| aliyun_2_1903_x64_20G_alibase_20230103.vhd | 2023-01-03 | - The
Alibaba Cloud Linux 2.1903 LTS 64-bit base image is updated to include the latest software versions. - Kernel updates:
- The kernel version is updated to 4.19.91-27.al7.
- Kernel bugs and critical security vulnerabilities are fixed.
- synchronize_rcu_expedited is used in namespace_unlock to speed up the grace period of the read-copy update (RCU) mechanism, which increases the startup speed of 100 busybox containers by 19%.
- The buffer size of the Trusted Platform Module driver is adjusted to prevent errors caused by insufficient memory during context switching.
- The mq-deadline io scheduler is enabled by default.
- The stability of the Non-Volatile Memory Express (NVMe), megaraid_sas, and mpt3sas drivers is improved.
- Aero-series RAID controllers are fully supported.
- The following features developed in-house by Alibaba Cloud are supported:
- The group identity feature can be dynamically enabled.
- The zero page is used to fill the sparse file caused by a read page fault, which can reduce memory consumption during virtual machine boots.
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| aliyun_2_1903_x64_20G_alibase_20221118.vhd | 2022-11-18 | - The
Alibaba Cloud Linux 2.1903 LTS 64-bit base image is updated to include the latest software versions. - The image is compatible with the latest CentOS 7.9 version.
- The kernel version is updated to 4.19.91-26.6.al7.x86_64. You can run the uname -r command to check the kernel version.
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| aliyun_2_1903_x64_20G_alibase_20221102.vhd | 2022-11-02 | - The
Alibaba Cloud Linux 2.1903 LTS 64-bit base image is updated to include the latest software versions. - The image is compatible with the latest CentOS 7.9 version.
- The kernel version is updated to 4.19.91-26.6.al7.x86_64. You can run the uname -r command to check the kernel version.
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| aliyun_2_1903_x64_20G_alibase_20220815.vhd | 2022-08-15 | - The
Alibaba Cloud Linux 2.1903 LTS 64-bit base image is updated to include the latest software versions. - The image is compatible with the latest CentOS 7.9 version.
- The kernel version is updated to 4.19.91-26.1.al7.x86_64. You can run the uname -r command to check the kernel version.
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| aliyun_2_1903_x64_20G_alibase_20220727.vhd | 2022-07-27 | - The
Alibaba Cloud Linux 2.1903 LTS 64-bit base image is updated to include the latest software versions. - The image is compatible with the latest CentOS 7.9 version.
- The kernel version is updated to 4.19.91-26.al7.x86_64. You can run the uname -r command to check the kernel version.
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| aliyun_2_1903_x64_20G_alibase_20220701.vhd | 2022-07-01 | - The
Alibaba Cloud Linux 2.1903 LTS 64-bit base image is updated to include the latest software versions. - The image is compatible with the latest CentOS 7.9 version.
- The kernel version is updated to 4.19.91-26.al7.x86_64. You can run the uname -r command to check the kernel version.
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| aliyun_2_1903_x64_20G_alibase_20220525.vhd | 2022-05-25 | - The
Alibaba Cloud Linux 2.1903 LTS 64-bit base image is updated to include the latest software versions. - Kernel updates:
- The kernel version is updated to 4.19.91-26.al7.
- Kernel bugs and critical security vulnerabilities are fixed.
- The following features developed in-house by Alibaba Cloud are supported:
- Group identity
- Isolation enhancement for multi-tenant container networking
- Reclaiming and monitoring of cold slab memory
- Unified Kernel Fault Event Framework (UKFEF)
- The Megaraid_sas driver is supported.
- XDP and XDP sockets are supported by virtio-net.
- The Registry Acceleration File System (RAFS) v6 format based on Enhanced Read-Only File System (EROFS) is supported.
- Static keys are supported by hot fixes.
- SMR hard disks are supported.
- The ext4 delalloc buffer write performance is optimized.
- Kernel unit testing framework (KUnit) is supported.
- More than 4 GB of memory can be reserved for a kdump crash kernel on ARM architecture.
- Arm CoreLink CMN-700 Coherent Mesh Network (CMN) Performance Monitoring Unit (PMN) is supported.
- Shared Data Cache To Cache (C2C)/HITM Analyzer is supported.
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| aliyun_2_1903_x64_20G_qboot_alibase_20220525.vhd | 2022-05-25 | - The
Alibaba Cloud Linux 2.1903 LTS 64-bit (Quick Start) image is updated. - This image is built based on the aliyun_2_1903_x64_20G_alibase_20220525.vhd version of the
Alibaba Cloud Linux 2.1903 LTS 64-bit base image.
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| aliyun_2_1903_x64_20G_alibase_20220413.vhd | 2022-04-13 | - The
Alibaba Cloud Linux 2.1903 LTS 64-bit base image is updated to include the latest software versions. - The image is compatible with the latest CentOS 7.9 version.
- Kernel updates:
- The kernel version is updated to 4.19.91-25.8.al7.x86_64.
- The CVE-2022-1016 and CVE-2022-27666 vulnerabilities are fixed.
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| aliyun_2_1903_x64_20G_alibase_20220408.vhd | 2022-04-08 | - The kernel version is updated to 4.19.91-25.7.al7.x86_64.
- The image is updated to include the latest software packages.
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| aliyun_2_1903_x64_20G_alibase_20220225.vhd | 2022-02-25 | Kernel updates:- The kernel version is updated to 4.19.91-25.6.al7.x86_64. You can run the uname -r command to check the kernel version.
- The CVE-2022-0492, CVE-2021-4197, CVE-2022-0330, CVE-2022-22942, and CVE-2021-4155 vulnerabilities are fixed.
- The UTC time standard is used by the real-time clock (RTC). For more information, see Linux time and time zones
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| aliyun_2_1903_x64_20G_qboot_alibase_20220225.vhd | 2022-02-25 | - The
Alibaba Cloud Linux 2.1903 LTS 64-bit (Quick Start) image is updated. - This image is built based on the aliyun_2_1903_x64_20G_alibase_20220225.vhd version of the
Alibaba Cloud Linux 2.1903 LTS 64-bit base image. - The UTC time standard is used by the RTC. For more information, see Linux time and time zones
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| aliyun_2_1903_x64_20G_alibase_20211216.vhd | 2021-12-16 | Kernel updates:- The kernel version is updated to 4.19.91-25.1.al7.x86_64. You can run the uname -r command to check the kernel version.
- Kernel bugs and critical security vulnerabilities are fixed.
- Kata-container is supported by the ARM64 architecture.
- In IO_uring, the scheduling policies and priorities of sqthread can be modified.
- The cpupower feature used for the AMD Milan platform is added.
- For virtio-fs:
- Performance is optimized and improved.
- The fuse DAX feature is supported.
- The fuse CACHE_DIR/CACHE_SYMLINK feature is supported.
- For crypto, the AVX and AVX2 instruction sets of the SM4 algorithm are optimized in the kernel.
- The following features developed in-house by Alibaba Cloud are supported:
- Rich container
- Hugetext (Transparent huge pages are enabled for code segments.)
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| aliyun_2_1903_x64_20G_qboot_alibase_20211216.vhd | 2021-12-16 | - The
Alibaba Cloud Linux 2.1903 LTS 64-bit (Quick Start) image is updated. - This image is built based on the aliyun_2_1903_x64_20G_alibase_20211216.vhd version of the
Alibaba Cloud Linux 2.1903 LTS 64-bit base image.
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| aliyun_2_1903_x64_20G_alibase_20210726.vhd | 2021-07-26 | - The
Alibaba Cloud Linux 2.1903 LTS 64-bit base image is updated to include the latest software versions and be compatible with the latest CentOS 7.9 version. Common vulnerabilities and exposures (CVEs) are fixed. - Kernel updates:
- The kernel version is updated to 4.19.91-24.1.al7.x86_64. You can run the uname -r command to check the kernel version.
- Critical security vulnerabilities are fixed.
- PCI Express (PCIe) drivers are updated.
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| aliyun_2_1903_x64_20G_qboot_alibase_20210726.vhd | 2021-07-26 | - The
Alibaba Cloud Linux 2.1903 LTS 64-bit (Quick Start) image is updated. - This image is built based on the aliyun_2_1903_x64_20G_alibase_20210726.vhd version of the
Alibaba Cloud Linux 2.1903 LTS 64-bit base image.
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| aliyun_2_1903_x64_20G_alibase_20210630.vhd | 2021-06-30 | - The
Alibaba Cloud Linux 2.1903 LTS 64-bit base image is updated to include the latest software versions and be compatible with the latest CentOS 7.9 version. CVEs are fixed. - Kernel updates:
- The kernel version is updated to 4.19.91-24.al7.x86_64. You can run the uname -r command to check the kernel version.
