debian:cron

SCRIPT: list ALL cron on Debian

all_ban.sh

#!/bin/bash
# System-wide crontab file and cron job directory. Change these for your system.
CRONTAB='/etc/crontab'
CRONDIR='/etc/cron.d'
# Single tab character. Annoyingly necessary.
tab=$(echo -en "\t")
# Given a stream of crontab lines, exclude non-cron job lines, replace
# whitespace characters with a single space, and remove any spaces from the
# beginning of each line.
function clean_cron_lines() {
  while read line ; do
      echo "${line}" |
          egrep --invert-match '^($|\s*#|\s*[[:alnum:]_]+=)' |
          sed --regexp-extended "s/\s+/ /g" |
          sed --regexp-extended "s/^ //"
  done;
}
# Given a stream of cleaned crontab lines, echo any that don't include the
# run-parts command, and for those that do, show each job file in the run-parts
# directory as if it were scheduled explicitly.
function lookup_run_parts() {
  while read line ; do
      match=$(echo "${line}" | egrep -o 'run-parts (-{1,2}\S+ )*\S+')
      if [[ -z "${match}" ]] ; then
          echo "${line}"
      else
          cron_fields=$(echo "${line}" | cut -f1-6 -d' ')
          cron_job_dir=$(echo  "${match}" | awk '{print $NF}')
          if [[ -d "${cron_job_dir}" ]] ; then
              for cron_job_file in "${cron_job_dir}"/* ; do  # */ <not a comment>
                  [[ -f "${cron_job_file}" ]] && echo "${cron_fields} ${cron_job_file}"
              done
          fi
      fi
  done;
}
# Temporary file for crontab lines.
temp=$(mktemp) || exit 1
# Add all of the jobs from the system-wide crontab file.
cat "${CRONTAB}" | clean_cron_lines | lookup_run_parts >"${temp}" 
# Add all of the jobs from the system-wide cron directory.
cat "${CRONDIR}"/* | clean_cron_lines >>"${temp}"  # */ <not a comment>
# Add each user's crontab (if it exists). Insert the user's name between the
# five time fields and the command.
while read user ; do
  crontab -l -u "${user}" 2>/dev/null |
      clean_cron_lines |
      sed --regexp-extended "s/^((\S+ +){5})(.+)$/\1${user} \3/" >>"${temp}"
done < <(cut --fields=1 --delimiter=: /etc/passwd)
# Output the collected crontab lines. Replace the single spaces between the
# fields with tab characters, sort the lines by hour and minute, insert the
# header line, and format the results as a table.
cat "${temp}" |
  sed --regexp-extended "s/^(\S+) +(\S+) +(\S+) +(\S+) +(\S+) +(\S+) +(.*)$/\1\t\2\t\3\t\4\t\5\t\6\t\7/" |
  sort --numeric-sort --field-separator="${tab}" --key=2,1 |
  sed "1i\mi\th\td\tm\tw\tuser\tcommand" |
  column -s"${tab}" -t
rm --force "${temp}" 
  • debian/cron.txt
  • Dernière modification : 2022/11/08 16:43
  • de 127.0.0.1