Issue with REMOTE-SSH into vagrant using VSCode (Mac) - visual-studio-code

I am trying to follow this link to try connecting into my vagrant vm box with VSCode in Mac Catalina. But every time I am getting "could not establish connection with default".
The link said to copy the 'vagrant ssh-config' results to ~/.ssh/config. Before I did this, the ~/.ssh folder was empty.
The content of the config file copied from 'vagrant ssh-config' is as follows:
Host default
HostName 127.0.0.1
User vagrant
Port 2222
UserKnownHostsFile /dev/null
StrictHostKeyChecking no
PasswordAuthentication no
IdentityFile /Users/stewartty/udacity-courses/fullstack/vagrant/.vagrant/machines/default/virtualbox/private_key
IdentitiesOnly yes
LogLevel FATAL
Host vagrant
HostName vagrant
User vagrant
In VSCode, I installed the Remote-SSH extension. Then I followed exactly to the word as laid out in the link (open command palette and select the ./ssh/config file AND again, open command palette and select 'Remote SSH: Connect to Host... and select 'Default').

Check your vagrant IP.
most of the time has your inet range ip, to see the virtual machine
ifconfig | grep inet
Refer to the Vagrantfile network section

I made a rookie mistake - I should have run vagrant up first before trying to remote-ssh using VSCode. I’ve had no problem remoting after running vagrant up.

Related

VSCode remote-ssh extension: server-side port [duplicate]

I discover Visual Studio Code Remote Development Extension Pack. I wanted to try it, but my remote is on a 2222 port.
I can correctly connect with Putty and my port 2222, same on my Linux laptop with ssh command.
What is the correct config to use Code Remote via SSH with other port ?
Thanks
Host my-remote-connection
HostName mydomain.name
User myusername
Just add Port to your config like:
Host my-remote-connection
HostName mydomain.name
User myusername
Port 2222

Can't connect to postgresql "Role does not exist"

I'm trying to connect to postgresql from a docker container but I get following error:
2019-03-02 20:10:45.218 MSK [2777] spectrum_user#spectrum_db FATAL: password authentication failed for user "spectrum_user"
2019-03-02 20:10:45.218 MSK [2777] spectrum_user#spectrum_db DETAIL: Role "spectrum_user" does not exist.
Connection matched pg_hba.conf line 100: "host all all 172.17.0.0/16 md5"
Looks like it successfully connects but fails to authenticate. And I don't have idea why. I can connect to db with psql. This role definitely exists.
I'm using Ubuntu 18.04 LTS
Does anyone have suggestions?
UPDATE: It appeared that I had two versions of postgresql running simultaneously and I tried to connect to wrong postgresql instance.
It appeared that I had two versions of postgresql running simultaneously and I tried to connect to wrong postgresql instance.
You'll need to edit the pg_hba.conf.
On my install of Ubuntu 18.04 this is the path:
/etc/postgresql/10/main/pg_hba.conf
You can try:
sudo vim /etc/postgresql/10/main/pg_hba.conf
replace vim with your choice of text editor. If a file doesn't open with this command (a file that already has settings in it) then you'll need to explore around /etc/postgresql to find the pg_hba.conf file. Try:
find -name pg_hba.conf
Once you find and open the file, edit the following lines:
Under the comment # IPv4 local connections:
host all all 172.17.0.1/24 trust
Now you'll need to edit one more file:
sudo vim /etc/postgresql/10/main/postgresql.conf
Change any reference of listen_addresses to:
listen_addresses = '*'
After you've saved all the above changes, run this command:
sudo service postgresql restart
Note: this configuration isn't secure for a production environment, and you would need to configure your firewall and change some of these settings to make it secure. This is for development only.
Now, as long as you're pointing at your host OS's IP address for your postgres URL and the user exists on the system and the role exists in the database, you'll be able to connect to the host database from the docker container. I also always bind an HTTP port, so this may come into play. I'd need to see your docker file to give any information on that.
You also need to allow the port on your firewall:
sudo ufw allow from 172.17.0.1/24 to any port 5432
If you don't care about security and the above still doesn't work, just open port 5432. Be aware that opening a port can be unsafe.

"psql: could not connect to server: Connection refused" Error when connecting to remote database

