NewbieTux

Newbie guides for *nix users, newbie system admin

Entries for the ‘system Administration’ Category

How-to: Install squid on ubuntu

What is squid?
Squid is a caching proxy of web which supports HTTP, HTTPS, FTP and many more. It can be used to reduce bandwidth (in term reduce the internet bill to some extend ) , improve response time. It has many features like access control. Can also server the purpose of server accelerator.
In this [...]

How-to: Configure caching only name server (caching DNS) for your small office / home on Centos / RHEL4

Configure caching DNS server for your small office so save turn around time of your networks dns quries:
1) Install bind if already not installed from your installation CDs
rpm required as below:
bind-9.2.4-2
bind-chroot-9.2.4-2
caching-nameserver-7.3-3

[root@redhat-testmac1 ~]# rpm -Uvh bind-9.2.4-2.i386.rpm bind-chroot-9.2.4-2.i386.rpm caching-nameserver-7.3-3.noarch.rpm

Or
use GUI to install DNS server from Add remove programs as below screen shots:
1.a)
1.b) select the DNS [...]

Take backup with dump

You have joined as system administrator in some Company, you see that there is no full backup of /home taken, now you want to start taking backup but you will be taking full backup first( as standard procedure). In this case you can use dump command line utility to take full backup of /home.
Dump is [...]

Lighttpd + PHP + MySQL on Ubuntu 8.04

lighttpd known as “lighty” is a web server, Designed to be secure, fast, flexible, optimized for speed, light for CPU and memory. very sutiable for servers where are load problems, for serving static media separately from dynamic content.
Good for Freelancers, admins, Developers, testers who want to install web server on there Desktops (where memory and [...]

Kernel panic: Mount error 15 mounting ext3, followed by mount error 2 mounting none

 
 
In the boot related problems when you first time boot the system you will see below errors.
 

mount: error 15 mounting ext3
mount: error 2 mounting none
switchroot: mount failed: 22
umount /initrd/dev/:2
kernel Panic: no syncing: Attempt to kill init !

  
This error occurred in your system before showing welcome redhat linux. Which means problem is related to the grub [...]