How to optimize MySQL Query Cache
One simple task you can do to speed up your website is to activate the MySQL Query Cache mode. The query cache stores the text of a SELECT statement together with the corresponding result that...
Category: Linux
WireGuard may be merged into the Linux kernel mainline
For WireGuard, news has been flowing for the past few weeks, as rumors have it that this secure VPN tunnel will soon be merged into the Linux kernel mainline and will be supported on...
How to Backup and Restore MySQL Database
In the previous article, I shared how to create a mysql database in Linux. Today, on this post, I’m going to guide you on how to backup and restore the mysql database. Backup mysql...
How to create mysql database in Linux
MySQL is an open-source relational database management system. Its name is a combination of “My”, the name of co-founder Michael Widenius’s daughter, and “SQL”, the abbreviation for Structured Query Language. In this post, I’m...
How to install Redis on Linux
Redis is an in-memory data structure project implementing a distributed, in-memory key-value database with optional durability. Redis supports different kinds of abstract data structures, such as strings, lists, maps, sets, sorted sets, HyperLogLogs, bitmaps,...
Easy way to install OpenVPN Server in Linux
VPN (Virtual Private Network), between the client and the host to establish an encrypted tunnel, the client’s request to encrypt all the way to send to the VPN server. The mainstream VPN is divided...
Google updates Coral SBC to Mendel Linux 4.0
Last weekend, Google officially announced the arrival of Mendel Linux (4.0 release Day). As the company’s Debian-built GNU / Linux distribution specifically for its Coral development boards and on-chip modules, it uses Linux Kernel...
How to fix GPG error NO_PUBKEY in Ubuntu
Sometimes, you can get an error like below when you use apt-get update command: W: GPG error: http://archive.canonical.com trusty Release: The following signatures couldn’t be verified because the public key is not available: NO_PUBKEY...
KNOPPIX 8.6.1 releases, D-ROM bootable GNU / Linux system
KNOPPIX is a CD-ROM bootable GNU / Linux system (LiveCD), features include automatic hardware monitoring, support for common graphics cards, sound cards, SCSI and USB devices, and other peripherals. KNOPPIX can be used for...
How to check DDOS attack with command-line on Linux
Your server appearing pretty slow could be many things from wrong configs, scripts, and dodgy hardware – but sometimes it could be because someone is flooding your server with traffic known as DoS (Denial...
How to install Linux kernel 5.4 in Linux
Linus Torvalds announced on the Linux Kernel mailing list that the Linux Kernel 5.4 has been officially released! Linux Kernel 5.4 includes the kernel lockdown mode, intended to strengthen the boundary between UID 0...
GNOME 3.35.2 Released
The GNOME project today announced GNOME 3.35.2 desktop environment for Linux-based operating systems. This is an important version with many new features and improvements. Changelog GNOME 3.35.2 is now available. This is the second...
How to change SSH remote login port in Linux
SSH: short for Secure Shell, SSH (developed by SSH Communications Security Ltd.) is a secure protocol for remote logins. Using an SSH client, a user can connect to a server to transfer information in...
Pardus 19.1 releases, Debian-based Turkish Linux distribution
Pardus is a GNU/Linux distribution jointly developed by the Scientific & Technological Research Council of Turkey (TÜBİTAK) and National Academic Network and Information Centre (ULAKBİM). It started its life as a Gentoo-based project before...
Ubuntu 20.04 LTS is available for testing
The Ubuntu 20.04 LTS (Focal Fossa) daily build image is now available for download and testing. Ubuntu 20.04 is the 8th LTS version of Ubuntu and is scheduled for release on April 23 next year. Until...
Fix ERROR 1698 (28000): Access denied for user ‘root’@’localhost’ in MySQL
Recently, when I try to install and create a database in MySQL, I got “ERROR 1698 (28000): Access denied for user ‘root’@’localhost’” error. After that, I found a method for this bug. So this...
