Limited Time Offer! For Less Than the Cost of a Starbucks Coffee, Access All DevOpsSchool Videos on YouTube Unlimitedly. Master DevOps, SRE, DevSecOps Skills! Enroll Now When a website, API, Laravel application, microservice, database, or authentication service suddenly becomes slow or unstable, the first mistake many people make is directly checking the application code. But…
Category: Linux
Vi Editor Linux Shortcut Keys
Limited Time Offer! For Less Than the Cost of a Starbucks Coffee, Access All DevOpsSchool Videos on YouTube Unlimitedly. Master DevOps, SRE, DevSecOps Skills! Enroll Now Here’s a comprehensive list of shortcuts for the Vi editor in Linux. 🔹 Basic Vi Commands Command Description vi filename Open a file in Vi editor i Insert mode…
Top 10 Commands with explanation of “ldd” command
Limited Time Offer! For Less Than the Cost of a Starbucks Coffee, Access All DevOpsSchool Videos on YouTube Unlimitedly. Master DevOps, SRE, DevSecOps Skills! Enroll Now The ldd (List Dynamic Dependencies) command in Linux is used to display shared library dependencies of an executable or a shared object (.so file). It helps in debugging missing…
Top 10 Commands with explanation of “apt-get” command
Limited Time Offer! For Less Than the Cost of a Starbucks Coffee, Access All DevOpsSchool Videos on YouTube Unlimitedly. Master DevOps, SRE, DevSecOps Skills! Enroll Now The apt-get command is a powerful package management tool in Debian-based Linux distributions like Ubuntu, Debian, and Kali Linux. It allows users to install, update, upgrade, remove, and manage…
Top 10 Commands with explanation of “dpkg-query” commands
Limited Time Offer! For Less Than the Cost of a Starbucks Coffee, Access All DevOpsSchool Videos on YouTube Unlimitedly. Master DevOps, SRE, DevSecOps Skills! Enroll Now The dpkg-query command is used in Debian-based Linux distributions (like Ubuntu, Debian, Kali Linux) to query the dpkg database for information about installed packages. It is useful when you…
Top 10 Commands with explanation of “dpkg” command
Limited Time Offer! For Less Than the Cost of a Starbucks Coffee, Access All DevOpsSchool Videos on YouTube Unlimitedly. Master DevOps, SRE, DevSecOps Skills! Enroll Now The dpkg (Debian Package Manager) command is used in Debian-based Linux distributions (such as Ubuntu, Debian, and Kali Linux) for installing, removing, and managing .deb packages. Unlike apt, dpkg…
Top 10 Commands with explanation of “chown” command
Limited Time Offer! For Less Than the Cost of a Starbucks Coffee, Access All DevOpsSchool Videos on YouTube Unlimitedly. Master DevOps, SRE, DevSecOps Skills! Enroll Now The chown (Change Owner) command in Linux is used to change the owner and group ownership of files and directories. It is particularly useful when managing permissions for multiple…
Top 10 Commands with explanation of “chmod” command
Limited Time Offer! For Less Than the Cost of a Starbucks Coffee, Access All DevOpsSchool Videos on YouTube Unlimitedly. Master DevOps, SRE, DevSecOps Skills! Enroll Now The chmod (Change Mode) command is used in Linux to modify file and directory permissions. It controls who can read (r), write (w), and execute (x) a file or…
Top 20 Commands with explanation of “awk” command
Limited Time Offer! For Less Than the Cost of a Starbucks Coffee, Access All DevOpsSchool Videos on YouTube Unlimitedly. Master DevOps, SRE, DevSecOps Skills! Enroll Now The awk command in Linux is a powerful text-processing tool used for pattern scanning, extracting, formatting, and manipulating text files, logs, CSVs, and structured data. It reads files line…
Top 20 Commands with explanation of “sed” command
Limited Time Offer! For Less Than the Cost of a Starbucks Coffee, Access All DevOpsSchool Videos on YouTube Unlimitedly. Master DevOps, SRE, DevSecOps Skills! Enroll Now The sed (Stream Editor) command is a powerful Linux tool used for text processing. It allows for text substitution, deletion, insertion, and more, directly from the command line. This…