rsync copy

Note that if you’re on a slow link, or the server is under heavy load, the tool used for copying won’t be the bottleneck, and any way of copying will be slow anyway. This should give you the basic usage for copying between your local computer and the remote server: http://oreilly.com/pub/h/38 To copy from local computerSeguir leyendo

nginx monitoring prtg

If you’re merely interested in recording the connection information from the status page, you can use the embedded variables that the status module exposes, and format them for consumption by the HTTP Content sensor directly in the NGINX configuration: location /prtg { return 200 [$connections_active][$connections_reading][$connections_writing][$connections_waiting]; access_log off; allow x.x.x.x/y; deny all; } Reference: https://nginx.org/en/docs/http/ngx_http_stub_status_module.html

security online

https://www.acunetix.com/vulnerability-scanner/online-scanner/ https://www.tenable.com/products/nessus/nessus-professional https://www.tenable.com/products/tenable-io/web-application-scanning

fio some benchmarks iops

130 nvme read: iops=37457 write: iops=12491 -bash-4.4# fio –randrepeat=1 –gtod_reduce=1 –name=test –filename=test –bs=4k –iodepth=64 –size=4G –readwrite=randrw –rwmixread=75 test: (g=0): rw=randrw, bs=4K-4K/4K-4K/4K-4K, ioengine=sync, iodepth=64 fio-2.0.14 Starting 1 process Jobs: 1 (f=1): [m] [100.0% done] [197.2M/67756K/0K /s] [50.7K/16.1K/0 iops] [eta 00m:00s] test: (groupid=0, jobs=1): err= 0: pid=39865: Tue Oct 30 16:47:38 2018 read : io=3071.7MB, bw=149830KB/s, iops=37457Seguir leyendo

Postfix Monitoring With Mailgraph And pflogsumm

https://www.howtoforge.com/postfix-monitoring-with-mailgraph-and-pflogsumm-on-debian-lenny     To install pflogsumm, we run aptitude install pflogsumm We want pflogsumm to be run by a cron job each day and send the report to postmaster@example.com. Therefore we must configure our system that it writes one mail log file for 24 hours, and afterwards starts the next mail log so that weSeguir leyendo

iozone benchmark 4k and fio

https://www.cyberciti.biz/tips/linux-filesystem-benchmarking-with-iozone.html iozone -r 4k -s 4096m -b test4k.xls https://devopsideas.com/benchmarking-disk-iops-aws-vs-digitalocean/ fio –randrepeat=1 –gtod_reduce=1 –name=test –filename=test –bs=4k –iodepth=64 –size=4G –readwrite=randrw –rwmixread=75 versión windows https://bluestop.org/fio/