His roundups of new features in Windows 10 updates have been called "the most detailed, useful Windows version previews of anyone on the web" and covered by prominent Windows journalists like Paul Thurrott and Mary Jo Foley on TWiT's Windows Weekly. Instructional tutorials he's written have been linked to by organizations like The New York Times, Wirecutter, Lifehacker, the BBC, CNET, Ars Technica, and John Gruber's Daring Fireball. The news he's broken has been covered by outlets like the BBC, The Verge, Slate, Gizmodo, Engadget, TechCrunch, Digital Trends, ZDNet, The Next Web, and Techmeme. Beyond the column, he wrote about everything from Windows to tech travel tips. He founded PCWorld's "World Beyond Windows" column, which covered the latest developments in open-source operating systems like Linux and Chrome OS. He also wrote the USA's most-saved article of 2021, according to Pocket.Ĭhris was a PCWorld columnist for two years. Beyond the web, his work has appeared in the print edition of The New York Times (September 9, 2019) and in PCWorld's print magazines, specifically in the August 2013 and July 2013 editions, where his story was on the cover. With over a decade of writing experience in the field of technology, Chris has written for a variety of publications including The New York Times, Reader's Digest, IDG's PCWorld, Digital Trends, and MakeUseOf. Chris has personally written over 2,000 articles that have been read more than one billion times-and that's just here at How-To Geek. For example, when there is only one user account registered on the system, or when an automated script requires elevated privileges to perform certain tasks.Chris Hoffman is the former Editor-in-Chief of How-To Geek. In some cases, it may be useful to disable this mechanism. Running sudo su without a passwordīy default, a command run with sudo requires that the user authenticates themselves using their own password. Note that the sudo -su command differs from sudo su - in the sense that the su expression will be treated as option flags of the sudo command, where the -s flag is used to run a new shell, and the -u flag is used to run a command as a user different from root. Change the current directory to the user’s home directory.ĭon’t confuse sudo -su with sudo su -!.Initializes the environment variables HOME, SHELL, USER, LOGNAME and PATH.Clear all the environment variables except for TERM.Since the root account is disabled by default on most Linux distributions -which means that the root password is not set, in order to prevent anyone from directly logging into it-using the su command alone will certainly result in an authentication error with a message like su: Authentication failure: When called with no user specified, the su command will attempt to run an interactive shell as root, prompting you to enter the root password. Spawning a root shell with the su command In this article, we’ll explain why these two commands are often combined together in order to access a root shell, and how to run sudo commands without having to type in the user password. sudo resides in the fact that the su command gives access to an interactive shell session, whereas the sudo command only allows to execute one command at a time. Like the sudo command, it is generally used to execute commands as the superuser (also known as the "root" user). In Unix-like operating systems, the su command is used to temporarily log into another user account and execute commands using its privileges.
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