Analyzing the NGINX web server log file
1.0 Introduction Given an nginx web server log file, we might like to know who are the visitors to our website. One can go line by line through the log…
1.0 Introduction Given an nginx web server log file, we might like to know who are the visitors to our website. One can go line by line through the log…
bash idioms are tiny scripts, mostly one-liners, that accomplish a lot and can be used as building blocks in bigger scripts. 1.0 Find most frequent words Suppose we have a…
1.0 sed sed is a stream editor that accepts a list of commands and input file names. It applies the commands one by one on each line of input and…
1.0 Shell Script bash is the commonly used shell in GNU-Linux. bash can be run interactively, as a login shell or as an interactive process from a terminal emulator like…
1.0 iptables The iptables command is for defining rules for packet filtering for establishing and configuring firewalls in Linux. iptables, also, helps in configuring the Network Address Translation (NAT) for…