Puppet is an intuitive, task-controlling software which provides a straightforward method to manage Linux and Windows server functions from a central master server. It can perform administrative work across a wide array of systems that are primarily defined by a “manifest” file, for the group or type of server(s) being controlled.
Continue reading “How to Install and Configure Puppet on CentOS, Fedora, Ubuntu or Opensuse”
lsyncd is an rsync-based tool that monitors specified directories (including subdirectories) for updates and modifications, then syncs those changes to a specified destination.
Logwatch is a Perl-based log management tool for analyzing, summarizing, and reporting on a server’s log files. It is most often used to send a short digest of a server’s log activity to a system administrator.
What are log files? Logs are application-generated files useful for tracking down and understanding what has happened in the past.
Git is a widely adopted, distributed version control system (VCS) and open source. It’s commonly used for source code management (SCM), with sites like GitHub offering a social coding experience, and popular projects such as Perl, Ruby on Rails, and the Linux kernel using it.
Continue reading “How to Install and Configure Git on Fedora 22”
PostgreSQL supports many client authentication methods, but in this case we’re only going to concern ourselves with two: password and md5.
Continue reading “Change a Password for PostgreSQL on Linux via Command Line”
PostgreSQL supports multiple client authentication methods including: trust, reject, md5, password, gss, sspi, krb5, ident, peer, ldap, radius, cert, and pam. Here we’re only going to concern ourselves with two: ident and md5.
Continue reading “Change PostgreSQL Authentication Method from Ident to MD5”
When connecting to PostgreSQL on Linux for the first time many admins have questions, especially if those admins are from the MySQL world. By default, when PostgreSQL is installed, a postgres user is also added.
If you run the command:
cat /etc/passwd
… you’ll see the postgres user.
Continue reading “What is the Default Password for PostgreSQL?”
Docker is a container-based software framework commonly used for automating deployment of applications. “Containers” are encapsulated, lightweight, and portable application modules.
Continue reading “How to Upgrade / Update Docker on Fedora 22”
PostgreSQL (pronounced ‘post-gres-Q-L’) is a free, open-source object-relational database management system (object-RDBMS), similar to MySQL, and is standards-compliant and extensible. It is often used as a back-end for web and mobile applications. PostgreSQL, or ‘Postgres’ as it is nicknamed, adopts the ANSI/ISO SQL standards together, with the revisions.
Continue reading “How to Install and Connect to PostgreSQL on Fedora 22”
phpMyAdmin is an open source tool used for the administration of MySQL. In addition to offering the capability to perform administration tasks such as creating, editing, or deleting databases, and managing users and permissions, phpMyAdmin provides a graphical user interface to do all of these tasks and more.
Continue reading “How to Install and Configure phpMyAdmin on Fedora 22”