Linux

How to Change the TCP/IP timeout setting Aix / HP-UX / Solaris / Linux

Use the following steps to change the TCP/IP timeout value for your computer. On AIX, run the following command: no -o tcp_keepinit=<timeout_value> where <timeout_value> is the length of the timeout period, in half seconds. To configure a timeout of 30 seconds, set the <timeout_value> value to 60. On Solaris and HP-UX, run the following command: …

How to Change the TCP/IP timeout setting Aix / HP-UX / Solaris / Linux Read More »

Tuning for Oracle Database on UNIX

Operating System Tools Several operating system tools are available to help you assess database performance and determine database requirements. In addition to providing statistics for Oracle processes, these tools provide statistics for CPU usage, interrupts, swapping, paging, context switching, and I/O for the entire system. Common Tools The following sections provide information on common tools: …

Tuning for Oracle Database on UNIX Read More »

RHCE "Cheat Sheet"

This document attempts to provide answers to all study points on the RHCE and RHCT Exam Preparation Guide in a single-page (and thus, printable) format. This is not a “brain dump” or an attempt to cheat the RH302 exam in any way. These are just my self-study notes. Use them at your own risk. Other …

RHCE "Cheat Sheet" Read More »

Linux : swapon: /dev/sda5: Invalid argument

Today I have resize all Linux partition and find that my swap is not mounted. I have make swap again and its working fine. Before resize of partition : alienvault:/var/log# df -hFilesystem    Type    Size  Used Avail Use% Mounted on/dev/sda1     ext3     95G   74G   16G  83% /tmpfs        tmpfs   1008M     0 1008M   0% /lib/init/rwudev         tmpfs     10M  616K  9.4M   …

Linux : swapon: /dev/sda5: Invalid argument Read More »

Scroll to Top