Linux Commands https://www.tecmint.com Tecmint - Linux Howtos, Tutorials, Guides, News, Tips and Tricks. Mon, 29 Jun 2026 11:37:36 +0000 en-US hourly 1 https://www.tecmint.com/wp-content/uploads/2020/07/favicon.ico Linux Commands https://www.tecmint.com 32 32 How to Downgrade and Lock Packages With dnf in RHEL Systems https://www.tecmint.com/downgrade-package-dnf-command/ https://www.tecmint.com/downgrade-package-dnf-command/#respond Mon, 29 Jun 2026 11:37:36 +0000 https://www.tecmint.com/?p=62382 How to Downgrade and Lock Packages With dnf in RHEL Systems first appeared on Tecmint: Linux Howtos, Tutorials & Guides .

You ran dnf update, and now something has stopped working. Instead of spending hours troubleshooting, you just want to go

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You’ve just deployed a service, opened a firewall rule, or configured a reverse proxy, and now you want to confirm

The post 5 Ways to Check Remote Port Connectivity in Linux first appeared on Tecmint: Linux Howtos, Tutorials & Guides.]]> https://www.tecmint.com/check-open-ports-linux-without-telnet/feed/ 0 How to Resize ext4 Partitions and Filesystems in Linux https://www.tecmint.com/resize2fs-expand-ext4-filesystem-linux/ https://www.tecmint.com/resize2fs-expand-ext4-filesystem-linux/#respond Mon, 22 Jun 2026 05:20:10 +0000 https://www.tecmint.com/?p=62341 How to Resize ext4 Partitions and Filesystems in Linux first appeared on Tecmint: Linux Howtos, Tutorials & Guides .

resize2fs is the tool that lets an ext4 filesystem use the extra space you’ve added to a partition. Without it,

The post How to Resize ext4 Partitions and Filesystems in Linux first appeared on Tecmint: Linux Howtos, Tutorials & Guides.]]> https://www.tecmint.com/resize2fs-expand-ext4-filesystem-linux/feed/ 0 at Command: Schedule One-Time Linux Tasks Without Cron https://www.tecmint.com/at-command-linux/ https://www.tecmint.com/at-command-linux/#comments Thu, 18 Jun 2026 04:00:20 +0000 http://www.tecmint.com/?p=22055 at Command: Schedule One-Time Linux Tasks Without Cron first appeared on Tecmint: Linux Howtos, Tutorials & Guides .

The at command lets you queue a one-off task to run once at a specific time, so you don’t have

The post at Command: Schedule One-Time Linux Tasks Without Cron first appeared on Tecmint: Linux Howtos, Tutorials & Guides.]]> https://www.tecmint.com/at-command-linux/feed/ 5 20 Must-Know Linux Commands for System Administrators https://www.tecmint.com/daily-linux-commands-for-sysadmins/ https://www.tecmint.com/daily-linux-commands-for-sysadmins/#comments Mon, 08 Jun 2026 04:00:17 +0000 https://www.tecmint.com/?p=60541 20 Must-Know Linux Commands for System Administrators first appeared on Tecmint: Linux Howtos, Tutorials & Guides .

In this article, I’ll walk you through the 20 most essential Linux commands every system administrator should know. These everyday

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