Sum column in Linux is very easy and you can do it by a single command. If you have a file with multiple columns and you need to quickly get the total of a column in command line in Linux , the easiest way is to use AWK . Consider you have a file name
MySQL Replication skip error There are two ways you can configure MySQL replication : normal and GTID based replication. From MySQL 5.6 GTID based replication is started. However, you can again explore how to setup MySQL Replication on the the following links replication-howto replication-gtids-howto Sometimes, replication on Slave server is stopped for many a reasons
My Favorite Linux Commands There are lot of articles on the web regarding Linux commands . Here I have listed some of my favorite Linux commands. These commands are little bit advanced than those mentioned in general blog but very useful. Start a service in CentOS/Redhat 7 systemctl start httpd Start a service at startup