I am trying to connect to a Postgres database installed in a remote server using the following command:
psql -h host_ip -U db_username -d db_name
This is the error that occurs:
psql: could not connect to server: Connection refused
Is the server running on host "<host_ip>" and accepting
TCP/IP connections on port 5432?
Postgres installed version is 9.4.
Host operating system: Ubuntu 15.04
Client operating system: Centos 7
I already tried the following but the issue remains unresolved:
Edited pg_hba.conf file to include
host all all 0.0.0.0/0 md5
Edited 'postgresql.conf' and changed the listen parameter to
listen_addresses='*'
Restarted Postgres service.
Disabled firewall and iptables on host and client.
I checked by running the psql command locally and it worked.
I tried the second solution given in this question. Running nmap gave me the following output:
Starting Nmap 6.47 ( http://nmap.org ) at 2015-09-07 18:08 IST Nmap scan report for 10.17.250.250 Host is up (0.0000040s latency). Not shown: 997 closed ports PORT STATE SERVICE 22/tcp open ssh 25/tcp open smtp 80/tcp open http
Am I missing something? Hope someone can help.
cd /etc/postgresql/9.x/main/
open file named postgresql.conf
sudo vi postgresql.conf
add this line to that file
listen_addresses = '*'
then open file named pg_hba.conf
sudo vi pg_hba.conf
and add this line to that file
host all all 0.0.0.0/0 md5
It allows access to all databases for all users with an encrypted password
restart your server
sudo /etc/init.d/postgresql restart
Check the port defined in postgresql.conf. My installation of postgres 9.4 uses port 5433 instead of 5432
I have struggled with this when trying to remotely connect to a new PostgreSQL installation on my Raspberry Pi. Here's the full breakdown of what I did to resolve this issue:
First, open the PostgreSQL configuration file and make sure that the service is going to listen outside of localhost.
sudo [editor] /etc/postgresql/[version]/main/postgresql.conf
I used nano, but you can use the editor of your choice, and while I have version 9.1 installed, that directory will be for whichever version you have installed.
Search down to the section titled 'Connections and Authentication'. The first setting should be 'listen_addresses', and might look like this:
#listen_addresses = 'localhost' # what IP address(es) to listen on;
The comments to the right give good instructions on how to change this field, and using the suggested '*' for all will work well.
Please note that this field is commented out with #. Per the comments, it will default to 'localhost', so just changing the value to '*' isn't enough, you also need to uncomment the setting by removing the leading #.
It should now look like this:
listen_addresses = '*' # what IP address(es) to listen on;
You can also check the next setting, 'port', to make sure that you're connecting correctly. 5432 is the default, and is the port that psql will try to connect to if you don't specify one.
Save and close the file, then open the Client Authentication config file, which is in the same directory:
sudo [editor] /etc/postgresql/[version]/main/pg_hba.conf
I recommend reading the file if you want to restrict access, but for basic open connections you'll jump to the bottom of the file and add a line like this:
host all all all md5
You can press tab instead of space to line the fields up with the existing columns if you like.
Personally, I instead added a row that looked like this:
host [database_name] pi 192.168.1.0/24 md5
This restricts the connection to just the one user and just the one database on the local area network subnet.
Once you've saved changes to the file you will need to restart the service to implement the changes.
sudo service postgresql restart
Now you can check to make sure that the service is openly listening on the correct port by using the following command:
sudo netstat -ltpn
If you don't run it as elevated (using sudo) it doesn't tell you the names of the processes listening on those ports.
One of the processes should be Postgres, and the Local Address should be open (0.0.0.0) and not restricted to local traffic only (127.0.0.1). If it isn't open, then you'll need to double check your config files and restart the service. You can again confirm that the service is listening on the correct port (default is 5432, but your configuration could be different).
Finally you'll be able to successfully connect from a remote computer using the command:
psql -h [server ip address] -p [port number, optional if 5432] -U [postgres user name] [database name]
Make sure the settings are applied correctly in the config file.
vim /etc/postgresql/x.x/main/postgresql.conf
Try the following to see the logs and find your problem.
tail /var/log/postgresql/postgresql-x.x-main.log
Following configuration, you need to set:
To open the port 5432 edit your /etc/postgresql/9.1/main/postgresql.conf and change
# Connection Settings -
listen_addresses = '*' # what IP address(es) to listen on;
In /etc/postgresql/10/main/pg_hba.conf
# IPv4 local connections:
host all all 0.0.0.0/0 md5
Now restart your DBMS
sudo service postgresql restart
Now you can connect with
psql -h hostname(IP) -p port -U username -d database
Step 1: edit file potgresql.conf
file location should be : etc/postgresql/10/main/
Look for:
#Connection Settings -
#listen_addresses = '' # what IP address(es) to listen on;
remove # before listening addresses
add '*' :
listen_addresses = '*'
Step 2: edit file pg_hba.conf
file location should be : etc/postgresql/10/main/
add below given line at the end
host all all 0.0.0.0/0 md5
Step 3: restart postgres server
sudo /etc/init.d/postgresql restart
Step 4: check postgres server status
sudo netstat -plunt |grep postgres
Make sure you are using same port to access the DB
Mine was quite straightforward if you are on a Mac try:
brew install postgres
This will tell you if you have it already install and what version or install the latest version for you if not then run
brew upgrade postgresql
This will make sure you have the latest version installed then finally
brew services start postgresql
This will start the service again. I hope this helps someone.
I think you are using the machine-name instead of the ip of the host.
I got the same error when i tried with machine's name. Because, It is allowed only when both the client and host are under same network and they have the same Operating system installed.
In my case, I did not change azure default security policy in management portal. The original is port 22 allowed and the rest are all denied. As long as I add 5432 port, everything becomes good.
The following helped me on macos Mojave:
$sudo mv /usr/local/var/postgres /usr/local/var/postgres.save
$brew uninstall postgres
$brew install postgres
See the port and make a port change in postgresql.conf. My installation of postgres 9.4 uses port 5431 or 5434 instead of 5432.
If it say the port is in use so change the port.
And check if you give password in psql installation so give the password in file and save it.
In my case I had removed a locale and generated another locale. Database failed to open because of fatal errors in the postgresql.conf file, on 'lc_messages', 'lc_monetary', 'lc_numberic', and 'lc_time'.
Restoring the locale sorted it out for me.
Another situation,postgresql.confandpg_hba.conffile not locate at /etc/postgresql/9.1/main/.Because postgres can start at any location you set.
For example when you use command pg_ctl -D /tmp/pgsql/ start ,the postgresql.conf and pg_hba.conf will located at /tmp/pgsql/.
I had the exact same problem, with my configuration files correct. In my case the issue comes from the Eduroam wifi I used : when I connect via another wifi everything works. It seems that Eduroam blocks port 5432, at least in my university.
Try to migrate your database. For instance, if you are using Heroku to host your project and with Django, then try heroku run python manage.py migrate command; the error should go away.
I had a problem like this where I had to ssh into a server and than run a query in psql console so the query was in a script but everytime I got this error psql not found so what I did was just added the psql full path from the bin which we get from cat .bash_profile and its done
PATH=$PATH:/usr/local/pgsql/bin:/usr/local/mysql/bin
So I added the whole /usr/local/mysql/bin/psql intead of just psql for remote execution.
and another one here:
both host and remote are on real servers
you need '*' exactly.
'localhost , xxx.xxx.xxx.xxx' will not work. all these answers(i've seen two) should be wiped out.
what you don't need : host all all 0.0.0.0/0 md5 and this stuff
For me, I just removed the existing PostgreSQL 14 Server which was on the left-hand side of the pgAdmin4 GUI interface under the servers and then I manually added a new server from the option which is inside Quick Links of pgAdmin4.
I followed the documentation of bitnami.com.
I had a problem with access to external server via 5432.
I noticed that any network but mine saw the service
nmap server -p 5432
Fortunatelly, I recalled that I was playing with exposing my internal postgres server to outside world using my mikrotik router.
Somehow it effectively closed external 5432 for internal network.
As soon as I removed all nat rules with 5432 port - it worked like a charm.

