智能运维
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Troubleshooting DNS Issues {nslookup, dig, host & More}
Introduction DNS (domain name system) stores information related to domain names as a distributed database. The client-server service translates domain names to IP addresses and vice versa. Most othe…
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14 Dangerous Linux Terminal Commands
Introduction Running commands in a Linux terminal is easy and fast and usually provides a superior experience compared to using the GUI to perform the same task. Commands provide access to features t…
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How to Back up Office 365 Emails
Introduction Office 365 is a popular cloud-based office suite, offering a complete set of Microsoft productivity apps, OneDrive cloud storage, email, and other useful business-oriented features. Like…
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tar Command in Linux With Examples
Introduction The GNU tar (short for Tape ARchiver) command is the most widely used archiving utility in Linux systems. Available directly in the terminal, the tar command helps create, extract, and l…
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PostgreSQL SELECT Statement {Syntax + Examples}
Introduction PostgreSQL is an open-source relational database management system (RDBMS). The database system easily handles diverse workloads and supports most operating systems. Its extensibility an…
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Should You Backup Office 365 Data?
Introduction Office 365, now known as Microsoft 365, is a suite of cloud-based applications and services for personal and business users. It includes the complete set of Microsoft Office applications…
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How to Remove a Directory in Linux
Introduction Removing a directory in Linux is a pretty simple task if you are using the GUI. However, if you don't have access to the GUI, you can also remove directories using terminal commands. In …
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Linux alias Command: How to Use It With Examples
Introduction Depending on the type of work you do on your Linux system, you may need to enter the same long and complicated commands frequently. The alias command lets you create shortcuts for these …
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How to Fix Broken Packages in Ubuntu
Introduction Linux packages are compressed archives containing programs and files necessary to run them. The package distribution system is designed to be robust and simplify the application installa…
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How to Rename Files in Linux
Introduction Linux provides several options for renaming files, including using the GUI and multiple dedicated terminal commands. This makes it relatively easy to rename individual files, but it can …