Fedora

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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 [...]

ABRT ImportError: No Module Named argparse Crash Error

Large number of error emails is sent by ABRT Daemon to web server's administrator, and system log is filled with the following message: [abrt] a crash has been detected again abrt_version: 2.0.8 cmdline: /usr/bin/python /usr/libexec/abrt-action-generate-machine-id -o /var/spool/abrt/pyhook-2015-08-06-07:11:17-55377/machineid [...]

By | November 20th, 2015|Categories: Linux|Tags: , , , |2 Comments

Install Munin Tracking & Monitoring System (RedHat/CentOS/Ubuntu/SUSE)

Munin Monitoring System is one of the popular computer system, network and infrastructure monitoring tool. With Munin, real-time information about the servers, applications, services, SANs, network and many more resources is available in graphs through a web [...]

Update & Add CA Certificates Bundle in RedHat & CentOS

Red Hat Enterprise Linux (RHEL), CentOS, Fedora, Scientific Linux and other Linux distributions derived from RHEL provides the system-default legacy classic CA certificate trust bundle Mozilla root CA list, where they have classic file names and are [...]

List All Packages Installed by a Specific Repo in CentOS / RedHat with YUM

Red Hat Enterprise Linux (RHEL), Fedora, CentOS and Scientific Linux allows administrators to add and enable multiple repositories (repos) to install software packages that are not included in the default base and updates repositories. Over time, the [...]

Cannot Retrieve Metalink for Repository: EPEL

When using yum to install or update software packages through "yum install" or "yum update" commands, the following stop error occurred: Loaded plugins: fastestmirror, security Loading mirror speeds from cached hostfile Error: Cannot retrieve metalink for repository: [...]

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

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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