Questions tagged [redhat]
The redhat tag has no usage guidance.
83
questions
0
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0
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34
views
What is the purpose for no gpgcheck in the pgdg-redhat-all.repo?
A repository installed from the official PostgreSQL site (/pgdg-redhat-repo-latest.noarch.rpm) has gpgcheck disabled for PostgreSQL 17 Downloads. See below.
[pgdg17-updates-testing]
name=PostgreSQL 17 ...
0
votes
0
answers
40
views
Mount MariaDB data in a separate directory on RHEL 8?
We are migrating from a CentOS 7 server (physical server) to RHEL 8 (Azure server). This server was setup by someone else, and admittedly I know enough to install/configure LAMP. I am not a sysadmin.
...
0
votes
0
answers
319
views
SQL*Net message from client too important
It is not easy to describe my problem but I will try. We noticed a slow processing problem with the database when migrating an application from a current VM named VM1 (RedHat 7.9, Java 8, Tomcat, ...
dsea
0
votes
0
answers
37
views
Why would one of our linux VMs have a lag in connecting to PostgreSQL and not the others?
We have several VMs connecting to multiple PostgreSQL database servers. All but one VM connect instantly to all of the database servers, while our newest VM sometimes has a noticeable (1-2 seconds) ...
- 15
0
votes
1
answer
48
views
Is it recommended changing the file /sys/kernel/mm/transparent_hugepage/enabled for MariaDB node?
Is it recommended changing the file /sys/kernel/mm/transparent_hugepage/enabled from 'always' to 'never' for a MariaDB Galera node?
- 129
1
vote
0
answers
460
views
Why when a Mongodb second secondary node is unreacheable, the cluster is affected?
I have the following MongoDB 4.0.2 cluster with the following information:
rs.conf()
{
IP:192.168.1.26, // Primary, in New York branch
priority:10
},
{
IP:192.168.1.24, // Second Secondary, in ...
- 129
1
vote
0
answers
100
views
Update MySQL after upgrade RHEL7 - 8 : mysql-community-client-plugins has inferior architecture
I've updated RHEL 7 to RHEL 8 with leapp, but just have problems wirh mysql update:
sudo dnf update
Error:
Problem 1: mysql-community-client-plugins-8.0.30-1.el7.i686 has inferior architecture
- ...
Tomas
0
votes
1
answer
63
views
Sysbench - Public key for postgresql-libs-9.2.24-7.el7_9.x86_64.rpm is not installed
I have a mariadb on a redhat server (7.9) and trying to install sysbench for benchmarking with this command:
sudo yum -y install sysbench
I got this error:
Loaded plugins: fusioninventory-agent, ...
- 161
0
votes
2
answers
365
views
Silent Installation of Oracle 11gR2 Fails During NETCA setup in Redhat Linux 8
I am trying to install Oracle 11gR2 in Rhel 8. There was a few incidents of missing packages here and there which I managed to fix during the SOFTWARE ONLY installation. But now I am completely stuck ...
- 13
0
votes
2
answers
3k
views
psql (PostgreSQL client) tool install on RHEL
I would like to install just the PostgreSQL client tool (psql) on RHEL on a container to connect to an Azure database for PostgreSQL server. Can you please point me step by step instructions on how to ...
- 83
0
votes
1
answer
29
views
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 ...
0
votes
1
answer
857
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 ...
- 101
0
votes
0
answers
69
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 &...
- 1
-1
votes
1
answer
102
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 ...
- 99
0
votes
0
answers
19
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" ...
- 21
0
votes
1
answer
725
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 ...
- 1
2
votes
1
answer
610
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
...
- 21
0
votes
0
answers
737
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 ***************************
...
- 1
0
votes
1
answer
58
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
votes
2
answers
265
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-...
- 261
2
votes
2
answers
1k
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 ...
- 23
0
votes
1
answer
254
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 ...
- 129
0
votes
1
answer
627
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....
2
votes
1
answer
1k
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 ...
- 421
0
votes
0
answers
44
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.
...
- 1
0
votes
1
answer
470
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 ...
- 149
0
votes
1
answer
36
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?
1
vote
1
answer
7k
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?
- 69
0
votes
1
answer
47
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 ...
- 31
1
vote
1
answer
774
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 ...
- 25
0
votes
2
answers
79k
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 ...
2
votes
2
answers
12k
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 ...
- 49
0
votes
0
answers
122
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/...
- 23.1k
0
votes
1
answer
393
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 ...
- 25
3
votes
1
answer
358
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
votes
1
answer
505
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 ...
- 129
1
vote
2
answers
3k
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/...
0
votes
1
answer
71
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/...
- 135
0
votes
1
answer
105
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 ...
2
votes
0
answers
2k
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
votes
1
answer
610
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
votes
1
answer
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
vote
1
answer
28k
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 ...
- 253
1
vote
2
answers
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 ...
- 123
1
vote
1
answer
2k
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 ...
- 113
0
votes
1
answer
524
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 ...
- 101
0
votes
2
answers
3k
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:
...
- 23.1k
1
vote
1
answer
325
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 ...
- 113
0
votes
3
answers
2k
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
votes
3
answers
30k
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.
...
- 123