Linux

Linux is a family of open-source Unix-like operating systems based on the Linux kernel. Some of the most popular Linux distributions include Debian, Fedora, and Ubuntu.

www.linux.org

select folders - dupeguru – find and remove duplicate files

dupeguru – find and remove duplicate files

DupeGuru is a simple application to locate all the duplicate files on your PC and delete them easily. The hard disk may be filled with duplicate files that are useless and use valuable space. If we try to locate these files manually would be an...

find locate linux - How to find files in Linux using locate or find commands

How to find files in Linux using locate or find commands

In Linux, there are a variety of commands to locate files, each with its own set of advantages and disadvantages. Some are only available in certain distributions, and others are not installed by default. Let’s start with the quickest approach...

MobaXterm Personal 20.3 ByCOPcuqOk 736x491 - Postfix Configuration settings to prevent incoming SPAM

Postfix Configuration settings to prevent incoming SPAM

In this post, I’ll share the configuration file I use for Postfix installations and highlight some of the directives I use to combat incoming SPAM. If you want to use it, go ahead. nano /etc/postfix/main.cf nano /etc/postfix/main.cf...

image 82 - Flush nscd DNS cache

Flush nscd DNS cache

name service cache daemon (nscd) cache is persistent by default on CentOS 7, to flush it, you need to run: nscd -i hosts -i stands for invalidate. You can also check if nscd‘s cache is persistent by running nscd -g...

image 79 736x491 - Change MySQL data directory in PHPMyAdmin

Change MySQL data directory in PHPMyAdmin

In a recent article, I discussed many methods for removing the large ibdata file, one of which involves transferring the MySQL data directory to a different partition. However, if you do so, you must also inform PHPMyAdmin of the location of the...

image 31 736x233 - Whitelist Dynamic IP in CSF and cPanel

Whitelist Dynamic IP in CSF and cPanel

In this guide I will use cPanel’s Dynamic DNS feature to create a subdomain, then add that subdomain to CSF to automatically whitelist each IP that calls the URL. #1 Create Dynamic DNS In cPanel go to Dynamic DNS and create a new subdomain...

image 120 736x423 - Max retries has been reached, 503!

Max retries has been reached, 503!

503 Service Unavailable error on a shop hosted on shared cPanel server, apache error log: tail /usr/local/apache/logs/error_log 2022-04-29 11:04:21.728438 [T0] [31.32.33.34:49768-H3:3D8F707E6843B0DF-0#APVH_XXXXXX.com:443] Max retries has been...

image 34 - MySQL: 6 ways to move data from huge ibdata file to .ibd files

MySQL: 6 ways to move data from huge ibdata file to .ibd files

ibdata file is used to store all tables of databases that use the innoDB engine, so if you delete it, you will lose all data. To keep each database files in a separate file add innodb_file_per_table in your my.cnf file under [mysqld] section. Here...