Category Archives: Hosting

Linux screen

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About linux screen program. Really nice to have it but usually when I find some article about using some linux software, there are always some missing pieces and then I have to search google again and again and that’s not good.

Type:

screen -> it opens up new screen window and you are in it

ctrl +a is for switching windows

ctrl+a c is for creating new screen window

Now to close it (detach) use:

ctrl+a d

To list all current screens:

screen -ls

To reattach to it use:

screen -r (number)

To close it use:

screen -XS (number) quit

Here are references:

https://linuxize.com/post/how-to-use-linux-screen/

https://askubuntu.com/questions/356006/kill-a-screen-session

Server benchmark testing

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Here it goes. Some VPS and some dedicated. This is for my reference.

Hetzner 2TB HDD CPU i7-4770 32GB RAM

Tue Nov 23 06:40:55 CET 2021

Basic System Information:

Processor : Intel(R) Core(TM) i7-4770 CPU @ 3.40GHz
CPU cores : 8 @ 1798.701 MHz
AES-NI : ✔ Enabled
VM-x/AMD-V : ✔ Enabled
RAM : 31.3 GiB
Swap : 18.0 GiB
Disk : 1.8 TiB

fio Disk Speed Tests (Mixed R/W 50/50):

Block Size4k (IOPS)64k (IOPS)
Read1.00 MB/s (251)14.56 MB/s (227)
Write1.03 MB/s (258)15.08 MB/s (235)
Total2.03 MB/s (509)29.64 MB/s (462)
Block Size512k (IOPS)1m (IOPS)
——— —-—- —-
Read49.39 MB/s (96)64.87 MB/s (63)
Write52.31 MB/s (102)69.26 MB/s (67)
Total101.71 MB/s (198)134.13 MB/s (130)

iperf3 Network Speed Tests (IPv4):

Provider | Location (Link) | Send Speed | Recv Speed
| | |
Clouvider | London, UK (10G) | 930 Mbits/sec | 850 Mbits/sec
Performing IPv4 iperf3 recv test from Online.net (Attempt #1 of 5)…fio Disk SpOnline.net | Paris, FR (10G) | 935 Mbits/sec | 863 Mbits/sec
WorldStream | The Netherlands (10G) | 932 Mbits/sec | 880 Mbits/sec
WebHorizon | Singapore (1G) | 555 Mbits/sec | 372 Mbits/sec
Clouvider | NYC, NY, US (10G) | 884 Mbits/sec | 281 Mbits/sec
Velocity Online | Tallahassee, FL, US (10G) | 104 Mbits/sec | 457 Mbits/sec
Clouvider | Los Angeles, CA, US (10G) | 839 Mbits/sec | 526 Mbits/sec
Iveloz Telecom | Sao Paulo, BR (2G) | 759 Mbits/sec | 147 Mbits/sec

iperf3 Network Speed Tests (IPv6):

Provider | Location (Link) | Send Speed | Recv Speed
| | |
Clouvider | London, UK (10G) | 917 Mbits/sec | 803 Mbits/sec
Online.net | Paris, FR (10G) | 922 Mbits/sec | 826 Mbits/sec
WorldStream | The Netherlands (10G) | 919 Mbits/sec | 832 Mbits/sec
WebHorizon | Singapore (1G) | 312 Mbits/sec | 457 Mbits/sec
Clouvider | NYC, NY, US (10G) | 879 Mbits/sec | 383 Mbits/sec
Clouvider | Los Angeles, CA, US (10G) | 827 Mbits/sec | 251 Mbits/sec

Geekbench 5 Benchmark Test:

Test | Value
|
Single Core | 970
Multi Core | 3541
Full Test | https://browser.geekbench.com/v5/cpu/11149448

Hetzner 512 nvme

root@server5 ~ # curl -sL yabs.sh | bash -s — -r9

## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ##

Yet-Another-Bench-Script

v2021-10-09

https://github.com/masonr/yet-another-bench-script

## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ##

Sat 16 Oct 2021 10:09:57 AM CEST

Basic System Information:

Processor : Intel(R) Xeon(R) CPU E3-1275 v5 @ 3.60GHz
CPU cores : 8 @ 900.033 MHz
AES-NI : ✔ Enabled
VM-x/AMD-V : ✔ Enabled
RAM : 62.6 GiB
Swap : 32.0 GiB
Disk : 436.7 GiB

fio Disk Speed Tests (Mixed R/W 50/50):