- Kernel bugs and critical security vulnerabilities are fixed.
- The x86 FSGSBASE feature is supported.
- The AMD Milan architecture is supported.
- The RDMA NET Namespace feature is supported.
- The ZSR feature is supported.
- The group identity feature is supported in scenarios in which CPU resources are isolated.
- The ARM64 MPAM feature is supported.
- The Hisilicon, Phytium, and Zhaoxin architectures are supported.
- The information about whether Transparent Huge Page (THP) is enabled for processes is added to /proc/<pid>/status and /proc/<pid>/smap.
- Supported regions: China (Hangzhou), China (Qingdao), China (Beijing), China (Chengdu), China (Hong Kong), and Singapore.
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| aliyun_2_1903_x64_20G_alibase_20210325.vhd | 2021-03-25 | - The
Alibaba Cloud Linux 2.1903 LTS 64-bit base image is updated to include the latest software versions to be compatible with CentOS 7.9. CVEs are fixed. - The CVE-2021-3156 sudo vulnerability in Linux is fixed. For more information, see Vulnerability announcement | Linux sudo permission vulnerability (CVE-2021-3156)
- The default service for network configuration is switched to network-scripts.
- The net.ipv4.tcp_max_tw_buckets value is increased.
- The NVMe driver is added to initramfs.
- The kdump service is enabled by default.
- Kernel updates:
- The kernel version is updated to 4.19.91-23.al7.x86_64. You can run the uname -r command to check the kernel version.
- Kernel bugs and critical security vulnerabilities are fixed.
- Intel Software Guard Extensions (SGX) is supported.
- The network diagnostic tool Ping Trace is supported.
- Cgroups are easier to create for scenarios in which multiple instances are deployed on a single server. This way, the amount of time required to create cgroups can be reduced.
- Intel Ice Lake Machine Check Architecture (MCA) is supported.
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| aliyun_2_1903_x64_20G_qboot_alibase_20210325.vhd | 2021-03-25 | - The
Alibaba Cloud Linux 2.1903 64-bit (Quick Start) image is updated. - This image is built based on the aliyun_2_1903_x64_20G_alibase_20210325.vhd version of the
Alibaba Cloud Linux 2.1903 LTS 64-bit base image. - Supported regions: China (Hangzhou), China (Beijing), China (Zhangjiakou), China (Shenzhen), China (Hong Kong), Singapore, Malaysia (Kuala Lumpur), and US (Virginia).
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| aliyun_2_1903_x64_20G_qboot_alibase_20210218.vhd | 2021-02-18 | - The
Alibaba Cloud Linux 2.1903 64-bit (Quick Start) image is updated. - The default service for network configuration is switched to network-scripts.
- The CVE-2021-3156 sudo vulnerability in Linux is fixed. For more information, see Vulnerability announcement | Linux sudo permission vulnerability (CVE-2021-3156)
- Supported regions: China (Hangzhou), China (Shenzhen), China (Beijing), China (Zhangjiakou), China (Hong Kong), Singapore, Malaysia (Kuala Lumpur), and US (Virginia).
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| aliyun_2_1903_x64_20G_alibase_20210120.vhd | 2021-01-20 | - The
Alibaba Cloud Linux 2.1903 LTS 64-bit base image is updated to include the latest software versions and be compatible with the latest CentOS 7.9 version. CVEs are fixed. - The update-motd service is added and enabled by default.
- The rhel-loadmodules service is enabled by default.
- The vring_force_dma_api startup parameter is added.
- Kernel updates:
- The kernel version is updated to 4.19.91-22.2.al7.x86_64. You can run the uname -r command to check the kernel version.
- Kernel bugs and critical security vulnerabilities are fixed.
- The kernel file system is updated to the latest ext4 file system from the Linux community to gain enhanced stability.
- RAID is supported by default.
- The Dragonfly Enclaves feature is supported.
- The performance of Intel Ice Lake PMU Topdown can be debugged.
- The read capability of io_uring buffer is optimized.
- blk-throttle is optimized.
- The Chinese cryptographic algorithm SM2 and the standard X509-formatted certificate that uses the SM2-with-SM3 Chinese cryptographic algorithm are supported.
