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Showing posts from March, 2012

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Increase the Swap space in Linux

on March 29, 2012

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How to install Php,Mysql and Lighttpd on Ubuntu

on March 29, 2012

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Install ntop on RedHat Or CentOs 5

on March 19, 2012

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AWS Conference Day

Vishal Vyas: Linux, Cloud, DevOps
Ahmedabad-380008 www.vishalvyas.com
Contact:-+91 9978839723

Popular Posts

Setup password less SSH on linux

In this article i will explain you to how to connect remote server machine using password less login.
SSH client : 10.80.253.11
SSH remote Host : 10.80.253.12

Generate a pair key on ssh server :
$ ssh-keygen -t rsa
Generating public/private rsa key pair.
Enter file in which to save the key (/root/.ssh/id_rsa):
Enter passphrase (empty for no passphrase):
Enter same passphrase again:
Your identification has been saved in /root/.ssh/id_rsa.
Your public key has been saved in /root/.ssh/id_rsa.pub.
The key fingerprint is:
SHA256:1Je7TcRc58MxO5C6qBJ6qy44L+nxT8xHSXfBHUpNy48 root@slave1
The key's randomart image is:
+---[RSA 2048]----+
| .o++ooo|
| ...+B+o=|
| ....o+o+=.|
| ..o .o oo o|
| oS . oE.. |
| o.. . . + |
|.o .+... . . |
|=.o..o.. |
|.=+++oo |
+----[SHA256]-----+

Copy key to client machine :
$ssh-copy-id -i id_rsa.pub root@10.80.253.12

it will ask you the password.

Now you can login to client machine without password.
root@master:~# ssh 10.80…

Install Apache Using Ansible Playbooks

Ansible is a automation tool which is widely used, you can install and install, configure and manage number of system and services remotely. you can install software and manage services and tasks without needing manually log in to each servers. you have to install ansible in one machine and use ssh to communicate host each other.

Ansible uses Playbooks which is written in YAML format. it's uses module base format. with playbook can run multiple tasks at time and provide more advance functionality, YAML file always start with "---" syntax.

In this article we will see how to install and configure apahce2 using ansible YAML script.

Master server : 10.80.253.11[Ansible server, ]
Slave 1 : 10.80.253.12[need to install apache2 in slave 1]
Slave 2 : 10.80.253.13[need to install apache2 in slave 2]

We need to configure slave server info in our ansible configuration file, click here to know how to add client machine to ansible.

Let's update our apache2.yml file a…

Block certain file extensions on samba linux

$ vim /etc/samba/smb.conf

[Vishal]
comment = vishalvyas
Path = /home/vishal
public = yes
writable = yes
browseable = yes
read only = no
valid user = vishal
create mask = 0775
Veto files = /*.exe/*.com/*.dll/*.bat/*.vbs/*.tmp/*.mp3/*.avi/*.mp4/*.wmv/*.wma/

Thanks,
Vishal Vyas

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