Problem: I am trying to create tap devices on the host machine using the command: sudo ip tuntap add mode tap br0p0 but I get the following error message: Object “tuntap” is unknown, try “ip help”. What should I do? I am working on Ubuntu 10.04 Incoming search terms:ubuntu tun tap (12)ip tuntap (10)ubuntu tun/tap [...]
Archive for the ‘Networking’ Category
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Reset VPN password on Cisco Router IOS / ASA
January 9th, 2012 
Frank BorosHow to reset a user account password using Cisco IOS, the router I used for this was a Cisco ASA5505 however I am sure this guide will be valid for most Cisco Routers / Switches / Firewalls running IOS. Note that these instructions are the same to reset a local or a VPN users password [...]
(Q/A) Linux IPTables blocking yum
December 11th, 2011 Frank BorosScenario / Question: I can not use yum and appears that iptables is blocking yum from establishing a connection with the internet. Solution / Answer: IPTables needs to be configured to allow incoming ESTABLISHED,RELATED connections and establish connection with yum servers by allowing outgoing connections on port 80. Incoming search terms:iptables blocking yum (9)yum iptables [...]
(Q/A) Linux LVM Extend on Software RAID Partition
December 11th, 2011 Frank BorosScenario / Question: How do I extend my LVM to include another RAID Array partition Solution / Answer: Create a new Physical Volume Extend the Volume Group Extend the Logical Volume Resize the File System to the new size Incoming search terms:lvm extend command (2)centos 6 2 how linux lvm extended (1)how to create a [...]
(P/S) Replacing failed Raid Drive
December 10th, 2011 Frank BorosProblem: A drive has failed in my raid 1 configuration, and I need to replace it with a new drive. Solution: Use mdadm to fail the drives partition(s) and remove it from the RAID array. Physically add the new drive to the system and remove the old drive. Create the same partitioning tables on the [...]
How to Configure Passwords to Secure your Cisco Router on Different Mode
September 12th, 2010 Frank BorosConfigure passwords to secure on Cisco router is pretty simple. In this article, I will focus on a great way to ensure basic security on a Cisco router: router passwords. Passwords are absolutely the best defense against would-be hackers. Leaving no passwords on a Cisco router can cause major problems. Keep in mind that using [...]
CCNA Complete Guide 2nd Edition by Yap Chin Hoong
September 8th, 2010 Frank BorosCCNA Complete Guide 2nd Edition covers the syllabus of the latest CCNA 640-802 Exam. Written with the mindset to become the best CCNA self-study guide ever, it contains all the theory and practical knowledge that an accomplished CCNA must obtain to ace both the CCNA exam and the challenging real-life working environments. If you have [...]
Run PHP File Without Create Any File Via Wget to Cronjob of Linux
March 26th, 2010 linusMy web applications I have to run couples of cronjob of my applications. Some time it over 50+. Some are run long time. If I run those cornjob via php command or traditional cronjob command, those make my server so busy and I/O going so high. It make my applications and server slow. How can [...]
