[root@rhel5 ~]#chkconfig --list | sendmail -F "List Out all the Server" jkumaron@gmail.com
-F refers To The From Address.
send the mail with the particular text document
sendmail jkumaron@gmail.com < /etc/crontab
Add Entry In cron tab
#0 2,13 * * * /sbin/ping -c 10.0.0.1; ls -la >>/var/log/cronrun
It will execute ping and ls -la command at 2AM and 1PM and it will put the output of command into the log file /var/log/cronrun
it will store the shell script output to the corresponding file /tmp/backup.log file.
> | Redirect to output |
2> | Redirect to error |
2>&1 | Redirect to error to standard output |
< | Redirect to input |
| | Pipe standard output to another command |
>> | Append to standard output |
2>&1| | Pipe standard output and standard error to another command |
0 Comments