A memory leak may occur in polkit in specific early versions of Alibaba Cloud Linux 2.Polkit is a component in Linux operating systems that is used to control system-wide privileges.In most cases,polkit runs as a daemon ...
Python 2.7 in Alibaba Cloud Linux 3 reached its end of lifecycle(EOL)on June 20,2025,after which related components are no longer updated.This topic describes how to upgrade from Python 2 to Python 3 and provides related ...
An error message appears if you upgrade the kernel of an Alibaba Cloud Linux 3.8 image.This topic describes the impact of and the solution to the issue.Problem description When you upgrade the kernel of an Alibaba Cloud ...
Alibaba Cloud Linux系统的CVE-2021-33909安全漏洞内核热补丁修复方案 Alibaba Cloud Linux 2系统的CVE-2021-22555安全漏洞内核热补丁修复方案 Alibaba Cloud Linux 2系统的ECS实例中Page Fault异常导致系统宕机 Alibaba Cloud Linux 2系统...
Linux实例调整limits文件中nofile参数值的方法 message及journalctl-u 无法打印最新日志 Linux系统使用Audit工具配置操作审计 在Linux系统的ECS实例中，执行wget命令时提示“command not found”错误怎么办？在Linux实例系统的ECS实例中，...
This topic describes how to avoid the risk of data corruption on ext4 file systems that are created in nojournal mode on Alibaba Cloud Linux 3 and Alibaba Cloud Linux 4 operating systems.Important All versions of Alibaba ...
Alibaba Cloud Linux 4 LTS 64-bit Deb Edition is the first long-term support(LTS)version in the Alibaba Cloud Linux series to be compatible with the Debian software ecosystem.This operating system is customized for end-to-...
在基于Alibaba Cloud Linux 3系统中模拟网络延迟或丢包等复杂的网络环境时，需要内核支持sch_netem。本文介绍如何解决在内核版本低于 5.10.134-16 的Alibaba Cloud Linux 3系统上sch_netem模块缺失的问题。说明 sch_netem 模块是Linux内核...
This topic describes the causes of and solutions for high CPU utilization that occurs on Alibaba Cloud Linux 3 when eBPF programs use an LRU hash.Problem description On Alibaba Cloud Linux 3,an eBPF program that uses an ...
modify the Alibaba Cloud Linux kernel source code and use the Red Hat Package Manager(RPM)to recompile and re-create custom kernel RPM packages.This ensures that the kernel in use is compatible with Alibaba Cloud Linux ...
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...
本文介绍阿里云为Alibaba Cloud Linux提供的技术支持以及联系方式。阿里云为Alibaba Cloud Linux提供如下技术支持：按各操作系统版本的生命周期（详情请参见 维护周期），提供免费安全更新和问题修复。在保证repo源实时更新的同时，对基础...
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 ...
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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...
Alibaba Cloud Linux images are available in the VHD and QCOW2 formats and have built-in cloud-init.You can use the images on on-premises virtual machines.Only kernel-based virtual machines(KVMs)are supported.This topic ...
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
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...
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 ...