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Posted inLinux

Securing Your Infrastructure Against CVE-2026-31431 (CopyFail)

Posted by By Serafin April 30, 2026
A new local privilege escalation (LPE) vulnerability, tracked as CVE-2026-31431 (dubbed "CopyFail"), has recently surfaced, impacting a…
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Prevent GNU Screen from resizing your SecureCRT window

Posted by By Serafin March 13, 2026
Have you noticed that starting or reattaching to a screen session causes all your SecureCRT…
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PXE Boot Raspberry Pi4 with Mikrotik* DHCP and TFTP server.

Posted by By Serafin July 11, 2020
*You also need another machine to provide NFS share. Setup Mikrotik DHCP and optional TFTP…
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