Comparison Between Btrfs and XFS Filesystems
There are many filesystems available for use with Linux. The most common Linux filesystems include Ext4, Btrfs, XFS, and ZFS. Every filesystem has its unique use cases, pros, and cons…. Read more »
How to configure and add nodes on Uplexa Wallet Android
The uPlexa team brings to you, our uPlexa Android wallet. The wallet includes Node-O-Matic technology, allowing to scan for remote nodes. Store, send, or receive uPlexa (UPX) with ease. The… Read more »
Error_code: 1032; handler error HA_ERR_KEY_NOT_FOUND
Last_SQL_Error: Could not execute _rows event on table .; Can’t find record in ‘’, Error_code: 1032; handler error HA_ERR_END_OF_FILE; the event’s master log , end_log_pos. This is one of the… Read more »
What are transparent hugepages?
“Transparent Hugepages” is a Linux kernel feature intended to improve performance by making more efficient use of your processor’s memory-mapping hardware. It is enabled (“enabled=always”) by default in most Linux… Read more »
Debian 10: How to disable transparent hugepages
“Transparent Hugepages” is a Linux kernel feature intended to improve performance by making more efficient use of your processor’s memory-mapping hardware. It is enabled (“enabled=always”) by default in most Linux… Read more »
ERROR 1356 (HY000): View ‘mysql.user’ references invalid table(s) or column(s) or function(s) or definer/invoker of view lack rights to use them
I needed to change the hostname on mysql database logins because the application server name was changed. I ran the following command: Starting with the MariaDB-10.4+ the mysql.user is a… Read more »
How to enable https on wildfly and tls 1.2
In this post we will describe step by step how to enable the https protocol on wildfly and enable the desired security protocols. To activate SSL communication in Wildfly, perform… Read more »
MongoDB 4.4 New Features
This version has been released to augment the database’s ability to operate at a convenient and dependable scale, therefore developed under the “user-driven engineering” principle to enable it deliver numerous… Read more »
ClickHouse compression test
ClickHouse supports different kinds of compressions, namely two LZ4 and ZSTD. But in short, LZ4 is fast but provides smaller compression ratio comparing to ZSTD. While ZSTD is slower than… Read more »
How to backup and restore your Clickhouse Database
ClickHouse is known as a data analytics processing engine. ClickHouse is one of the open-source column-oriented database-oriented management systems capable of real-time generation of analytical data reports using SQL queries…. Read more »