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20%
Manage Windows AD with PowerShell
02.08.2021
Home »  Archive  »  2021  »  Issue 64: Bare...  » 
Photo by Kelly Sikkema on Unsplash
within 90 days at the latest, you can set an expiration date: Set-ADAccountExpiration -Identity svc_low_SQL3 -TimeSpan 90.00:00:00 You will certainly want to minimize the number of accounts whose
20%
Kea, the ISC's successor to the DHCP daemon
03.08.2023
Home »  Archive  »  2023  »  Issue 76: Energ...  » 
Photo by Markus Winkler on Unsplash
://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
20%
A simple approach to the OCFS2 cluster filesystem
30.11.2025
Home »  Archive  »  2010  »  Issue 1: System...  » 
© Kheng Ho Toh, 123RF.com
filesystem (AFS) is another network filesystem that is available in a free implementation, OpenAFS [3]. On the other hand are cluster filesystems. Before computers can access "distributed" data, they first
20%
Linux device mapper writecache
30.01.2020
Home »  Archive  »  2020  »  Issue 55: AWS L...  » 
Lead Image © lightwise, 123R.com
=test test: (g=0): rw=randwrite, bs=(R) 4096B-4096B, (W) 4096B-4096B, (T) 4096B-4096B, ioengine=libaio, iodepth=32 fio-3.12 Starting 1 process Jobs: 1 (f=1): [w(1)][100.0%][w=654MiB/s][w=167k IOPS][eta 00m:00s
20%
Linux Writecache
19.11.2019
Home »  HPC  »  Articles  » 
, ioengine=libaio, iodepth=32 fio-3.1 Starting 1 process Jobs: 1 (f=1): [w(1)][100.0%][r=0KiB/s,w=1401KiB/s][r=0,w=350 IOPS][eta 00m:00s] test: (groupid=0, jobs=1): err= 0: pid=3104: Sat Oct 12 14:39:08 2019   write: IOPS=352
20%
The top three SSH tricks
14.08.2017
Home »  Archive  »  2017  »  Issue 40: Lean...  » 
Lead Image © Fotoflash,Fotolia.com
% 0 0.0KB/s 00:00 To copy a file from a remote system, change the syntax slightly: scp bob@calypso:/opt/test/file.txt . The trailing dot means the copy is to the current directory
20%
mpi4py – High-Performance Distributed Python
12.11.2020
Home »  HPC  »  Articles  » 
, a command might be: $ mpirun -np 4 -f ./hosts python3 ./script.py where script.py  is the Python code that uses mpi4py . The first example is just a simple “hello world” (Listing 1) from Jörg Bornschein’s
20%
Comparing startup times of Linux distros in the cloud
27.09.2021
Home »  Archive  »  2021  »  Issue 65: 7 Em...  » 
Lead Image © Lucy Baldwin, 123RF.com
Request timeout for icmp_seq 0 Request timeout for icmp_seq 1 Request timeout for icmp_seq 2 64 bytes from 52.90.56.122: icmp_seq=3 ttl=48 time=40.492 ms [ output truncated ] Welcome to Ubuntu 20.04.1 LTS
20%
Warewulf 4
13.12.2022
Home »  HPC  »  Articles  » 
 Packages: (1/6): dhcp-common-4.3.6-47.el8.noarch.rpm                       902 kB/s | 206 kB     00:00     (2/6): dhcp-libs-4.3.6-47.el8.x86_64.rpm                         3.1 MB/s | 147 kB     00:00     (3
20%
ARP cache poisoning and packet sniffing
30.11.2025
Home »  Archive  »  2011  »  Issue 6: Perfor...  » 
© elisanth, 123RF.com
Destination MAC address Listing 1 Nemesis arp Packets 01 $ while true 02 > do 03 > sudo nemesis arp -v -r -d eth0 -S 192.168.1.2 -D 192.168.1.133 -h 00:22:6E:71:04:BB -m 00:0C:29:B2

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