In case you need these files:
VMware_bootbank_net-r8168_8.013.00-3vmw.510.0.0.799733.vib
VMware_bootbank_net-r8169_6.011.00-2vmw.510.0.0.799733.vib
… to get your Realtek LAN working with ESXi 5.5, get them here:
Tried to install OpenElec and Ubuntu on a mini-ITX Sapphire White system and every time I tried to run the installer, I got a blank screen.
So I booted OpenElec (and Ubuntu) without the ‘quiet’ option from the kernel parameters and I was able to see this error:
[Firmware Bug] ACPI No _BQC method, cannot determine initial brightness
My system is NOT a laptop so I don’t care about brightness. Searching for a solution on the internet got me nowhere; it involved recompiling kernels but that’s not very useful when I still need to install the Linux distribution.
But I found a solution! Forcing this entry into the kernel parameters while booting the installer:
acpi_backlight=vendor
… it solved my problems! So, OpenElec and Ubuntu are now installing without problems.
BUT, don’t forget to modify your installed distro to reflect the same parameter! If you use OpenElec, you’ll need to manually add the parameter when booting it, SSH into your box and remount the /flash mount as RW (mount -o remount,rw /flash), so you can edit the syslinux.cfg file and add the parameter.
Got this little gem: http://shop.ciseco.co.uk/pi-lite-lots-of-leds-for-the-raspberry-pi-0805-red/
And this python script to make it talk:
#!/usr/bin/env python
# Pi-Lite init part...
import serial
from time import sleep
baud = 9600
port = '/dev/ttyAMA0'
ser = serial.Serial(port, baud)
ser.timeout = 0
ser.flushInput()
# And from here, the actual programming !
import sys
ser.write(sys.argv[1])
Use it like this:
python write.py "Hello, my name is Dick"
Argh! I wasn’t able to paste my public SSH key into the switch’s GUI (keeps on giving me a very annoying error:
“Invalid key string.
When a Key is entered, it should contain the “BEGIN” and “END” markers.”
So, let’s try the CLI. I presume you already know how to handle a Cisco from the terminal.
– Enable ssh-server on the switch
switchxxxxxx(config)# ip ssh server
– Enable public key authentication
switchxxxxxx(config)# ip ssh pubkey-auth auto-login
– Add a user:
switchxxxxxx(config)# username martijn password SecretPassword privilege 15
– Then, add user’s public key
switchxxxxxx(config)# crypto key pubkey-chain ssh
switchxxxxxx(config-pubkey-chain)# user-key martijn rsa
switchxxxxxx(config-pubkey-key)# key-string
(paste your id_rsa.pub here)
– Check if the fingerprint is correct:
switchxxxxxx# show crypto key pubkey-chain ssh
Username Fingerprint
————– —————————————————————
martijn 35:ea:60:06:fc:d7:f7:d3:3b:d1:0f:10:63:f7:0b:02
Now try to ssh to your switch; no password should be asked.
Bought a very cheap DealExtreme WiFi USB adapter with this info:
|
Driver Information for Realtek RTL8188CU Wireless LAN 802.11n USB 2.0 Network Adapter / ECS H61H2-M3
|
||||||
|
|
Device Type
|
net |
|
Driver Version
|
1015.6.210.2012 |
|
OS Support
|
2K,XP,2K3,VISTA,WIN7,WIN8/32bits |
|
Driver Date
|
2012-02-10 |
|
Manufacturer
|
Realtek Semiconductor Corp. |
And finally found a working Windows driver:
http://www1.medion.de/downloads/index.pl?op=detail&id=11727&type=treiber&lang=us
Just wanted to share 🙂
As a default, Sophos / Astaro UTM’s SMTP Proxy listens on all external IP addresses. Quite annoying if you have an internal mail server that you want to let your external users use for sending (authenticated) emails, since UTM will intercept all SMTP traffic.
Here’s how I solved that (only works if you have at least 2 public IP addresses).
– NAT one external public IP address to your internal mail server (so forward at least ports 25, 465, 587; use the IP address that you use for (example) mail.yourdomain.com. In this example I use 23.37.149.232 (WAN – FW2)
– enable SMTP proxy on your UTM (your UTM will now listen on all your external public IP addresses)
– configure SMTP routing to forward MX emails to your internal server
– SSH to your UTM and become root
– with vi, edit this file:Â /var/storage/chroot-smtp/etc/exim.conf
– edit this line, remove the # and enter your public IP address to reflect your MX record (like mx.yourdomain.com):
local_interfaces = 23.37.149.233:81.37.153.126:59.94.132.164
(I have 3 SDSL lines on my Sophos UTM box, separate each entry with semicolons)
– restart your EXIM service:
/var/mdw/scripts/smtp restart
Check you SMTP Proxy log file, something like this should appear:
listening for SMTP on [23.37.149.233]:25 [23.37.149.233]:587 [81.37.153.126]:25 [81.37.153.126]:587 [59.94.132.164]:25 [59.94.132.164:587]
Done. Now, Sophos UTM will intercept your incoming MX traffic (and if setup right, forward non-junk emails to your internal mail server) while the other IP address is useable for your users as an authenticated relay-server. 23.37.149.232 is used directly by the mail server, 23.37.149.233, 81.37.153.126 and 59.94.132.164 by Sophos as incoming MX server.
Per cambiare il Reverse DNS (rDNS) di Telecom Italia (Interbusiness) da loro nome di default tipo
host113-249-static.47-98-b.business.telecomitalia.it
in il nome del vostro nome dominio / mail server, tipo mail.nomedeldominio.it, basta fare una chiamata a
800-018914, opzione 5
e chiedere il cambio. Tutto lì!
Dopo il cambio, potreste controllare qua se tutto funziona:
http://mxtoolbox.com/SuperTool.aspx?action=mx%3anomedeldominio.it
…cliccando sul SMTP Test
Just installed a basic Debian 6 server and was amazed about how much time it took to resolve any domain name; at least 4 seconds. But I found the solution: if you don’t use IPv6 then disable it.
Check the IPv6 alias:
grep ipv6 /etc/modprobe.d/aliases
This should give you this entry:
# alias net-pf-10 ipv6
Edit that file and change the line to:
alias net-pf-10 off ipv6
Then reboot. As always, YMMV.
I need to grow a disk on my Ubuntu server but only have SSH access to the machine and need GParted to do that.
Here’s how I’ve done it:
sudo apt-get install vnc4server openbox gpartedvnc4server
vnc4server -kill :1
sed -i -e 's/x-window-manager/openbox-session/g' ~/.vnc/xstartup
vnc4serverOpen port 5901 incoming, and access with a VNC client. Right-click to start the terminal within openbox, and you’ll be able to run any GTK+ apps, including gparted.
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