I’m the happay owner of a Huawei E1750 modem and it is real easy to get it running in Ubuntu. This guide will probably work with many other 3G USB modems.
Just type from the command line:
sudo apt-get install usb-modeswitch
Plug in the modem
Go to the Network manager and enter your Mobile Broadband credentials and now it works!
Background
I was with my geekfriends at a ski resort and I managed to get an Internet connection using a cellphone. Of course I wanted to share it with my friends. As geeks we brought a switch and a couple of ethernetcables.
Solution
Using this script on a Ubuntu 9.10 I managed to share my connection:
sudo ifconfig eth0 10.8.16.1
sudo sysctl -w net.ipv4.ip_forward=1
sudo [...]
My laptop and cellular phone has both Bluetooth and it has annoyed me for a while that I have not managed to get a working Internet connection using Bluetooth. I have only managed to get it working with a USB cable between my phone and laptop.
After some Google search and reading of man pages I finally [...]
Background
I use MythTV quite frequently and noticed that it is instable when using sasc-ng as a decoder to decrypt encrypted DVB-T channels. So approximatly every third day the MythTVbackend server stops and need to be started again. I have wriiten an earlier article about howto monitor MythTV with Nagios or op5 Monitor so I get [...]
My firewall get alot of failed ssh logins.
This is a typical log message in /var/log/authlog
Feb 9 20:15:49 pedro sshd[30934]: Failed password for root from 67.205.85.119 port 35603 ssh2
Feb 9 20:15:49 pedro sshd[2656]: Received disconnect from 67.205.85.119: 11: Bye Bye
Feb 9 20:15:51 pedro sshd[15299]: Failed password for root from 67.205.85.119 port 35753 ssh2
Feb 9 20:15:51 pedro [...]
In some cases the "Normal" way of running checks does not work, passive checks might do the job. I have a script the runs every night that backup my MySQL database. If this script fails I would like op5 Monitor or Nagios to send a notification. An active check will not work in this case [...]
Now when my blog is growing a need for backup is growing. After a short google search I found exactly what I want, automysqlbackup.
It is a shell script that has very modest requirements list:
mysqldump, included in mysql client
gzip or bzip2 if you want it compressed.
mail if you want the status of the script to be [...]
When I updated my CentOS system and could not mount XFS file system and my op5 Monitor did not react. I even run check_disk on these mount points but op5 Monitor did not tell me that anything was wrong. So when I managed to get the system to boot and my monitoring system tell me [...]
