Shulou(Shulou.com)06/03 Report--

Request:

Clear the simple command script for the messages log file under / var/log

To run this script using the root identity

Clear log script, version

#! / bin/bash# clear log script, when version 2LOG_DIR=/var/logROOT_UID=0 # $UID is 0 Only users have root user privileges # to run if ["$UID"-ne "$ROOT_UID"] then echo "Must be root to run this script" exit 1ficd $LOG_DIR using root users | {echo "cannot change to necessary directory" > & 2 # | |: yes or If the previous execution is unsuccessful, the following & 2: standard error exit 1} cat / dev/null > messages & & echo "Logs cleaned up" # clears the log exit 0

Welcome to subscribe "Shulou Technology Information " to get latest news, interesting things and hot topics in the IT industry, and controls the hottest and latest Internet news, technology news and IT industry trends.