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Backup entire directory using rsync

read Windows ACLs from Linux
You can read, add, delete and modify Windows permissions from Linux using smbcacls from the smb-client package.

Blink LED Port of NIC Card
Blinks LED of a NIC card. Its used when you have multiple NICs and you want to identify the physical port of a particular ethernet card.

Get AWS temporary credentials ready to export based on a MFA virtual appliance
You might want to secure your AWS operations requiring to use a MFA token. But then to use API or tools, you need to pass credentials generated with a MFA token. This commands asks you for the MFA code and retrieves these credentials using AWS Cli. To print the exports, you can use: `awk '{ print "export AWS_ACCESS_KEY_ID=\"" $1 "\"\n" "export AWS_SECRET_ACCESS_KEY=\"" $2 "\"\n" "export AWS_SESSION_TOKEN=\"" $3 "\"" }'` You must adapt the command line to include: * $MFA_IDis ARN of the virtual MFA or serial number of the physical one * TTL for the credentials

Force hard reset on server
Useful when you have some wrong on a server (nfs freeze/ immortal process)

Monitor ElasticSearch cluster health - Useful for keeping an eye on ES when rebalancing takes place

Print a list of all hardlinks in the working directory, recursively
libpurple likes to hardlink files repeatedly. To ignore libpurple, use sed: | sed '/\.\/\.purple/d'

What is my public IP-address?
Short command, easy to remember

Counts number of lines
Counts number of lines of code in *.h and *.cc files

watch your network load on specific network interface
-n means refresh frequency you could change eth0 to any interface you want, like wlan0


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