KrazyWorks | Tag Archive

Home » Archive by Tags

Articles tagged with: network

Windows 7 Black Screen After Booting

October 5, 2010 – 4:07 am

I had to power-cycle my Windows 7 64-bit laptop. The bootup sequence looked normal and reached a point where I could see the black screen with the mouse cursor. After this stage my desktop would usually appears, but not this time. I could move the mouse and I could even establish a remote desktop connection to my laptop. But I could not log in. Every time it would reach the same point – the black screen with the mouse cursor – and it would stop.

How to Really Kill Computer Viruses

February 21, 2010 – 6:34 am

How do you know if your computer has a virus? Is it connected to the Internet? Then it has a virus. Many computer viruses and other malicious applications are very resilient and will actively resist any attempts to deactivate and remove them. Some viruses can even delete your antivirus application or prevent it from working properly. Many viruses cannot be effectively removed once they are loaded in memory and active.

Windows Network Troubleshooting Script

January 20, 2010 – 10:15 pm

I try my best to stay away from Windows. I wish my clients did the same. The usual difficulty of troubleshooting elusive network performance problems is amplified many-fold when there is a Windows computer at the end of the line. With Unix it’s relatively simple: run tests “a”, “b”, “c”, etc and follow the familiar process of elimination. With Windows in the picture the number of steps uses up all of the English alphabet and spills over well into the Russian one. And when you finally reach step “я”, you have to pull out your Chinese dictionary.

Copying Data: Are We There Yet?

December 27, 2009 – 7:12 pm

I am sure this will sound familiar: you are copying a large amount of data – either locally or over the network – and you are wondering how long it will take and if there is a way to make things go faster.You may be surprised, but it does matter what type of files you are copying: 1Gb-worth of many small files will take considerably longer to copy than two 500Mb files. The hardware you are using is an important consideration, but it’s not the only factor limiting data transfer speed.

Simple network monitoring with ping

April 11, 2006 – 10:12 am

In the Spring of 2005 Comcast experienced a major DNS outage. Since then many Comcast users have switched to DNS servers that belong to Verizon and other ISPs. Comcast started taking a lot of flak …

Protected: Notes on Electronic Security

February 7, 2006 – 12:05 pm

There is no excerpt because this is a protected post.

Using pkg-get on Solaris

December 13, 2005 – 12:27 pm

Pkg-get Installation Notes
Pkg-get is an open-source, Sun-approved software installation and management tool for Sun Solaris. You can use pkg-get to install a variety of pre-compiled software without having to worry about version compatibility, patch requirements, …

Configuring multi-IP network interfaces

December 2, 2005 – 12:18 pm

This article explains how to configure a network interface to support virtual IP addresses. This is useful in a cluster environment or in any high-availability service cnfiguration, when you need to ensure that at least …

Solaris performance monitoring

November 28, 2005 – 4:47 pm

The following is a brief overview of common performance monitoring tools for Solaris, including built-in tools, freeware add-ons, and commercial applications.
Souce: http://www.sunperf.com/perfmontools.html
Built-in Tools
vmstat
The vm in vmstat stands for Virtual Memory, of course. So let us …

Wget examples and scripts

November 27, 2005 – 3:19 pm

Wget is a command-line Web browser for Unix and Windows. Wget can download Web pages and files; it can submit form data and follow links; it can mirror entire Web sites and make local copies. …

Basic Network Configuration Under Solaris

November 26, 2005 – 1:27 pm

The following document provides a general overview of the network configuration process for Solaris. For a detailed review of Solaris network configuration please see Chapter 4 of the O’Reilly Solaris 8 Administration Guide by Paul …