Common problem with moving vhost from one host to another is that you don’t have network connection that you have had on previous host. It might be problem with MAC addresses like I had with my VirtualBox. Solution is to rewrite MAC addresses from ifconfig from your vhost to VirtualBox settings, so please: type ifconfig […]
Well you can’t run it as a daemon since there is no method for tcpdump (http://www.daemon-systems.org/man/tcpdump.8.html), but you can do a little trick. You can call nohup utility which allows to run command./process or shell script that can continue running in the background after you log out from a shell. In case of any errors you […]
All major system log files are located in the /var/log directory in Centos Linux. cron — Logs for all cronjobs that are run on the server dmesg — Logs from dmesg program which is used to examine or control the kernel ring buffer. lastlog — The binary log that contains all of the last login […]
Sendmail is the default SMTP (Simple mail transfer protocol) server installed on CentOS and although it can be slightly more complicated for beginners to learn than similar alternatives such as Postfix, it can be quite powerful and useful to learn. Sendmail by itself as the name suggests is a MTA (Mail transfer agent) which is useful for sending […]