部分旧版本的Alibaba Cloud Linux 2操作系统中，可能出现polkit内存泄露的问题。polkit是Linux系统中一个用于控制系统范围内权限的组件，它通常作为守护进程运行，并且与系统安全相关，所以polkit内存泄露可能导致安全问题和性能下降。本文...
操作系统限制 架构 操作系统 x86架构 Rocky Linux 9.5 Rocky Linux 9.1 Ubuntu 20.04 Alibaba Cloud Linux 3 容器优化版 Rocky Linux 8.8 Ubuntu 22.04 Alibaba Cloud Linux 3 Pro Alibaba Cloud Linux 2/3 CentOS 7.6及更高版本，或CentOS...
This topic describes the cause of and solutions to the following issue:When you install a kernel version on an Elastic Compute Service(ECS)instance that runs Alibaba Cloud Linux 3 and the kernel version is earlier than the...
If the systemd service cannot run normally in your Alibaba Cloud Linux 2 operating system,you can troubleshoot the problem based on the solution described in this topic.Problem description On an Elastic Compute Service(ECS...
您可以在创建ECS实例时，选择使用Alibaba Cloud Linux 等保2.0三级版镜像。当您成功创建对应的ECS实例后，第一次远程连接该实例时，需要立即完成等级保护加固的配置。操作步骤 创建ECS实例。具体操作，请参见 自定义购买实例。在创建过程中...
CentOS 7停止维护EOL（End of Life）后，您可以选择将CentOS 7迁移至Alibaba Cloud Linux 3。迁移前可以通过本文了解Alibaba Cloud Linux 3与CentOS 7有哪些区别。说明 关于CentOS EOL的应对方案，请参见 CentOS EOL应对方案。各操作系统在...
This topic describes the causes of and solutions to the issue that a large number of processes cannot be created on an Elastic Compute Service(ECS)instance that runs Alibaba Cloud Linux 2.Problem description When the fork ...
A pod in a Kubernetes cluster may fail to be initialized after a node that runs Alibaba Cloud Linux 3 and has an early Systemd version is added to the cluster.This topic describes the cause of and solution to the preceding...
操作系统限制 架构 操作系统 x86架构 Rocky Linux 9.5 Rocky Linux 9.1 Ubuntu 20.04 Alibaba Cloud Linux 3 容器优化版 Rocky Linux 8.8 Ubuntu 22.04 Alibaba Cloud Linux 3 Pro Alibaba Cloud Linux 2/3 CentOS 7.6及更高版本，或CentOS...
Alibaba Cloud releases Alibaba Cloud Linux 2 images on a regular basis that include the latest operating system features,functionality,and security patches.This topic describes the latest versions of and updates to Alibaba...
操作系统限制 架构 操作系统 x86架构 Rocky Linux 9.5 Rocky Linux 9.1 Ubuntu 20.04 Alibaba Cloud Linux 3 容器优化版 Rocky Linux 8.8 Ubuntu 22.04 Alibaba Cloud Linux 3 Pro Alibaba Cloud Linux 2/3 CentOS 7.6及更高版本，或CentOS...
The Alibaba Cloud Linux 3 operating system uses the 12-hour format.Other operating systems such as Anolis OS 8 and CentOS 8 use the 24-hour format.The time format inconsistency may cause inconvenience to users.This topic ...
阿里云已为Alibaba Cloud Linux 2和Alibaba Cloud Linux 3等保2.0三级版镜像提供了等保合规的基线检查标准和扫描程序。本文以Alibaba Cloud Linux 3为例为您介绍如何配置等保合规的基线检查策略，以实现对ECS实例进行等保合规基线检查。...
Alibaba Cloud Linux 4默认使能cgroup v2，但也同时支持切换以使能cgroup v1。本文将描述如何确认当前的cgroup版本以及对应的切换方式。说明 cgroup v1和cgroup v2是cgroup机制的两个主要版本，它们在设计理念和使用方法上存在一些显著差异...
操作系统限制 架构 操作系统 x86架构 Rocky Linux 9.5 Rocky Linux 9.1 Ubuntu 20.04 Alibaba Cloud Linux 3 容器优化版 Rocky Linux 8.8 Ubuntu 22.04 Alibaba Cloud Linux 3 Pro Alibaba Cloud Linux 2/3 CentOS 7.6及更高版本，或CentOS...
