Logging in as the root user should never be done on Linux. Using the root account could lead to disaster. Sudo is the preferred method of gaining elevated privileges. When I first started using Linux ...

IT之家 6 月 18 日消息，安全研究人员发现了两种新的本地权限提升漏洞（LPE），攻击者可以利用这些漏洞完全控制系统，或获得 root 权限，影响主要的 Linux 发行版。这一发现引起了全球系统管理员的警惕。 第一个漏洞，编号 CVE-2025-6018，存在于 openSUSE Leap 15 和 ...

为避免直接使用root账号带来的风险，同时让普通用户能执行必要的管理员操作（如安装软件、修改配置），sudo命令应运而生。sudo（全称为“superuser do”）的核心功能是“让普通用户在授权范围内，临时以root或其他用户身份执行命令”，是Linux系统中保障安全与灵活性的关键工具。

Two new vulnerabilities have been discovered in widely deployed Linux components that could allow unprivileged users to gain root access across popular distributions. The first is a local privilege ...

IT之家 7 月 2 日消息，科技媒体 borncity 昨日（7 月 1 日）发布博文，报道称 Linux 中的 sudo 命令存在严重漏洞，被攻击者利用，可以提前权限至 root 级别。 IT之家援引博文介绍，该漏洞追踪编号为 CVE-2025-32463，其根源在于系统不当处理 /etc/ nsswitch.conf 文件，可能 ...

Malware targeting Linux users may not be as widespread as the strains targeting the Windows ecosystem, but Linux malware is becoming just as complex and multi-functional as time passes by. The latest ...

There was a time when, to use a computer, you merely turned it on and were greeted by a command prompt. Nowadays, most operating systems offer a security model with multiple users. Typically, the ...

The dangerous Linux privilege escalation flaw dubbed Dirty Pipe that was recently disclosed could also impact applications and systems that use containerization through tools such as Docker, ...