Questions tagged [redhat]

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Mysql v5.1/RHEL6 dump to MariaDB v10.3/RHEL7 restore process

I am moving a number of databases from a MySQL 5.1 RHEL6 server to a MariaDB 10.3 RHEL7 server. Do I need to run mysql_update after doing the dump/restore of each DB, or is that just for system tables ...
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1answer
68 views

MongoDB: F CONTROL [main] Failed global initialization: FileNotOpen: Failed to open “/data1/mongodb/log/mongod.log”

I am trying to install mongodb 3.4 on Redhat 7.9. When I start mongodb systemctl start mongod I get the below error FileNotOpen: Failed to open "/data1/mongodb/log/mongod.log, But when I start ...
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0answers
26 views

Checkopenport - DB2 / shell script sample

at DB2 startup we will check, whether the db2 port is in use. In the client DB2 setup we have only one instance / server. the port is always 50020 - for all servers. our idea - netstat -tunlp | grep &...
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1answer
24 views

Importing big MySQL Database

I am trying to import a 6GB database on RHEL7. I have been reading for Here are my main settings in my.cnf: Why downvote? You are just making sure nobody else will help who needs help. Please let me ...
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0answers
15 views

How do I enable pgadmin4 (PostgreSQL12) to read and write files in directories of other Linux Users on RHEL8/CentOS8 [duplicate]

While trying to export a query result set from PGAdmin4 on PostgreSQL12 to a CSV I am encountering the following error: ERROR: could not open file "/home/linuxusername/Downloads/data.csv" ...
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1answer
133 views

Problem installing Oracle 19c to symlinked directory from RPM

I've created destination directory and linked it to default install path: $mkdir /u01/oracle $ln -s /u01/oracle /opt Then I've changed the owner: $sudo chown -R oracle:oinstall /opt/oracle But when ...
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0answers
6 views

How to Fail-over of MYSQL 8.0 on Red Hat Cluster without Application to Re-login & avoiding service interruption

Getting the error after every fail-over test case is run :- host is blocked because of many connection errors . We need to login back again to database and use Flush Host command to allow new ...
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0answers
223 views

SQL Server for Linux 2019 - Windows Authentication not working

Hoping to pick the brains of those more knowledgeable than me. I've been trying to set up a SQL Server 2019 instance on Linux; specifically on AWS using AMI amzn2-x86_64-SQL_2019_Standard-2019.11.12 ...
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0answers
198 views

MySQL8.0 Replication Got Stuck “Applying batch of row changes (delete)”

When I configured Master-Slave replication it was working fine but after five weeks it is showing the following error. *************************** 1. row *************************** ...
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1answer
20 views

SQL Server 2017 on RHEL Linux with IDM for AD authentication

We are using Red Hat IDM to authenticate AD users to SQL Server. Users can login successfully to SQL Server with SSMS and SQL CMD with AD Authentication. But running some elevated commands from SSMS ...
0
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2answers
29 views

COPY Command spawning multiple processes

I have a lengthy data pipeline that imports a CSV, creates a sequence of dependent views and then exports the results using COPY as a CSV. This process had been working fine, completing in around 30-...
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2answers
340 views

Less obvious “The table 'mytable' is full” error

Error in mysqld.log: 2020-02-02T01:17:32.133974Z 3069 [ERROR] /usr/sbin/mysqld: The table 'IS_DUT_IFID' is full None of the many threads I've found about this error have helped me to resolve this ...
0
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1answer
111 views

galera cluster with mariadb 10.3.13 is not replicating on RHEL 8.1

I'm installing a galera cluster using mariadb 10.3.13 with two nodes in redhat 8.1 server. I enabled ports 3306, 4567, 4568 y 4444 ports. selinux is disabled. firewall disabled. The first node is ...
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1answer
363 views

Install Oracle Weblogic: Unsupported major.minor version 52.0 [closed]

I tried to install Oracle Weblogic on Redhat Linux 8 using command java -jar fmw_12.2.1.4.0_wls_quick.jar but got an error: Unsupported major.minor version 52.0 Java version java version "1.7....
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0answers
409 views

Postgres systemd service unit is in activating (start)

I'm experiencing Postgres service in activating state after incorrect server shutdown. The Postgres seems fine: connections are available and DB is running. [root@postgres-02 ~]# systemctl status ...
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0answers
32 views

Need Suggesion on PostgreSQL Database Minor upgrade Procedure from 9.5.15 to 9.5.19:

