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Bash

Bash is a Unix shell and command language written by Brian Fox for the GNU Project as a free software replacement for the Bourne shell.

SSH GeoBlocker

SSH GeoBlocker

The sshGeoBlocker bash script uses geoiplookup to get the location of an IP address from a MaxMind GeoLite2 database. Combining this script with a fail2ban sshd jail, IP addresses can be blocked after a certain number of unsuccessful connection attempts.

Bash: The JMRemover

Bash: The JMRemover

This article explains how to use the find command to enumerate the number of files or folders in a directory, and how to delete old backup files or directories using the same technique.

Encrypted Passwords in Bash

Encrypted Passwords in Bash

encpass.sh is a lightweight library to use encrypted passwords in bash scripts. Secrets can be encrypted at runtime and then used, decrypted, in scripts.

NextCloud: Backup and Restore

NextCloud: Backup and Restore

Two bash scripts that can be used to back up or restore a NextCloud instance. EncPass is used to hide secrets.

Bash: Looping over Files and Folders

Bash: Looping over Files and Folders

This article explains how to loop over files and folders in Linux.