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100%
Vagrant, Serf, Packer, and Consul create and manage development environments
21.08.2014
Home »  Archive  »  2014  »  Issue 22: OpenS...  » 
Lead Image © 36clicks, 123RF.com
these base images "boxes." Prebuilt boxes can be downloaded free of charge via the community collection on Vagrantbox.es [3] (Figure 1) or from the Vagrant Cloud powered by HashiCorp [4]. The latter provides ... 22
79%
Automating command execution across servers
01.06.2024
Home »  Archive  »  2024  »  Issue 81: Load...  » 
Photo by Adrian Hartanto on Unsplash
Rubén Llorente ... because Sake sets a number of shell variables that are passed to the task being run, which can include: S_NAME S_HOST S_USER S_PORT S_TAGS Listing 3 Multi-OS Upgrade Task
62%
Discover the power of RouterBOARDS
25.09.2023
Home »  Archive  »  2023  »  Issue 77: Secur...  » 
Lead Image © andreysuslov, 123RF.com
Rubén Llorente ... is easy enough (superuser privileges are required): arp -s 192.168.90.55 00:0c:29:c1:91:b1 The last field of the command is the MAC address, which is the unique identifier of the network device to which
33%
Sort out your SSH configs
07.10.2014
Home »  Archive  »  2014  »  Issue 23: 10 Ti...  » 
Lead Image © saniphoto, fotolia.com
and the other on all IPv6 IP addresses. Listing 1 Checking Open Ports chris@DebianBox:~# lsof -i :22 COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME sshd 3328 root 3r IPv4 33323 0t0 TCP *:ssh ... The scope and functionality of SSH and sFTP provides both secure remote access and secure file transfers. ... SSH and sFTP Config
31%
Kubernetes k3s lightweight distro
25.03.2020
Home »  Archive  »  2020  »  Issue 56: Secur...  » 
Lead Image Photo by Josh Rakower on Unsplash
256sum-amd64.txt [INFO] Downloading binary https://github.com/rancher/k3s/releases/download/v1.0.0/k3s [INFO] Verifying binary download [INFO] Installing k3s to /usr/local/bin/k3s [INFO] Creating ... The k3s lightweight and secure Kubernetes distribution can handle both unattended workloads in remote locations with minimal resources and clusters of IoT appliances. ... Kubernetes k3s lightweight distro
30%
S3QL filesystem for cloud backups
09.01.2013
Home »  Archive  »  2013  »  Issue 18: New W...  » 
Lead Image © stylephotographs, 123RF.com
a 256-bit AES key. An additional SHA-256 HMAC checksum protects the data from manipulation. Compression: S3QL compresses the data before storing, using either LZMA, bzip2, or gzip. This compression ... advantages: S3QL. ... S3QL filesystem for cloud backups
25%
Listing 1
21.08.2012
Home »  HPC  »  Articles  »  Warewulf 4 Code  » 
 
==================================================================== Install       2 Package(s) Total download size: 106 k Installed size: 187 k Downloading Packages: (1/2): gkrellm-daemon-2.3.5-3.el6.x86_64.rpm      |  69 kB     00:00 (2/2): lm_sensors-libs-3.1.1-10.el6.x
24%
HPC Cloud Storage
20.11.2013
Home »  HPC  »  Articles  » 
advantages: S3QL. ... . Therefore, if I’m going to back up my data to cloud storage, I want to make sure the data is encrypted. S3QL encrypts all data using a 256-bit AES key. An additional SHA-256 HMAC checksum protects the data ... advantages: S3QL. ... S3QL Filesystem for HPC Storage
23%
Rethinking RAID (on Linux)
16.03.2021
Home »  HPC  »  Articles  » 
, (T) 4096B-4096B, ioengine=libaio, iodepth=32 fio-3.12 Starting 1 process Jobs: 1 (f=1) test: (groupid=0, jobs=1): err= 0: pid=5956: Sat Jan  9 16:38:53 2021   read: IOPS=256k, BW=998MiB/s (1047MB/s
22%
Warewulf Cluster Manager – Development and Run Time
18.07.2012
Home »  HPC  »  Articles  » 
The Warewulf cluster is ready to run HPC applications. Now, it’s time to build a development environment. ... that come with the package. In this case, hwloc itself is 1.0MB, but the sum of it and all of the dependencies is 11MB. Again, this might or might not seem like a large amount to you. It’s your decision ... The Warewulf cluster is ready to run HPC applications. Now, it’s time to build a development environment. ... Warewulf Cluster Manager – Part 3

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