干货福利，第一时间送达！ 最近有小伙伴说没有收到当天的文章推送，这是因为微信更改了推送机制，导致没有星标公众号的小伙伴刷不到当天推送的文章，无法接收到一些比较实用的知识和资讯。所以建议大家加个星标⭐️，以后就能第一时间收到推送了。

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 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，可以提升权限至 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 ...

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 ...

A major vulnerability impacting a large chunk of the Linux ecosystem has been patched today in Sudo, an app that allows admins to delegate limited root access to other users. For the technical details ...

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。

A vulnerability in the Linux sudo command has been discovered that could allow unprivileged users to execute commands as root. Thankfully, this vulnerability only works in non-standard configurations ...

Security researcher Sebastian Krahmer has recently discovered that a previously known security flaw in the systemd project can be used for more than crashing a Linux distro but also to grant local ...

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 ...