Rust rewrites in your Ubuntu base system
Find which base tools on your Ubuntu server are Rust rewrites, which package installed them, and what that changes for your shell scripts and cron jobs.
#coreutils
Filtering by topic #coreutils · clear
df says full, du says otherwise: find the space
Your VPS disk reads full and a directory walk cannot find the space. Find the deleted file a process still holds open, and the other causes.
chmod 755 vs u+x: numeric and symbolic modes
Change Linux permissions with chmod: the octal digits, the u/g/o symbolic form, why a recursive numeric mode breaks a tree, and what capital X fixes.
Bash Command Substitution: $() vs Backticks
Why $(...) runs in a subshell, so cd and variables vanish, why backticks nest badly, and the process substitution tricks that keep state in your shell.