N E T V I R T E X P E R T

    These are recommended installation requirements if you need to play with Vicibox open source scalable contact center solution: -  DB server (for up to 150 agents)  - 8GB RAM, 240GB+ SSD - ALWAYS INSTALL FIRST IN CLUSTER SETUP FOLLOWING WITH ARCHIVE, WEB AND LAST TELEPHONY SERVER! -  Archive server  - 2GB+ RAM, 1TB HDD -  Web server  - 4GB+ RAM, 160GB HDD -  Telephony server  - 4GB+ RAM, 160GB HDD OS installation notes (assumes you already downloaded ISO from  http://download.vicidial.com/iso/vicibox/server/ ): root / vicidial - default login os-install - Suse OS installation yast lan - setup properly network and DNS properties yast firewall - setup properly firewall inside OS zypper up -y - install updates and reboot after that yast timezone - setup properly timezone Vicibox express installation: vicibox-express - complete express setup Vicibox cluster installation: vicibox-install - install required component and reboot af...

    Occasionally Cisco UCS performance manager (based on Zenoss 5) may stop responding with main   serviced  daemon inactive - which leads to unresponsive web access and all features...version on which I founded this was 2.0 (but 2.0.1 and 2.0.2 are also the same) of UCS performance manager. Because of that I created small script to check status of service and do an restart - until something better and official came out: #!/bin/bash service=serviced if (( $(ps aux | grep -v grep| grep -v "$0" | grep serviced| wc -l) > 0 )) then echo "$service is running!!!" else service $service restart fi Give it executable rights -  chmod +x [name of script]  - and schedule it through standard cron job. Until something better this should do it...

If you have problem connecting newest vDP 6.1.2 appliance with vsphere web client in following circumstances: - you are using vDS (Nexus 1kV also) - you migrate everything to standard vswitch and it works like it shoud - THEN please follow procedure from link below: http://www.virtuallypeculiar.com/2016/05/unable-to-connect-vdp-61-to-web-client.html Unable to connect to vCenter appliance with winSCP - please change SFTP environment protocol options in advanced settings to " shell /usr/lib64/ssh/sftp-server"  and enable SSH, Shell access in web Admin settings. It should work like charm...

    Useful cmd for quick checking compromised account in case of internal spam: cat /var/log/zimbra.log | sed -n 's/.*sasl_username=//p' | sort | uniq -c | sort -n Accont with much difference in sent mails is the one to inspect...

    These are install requirements that I personally use when I'm playing with lab/production Zimbra open source mail servers: - CentOS OS (minimal ISO) - base OS for Zimbra installation from  https://www.centos.org/download/ - 8GB+ RAM, 10GB+ HDD, 2+ vCPU Zimbra installation: DISABLE POSTFIX FROM BASE CENTOS INSTALL WHICH COMES BY DEFAULT -  systemctl stop postfix / systemctl remove postfix disable iptables firewall - assumes you have some other firewall at public side for your mail server set  selinux  adequately at  /etc/sysconfig/selinux setup local DNS adequately at  /etc/hosts -  you must resolve domain names which you are going to use in mail server so that system successfully works - even installer checks for resolvable hostname via DNS tar xzvf [zcsfilename.tgz] -  unpack previosly downloaded file from  https://www.zimbra.com/try/zimbra-collaboration-open-source/ cd [zcsfilename] ./install.sh -  begin installation...