December, 2008

How to speed up your website with phpCache

Caching seems to be the new trend. But aside from all the marketing, it’s really a lot more than that. If you don’t have the money to buy those lovely Zend products, you might find yourself turning to the world of Open Source (again). And viola! You’ll be helped. There are two ways to cache [...]

How to run a PHP script on cron

Lots of programmers like PHP for its ability to code and develop web applications fast. Code-debugging is a lot easier than with PERL or C. However, there is one thing a lot of developers are puzzled about, “How to run PHP Scripts with crontab?” Cron is normally available on all Unix and Linux distributions; if [...]

How to run a URL automatically in Schedule Task

If you need to run the same programs on a regular basis, you may want to check out Window XP’s Scheduled Tasks feature. With Scheduled Tasks, you can run a script, program, or even open a document automatically. You can set it to run every day, weekly or on the days you specify. For example, [...]

How to Install JIRA Standalone under Linux with MySQL

JIRA is an issue-tracking project management tool made by Atlassian. It is primarily used by the Second Life open source community and may be referred to as the “Public JIRA”, “PJIRA”, or just “JIRA”, depending on the context. There is a script available to install JIRA on linux system ,  It will take only 5 [...]

How to Install and Configure PHP-Nuke – Content management system

What is PHP-Nuke? PHP-Nuke is a web based automated news publishing and content management system based on PHP and MySQL. The main aim of PHP-Nuke is to allow a webmaster to create a community-based portal, with an automated web site allowing users and editors to post items. Users can comment on these articles using the [...]

How to Configure Web Interface Failover – Citrix – NetScaler

When an Access Gateway is not licensed as a load balancer, you can configure a virtual server with one real server bound to it. Multiple real servers cannot be load balanced, but the virtual server can provide health monitoring and failover capabilities. You can use the capability to configure failover to multiple servers running the [...]

How to Install Licenses on the Access Gateway – Citrix – NetScaler

Before the Access Gateway can be configured to support user sessions, the appliance must be licensed. The Access Gateway Universal license enables the appliance to support a specific number of concurrent users. The total number of concurrent user sessions on the appliance cannot exceed the license count defined in the Access Gateway Universal license. When [...]

Breach Securityâ„¢ Labs Alert – Mass SQL Injection Attack

Priority: HIGH Impact: Potential for database corruption or malware to be distributed to website visitors. Resolution: Verify blocking policy in web application firewall. Remediate the following web application and database flaws: 1. Poor/missing input validation of user-supplied data in the web application. 2. Poor/missing output encoding of user-supplied data. 3. Improper database permissions and/or SQL query construction. Who: [...]

How to Verify that NFS is running

This says that we have NFS versions 2 and 3, rpc.statd version 1, network lock manager (the service name for rpc.lockd) versions 1, 3, and 4. There are also different service listings depending on whether NFS is travelling over TCP or UDP. Linux systems use UDP by default unless TCP is explicitly requested; however other OSes such as Solaris default to TCP.

How to Configure your server to permit SSI – Apache

This tells Apache that you want to permit files to be parsed for SSI directives. Note that most configurations contain multiple Options directives that can override each other. You will probably need to apply the Options to the specific directory where you want SSI enabled in order to assure that it gets evaluated last.

Spammers Attempting to Cash in on Mumbai Terror

India recently suffered a shocking terrorist attack, with hostage situations in Mumbai involving Indian nationals as well as tourists and travelers from all over the world. Updates on the terrorists’ activity are still being followed closely. Sadly, spammers would never want to miss the chance to capitalize on the fast-spreading news of this tragic incident, [...]

How to Run MySQL in ANSI Mode

You can tell mysqld to run in ANSI mode with the –ansi startup option. Running the server in ANSI mode is the same as starting it with the following options: –transaction-isolation=SERIALIZABLE –sql-mode=ANSI As of MySQL 4.1.1, you can achieve the same effect at runtime by executing these two statements: SET GLOBAL TRANSACTION ISOLATION LEVEL SERIALIZABLE; [...]

How Large MySQL Tables Can Be

MySQL 3.22 had a 4GB (4 gigabyte) limit on table size. With the MyISAM storage engine in MySQL 3.23, the maximum table size was increased to 65536 terabytes . With this larger allowed table size, the maximum effective table size for MySQL databases is usually determined by operating system constraints on file sizes, not by [...]

How to Protect against the vulnerabilities

Protecting against zero day vulnerability exploitation is a matter of great concern for most system administrators. To reduce the impact of a zero day attack, follow best business practices such as: Adopt a deny-all stance on firewalls and perimeter devices that protect internal networks Separate public-facing servers from internal systems Turn off unneeded services and [...]

How to Protect against P2P Software Vulnerabilities

Standard users should not be permitted to install software. Restrict Administrative and Power User level privileges to support personnel acting in their support capacity. If a user must have Administrative or Power User privileges, create a separate account to be used for his/her daily office functions, Internet surfing and on-line communication. Use tools such as [...]