Commands by BrentWoods (0)

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Stores the certificate expiration date on the variable A
Stores the certificate expiration date on the variable A

Show me a histogram of the busiest minutes in a log file:
Busiest seconds: $ cat /var/log/secure.log | awk '{print substr($0,0,15)}' | uniq -c | sort -nr | awk '{printf("\n%s ",$0) ; for (i = 0; i

Access partitions inside a LVM volume
kpartx can be found inside of the multipath-tools package -a adds the mappings and -d deletes them

See OpenVZ Container id's of top 10 running processes by %cpu
This command will list the PID, VEID, and Name of the 10 highest cpu using processes on a openvz host. You must have vzpid installed.

Rename files in batch

check open ports without netstat or lsof

Shows what an RPM was compiled with.
\n Separates out the architectures on different lines.

Search git logs (case-insensitive)
Normally, searching git log comments is case sensitive. The -i luckily applies to the --grep switch.

Retrieve top ip threats from http://isc.sans.org/sources.html and add them into iptables output chain.
Retrieve top ip threats from http://isc.sans.org/sources.html and add them into iptables output chain.

Remove a range of lines from a file
Deletes lines from START to END, inclusive. For example +4,10d will delete line 4, 5, ..., 10. Just like the vi command :4,10d does it.


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