Linux Log Files
logs in linux
- /var/log/boot.log：
The process of kernel detecting devices during booting and initing core functions will be record here. Only record for each booting.
- /var/log/cron：
cron jobs go here
- /var/log/lastlog：
last login
- /var/log/maillog 或 /var/log/mail/*：
for postfix (SMTP) and dovecot (POP3)
- /var/log/messages：
important Every major infomation will go here
- /var/log/secure：
Anything related to password will go here, including login, gdm, su, sudo, ssh, telnet and so on
- /var/log/wtmp, /var/log/faillog：
wtmp and faillog