本文介绍了Alibaba Cloud Linux 3（内核 kernel-5.10.60-9.al8 版本）的自研特性（富容器场景下，统计容器内的负载数据）对操作系统 load 的统计逻辑产生影响的原因和解决方案。问题现象 符合如下条件的操作系统在无任何负载时启用 top ...
Alibaba Cloud Linux 3：Alibaba Cloud Linux 3 On-premise Image Alibaba Cloud Linux 2：Alibaba Cloud Linux 2 On-premise Image 步骤二：本地生成seed.img引导镜像 Alibaba Cloud Linux镜像本身不能直接启动虚拟机，需要配置引导镜像...
Alibaba Cloud Linux 最终用户使用许可协议
the operation fails on an Alibaba Cloud Linux 2 or Alibaba Cloud Linux 3 instance.Problem description When you attempt to open a file in read-only mode or run the touch command to trigger a copy-up process on an Alibaba ...
操作系统限制 架构 操作系统 x86架构 Rocky Linux 9.5 Rocky Linux 9.1 Ubuntu 20.04 Alibaba Cloud Linux 3 容器优化版 Rocky Linux 8.8 Ubuntu 22.04 Alibaba Cloud Linux 3 Pro Alibaba Cloud Linux 2/3 CentOS 7.6及更高版本，或CentOS...
This topic describes the cause of and solution to the issue that an Alibaba Cloud Linux 3 instance cannot start after the alinux-base-setup-3.2-7.al8 component is installed,and how to prevent it.Problem description After ...
本文介绍Alibaba Cloud Linux定期发布的CVE（Common Vulnerabilities and Exposures）更新记录。阿里云服务器操作系统安全中心
本文主要介绍在Alibaba Cloud Linux 2操作系统中查看系统或内核参数、设置内核转储功能的操作步骤，同时提供了Debuginfo包、源码包以及实验性软件包的获取方式。查看或修改参数 查看或修改系统参数 Alibaba Cloud Linux 2在配置文件/etc/...
受影响发行版 目前该问题影响所有 Linux 5.1 内核版本及以上的发行版，主要列举如下：Alibaba Cloud Linux 3（Linux 5.10 内核）Alibaba Cloud Linux 4（Linux 6.6 内核）Ubuntu 20.04 LTS（Linux 5.4 内核）Ubuntu 22.04 LTS（Linux 5.15 ...
Linux supports the user namespace feature.The feature enables processes to have different user IDs and group IDs in different user namespaces to isolate permissions.However,enabling the user namespace feature increases the...
操作系统限制 架构 操作系统 x86架构 Rocky Linux 9.5 Rocky Linux 9.1 Ubuntu 20.04 Alibaba Cloud Linux 3 容器优化版 Rocky Linux 8.8 Ubuntu 22.04 Alibaba Cloud Linux 3 Pro Alibaba Cloud Linux 2/3 CentOS 7.6及更高版本，或CentOS...
This topic describes the causes of and solutions to the issue that you cannot query or configure the routing information of an Elastic Compute Service(ECS)instance that runs Alibaba Cloud Linux 2.Problem description You ...
This topic describes the cause of and solution to the issue that the Send-Q return value is 0 after an ss command is run on an Alibaba Cloud Linux 2 Elastic Compute Service(ECS)instance.Problem description After you run ...
This topic describes the technical support that Alibaba Cloud provides for Alibaba Cloud Linux and the contact information of Alibaba Cloud technical support personnel.Alibaba Cloud provides the following technical support...
操作系统限制 架构 操作系统 x86架构 Rocky Linux 9.5 Rocky Linux 9.1 Ubuntu 20.04 Alibaba Cloud Linux 3 容器优化版 Rocky Linux 8.8 Ubuntu 22.04 Alibaba Cloud Linux 3 Pro Alibaba Cloud Linux 2/3 CentOS 7.6及更高版本，或CentOS...
This topic describes the cause of the following issue and how to resolve the issue:The free command output indicates that the memory usage of a container running on an Alibaba Cloud Linux 3 host is higher the memory usage ...
Alibaba Cloud Linux 2 supports the following kernel TCP congestion control algorithms:Reno,Bottleneck Bandwidth and Round-trip propagation time(BBR),and CUBIC.These algorithms perform differently in various network ...
When you make system calls such as read and copy_file_range to read files from a Network File System(NFS)file system on an Alibaba Cloud Linux 3 instance,the read performance may significantly degrade compared with when ...