A common network scenario – how to provide access to internal resources through firewall from external users. In this particular case, we will talk about providing access for PPTP VPN-Clients to connect to our VPN-Gateway behind Juniper SRX. This scheme is called PPTP Passthrough or Static NAT (this is more complex, because we can NAT every IP or protocol through SRX). And here is a little tip how to do this
Sometimes the thing go bad and server crashes unexpectedly. When this happens, we see a blue screen of death – while the system makes kernel or memory dump for us for further analysis.
But how to analyze dump and find out the reason of BSOD? Here in this little tip we will try to find a faulty device with help of windows debugger – WinDBG
In this little tip we are going to learn how to return a mailbox from quarantine in Exchange Server 2013, but the same is valid for Exchange 2016 also.
BIND is the most popular DNS-Server in the world.Here is one of the simplest BIND deployments – CentOS BIND caching proxy server under CentOS 7
Here we gathered all necessary commands for setting up Juniper SRX System services – DNS and it’s features: DNSSEC, DNS-proxy and split-DNS
So, you have your Mac, and you forgot everything – your password, AppleID, and you do not have any recovery disks. When every other way fail – try this set of actions, because it is independent of Mac OS version, and do not require any tool or flash drive. In short, we delete a specific file and tell the system to rerun the Welcome Wizard, create temporary administrative account and use in to reset password
When you export/import a VM under CentOS, in VMWare or Hyper-V environment, you can meet very annoying error – network service in the system can’t be started. Failed to start LSB: Bring up/down networking. Read more and learn how to fix this error