How to split a delimited string into an array in awk?
Have you tried:
unix
Display exact matches only with grep
ou need a more specific expression. Try grep ” OK$” or grep “[0-9]* OK”. You want to choose a pattern that matches what you want, but won’t match what you don’t want. That pattern will depend upon what your whole file contents might look like. You can also do: grep -w “OK” which will only match a whole word “OK”, … Read more
How to kill a process running on particular port in Linux?
Use the command used grep java as tomcat uses java as their processes. It will show the list of processes with port number and process id the number before /java is a process id. Now use kill command to kill the process -9 implies the process will be killed forcefully.
What are file descriptors, explained in simple terms?
In simple words, when you open a file, the operating system creates an entry to represent that file and store the information about that opened file. So if there are 100 files opened in your OS then there will be 100 entries in OS (somewhere in kernel). These entries are represented by integers like (…100, … Read more
How to pretty print XML from the command line?
This utility comes with libxml2-utils: Perl’s XML::Twig This command comes with XML::Twig perl module, sometimes xml-twig-tools package: xmlstarlet This command comes with xmlstarlet: tidy Check the tidy package: Python Python’s xml.dom.minidom can format XML (works also on legacy python2): saxon-lint You need saxon-lint: saxon-HE You need saxon-HE: