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Cassandra port usage - how are the ports used?
... Cassandra 2.0 you need to take into account the following TCP ports:
(See EC2 security group configuration and Apache Cassandra FAQ)
Cassandra
7199 JMX monitoring port
1024 - 65355 Random port required by JMX. Starting with Java 7u4 a specific port can be specified using the com.sun.management.j...
How do I run a node.js app as a background service?
...o comes with systemd, which means forever, monit, PM2, etc are no longer necessary - your OS already handles these tasks.
Make a myapp.service file (replacing 'myapp' with your app's name, obviously):
[Unit]
Description=My app
[Service]
ExecStart=/var/www/myapp/app.js
Restart=always
User=nobody
...
Access Denied for User 'root'@'localhost' (using password: YES) - No Privileges?
I am continuously receiving this error.
20 Answers
20
...
HTML for the Pause symbol in audio and video control
...︎
The Unicode Standard 13.0 (update 2020) provides the Miscellaneous Technical glyphs in the HEX range 2300–23FF
Miscellaneous Technical
Given the extensive Unicode 13.0 documentation, some of the glyphs we can associate to common Media control symbols would be as following:
Keyboard ...
git - Server host key not cached
...sent in your trusted hosts file.
To get around this, open a plain SSH connection to origin and SSH will ask you if you want to trust the remote host (from the Git console):
$ ssh 127.0.0.1
The authenticity of host '127.0.0.1 (127.0.0.1)' can't be established.
RSA key fingerprint is <FINGERPRINT...
Create a shortcut on Desktop
...
With additional options such as hotkey, description etc.
At first, Project > Add Reference > COM > Windows Script Host Object Model.
using IWshRuntimeLibrary;
private void CreateShortcut()
{
object shDesktop = (object)"Desktop";
WshShell shell = new WshShell();
string shortcutAd...
How to get HTTP Response Code using Selenium WebDriver
...36.775000 UTC - [Socket Thread]: I/nsHttp Server: Apache/2.4.23 (Amazon) PHP/5.6.24
2017-11-02 14:54:36.775000 UTC - [Socket Thread]: I/nsHttp Set-Cookie: AWSELB=5F256FFA816C8E72E13AE0B12A17A3D540582F804C87C5FEE323AF3C9B638FD6260FF473FF64E44926DD26221AAD2E9727FD739483E7E4C31784C7A495796B4161...
How can I negate the return-value of a process?
...
Previously, the answer was presented with what's now the first section as the last section.
POSIX Shell includes a ! operator
Poking around the shell specification for other issues, I recently (September 2015) noticed that the POSIX shell supports a ! operator. For example, it is liste...
In Docker, what's the difference between a container and an image? [duplicate]
...o
This is a really important file!!!!
root@48cff2e9be75:/# exit
Don't expect that file to stick around when you exit and restart the image. You're restarting from exactly the same defined state as you started in before, not where you left off.
$ docker run -i -t ubuntu /bin/bash
root@abf181be437...
How to get client's IP address using JavaScript?
...Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36 Hypothesis-Via
colo=SJC
http=http/1.1
loc=US
tls=TLSv1.3
sni=plaintext
warp=off
Limitations:
Returns plain text
DB-IP
Try it: http://api.db-ip.com/addrinfo?api_key=<your api key...