Category Archives: Linux

wget is a very good utility to download large files or iso images. When downloading large file or DVD iso, you can use wget -c ‘url to iso file’ which you can resume download from where you left last time. … Continue reading →

Here we will be connecting two linux machines, of which ISP is blocking ports. On the machine behind the blocked ports: Download hamachi for linux. https://secure.logmein.com/products/hamachi/list.asp I have hamachi-0.9.9.9-20-lnx.tar.gz Uncompress tar file with tar zxvf hamachi-0.9.9.9-20-lnx.tar.gz -C /usr/src/ Change directory … Continue reading →

Following steps will give you sify client on linux, working with an automatic connectivity, you need to be root. Create a directory where we will be keeping sifyconnect related files or scripts. mkdir /usr/src/sify Change directory cd /usr/src/sify Download sifyclient … Continue reading →

Channel bonding treats multiple physical connections to switch units as a single logical link. 1. Create /etc/sysconfig/network-scripts/ifcfg-bond0 file with following entries: DEVICE=bond0 IPADDR=10.1.10.33 NETMASK=255.255.255.0 NETWORK=10.1.10.0 BROADCAST=10.1.10.255 ONBOOT=yes GATEWAY=10.1.10.1 BOOTPROTO=none USERCTL=no 2. Create an ifcfg-ethn file for each interface in the … Continue reading →

public key based authentication Objective: To run a command on a remote linux machine without entering a password. Remote Linux Machine (10.1.10.6) Local Machine (10.1.10.20) Steps for Local Machine: Generate a public key with command ssh-keygen -t dsa Generating public/private … Continue reading →

I am adding very brief info here, will try to add details regarding options used when have time. Server=http://anuj.sytes.net (Red Hat Enterprise Linux 5) Client=any other unix based machine. On the rsync server Create  /etc/rsyncd.conf uid = nobody gid = … Continue reading →

Linux Heartbeat “Provide a high availability (clustering) solution for Linux which promotes reliability, availability, and serviceability (RAS) through a community development effort.” As the linux-heartbeat is not yet shipped with Red Hat Enterprise Linux, one can use rpm’s from the … Continue reading →

The xinetd daemon is a TCP wrapped super service which controls access to a subset of popular network services including FTP, IMAP, and Telnet. It also provides service-specific configuration options for access control, enhanced logging, binding, redirection, and resource utilization … Continue reading →

In new versions of linux grub( grand unified bootloader) works great. If your boot loader is corrupt or over written by dumb microsoft os there are many ways to recover e.g. using your linux boot media. In case you don’t have … Continue reading →

Installation of java and Apache-tomcat on Linux 1.Introduction 2.Installation of java 3.Installation of apache tomcat 4.References 1.Introduction: This document is meant for the installation of java and apache-tomcat over a linux machine. 2.Installation of java Download the JDK from Sun, … Continue reading →