Block Size4k (IOPS)64k (IOPS)
Read634.85 MB/s (158.7k)1.20 GB/s (18.7k)
Write636.53 MB/s (159.1k)1.20 GB/s (18.8k)
Total1.27 GB/s (317.8k)2.40 GB/s (37.5k)
Block Size512k (IOPS)1m (IOPS)
——— —-—- —-
Read1.24 GB/s (2.4k)1.29 GB/s (1.2k)
Write1.31 GB/s (2.5k)1.37 GB/s (1.3k)
Total2.55 GB/s (4.9k)2.66 GB/s (2.6k)

iperf3 Network Speed Tests (IPv4):

Provider | Location (Link) | Send Speed | Recv Speed
| | |
Clouvider | London, UK (10G) | 913 Mbits/sec | 933 Mbits/sec
Online.net | Paris, FR (10G) | 923 Mbits/sec | 937 Mbits/sec
Clouvider | NYC, NY, US (10G) | 875 Mbits/sec | 677 Mbits/sec

iperf3 Network Speed Tests (IPv6):

Provider | Location (Link) | Send Speed | Recv Speed
| | |
Clouvider | London, UK (10G) | 901 Mbits/sec | 920 Mbits/sec
Online.net | Paris, FR (10G) | 911 Mbits/sec | 924 Mbits/sec
Clouvider | NYC, NY, US (10G) | 860 Mbits/sec | 517 Mbits/sec

Geekbench 4 Benchmark Test:

Test | Value
|
Single Core | 4855
Multi Core | 16877
Full Test | https://browser.geekbench.com/v4/cpu/16382066

Geekbench 5 Benchmark Test:

Test | Value
|
Single Core | 1093
Multi Core | 4204
Full Test | https://browser.geekbench.com/v5/cpu/10436961

Netcup cheapest root vps

root@v2:~# curl -sL yabs.sh | bash -s — -r9

## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ##

Yet-Another-Bench-Script

v2021-10-09

https://github.com/masonr/yet-another-bench-script

## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ##

Sat 16 Oct 2021 10:10:34 AM CEST

Basic System Information:

Processor : AMD EPYC 7702P 64-Core Processor
CPU cores : 2 @ 1996.247 MHz
AES-NI : ✔ Enabled
VM-x/AMD-V : ❌ Disabled
RAM : 7.8 GiB
Swap : 2.0 GiB
Disk : 158.8 GiB

fio Disk Speed Tests (Mixed R/W 50/50):

Block Size4k (IOPS)64k (IOPS)
Read111.32 MB/s (27.8k)1.10 GB/s (17.2k)
Write111.62 MB/s (27.9k)1.10 GB/s (17.3k)
Total222.94 MB/s (55.7k)2.21 GB/s (34.5k)
Block Size512k (IOPS)1m (IOPS)
——— —-—- —-
Read1.53 GB/s (2.9k)1.58 GB/s (1.5k)
Write1.61 GB/s (3.1k)1.68 GB/s (1.6k)
Total3.14 GB/s (6.1k)3.26 GB/s (3.1k)

iperf3 Network Speed Tests (IPv4):

Provider | Location (Link) | Send Speed | Recv Speed
| | |
Clouvider | London, UK (10G) | 1.53 Gbits/sec | 2.10 Gbits/sec
Online.net | Paris, FR (10G) | 1.70 Gbits/sec | 2.37 Gbits/sec
Clouvider | NYC, NY, US (10G) | 595 Mbits/sec | 1.27 Gbits/sec

iperf3 Network Speed Tests (IPv6):

Provider | Location (Link) | Send Speed | Recv Speed
| | |
Clouvider | London, UK (10G) | 1.59 Gbits/sec | 2.33 Gbits/sec
Online.net | Paris, FR (10G) | 1.24 Gbits/sec | 2.26 Gbits/sec
Clouvider | NYC, NY, US (10G) | 676 Mbits/sec | 1.11 Gbits/sec

Geekbench 4 Benchmark Test:

Test | Value
|
Single Core | 4339
Multi Core | 7947
Full Test | https://browser.geekbench.com/v4/cpu/16382067

Geekbench 5 Benchmark Test:

Test | Value
|
Single Core | 938
Multi Core | 1718
Full Test | https://browser.geekbench.com/v5/cpu/10436966

Contabo cheapest vps

root@vmi418:~# curl -sL yabs.sh | bash -s — -r9

## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ##

Yet-Another-Bench-Script

v2021-10-09

https://github.com/masonr/yet-another-bench-script

## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ##

Sat Oct 16 10:10:54 CEST 2021

Basic System Information:

