Allow Incoming SSH only from a Specific Network
- The following rules allow incoming ssh connections only from 192.168.100.0/24 network
root@home# iptables -A INPUT -i eth0 -p tcp -s 192.168.100.0/24 --dport 22 -m state --state NEW,ESTABLISHED -j ACCEPT
root@home# iptables -A OUTPUT -o eth0 -p tcp --sport 22 -m state --state ESTABLISHED -j ACCEPT
USB disk (min size 4GB)
PC / laptop with solaris 10 x86 installed
Solaris installer iso image (tested with Solaris 10 x86 update 8/9/10/11)
Installation time will be much faster compare to install from DVDROM Read more…
- Installed RHEL6.5
- RHEL6.5 x86_64 DVD installer
- Services : dhcp, NFS, tftp
- Familiar with vi text editor (or nano, etc)
- Installation can be done concurrently without DVD
- Time and Money saving
This notes written down when facing requirement to make barco wall-display working with redundant network link. Eventhough setup barco controller is not part of my responsibility, I still want to help our customer to fulfill their needs – for the sake of knowledge sharing.
This configuration tested using hardware and software specification
- Linux distribution RH7.2 (Enigma) i386
- network interfaces (identified as eth0 & eth1)
This is my own notes, work faster & reduce time for googling 😀 Read more…
This is my own notes, work faster & reduce time for googling 😀
Description : Digi PortServer TS16 always hang after operating for hours, and need to hot-restarted.
Analysis of Problem : We assume device hang because of buffer over flow.
Solution : Create script with specific function (login to the device, clear all buffer, logout) and execute automagicaly with cron scheduler.
Figure 1. Digi PortServer TS16 connect to Solaris box via UTP Cable