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How To: Set Host, IP & Domain – Linux Redhat

December 31, 2011 How To:, Linux Author: prasad

In Linux redhat server configuration IP address, hostname and domain name play an important role to connect with other client / server. If we made any mistakes in IP address, Hostname and domainname , two systems will not communicate each other. Hostname, Domainname should be same and IP address shouls be in same network. Eg: Hostname: Server1.example.com Doamin name: example.com IP Address: 192.168.1.110 How To view IP address, Hostname & Domain name For ip address: #ifconfig For hostname: #hostname For doaminname: #domainname How To Set

How To: Redhat Package Manager Tutorial

December 31, 2011 Linux Author: prasad

RPM stands for Redhat Package Manager, it was introduced in 1997 especially for LINUX Redhat. RPM ends with file extension .rpm #rpm - Options -i -->install -v -->verboss -h -->hash -u -->upgrade -e -->remove INSTALL To install netconfig rpm file #rpm -ivh netconfig* --aid #rpm -ivh netconfig* --aid --force UPGRADE #rpm -uvh To upgrade netconfig rpm package #rpm -uvh netconfig* Querying #rpm -qa Here q-query a-all

How To Configure NFS(Network File System) Server in LINUX Redhat

December 30, 2011 Linux Author: prasad

Network File System Server is used to share the files on network. One of the major advantage in NFS server is ,it is centralized. It will reduce the work load to server. When compared to other file sharing methods NFS Server is insecure. Service Name: nfs Open the terminal and install nfs package #yum install nfs* Go to #vim /etc/exports Type the following line. Here /var/ftp/pub is the directory to be shared on network. /var/ftp/pub *(rw,sync) To share the directory for particular IP address. /var/ftp/pub 192.168.1

Block/Restrict SSH Login with TCP Wrapper

December 28, 2011 Linux Author: prasad

Generally all users in LINUX can able to login to server through SSH. Here we are going to see how to block/restrict SSH login with TCP Wrapper. TCP Wrapper is used to block FTP, SSH, TELNET. To deny/restrict/block the IP address 192.168.1.10 for SSH remote login. #vim /etc/hosts.deny sshd: 192.168.1.10 To deny/restrict/block the IP address Except 192.168.1.10 for SSH remote login. #vim /etc/hosts.deny sshd: ALL EXCEPT 192.168.1.10 To deny/restrict/block the IP address on network 192.168.1 for SSH remote login. Here 24 & 255

SSH(Secure SHell) in REDHAT

December 28, 2011 Linux Author: prasad

Secure Shell is used to remotely login into other system with secure by means of username and password Service :sshd #ssh IP ADDRESS Eg: #ssh 192.168.1.10 password:****** Service to be restarted for secure shell is #service sshd restart Configuration file #chkconfig sshd on Configuring Server to allow particular user only to remote login #vim /etc/ssh/ss-config Edit in line 36 Authentication->Allowusers user1

How To view files copying rate in terminal mode(Linux REDHAT)

December 27, 2011 Linux Author: prasad

In REDHAT, WATCH command is used to view the file transferring rate. #watch -n 1 du -sh $destination directory$ If files are copying from /mnt to /var/ftp/pub, then command to watch the file copying rate is #watch -n 1 du -sh /var/ftp/pub watch -- To watch file transfer du --disk usage Other search terms: How to watch file transfer rate in LINUX/REDHAT Linux file transfer rate command Command to watch Linux file transfer/copying rate.

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