Commenting Multiple Lines Follow the steps given below for commenting multiple using the terminal. First, press ESC Go to the line from which you want to start commenting. Then, press ctrl + v, this will enable the visual block mode. use the down arrow to select multiple lines that you want to comment. Now, press SHIFT + I to enable insert…

Ubuntu: Error: pg_config executable not found

Posted on February 3, 2020February 3, 2020 by Viet Luu

Issue: While tried install python package psycopg2 the follow exception show. Resolution: Run follow command to install libpq-dev which solve the exception above

Debugging a bash shell script

Posted on January 31, 2020January 31, 2020 by Viet Luu

Run a shell script with -x option Use a set builtin command

Solr log file location on Amazon Linux 2

Posted on January 24, 2020January 24, 2020 by Viet Luu

You can locate deault Solr log location at /var/solr/logs/solr.log