Connect to SSH using customed port from UBuntu Terminal

Scope and conditions :

  1. SSH service is running on remote server.
  2. SSH is binded to IP address
  3. SSH service is running on Port 9394 or customed port (SSH default port 22).
  4. There is no firewall on your computer or your network. Continue reading

Not enough space in tmp due to eaccelerator

OS : Linux CentOS 5, cPanel® 11.24

Problem :

a. Centos /tmp keeps on getting full, culprit identified is EAcclerator.
b. Production server that needs minimal down time minimal changes.

Scope :

a. OS is CentOS 5.2 redhat
b. /var has more than 4GB free space
c. Have administrator and root access

Possible solution :

a. Recompile Apache with EAccelerator disabled.
b. Create cron to clear to clear space in regular interval.
c. Create a customed script that clears EAccelerator cache at regular interval.

What is your choice ? Continue reading

Nuts about NAT

Unlike actual mailing or house addresses, public IP addresses is more easily depleted.

Each host in a computer network or Internet in this case, requires public IP address to identify itself in the Internet. IP Simplified : It is used as a unique Identity for computers to communicate and interact in the Internet.

IP Address is a highlighted on the first statement is getting more rare. Due to this limitation, many users needs to share a single Internet public IP… Continue reading

Migrating MSDE 2000 db to MSSQL 2005 Express

Scenario :
An ASP web application in which the backend DBMS is running on MSDE 2000 SQL Server.

Objective :
Making the ASP web application to use MSSQL 2005 Express on to the server. On top of that database created on the MSDE 2000 Instance needs to be migrated over to the MSSQL 2005 .

Scope :
1. MSDE 2000 SQL Server instance name is localhostHELM , MSSQL db name HelmDb.
2. MSDE 2000 SQL Server instance is running at a non MSSQL default port (not 1433).
3. MSSQL Server 2005 Express is used.
4. Using default MSSQL Server 2005 Express instance localhostSQLEXPRESS .
5. OS used Windows Server 2003.

Workflow : Continue reading