Sql server 无法连接:自适应服务器不可用或不存在
尝试连接远程SQL Server时:Sql server 无法连接:自适应服务器不可用或不存在,sql-server,freetds,Sql Server,Freetds,尝试连接远程SQL Server时: $tsql -S localhost -U myuser 我得到的错误如下: locale is "en_US.UTF-8" locale charset is "UTF-8" using default charset "UTF-8" Error 20009 (severity 9): Unable to connect: Adaptive Server is unavailable or does not exist OS error
$tsql -S localhost -U myuser
我得到的错误如下:
locale is "en_US.UTF-8"
locale charset is "UTF-8"
using default charset "UTF-8"
Error 20009 (severity 9):
Unable to connect: Adaptive Server is unavailable or does not exist
OS error 61, "Connection refused"
There was a problem connecting to the server
$tsql-C
的输出如下:
Compile-time settings (established with the "configure" script)
Version: freetds v0.91
freetds.conf directory: /usr/local/freetds/conf/freetds
MS db-lib source compatibility: no
Sybase binary compatibility: no
Thread safety: yes
iconv library: no
TDS version: 5.0
iODBC: no
unixodbc: no
SSPI "trusted" logins: no
Kerberos: no
我已经为远程服务器创建了隧道,如:
$ssh -L 1433:db_server:1433 user@mid_server
这将本地端口1433转发到db_服务器。我做了测试。我的ssh隧道可以工作,因为我可以使用Navicat(1433上的localhost)连接到数据库。我可以在端口1433上telnet localhost。我可以通过修改freetds.conf来实现它 从 到
在安装ASE16.0并在Ubuntu14.04LTS(客户端和服务器)上运行的情况下,这对我来说是可行的
- 服务器:确保服务器(sybaseServer)的/etc/hosts中有一个条目。在标准的Ubuntu14.04安装中,您不会发现这个,而是“127.0.1.1 sybaseServer”。但sybase似乎依赖于此
…
192.168.1.100 sybaseServer
…
- 客户端:freetds.conf中的条目是
主机=192.168.1.100
端口=5000
tds版本=5.0
现在您可以连接到服务器:
$tsql-S SYBASE-U sa
- 显然,您必须用自己的数据替换IP地址、服务器名等
[global]
# TDS protocol version
; tds version = 4.2
[global]
# TDS protocol version
tds version = 7.0