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February 6, 2017
E-mail Authentication
IT Management,We all send Email on our day to day life, We send mails from our Email client (Outlook, Thunderbird ) or from a Web interface (From browser), the mails gets transferred to the recipient. The question is, how secure is our message transfer. What is happening at the background. How the messages that we send…
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August 19, 2016
APACHE PHP-FPM MOD_FASTCGI
Linux General,Apache PHP-FPM is an alternative implementation of PHP-FastCGI. In PHP-FPM the PHP process runs as a standalone without the need of web server. It listens for incoming requests on either a TCP or a Unix socket. The web server we use(apache in our case) send requests and connect to PHP processes using FastCGI protocol. As…
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July 11, 2016
Find open ports on the Linux server using a script
Linux General,Create a .sh file with below script and set execute permission for the scrip file.
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March 5, 2016
Routing protocol commands list
Network,sh ip route // To view IP routing tables created on a Cisco router.
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February 5, 2016
February 5, 2016
General Switch commands
Network,Switch Commands Initial configuration of Switch1 with ip 172.16.10.16
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February 5, 2016
General Router Commands
Network,Router> User mode Router# Privilege mode Router(config)# Configuration mode Router(config-if)# Interface configuration mode
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January 8, 2016
Network Installation on Linux using NFS
Linux General,Install dhcp,copy /usr/share/doc/dhcp-xxxx/dhcpd.conf.sample to /etc/dhcp/dhcpd.conf cp -r /usr/share/doc/dhcp-xxxx/dhcpd.conf.sample /etc/dhcp/dhcpd.conf
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September 23, 2015
Open VPN Server Configuration on Linux
Linux General,Download openvpn-.rpm , And install using this command rpm -ivh openvpn-.rpm
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September 12, 2015
Networking Concepts, in RHEL 7 or CENTOS7.
Linux General,We usually edit the network configuration file in the older versions to manage IPs. under /etc/sysconfig/network-scripts/
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