91Linux
How to stop showing login messages
During user login, a Linux box might show message of the day(motd), new email, or package updates information. This is particularly common in Ubuntu boxes. In some c
1 min read↗
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Linux.
Practical knowledge, one discovery at a time.
130 ARTICLES
92Linux
httpie – to curl or not to curl
Curl is the defacto CLI tool for interacting with web services and other non-HTTP services such as FTP or LDAP. Linux or Unix system administrators as well as develo
3 min read↗
93Linux
Docker – quick introduction. Part 1
In these series of Docker tutorials, i will walk you through a hands on experimentation with Docker. The operating system I am working on is Ubuntu 16.04.
4 min read↗
94Linux
Splunk free edition indexing size limit
Splunk offers a free version with a 500 MB per day indexing limit, which means you can only add 500 MB amount of new data for indexing per day. This might work for m
2 min read↗
95Linux
GNU date command – practical use cases
date command practical uses
4 min read↗
96Linux
How many processors or cpu cores does my system have?
How do you find out the number of CPU cores available in your Linux system? Here are a number of way, pick the one which works for you -
2 min read↗
97Linux
When Bash shell fails to read the right environmental variables
The Shell has environment variables which determine its behavior. Exported environment variables are also popular ways of making an application change its behavior.
3 min read↗
98Linux
Ansible vault – how to encrypt sensitive data and decrypt it during playbook runs
Sooner or later, you will find yourself adding sensitive data into Ansible playbooks, host or group vars files.Such information might include MySQL DB credentials, A
3 min read↗
99Linux
Decoding firefox cookies – sqlite cookies viewer
Web sites store information on local machines of site visitors using cookies. On subsequent visits, the browser sends the data from the cookies on the visitors machi
3 min read↗
100Linux
Python: why it is always a good idea to use ‘with’ key when dealing with file objects
In Python, you can read from and write to files without import any modules. Python has built-in function "open" which can be used to view and manipulate file objects
3 min read↗