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 ...
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 ...
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 ...
一学就懂 on MSN
每天一个Linux知识:sudo命令
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。
In the Linux Journal article “Implementing Encrypted Home Directories” (August 2003), I described how to encrypt home directories transparently. This article describes how to implement another ...
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