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28%
SSHFS for Shared Storage
15.09.2020
Home »  HPC  »  Articles  » 
and interacts with a remote filesystem as though it were local (i.e., shared storage). It uses the SSH File Transfer Protocol (SFTP) between hosts, so it’s as secure as SSH. (I’m not a security expert, so I can
28%
Manage OpenVPN keys with Easy-RSA
06.10.2019
Home »  Archive  »  2019  »  Issue 53: Secur...  » 
Lead Image © Orlando Rosu, 123rf.com
for all existing users without a certificate (Listing 2). send_certs_and_config.py (Listing 3) signs them with S/MIME and mails to the VPN users. revoke_remove_cert_without_user (Listing 4) is applied
28%
Exploring the HPC Toolbox
04.11.2011
Home »  HPC  »  Articles  » 
by Datapoint, but it wasn’t until the early 1980s that DEC had some initial commercial success with its VAX cluster. The Linux operating system made a decisive contribution to reducing the costs
28%
Supercharge your software upgrade routine
05.08.2024
Home »  Archive  »  2024  »  Issue 82: Sover...  » 
Photo by redcharlie on Unsplash
installed Ubuntu MATE 22.04.3 platform), first install all the requirements for compiling and deploying topgrade-rs (referred to as Topgrade moving forward): curl, git, pkg-config, and rust. Once in place
28%
A self-healing VM system
07.06.2019
Home »  Archive  »  2019  »  Issue 51: Self-...  » 
Lead Image © THISSATAN KOTIRAT , 123RF.com
with timeout 15 seconds 03 if status != 0 for 3 cycles then exec "/usr/bin/ansible-playbook rebuild_node.yml" 04 if status != 0 for 3 cycles then exec "/usr/bin/mail -s 'Node 5 ping failed
27%
Shared Storage with NFS and SSHFS
12.09.2018
Home »  HPC  »  Articles  » 
to the nodes. Given that I have already installed software to /usr/local/ , I tend to export that directory in addition to /home . A bonus of sharing /home is that the user’s home directories include SSH keys
27%
Secure and seamless server access
25.09.2023
Home »  Archive  »  2023  »  Issue 77: Secur...  » 
Photo by Michael D on Unsplash
of Cloudflare Tunnel is that it supports multiple protocols, including HTTP, HTTPS, SSH, TCP, and UDP, so you can securely access a wide range of applications and services. Also, in the case of HTTP(S), you do
27%
Versioned backups of local drives with Git
28.11.2022
Home »  Archive  »  2022  »  Issue 72: OpenS...  » 
development environment, the JGit tool, written in Java, is included. Unlike the conventional Git client, JGit also handles the Amazon Simple Storage Service (S3) protocol. If you want to store your repository
27%
Shared Storage with NFS and SSHFS
04.10.2018
Home »  Archive  »  2018  »  Issue 47: Findi...  » 
Lead Image © Oleksiy Mark, 123RF.com
an alternative that has more security. SSHFS Filesystem in Userspace (FUSE) [3] offer several attractive features. Such filesystems are easy to code because they are in user space (have you tried getting
27%
Netcat – The admin's best friend
31.10.2025
Home »  Archive  »  2012  »  Issue 12: NAS S...  » 
© Dmitry Rukhlenko, 123RF.com
seconds, for example: # nc -p 16000 -w 30 examplehost.tld 22 If firewalling is in place and you need to originate your connection from a specific IP address to open a port, then you can enter: # nc -s 1.2.3

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