i user linux v7.3.
at boot and at start,stop, reload sendmail, get the following error message
Starting sendmail:451 4.0.0 /etc/sendmail.cf: line 88: fileclass: cannot open '/etc/mail/local-host-names':
/etc/sendmail.cf: line 513: fileclass: cannot open '/etc/mail/trusted-users':
Setting up Secure Ubuntu server on VMware
1. Insert the Ubuntu Server distribution CD or attach the ISO of the CD which is in the “Datastore”. Note that it is important to install the x64 edition on servers, not the X86 editions.
2. Power on th…
Learn how to find files with the shell using the find and locate commands.
Use locate to find a needle in a haystack.: With locate, check if the file still exists.: Use find to get the actual location of the file.: