Debian Admin http://www.debianadmin.com Debian/Ubuntu Linux System Administration Tutorials,Howtos,Tips Fri, 11 Dec 2009 14:12:24 +0000 http://wordpress.org/?v=2.8.6 en hourly 1 Wicd - Easy network connection manager in Debian http://www.debianadmin.com/wicd-easy-network-connection-manager-in-debian.html http://www.debianadmin.com/wicd-easy-network-connection-manager-in-debian.html#comments Fri, 11 Dec 2009 14:09:28 +0000 Admin http://www.debianadmin.com/?p=1301

Wicd is an open source wired and wireless network manager for Linux which aims to provide a simple interface to connect to networks with a wide variety of settings.
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]]> http://www.debianadmin.com/wicd-easy-network-connection-manager-in-debian.html/feed 0 Howto set Netscreen SSG model firewall into Transparent Mode http://www.debianadmin.com/howto-set-netscreen-ssg-model-firewall-into-transparent-mode.html http://www.debianadmin.com/howto-set-netscreen-ssg-model-firewall-into-transparent-mode.html#comments Sun, 29 Nov 2009 00:50:33 +0000 Admin http://www.debianadmin.com/?p=1269

This tutorial will explain Configuring an SSG model firewall into Transparent Mode.This will make the firewall a Layer 2 device.
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]]> http://www.debianadmin.com/howto-set-netscreen-ssg-model-firewall-into-transparent-mode.html/feed 0 Fix for Unable to delete static routes in Cisco catalyst switch http://www.debianadmin.com/fix-for-unable-to-delete-static-routes-in-cisco-catalyst-switch.html http://www.debianadmin.com/fix-for-unable-to-delete-static-routes-in-cisco-catalyst-switch.html#comments Fri, 27 Nov 2009 00:37:12 +0000 Admin http://www.debianadmin.com/?p=1267

Some times you may not be able to delete the static routes in cisco catalyst switches so this tutorial will explain how to fix this problem
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Read the rest of Fix for Unable to delete static routes in Cisco catalyst switch (67 words)

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]]> http://www.debianadmin.com/fix-for-unable-to-delete-static-routes-in-cisco-catalyst-switch.html/feed 0 Howto clear DNS cache in Bluecoat Proxy Server http://www.debianadmin.com/howto-clear-dns-cache-in-bluecoat-proxy-server.html http://www.debianadmin.com/howto-clear-dns-cache-in-bluecoat-proxy-server.html#comments Wed, 25 Nov 2009 00:23:41 +0000 Admin http://www.debianadmin.com/?p=1264

There can be a few occasions where you may need to manually purge the local DNS cache and/or the actual web cache of a Blue Coat ProxySG appliance. While both the DNS cache and web cache will eventually age out it can be helpful to sometimes speed up the process by flushing/purging the DNS and web cache.
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Read the rest of Howto clear DNS cache in Bluecoat Proxy Server (61 words)

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]]> http://www.debianadmin.com/howto-clear-dns-cache-in-bluecoat-proxy-server.html/feed 0 Debian Tip:Use kexec for a quick reboot http://www.debianadmin.com/debian-tipuse-kexec-for-a-quick-reboot.html http://www.debianadmin.com/debian-tipuse-kexec-for-a-quick-reboot.html#comments Sun, 22 Nov 2009 18:39:29 +0000 Admin http://www.debianadmin.com/?p=1262

kexec tool for kexec reboots - This tool is used to load a kernel in memory and reboot into the kernel loaded in memory using the kexec system call.

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]]> http://www.debianadmin.com/debian-tipuse-kexec-for-a-quick-reboot.html/feed 0 Ubuntu 9.10 (Karmic) Screenshots Gallery http://www.debianadmin.com/ubuntu-9-10-karmic-screenshots-gallery.html http://www.debianadmin.com/ubuntu-9-10-karmic-screenshots-gallery.html#comments Fri, 30 Oct 2009 11:01:07 +0000 Admin http://www.debianadmin.com/?p=1218


This is screenshots tour of Ubuntu 9.10 (code name “Karmic Koala”), the most recent release of Ubuntu, released on the 29th of October 2009.Click on the Image to view small view.