Processor : AMD EPYC 7282 16-Core Processor
CPU cores : 4 @ 2794.590 MHz
AES-NI : ✔ Enabled
VM-x/AMD-V : ❌ Disabled
RAM : 7.8 GiB
Swap : 2.0 GiB
Disk : 195.8 GiB

fio Disk Speed Tests (Mixed R/W 50/50):

Block Size4k (IOPS)64k (IOPS)
Read5.30 MB/s (1.3k)64.13 MB/s (1.0k)
Write5.32 MB/s (1.3k)64.54 MB/s (1.0k)
Total10.62 MB/s (2.6k)128.68 MB/s (2.0k)
Block Size512k (IOPS)1m (IOPS)
——— —-—- —-
Read127.65 MB/s (249)98.41 MB/s (96)
Write134.43 MB/s (262)104.96 MB/s (102)
Total262.09 MB/s (511)203.37 MB/s (198)

iperf3 Network Speed Tests (IPv4):

Provider | Location (Link) | Send Speed | Recv Speed
| | |
Clouvider | London, UK (10G) | 195 Mbits/sec | 198 Mbits/sec
Online.net | Paris, FR (10G) | 198 Mbits/sec | 199 Mbits/sec
Clouvider | NYC, NY, US (10G) | 190 Mbits/sec | 192 Mbits/sec

Geekbench 4 Benchmark Test:

Test | Value
|
Single Core | 3644
Multi Core | 10698
Full Test | https://browser.geekbench.com/v4/cpu/16382070

Geekbench 5 Benchmark Test:

Test | Value
|
Single Core | 760
Multi Core | 2508
Full Test | https://browser.geekbench.com/v5/cpu/10436982

Hetzner 256GB SSD 4770 cpu

root@Ubuntu-2004-focal-64-minimal ~ # curl -sL yabs.sh | bash -s — -r9

## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ##

Yet-Another-Bench-Script

v2021-10-09

https://github.com/masonr/yet-another-bench-script

## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ##

Sat 16 Oct 2021 10:11:16 AM CEST

Basic System Information:

Processor : Intel(R) Core(TM) i7-4770 CPU @ 3.40GHz
CPU cores : 8 @ 2546.148 MHz
AES-NI : ✔ Enabled
VM-x/AMD-V : ✔ Enabled
RAM : 31.2 GiB
Swap : 18.0 GiB
Disk : 217.8 GiB

fio Disk Speed Tests (Mixed R/W 50/50):

Block Size4k (IOPS)64k (IOPS)
Read130.51 MB/s (32.6k)153.05 MB/s (2.3k)
Write130.86 MB/s (32.7k)153.86 MB/s (2.4k)
Total261.37 MB/s (65.3k)306.91 MB/s (4.7k)
Block Size512k (IOPS)1m (IOPS)
——— —-—- —-
Read176.61 MB/s (344)189.90 MB/s (185)
Write185.99 MB/s (363)202.55 MB/s (197)
Total362.60 MB/s (707)392.46 MB/s (382)

iperf3 Network Speed Tests (IPv4):

Provider | Location (Link) | Send Speed | Recv Speed
| | |
Clouvider | London, UK (10G) | 905 Mbits/sec | 933 Mbits/sec
Online.net | Paris, FR (10G) | 899 Mbits/sec | 938 Mbits/sec
Clouvider | NYC, NY, US (10G) | 872 Mbits/sec | 552 Mbits/sec

iperf3 Network Speed Tests (IPv6):

Provider | Location (Link) | Send Speed | Recv Speed
| | |
Clouvider | London, UK (10G) | 916 Mbits/sec | 920 Mbits/sec
Online.net | Paris, FR (10G) | 921 Mbits/sec | 924 Mbits/sec
Clouvider | NYC, NY, US (10G) | 878 Mbits/sec | 483 Mbits/sec

Geekbench 4 Benchmark Test:

Test | Value
|
Single Core | 4801
Multi Core | 15912
Full Test | https://browser.geekbench.com/v4/cpu/16382071

Geekbench 5 Benchmark Test:

Test | Value
|
Single Core | 1057
Multi Core | 3927
Full Test | https://browser.geekbench.com/v5/cpu/10436988

Hetzner 480GB Datacenter Xeon dedicated

root@saturn ~ # curl -sL yabs.sh | bash -s — -r9

## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ##

Yet-Another-Bench-Script

v2021-10-09

https://github.com/masonr/yet-another-bench-script

## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ##

Sat 16 Oct 2021 10:11:46 AM CEST

Basic System Information:

