learn regular expressions the easy way
Regular expressions is a sequence of characters that specify a search pattern, regexes are super useful and can help you in administration……
$ grep -rn "#Linux" ./posts
lftp: file tranfers with a very smart tool!
lftp is a very nice tool that can simplify file transfer operations that would be complicate to do with shell scripting…
Luigi blueprint: Create ETL flows without code
Luigi blueprint: Create ETL flows without code!…
Learning golang
Those are my personal notes on my journey to learn go and is not a full tutorial, i assume that you have already installed go on your……
jq: sed for JSON
grep is the standard unix tool to filter text files and will remain the standard tool because of its speed and many examples available……
YAML: Examples
YAML Dictionary…
rsync examples: how to resume your interrupted copy and how to copy over a third host
How to copy a file/directory from a host to another who can communicate only by a 3rd host (Jump Host)…
Πως να ξεκινήσετε μια συζήτηση
Το άγχος της επικοινωνίας!…
Linux: Repeat last command until exit code is equal to 0
Scenario: we want to repeat the last entered command which fails until it returns a system code of 0, the reason that potentially exists……
Linux: mailx, how to sent an email with an attachment and how to add timestamp to subject
Scenario: we want to sent an email using mailx, the email must contain an attachment and the subject should be modified with a timestamp…