Useful tips for everyday
What are the types of errors in Python? Python – Error Types Exception Description SyntaxError Raised by the parser when a syntax error is encountered.…
How do I use special characters in grep search? To match a character that is special to grep –E, put a backslash ( \ )…
Does NTP server set timezone? NTP does not regconize time zones, instead it manages all time informations based on UTC. In general the handling of…
How to use AWK to process multiple files at once? FNR==NR { a [ (FNR””)] = $0; next } { print a [ (FNR””)], $0…
What is the default destination of stdout? One of the features of standard output is that it has a default destination but can easily be…
How do I give bash script permissions? You have two choices: Run it as an argument to bash: bash /var/www/script. Alternatively, set the execute bit:…
What is the command used to set limits? ulimit command The ulimit command sets or reports user process resource limits. The default limits are defined…
How do I fix not being able to hear out of my headphones? Make sure your audio source is on and the volume is up.…
How do you give a variable in sed command? 3 Answers Use double quotes so that the shell would expand variables. Use a separator different…
How to host multiple sites on the same IP address? Use host name to host multiple web applications on the same IP address. Use different…