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23%
Monitoring your cluster with a home-grown OCF agent
30.11.2025
Home »  Archive  »  2012  »  Issue 07: Xen v...  » 
© Aleksey Mnogosmyslov, 123RF.com
to the Asterisk PBX" 18 return $OCF_ERR_GENERIC 19 fi 20 21 # Optionally check the monitor URI with sipsak 22 # The return values: 23 # 0 means that a 200 was received. 24 # 1 means
23%
Debugging the Linux kernel with the Qemu emulator
30.11.2025
Home »  Archive  »  2012  »  Issue 07: Xen v...  » 
© Daniela Mangiuca, 123RF.com
output/images/rootfs.ext2 -append "root=/dev/sda rw" -s -S & 6. Launch the debugger:gdbDebugger session:file vmlinuxtarget remote :1234continue 7. Log in, load the driver, and identify the memory
23%
Automating development environments and deployment with Otto
11.02.2016
Home »  Archive  »  2016  »  Issue 31: Tunin...  » 
Lead Image © baloncici, 123RF.com
] and unpack to your hard disk, revealing the lightweight otto program, which weighs in at just 15MB. Although you can call it directly – there is no need to install – HashiCorp does recommend adding otto
23%
Make Your IT Automation Systems Play Together Like a Symphony
15.12.2017
Home »  Archive  »  2017  »  Issue 42: Secur...  » 
© jeancliclac, Fotolia.com
of the topics was about ways to eliminate repetitive tasks. Naturally, we started talking about automation and orchestration. It was kind of fun to step back a bit and watch each of these folks test each other’s
23%
HPCCM with Docker and Podman
09.09.2024
Home »  HPC  »  Articles  » 
to maintain than a long specification file, and because it’s Python, you can use any Python code or tools as part of the recipe. The recipe uses “building blocks” for capabilities such as compilers, libraries
23%
Port Knocking
07.10.2014
Home »  Archive  »  2014  »  Issue 23: 10 Ti...  » 
Lead Image © rasslava, 123RF.com
seq_timeout = 10 08 tcpflags = syn 09 command = /usr/sbin/iptables -A INPUT -s \ %IP% -p tcp --dport 22 -j ACCEPT 10 11 [closeSSH] 12 sequence = 9000
23%
Supercharge your software upgrade routine
05.08.2024
Home »  Archive  »  2024  »  Issue 82: Sover...  » 
Photo by redcharlie on Unsplash
install topgrade Updating crates.io index Downloaded topgrade v14.0.1 Downloaded 1 crate (4.4 MB) in 1.52s Installing topgrade v14.0.1 Updating crates.io index Downloaded async-io v1.13.0 Downloaded async
23%
Measuring the performance health of system nodes
02.08.2022
Home »  Archive  »  2022  »  Issue 70: Defen...  » 
Lead Image © Peter Hermes Furian, 123RF.com
runtime (3.8s) for a class B problem size. Therefore, I will run the EP, FT, and MG tests to check health performance. For class B, the EP test takes 5.46s, the FT test 17.26s, and the MB test 3.8s
23%
Bare metal deployment with OpenStack
02.08.2021
Home »  Archive  »  2021  »  Issue 64: Bare...  » 
Photo by Anatolii Nesterov on Unsplash
-{{ openstack_release }} cirros_deploy_image_upstream_url: https://share/ironic-ubuntu-osism-20.04.qcow2 dhcp_pool_start: 192.168.21.200 dhcp_pool_end: 192.168.21.250 dnsmasq_router: 192.168.21.254 domain: osism
23%
Remote access with ThinLinc 4.12
03.02.2022
Home »  Archive  »  2022  »  Issue 67: syst...  » 
Photo by Clem Onojeghuo on Unsplash
with a KDE or Gnome desktop, you need to ensure around 200MB of storage space in each case. Much more important is the availability of RPM support, SSH, and a correct Network Time Protocol (NTP) configuration

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