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Linux

Port Listeners

Today I had a request to open a particular port. Once I’d put the required rule in place, I ran a port scan and found the port is still reporting as closed. This means either […]

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Linux

openssl

The OpenSSL project is an open-source general purpose cryptography library that implements the SSL and TLS protocols. Configuration File The configuration file for OpenSSL is openssl.cnf. The location of which will probably vary across Linux […]

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Linux

tar

Compressed Archive Resources How do I Compress a Whole Linux or UNIX Directory? http://www.cyberciti.biz/faq/how-do-i-compress-a-whole-linux-or-unix-directory/

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Linux

nmap

nmap -sS 1.2.3.4 nmap -PN 1.2.3.4 -p 22 The -PN option treats the host as if it is online and will not perform any host discovery.

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Linux

curl

curl -I http://pikedom.com http://curl.haxx.se/docs/httpscripting.html https://httpkit.com/resources/HTTP-from-the-Command-Line/ http://www.yilmazhuseyin.com/blog/dev/curl-tutorial-examples-usage/

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Linux

locate

The locate command can be used to find files by name. As usual you can find out everything you could possibly want to know about the the locate command in the manual pages. man locate […]

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Linux

find

You can use the find command to search a system for files or directories. The find command can be quite resource intensive as it trawls recursively through your file structure. Often a more suitable command […]