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]]> http://www.debianadmin.com/ubuntu-9-10-karmic-screenshots-gallery.html/feed 0 Howto install Cairo-Dock in debian http://www.debianadmin.com/howto-install-cairo-dock-in-debian.html http://www.debianadmin.com/howto-install-cairo-dock-in-debian.html#comments Fri, 23 Oct 2009 00:31:17 +0000 Admin http://www.debianadmin.com/?p=1184

Cairo-Dock is an animated application launch bar for the desktop, comparable to the dock in Mac OS X or Rocket Dock (for Windows). Now, you can use Cairo-Dock with OpenGL (to use your graphic card!).
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]]> http://www.debianadmin.com/howto-install-cairo-dock-in-debian.html/feed 1 Howto install Real Player 11 in Debian Lenny http://www.debianadmin.com/howto-install-real-player-11-in-debian-lenny.html http://www.debianadmin.com/howto-install-real-player-11-in-debian-lenny.html#comments Sun, 18 Oct 2009 00:29:48 +0000 Admin http://www.debianadmin.com/?p=1181

RealPlayer plays streaming audio and video over the Internet in real-time. It plays RealAudio, RealVideo, MP3, 3GPP Video, Flash, SMIL 2.0, JPEG, GIF, PNG, RealPix, RealText, Ogg Vorbis, and Ogg Theora. It is available for Windows, Macintosh, Pocket PC, Nokia 9200 Series, Nokia 7650, Palm OS 5-based handhelds, Linux, Solaris, and many Unix variants.

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]]> http://www.debianadmin.com/howto-install-real-player-11-in-debian-lenny.html/feed 0 OIDs for the sensors on the Bluecoat ProxySG http://www.debianadmin.com/oids-for-the-sensors-on-the-proxysg.html http://www.debianadmin.com/oids-for-the-sensors-on-the-proxysg.html#comments Wed, 14 Oct 2009 00:51:51 +0000 Admin http://www.debianadmin.com/?p=1170

Here is a list of sensors and the SNMP OID for that sensor:

Sensor Name SNMP OID
Motherboard temperature 1.3.6.1.4.1.3417.2.1.1.1.1.1.5.1
Power supply cage temperature 1.3.6.1.4.1.3417.2.1.1.1.1.1.5.2
CPU 1 temperature 1.3.6.1.4.1.3417.2.1.1.1.1.1.5.3
Fan 1 speed 1.3.6.1.4.1.3417.2.1.1.1.1.1.5.4
Fan 2 speed 1.3.6.1.4.1.3417.2.1.1.1.1.1.5.5
Fan 3 speed 1.3.6.1.4.1.3417.2.1.1.1.1.1.5.6
Power supply 1 fan 1 status 1.3.6.1.4.1.3417.2.1.1.1.1.1.5.7
Power supply 1 fan 2 status 1.3.6.1.4.1.3417.2.1.1.1.1.1.5.8
Power supply 2 fan 1 status 1.3.6.1.4.1.3417.2.1.1.1.1.1.5.9
Power supply 2 fan 2 status 1.3.6.1.4.1.3417.2.1.1.1.1.1.5.10
CPU 1 fan speed 1.3.6.1.4.1.3417.2.1.1.1.1.1.5.11
+3.3V bus voltage 1.3.6.1.4.1.3417.2.1.1.1.1.1.5.12
+5V bus voltage 1.3.6.1.4.1.3417.2.1.1.1.1.1.5.13
+12V bus voltage 1.3.6.1.4.1.3417.2.1.1.1.1.1.5.14
CPU 1 core voltage 1.3.6.1.4.1.3417.2.1.1.1.1.1.5.15
CPU 1 +2.6V bus voltage 1.3.6.1.4.1.3417.2.1.1.1.1.1.5.16
Power supply 1 status 1.3.6.1.4.1.3417.2.1.1.1.1.1.5.17
Power supply 2 status 1.3.6.1.4.1.3417.2.1.1.1.1.1.5.18

(Note: The above sensors come from an 8100-B, but they should be the same for most platforms)

The easiest way to verify any of the OIDs above is to use the SNMP get command and then verify the sensor reading in the sysinfo.

