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Archives for February 2019

Nohup Command Examples – Runs a Command that Keeps Running after You Log Out

by admin

The nohup utility executes a command line such that the command keeps running after you log out. In other words, nohup causes a process to ignore a SIGHUP signal. Depending on how the local shell is configured, a process started without nohup and running in the background might be killed when you log out. Syntax […]

Filed Under: Linux

What’s different between /bin/false and /sbin/nologin as nologin user’s shell

by admin

At times, we may need a user account with a password for authentication with a system, but do not require an interactive shell with that username. This helps in preventing the user account being used for logging in to the system with that password. In those scenarios, we can set the user’s shell to /sbin/nologin […]

Filed Under: Linux

What are the Types of DNS Servers

by admin

Types of DNS Servers DNS servers play a wide variety of roles—a single name server may be a master for some zones, a slave for others, and provide caching or forwarding services for still others. The role of the name server is controlled by its configuration file, which in the case of BIND is called […]

Filed Under: Linux

Linux OS Service ‘cups’

by admin

Description The Common UNIX Printing System (“CUPS”) is a cross-platform printing solution for all UNIX environments. It is based on the “Internet Printing Protocol” and provides complete printing services to most PostScript and raster printers. CUPS is a replacement for the LPD printing system. It replaces the lpr command with its own and the LPD […]

Filed Under: Linux, Linux Services

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