Author: Chris

Juniper router MX240 routing-engine failover configuration and tips   GRES (Graceful Routing Engine Switchover) is easier to setup.   [edit chassis redundancy] Juniper@MX2400# show routing-engine…

Recently, I had discovered some weird issue during new Juniper MX240 installation. Gigabit interface  was not automatically coming up after routing-engine failover process. Here is…

After updating all patches(*.*), lost GUI access as user(admin), but not ssh. Here is what you could try to resolve the issue.   chris@ubuntu_server:~$ ls…

Try to re-install Zyxel SecuExtender software. If you cannot uninstall the program in any reason, try this article.

There is other way to uninstall a programs that are lost installer or *.msi file during registry or folder cleanup processing. However, this method is…

To show CPU, Memory, Network status on Ubuntu’s top menu bar, just install below package thru Ubuntu Software Center. "System Load Indicator" That’s it.

We cannot save router config files and getting below error. Dynamips error : 206-unable to extract config of VM configuration directory is not defined in…

1. Install gnome-panel Chris@Ubuntu64:~$ sudo apt-get install –no-install-recommends gnome-panel     2. create desktop icon Chris@Ubuntu64:~$ gnome-desktop-item-edit ~/Desktop/ – – create-new     3. Input…

Simple steps to install VMware-tools V5 on Ubuntu 12.04 LTS.   1. From vSphere console, click “Install/Upgrade VMware Tools”. It will mount VMware tools install…

Steps to setup iSCSI on ESXi5.0 * Preconfigured iSCSI Target drive at QNAP Turbo box, 500GB. 1. Access ESXi thru viSphere Client and go to…

1. Create new file with editors, vi, pico, nano and so on. Linux_Srv> pico script_batch   2. Edit the file #! /bin/sh or #! /bin/bash…