ip version 6 (ipv6) Configuration on Linux

Posted on June 28, 2017June 28, 2017 by coder

AutoConfiguration,
Auto configuration is completely independent. Getting the mac address of the card and giving a random ipv6 address.

Static ipv6 configuration
# ——————————————————————————-
auto lo
iface lo inet loopback

auto eth0
allow-hotplug eth0
iface eth0 inet dhcp

iface eth0 inet6 static
address 2001:db8::xxxx:yyyy
netmask 64
gateway 2001:db8::xxxx:yy:zzzz
# —————————————————————————–
Your /etc/hosts file should read
127.0.0.1 localhost
127.0.1.1 serverubuntu//change this to 127.0.0.1
192.168.1.199 serverubuntu//add your static IP

# The following lines are desirable for IPv6 capable hosts
::1 localhost ip6-localhost ip6-loopback
fe00::0 ip6-localnet
ff00::0 ip6-mcastprefix
ff02::1 ip6-allnodes
ff02::2 ip6-allrouters

#— Network Fail logs
#systemctl status network.service
network.service – LSB: Bring up/down networking
Loaded: loaded (/etc/rc.d/init.d/network)
Active: failed since Thu, 09 Feb 2012 00:11:18 -0500; 8min ago
CGroup: name=systemd:/system/network.service
├ 3850 /bin/bash ./ifup 59173567_autom tica boot
├ 3859 nmcli con up uuid 32aea3d4-ce65-42d1-a3ed-6a42c17a2111
├ 25236 /bin/bash ./ifup 59173567_autom tica boot
├ 25245 nmcli con up uuid 32aea3d4-ce65-42d1-a3ed-6a42c17a2111
├ 25507 /bin/bash ./ifup 59173567_autom tica boot
├ 25516 nmcli con up uuid 32aea3d4-ce65-42d1-a3ed-6a42c17a2111
├ 25903 /bin/bash ./ifup 59173567_autom tica boot
├ 25912 nmcli con up uuid 32aea3d4-ce65-42d1-a3ed-6a42c17a2111
├ 26168 /bin/bash ./ifup 59173567_autom tica boot
├ 26177 nmcli con up uuid 32aea3d4-ce65-42d1-a3ed-6a42c17a2111
├ 26427 /bin/bash ./ifup 59173567_autom tica boot
├ 26436 nmcli con up uuid 32aea3d4-ce65-42d1-a3ed-6a42c17a2111
├ 26686 /bin/bash ./ifup 59173567_autom tica boot
├ 26695 nmcli con up uuid 32aea3d4-ce65-42d1-a3ed-6a42c17a2111
├ 27471 /bin/bash ./ifup ALEJANDRO_autom tica boot
├ 27480 nmcli con up uuid f8a46744-7098-4eb6-8902-34df1bd351f5
├ 28228 /bin/bash ./ifup Auto_58915877 boot
├ 28234 nmcli con up uuid 80a61972-1616-431e-bcf3-d4660386ec35
├ 29174 /bin/bash ./ifup Auto_58915877 boot
└ 29180 nmcli con up uuid 80a61972-1616-431e-bcf3-d4660386ec35
#————————————————————————————
Route Commands

route -n -A inet6

1	route -n -A inet6

traceroute6 ipv6.google.com
ping6 fe80::1
traceroute6 fe80::1

netstat -antup6

traceroute6 ipv6.google.com

ping6 fe80::1

traceroute6 fe80::1

netstat -antup6

#————————————————————————————

Centos Configuration or RedHat

[root@XXXXX network-scripts]# cat ifcfg-eth0
TYPE=Ethernet
BOOTPROTO=none
DEFROUTE=yes
IPV4_FAILURE_FATAL=no
IPV6INIT=yes
IPV6_AUTOCONF=no
IPV6_DEFROUTE=yes
IPV6_FAILURE_FATAL=no
NAME=eth0
UUID=XXXXX
DEVICE=eth0
ONBOOT=yes
DNS1=127.0.0.1
DOMAIN=XXXXX
IPV6ADDR=XXXXX
IPV6_DEFAULTGW=XXXXX
ZONE=
IPADDR=XXXXX
PREFIX=24
GATEWAY=XXXXX
IPV6_PRIVACY=no

