How to fix wget ERROR: The certificate of ‘ ’ is not trusted How to fix wget command error in Debian or Ubuntu: ERROR: The certificate of ‘ ’ is not trusted. ERROR: The certificate of ‘ ’ hasn’t… Continue Reading
Media change: please insert the disc labeled ”Debian GNU/Linux In case if Debian cannot found CD-ROM or DVD with Debian packages yo may have error: Media change: please insert the disc labeled ‘Debian GNU/Linux 9.11.0 _Stretch_ – Official amd64… Continue Reading
Asterisk SIP Trunk Registration Example Below you see Asterisk SIP trunk registration simple example. So edit sip.conf file and add register string to register Asterisk SIP trunk in [general] section. register=>SIP_ID:[email protected]_SIP_Provider_Host_or_IP Then fill host, username, secret with… Continue Reading
Windows 10 Hosts File Location What is Hosts file in Windows 10 The Windows (Linux) file hosts is an operating system file that maps hostnames to IP addresses. It is a plain text file. The hosts file remains… Continue Reading
Supermicro Chassis Intrusion Reset How to clear chassis intrusion triggered sensor in Supermicro servers. When chassis intrusion is triggered, then a reset button will appear in IPMI web interface. If you like what you are reading, please: Buy me… Continue Reading
5 Great Linux Disk IO monitoring tools Below you see my favorite best 5 Linux Disk IO Monitoring Tools. IOTOP iotop Linux is a simple top-like disk I/O monitor tool. iotop command watches I/O usage information output by the… Continue Reading
Using tcpdump for SIP and RTP Diagnostic (tcpdump examples) The tcpdump is a powerful command-line packet analyzer may use for for dumping traffic on a network. For more information about tcpdump options see man pages. Below you see tcpdump command… Continue Reading
FreeNAS “failed to start: vm_create: Device not configured” Error Fix If FreeNAS VM not starting problem in most cases can be easily fixed. To resolve this problem reboot FreeNAS, login to BIOS and enable CPU Virtualization. If it doesn’t and… Continue Reading
After installing sysstat package and running sar command you may have error message: “Cannot open /var/log/sysstat/sa18: No such file or directory. Please check if data collecting is enabled”. I will show how to fix that error on Ubuntu and CentOS… Continue Reading
How to Configure FreeNAS 11.2 Windows Share. Step by Step In this article I will show how to configure FreeNAS 11.2 Windows Share with new FreeNAS GUI. FreeNAS in 11.2-RELEASE introduce web interface and new features. For configuration from… Continue Reading