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In MySQL user always tries to connect with the server via command line interface such as remote login like 'ssh' then they troubled themselves in using graphical interface and get the required output quickly. So they need to automate that task. In this Blog I am going to suggest you a way to do this ... First of all we need to know that a MySQL service is kept in /etc/init.d/mysqld and we need to invoke that in order to use mysql server and client. To do this use following command in terminal : service /etc/init.d/mysqld start or service mysqld start When mysql server is started make a directory like /home/anduril/shubham_Script and after entering into that directory use this command in your terminal. vi connect_string.sh It will create a file with the name connect_string.sh you can give any name you want. Press 'i' to edit and enter the following text : mysqlshow -u root -proot mysqladmin version -u root -proot mysqladmin variables -u root -proot mysqladmin ping -u roo...

Change MySQL user's password in bulk Sometimes we need to change the password of mysql users at bulk. Lets say your company has fired a group of peoples or dissolved a project. This requirement can be supplied as : We can achieve the same by changing the password field in mysql.user table. Password() is a predifined method in mysql which generates encrypted value of a certain string. host update mysql.user set password = PASSWORD("passwd") where host IN (<Comma separated list of HostName/IP>); user update mysql.user set password = PASSWORD("passwd") where user IN (<Comma separated list of ‘user’@’host’>);

1.Use the interpreter for bash at first line . #!/bin/bash 2. Use variables as per requirement and pass it to except if needed. HOST="localhost" USER="chitti" PASS="123" CMD=$@ 3. Use expect script as required. XYZ=$(expect -c " spawn ssh $USER@$HOST expect \"password:\" send \"$PASS\r\" expect \"\\\\$\" send \"$CMD\r\" expect -re \"$USER.*\" send \"logout\" ") 4.Print the result of except using echo like echo "${XYZ}"

Start mysql in Ubuntu without having root privilege:- If you want to use mysql in Ubutu you can use following command which will use a root level privilege   $ mysql -u root -p Enter password: Welcome to the MySQL monitor.  Commands end with ; or \g. Your MySQL connection id is 147 Server version: 5.1.49-1ubuntu8.1-log (Ubuntu) When it demands to enter the password fill it with 'root' and hopefully you'll get logged in .   Last_insert_id():- (with no argument) returns the first automatically generated value that was set for an AUTO_INCREMENT column by the most recently executed INSERT statement to affect such a column. For example, after inserting a row that generates an AUTO_INCREMENT value, you can get the value like this:   mysql> SELECT LAST_INSERT_ID(); Database():- Database() method returns the current selected database and you can use it in your communication and your queries. The syntax is :   mysql>select Database (); User():- It a...

nodejs-akamai-page.MD Overview In almost every blog when people talk about deploying something on K8S they use node mostly because setting up http server is not that easy. I wish that it could be this easy for our case, (which it wasn’t). Manly because the way we wanted the application to work, plans for SEO and multiple data pipelines for business including Amplitude for client and Pubsub for application and business metrics. Making all these calls from nodejs was easy for developers just 1 more promise. Everything went smoothly as long as functional testing was required. We were ready to launch and somebody from SRE/Devops team asked: “Have you done load testing?” . Everything was superb up to this point where load testing results are required to make service live. Load Testing We started to put load to our services using apache benchmark. Very soon we realised our application is not scaling as much as we expected. To our surprise application was able to handle only 3 requ...