Linux
Replace Strings in All Files on Linux
hello everyone, this time I want to share a way to replace strings in all files on Linux. Not long ago I had a case to change a word (in string form) which I have to do in all php Read more…
Database
What is INFORMATION SCHEMA Database
What is INFORMATION SCHEMA database? INFORMATION_SCHEMA is a database contained in MySQL / MariaDB where it has provided access to the metadata database, all information about the MySQL / MariaDB Server such as database names, tables, columns, data types, access Read more…
Database
MySQL / MariaDB User Privileges Settings
Hello everyone, I want to share some tips regarding MySQL / MariaDB user privileges settings. If you have read my post about Tips for Creating MySQL / MariaDB Database Users, there I have explained a little about the importance of Read more…
Database
Tips for Create MySQL / MariaDB User Database
In this post I will give a few tips to create a good mysql or mariadb database user. For a developer, of course, you need a user to access the database on the server. So, as a SysAdmin, my job Read more…
Linux
Searching for Files Containing Certain Words in Linux
Hello everyone, I want to share tips in the form of ways to find files that contain certain words on linux. For myself, I sometimes want to edit a file but I forget the location of the file, all I Read more…
Linux
Check the Size of Data Files / Folders on Linux
Hello everyone, I want to share information on how to check the size of data file / folder on linux. Usually a SysAdmin has a schedule to do a clean cleaning on the server he is holding, now to make Read more…
Linux
Rules on Cronjob
Hi everyone, this time I want to share information about the rules on CronJob. For some developers, SysAdmin or DevOps may already know what Cronjob is. Cronjob is a software that runs a process or program that has a predetermined Read more…
Linux
Replace Word in Vim editor
Hello everyone, For those of you who often do file editing with the Vim editor, and often have to replace word in vim editor, especially in a series of code / configuration / sentences with very long lines, of course Read more…
Linux
Copy Paste in Editor Vim
Hello, in this post I want to share tips for Linux users who often use the VIM editor. the tips are how to copy and paste in vim editor. There are 2 ways that I give: The first, using the Read more…
Uncategorizeds
Hello…
This is my first post on this blog, for my first article I just want to describe what environment I use to launch this Lukems.com site, here is the environment: Cloud Server – For cloud servers I use Vultr.com Read more…