Linux, Windows, Security, Programming, Network Tutorials
Linux operating systems generally uses boot loader like grub and lilo and than uses init process to start operating system and other services.init is the most important process which forks or creates other process in a Linux system. init.d is init configuration directory which holds information about the services or daemons. init.d Location init.d is located under /etc which is configuration directory … Read more
Linux services and daemons can be controlled with chkconfig command. chkconfig command is mainly used to set given service or daemon run level. In order to work with chkconfig command we need root privileges. systemctl command suite provides more and detailed features. Related tutorial can be accessed from following link. Linux Systemctl Tutorial List All … Read more
Ubuntu is popular Linux distributions used by millions. In order to access Ubuntu systems remotely we use ssh protocol. So in order to access and manage Ubuntu systems the ssh server should be installed and running without restriction like firewall. In this tutorial we will look how to install, start and troubleshoot SSH service in Ubuntu, … Read more
Nmap tool provides a popular ports list as a database where this list is also used in network and service scans. Here is the list but before we will look at the command which will list ports according to the popularity. Nmap Top Ports Listing We can use sort command in order to list ports according … Read more
[rps-include post=6632] Nmap provides script scanning which gives nmap very flexible behavior to get more information and test about the target host. This feature is called Nmap Scripting Engine (NSE). NSE gives user the ability to write scripts for test. Lua is programming language supported by NSE. NSE have some vulnerability detection scripts too. NSE … Read more
Hardware manufacturers produce a lot of hardware. Some of these manufacturers like Dell, Hp, Huawei, Toshiba, etc. sell these products to the corporations. So we can call these products as enterprise products. These products generally provide extra warranty for enterprises. So They need to track the hardware they produced. What Is Service Key or Tag? … Read more
Operating systems run services to server operating system or user level features. These windows services generally starts in the startup and stopped at the shutdown. But some time we need to start service after the start or a configuration change. Windows provides different tools to manage services. We have all ready looked the native Powershell … Read more
Windows operating system provides different ways to manage remote systems. Telnet, RDP, VNC are some of them. But these options are generally bound to a graphical user interface. If we prefer a command-line interface there is an alternative named Psexec. Psexec is actually a toolset consisting of following tools. PSexec used to execute commands at remote … Read more
Windows Powershell provides easy to use commands or command-lets to manage Windows systems. Powershell can be used to manage Windows Services and provides builtin command for related operations. Help Help information about Powershell Services command can be get wit the following command. $ Get-Help Get-Service List Services with Get-Service Existing Windows services can be listed … Read more
Operating systems did jobs by running processes and tasks. One of the primary duties of an operating system is the management of processes. All operating systems have a different type of task manager. Windows have built-in task manager maned Task Manager . In this tutorial, we will look detailed about Windows Task Manager. Start Task … Read more