在Ubuntu上使用pgAdmin时,可能会遇到各种错误代码和连接问题。以下是一些常见的错误及其解决方法:
psql: could not connect to server: Connection refused Is the server running on host "my host name" (IP) and accepting TCP/IP connections on port 5432?sudo systemctl status postgresqlpg_hba.conf文件,确保允许来自所有IP的连接(0.0.0.0/0)sudo systemctl restart postgresqlserver closed the connection unexpectedly This probably means the server terminated abnormally/var/log/postgresql/postgres.log和/var/log/pgadmin/pgadmin4.logsudo ufw allow 5432password incorrectPgAdmin Runtime Environment Python Path~/.pgadmin和~/.pgadmin4文件夹后重新启动pgAdmin修改配置文件:
/etc/pgadmin4/pgadmin4.conf或/etc/pgadmin/pgadmin4.conf),确保listen_addresses包含服务器IP地址或0.0.0.0,以允许来自任何IP的连接。重新安装pgAdmin:
sudo apt-get remove pgadmin4
wget https://dl.pgadmin.org/pub/pgadmin/pgadmin4/v4.26.0/linux-x64/pgadmin4-4.26.0-linux-x64.tar.gz
tar -xvf pgadmin4-4.26.0-linux-x64.tar.gz
sudo mv pgadmin4 /usr/share/pgadmin
如果问题仍然存在,请提供更多的错误信息,以便进一步诊断和解决。