Zimbra 8.8.15 has been released last week. According to Zimbra product lifecycle, this release will be an LTS (Long Term Support) release and will have general support until 2022 and tehnical guidance until 2023. As Zimbra version 8.8.12 general support […]
One of the difficulties in setting up a new mail server is ensuring IP address reputation. Sometimes, I need a bunch of IP address to be setting up as SMTP gateway and due to its poor reputation history, our mails […]
I got this warning message while building Docker images and trying to start rsyslog inside Docker : rsyslogd: imklog: cannot open kernel log (/proc/kmsg): Operation not permitted. rsyslogd: activation of module imklog failed It seems that Unpriviledged cotainers do not […]
As I lives in Indonesia, I would prefer to use GMT+7 as my selected timezone. It will make my log easier to check and also easier to find events at a certain time. Below are a sample command to set […]
Single line script for creating crontab entry : (crontab -l 2>/dev/null; echo “*/15 * * * * /path/to/script.sh 2>&1”) | crontab – Ref : https://stackoverflow.com/questions/4880290/how-do-i-create-a-crontab-through-a-script