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Linux and Unix tutorials for new and seasoned sysadmin

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Tag: root root

Could not chdir to home directory /root: No such file or directory Error and Solution

last updated October 25, 2012 in Categories Troubleshooting

When I ssh into my server and login as t root user and I’m getting the following error on screen:

Could not chdir to home directory /root: No such file or directory

How do I fix this error under CentOS or Debian Linux server?

3 Comments

Linux List All Users In The System

last updated December 6, 2018 in Categories CentOS, Debian / Ubuntu, Linux, RedHat and Friends, Suse

I‘m a new Linux sys admin and I’m unable to find the command to list all users on my RHEL server. What is the command to list users under Linux operating systems?

24 Comments

Linux: Show The Groups a User Is In

last updated April 9, 2012 in Categories Linux

How do I find out what groups I belong to under Linux operating systems?

6 Comments

Linux / Unix: Bash Find Matching All Dot Files

last updated April 24, 2013 in Categories Linux

A dot-file is generally any file whose name begins with a full stop. In Linux or Unix like operating system it is also called as hidden file. How do I list all dot files in my home directory?

5 Comments

CentOS / RHEL: Delete Old Yum Repositories and Configuration Files

last updated July 15, 2011 in Categories RedHat and Friends

How do I delete old yum repositories and configuration files under RHEL 5 or CentOS Linux server?

2 Comments

UNIX / Linux: Explains setuid File Permission

last updated February 24, 2010 in Categories File system, Linux, UNIX

What does it mean for a file to be “setuid?” How do keep track of all setuid enabled file?

8 Comments

UNIX / Linux: Explain The Nine Permissions Bits On Files

last updated February 24, 2010 in Categories Commands, Linux, UNIX

Can you completely explain the nine permissions bits on UNIX or Linux files?

1 Comment

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