Best Unix, Linux Resourses, Tips, Tutorial, Articles and HowTos

Linux server backup and restore procedure

Posted by linux on May 9, 2011 | 0 Comment

Linux server backup and restore procedure Very important to backup our server. There are lots of methods to perform backups with Linux. These include command-line tools included with every Linux distribution, such as “dd”, “dump”, “cpio”, as well as “tar”. #tar cvfz backup.tgz /bin /etc /boot /usr /app /proc” #tar cvpzf backup.tgz... Read more »

Red Hat training and certifications

Posted by linux on May 6, 2011 | 0 Comment

Red Hat training and certifications There are many Linux distributions in the marker, but there are only few companies provide enterprise level release support. Red Hat Certification is one of the popular certificates. Linux Certifications Red Hat Certified System Administrator (RHCSA) Red Hat Certified Engineer (RHCE) Certificates of Expertise Red Hat Certified Virtualization... Read more »

Final check list before server goes to production

Posted by linux on April 29, 2011 | 0 Comment

Final check list before server goes to production: After you build the server for Production environment, you need to be extra careful before you give it application team or customer. Here are some of the consideration which I have in my mind. Backup requirements Monitoring requirements Network redundancy All firmware and software patches up to date Remote console configured... Read more »

DNS Configuration Files

Posted by linux on April 7, 2011 | 0 Comment

The DNS Configuration Files The DNS configurations files are very important and you have to very careful when you configure. Most of the applications use hostname/domainname instead of IP address. If you have installed bind-chroot pachage, then you can files in /var/named/ directory. DNS Configuration File Description /etc/sysconfig/named Set up different configuration... Read more »

How to manage iSCSI volumes and devices on Linux

Posted by Ananthan on March 22, 2011 | 0 Comment

How to manage iSCSI volumes on Linux iSCSI is a good choice for small companies who don’t have big budget fiber channel storage solution. Basically SCSI commands signal go through IP networks instead of a costly Fiber Channel. I bought a StorCenter IX2 to test iscsi volume on my CentOS box. iSCSI works like a server- client architecture. Our system (example centos) is a server... Read more »

Linux iptatables firewall tutorial

Posted by linux on March 9, 2011 | 0 Comment

FireWall/IPtables Firewall is very important to enable on servers. Most of the linux distributions have an extremely powerful firewall built in, commonly referred to as iptables, but more accurately is iptables/netfilter. Iptables is the userspace module, the bit that you, the user, interact with at the command line to enter firewall rules into predefined tables. Netfilter is a... Read more »