Linux symlinks: ln -s, readlink and ln -sfn
Learn how ln -s links work on Linux: absolute versus relative targets, readlink and realpath, and the ln -sfn and mv -T release switch for VPS deploys.
#filesystem
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Mount options that harden /tmp and /home
What nosuid, nodev and noexec really stop on a Linux VPS, the fstab and bind mount entries for /tmp, /var/tmp, /dev/shm and /home, and what breaks.