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]]> http://www.debianadmin.com/oids-for-the-sensors-on-the-proxysg.html/feed 0 How to Set Up a High Performance Cluster (HPC) Using Debian Lenny and Kerrighed http://www.debianadmin.com/how-to-set-up-a-high-performance-cluster-hpc-using-debian-lenny-and-kerrighed.html http://www.debianadmin.com/how-to-set-up-a-high-performance-cluster-hpc-using-debian-lenny-and-kerrighed.html#comments Thu, 08 Oct 2009 09:04:13 +0000 rsarpi http://www.debianadmin.com/?p=1149

There are many guides found on the net describing Kerrighed and how to set it up using Ubuntu and others.  However, to the best of my knowledge there isn’t a step by step guide specifically designed for Kerrighed using Debian Lenny.  So here it is.  You can set up your own Beowulf Cluster using Debian Lenny and Kerrighed in about 50 steps.  Many of the steps described here are taken straight from other guides because there are applicable here (see sources at the bottom.)  Many other steps are based on my own trial and error.
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]]> http://www.debianadmin.com/how-to-set-up-a-high-performance-cluster-hpc-using-debian-lenny-and-kerrighed.html/feed 1 Ubuntu 9.10 (Karmic) Beta Screenshots Gallery http://www.debianadmin.com/ubuntu-9-10-karmic-beta-screenshots-gallery.html http://www.debianadmin.com/ubuntu-9-10-karmic-beta-screenshots-gallery.html#comments Sat, 03 Oct 2009 18:23:32 +0000 Admin http://www.debianadmin.com/?p=1142


The Ubuntu developers are moving quickly to bring you the latest and greatest software the Open Source Community has to offer. This is the Ubuntu 9.10 beta release, which brings a host of exciting new features.
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]]> http://www.debianadmin.com/ubuntu-9-10-karmic-beta-screenshots-gallery.html/feed 4 cpulimit - Limit the cpu usage of a process http://www.debianadmin.com/cpulimit-limit-the-cpu-usage-of-a-process.html http://www.debianadmin.com/cpulimit-limit-the-cpu-usage-of-a-process.html#comments Fri, 11 Sep 2009 14:08:31 +0000 Admin http://www.debianadmin.com/?p=1103

cpulimit is a simple program that attempts to limit the cpu usage of a process (expressed in percentage, not in cpu time). This is useful to control batch jobs, when you don’t want them to eat too much cpu. It does not act on the nice value or other scheduling priority stuff, but on the real cpu usage. Also, it is able to adapt itself to the overall system load, dynamically and quickly.
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]]> http://www.debianadmin.com/cpulimit-limit-the-cpu-usage-of-a-process.html/feed 0 Bluecoat Proxy SG device Supporting FTP http://www.debianadmin.com/bluecoat-proxy-sg-device-supporting-ftp.html http://www.debianadmin.com/bluecoat-proxy-sg-device-supporting-ftp.html#comments Sat, 05 Sep 2009 00:59:50 +0000 Admin http://www.debianadmin.com/?p=1075

There are two deployment configurations in which you can deploy your ProxySG.  One is explicit, and the other is transparent.  Please click on the term for a definition of what each of those mean.  This document will break down the FTP proxy by deployment.
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]]> http://www.debianadmin.com/bluecoat-proxy-sg-device-supporting-ftp.html/feed 0 Howto fix SSH connection to the netscreen firewall does not work http://www.debianadmin.com/howto-fix-ssh-connection-to-the-netscreen-firewall-does-not-work.html http://www.debianadmin.com/howto-fix-ssh-connection-to-the-netscreen-firewall-does-not-work.html#comments Sun, 30 Aug 2009 00:40:51 +0000 Admin http://www.debianadmin.com/?p=1058

Problem

SSH is enabled in the firewall and configured correctly, however SSH connection to the firewall does not work.

