IPv4 Octet table

Bits used	1	2	3	4	5	6	7	8
Mask Values	128	192	224	240	248	252	254	255
Weights	128	64	32	16	8	4	2	1

Official DNS of ISP in Singapore

ISP Name: MyRepublic
DNS server 1: 103.11.48.126
DNS server 2: 103.11.48.190

ISP Name: M1 fiber
DNS server 1: 202.65.242.50
DNS server 2: 202.65.242.46

ISP Name: Singtel
DNS server 1: 165.21.83.88
DNS server 2: 165.21.100.88

ISP Name: StarHub
DNS server 1: 202.156.1.16
DNS server 2: 218.186.2.16

ISP Name: ViewQuest
DNS server 1: 202.73.37.3
DNS server 2: 202.73.37.11 

Upgraded from 100 to 200mbps

Netlogon Log File Error Codes

Netlogon Log File Error Codes

Each event in the Netlogon log contains a corresponding error code. The following table describes these error codes.
Table 3 Netlogon Log Error Codes

 

Log Code	Description
0x0	Successful login
0xC0000064	The specified user does not exist
0xC000006A	The value provided as the current password is not correct
0xC000006C	Password policy not met
0xC000006D	The attempted logon is invalid due to a bad user name
0xC000006E	User account restriction has prevented successful login
0xC000006F	The user account has time restrictions and may not be logged onto at this time
0xC0000070	The user is restricted and may not log on from the source workstation
0xC0000071	The user account's password has expired
0xC0000072	The user account is currently disabled
0xC000009A	Insufficient system resources
0xC0000193	The user's account has expired
0xC0000224	User must change his password before he logs on the first time
0xC0000234	The user account has been automatically locked

Samba File Server

sudo apt-get install samba

        /etc/samba/smb.conf 

sudo cp -p smb.conf smb.conf.ori 

   workgroup = EXAMPLE
   ...
   security = user   # I don't use this

[share]
    comment = Ubuntu File Server Share
    path = /srv/samba
    browsable = yes
    guest ok = yes
    read only = no
    create mask = 0755

[transmission]
    comment = Ubuntu File Server Share
    path = /srv/transmission
    browsable = yes
    guest ok = yes
    read only = no
    create mask = 0775 

sudo mkdir -p /srv/samba

sudo chown nobody.nogroup /srv/samba
 

sudo restart smbd
sudo restart nmbd  

 

Transmission

 http://1000umbrellas.com/2010/10/04/updated-transmission-installationconfiguration-on-ubuntu-server

sudo apt-get install transmission-daemon

sudo mkdir -p /srv/transmission/downloading
sudo mkdir -p /srv/transmission/seeding
sudo mkdir -p /srv/transmission/watch
sudo mkdir -p /srv/transmission/complete
sudo usermod -a -G debian-transmission chris
sudo chown -R debian-transmission:debian-transmission /srv/transmission

sudo chmod 775 /srv/transmission/*
   
cd /etc/transmission-daemon
sudo cp -p settings.json settings.json.ori
sudo vi settings.json

{
    "alt-speed-down": 500,
    "alt-speed-enabled": false,
    "alt-speed-time-begin": 480,
    "alt-speed-time-day": 127,
    "alt-speed-time-enabled": false,
    "alt-speed-time-end": 0,
    "alt-speed-up": 10,
    "bind-address-ipv4": "0.0.0.0",
    "bind-address-ipv6": "::",
    "blocklist-enabled": false,
    "blocklist-url": "http://www.example.com/blocklist",
    "cache-size-mb": 4,
    "dht-enabled": true,
    "download-dir": "/srv/transmission/seeding",
    "download-limit": 100,
    "download-limit-enabled": 0,
    "encryption": 2,
    "idle-seeding-limit": 30,
    "idle-seeding-limit-enabled": false,
    "incomplete-dir": "/srv/transmission/downloading",
    "incomplete-dir-enabled": true,
    "lazy-bitfield-enabled": true,
    "lpd-enabled": false,
    "max-peers-global": 200,
    "message-level": 2,
    "open-file-limit": 32,
    "peer-congestion-algorithm": "",
    "peer-limit-global": 240,
    "peer-limit-per-torrent": 60,
    "peer-port": 44435,
    "peer-port-random-high": 20599,
    "peer-port-random-low": 20500,
    "peer-port-random-on-start": false,
    "peer-socket-tos": "default",
    "pex-enabled": true,
    "port-forwarding-enabled": false,
    "preallocation": 1,
    "prefetch-enabled": 1,
    "proxy": "",
    "proxy-auth-enabled": false,
    "proxy-auth-password": "",
    "proxy-auth-username": "",
    "proxy-enabled": false,
    "proxy-port": 80,
    "proxy-type": 0,
    "ratio-limit": 0.2500,
    "ratio-limit-enabled": true,
    "rename-partial-files": true,
    "rpc-authentication-required": false,
    "rpc-bind-address": "0.0.0.0",
    "rpc-enabled": true,
    "rpc-password": "{344d5fb95fa67ba00ccb188d79809bee0957b674fAWT0o9G",
    "rpc-port": 9091,
    "rpc-url": "/transmission/",
    "rpc-username": "transmission",
    "rpc-whitelist": "127.0.0.1,192.168.88.*",
    "rpc-whitelist-enabled": true,
    "script-torrent-done-enabled": false,
    "script-torrent-done-filename": "",
    "speed-limit-down": 5120,
    "speed-limit-down-enabled": true,
    "speed-limit-up": 512,
    "speed-limit-up-enabled": true,
    "start-added-torrents": true,
    "trash-original-torrent-files": false,
    "umask": 2,
    "upload-limit": 100,
    "upload-limit-enabled": 0,
    "upload-slots-per-torrent": 4,
    "utp-enabled": true,
    "watch-dir": "/srv/transmission/watch",
    "watch-dir-enabled": true
}

$ sudo service transmission-daemon reload 

   $ sudo service transmission-daemon restart

transmission-daemon -p 9091 -f -T     

update to new version

sudo aptitude install software-properties-common
sudo add-apt-repository ppa:transmissionbt/ppa
 

Upgrade from RB750G + TP-LINK TL-WA901ND to RB2011UAS-2HnD-IN

Brought on the 7th Dec @1800hrs.
Spend next 6hrs configuring it.
Finally I get the whole idea what was bridging a network.