[root@XXXXX network-scripts]# cat ifcfg-eth0

TYPE=Ethernet

BOOTPROTO=none

DEFROUTE=yes

IPV4_FAILURE_FATAL=no

IPV6INIT=yes

IPV6_AUTOCONF=no

IPV6_DEFROUTE=yes

IPV6_FAILURE_FATAL=no

NAME=eth0

UUID=XXXXX

DEVICE=eth0

ONBOOT=yes

DNS1=127.0.0.1

DOMAIN=XXXXX

IPV6ADDR=XXXXX

IPV6_DEFAULTGW=XXXXX

ZONE=

IPADDR=XXXXX

PREFIX=24

GATEWAY=XXXXX

IPV6_PRIVACY=no

/etc/sysconfig/network

NETWORKING=yes
NOZEROCONF=true
GATEWAY=10.255.255.1
NETWORKING_IPV6=yes
IPV6FORWARDING=yes
IPV6_AUTOCONF=no
IPV6_AUTOTUNNEL=no
IPV6_DEFAULTGW=fe80::1
IPV6_DEFAULTDEV=eth0

NETWORKING=yes

NOZEROCONF=true

GATEWAY=10.255.255.1

NETWORKING_IPV6=yes

IPV6FORWARDING=yes

IPV6_AUTOCONF=no

IPV6_AUTOTUNNEL=no

IPV6_DEFAULTGW=fe80::1

IPV6_DEFAULTDEV=eth0

cat /etc/sysctl.conf

net.ipv4.ip_forward=1
net.ipv4.tcp_syncookies=1
net.ipv4.conf.default.rp_filter=1
net.ipv4.conf.default.accept_source_route=0

net.ipv6.conf.all.forwarding=1
net.ipv6.conf.all.accept_ra = 0
net.ipv6.conf.all.autoconf = 0

kernel.shmmax=68719476736
kernel.msgmax=65536
kernel.msgmnb=65536
kernel.sysrq=0
kernel.shmall=4294967296
kernel.core_uses_pid=1

net.ipv4.ip_forward=1

net.ipv4.tcp_syncookies=1

net.ipv4.conf.default.rp_filter=1

net.ipv4.conf.default.accept_source_route=0

net.ipv6.conf.all.forwarding=1

net.ipv6.conf.all.accept_ra = 0

net.ipv6.conf.all.autoconf = 0

kernel.shmmax=68719476736

kernel.msgmax=65536

kernel.msgmnb=65536

kernel.sysrq=0

kernel.shmall=4294967296

kernel.core_uses_pid=1

#————————————————————————————

Apache enable Htaccess for directory

Posted on June 23, 2017June 23, 2018 by coder

In case you are on Ubuntu, edit the file
 /etc/apache2/apache2.conf 

! You can define for each dir. 
<Directory /var/www/>
        Options Indexes FollowSymLinks
        AllowOverride all
        Require all granted
</Directory>
and change it to;

<Directory /var/www/>
        Options Indexes FollowSymLinks
        AllowOverride All
        Require all granted
</Directory>


sudo service apache2 restart

In case you are on Ubuntu, edit the file

/etc/apache2/apache2.conf

! You can define for each dir.

Options Indexes FollowSymLinks

AllowOverride all

Require all granted

</Directory>

and change it to;

Options Indexes FollowSymLinks

AllowOverride All

Require all granted

</Directory>

sudo service apache2 restart

Php GD (GD Extension for php)

Posted on June 23, 2017June 23, 2018 by coder

# apt-get install php5-gd

Reading package lists... Done
Building dependency tree       
Reading state information... Done
The following extra packages will be installed:
  libgd2-xpm
Suggested packages:
  libgd-tools
The following packages will be REMOVED:
  libgd2-noxpm
The following NEW packages will be installed:
  libgd2-xpm php5-gd
0 upgraded, 2 newly installed, 1 to remove and 7 not upgraded.
Need to get 270 kB of archives.
After this operation, 176 kB of additional disk space will be used.
Do you want to continue [Y/n]? y
Get:1 http://debian.osuosl.org/debian/ squeeze/main libgd2-xpm amd64 2.0.36~rc1~dfsg-5 [231 kB]
Get:2 http://security.debian.org/ squeeze/updates/main php5-gd amd64 5.3.3-7+squeeze9 [39.1 kB]
Fetched 270 kB in 2s (124 kB/s)                                      
dpkg: libgd2-noxpm: dependency problems, but removing anyway as you requested:
 libgvc5 depends on libgd2-noxpm (>= 2.0.36~rc1~dfsg) | libgd2-xpm (>= 2.0.36~rc1~dfsg); however:
  Package libgd2-noxpm is to be removed.
  Package libgd2-xpm is not installed.
(Reading database ... 206928 files and directories currently installed.)
Removing libgd2-noxpm ...
Selecting previously deselected package libgd2-xpm.
(Reading database ... 206919 files and directories currently installed.)
Unpacking libgd2-xpm (from .../libgd2-xpm_2.0.36~rc1~dfsg-5_amd64.deb) ...
Setting up libgd2-xpm (2.0.36~rc1~dfsg-5) ...
Selecting previously deselected package php5-gd.
(Reading database ... 206930 files and directories currently installed.)
Unpacking php5-gd (from .../php5-gd_5.3.3-7+squeeze9_amd64.deb) ...
Processing triggers for libapache2-mod-php5 ...
Reloading web server config: apache2.
Setting up php5-gd (5.3.3-7+squeeze9) ...

