Commands by unixmonkey37567 (0)

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convert MTS video file format into xvid/mp3 avi format

Convert seconds to [DD:][HH:]MM:SS
Converts any number of seconds into days, hours, minutes and seconds. sec2dhms() { declare -i SS="$1" D=$(( SS / 86400 )) H=$(( SS % 86400 / 3600 )) M=$(( SS % 3600 / 60 )) S=$(( SS % 60 )) [ "$D" -gt 0 ] && echo -n "${D}:" [ "$H" -gt 0 ] && printf "%02g:" "$H" printf "%02g:%02g\n" "$M" "$S" }

How to get an absolute value
Whenever we are only interested in difference between two numbers and not the positive/negative values we can use this in script.

Uptime in minute
Want to run scripts/programs in the system after starting X minute [ For letting the system to free ]? This will give uptime in minute.

SMS reminder
Send an e-mail to SMS reminder in 15 minutes from now, to call my wife. See list of carriers bellow Carrier Email to SMS Gateway Alltel [10-digit phone number] AT&T (formerly Cingular) [10-digit phone number] [10-digit phone number] (MMS) [10-digit phone number] Boost Mobile [10-digit phone number] Nextel (now Sprint Nextel) [10-digit telephone number] Sprint PCS (now Sprint Nextel) [10-digit phone number] [10-digit phone number] (MMS) T-Mobile [10-digit phone number] US Cellular [10-digit phone number] (SMS) [10-digit phone number] (MMS) Verizon [10-digit phone number] [10-digit phone number] (MMS) Virgin Mobile USA [10-digit phone number]

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

check open ports without netstat or lsof

Print a date from 3 days ago
This command prints the Date (Not time) from 3 days ago (72 hours ago). This works on systems without GNU date (MacOSX , Solaris, FreeBSD).

A simple way to securely use passwords on the command line or in scripts
In this example, where the users gpg keyring has a password, the user will be interactively prompted for the keyring password. If the keyring has no password, same as above, sans the prompt. Suitable for cron jobs. ~/.gnupg/passwd/http-auth.gpg is the encrypted http auth password, for this particular wget use case. This approach has many use cases. example bash functions: function http_auth_pass() { gpg2 --decrypt ~/.gnupg/passwd/http-auth.gpg 2>/dev/null; } function decrypt_pass() { gpg2 --decrypt ~/.gnupg/passwd/"$1" 2>/dev/null; }

Throttle download speed (at speed x )
Throttle download speed $aria2c --max-download-limit=100K file.metalink Throttle upload speed $aria2c --max-upload-limit=100K file.torrent

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