Use a Vagrant machine as SFTP connection in NetBeans

I have a little trouble using NetBeans to work on my Vagrant virtual server. What I tried is to create a new PHP Project on a remote server, then NetBeans ask me for the connection so I created a new connection. For hostname I putted in 127.0.0.1 and as user vagrant I linked the private key file (generated by vagrant) and filled in the initial directory.
When I try to connect like this it asks me for the password for user vagrant (which I don't have, since it should provide the private key file...). With Vagrant I would need to connect to port 2222 instead of 22 for ssh connections anyway, so I changed the hostname to 127.0.0.1:2222. Now I get a java.net.UnknownHostException: 127.0.0.1:2222
Therefore the question: Was anyone of you able to connect to a vagrant machine with SFTP using NetBeans? If yes, how?
Note: Not sure if it's important, but I'm using an Ubuntu 14.04 machine and my NetBeans version is 8.0.2, I've installed the PHP/Web package.
I realize this was asked a long time ago, but it seems like other people have this issue as well. This works for me on my Mac:
Host: 127.0.0.1
Port: 2222
Protocol: SFTP
user: vagrant
pass: vagrant
You end up in the vagrant home directory /home/vagrant.

Authentication by identity file failed with error code -18

I received this error when trying to establish an SSH tunnel using pgAdmin3
I specified the private key location on my local machine (had to
enable hidden files on my Mac finder to see it),
entered the tunnel
host (used public host IP) and
checked the 'Identity file' option.
I don't have a password set on my key.
Received this error:
Authentication by identify file failed with error code -18
What am I doing wrong (or what do I need to do differently)?
I was getting this continously on windows (VM).
So I decided pgAdmin's built in ssh tunnel was no good and just used gSTM (On linux).
Forwarding the port from the remote server 5432 to local host 5555 worked.
Then I could just use pgAdmin III on Linux to connect.
You could probably use command line like this if you don't want to use a graphical tool such as gSTM.
ssh -fNg -L 5555:localhost:5432 {your_username}#{yourdomain.com}
Source: http://dustindavis.me/ssh-tunnel-in-pgadmin3-for-postgresql/
You can also use putty on windows to forward ports.
See Connection | SSH | Tunnels menu in the PuTTY Configuration.
http://www.akadia.com/services/ssh_putty.html
Then you can access it.
Of course be very carefull messing about in a remote database.
It is a good idea to label them a red or orange colour in pgAdmin to easily identify the ones that are not on your local network.