- blk-mq batch requests are supported.
- The PCIe Error recover feature is supported.
- Swap is optimized to improve the memory overselling stability.
- The container enhancement technology is supported.
- The CPU burst feature is supported. For more information, see Enable the CPU burst feature for cgroup v1.
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| aliyun_2_1903_x64_20G_qboot_alibase_20210120.vhd | 2021-01-20 | - The
Alibaba Cloud Linux 2.1903 64-bit (Quick Start) image is updated. - This image is built based on the aliyun_2_1903_x64_20G_alibase_20210120.vhd version of the
Alibaba Cloud Linux 2.1903 LTS 64-bit base image. - Supported regions: China (Hangzhou), China (Shenzhen), China (Beijing), China (Zhangjiakou), China (Hong Kong), Singapore, Malaysia (Kuala Lumpur), and US (Virginia).
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| aliyun_2_1903_x64_20G_alibase_20200904.vhd | 2020-09-04 | - The
Alibaba Cloud Linux 2.1903 LTS 64-bit base image is updated to include the latest software versions and be compatible with the latest CentOS 7.8 version. CVEs are fixed. - Aliyun Linux release 7.2 LTS (Hunting Beagle) in /etc/redhat-release is replaced by Alibaba Cloud Linux (Aliyun Linux) release 2.1903 LTS (Hunting Beagle).
- The image type information in /etc/image-id is optimized.
- The tuned service is enabled by default.
- Kernel updates:
- The kernel version is updated to 4.19.91-21.al7.x86_64. You can run the uname -r command to check the kernel version.
- Kernel bugs and security vulnerabilities are fixed.
- The io_uring bug is fixed and new features are added.
- THP fork optimization is added to accelerate the creation of memory-intensive processes.
- Secure operations on Apache Pass (AEP) devices are supported.
- The TCP-RT feature developed by Alibaba Cloud is supported.
- The virtio-mem feature is supported.
- The PCIe Gen4 feature, the Reliability, Availability, and Serviceability (RAS) feature, and the power management of Intel Ice Lake processors are enhanced.
- The Intel Speed Select Technology is supported.
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| aliyun_2_1903_x64_20G_qboot_alibase_20200904.vhd | 2020-09-04 | - The
Alibaba Cloud Linux 2.1903 64-bit (Quick Start) image is updated. - This image is built based on the aliyun_2_1903_x64_20G_alibase_20200904.vhd version of the
Alibaba Cloud Linux 2.1903 LTS 64-bit base image. - Supported regions: China (Hangzhou), China (Shenzhen), China (Zhangjiakou), and China (Hong Kong).
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| aliyun_2_1903_x64_20G_alibase_20200529.vhd | 2020-05-29 | - The
Alibaba Cloud Linux 2.1903 LTS 64-bit base image is updated to include the latest software versions and be compatible with the latest CentOS 7.8 version. CVEs are fixed. - The /etc/image-id file that contains image information such as the image type is added.
- The tuned service is disabled by default.
- Kernel updates:
- The kernel version is updated to 4.19.91-19.1.al7.x86_64. You can run the uname -r command to check the kernel version.
- The kernel interfaces supported by the Alibaba Cloud kernel for collecting scheduling and memory Quality of Service (QoS) metrics are open sourced. These interfaces can be used to perform fine-grained monitoring of Service Level Indicators (SLIs) related to scheduling and memory.
- The kernel interfaces supported by the Alibaba Cloud kernel for controlling priorities of processes when a memcg is out of memory (OOM) are open sourced. These interfaces can be used to improve protection on important processes during system OOM.
- AMD QoS is supported.
- The virtio pmem driver is supported.
- The free page reporting feature is supported to enhance the awareness of hypervisors about idle memory of a guest OS, and improve the management and utilization efficiency of physical memory resources.
- Memory compaction is optimized to reduce memory fragmentation and improve system memory usage.
- Kernel bugs and security vulnerabilities are fixed.
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| aliyun_2_1903_x64_20G_alibase_20200324.vhd | 2020-03-24 | - The
Alibaba Cloud Linux 2.1903 LTS 64-bit base image is updated to include the latest software versions and be compatible with the latest CentOS 7.8 version. CVEs are fixed. - The latest fixes for CVEs can be obtained by using YUM.
- The LTS version of Alibaba Cloud Linux 2 is released and /etc/alinux-release is updated to Aliyun Linux release 2.1903 LTS (Hunting Beagle).
