Whisper data file retention (Grafana / Graphite)
I have been using stack of Grafana + Graphite + Whisper with collectd daemons on my Linux servers for many many years. After some update […]
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Fixing XFS partition
Often – if not always – XFS partitions gets broken after Veeam backup restore. I usually mount Live-restore from Veeam to VM. Mounting of backup […]
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How many CPU cores do I need for my VPS?
“How can I improve speed of my WordPress site and will adding more CPU cores help?” question I am being frequently asked Quick answer is […]
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Benchmark HDD vs SSD vs NVME inside the old XEON server
This is a pretty dummy benchmark of 3 identical servers with Intel Xeon E3-1275 v5, 64GB ECC RAM and 3 different storage types – spindle […]
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Virtual machines with KVM on ARM64 server
Host machine for this test is a 80 core server with Ampere ® Altra ® Q80-30 CPU and 128GB ECC RAM. It runs latest Debian12, […]
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Hands on ARM64 80-core server
Hardware and CPU development does not ever stop. Some CPUs are getting faster, some are getting more energy efficient, some are getting new features and […]
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Install PHP5.2, PHP5.6 and PHP7.0 as Apache + FCGI on AlmaLinux8 / Centos8
This might sound very strange in 2023, but here are HOW-TO instructions on how to install Apache with FCGI and various number of old PHP […]
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DMARC record examples
View Post Best online wizard is https://dmarcian.com/dmarc-record-wizard/ DMARC premade examples Reject SPF failures v=DMARC1; p=reject; aspf=s; Relaxed DMARC record, does not force restrictions v=DMARC1; p=none; […]
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Benchmark Ryzen5 3600, Ryzen9 5950, Ryzen7 7700, Ryzen9 7950X3D, Intel i9 13900
Helping customer to choose new server. Doing some benchmarks with sysbench tool and WordPress plugin (wpbenchmark.io). Customer asked me to benchmark servers, that are available […]
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Fixing Grafana Telegram notification screenshots
This is for CentOS 7 I have recently upgraded to Grafana 9 and stopped receiving screenshots from Grafana notifications over Telegram bot. That sounds embarrassing, […]
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