am a new Ubuntu Linux 16.04 user. How do I verify that my cron job is executing? I am unable to find /var/log/cron.log file. Where is the cron log file on Ubuntu Linux 16.04 LTS server or above?
I‘m getting this message in my /var/log/cron
Mar 12 09:20:01 server2 crond: (*system*) BAD FILE MODE (/etc/cron.d/vnstat)
How do I fix this problem under Fedora / CentO / RHEL or any Linux distro?
I login to my UNIX system as a normal user. However, I need to update my cronjob entry. But, I can’t find where the crontab file is. How do I find out my crontab file location?
Q. How do I capture specific protocol or port such as 80 ( http ) using TCPDump tool under Linux / UNIX? How do I recording Traffic with TCPDump and find problems later on?
How do I test iptables based script remotely over ssh session? How do I avoid lock outs?