*  SSH to the firewall stopped working
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]]> http://www.debianadmin.com/howto-fix-ssh-connection-to-the-netscreen-firewall-does-not-work.html/feed 0 Howto install Java6 on debian Etch http://www.debianadmin.com/howto-install-java6-on-debian-etch.html http://www.debianadmin.com/howto-install-java6-on-debian-etch.html#comments Mon, 24 Aug 2009 00:59:09 +0000 Admin http://www.debianadmin.com/?p=1036

Java refers to a number of computer software products and specifications from Sun Microsystems that together provide a system for developing application software and deploying it in a cross-platform environment. Java is used in a wide variety of computing platforms from embedded devices and mobile phones on the low end, to enterprise servers and supercomputers on the high end. Java is nearly ubiquitous in mobile phones, Web servers and enterprise applications, and while less common on desktop computers, Java applets are often used to provide improved functionality while browsing the World Wide Web.
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]]> http://www.debianadmin.com/howto-install-java6-on-debian-etch.html/feed 3 Howto Export Juniper NSM logs to CSV file from the NSM CLI http://www.debianadmin.com/howto-export-juniper-nsm-logs-to-csv-file-from-the-nsm-cli.html http://www.debianadmin.com/howto-export-juniper-nsm-logs-to-csv-file-from-the-nsm-cli.html#comments Tue, 18 Aug 2009 00:15:04 +0000 Admin http://www.debianadmin.com/?p=1001

NSM receives logs from all the devices and the logs are stored under /usr/netscreen/DevSvr/var/logs folder on NSM Device server.These logs are saved in binary format and cannot be viewed directly.
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]]> http://www.debianadmin.com/howto-export-juniper-nsm-logs-to-csv-file-from-the-nsm-cli.html/feed 0 Howto Install Proxmox VE 1.3 on debian 5.01 (Lenny) AMD64 http://www.debianadmin.com/howto-install-proxmox-ve-1-3-on-debian-5-01-lenny-amd64.html http://www.debianadmin.com/howto-install-proxmox-ve-1-3-on-debian-5-01-lenny-amd64.html#comments Thu, 13 Aug 2009 00:22:15 +0000 Admin http://www.debianadmin.com/?p=998

Since disk image of Proxmox VE 1.3 cannot install to my RAID 5EE or 6 hard drive space that larger than 2TB. I have a 3.6TB RAID 5EE hard storage. Therefore, I install it by packages on debian Lenny AMD64.
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]]> http://www.debianadmin.com/howto-install-proxmox-ve-1-3-on-debian-5-01-lenny-amd64.html/feed 0 Howto determine serial numbers for cisco router and Catalyst switch http://www.debianadmin.com/howto-determine-serial-numbers-for-cisco-routers-and-catalyst-switchs.html http://www.debianadmin.com/howto-determine-serial-numbers-for-cisco-routers-and-catalyst-switchs.html#comments Sun, 09 Aug 2009 00:07:44 +0000 Admin http://www.debianadmin.com/?p=988

For Cisco Routers

If you want to know the chassis serial number for your router use the following command
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Read the rest of Howto determine serial numbers for cisco router and Catalyst switch (221 words)

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]]> http://www.debianadmin.com/howto-determine-serial-numbers-for-cisco-routers-and-catalyst-switchs.html/feed 0 Howto use downloaded ISOs as a repository in Debian http://www.debianadmin.com/howto-use-downloaded-isos-as-a-repository-in-debian.html http://www.debianadmin.com/howto-use-downloaded-isos-as-a-repository-in-debian.html#comments Tue, 04 Aug 2009 00:35:12 +0000 Admin http://www.debianadmin.com/?p=986

Instead of inserting (or even burning) multiple CDs to install software in debian you can just use the downloaded ISOs.
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Read the rest of Howto use downloaded ISOs as a repository in Debian (179 words)

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]]> http://www.debianadmin.com/howto-use-downloaded-isos-as-a-repository-in-debian.html/feed 2 Step by Step tutorial howto compile kernel in Debian 5.0 (Lenny) http://www.debianadmin.com/step-by-step-tutorial-howto-compile-kernel-in-debian-5-0-lenny.html http://www.debianadmin.com/step-by-step-tutorial-howto-compile-kernel-in-debian-5-0-lenny.html#comments Tue, 28 Jul 2009 14:34:05 +0000 Admin http://www.debianadmin.com/?p=982

This tutorial will explain Howto compile kernel in Debian 5.0.The default kernel that comes with Debian is better suited for servers. It’s optimized for high thoughput and low interactivity. When you compile your own, you can among other things optimize it for the processor(s) you have.
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Read the rest of Step by Step tutorial howto compile kernel in Debian 5.0 (Lenny) (340 words)

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