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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

How to restore chmod exicutable permission

If a careless sysadmin executes this command on your linux server chmod 444 /bin/chmod- what do you do to fix this?

Solution !

This command will fix it if you are root user, Most unix and linux based OS's have perl installed and available by default.

#perl -e 'chmod 0755, "/bin/chmod";'

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…

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