https://wiki.lucidslab.net/ 2026-04-15T05:14:11+00:00 https://wiki.lucidslab.net/ https://wiki.lucidslab.net/lib/tpl/dokuwiki/images/favicon.ico text/html 2023-05-18T13:08:10+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.lucidslab.net/doku.php?id=tips:base64&rev=1684415290&do=diff Base 64 Super easy on Linux Encode: echo -n "sometext" | base64 " -n do not output the trailing newline" Decode: echo "c29tZXRleHQ=" | base64 --decode text/html 2021-06-18T16:36:20+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.lucidslab.net/doku.php?id=tips:checksums&rev=1624034180&do=diff Checksums Checksums are (hopefully) uniquely generated strings derived from applying a hash function to all of the data in a particular file. Common hash algorithms include MD5, SHA1, SHA256, and SHA512. A typical use case of a checksum is in the verification of downloaded files. A person hosting a file on the internet will often provide the checksum string for which a user can cross check with their own copy of the file. This is used to verify that the data has not been tampered with and that … text/html 2021-06-18T16:36:20+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.lucidslab.net/doku.php?id=tips:flash&rev=1624034180&do=diff Flash The best way to play swf files is with the official flash player, there are some other open source projects, but they seem to either not work at all or are too cumbersome to use as a simple tool that plays flash files. The link below serves all the debug programs for adobe flash player, including a stand alone executable that will play raw swf files. text/html 2021-06-18T16:36:20+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.lucidslab.net/doku.php?id=tips:hetzner&rev=1624034180&do=diff Hetzner QEMU/KVM Server Setup Hetzner has a very unique way of assigning additional IP ranges to their dedicated server, which, in order to use these IPs for a virtual machine server, requires a virtual bridge. Kernel Options Take a look at ‘/etc/sysctl.conf’ and make sure that the following two lines aren’t commented out: text/html 2021-06-18T16:36:20+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.lucidslab.net/doku.php?id=tips:netplan&rev=1624034180&do=diff Remove Netplan On Ubuntu 18.04 With Canonical's addition of netplan in Ubuntu 18.04 as the de-facto networking replacement, certain configurations can be quite cumbersome and time-consuming to sort-out on this new YAML fed system. This guide will demonstrate how to revert back to the industry standard text/html 2021-06-18T16:36:20+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.lucidslab.net/doku.php?id=tips:netutils&rev=1624034180&do=diff Networking Utilities GUI zenmap (nmap) wireshark - Live packet monitoring and capture Terminal whois - Domain lookup dig - Useful for DNS lookup nload - Simple bandwidth graph with useful speed and transfer statistics nmap - Powerful network scanner text/html 2021-06-18T16:36:20+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.lucidslab.net/doku.php?id=tips:remove_netplan&rev=1624034180&do=diff Remove Netplan On Ubuntu 18.04 With Canonical's addition of netplan in Ubuntu 18.04 as the de-facto networking replacement, certain configurations can be quite cumbersome and time-consuming to sort-out on this new YAML fed system. This guide will demonstrate how to revert back to the industry standard text/html 2023-09-12T13:42:26+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.lucidslab.net/doku.php?id=tips:start&rev=1694526146&do=diff Tips Remove Netplan on 18.04 Hetzner Virtual Bridge for QEMU Networking Utilities Checksums Flash base64