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%2522Rub&121%25390 Llorente 22
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Automating deployments on Proxmox with OpenTofu and cloud-init
04.12.2024
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Articles
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Rubén
Llorente
... _file { 18 path = "webserver.yml" 19 file_name = "user_data_vm-webserver.yml" 20 } 21 }
22
23 resource "proxmox_virtual_environment_file" "network_cloud_config" { 24 count = 4
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content
99%
Automating command execution across servers
01.06.2024
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2024
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Issue 81: Load...
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Rubén
Llorente
... # A single task is defined, which by default will 20 # run only against "devuan" hosts. 21 tasks:
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upgradeall: 23 desc: Upgrade all packages 24 target:
25
tags: [devuan] 26 cmd: | 27
99%
Fast email server deployments with iRedMail
30.01.2024
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2024
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Issue 79: Monit...
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Rubén
Llorente
... 8,
9
Debian 11, 12 Ubuntu 20.04,
22
.04 FreeBSD 13.x OpenBSD 7.3 I recommend the downloadable installer, but I will skip
30%
Arp Cache Poisoning and Packet Sniffing
05.09.2011
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can see how the arp cache poisoning works: $ 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:B2:78:
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E \ -H 00:
22
:6E:71:04:BB -M 00:0C:29:B2:78:
9
E
29%
ARP cache poisoning and packet sniffing
30.11.2025
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2011
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Issue 6: Perfor...
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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:
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:6E:71:04:BB -m 00:0C:29:B2:78:
9
28%
A watchdog for every modern *ix server
25.09.2023
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2023
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Issue 77: Secur...
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< mkdir "${MONITCDIR}" --- > mkdir "${MONITSDIR}" 85,89d89 < tee /etc/.htpasswd <<'EOF' < guest:$apr1$gz4
n
7s6o$P.O/V1k
9
rZuV
9
nN
/5lh3l0 < admin:$apr1$esczj7wu$ffu/6j8vETMAMJaVTKn7
a
1 < EOF <
121
a
122
28%
Warewulf 4 – Time and Resource Management
17.01.2023
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-mod-slurm-ohpc x86_64 2.34-
9
.1.ohpc.2.6 OpenHPC-updates 13 k slurm-devel-ohpc x86_64
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.05.2-14.1.ohpc.2.6 OpenHPC-updates 83 k slurm-example-configs-ohpc x86_64
22
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Building a HPC cluster with Warewulf 4
04.04.2023
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2023
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Issue 74: The F...
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-mod-slurm-ohpc x86_64 2.34-
9
.1.ohpc.2.6 OpenHPC-updates 13 k slurm-devel-ohpc x86_64
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.05.2-14.1.ohpc.2.6 OpenHPC-updates 83 k slurm-example-configs-ohpc x86
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Mandatory access control with Tomoyo Linux
30.11.2025
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2012
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Issue 09: Windo...
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.0
2.2
.x. 2.6.30 through 2.6.35 Debian 6 (Squeeze) 2.3.x. 2.6.36 through 3.0 Ubuntu 11.10 2.4.x. 3.1. openSUSE
12.1
2.5
.x. 3 ...
9
27%
Security data analytics and visualization with R
05.12.2014
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2014
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Issue 24: Visua...
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select(HostCt, ServerOwner, Date) %>% 078 arrange(desc(HostCt)) 079 head8 <- head(top8,
25
) 080 081 data
9
<- sheet
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082 patchdata
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<- data.frame(data
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) 083 top
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<- patchdata
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%>% 084 select