Dicas diversas sobre TI, sistemas operacionais e networking
awk '{$2="#"$2;print $0}' your_fileThis will add # to the start of the second (space-separated) column regardless of which position it occurs at.
sed -r -e 's/^.{15}/&#/' file
Insert '#' in position 15
importar chave repo sudo apt install -y ca-certificates curl sudo curl -fsSLo /usr/share/keyrings/deb.sury.org-php.gpg https://packages.sur...
