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 ? 

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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 ?

How to reset supermicro IPMI settings linke IP and password, factory reset ipmi setting, reset default setting of IPMI, Reset IPMI IP and admin password and Reset to the factory default LAN and FRU, how to reset,
Reset IPMI Setting
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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

VLAN, VLAN configuration in window, vlan tag in window, tag network, configure vlan in window, VLAN in windows


After download extract utility


Go to utility folder and run setup.exe


After successfully installed the utility, open utility

VLAN, VLAN configuration in window, vlan tag in window, tag network, configure vlan in window, VLAN in windows

Find Realtek PCI card and click on it

VLAN, VLAN configuration in window, vlan tag in window, tag network, configure vlan in window, VLAN in windows

Click on “VLAN” and Press Add button

VLAN, VLAN configuration in window, vlan tag in window, tag network, configure vlan in window, VLAN in windows

Enter Vlan ID


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



Virtual LAN created successfully

VLAN, VLAN configuration in window, vlan tag in window, tag network, configure vlan in window, VLAN in windows


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