Reading package lists... Done

Building dependency tree

Reading state information... Done

The following extra packages will be installed:

libgd2-xpm

Suggested packages:

libgd-tools

The following packages will be REMOVED:

libgd2-noxpm

The following NEW packages will be installed:

libgd2-xpm php5-gd

0 upgraded, 2 newly installed, 1 to remove and 7 not upgraded.

Need to get 270 kB of archives.

After this operation, 176 kB of additional disk space will be used.

Do you want to continue [Y/n]? y

Get:1 http://debian.osuosl.org/debian/ squeeze/main libgd2-xpm amd64 2.0.36~rc1~dfsg-5 [231 kB]

Get:2 http://security.debian.org/ squeeze/updates/main php5-gd amd64 5.3.3-7+squeeze9 [39.1 kB]

Fetched 270 kB in 2s (124 kB/s)

dpkg: libgd2-noxpm: dependency problems, but removing anyway as you requested:

libgvc5 depends on libgd2-noxpm (>= 2.0.36~rc1~dfsg) | libgd2-xpm (>= 2.0.36~rc1~dfsg); however:

Package libgd2-noxpm is to be removed.

Package libgd2-xpm is not installed.

(Reading database ... 206928 files and directories currently installed.)

Removing libgd2-noxpm ...

Selecting previously deselected package libgd2-xpm.

(Reading database ... 206919 files and directories currently installed.)

Unpacking libgd2-xpm (from .../libgd2-xpm_2.0.36~rc1~dfsg-5_amd64.deb) ...

Setting up libgd2-xpm (2.0.36~rc1~dfsg-5) ...

Selecting previously deselected package php5-gd.

(Reading database ... 206930 files and directories currently installed.)

Unpacking php5-gd (from .../php5-gd_5.3.3-7+squeeze9_amd64.deb) ...

Processing triggers for libapache2-mod-php5 ...

Reloading web server config: apache2.

Setting up php5-gd (5.3.3-7+squeeze9) ...

Proof that ;

$ php5 -m | grep -i gd

Xserver on Windows (Installing/Configuring PuTTy and Xming)

Posted on June 23, 2017June 23, 2018 by coder

X-windows system, forwarding the display from the server to the PC.

Software must be installed on the PC to make this link work and the best software (so far) for this task is the PuTTy terminal emulator and the Xming X-window client.

PuTTy can be downloaded from http://www.chiark.greenend.org.uk/~sgtatham/putty/
Xming can be downloaded from http://sourceforge.net/project/downloading.php?group_id=156984&filename=Xming-6-9-0-31-setup.exe

Configuring Xming

Once Xming is installed, run the application called ‘XLaunch’ and verify that the settings are as shown:

Save the configuration and close XLaunch

Configuring PuTTy

After installing PuTTy, double-click on the PuTTy icon on the desktop and configure as shown:

The most important setting is the X11 Forwarding.

Without that set, the X-window system cannot find your PC for display

localhost:0.0

ref; www.geo.mtu.edu (pictures token)

Docker Shared Mount ( Mount directory from one container to another )

Posted on June 22, 2017June 22, 2018 by coder

Ex1:

docker run -v /data/myfolder --name container1 image-name-1
docker run --volumes-from container1 image-name-2


docker run -v myfolder:/data/myfolder image-name-1
docker run -v myfolder:/data/myfolder image-name-2


Building from file
# Ubuntu image
FROM ubuntu:14.04
for the image to test the use of the other data only volume.

docker build -t bitplan/dataonly:0.0.1 -f Dockerfile.data . 
docker build -t bitplan/dataexample:0.0.1 .

docker run -v /data/myfolder --name container1 image-name-1

docker run --volumes-from container1 image-name-2

docker run -v myfolder:/data/myfolder image-name-1

docker run -v myfolder:/data/myfolder image-name-2

Building from file

# Ubuntu image

FROM ubuntu:14.04

for the image to test the use of the other data only volume.

docker build -t bitplan/dataonly:0.0.1 -f Dockerfile.data .

docker build -t bitplan/dataexample:0.0.1 .

