Installing Dansguardian in CentOS 7
DansGuardian is a wonderful application that is easy to use and works well with proxy servers such as squid to filter web contents. This is a free OpenSource tool, easy to setup. Installation: ====== ==…
Linux
Installing Distributed Replicated Block Device – DRBD in CentOS 7
Distributed Replicated Block Device commonly called as DRBD is a distributed replicated storage system. This is used in Linux platform. It is a distributed replication (RAID 1) via network. Listed below are the steps involved…
Configuring CentOS 7 linux host to function as a router
Linux has the provision to work as a router connecting two networks. In this example we have two NICs in the host. ]# ifconfig …… ens32: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500 …… inet 20.10.0.16 netmask 255.255.240.0 broadcast…
Adding a route in Linux
If you can to access a network outside your local host’s network, and the same is not know to your default gateway, you will require to add static routes in your systems. Same will be…
Change Timezone in Linux
Setting the correct timezone is very important in any system to avoid confusions. Especially in systems used by multiple users, one may think the time is wrong without noticing the timezone. To verify the…
CentOS 7 authentication using Active Directory
Though Linux hosts has its own local authentication mechanism, as times requirements will arise where Windows Active Directory authentication will be required. For example, if a Linux host needs access to the NTFS folders shared by a…
Sending email with multiple attachment using PhP
The posted below PhP code (function) can be used to send an email with multiple attachment using PhP. ========= =========== ========= <?php $attch1=/attach/file1.txt $attach2=/attach/file2.txt $thefiles[0]=”$attch1″; $thefiles[1]=”$attch2″; $to = “destination@domain.com”; $subject = “Hello”; $message = “How…
Puppet : Introduction, Installation and basic configuration
Puppet is a configuration Management tool, used for managing configuration of systems systematically. It keeps a historical record of state of systems properly. Puppet used pull methodology where nodes request configuration details from a server….
Enabling security using .htaccess file
When working with web servers, and displaying contents, you may wish to restrict access to certain pages to only authenticated users. Which means one will require a password to view these restricted pages. Though there…
How to sync a folder in Ubuntu 14.04 with Google Drive
Google drive is a free cloud storage provided by Google where you can store files accessible from any where in the world as long as you have an internet connection. Google also provides Google Drive…