Month: March 2010

How to identify CPU resource problem?

March 24, 2010 FreeBSD, Linux General actsupp-r0cks 0

vmstat command helps us to determine if a server is running short of CPU resources. First, let us determine the number of CPUs available Linux: $ [...]

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Extract the contents of an RPM

March 16, 2010 Linux General actsupp-r0cks 0

Using rpm2cpio command, the contents of an RPM package can be extracted without having to install the package. For source RPMs too this command can be [...]

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Nagios Installation and Configuration

March 16, 2010 Linux General, Monitoring actsupp-r0cks 0

Nagios Installation in Ubuntu Required Packages Install the following packages on  Ubuntu installation before continuing. Apache 2 PHP GCC compiler and development libraries GD development libraries [...]

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Nagios – An Introduction

March 16, 2010 Linux General, Monitoring actsupp-r0cks 0

What is Nagios? Nagios is a framework for setting up monitoring of hosts, services, and networks . What are the components of Nagios? nagios – the [...]

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Firewall – Reject or Drop a packet

March 16, 2010 Linux/Windows Support actsupp-r0cks 0

While setting up firewall rules, the biggest question that arises while blocking a packet is, whether to reject or drop that packet. Reject a packet - [...]

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HTTP Response Status Codes

March 16, 2010 HTTP/WebServer actsupp-r0cks 0

The HTTP status codes are divided into categories based on the first digit in the code Code Category Type 1nn Informational 2nn Success 3nn Redirection 4nn [...]

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Difference between Buffer and Cache

March 13, 2010 Linux General actsupp-r0cks 0

Buffers are allocated by various processes to use as input queues, etc. Most of the time, buffers are some processes' output, and they are file buffers. [...]

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Memory Usage in Linux

March 13, 2010 Linux General actsupp-r0cks 0

The free command helps in getting the memory usage  in the system [rams@stopprepare-lx ~]$ free -m total       used       free     shared    buffers     cached Mem: 1002        985         17          [...]

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Rendering MySQL query results in vertical format

March 13, 2010 FreeBSD, Linux General, MySQL actsupp-r0cks 0

Easily reviewing SELECT query results in a shell window can be particularly difficult when a table consists of numerous columns. Remedying this inconvenience is easily done [...]

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Disable the Error Beep in MySQL

March 13, 2010 Linux General actsupp-r0cks 0

To temporarily disable the beep, pass --no-beep along when logging into the server: %>mysql -u root -p --no-beep To permanently disable this annoyance, add no-beep to [...]

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