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01.08.2019

Home » Archive » 2019 » Issue 52: Stop... »

NEW -m tcp --dport 22 -j ACCEPT 10 -A INPUT -p udp --dport 5353 -j DROP 11 -A INPUT -s -p tcp -m state --state NEW -m tcp --dport 443 -j ACCEPT 12 -A INPUT -m limit --limit 30/min -j

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Detecting malware with Yara

09.10.2017

Home » Archive » 2017 » Issue 41: Kuber... »

Lead Image © Mohamad Razi Bin Husin, 123RF.com

= "A pdf file that contains a bad link" 10 11 strings: 12 $pdf_magic = {68 47 77 22} 13 $s_anchor_tag = "s_uri = /$http.+$/ ascii" 15 16 condition: 17 $pdf_magic at 0 and (#s

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Building Virtual Images with BoxGrinder and VMBuilder

07.01.2013

Home » Articles »

plugin for Amazon Simple Storage Service (Amazon S3) 20 - sftp plugin for SSH File Transfer Protocol 21 - ebs plugin for Elastic Block Storage 22 - local plugin for Local file system 23

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Kea, the ISC's successor to the DHCP daemon

03.08.2023

Home » Archive » 2023 » Issue 76: Energ... »

://localhost:8000 $ curl -s -H "Content-type: application/json" -X POST -d '{ "command": "lease4-add", "arguments":{"ip-address":"172.17.6.8", "hw-address": "52:54:00:8a:17:9f"}, "service": [ "dhcp4" ] }' http

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An IT nomad's daily diary

30.11.2025

Home » Archive » 2011 » Issue 6: Perfor... »

is adding these entries to the Cobbler database. A typical example looks something like Listing 1. Listing 1 System Settings 01 # cobbler system add --name=foo --profile=ksprofile-devel-rhel6 ... 6

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VAX emulation with OpenVMS

18.07.2013

Home » Archive » 2013 » Issue 15: What’... »

downloaded the approximately 3MB ZIP file, create a folder before you unpack, because the archive does not contain one. If you simply unzip, all the files and directories end up in the current directory

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Managing Linux Filesystems

13.06.2016

Home » Archive » 2016 » Issue 33: IPv6... »

Standard Filesystems Distribution Filesystem Debian (from v7.0 wheezy) ext4 Ubuntu (from v9.04) ext4 Fedora (from v22) XFS SLES (from v12

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Enterprise software management with Red Hat Satellite Server

30.11.2025

Home » Archive » 2012 » Issue 09: Windo... »

installation script installs an Apache 2.2 web server. Figure 6 shows the Overview page, which provides a single view of tasks and critical systems. To view the Systems page, where the Satellite administrator

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Using rsync for Backups

07.01.2014

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” and really is a copy of the data as it existed when the copy was made (point in time). It is a true copy, so if you create a full backup of 20TB of data, you will need another 20TB to store the copy. It’s

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Tools for hardware diagnostics under Windows

26.01.2025

Home » Archive » 2025 » Issue 85: Monit... »

S.M.A.R.T. data makes CrystalDiskInfo an ideal tool for admins who want to analyze and monitor hard drives. AIDA64 AIDA64 [6] is only available in various commercial versions. AIDA64 Extreme (around

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