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Automating deployments on Proxmox with OpenTofu and cloud-init
04.12.2024
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Lead Image © lightwise, 123RF.com
Rubén Llorente ... of machines. Tools such as FAI created for physical machines are of use when deploying virtual machines, as well, as are distro-specific tools (e.g., autoinstall for OpenBSD [2], preseed for Debian [3
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One metric to rule them all
31.10.2025
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/uptime.1.html Getloadavg (3) man page: http://www.kernel.org/doc/man-pages/online/pages/man3/getloadavg.3.html CentOS Deployment Guide – /proc/loadavg: http://www.centos.org/docs/5/html/5.2
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Getting your virtual machine dimensions right
04.12.2024
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Photo by ROCCO STOPPOLONI on Unsplash
have 26 cores or 52 hyperthreads per NUMA node for the VM. Figure 2 shows a four-socket server with 28 cores per socket and 6TB of RAM. Figure 2: A four
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Compressed Archives for User Projects
11.08.2025
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it is a little bigger, at 31899301. Listing 3: Files in the Compressed Archive laytonjb@laytonjb:~/DATA_STORE$ ls -lstar total 62316 31152 -rw-rw-r--  1 laytonjb laytonjb 31897275 Aug  2 09:52 data1_08022025.tar
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Give your servers the once over with Nmap
31.10.2025
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© ragsac, 123RF.com
.nmap.org (64.13.134.52): Not shown: 994 filtered ports PORT STATE SERVICE VERSION 22/tcp open ssh OpenSSH 4.3 (protocol 2.0) 25/tcp closed smtp
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Reducing the Attack Surface in Windows
04.12.2024
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Photo by Sander Sammy on Unsplash
, signed drivers Yes 56a863a9-875e-4185-98a7 b882c64b5ce5 Stops Adobe Reader from creating child processes No 7674ba52-37eb-4a4f-a9a1-f0f9a1619a2c Stops all Office
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Using Expect scripts to automate tasks
31.10.2025
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© Kheng Ho Toh, 123RF.com
-- "PASSWORD\r" 49 expect -exact "\r 50 Linux aspen 2.6.32-43-server #97-Ubuntu SMP Wed Sep 5 16:56:41 UTC 2012 x86_64 GNU/Linux\r 51 Ubuntu 10.04.4 LTS\r 52 \r 53 Welcome to the Ubuntu Server!\r 54
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Remote desktop based on HTML5
31.10.2025
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© Phanlop Boonsongsomnukool, 123RF.com
quickly view the password hash at the command line with the md5sum utility: # echo -n | md5sum -t 319f4d26e3c536b5dd871bb2c52e3178 - Next, add this hash value instead of the password
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A Btrfs field test and workshop
31.10.2025
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© Adrian Hillman, 123RF.com
. Enterprise-Level Features Btrfs is a copy-on-write (COW) filesystem. Whereas a filesystem like ext3 logs block changes in a journal, Btrfs always writes changes to a block at a new location on the disk
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Storage across the network with iSCSI and Synology DiskStation Manager
04.12.2024
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Lead Image © Vladimir Nenov, 123RF.com
. In this case you will select the Quiet Mode Option. The final touch will be to make sure you get alerts when something fails at 3:00am, so you will be notified (or not). The Beep Control option is especially