

I've used several mysql instances on many servers, but this one had a suprise for me tonight when I tried to use its console for the first time : me@MYSERVER:~$ mysql -H my_base (....) (...) Server ...
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vote
2answers
40 views

PostgreSQL/ Linux, way to have DNS forward to a port/cluster?

Aws linux(centos) ec2 Host: mydb. 10.10.10.10. 3 clusters: ports 5432, 5433, 5434 What I'd like to see is: db2.mydb or mydb/db2 connect/fwd to cluster2 (5433). Anything Linux or psql come to mind? ...
0
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0answers
10 views

Problems with PostgreSQL and ESRI Geoportal Installation on CentOS

I am installing geoportal 1.2.4 on CentOS from the command line terminal...during my installation I am receiving a fatal ident error message for my user geoportal. The pg_hba.conf file has been ...
0
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2answers
68 views

Getting error while running dbca command as oracle user on linux, please help me on this

could someone please help me on the below error to get ride of it: [oracle@localhost ~]$ dbca UnsatisfiedLinkError exception loading native library: njni11 java.lang.UnsatisfiedLinkError: ...