1)What is the difference between Xen and VMware?
A)XEN : Xen is an open-source virtualization solution. The Xen hypervisor acts as a thin layer between the hardware and the operating system, allowing multiple virtual servers to run simultaneously on a single physical server. Each virtual server acts independently of the others, with it’s own allocated area of RAM and virtual disks.
VMware : VMware is a company that provides virtualization software for x86-compatible computers.
2)Can we install HPUX( (Hewlett Packard UniX) on Vmware?
A)No. Because HPUX can be installed only on PA-RISC or Itanium and Vmware can not emulate this hardware.
3)How to use SAMBA as PDC(Primary Domain Controller)?
4)What is IPchains?
A)Ipchains is a utility for Linux that System Administrators can use to create and modify the ruleset that is used for their host based firewall. These rules are used by a system to decide whether or not it is going to allow a specific remote connection.
5)What is the difference between IPchains and IPtables?
IPchains : Ipchains is a utility for Linux that System Administrators can use to create and modify the ruleset that is used for their host based firewall. These rules are used by a system to decide whether or not it is going to allow a specific remote connection.
IP tables : Iptables is a generic table structure that defines rules and commands as part of the netfilter framework that facilitates Network Address Translation (NAT), packet filtering, and packet mangling in the Linux 2.4 and later operating systems.
6)Explain me how we can use parted command to create partitions ?
7)What is hard NFS(Network File System)? mount and soft NFS mount?
8)Explain briefly about Linux Booting process?
9)What is the difference between TCPdump and Nmap?
10)How to create EXT3 and EXT2 file system?
11)What is the difference between ext2,ext3 and ext4?
12)How to extend LV(Louis Vuitton)?
13)How to see how many VG’s are there?
14)Explain the process of configure Apache.
15)How many types of chains are there in IPtables and what are they explain each?
16)What is super block?
17)What is INODE limit? If the file system reaches that limit’s how to resolve that?
A)Inode is a unique number given to a file in Unix OS. Every file in Unix has a inode number. unix treats directories/folders as a file so they are also having a inode value.
18)What are ACL’s in Linux how to implement it in Linux?
19)How to take backup to Tape-drives?
20)How to rectify if tape drive file(hardware file) is missing?
21)What is the difference between RAID01 and RAID10?
22)When using RAID in which cases will you use RAID1 and which cases you will use RAID5?
23)How to implement password less SSH logins?
24)How a user can change a password?
25)How can you get info that my last command executed properly?
Please visit https://www.linuxnix.com for more linux admin stuff
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Mr Surendra Anne is from Vijayawada, Andhra Pradesh, India. He is a Linux/Open source supporter who believes in Hard work, A down to earth person, Likes to share knowledge with others, Loves dogs, Likes photography. He works as Devops Engineer with Taggle systems, an IOT automatic water metering company, Sydney . You can contact him at surendra (@) linuxnix dot com.
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