Linux

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How to Find All Files with File Size Zero (0) Bytes in a Directory Recursively

In Linux operating system, to find and print the name of all files that has the file size 0 (zero) bytes, in a directory and all its sub-directories recursively, use one of the following commands: find /path/to/directory/ [...]

By | January 20th, 2017|Categories: Linux|Tags: , |0 Comments

Grant User Sudo Access (Add to Sudoers File or Wheel Group)

In Linux operating system, most of the users log in as standard user or normal user. But occasionally, one has to have administrator or root privileges in order to perform certain administrative tasks. Normally administrative privileges are [...]

By | January 16th, 2017|Categories: Linux|Tags: , |0 Comments

How to Install Let’s Encrypt in CentOS / RHEL / Fedora / FreeBSD / OpenBSD / Ubuntu / Linux

Let's Encrypt is a free, automated, and open certificate authority (CA) that provides Domain Validated (DV) certificates essential for SSL, which enables the HTTPS secure connection that encrypts data transfer. . The DV certificate verifies that you [...]

Create & Migrate Existing Working RedHat / CentOS System to RAID 1 / RAID 10

Linux system has built-in support for software RAID, through MD devices aka Linux Software RAID. Most Linux distributions such as Red Hat Enterprise Linux (RHEL) and CentOS allows you to easily set up RAID arrays while installing [...]

By | January 27th, 2015|Categories: Linux|Tags: , , , , , |7 Comments

MariaDB: Webmin MySQL Startup Script /etc/rc.d/init.d/mysqld Was Not Found

MariaDB, the enhanced in-place upgrade of MySQL database management system, is getting more popular each passing day. We decide to upgrade from MySQL, which comes preinstalled in CentOS, to MariaDB 5.5, and subsequently to MariaDB 10, the [...]

By | January 9th, 2015|Categories: Databases|Tags: , , , , , , , |0 Comments

403 Forbidden Error When Enabling /server-status in Apache HTTPD Server

When enabling the Apache HTTPD server status reports generated by mod_status by adding the following block to the Apache HTTPD configuration file, namely httpd.conf or apache2.conf, the 403 Forbidden error message is shown. Directive in httpd.conf or [...]

By | December 29th, 2014|Categories: Web Servers|Tags: , |0 Comments

Perl Module This Distribution Requires a Working Compiler at Makefile.PL

When compiling and installing a Perl module from source via CPAN or CPANM (CPANMinus) on Linux such as RHEL, CentOS and Ubuntu, a compiling error may occur when running the Makefile. The error message shown can vary, [...]

By | November 11th, 2014|Categories: Linux|Tags: , , , , , , , , , , |0 Comments

Perl Modules Need Module::Build But Is Not Installed

In Webmin, when attempting to install Perl modules, some modules may fail to install from packages. In such cases, the system will automatically try to install from source. However, when trying to build and install modules, Webmin [...]

By | November 10th, 2014|Categories: Linux|Tags: , , , , , |0 Comments

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