Tag archive for ‘line’

How to convert files from Windows format to UNIX format

This tip shows you how to convert files from Windows format to UNIX format and vice versa. This can be handy if you’ve ever opened a file that was created in Windows and found your screen full of of ^M characters at the end of every line. Code Listing 1: Converting files with tr and [...]

How to Restrict System Access from Servers and Networks

Usually a firewall is used to protect a server from other servers and networks. However, in some cases you may also want to protect a server within a network by using a TCP Wrapper. The Xinetd super server that comes with most Linux distributions includes a built-in TCP wrapper. It can be used to explicitly [...]

Ubuntu: Rename an Account [ User ID ]

How do I rename a user name from ‘tom’ to ‘jerry’ under Ubuntu Linux? You need to use the usermod command. It can modify the system account files (such as /etc/passwd) to reflect the changes that are specified on the command line. The syntax is as follows: usermod -l {new-login-name} {current-old-login-name} In this example, rename [...]

Transfer backup files from server to server in command line!

i have been struggling to find some way or another to transfer my file from one linux server to another using commandline. Before this i was just using cpanel to do backups. Here is an easy way to accomplish transferring backup files from one server to another in linux. Just simple command using SCP (secure [...]

DNS recursive

For who have recently notice that now DNSreport do verify if your DNS is recursive lookup or not, here is the tip on how to set it up. open you named.conf and add before options { the follow lines: acl “trusted” { xxx.xxx.xxx.xxx; yyy.yyy.yyy.yyy; }; where xxx.xxx.xxx.xxx is your ip address same for yyy.yyy.yyy.yyy. for [...]

How Do I Enable Remote Access To MySQL Database Server?

By default remote access to MySQL database server is disabled for security reasons. However, some time you need to provide remote access to database server from home or a web server. If you want to remotely access to the database server from the web server or home, follow this quick tutorial. MySQL Remote Access You [...]

FreeBSD IP Alias: Setup 2 or More IP address on One NIC

IP aliasing is the process of assigning more than one IP address to a network interface. This is useful for Apache web server virtual hosting or other network servers such as ftp server. This tutorial explains how to assign one or more IP address to a single network interface under FreeBSD operating system. It is [...]

Solaris: How do I setup a default static route / static router IP address?

/etc/defaultrouter is the configuration file for default router under Solaris os. The /etc/defaultrouter file can contain the IP addresses or hostnames of one or more default routers, with each entry on its own line. If you use hostnames, each hostname must also be listed in the local /etc/hosts file, because no name services are running [...]

Script utility to read a file line line and separate line in fields

Script utility to read a file line line version 2. This is simpler version of readline script, it also demonstrate how to process text data file line by line and then separate line in fields, so that you can process it according to your need. #!/bin/bash # # Shell script utility to read a file [...]

Shell Script Utility To Read a File Line By Line

#!/bin/bash # Shell script utility to read a file line line. # Once line is read it can be process in processLine() function # You can call script as follows, to read myfile.txt: # ./readline myfile.txt # Following example will read line from standard input device aka keyboard: # ./readline # ———————————————– # Copyright (c) [...]