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Vagrant up error while executing `VBoxManage`

Vagrant up error while executing `VBoxManage`
This day, I running vagrant up in my laptop then isuse. I can not start VM in vagrant. My laptop use windows 10. Error code as below: $ v...

Zimbra Error 450 4.7.1 sender reject

Zimbra Error 450 4.7.1 sender reject
In this tutorial, How to solve problem "zimbra Error 450 4.7.1 sender reject" on Zimbra MTA. Zimbra Error 450 4.7.1 sender rej...

How to check accounts that are not active in zimbra

How to check accounts that are not active in zimbra
In this tutorial, How to check accounts that are not active in zimbra. You can check the vaule zimbraLastLogonTimestamp by account in Zimbra...

How to install 3proxy on centos 7

How to install 3proxy on centos 7
In this tutorial, How to install 3proxy on centos 7 ? How to configure 3proxy for multiple 3G USB modems. Pre-install The package for Centos...

How to install wvdial on ubuntu 18.04

How to install wvdial on ubuntu 18.04
In this tutorial, How to install wvdial on ubuntu 18.04. You want to install wvdial for USB 3G/4G Modem. Link download wvdial package for ub...

INSTALLING AND CONFIGURING USB 3G DATA ON CENTOS/RHEL

INSTALLING AND CONFIGURING USB 3G DATA ON CENTOS/RHEL
In this tutorial, How to installing and configuring USB 3G/4G Data on CENTOS /RHEL. INSTALLING AND CONFIGURING USB 3G DATA ON CENTOS/RHEL...

Upgrading Fedora 28 to Fedora 29

Upgrading Fedora 28 to Fedora 29
I using fedora 28 my laptop. Now I will "Upgrading Fedora 28 to Fedora 29" . Fedora 29 was just officially releases . Before not...

Zimbra open source iptables memo

Zimbra open source iptables memo
In this tutorial, I written Zimbra open source Iptables memo. The setting content is diffrent depending on your environment. Iptables for ...

top command in linux

top command in linux
I guide to the Linux " Top command ". The top command allow monitor processes and system resource usage on Linux. It is a best too...

mount.nfs stale file handle Solve Problem

mount.nfs stale file handle Solve Problem
How to Solve Problem "mount.nfs stale file handle". Cause, your server reboot or another issue you can not input command terminal ...