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10%
Roll out hybrid clouds with Ansible automation
14.03.2018
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»
Archive
»
2018
»
Issue 44: Cloud...
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rules:
48
- proto: udp 49 from_port: 12345 50 to_port: 12345 51 cidr_ip: 0.0.0.0/0 52 - proto: tcp 53 from_port:
22
54 to_port:
22
55 cidr_ip: 0
10%
First steps in IT automation by Rex
11.06.2014
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2014
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Issue 21: Manag...
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_system_release = '
12
.04' 17 $eth0_mac = '08:00:27:c4:a1:d8' 18 $VirtInfo = { 19 virtualization_role => 'guest' 20 virtualization_type => 'virtualbox' 21 }
22
$memory_shared = '0' 23 $Network = { 24 networkdevices
10%
Rethinking RAID (on Linux)
16.03.2021
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RAID Status cat /proc/mdstat Personalities : [linear] [multipath] [raid0] [raid1] [raid6] [raid5] [raid4] [raid10] md0 : active raid1 sdd1[1] sdc1[0] 244065408 blocks super
1.2
[
2/2
] [UU
10%
Hybrid public/private cloud
30.01.2020
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2020
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Issue 55: AWS L...
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VPC: 04 Type: AWS::EC2::VPC 05 Properties: 06 CidrBlock: 07 Ref: VPCNet 08 Tags: 09 - Key: Name 10 Value: 11 Ref: VPCName
12
13 Forti
10%
Mounting Compressed Archives as a User
25.01.2022
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_notes.txt 4 ext2_notes.txt.gz
12
md_article_2.tar.gz 4 squashfs_notes.txt~ 4 EXT4_JOURNAL_ARTICLE 4 METARATES 4 STORAGE038 424 ext4_journal_article.tar.gz
48
10%
Setting up SELinux policies
12.09.2013
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2013
»
Issue 16: Docker
»
: Custom SELinux policy module
12
BuildRoot: %{_tmppath}/%{name}-%{version}-build 13 BuildArch: noarch 14 BuildRequires: checkpolicy, selinux-policy 15 Requires: selinux-policy-targeted 16
10%
A closer look at hard drives
18.07.2013
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2013
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Issue 15: What’...
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of file deletions – resolving this problem in most configurations not involving RAID, which is still negatively affected. The /etc/fstab file shows that this partition is installed with Ubuntu
12
.04's
10%
Nagios alerts implemented via VoIP
14.03.2013
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2013
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Issue 13: IPv6...
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=/opt/pjsua.conf 06 SOUNDFILE=/tmp/alert.wav 07 TEXT2WAVE=/usr/bin/text2wave 08 DURATION=20 09 NUMBER=01234567890 10 MESSAGE="Monitoring Alert" 11
12
# Setting a lock file 13 # We can't make more than one call 14
10%
Warewulf 4 – Time and Resource Management
17.01.2023
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is working, boot the compute node and run timedatectl : $ ssh n0001 [laytonjb@n0001 ~]$ timedatectl Local time: Sat 2022-
12
-17 11:31:26 EST Universal time: Sat 2022-
12
10%
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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timedatectl $ ssh n0001 [laytonjb@n0001 ~]$ timedatectl Local time: Sat 2022-
12
-17 11:31:26 EST Universal time: Sat 2022-
12
-17 16:31:26 UTC RTC time: Sat 2022-
12
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