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…
Read more
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.
Read more
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,Download openvpn-.rpm , And install using this command rpm -ivh openvpn-.rpm
Read more
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/
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 directory. So, they use this symlink option as a tool to hack/gain access to server main/root directory. User will create a…
Read more
August 14, 2015
DNS Configuration (Internal and External)
Linux General,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
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 reports bandwidth, delay jitter, datagram loss.
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 status data is retrieved and presented in a brief format along with some basic performance suggestions.
Read more
May 25, 2015
Linux – Creating a Partition Size Larger Than 2TB using Parted Command
Linux General,Disk /dev/sdb: 3000.6 GB, 3000592982016 bytes 255 heads, 63 sectors/track, 364801 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Sector size (logical/physical): 512 bytes / 512 bytes
Read more
