Scientific Linux - UNIX.Cafe

Setup a minimal LAMP server for LogAnalyzer on CentOS-8

DeaDSouL — Sun, 19 Jul 2020 21:25:09 +0000

Instead of analyzing each device/server’s logs individually from many places, why don’t you store all logs to one (or more) database, so that you can view and analyze them from a single UI? Notes: If you’re using a fresh installation of CentOS 8-Stream (020200629) the server or minimal edition, your ethernet-interface might just be down. […]

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Securely remove files using 4 tools (Paranoid mode)

DeaDSouL — Wed, 08 Jul 2020 21:00:13 +0000

Let’s see how to create a tiny BASH script as a result of combining scrub, wipe, shred and srm to securely remove files on Linux, FreeBSD and MacOSX. Let’s call it the Paranoid mode. 😉 Requirements: We need to have the following packages installed on our system. scrub: how to install scrub. wipe: how to […]

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Toggle between CPU powersave and performance in Linux

DeaDSouL — Tue, 07 Jul 2020 21:00:16 +0000

If you’re using an application that needs lots of CPU power, or you’re a gamer, you need to be able to switch your CPU mode (governor) from power-saving to full-performance mode. And of course vice-versa. Usually your Linux CPU scaling is set to powersave by default, which is more than enough and sufficient for most […]

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Securely remove files using scrub tool

DeaDSouL — Mon, 06 Jul 2020 21:00:20 +0000

scrub is one of the most popular tools that specialized in securely remove files on UNIX, MacOS X and Linux distros. Let’s see how to install and use it to prevent or at least decrease the possibilities of recovering them. As usual, become a root or use sudo whenever is needed with the following commands. Installation: scrub too […]

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Securely remove files using wipe tool

DeaDSouL — Sun, 05 Jul 2020 21:00:52 +0000

Let’s learn how to install and use the wipe tool on our UNIX, MacOS X and Linux distros to securely remove files to prevent or at least decrease the possibilities of recovering them for the sake of privacy. Wipe is a secure file wiping utility. There are some low level issues that must be taken […]

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Securely remove files using srm tool

DeaDSouL — Sat, 04 Jul 2020 21:00:08 +0000

In this tutorial we will learn how to install and use the srm command line tool to securely remove files on our system. To prevent or at least decrease the possibilities of recovering them. srm (or Secure Remove) is a command line utility for Unix-like computer systems for secure file deletion. Source: Wikipedia As usual, become a root or use sudo whenever is needed […]

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Securely remove files using shred tool

DeaDSouL — Thu, 02 Jul 2020 00:57:38 +0000

In this tutorial we will learn one of the most popular tools to securely remove files from disks on Linux and UNIX systems. Which called shred. To prevent or decrease the possibilities of recovering them. shred is a Unix command that can be used to securely delete files and devices so that it is extremely difficult to recover them, even […]

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How to backup your website from terminal

DeaDSouL — Wed, 03 Jun 2020 21:00:49 +0000

Why don’t we make the backup process as simple as possible? I mean by issuing one command, the website contents and database should be backed up remotely and locally. Let’s see how can we achieve this. Intro: If we think about it, we’ll know that we need two files/scripts. One of them should stay in […]

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Setup and configure Transmission torrent’s server (daemon)

DeaDSouL — Sun, 30 Apr 2017 21:00:50 +0000

We’ll see how to install and setup Transmission the BitTorrent client server daemon on various BSD and Linux distros. To make it automatically download the added torrent’s files. And separate the currently downloading files from the completed ones. As well as, how to manage it remotely. Transmission is a BitTorrent client which features a variety of […]

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HowTo: Manage a service in systemd, SysVinit, Upstart, runit and OpenRC

DeaDSouL — Fri, 31 Mar 2017 21:00:35 +0000

In this howto, you’ll learn the very minimum needed commands you’d have to know in order to manage your system’s startup processes (services). Whether it was Systemd, SysV init, Upstart, runit or OpenRC. First, please note that: Whenever you see {SERVICE_NAME} it’s a variable and meant to be replaced with actual service name, like sshd, […]

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