Category Archives: Linux

linux

Installing TShock Terraria Server on Debian Wheezy

Posted on January 6, 2013.

The following is how I installed TShock Terraria Server on a clean Debian Wheezy machine. The same method has been tested working on Ubuntu 12.04 LTS (Precise).

One important difference to other howtos is it does not install mono-complete and the plethora of dependencies that requires (including x11-common). This only installs the required libraries to run, nothing more.

Run these commands individually, this is not to be copy pasted into your shell in full.

Update: A few users are complaining of missing packages, however I have re-run the instructions in a fresh Wheezy guest and found no issues (see transcript of installation here).

Update2: I have successfully tested the following instructions using Ubuntu 12.04 LTS Precise (transcript here)

Update3: Tested working with TShock 4.2

Make sure you are using Debian 7 Wheezy or Ubuntu 12.04 LTS Precise.

# Need root
sudo su -

# Install dependancies
apt-get update && apt-get install unzip screen \
   mono-runtime libmono-system-core4.0-cil libmono-sqlite4.0-cil libmysql-cil-dev \
   libmono-system-runtime-serialization4.0-cil libmono-web4.0-cil libmono-system-xml-linq4.0-cil

# Add terraria group and user
sudo groupadd --gid 70001 terraria
sudo useradd --gid 70001 -d /home/terraria -m --uid 70001 -s /bin/bash terraria

# Change user to terraria
su terraria
# Make and change to bin folder
mkdir ~/bin
cd ~/bin

# Download and extract TShock Terraria Server
wget http://cloud.github.com/downloads/TShock/TShock/TShock-4.0.zip
unzip TShock-4.0.zip

# Fix case-insensitive folder
ln -s serverplugins ServerPlugins

# Run Terraria for first time, create world
# (note down auth code for admin access, and exit-nosave)
mono TerrariaServer.exe -ip 0.0.0.0 -port 7777 -maxplayers 8
# Change server password
TERRARIAPASSWORD="password";
sed -i "s/("ServerPassword": ")[^"]*(",)$/1${TERRARIAPASSWORD}2/" tshock/config.json

# Terraria is now installed, keep reading to setup startup init script

# Go back to root
exit

# Download init script to /etc/init.d/
wget -O /etc/init.d/terraria-server http://www.nooblet.org/blog/download/terraria-init.sh
# Fix permissions
chmod +x /etc/init.d/terraria-server
# Insert to startup
insserv -v /etc/init.d/terraria-server

# At this point you may want to edit the init script if you are using a
# different world-file or server-port
# Also by default, the script does not save on exit, see variable: EXIT_COMMAND

# Start the server
invoke-rc.d terraria-server start

# Check its running in screen (press Ctrl-a then d to exit)
invoke-rc.d terraria-server connect

# Need root

sudo su -

# Install dependancies

apt-get update && apt-get install unzip screen \

mono-runtime libmono-system-core4.0-cil libmono-sqlite4.0-cil libmysql-cil-dev \

libmono-system-runtime-serialization4.0-cil libmono-web4.0-cil libmono-system-xml-linq4.0-cil

# Add terraria group and user

sudo groupadd --gid 70001 terraria

sudo useradd --gid 70001 -d /home/terraria -m --uid 70001 -s /bin/bash terraria

# Change user to terraria

su terraria

# Make and change to bin folder

mkdir ~/bin

cd ~/bin

# Download and extract TShock Terraria Server

wget http://cloud.github.com/downloads/TShock/TShock/TShock-4.0.zip

unzip TShock-4.0.zip

# Fix case-insensitive folder

ln -s serverplugins ServerPlugins

# Run Terraria for first time, create world

# (note down auth code for admin access, and exit-nosave)

mono TerrariaServer.exe -ip 0.0.0.0 -port 7777 -maxplayers 8

# Change server password

TERRARIAPASSWORD="password";

sed -i "s/("ServerPassword": ")[^"]*(",)$/1${TERRARIAPASSWORD}2/" tshock/config.json

# Terraria is now installed, keep reading to setup startup init script

# Go back to root

exit

# Download init script to /etc/init.d/

wget -O /etc/init.d/terraria-server http://www.nooblet.org/blog/download/terraria-init.sh

# Fix permissions

chmod +x /etc/init.d/terraria-server

# Insert to startup

insserv -v /etc/init.d/terraria-server

# At this point you may want to edit the init script if you are using a

# different world-file or server-port

# Also by default, the script does not save on exit, see variable: EXIT_COMMAND

# Start the server

invoke-rc.d terraria-server start

# Check its running in screen (press Ctrl-a then d to exit)

invoke-rc.d terraria-server connect

Debian init-script

The following init-script can:

Connect to the screen console with ./terraria-server connect
Exits the server cleanly by issuing the “exit” or “exit-nosave” command to the server console
Fits perfectly if installation was made by the above howto

Download
terraria-init.sh (2.6 KiB, 5,281 hits)

32 Comments

Create md5 checksum files for each sub-directory

Posted on October 7, 2012.