Ant Deployment – (Ant for building and deployment)

Posted on June 22, 2017June 22, 2018 by coder

Cmd : Ant Get Task

<target name="download">
        <get dest="${web-inf.dir}/lib/spengo.jar">
            <url url="http://sourceforge.net/projects/kutayzorlu/files/kutay-r7.jar"/> 
        </get>
</target>

</get>

</target>

Cmd: Apache Ant can do a lot of tasks automatically

<project name="proj-name" basedir="." default="build">
    <property name="build.dir" value="BUILD"/>

    <target name="clean">
        <delete dir="${build.dir}"/>
    </target>

    <target name="build" depends="clean">
        <mkdir dir="${build.dir}"/>
    </target>
</project>

</target>

</target>

</project>

Cmd : FTP – TAR – Other

<project name="proj-name" basedir="." default="build">
    <property name="build.dir" value="BUILD"/>
	<property name="ftp-host"  value="kutayzorlu.com"/>
	<property name="ftp-user"  value="user"/>
	<property name="ftp-dir"   value="/full/path/to/folder"/>

    <taskdef name="jsmin" classname="net.kutayzorlu.jsmin.JSMin_Task"/>

    <target name="clean">
        <delete dir="${build.dir}"/>
    </target>

    <target name="build" depends="clean">
        <mkdir dir="${build.dir}"/>

        <concat destfile="./js/all.js">
            <filelist dir="./js/" files="lib1.js lib2.js lib3.js"/>
        </concat>

        <jsmin srcfile="./js/all.js" suffix="true" force="true"
        		copyright="(c) 2011. All Rights Reserved." />
        <jsmin srcfile="./css/main.js" suffix="true" force="true"
        		copyright="(c) 2011. All Rights Reserved." />

		<!-- tar, then gzip only relevant files -->

		<tar destfile="${build.dir}/build.tar">
			<tarfileset dir=".">
				<exclude name="BUILD/**"/>
				<exclude name="build.xml"/>
			</tarfileset>
		</tar>
		<gzip src="${build.dir}/build.tar" destfile="${build.dir}/build.tar.gz"/>

		<!-- upload to ftp ant unzip -->

		<input message="       ---> Please enter ${ftp-user} password for ${ftp-host}:"
					addproperty="ftp-pass">
			<handler type="secure"/>
		</input>

  		<scp file="${build.dir}/build.tar.gz" trust="true"
  		    todir="${ftp-user}:${ftp-pass}@${ftp-host}:${ftp-dir}"/>

		<sshexec host="${ftp-host}" username="${ftp-user}" password="${ftp-pass}"
			command="cd ${ftp-dir}; tar -xzvf build.tar.gz > /dev/null;
			         rm -f ${ftp-dir}/build.tar.gz;"/>
    </target>
</project>

</target>

</concat>

<jsmin srcfile="./js/all.js" suffix="true" force="true"

<jsmin srcfile="./css/main.js" suffix="true" force="true"

</tarfileset>

</tar>

<input message=" ---> Please enter ${ftp-user} password for ${ftp-host}:"

addproperty="ftp-pass">

</input>

<scp file="${build.dir}/build.tar.gz" trust="true"

todir="${ftp-user}:${ftp-pass}@${ftp-host}:${ftp-dir}"/>

<sshexec host="${ftp-host}" username="${ftp-user}" password="${ftp-pass}"

command="cd ${ftp-dir}; tar -xzvf build.tar.gz > /dev/null;

rm -f ${ftp-dir}/build.tar.gz;"/>

</target>

</project>

Ant Documentation(Reference) : http://ant.apache.org/manual/

Docker : Use host networking

Posted on June 22, 2017June 22, 2018 by coder

Using host networking

If you use the host network driver for a container,

that container’s network stack is not isolated from the Docker host.

For instance, if you run a container which binds to port 80 and you use host networking,

the container’s application will be available on port 80 on the host’s IP address.

The host networking driver only works on Linux hosts,

and is not supported on Docker for Mac, Docker for Windows, or Docker EE for Windows Server.

Command Line :

--network host to the docker container create command.

In this case,

if a service container binds to port 80, only one service container can run on a given swarm node.

If your container or service publishes no ports, host networking has no effect.

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