GNS3 – Assign an IP Address to Linux Microcore QEMU Guest
KB ID 0000932 Problem The whole point of having these guest machines is for testing communications, putting an IP address on them so you can ping things, is a pretty basic step. Solution 1. Console in, and execute the following commands, obviously change the IP addresses to the ones you require. sudo su ifconfig eth0 10.10.10.10 netmask 255.0.0.0 up route add ip default gw 10.10.10.1 route add default gw 10.10.10.1 Related Articles,...
Chrome (Linux) Installing x64 bit Flash Plugin
KB ID 0000385 Problem Did you know you can install Java and Flash with the Ubuntu Restricted extras pack? click here At the time of writing, Adobe have pulled the previous beta of x64 bit flash for Chrome, which is annoying because I am running it on my x64 Ubuntu 10.10 box. Solution To be honest more of a workaround than a solution, but you can get chrome to install the x32 bit version and it will run it as a separate...
Google Chrome – “This webpage has a redirect loop” Error
KB ID 0000423 Problem I’m running Chrome 11.0.696.25 beta (At time of writing) and I’ve seen this error a few times, usually with Facebook, and it’s been more of an annoyance than anything else. I’ve seen it on my Windows 7 machine, and on my Ubuntu 10.10 Netbook. Solution 1. Launch Chrome and click the Spanner Icon > Options > Under the hood > Content Settings. 2. Select “All cookies and site...
Linux (CentOS) Securing and Hardening SSH / Shell Access
KB ID 0000881 Problem The following is by no means an extensive list of everything that can be done. It’s just a run though of what I would consider ‘good practice’. Solution Create a user for SSH and Remove Shell access for the ‘root’ user. 1. Connect to the server via SSH or open a terminal session and su to root. Create a new user then set and confirm the new users password. useradd {username} passwd...
CentOS (RHEL) Installing VMware Tools in ESX
KB ID 0000888 Problem This was a much more complicated job than I expected it to be! The following procedure is done on CentOS 6, so will be the same for Red Hat Enterprise 6. Solution 1. Connect to the server via SSH, (or open a terminal session). Logon as, (or su to) root. 2. Execute the following commands; yum install make gcc kernel-devel kernel-headers glibc-headers perl mkdir /mnt/cdrom 3. Then present the VMware tools CD to the...