- The tuned service is enabled by default.
- Kernel updates:
- The kernel version is updated to 4.19.91-18.al7.x86_64. You can run the uname -r command to check the kernel version.
- NVMe devices are supported.
- The THP feature is enabled by default to improve application performance.
- io_uring is added.
- Intel_idle and guest halt polling are enabled to improve the guest CPU performance.
- ftrace syscalls is enabled to enhance the performance of the bpftrace tool.
- Multiple Alibaba Cloud optimizations and bug fixes to the kernel including subsystems such as schedulers, memory, file systems, and block layers are open sourced.
- Kernel security vulnerabilities are fixed.
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| aliyun_2_1903_x64_20G_alibase_20200221.vhd | 2020-02-21 | - The
Alibaba Cloud Linux 2.1903 LTS 64-bit base image is updated to include the latest software versions and be compatible with the latest CentOS 7.8 version. CVEs are fixed. - IPv6 is enabled by default.
- Kernel updates:
- The kernel version is updated to 4.19.81-17.1.al7.x86_64. You can run the uname -r command to check the kernel version.
- Intel Cooper Lake processors and Ice Lake processors are supported.
- The support for AMD and ARM 64-bit CPU architectures is enhanced.
- Persistent memory is supported.
- The blk-iocost feature is supported. This feature is based on the cost model and the weight-based throttling feature of blkio cgroup controllers. For more information, see Configure the weight-based throttling feature of blk-iocost.
- The Pressure Stall Information (PSI) feature that is implemented based on cgroup v1 interfaces is supported. For more information, see Enable the PSI feature for cgroup v1.
- Multiple Alibaba Cloud optimizations and bug fixes to the kernel including subsystems such as schedulers, memory, file systems, and block layers are open sourced.
- Kernel security vulnerabilities are fixed.
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| aliyun_2_1903_x64_20G_alibase_20200114.qboot.vhd | 2020-01-14 | - The
Alibaba Cloud Linux 2.1903 64-bit (Quick Start) image is released. - Kernel updates:
- The kernel version is updated to 4.19.81-17.al7.x86_64. You can run the uname -r command to check the kernel version.
- Quick boot (Qboot) is supported.
- Supported regions: China (Beijing), China (Hangzhou), and China (Hong Kong).
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| aliyun_2_1903_64_20G_alibase_20190829.vhd | 2019-08-29 | - The
Alibaba Cloud Linux 2.1903 LTS 64-bit base image is updated to include the latest software versions. - Kernel updates:
- The kernel version is updated to 4.19.57-15.1.al7.x86_64. You can run the uname -r command to check the kernel version.
- The Spectre-V1 SWAPGS vulnerability is fixed.
- Issues of DM bio splitting code are resolved.
- The default TCP congestion control algorithm is set to CUBIC.
- Network configurations are stored in the 10-eth0.network file.
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| aliyun_2_1903_64_20G_alibase_20190619.vhd | 2019-06-19 | - The
Alibaba Cloud Linux 2.1903 LTS 64-bit base image is updated to include the latest software versions. - Kernel updates:
- The kernel version is updated to 4.19.43-13.2.al7.x86_64. You can run the uname -r command to check the kernel version.
- The cgroup writeback feature that is implemented based on cgroup v1 interfaces is supported.
- Policy-based routing is supported.
- The INET_DIAG kernel configuration item is enabled to support the ss command from the iproute2 suite.
- The configurable net.ipv4.tcp_tw_timeout kernel interface is supported.
- The following network-related CVEs are fixed:
- CVE-2019-11477
- CVE-2019-11478
- CVE-2019-11479
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| aliyun-2.1903-x64-20G-alibase-20190507.vhd | 2019-05-07 | - The
Alibaba Cloud Linux 2.1903 LTS 64-bit base image is updated to include the latest software versions. - The issue of time synchronization latency on instance startup is resolved.
- The kernel version is updated to 4.19.34-11.al7.x86_64. You can run the uname -r command to check the kernel version. Several issues are resolved.
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| aliyun-2.1903-x64-20G-alibase-20190327.vhd | 2019-03-27 | - The
Alibaba Cloud Linux 2.1903 LTS 64-bit base image is released. - The 4.19.24-9.al7.x86_64 kernel version is used in the base image. You can run the uname -r command to check the kernel version.
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