Processor : Intel(R) Xeon(R) CPU E3-1275 v5 @ 3.60GHz
CPU cores : 8 @ 900.300 MHz
AES-NI : ✔ Enabled
VM-x/AMD-V : ✔ Enabled
RAM : 62.6 GiB
Swap : 32.0 GiB
Disk : 407.4 GiB

fio Disk Speed Tests (Mixed R/W 50/50):

Block Size4k (IOPS)64k (IOPS)
Read180.62 MB/s (45.1k)215.19 MB/s (3.3k)
Write181.10 MB/s (45.2k)216.32 MB/s (3.3k)
Total361.73 MB/s (90.4k)431.51 MB/s (6.7k)
Block Size512k (IOPS)1m (IOPS)
——— —-—- —-
Read226.78 MB/s (442)262.45 MB/s (256)
Write238.83 MB/s (466)279.93 MB/s (273)
Total465.61 MB/s (908)542.38 MB/s (529)

iperf3 Network Speed Tests (IPv4):

Provider | Location (Link) | Send Speed | Recv Speed
| | |
Clouvider | London, UK (10G) | busy | busy
Online.net | Paris, FR (10G) | busy | busy
Clouvider | NYC, NY, US (10G) | busy | busy

iperf3 Network Speed Tests (IPv6):

Provider | Location (Link) | Send Speed | Recv Speed
| | |
Clouvider | London, UK (10G) | busy | busy
Online.net | Paris, FR (10G) | busy | busy
Clouvider | NYC, NY, US (10G) | busy | busy

Geekbench 4 Benchmark Test:

Test | Value
|
Single Core | 4853
Multi Core | 16807
Full Test | https://browser.geekbench.com/v4/cpu/16382073

Geekbench 5 Benchmark Test:

Test | Value
|
Single Core | 1092
Multi Core | 4208
Full Test | https://browser.geekbench.com/v5/cpu/10437001

Delete everything multiple files Linux

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If you want to find and delete some files from your drive then use this command:

find . -type f ! \( -name "*thumb.jpg" -o -name "*1200w.jpg" \) -exec rm -rf {} \;

Explanation: https://unix.stackexchange.com/questions/78376/in-linux-how-to-delete-all-files-except-the-pattern-txt

https://unix.stackexchange.com/questions/50612/how-to-combine-2-name-conditions-in-find

Adding IP address – failover ip

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First edit : nano /etc/network/interfaces

# This file describes the network interfaces available on your system
# and how to activate them. For more information, see interfaces(5).

source /etc/network/interfaces.d/*

# The loopback network interface
auto lo
iface lo inet loopback

# The primary network interface
#allow-hotplug eno1
#iface eno1 inet dhcp
 auto eno1
 iface eno1 inet static
         address 195.154.242.173
         netmask 255.255.255.255
         gateway 195.154.242.1
 auto eno1:0
 iface eno1:0 inet static
 address 51.158.26.20
 netmask 255.255.255.255

And that’s all there is actually.

Use this as a reference.

https://documentation.online.net/en/dedicated-server/network/ip-failover/ip-failover

Rsync exclude

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rsync -avz files/app_akcijekatalozi –exclude=storage/ akcijekatalozi@domain.net:/home/akcijekatalozi/

Take note, exclude path storage/ is relative to files/app_akcijekatalozi path…not root path, home path or absolute path!

Installing composer on KeyHelp control panel

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I’ve been trying to figure this out for the last 2 hours. But I have finally managed to install it.

From offical composer page copy paste first two lines

https://getcomposer.org/download/

like:

php -r "copy('https://getcomposer.org/installer', 'composer-setup.php');"
php -r "if (hash_file('sha384', 'composer-setup.php') === 'c31c1e292ad7be5f49291169c0ac8f683499edddcfd4e42232982d0fd193004208a58ff6f353fde0012d35fdd72bc394') { echo 'Installer verified'; } else { echo 'Installer corrupt'; unlink('composer-setup.php'); } echo PHP_EOL;"

Then, since KeyHelp makes users folders as root you will need to use i.e. files folder for installing Composer with command above. Then use this command:

COMPOSER_HOME=/home/users/someuser/files/ php composer-setup.php

What this command does?! COMPOSER_HOME is var and enables you to write composer.phar inside different home path.

All this without root. That was the point in the first place. Root and composer are not good option.

Problem was with the permissions in the first place. Users are from root. And Composer wanted to use $cd to access home folder. It poined to /home/users/someuser (someuser is current logged in user).

Error: Unable to create Composer home directory “/home/users/someuser/.config/composer”: mkdir(): Permission denied