How to run cron in every second | Interview Question for Linux Administrator

Question 1: how  to run cron in every second

It's not possible to run cron in every second but we can run cron in every second  using this method, we use a sleep command before the echo date.

how many runlevel in Unix like operating system | runlevel in linux

Question : how many runlevel in Unix like operating system ?
Question : what is runlevel ? 
Question : type of runlevel ?
Question : how to change runlevel in Linux ?
Question : what is a default runleve in linux ? 

How to Factory Reset IPMI Setting Using Linux Tools | Reset IPMI Password

               

1) How to reset supermicro IPMI ?

2) factory reset ipmi setting ?

3) reset default setting of IPMI ?

4) Reset IPMI IP and admin password ?

5) forget IPMI password, how to reset ?

Reset IPMI Setting

ipmitool, ipmi, ipmitool commands, ipmi port, ipmi supermicro, ipmiview, ipmiview download, ipmi configuration, ipmi access,

How to Configuration VLAN in Windows | VLAN in Windows

In This topic we will leart to Add VLAN in windows, Configure VLAN in windows 10, add vlan in windows 7, VLAN in window pc, virtual local area connection, VLAN,

We have a realtek ethernet card, if you have other chipset you can search "ethernet diagnostic utility" and install.

Step 1:

Verify Ethernet card :

Step 2

Search and download "realtek ethernet diagnostic utility"

http://www.realtek.com.tw/Downloads/downloadsView.aspx?Conn=4&DownTypeID=3&Langid=1&Level=5&PFid=5&PNid=13

OR

https://az695102.vo.msecnd.net/rtdrivers/cn/nic/0004-Diagnostic_v2.0.3.0_AllInOneRel_0803.zip

After download extract utility

Go to utility folder and run setup.exe

After successfully installed the utility, open utility

Find Realtek PCI card and click on it

Click on “VLAN” and Press Add button

Enter Vlan ID

Press “Add” button again and confirm by press “Yes”

Virtual LAN created successfully

Now you can access vlan 122 by configure according to network.