Operating System

Operating system

   How do I know if the "NTP" is working or not? 

     Well, there is a easy way to check it. It needs 4 steps to do, see following:

     STEP 1 (Test the current server):

          Try issuing the following command:

          $ ntpq -pn

           remote refid st t when poll reach delay offset jitter
           tock.usno.navy 16 u - 64 0 0.000 0.000...

Operating system - Linux

Tags:LinuxHalt command in linux, descriptions and usage:halt

halt [options]

System administration command: turns off the computer. Insert a note in the file /var/log/wtmp; if the system is in runlevel 0 or 6, stop all processes; otherwise, call shutdown -h.



Suppress writing to /var/log/wtmp.


Call halt even when shutdown -nf would normally be called (i.e., force a call to halt, even when not in runlevel 0 or 6).


Place hard drives in standby mode before halt or power...

Operating system - Linux

How to visit the windows' shared folders from linux?

There are 3 ways to do that, you can:Using Keyboard Shortcut

You can connect to a server by opening the run application window with the Alt+F2 keyboard shortcut. You will just need to specify the server type by adding the protocol at the beginning of the command. For example smb:// will connect to a samba share; other supported protocols are ssh, ftp, sftp, http, and https.

Note: In the example below my server name is playground and the...

Operating system - Linux

How many ways can I install linux? Linux Installation Choices, the different choices of installation media, physical vs. network installs, were compared and contrasted. the installation methods can be categorizes into 4 major categories: 

Method 1:: Clean: installation that does not write to current OS storage media

Method 2:: Dual-boot: peaceful co-existence with current OS on same storage or VM environment

Method 3:: Replacement: overwriting of current OS with Linux on platform storage...

Operating system - Linux


How to change the password under linux? The most common ways of the command line looks as following:

passwd   Change your own password.

passwd sleepy   Change sleepy's password.

passwd -d sleepy   Delete sleepy's password.

When these commands to change your password, you need to enter your old password and new passwords. The new password should be at least six characters long and a little complex.

If you share your Linux system with multiple users, you might do...

Operating system - Linux

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