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Linux Kernel 5.1 Reached End of Life, Users Urged to Upgrade to Linux Kernel 5.2

Announced in early May 2019, the Linux 5.1 kernel series brought the ability to use persistent memory as RAM, as well as support for booting to a device-mapper device without using initramfs, support for cumulative patches in live kernel patching, and more preparations for year 2038. However, as all good things must come to an end, the Linux 5.1 kernel has now reached end of life with the 5.1.21 maintenance update released by Greg Kroah-Hartman earlier this week. Therefore, users are now forced to upgrade to a more recent Linux kernel series, such as Linux 5.2.