Thanks Alot each and every one. Could you please help us to below points: We are trying to deploy the latest postgres minor version 9.5.19. We have deployed postgres server using yum repository. ...
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1answer
258 views

Oracle 12c create manual script for automatic startup on RHEL7

I need to create a script to start and shut down a 12c database in rhel7 automatically when the operating system starts and shuts down, it turns out that I have tried the common options with dbstart ...
0
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1answer
24 views

Using MySQL Workbench 8 on RHEL7 gui - When I highlight text in the SQL editor it turns black

I'm assuming this is a config issue in MySQL Workbench or in RHEL. How can I change this to a readable color?
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1answer
4k views

Does Oracle 11gR2 is supported on RHEL 8 or Oracle Linux 8? [closed]

Oracle (afaik) did not updated their compatibility matrix yet. Can I run Oracle 11gR2 (which still is in extended suporte) in the new OS?
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1answer
33 views

MySQL eats up all the memory from the RHEL OS

Currently, I have MySQL server installed in the AWS RHEL EC2 instance. The team was running heavy data processing in the DB and we found out that every now and then the DB restarted itself. After ...
1
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1answer
516 views

MongoDB deployment across cloud and On Premises

We are planning to implement MongoDB as a stretch cluster which includes Primary secondary in DC 1, Secondary secondary in DC 2, Arbiter in cloud(DC 3) where DC 1 and DC 2 are on premise servers and ...
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2answers
58k views

psql: FATAL: password authentication failed for user “postgres”

I am running postgresql-9.6 on Rhel7. I know that the default/root user doesnt have a password, however i will like to use phpPgAdmin to do my work. the problem is I have edited my pg_hba.conf file to ...
0
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2answers
8k views

Can't start mysqld service after changing datadir

I have an AWS EC2 instance with RHEL 7 on which I installed mysql-5.5 on xvda. Its datadir is under /var/lib/mysql (as is the default). I am importing dumps from a database on version 5.5.29 and the ...
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0answers
116 views

external authentication of database users in Db2

For a future project, I am looking into authenticating Db2 database users via LDAP and PAM. However, it seems that LDAP server is deprecated in RedHat: https://access.redhat.com/documentation/en-us/...
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1answer
245 views

MongoDB Ops Manager

I have few questions regarding backup process in MongoDB Ops Manager 1) How backup process works ? 2) According to documentation for production do we need to have 3 dedicated servers for ...
3
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1answer
101 views

Is there a version history for the Postgres upgrades made in the installation?

I'm trying to determine when the last Postgres upgrade was made. I know my current version (through "show server_version" command, and other ways too). But I wasn't able to find a history of the last ...
0
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1answer
341 views

I can't add an extra node to mariadb cluster 10.1

I was installing a test mariadb cluster but I have a problem when I want to add an extra node. Both nodes use Red Hat Enterprise Linux Server release 7.3 (Maipo) These were the following steps: On ...
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2answers
1k views

Cannot reset MySQL default root password after initial installation

I have installed mysql 5.7 on a Red Hat Enterprise Linux 5.5 server and when I tried to run following command after installation it is asking for a password for root@localhost. /usr/bin/...
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1answer
57 views

Installing oracle 9i in RHEL5 … error during the process

Currently I am installing oracle 9i in RHEL5, but I have found that during the installation process at 5% completion it throws this error: Error in writing to file /path of oracle home/ctx/lib32/...
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1answer
70 views

Completeness of Patch Population

I'm performing an audit on Oracle database changes and the database is on a Linux OS. After using the command opatch lsinventory, we learned that this command has not been pulling the complete ...
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0answers
1k views

Start/stop postgresql with pg_ctl or service without root access on RHEL6

We plan to use postgresql on RHEL 6. DBAs won't have root access but they will need to start/stop the databases. They'll be able to do so with pg_ctl as postgres. However databases should also start ...
0
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1answer
517 views

Sybase ASE monitoring tool of choice [closed]

I have inherited an Sybase ASE 16 database server and my initial task consist on deploy some Key Performance Indicators to monitor the RDBMS instance performance. I have 3 tools available in the ...
0
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1answer
2k views

Installing Oracle 12c on Red Hat Enterprise Linux 6

When I try to ./runInstaller I get this error message: Source location is incomplete. Make sure you have downloaded and extracted all the relevant archives. I have two database unzip folders, ...
1
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1answer
24k views

