diff: find differences of two files in remote machines
Scenario: we have two files in two remote servers and we want to find differences between them without copying files etc, the servers are……
$ grep -rn "#Linux" ./posts
grep: compare two unsorted files and get unique lines
Scenario: every day we run a report that produce a csv file with some IDs and we want to check the differences that those two files might……
Linux: replace a character with another after N occurances of a character wit
We have the following scenario, we have a file with the following contents…
Linux parallel: how to execute a command in parallel and get arguments from a file
Parallel is a command that can help you do your work faster because it can execute your commands in parallel.…
Use rsync to copy only missing files and files with updated content from a remote server.
Scenario: We need to copy from a remote server to local files we dont have and files that their content is updated, also we dont have ssh……
Linux: smarter file-system navigation on the command line
One of the most used commands on the terminal is the “cd” command because working from the command line most likely means that you need to……
Linux: How to mass rename/edit filenames
The problem:…
scp: how to transfer files between two computers that do not communicate directly.
Scenario: you want to transfer files between two computers, the remote1 and remote2 computers that cannot establish a between connection……
You fucked up your configuration files without a backup? — how to restore them.
There is no need to hide the shame.. this is something that we all have done! we have messed with a configuration file so much that the……
grep made simple: part 1
grep is powerful, using its regular expressions you can do anything it terms of matching in a single line. Lets see some examples.…