• CDN Cloudflare how to set and preserve the real IP of the client without modifying application code on Apache


    Your frontend CDN (eg. Cloudflare or even your own load balancer/proxy) must be sending the X-Forwarded-For and you must be running Apache on the backend. This solves the problem where your logs and services will only see the proxy/CDN IP and not the real client IP. modremoteip is the most modern and current working solution Step 1.) Enable remoteip a2enmod remoteip Step 2.) Edit/Enable the correct config Edit t........
  • Install Grafana on Linux Debian Ubuntu Tutorial Guide


    First we need a few extra packages: apt update apt install -y adduser libfontconfig1 musl sudo wget https://dl.grafana.com/enterprise/release/grafana-enterprise_10.3.1_amd64.deb Install / Enable Grafana dpkg -i grafana-enterprise_10.3.1_amd64.deb dpkg -i grafana-enterprise_10.3.1_amd64.deb (Reading database ... 44309 files and directories currently installed.) Preparin........
  • How to install and configure haproxy on Linux Ubuntu Debian


    haproxy is one of the best known and widely used Open Source load balancers out there and a strong competitor to nginx. haproxy is used by many large sites per Wikipedia: HAProxy is used by a number of high-profile websites including GoDaddy, GitHub,........
  • Debian Ubuntu apt install stop daemon questions/accept the default action without prompting


    This can be a real pain when automating things and you do an apt install and some packages ask a lot of questions. Make sure you set this variable when running: DEBIAN_FRONTEND=noninteractive Remember as well that if chrooting you will want to run like this: DEBIAN_FRONTEND=noninteractive apt install -y yourpackagename ........
  • cudaminer freezes Linux Mint taints kernel


    When running cudaminer once it tries to initialize the card the entire screen freezes. The computer itself is still running but the Xorg is done for, you cannot even switch to another console window and must reboot (even an mdm or Xorg restart does not help). At first cudaminer will give you these errors: stratrum_recv_line failed ...retry after 15 seconds GPU #0: Geforce 210 with compute ca........
  • NVIDIA GeForce GT 610 not working in Linux solution - use older 304.117 driver


    Iused the slightly older "304.117" version and it worked. With the newest version Icouldn't get X to start and kept getting these errors in messages/dmesg. [ 2346.083660] nvidia 0000:01:00.0: irq 44 for MSI/MSI-X [ 2350.608342] NVRM: RmInitAdapter failed! (0x12:0x2b:1831) [ 2350.608354] NVRM: rm_init_adapter failed for device bearing minor number 0 [ 2350.608369] NVRM: nvidia_frontend_open: minor 0, module->open() failed, err........
  • Xen non-HVM container won't work/boot anymore


    One of my test Centos 5 containers was on a partition that filled up and it threw all sorts of errors and stopped responding but now I can't boot it again anymore. All the console shows is the Linux Penguin on the top left corner and the xm console says "usbcore: registered new driver hub" and has halted there. Centos 5 Xen container stuck/frozen won't boot on "usbcore: registered new driver hub" Another great way of troubleshooting is booting fro........
  • Latest Articles

  • 'virtio0' uses a qcow2 feature which is not supported by this qemu version: QCOW version 3
  • Linux bash script to get the IP of a list of hostnames
  • How To Use Camera Webcam in Docker for OBS Studio etc...
  • Computer Server Won't Post Boot Or Enter BIOS Setup After Installing RAID SAS or GPU Card etc..
  • How To Test PHP Scripts from CLI with GET variables/query string
  • apt-cache how to see all available versions of a package in Debian Ubuntu Mint
  • Virtualbox VBox Guest-utils drag and drop files stops working with Windows VMs
  • How To Remove Ubuntu Netplan and Go Back to /etc/network/interfaces
  • How To Force Flash an AMD Instinct GPU To Another Model Using Debian Ubuntu Mint Linux
  • How To compile ollama from source to use unsupported AMD GPU with rocm in Ubuntu Debian
  • QEMU KVM Virtio GPU Windows Cannot Select 1080P
  • Linux Gnome Desktop Ubuntu Mint Debian Gets Slower After Weeks
  • Firefox How to Save Full Page As Screenshot/PDF
  • Nvidia Datacenter Driver Tesla Slow nvidia-smi response and high utilization with 0 usage
  • ffmpeg how to normalize / increase the volume of your audio
  • kdenlive audio blips pops cracks artifacts solution fix
  • haproxy / nginx certbot SSL issues
  • nginx how to see the real IP when behind a CDN
  • Docker how to find real container child process ID
  • Alibaba Aliyun how to reset password solution 'Setup does not meet the requirements, please resetting'