When Apache is under heavy load, one of the first things you usually want to know is simple: what are all those workers doing right… Read More »apachetop: Watching Apache Directly from the scoreboard
After a recent Windows update, some users may experience that VMware Remote Console (VMRC) no longer starts. Instead, VMRC shows the following error: vmrc.exe –… Read More »VMware Remote Console Broken After Windows Update: Entry Point Not Found
The Symptom Your MikroTik IKEv2 VPN was working fine, then your Let’s Encrypt certificate renewed automatically — and now Windows clients refuse to connect with… Read More »IKEv2 VPN Broken After Let’s Encrypt Certificate Renewal? Here’s Why (and How to Fix It)
In Linux with IPv6 and IPv4 (dualstack), IPv6 address have preference. This can be easily changed in file /etc/gai.conf, add lines # /etc/gai.conf precedence ::ffff:0:0/96 100… Read More »How to prefer IPv4 in Linux?
Since iptables are deprecated and most Linux distributions now supports nftables, I have added nftables format to my country IP lists. This lists can be… Read More »Geoip blocking using nftables
I have few chinese Android TV boxes, two with flashed CoreELEC. One oldest which was not compatible with CoreELEC was unused, partialy bricked (OS loader… Read More »Debian on Amlogic
How to block Facebook complete from your site? It is easy using geoip2 module in nginx. In Debian / Ubuntu install libnginx-mod-http-geoip2 and we need… Read More »Blocking Facebook in nginx
After WMware was merged into Broadcom systems, it is very difficult to find VMware patches. Broadcom published this howto (because it is so non-intuitive). These… Read More »How to download VMware patches from Broadcom
RouterOS version 7.16 changelog mention this new feature
certificate - added support for cloud-dns challenge validation for sn.mynetname.net (CLI only);
But there is no documentation yet. How this feature works? Let’s find out.
Read More »Mikrotik Letsencrypt SSL certificate using new cloud-dns challenge featureTen years ago I have published my IP ranges generator and few other articles how it can be used to generate mikrotik firewall address lists or Haproxy ACLs This articles gets many comments about missing or wrong IP ranges. Yes, I know about it, but I can’t do anything with that – source data delegated blocks have country assigned by RIRs. Manually doing exceptions is no way to go…
Read More »New country IP ranges generator