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Install whois CentOS / Ubuntu

Install whois CentOS / Ubuntu

jwhois is a whois client that accepts both traditional and finger-style queries. You can install the same using yum in Centos and apt-get in Ubuntu systems Centos  : yum -y install jwhois Ubuntu sudo apt-get install jwhois   In Centos/ Redhat systems you can run the command whois # whois ajayadas.com [Querying whois.verisign-grs.com] [Redirected to whois.godaddy.com] [Querying whois.godaddy.com] [whois.godaddy.com] Domain Name:...

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knockd – a port-knocking server – setup

knockd – a port-knocking server – setup

knockd – a port-knocking server . It’s amazing and I feel it’s an essential tool to secure the ports. Here i setup knockd server for Open-SSH in ubuntu #1: Install Knockd $ sudo apt-get install knockd up on installation, you will get a message says knockd is disabled #2 : First need to configure the files before we start the service , edit  knockd.conf file $ sudo vim /etc/knockd.conf this is how my file looks like...

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FIXED – SoftException in Application.cpp:631: Directory “/home/ajay/public_html” is writeable by group

FIXED – SoftException in Application.cpp:631: Directory “/home/ajay/public_html” is writeable by group

Cpanel Error: [Sun Feb 01 20:41:30.060061 2015] [:error] [pid 401503:tid 140542316816128] [client xx.xx.xx.xx:44688] SoftException in Application.cpp:631: Directory “/home/ajay/public_html” is writeable by group In this case the folder had permissions for a folder set too high. To correct this, the permissions need to be changed from “777” to “755”. Directories and folders should be 755. Executable...

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Enable SSH (Secure Shell) in Elementary Luna / Ubuntu

Enable SSH (Secure Shell) in  Elementary Luna / Ubuntu

To get started, press Ctrl – Alt – T on your keyboard to open Terminal. or open your  gnome-Terminal  (If installed) When it opens, run the commands below to install SSH Server.   sudo apt-get install openssh-server That's it! , if you need to change default port and stuff , edit the below file sudo vi /etc/ssh/sshd_config or sudo gedit /etc/ssh/sshd_config For a simple and quick SSH client, click here to download Putty. Share...

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Change HostName Permanently – Ubuntu

Change HostName Permanently – Ubuntu

We can manually edit these files using a text editor like vim: sudo vim /etc/hosts sudo vim /etc/hostname In /etc/hostname simply overwrite the existing hostname with a new one. In /etc/hosts you will find the hostname on the line beginning 127.0.0.1 – overwrite only the hostname with the new one, and then reboot.   Share this:FacebookTwitterGoogleTumblrLinkedInEmailLike this:Like...

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