Category: Linux
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Heap Memory
Read more: Heap MemoryHeap Memory, it starts from lower address and increases to higher address malloc malloc(size) allocate memory, return a pointer realloc(pointer, size) resize currently allocated memory for bigger or lower by…
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Run MySQL Cluster Multi Masters For High Availability
Read more: Run MySQL Cluster Multi Masters For High AvailabilityHello Folks, it’s has been a while I didn’t write new articles, it’s has been a while I didn’t write new articles, so time to give back to the community,…
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Linux Performance Co-Pilot with WebUI
Read more: Linux Performance Co-Pilot with WebUIPerformance Co-Pilot allow sysadmins to collect and measure data from various systems, it comes in RPM packages for Red Hat 6 to 7 website http://pcp.io/ installing Performance CO-Pilot yum -y install…
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IPtables PREROUTING, POSTROUTING for mixed interfaces via DNAT & SNAT
Read more: IPtables PREROUTING, POSTROUTING for mixed interfaces via DNAT & SNATTraffic Forwarding with iptables Let’s get straight to the point. We are looking at two specific networking scenarios: Simple Traffic Forwarding: Routing traffic from a specific Source IP through our…
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phpMyAdmin error #1146
Read more: phpMyAdmin error #1146#1146 – Table ‘phpmyadmin.pma_tracking’ doesn’t exist this error indicates that phpmyadmin pages failed in setup and you just ignored it in the setup process you need to reconfigure the…
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phpMyAdmin no password dev env
Read more: phpMyAdmin no password dev envif you setup your development environment with no mysql root password after you setup phpmyadmin package it will land you with this error Login without a password is forbidden by…
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Fix Mcrypt WARNING Ubuntu Server
Read more: Fix Mcrypt WARNING Ubuntu Servertoday I faced problem in setup a mcrypt module I did install it via apt-get install mcrypt php5-mcrypt when i did try to enable it via php5enmod mcrypt I got…
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Docker Containers Crash Course
Read more: Docker Containers Crash CourseDocker Crash Course As Hypervisor is slow to boot and use a lot of resources and needs full installation the Container Technology not that old we used to use LXC…
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audit keystrokes with pam
Read more: audit keystrokes with pamThe pam_tty_audit PAM module is used to enable or disable TTY auditing. By default, the kernel does not audit input on any TTY this module is part of auditd and…
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Protect Boot & Single user mode
Read more: Protect Boot & Single user modeas a physical security is the main factor in our security perspective we all need to protect unauthorised access to our Linux box after we protect bios and we all know…