Archivo de la categoría: Linux

cuda mac mini

0 There is a conflict between the driver CUDA wants to use (nvidia-390) and the one you have installed. I had the same problem: «which is also in package nvidia-340…» For me this was solved by first purging the old nvidia driver sudo dpkg -P nvidia-340 Only then would sudo apt –fix-broken install work. You can purge… Leer más »

tightvnc ubuntu 18 – Xfce Desktop

STEP 1: PREPARE YOUR SYSTEM FOR UBUNTU VNC SETUP Before installing VNC on Ubuntu let’s update the system. First, gain access to your server’s command line. This can be done through SSH remotely, terminal if you are on the server, or whatever method you usually use. Once you’ve gained access to your server, make sure you have… Leer más »

PacketFence Free and Open Source NAC

https://packetfence.org/ PacketFence is a fully supported, trusted, Free and Open Source network access control (NAC) solution. Boasting an impressive feature set including a captive-portal for registration and remediation, centralized wired and wireless management, powerful BYOD management options, 802.1X support, layer-2 isolation of problematic devices; PacketFence can be used to effectively secure networks small to very large… Leer más »

Mount LVM filesystems in live session

Several days ago, I gave you a tutorial on how to recover from a borked glibc, using tools available inside the installed system. We mentioned booting into a live session as the last but always viable option. Then, I thought of a little snag that may come your way. What if the installed system uses LVM? Normally,… Leer más »

iotop tool.

33 If you want to monitor the disk read and write speed real-time you can use the iotop tool. This is useful to get exact information about how a disk performs for a particular application or task. The output will show you read/write speed per process, and total read/write speed for the server, much similar to top. To… Leer más »

rsync copy

Note that if you’re on a slow link, or the server is under heavy load, the tool used for copying won’t be the bottleneck, and any way of copying will be slow anyway. This should give you the basic usage for copying between your local computer and the remote server: http://oreilly.com/pub/h/38 To copy from local computer… Leer más »

Remove all ZFS snapshots

#!/bin/bashfor snapshot in `zfs list -H -t snapshot | cut -f 1`dozfs destroy $snapshotdone

nginx monitoring prtg

If you’re merely interested in recording the connection information from the status page, you can use the embedded variables that the status module exposes, and format them for consumption by the HTTP Content sensor directly in the NGINX configuration: location /prtg { return 200 [$connections_active][$connections_reading][$connections_writing][$connections_waiting]; access_log off; allow x.x.x.x/y; deny all; } Reference: https://nginx.org/en/docs/http/ngx_http_stub_status_module.html

security online

https://www.acunetix.com/vulnerability-scanner/online-scanner/ https://www.tenable.com/products/nessus/nessus-professional https://www.tenable.com/products/tenable-io/web-application-scanning