Shell script to monitor MariaDB replication and send email alert about server health status
Here is a simple shell script to notify secondary read-only replica (slave) MariaDB server health status failure via email and push notification. Master-slave data replication allows you to copy databases…
How to see what packages updates available on Alpine Linux
On Debian or Ubuntu Linux, one can run ‘apt list –upgradable‘ command to see and list available package updates. On RHEL, we can use ‘dnf check-update‘ to list available updates…
How To Reuse SSH Connection To Speed Up Remote Login Process Using Multiplexing
{Updated} How do I reuse ssh connection using multiplexing to speed up remote login procedure with OpenSSH client under Linux, macOS, *BSD and Unix-like operating systems? The post How To…
Why Programmers Should Read Good Fiction
30 Jul 2021 Programming is one of the most demanding jobs in this world, and those who are into coding or algorithms seem to have a different brain than the…
Install MongoDB on Ubuntu 20.04
MongoDB is an open-source document-oriented database system. It is a NoSQL database. Instead of storing data in tables of rows or columns like traditional RDBMS databases, MongoDB stores data as…
How to Use Apache JMeter to Load Test Web Applications
Apache JMeter is an open-source load testing tool, available for Linux, macOS, and Windows. In a previous tutorial, we explained how to use Netdata to monitor the performance of Apache/Nginx…
Tootle – GTK client for Mastodon
Mastodon is a free and open source microblogging platform similar to Twitter, but with user privacy and decentralization in mind. It’s one of many protocols that interacts with the Fediverse…
How to Install LAMP Stack on Rocky Linux 8
LAMP is a popular stack used in development circles for hosting both static and dynamic web applications. It’s an acronym for Linux, Apache, MySQL (or MariaDB) & PHP. Notably, it…
Debian: DSA-4946-1: openjdk-11 security update
Debian: DSA-4946-1: openjdk-11 security update —–BEGIN PGP SIGNED MESSAGE—– Hash: SHA512 Debian Security Advisory DSA-4946-1 [email protected] https://www.debian.org/security/ Moritz Muehlenhoff July 29, 2021 https://www.debian.org/security/faq Several vulnerabilities have been discovered in the…
Ubuntu 5027-1: PEAR vulnerability
Ubuntu 5027-1: PEAR vulnerability ========================================================================== Ubuntu Security Notice USN-5027-1 July 29, 2021 php-pear vulnerability ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: -…
Ubuntu 5026-1: QPDF vulnerabilities
Ubuntu 5026-1: QPDF vulnerabilities ========================================================================== Ubuntu Security Notice USN-5026-1 July 29, 2021 qpdf vulnerabilities ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: -…
Ubuntu 5025-2: libsndfile vulnerability
Ubuntu 5025-2: libsndfile vulnerability ========================================================================== Ubuntu Security Notice USN-5025-2 July 29, 2021 libsndfile vulnerability ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: – Ubuntu 16.04 ESM…
Linux Rsync Command Examples For Beginners
In this comprehensive Rsync tutorial, we are going to learn useful Rsync command examples to copy, backup and synchronize files in Linux operating systems. 1. A brief introduction to Rsync…
Ubuntu 5025-1: libsndfile vulnerability
Ubuntu 5025-1: libsndfile vulnerability ========================================================================== Ubuntu Security Notice USN-5025-1 July 29, 2021 libsndfile vulnerability ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: – Ubuntu 21.04 -…
Excellent Free Tutorials to Learn PostScript
PostScript is an interpreted, stack-based language similar to Forth but with strong dynamic typing, data structures inspired by those found in Lisp, scoped memory and, since language level 2, garbage…
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