There are a couple of ways to exist out of vi/vim inside of a unix or linux system. Before typing any new commands you may want to press the Escape key to make sure you are in not in input mode. The first way to exit vi is ZZ That is, hold down shift and…
There are a number of professional IT certifications which will make you stand out from the crowd when applying for system administrator jobs. Along with professional experience a certification is a great way to show your willingness to learn new skills and advance your career. Employers want employees with drive and passion — obtaining industry…
A computer network allows different devices to communicate with one another. A network administrator’s job is to ensure all the devices are properly able to communicate with each other. If an office has a network printer, is it the network administrator’s duty to provide a stable connection, allowing everyone to connect and print what they…
The ‘copy running-config startup-config’ command in Cisco networking is utilized to save the present configuration of a device to its non-volatile memory, typically flash or NVRAM. This action ensures that the running configuration, which contains all active settings and configurations, becomes the startup configuration. To use this command, ensure that you are in the privileged…
To combine multiple files into a single file in linux you want to use the ‘cat’ command. This command stands for concatenate and will combine however many files into a new or existing file. Say you have fileA and fileB and you want to combine their content into a new file called fileC. To do…
There’s a lot of vastly different tech jobs out there. When someone says that they work in Information Technology (IT) it can mean a whole lot of things. There’s a ton of vastly different tech careers out there. This list will describe the type of work environment found in different tech jobs. It also lists…
Oakland and Emeryville sit across the bay from San Francisco and a few miles North of Silicon Valley. Both have seen a large increase in the number of startups and tech companies moving into their borders. The following is a list of all the colocation data centers available in Oakland and Evemryville. All of these…
Enter a valid IPv4 or IPv6 block calculate What is a Subnetting Calculator? A subnetting calculator is a tool used in computer networking to divide a large network into smaller subnetworks, known as subnets. It helps network administrators and engineers in designing and managing IP address assignments for efficient network utilization. How Does It Work? Subnetting…
rmdir is the command used to remove an empty directory. This command does not remove a linux directory which still has contents in it. This helps prevent the user from accidentally deleting a file they did not want to remove. Whan you do want to remove a directory and all of its contents, including files…