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18
01
25
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How to update a WordPress website securely

Posted by | WordPress |

To prevent a website from changing its source code set user = nobody in its pool config, that can be /etc/php/8.3/fpm/pool.d/slogpost.conf for example:

[slogpost]

user = nobody
group = slogpost

listen = /run/php/www-slogpost.sock
include=/etc/php/8.3/fpm/socket-owner.conf

pm = ondemand

pm.max_children = 10
pm.start_servers = 0
pm.min_spare_servers = 0
pm.max_spare_servers = 1
pm.max_requests = 500

slowlog = /var/log/php-my/$pool.slow.log
request_slowlog_timeout = 5s
request_terminate_timeout = 300s

chdir = /
(more…)
15
01
25
 25 Comments

Migrating my VPS from Ubuntu 16.04 to Ubuntu 24.04

Posted by | Ubuntu |

Migrating the users and groups

Copied my groups from /etc/group:

dmitriano:x:1000:
slogpost:x:1001:www-data,bak
beauty:x:1009:www-data,bak
test1:x:1012:www-data,beauty,dmitriano,devnote,bak
test2:x:1013:www-data,bak
devnote:x:1018:www-data,bak
exchange:x:1025:
git:x:1026:www-data,bak
game:x:1027:www-data,bak
shar:x:1029:www-data,bak
bak:x:1032:
(more…)
13
01
25
 3 Comments

Using tcpdump with OpenVPN

Posted by | Ubuntu | Tagged , |

VPN service opens tun0 device in the docker container:

sudo docker exec -it 966f926484bc sh
/opt/Dockovpn # ifconfig

eth0      Link encap:Ethernet  HWaddr 02:42:AC:11:00:03
          inet addr:172.17.0.3  Bcast:172.17.255.255  Mask:255.255.0.0
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:20553 errors:0 dropped:0 overruns:0 frame:0
          TX packets:20539 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:14609434 (13.9 MiB)  TX bytes:14757264 (14.0 MiB)

lo        Link encap:Local Loopback
          inet addr:127.0.0.1  Mask:255.0.0.0
          UP LOOPBACK RUNNING  MTU:65536  Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:0 (0.0 B)  TX bytes:0 (0.0 B)

tun0      Link encap:UNSPEC  HWaddr 00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00
          inet addr:10.8.0.1  P-t-P:10.8.0.2  Mask:255.255.255.255
          UP POINTOPOINT RUNNING NOARP MULTICAST  MTU:1500  Metric:1
          RX packets:7825 errors:0 dropped:0 overruns:0 frame:0
          TX packets:12572 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:500
          RX bytes:1673378 (1.5 MiB)  TX bytes:12115333 (11.5 MiB)
(more…)
12
01
25
 5 Comments

Connecting to OpenVPN from an Android device

Posted by | Ubuntu | Tagged , |

I cloned repository https://github.com/dockovpn/dockovpn and updated config/server.conf to increase the server log verbosity by setting verb to 4:

port 1194
proto %HOST_TUN_PROTOCOL%
dev tun
ca /etc/openvpn/ca.crt
cert /etc/openvpn/MyReq.crt
key /etc/openvpn/MyReq.key
dh /etc/openvpn/dh.pem
server 10.8.0.0 255.255.255.0
ifconfig-pool-persist ipp.txt
push "redirect-gateway def1 bypass-dhcp"
push "dhcp-option DNS 208.67.222.222"
push "dhcp-option DNS 208.67.220.220"
duplicate-cn
keepalive 10 120
cipher AES-256-GCM
ncp-ciphers AES-256-GCM:AES-256-CBC
auth SHA512
persist-key
persist-tun
status openvpn-status.log
verb 4
tls-server
tls-version-min 1.2
tls-auth /etc/openvpn/ta.key 0
crl-verify /etc/openvpn/crl.pem
(more…)
29
12
24
 1 Comment

Installing Windows Sandbox

Posted by | Windows |

In addition to enabling Sandbox (a special purpose limited container) you also need to enable Windows Hypervisor Platform and also Virtual Machine platform:

13
12
24
 Leave a comment

My Android Phone requires release apps to be signed

Posted by | Android |

When I try to install an unsigned release app 

adb install android-build-release-unsigned.apk

I get 

Performing Streamed Install
adb: failed to install android-build-release-unsigned.apk: Failure [INSTALL_PARSE_FAILED_NO_CERTIFICATES: Failed to collect certificates from /data/app/vmdl827870317.tmp/base.apk: Attempt to get length of null array]
(more…)
02
12
24
 6 Comments

How I fixed wrong colors in my QML app on Android

Posted by | QML, QT |

I removed android:theme from AndroidManifest.xml:

<activity android:name="net.geographx.MainActivity"
    android:configChanges="orientation|uiMode|screenLayout|screenSize|smallestScreenSize|layoutDirection|locale|fontScale|keyboard|keyboardHidden|navigation|mcc|mnc|density"
    android:label="@string/app_name"
    android:theme="@style/AppTheme"
    android:launchMode="singleTask"
    android:screenOrientation="portrait"
    android:exported="true">
    <!-- Splash screen -->
    <meta-data android:name="android.app.splash_screen_drawable" android:resource="@drawable/splash"/>
    <!-- Splash screen -->
(more…)
18
11
24
 4 Comments

Checking my Binance API request logs

Posted by | Cryptocurrencies |
(more…)
17
11
24
 1 Comment

Sending XRP with JavaScript

Posted by | JavaScript, XRP | 
const read = require('read').read;
const send = require('./send');

async function asyncMain()
{
  const amount = await read({
    prompt: "Amount: "
  });

  const password = await read({
    prompt: "Password: ",
    silent: true,
    replace: "*" //optional, will print out an asterisk for every typed character 
  });

  // console.log("Amount: " + amount);
  // console.log("Your password: " + password);
(more…)
27
10
24
 Leave a comment

I nearly was margin called on Binance

Posted by | Cryptocurrencies | Tagged |

UNFI/USDT grown in 280% and I nearly was margin called:

but, fortunately, I earned $30.

(more…)
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