How to enable root login on FreeBSD 10
When I was testing my new FreeBSD 10 RC, I was not able to connect from remote machine using root user. Using username “root”. Access denied Using keyboard-interactive authentication. Password […]
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How to capture TCP retransmissions on Linux
You are probably experiencing perfomance issues during file transfers on a Linux box and you would like to find out if there are some network issues recognized. First you may […]
How to fix Remote Desktop Connection not using saved credentials
When trying to use saved credentials in Remote Desktop Connection you might receive this message: Your credentials did not work. Your system administrator does not allow the use of saved […]
How to fix OP5 monitor execution time warning
In case you have a lot of monitors configured and/or monitors who will take some time until they are executed, it can happen that the OP5 internal monitor throws a […]
How to fix non working RRD graphs after uncontrolled OP5 shutdown
Check if data files are updated Goto RRD data directory # cd /opt/monitor/op5/pnp/perfdata Goto the host’s RRD data directory and check if the files are outdated # cd /opt/monitor/op5/pnp/perfdata/gepacsdb.health.root.loc # […]
How to configure OP5 to send SMS via Telit HT910G
Connect Add your SIM card to the Telit GSM modem and attach it via USB port to your server. To find the port where your GSM modem is attached, execute the […]
How to install Google Chrome 56 on CentOS7
Google Chrome is a freeware web browser developed by Google Inc. Google Chrome team proudly announced the release of Google Chrome 56 on January 25, 2017. The actual version is […]
How to install xrdp on CentOS7
xrdp is an Open Source Remote desktop Protocol server, which allows you to RDP to your Linux server from Windows machine; it is capable of accepting connections from rdesktop, freerdp, […]
How to fix CentOS 7 does not poweroff or reboot (GURUB2)
BIOS Requirement Make sure your BIOS is supporting ACPI If you can: Configure Max CPU C-State to C7 (Read More) Install ACPI # yum -y install acpid systemctl start acpid […]
How to fix Windows 7/8.1/10 login script issues in ActiveDirectory environments
Logon scripts do not run for five minutes after a user logs on to a Windows 8.1/10-based computer After a user logs on to a Windows 8.1/10-based computer, the logon […]