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
Read more
September 23, 2015
Open VPN Server Configuration on Linux
Linux General,It will create folder under /etc/openvpn and /usr/share/doc/openvpn-2.1.1 cp -r /usr/share/doc/openvpn-/easy-rsa /etc/openvpn cp -r /usr/share/doc/openvpn-/sample-config-files/server.conf /etc/openvpn we have to copy the “easy-rsa” folder and “server.conf” file from /user/share/doc/openvpn
Read more
September 12, 2015
Networking Concepts, in RHEL 7 or CENTOS7.
Linux General,Let’s see the networking concepts, in RHEL 7 or CENTOS7. You should concentrate on these if servers upgrade: We usually edit the network configuration file in the older versions to manage IPs. under /etc/sysconfig/network
Read more
August 26, 2015
Symbolic link hack and its prevention in cPanel based servers.
Linux General,Just like we use shortcut in windows based operating system. Symbolic link (symlink or soft link) is a shortcut like file in linux operating systems. In linux a normal user cannot access server main/root
Read more
August 14, 2015
DNS Configuration (Internal and External)
Linux General,The following package must be installed : bind-9.8.2-0.17.rc1.el6_4.6.i686.rpm bind-chroot-9.8.2-0.17.rc1.el6_4.6.i686.rpm bind-utils-9.8.2-0.17.rc1.el6_4.6.i686.rpm bind-libs-9.8.2-0.17.rc1.el6_4.6.i686.rpm
Read more
July 13, 2015
Routing Basics
Network,Routers in a network discover remote networks in two ways Statically configured routes Dynamic routing protocols
Read more
July 8, 2015
Routers Basics
Network,ROUTERS: It is an internetworking component that connects networks at different geographical locations.It has Serial Port Auxillary Port Console Port
Read more
July 1, 2015
Networking Basics
Network,A network is any collection of independent computers(devices) which are connected to one another to share files and peripherals such as printers, modems, tape drives.
Read more
June 18, 2015
Iperf
Linux General,Iperf was developed by NLANR/DAST as a modern alternative for measuring maximum TCP and UDP bandwidth performance. Iperf allows the tuning of various parameters and UDP characteristics. Iperf
Read more
June 2, 2015
MySQLTuner-perl Script
Linux General,MySQLTuner is a script written in Perl that allows you to review a MySQL installation quickly and make adjustments to increase performance and stability. The current configuration variables and
Read more
