Computer Tips - Programming, Cybersecurity and Tech Tutorials

Redis: Redis is an open source, BSD licensed, advanced key-value cache and store. It is often referred to as a data structure server since keys can contain strings, hashes, lists, sets, sorted sets, bitmaps and hyperloglogs. Step 1: sudo apt-get update sudo apt-get install build-essential sudo apt-get install tcl8.5 wget http://download.redis.io/releases/redis-3.0.0.tar.gz tar xzf redis-3.0.0.tar.gz

You might have encrypt and decrypt a sting value using various cryptographic algorithms and you might have build C programs for that as well. In this tutorial I am going to show you how to Encrypt and Decrypt a XML file using OpenSSL and XMLSec. Things you need: XML file - The file you need to encrypt/decrypt OpenSSL - To generate public/private keys XMLSec - To encrypt/decrypt XML file Template file - Needed for encryption Step 1: Locate your XML file.

GNS3: Step 1: Check connectivity between router in GNS3 and Kali linux in Virtualbox. IP of Kali linux (TACACS+ server) is 192.168.56.101 and of router (TACACS+ client) is 192.168.56.1. Step 2: Install TACACS+ in Kali linux. apt-get install tacacs+

Google OAuth 2.0 Playground Step 1: Go to https://developers.google.com/oauthplayground/ and login. Step 2: Click on settings and select OAuth flow as Server-side, OAuth endpoint as Google, Access token location as Authorization header w/ Bearer prefix, and Access type as Offline.

[This is post is for older release. If you are looking for fixing errors in Rolling Release (2016.1) go to this link: http://com.puter.tips/2016/08/fix-updateupgrade-errors-in-kali-linux.html ] If you are among the users who are getting errors while updating or upgrading in Kali Linux then your worries are over. I had the same issue and have found a solution. The errors occurs when performing any of the following commands: #apt-get update #apt-get upgrade #apt-get dist-upgrade and even if you try --fix-missing parameter with above commands it does not help! One of the error looks like: W: A error occurred during the signature verification. The repository is not updated and the previous index files will be used. GPG error: http://security.kali.org kali/updates Release: The following signatures were invalid: KEYEXPIRED 1425567400 KEYEXPIRED 1425567400 KEYEXPIRED 1425567400

If you are an iPhone user and an user of Windows PC then you might have encountered some issues with photo transfers from iPhone to Windows. For a Mac user it might not be that difficult to transfer photos as both are Apple products and there are some good softwares available also which can be used for Photo Transfer. The problem lies with Windows users. One of the problem I encountered recently is that in my Windows PC when connecting iPhone it was not showing all photos, but you can see them in iPhone. I tried many solutions browsing through many sites including Apple and Microsoft support forums and knowledgebase along with some popular sites like wikihow.

Iceweasel is default browser for Kali linux which is built upon mozilla's firefox. I will show two methods to install flash player in Kali linux but it can be also used for other linux distros. Method 1 (Long Method): This method is mentioned in readme.txt file which you will get after downloading flash tarball. Here is the content given in that file: Installation instructions ------------------------- Installing using the plugin tar.gz:     o Unpack the plugin tar.gz and copy the files to the appropriate location.     o Save the plugin tar.gz locally and note the location the file was saved to.     o Launch terminal and change directories to the location the file was saved to.     o Unpack the tar.gz file.  Once unpacked you will see the following:         + libflashplayer.so         + /usr     o Identify the location of th...