I am working as Linux administrator in multinational firm for the last five years dealing in Web hosting, VOIP, SMPP services. I have experience in dealing issues of Linux , Apache, Kannel, MySQL, FTP/SFTP, NMS and all other issues related to Linux (all flavors). Last but not the least writing articles is a part of hobby which I am doing for some years I have done multiple projects having the use of Kannel, SMPP, Nodejs, Opensips, Asterisk, Radius, Apache, HAProxy, and other Linux related opensource softwares