Тег: linux

EndeavourOS 2020.09.20
An updated build of EndeavourOS, a rolling-release distribution based on Arch Linux and featuring the Xfce desktop, is now ready for download. Besides updated kernel and packages, version 2020.09.20 also brings an improved Welcome app: "We

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IPFire is a Linux-based distribution for network appliances such as routers and firewalls. The project's latest release is IPFire 2.25 Core Update 149 which focuses on performance improvements. "IPFire is based on glibc 2.32, the standard library for all C programs, and GCC 10.2, the GNU Compiler Collection. Both bring various bug fixes and improvements. The most notable change is that we have decided to remove a mitigation Spectre 2 which caused that user space programs in IPFire were running about 50% slower due to using a microcode feature which is called "retpoline". Those "return trampolines" disable the branch prediction engine in out-of-order processors which was considered to help with mitigating leaking any information from any unaccessible kernel space. This is however not as effective as thought and massively decreases performance in the user land which mainly affects features like our Intrusion Prevention System, Web Proxy and URL filter. We still use this mechanism to avoid leaking any kernel memory into the user space."

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IPFire is a Linux-based distribution for network appliances such as routers and firewalls. The project's latest release is IPFire 2.25 Core Update 149 which focuses on performance improvements. "IPFire is based on glibc 2.32, the standard library for all C programs, and GCC 10.2, the GNU Compiler Collection. Both bring various bug fixes and improvements. The most notable change is that we have decided to remove a mitigation Spectre 2 which caused that user space programs in IPFire were running about 50% slower due to using a microcode feature which is called "retpoline". Those "return trampolines" disable the branch prediction engine in out-of-order processors which was considered to help with mitigating leaking any information from any unaccessible kernel space. This is however not as effective as thought and massively decreases performance in the user land which mainly affects features like our Intrusion Prevention System, Web Proxy and URL filter. We still use this mechanism to avoid leaking any kernel memory into the user space."

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Manjaro Linux 20.1
"We are happy to publish another stable release of Manjaro Linux, named 'Mikah'. The Xfce edition remains our flagship offering and has received the attention it deserves. With this release we ship Xfce 4.14 and have mostly focused on polishing the user experience with the desktop and window manager. Also we have switched to a new theme called Matcha. The new Display-Profiles feature allows you to store one or more profiles for your preferred display configuration. We also have implemented auto-application of profiles when new displays are connected. Our KDE edition provides the powerful, mature and feature-rich Plasma 5.19 desktop environment with a unique look-and-feel, which we had completely re-designed."

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Manjaro Linux 20.1
"We are happy to publish another stable release of Manjaro Linux, named 'Mikah'. The Xfce edition remains our flagship offering and has received the attention it deserves. With this release we ship Xfce 4.14 and have mostly focused on polishing the user experience with the desktop and window manager. Also we have switched to a new theme called Matcha. The new Display-Profiles feature allows you to store one or more profiles for your preferred display configuration. We also have implemented auto-application of profiles when new displays are connected. Our KDE edition provides the powerful, mature and feature-rich Plasma 5.19 desktop environment with a unique look-and-feel, which we had completely re-designed."

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