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How to Manage Vulnerabilities Across Multiple Linux Distributions
55+ min ago (1177+ words) Linux has long been the operating system of choice for servers, databases, containers, and cloud workloads. For some time, it existed without much scrutiny from attackers. However, this has changed over the years. When threat actors want to cause maximum…...
Use frp on Linux to Access SSH and Web Apps from Anywhere
1+ day, 3+ hour ago (1437+ words) Your home server has no public IP. Your ISP has assigned you a CGNAT address, so port forwarding on the router does nothing. Most guides also assume you control the edge of your own network. frp solves this by reversing…...
4 Tools to Find Which Process Uses Your Bandwidth in Linux
2+ mon, 3+ day ago (1461+ words) This happens pretty often. The server starts feeling slow, uploads get stuck at 100 percent, or you notice your cloud bill creeping up without any clear reason. You check top or htop, but everything looks fine because those tools only show…...
5 Faster Ways to Copy Large or Millions of Files in Linux
3+ mon, 1+ week ago (1200+ words) New to Linux commands? Our 100+ Essential Linux Commands course covers everything you used in this guide and a lot more with real examples and explanations. You’ve been copying files with cp for years, and if you’re moving a 50GB backup or…...
mktemp: Create Secure Temporary Files Easily in Linux
4+ mon, 6+ hour ago (1583+ words) New to Linux commands? Our 100+ Essential Linux Commands course covers everything you used in this guide and a lot more with real examples and explanations. The mktemp command in Linux creates temporary files and directories with unique, unpredictable names, which…...
4 Ways to Check Which Process is Using a Port in Linux
6+ mon, 1+ week ago (875+ words) In this article, you will learn how to find which process or service is listening on a particular port in Linux using ss, netstat, lsof, and fuser commands. A port is a logical entity that represents an endpoint of communication…...
How to Encrypt and Decrypt Files Using GPG in Linux
6+ mon, 4+ week ago (1164+ words) In this article, we show you how to encrypt files with GPG in Linux, generate key pairs, share encrypted files securely, and decrypt them. In computing, encryption is a popular and most often the recommended technique of hiding information in…...
How to Setup an L2TP/IPsec VPN Client on Linux
8+ mon, 2+ day ago (1296+ words) L2TP (which stands for Layer 2 Tunneling Protocol) is a tunneling protocol designed to support virtual private networks (VPN connections) over the internet. It is implemented in most if not all, modern operating systems including Linux and VPN-capable devices. The L2TP does not…...
How to Safely Use sudo in Linux for User Management
10+ mon, 4+ week ago (1841+ words) Linux is generally more secure than many other operating systems. A key part of this security comes from user management and permissions, which control who can do what on the system. By default, normal users cannot perform system-level operations. When…...