Managing WordPress Using WP-CLI

Every wordpress user loves wordpress’ admin interface. Entire wordpress installation can be managed in one interface. Plugin installation, configuration, updates etc can all be managed from one single interface. What if there is a command line interface for the WP admin functions? That is what exactly provided by WP-CLI. Users with shell skills will love [...]

Configure Voipfone in Ubuntu 14.04 LTS using Asterisk 11

Few days back, I created an account at voipfone.co.uk for VOIP service. I chose Asterisk 11 as it is stable and comes with Ubuntu 14.04 LTS. The installation and configuration of voipfone service in Asterisk is relatively easy. Install asterisk apt-get install asterisk All configuration files of asterisk are in /etc/asterisk directory. The important files [...]

Dirty COW Vulnerability ( CVE-2016-5195 )

A nine year old local privilege escalation vulnerability has been reported in linux kernel. All linux distribution are reportedly affected by this. In redhat/centos 5, 6 and 7, the way to identify the affected or unpatched system is like below. $ wget https://access.redhat.com/sites/default/files/rh-cve-2016-5195_1.sh $ bash rh-cve-2016-5195_1.sh An official version of the patch is not yet [...]

Reset/Re-sync MySQL Master Slave Replication

Master/Slave Concept: While hosting a website, the database is of utmost importance as a small glitch in the database can make or break the whole website. Hence, we look for different ways to keep the database secured. One of the common methods used is the MySQL master-slave replication. The Master-slave data replication allows data to [...]

2017-01-31T12:02:59+05:30Server Administration|Comments Off on Reset/Re-sync MySQL Master Slave Replication

Systemd NOTIFY_SOCKET Vulnerability

A systemd vulnerability has been reported which freezes systemd calls. Systemd has been widely adopted in latest Linux Distributions like Redhat Enterprise Linux, Ubuntu, Debian, SUSE Linux Enterprise Servers. Systemd is the daemon that manages other daemons in Linux. A zero sized message received in systemd notification socket will hang its pause system call. It [...]

2017-01-30T17:09:09+05:30Server Administration, Server Security|Comments Off on Systemd NOTIFY_SOCKET Vulnerability
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