This bash script creates checksum files for each subdirectory and the files within.

If the script is run, and there are no changes, then there is no output. This makes it safe to put into a cronjob without fear of getting spammed.

Output can be forced with a “-d” flag.

Requires “md5sum” package to compute checksums.

Syntax:
md5-all-dir.sh [-d] <directory>

Download
md5-all-dir.sh (4.1 KiB, 2,920 hits)

Continue reading →

Disable IPv6 on CentOS6 OpenVZ

Posted on September 5, 2012.

In order to disable ipv6, you will have to disable checkpoint/restore (suspend/resume/migrate functionality) as the modules vzrst and vzcpt have ipv6 as a dependancy.

Edit /etc/init.d/vz, find and comment out this line:

CPT_MODULES="vzcpt vzrst"
Disable ipv6 module by creating /etc/modprobe.d/ipv6-off.conf

alias net-pf-10 off alias ipv6 off
Reboot.

Dovecot Sieve — Deliver mail based on Spamassassin score

Posted on August 28, 2012.

I don’t reject any spam e-mail as I want my system to learn from the contents. It gets delivered to a folder and I check it now and then.

However the spam I receieve is beyond rediculous, approaching 400 messages a day. It isn’t feasable for me to check the spam folder for false positives.

The following sieve rule allows me to split the spam into 2 folders based on there Spamassassin score. >=9 “Spam” .. <9 "SpamLikely"

require ["variables", "relational","comparator-i;ascii-numeric", "regex","imap4flags","fileinto"];
 
# Extract integer from X-Spam-Score
set "iSpamLevel" "0";
if header :regex "X-Spam-Score" "([0-9]+)(\.[0-9]+)?" {
        set "iSpamLevel" "${1}";
}
 
# rule:[SpamLikely]
if allof (header :is "X-Spam-Flag" "Yes",
        string :value "lt" :comparator "i;ascii-numeric" "${iSpamLevel}" "9")
{
        fileinto "SpamLikely";
}
# rule:[Spam]
elsif allof (header :is "X-Spam-Flag" "Yes",
        string :value "ge" :comparator "i;ascii-numeric" "${iSpamLevel}" "9")
{
        fileinto "Spam";
}

require ["variables", "relational","comparator-i;ascii-numeric", "regex","imap4flags","fileinto"];

# Extract integer from X-Spam-Score

set "iSpamLevel" "0";

if header :regex "X-Spam-Score" "([0-9]+)(\.[0-9]+)?" {

set "iSpamLevel" "${1}";

}

# rule:[SpamLikely]

if allof (header :is "X-Spam-Flag" "Yes",

string :value "lt" :comparator "i;ascii-numeric" "${iSpamLevel}" "9")

{

fileinto "SpamLikely";

}

# rule:[Spam]

elsif allof (header :is "X-Spam-Flag" "Yes",

string :value "ge" :comparator "i;ascii-numeric" "${iSpamLevel}" "9")

{

fileinto "Spam";

}

Zabbix Unsupported Items Status

Posted on January 5, 2012.

Following on from the zabbix status script, I have put togethor another script to list any unsupported items on agents.

For an item to go unsupported, it usually means something is wrong with the agent, so I add this script to /etc/cron.hourly.

The SQL query to get the list of unsupported items is,

SELECT
        hosts.host AS hostname,
        items.description AS item,
        items.key_ AS "key"
FROM
        items
RIGHT JOIN
        hosts ON items.hostid=hosts.hostid
WHERE
        items.status = 3;

SELECT

hosts.host AS hostname,

items.description AS item,

items.key_ AS "key"

FROM

items

RIGHT JOIN

hosts ON items.hostid=hosts.hostid

WHERE

items.status = 3;

Download
zabbix-unsupported-status.sh (1.3 KiB, 3,298 hits)

1 Comment

#!/usr/bin/nooblet.org

/* not just your average nub */