There are several key terms which one must know to get a picture of how multithreading works in Java. The post deals mostly with the java multithreading classes that come builtin with java. Runnable A Runnable is basically a type Read more
Useful docker commands that we may use daily 1.List all running containers $ docker ps -a 2. List all running containers (only IDs) $ docker ps -aq 3. Pull an image $ docker pull <image_name> 4. Start/Run a container $ Read more
Goroutines are functions that are created and scheduled to be run independently by the Go scheduler. The Go scheduler is responsible for the management and execution of goroutines. Notes Goroutines are functions that are scheduled to run independently. We must Read more
Question Given a string S and a string T, find the minimum window in S which will contain all the characters in T in complexity O(n). Example: Input: S = “ADOBECODEBANC”, T = “ABC” Output: “BANC” Note: If there is Read more
SDK man is an awesome tool to install dependencies in Spring boot applications. I found it pretty useful for installing and uninstalling groovy and scala. Refer this link for more such commands To find out sdk man version one is Read more
Here is a self note to how to tar ball and untar ball a file. To compress a directory use the following syntax: # tar -zcvf archive_name.tar.gz directory_to_compress To decompress an archive use the following syntax: # tar -zxvf archive_name.tar.gz
Here are few of the spring boot,maven and gradle commands I find pretty useful. They are mostly used for building jars and running them. Package into Jar $spring jar myapp.jar app.grovy To see contents of jar $jar tf my-app.jar Run Read more
Here is my shortcut list for some of the chef commands. Not all of these work in AWS opsworks. Generating cookbooks named apache chef generate cookbook cookbooks/apache Generating recipes named server.rb chef generate recipe cookbooks/apache/ server Check syntax Read more
For installing jenkins on Ubuntu 14.04 using Java RPM do the following steps. Step 1: Download java tar ball file from http://www.oracle.com/technetwork/java/javase/downloads/jdk8-downloads-2133151.html Step 2: Scp the files from your local machine to your server Step 3: Install java sudo tar Read more
Why this debate. SRE and DevOps have truly changed the way traditionally operations have been done. One thing all the prominent bloggers, tech leaders, and enthusiasts agree that SRE is not a glorified sysadmin. Read more here However many companies Read more