Git is a version control system. Linus Torvalds created Git in 2005 for development of the Linux kernel. Git is mainly used for software source code management. However, it can be used to keep track of any set of files such as HTML or CSS or a tutorial written in the markup language. Git is a Distributed Version Control Systems. A dedicated Git server helps to manage access control, show contents of a Git repository via the web and manage multiple repositories. In a Git, clients do not just check out the latest snapshots of the files. They entirely mirror the repository including history.
The vim editor is a free and open source text editor. It is a clone of vi text editor. Vim is extremely popular among the Linux, macOS and Unix-like system users. Vim has many commands. It comes with a pretty extensive built-in manual too. One might get lost in the built-in manual. Let us see if “Mastering Vim Quickly From WTF to OMG in no time” can help a new or experienced vim user to increase productivity.
Usually, I use the grep command for code searching on my box. Recently, I come across another cool tool called ag. It is an attempt to make something better than ack, which itself is better than grep command. Let us see how to install and use the ag tool on Unix-like operating systems.
Recently I created a simple shell script called backup.sh in /root/scripts directory to just backup MySQL database and dumped it to /nfs/mysql/ directory. I put a file (more like used the ln command to create a soft link ) in /etc/cron.hourly/ and it doesn’t run. There was no error in systemd log or cron log. Why is my cron job was not working, and here is how I troubleshoot it.
I wanted to generate RSS 2.0 feeds in Python. Nothing fancy but for certain tasks I needed it something that is quick and just works out of the box. I found rfeed – a library to generate RSS 2.0 feeds in Python. It is in my opinion straightforward to use.
Alpine Linux version 3.6 has been released. Alpine Linux is built around musl libc and busybox. This makes it smaller and more resource efficient than traditional GNU/Linux distributions. A container requires no more than 8 MB, and a minimal installation to disk requires around 130 MB of storage. Not only do you get a fully-fledged Linux environment but a large selection of packages from the repository. Alpine Linux was designed with security in mind. The kernel is patched with an unofficial port of grsecurity/PaX, and all userland binaries are compiled as Position Independent Executables (PIE) with stack smashing protection. These proactive security features prevent exploitation of entire classes of zero-day and other vulnerabilities.
A software bot is nothing but a set of scripts or an independent program that connects to web services or chat services as a client to perform automated functions. Often, bots are deployed from a server. It runs in background and performer various activities such as giving out information, providing an answer to common questions, deleting spam and much more. Here is a list of 7 of them that you must know.
Continue reading “7 Awesome ChatOps Open Source Software For Conversation-driven Development and Management”
You know, I should help that friend to work on that single point of failure. The printer. LOL
I already wrote about auto-completion in the MySQL/MaiaDB command-line client using an auto-rehash feature. Recently I found out a new tool called mycli. It is a command line interface for MySQL, MariaDB, and Percona with auto-completion and syntax highlighting.
In the world of mail servers, there are many software and technologies. Here is a list of 3 of them that you must know.