ORA-00201: control file version 12.1.0.2.0 incompatible with ORACLE version 11.2.0.0.0

I'm trying to mount my database but sqlplus returned the following error : SQL> startup ORACLE instance started. Total System Global Area 1073741824 bytes Fixed Size 2932632 ...
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2answers
2k views

Mysql Refuses to Start

On HOST OS RHEL 6.5, I upgraded mysql server from 5.1 to 5.7.9. And when i try to start it refuses and give me these messages in Logs 2016-08-01T07:29:42.939712Z mysqld_safe Starting mysqld daemon ...
1
vote
1answer
1k views

Mysql will no longer start after DB import and password change

I'm running Mysql5.6 on RHEL 7. I had managed to get the mysql service up and running, and imported a database into it with no issues. However, after attempting to reset a user's password, the ...
0
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1answer
373 views

Reject Specific Database PostgreSQL User Authentication [closed]

Lets say I have two databases: Sales and Inventory And two users: A and B I want user A to be able to do: psql sales B But user A must not be able to do: psql inventory B Right now user A can ...
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2answers
2k views

SQL2043N Unable to start a child process or thread

I've seen the message SQL2043N Unable to start a child process or thread occur every once in a while since upgrading to rhel7 and db2 10.5. db2diag.log does not reveal much out of interest, beside: ...
1
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1answer
221 views

How does a VoltDB cluster determine time sync between nodes

I have a weird painful issue with VoltDB clusters on multiple RHEL7.1 vm (KVM). Time is synced between the VM and their hypervisor with a single local master NTP server - using chrony. Master server ...
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3answers
1k views

Error while installing MySQL on RedHat Linux

I am new to RedHat Linux and am referring to this link for the installation :https://dev.mysql.com/doc/mysql-repo-excerpt/5.6/en/linux-installation-yum-repo.html I finished the first two steps and ...
2
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3answers
26k views

How to identify how many instances of Oracle are installed on Linux environment

Last day, I was at one training for Oracle installation and service start & shutdown. There I came to know about some Linux commands to start and shutdown an Oracle instance on a Linux machine. ...
0
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1answer
770 views

RHEL Postgresql 9.4 and PostGIS

I'm a dba new to postgresql. I have Linux RedHat 7 without openshift. I have to install some DB on 9.4 version with postgis. My sysadmin has published the following repositories : RHEL 7 server ...
0
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1answer
81 views

Oracle 11g: SQLDeveloper

How would I use the pre-installed SQLDeveloper that comes packaged within Oracle 11g if I am invoking it with a user that has no oracle or admin rights on linux? Would it be enough just to change ...
0
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1answer
210 views

Postgres Installed in Linux (RHEL) and trying to access / connect using pgadmin (Windows)

I've installed and configured postgresql in Linux successfully, 1. postgres user created 2. new db created successfully 3. I'm trying to connect using pgadmin III (Windows) 4. Following details are ...
0
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1answer
2k views

what is oracle shiphome?

I am trying to install oracle grid, One of the Oracle installation steps says, set the variable ORA_SHIPS to the path location where you are going to extract the 11.2.0.4 shiphomes Please ...
0
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1answer
6k views

Oracle 12c Installation (Grid) on RHEL 7.1 CLSRSC-214: Failed to start 'ohasd' [duplicate]

root.sh script execution failing with following error please advice ./root.sh Performing root user operation for Oracle 12c The following environment variables are set as: ORACLE_OWNER= grid ...
1
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3answers
7k views

Problem Installing 11.2.0 on RHEL 7 64 Bit

I have problem in stalling Oracle ASM on RHEL 7, Please advice [root@localhost grid]# ./root.sh Performing root user operation for Oracle 11g The following environment variables are set as: ...
0
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1answer
31 views

MySql DB from Ubuntu to RHEL

I would like to migrate my Mysql databases from Ubuntu to RHEL..what is the best way to proceed? I'm on community edition. I will be moving to entreprise edition of MySql on RHEL.
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2answers
191 views

How to create oracle user for more than one version

I have server under RHEL 6.3 installed on that server Oracle 11gr2 and 12c, I want to create user lets say Ahmad but I want this user to be sysdba on both servers, for single server I edit ....
1
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3answers
2k views

Is using ASM a pre-requisite for RAC?

I am about to build our first RAC development environment, and as I'm new to RAC and have not used ASM I wanted to keep things as simple as possible. I was under the impression that ASM is a pre-...