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100%
Caching with CacheFS
07.07.2020
Home »  HPC  »  Articles  » 
-Cache and handles the data storage and retrieval (i.e., the caching mechanism) by using a partition on a block device. An alternative caching mechanism called CacheFiles uses a directory in an existing filesystem ... HPC, data, caching
92%
Call web pages in the terminal with Browsh
06.10.2019
Home »  Archive  »  2019  »  Issue 53: Secur...  » 
Lead Image © yemelyanov, 123RF.com
://html.brow.sh/ and call the complete construct in a normal web browser: https://html.brow.sh/http://www.linux-magazine.com/ After a few seconds, you will see the corresponding website as Browsh would display it (Figure 2 ... Call web pages in the terminal with Browsh ... Block Graphics
84%
DebOps delivers easy Ansible automation for Debian-based systems
22.12.2017
Home »  Archive  »  2017  »  Issue 42: Secur...  » 
Lead Image © Chris Dorney, 123RF.com
is not in the data-home directory in DebOps. If you work as root, you can call the debops-init command below /root. The rest of the path is the typical folder structure that Ansible expects (Figure 2 ... Ansible is a simple and sensible automation solution, except for the time needed to create new roles and playbooks. The DebOps collection of Ansible playbooks for Debian-based Linux systems solves ... DevOps with DebOps ... DebOps delivers easy Ansible automation for Debian-based systems
79%
Storage across the network with iSCSI and Synology DiskStation Manager
04.12.2024
Home »  Archive  »  2024  »  Issue 84: Non-R...  » 
Lead Image © Vladimir Nenov, 123RF.com
: [15] 192.168.1.10:3260,1 iqn.2000-01.com.synology:MYDEVICE.Target-1.4d9e3bda2ee (non-flash) If you need to detach from a block-level-mounted device, first use the umount command to detach the ext4 ... The iSCSI protocol lets you access block storage across a network connection. We show you how to connect a Debian 12 system with a Synology storage device over iSCSI. ... Across the Block
78%
Backup and restore disks
29.09.2020
Home »  Archive  »  2020  »  Issue 59: Custo...  » 
Photo by Omar Flores on Unsplash
with mass storage devices can be found under the Settings | Analyze Disk Usage submenu. This tool is Baobab [3], also borrowed from the Gnome repository, which performs detailed analyses of all data carriers ... Not every backup tool is useful for backing up entire data media. Rescuezilla makes perfect bit-level copies of mass media in a matter of minutes, so you can completely reconstruct the system ... Block by Block
76%
I/O Profiling at the Block Level
27.08.2014
Home »  HPC  »  Articles  » 
Understanding how applications perform I/O is important not only because of the volume of data being written and read, but because the performance of some applications is dependent on how I/O is ... wrote about I/O tracing by looking at I/O patterns the application sends to the system (system calls) with strace. These patterns can reveal a great deal about what the application is doing. However, data ... Understanding how applications perform I/O is important not only because of the volume of data being written and read, but because the performance of some applications is dependent on how I/O is ... I/O Profiling at the Block Level
75%
Automatic data encryption and decryption with Clevis and Tang
18.02.2018
Home »  Archive  »  2018  »  Issue 43: Real...  » 
Photo by London Scout on Unsplash
, certificates, or tokens. In most cases, an API is available for accessing such a service. One well-known representative of these data storage devices is HashiCorp Vault [3]. However, vaults have many problems ... encryption, automation, data, Community ... Automatic data encryption and decryption with Clevis and Tang
75%
File Compression for HPC
10.11.2021
Home »  HPC  »  Articles  » 
One of the most underutilized capabilities in Linux and HPC is compressing unused data files. ... compression levels ranging from 1 to 9 . To use maximum compression, you put the compression level on the command line as a flag: $ bunzip2 -9 file.data The decompression tool for bzip2 is bunzip2 . 7-Zip ... HPC, data, compression ... One of the most underutilized capabilities in Linux and HPC is compressing unused data files.
71%
Zuul 3, a modern solution for CI/CD
05.12.2019
Home »  Archive  »  2019  »  Issue 54: NVMe...  » 
Lead Image © lightwise, 123RF.com
Zuul 3 brings a new approach to the DevOps challenge. (For more on these important DevOps concepts, see the "CI and CD" box.) Whereas other CI/CD tools like Jenkins, Bamboo, or TeamCity focus ... The Zuul 3 gating system is a free and flexible solution for continuous integration, delivery, and deployment. ... Zuul 3 ... Zuul 3, a modern solution for CI/CD
70%
Moving your data – It's not always pretty
18.07.2013
Home »  Archive  »  2013  »  Issue 15: What’...  » 
digifuture, 123RF
of many cores and many nodes, so why not use these cores to copy data? There is a project to do just this: DCP [5] is a simple code that uses MPI [6] and a library called libcircle [7] to copy a file ... The world is swimming in data, and the pool is getting deeper at an alarming rate. At some point, you will have to migrate data from one set of storage devices to another. Although it sounds easy ... Data Migration ... Moving your data – It's not always pretty

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