New answers tagged ubuntu
0
The following command has solved my problem
sudo -u mongodb mongod --dbpath /var/lib/mongodb
The -u mongodb after sudo runs the mongod with mongodb user. So,I don't have to change owner of folder /var/lib/mongodb to mongodb.
Now, Mongodb Server is running as Service and also mongod instance.
1
you can set up master - slave replication using pgpool, master-master is not supported.
To set up active - active replication you will need to use tool like SymmetricDS.
Cheers!
1
Install it from PostgreSQL's own apt repository, adapted from these instructions.
sudo apt-get install curl ca-certificates gnupg
curl https://www.postgresql.org/media/keys/ACCC4CF8.asc | sudo apt-key add -
sudo sh -c 'echo "deb http://apt.postgresql.org/pub/repos/apt $(lsb_release -cs)-pgdg main" > /etc/apt/sources.list.d/pgdg.list'
sudo apt-get update
...
0
I had this problem in my MacOs
please make sure that you entered your hostname correctly on your /etc/hosts file
to do that> hostname command shows the "real hostname of your mac" and the the line below to /etc/hosts
127.0.0.1 your_host_name.local
1
If you make sure that there is no query running on the database currently that may be using a temporary file, it is safe to remove these leftovers.
0
MySQL does not offer a way to split the processing of a single query across multiple threads. Instead, I recommend to implement parallelism in the application layer. MySQL will happily process separate SELECT statements in parallel. If you have an auto-increment ID, you can subdivide the table into N parts by using SELECT ... WHERE id % N = 0. Use N ...
0
Actually here is a solution that worked for me:
https://techierg.blogspot.com/2019/06/ubuntu-1804-mysql-this-installation-of.html
Quote:
Briefly, the solution is
Edit the file /var/lib/dpkg/info/mysql-server-5.7.postinst
sudo nano /var/lib/dpkg/info/mysql-server-5.7.postinst
At line # 370, comment out the echo ALTER statement which would like
...
3
I came to a solution, if anyone is interested:
For any reason, firebird ODBC 64-bits driver downloaded from oficial site comes with SQLLEN = 4 bytes. After some help, I managed to compile driver from source code, and the result seems to work with 8 bytes SQLLEN.
In the compile proccess, I had a BUILD_DRIVER_VERSION error, modifying line 139 (...
0
The default is 0 (atleast) for Ubuntu / CentOS.
If you change this on an running server with databases / tables, it may corrupt the files. Refer https://dev.mysql.com/doc/refman/5.7/en/identifier-case-sensitivity.html in the paragraph "Meaning" of "0".
Since you did not post your error message, I am assuming that you already have tables with index files and ...
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