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: $ [...]
Extract the contents of an RPM
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 [...]
Nagios Installation and Configuration
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 [...]
Nagios – An Introduction
What is Nagios? Nagios is a framework for setting up monitoring of hosts, services, and networks . What are the components of Nagios? nagios – the [...]
Firewall – Reject or Drop a packet
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 - [...]
HTTP Response Status Codes information
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 [...]
Difference between Buffer and Cache
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. [...]
Memory Usage in Linux
Check the memory usage on a linux system with the command given below. The free command helps in getting the memory usage in the system [rams@stopprepare-lx [...]
Rendering MySQL query results in vertical format
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 [...]
Disable the Error Beep in MySQL
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 [...]