Zimbra 8 on Ubuntu 14 with DKIM activation Rumi, June 14, 2017 Step 1 – connect to your server, get root privileges and install this package. apt-get install libgmp10 libperl5.18 unzip pax sysstat sqlite3 dnsmasq wget Configure hostname and DNS Server In this tutorial will use the ‘dnsmasq’ resolving nameserver to speedup DNS lookups in Zimbra. Dnsmask has been installed as prerequisite… Continue Reading
Outlook settings for vestacp Rumi, June 11, 2017 Properly set up a Mail Client in Vesta Control Panel You can use Thunderbird, Apple Mail, Outlook or Outlook Express Use full e-mail address as username IMAP and SMTP STARTTLS with normal passwords Example Settings: Username: william.cage@alpha-mimic.ltd password: aXly8Kbiqo IMAP hostname: alpha-mimic.ltd IMAP port: 143 IMAP security: STARTTLS IMAP auth… Continue Reading
Upgrade mysql 5.5 to 5.6 in Ubuntu 14 Rumi, June 2, 2017 While I was installing idoit- the cmdb and IT documenting platform, struggling with a pre-requisite of having mysql version 5.6 which is not shipped by native in ubuntu 14 installations. So had to google it and found some solution, however the one that worked for me which I’m sharing below:… Continue Reading
Essential Openvz commands Rumi, May 31, 2017 1. Command to list the running VPSs in a node # vzlist Example: # vzlist CTID NPROC STATUS IP_ADDR HOSTNAME 106 104 running xx.xx.xx.xx server1.test.com 107 46 running xx.xx.xx.xx server2.test.com 108 83 running xx.xx.xx.xx server3.test.com 109 86 running xx.xx.xx.xx server4.test.com 2. This command lists all (running and stopped) the VPSs… Continue Reading
How to Monitor your Linux and Windows Servers with CloudStats Rumi, May 27, 2017 CloudStats is a server monitoring service which allows you to monitor your whole server infrastructure from a single dashboard interface and helps timely to prevent any kind of technical issues and downtimes. With CloudStats it is possible to monitor Linux servers, including those on CentOS, Debian, Fedora, Ubuntu etc. CloudStats… Continue Reading
ZOHO Mail Client Configuration Rumi, May 26, 2017 Zoho Mail can be accessed via POP/ IMAP from the standard email clients. The administrator can enable or disable the access via POP/ IMAP for the user accounts based on the organizations requirements. The POP/ IMAP configuaration details are given below: IMAP Incoming Server Name : imappro.zoho.com Port : 993… Continue Reading
Creating Nginx Virtual Hosts Rumi, May 20, 2017 Step One— Create a New Directory The first step in creating a virtual host is to a create a directory where we will keep the new website’s information. This location will be your Document Root in the nginx virtual configuration file later on. By adding a -p to the line… Continue Reading
Provide View Only Access to Nagios user Rumi, May 17, 2017May 17, 2017 Step 1: Open “cgi.cfg” of nagios etc directory ( ex: /usr/local/nagios/etc/) via editor Step 2: Add user (ex: tappware) in the followings: authorized_for_all_services=nagiosadmin,viewuser authorized_for_all_hosts=nagiosadmin,viewuser authorized_for_read_only=viewuser [Important for view only] Step 3: Restart nagios Continue Reading
Tuning Nginx for Maximum Performance Rumi, May 13, 2017May 13, 2017 Worker_processes Make sure you use the correct amount of worker_processes in your /etc/nginx/nginx.conf. This should be equal to the amount of CPU cores in the output of cat /proc/cpuinfo | grep processor root@server1:~# cat /proc/cpuinfo | grep processor processor : 0 processor : 1 processor : 2 processor : 3… Continue Reading
Telecom is at a crossroad. The telecom business is starting to fail. Rumi, May 6, 2017 Ericsson and Nokia, the number two and three suppliers, have their debt rated as junk. Verizon is selling, what should have been its future, their cloud business, to IBM. AT&T is loosing wireless subscribers every quarter. Telefonica, the innovation leader, is scaling back its IoT Smart City business. Telecom as… Continue Reading