当我们打开系统输入hadoop启动命令start-all.sh时出现以下错误: [root@master ~]# start-all.shstarting namenode, logging to /usr/local/hadoop/libexec/../logs/hadoop-root-namenode-master.out master: ssh: connect tohostmaster port22: Network is unreachable master: ssh: connect tohostmaster port22...
[kingbase@node1 bin]$ ./sys_backup.shstopDisable all sys_rmanincrontab-daemonssh:connecttohost192.168.7.248port22: Connection refusedssh:connecttohost192.168.7.248port22: Connection refusedssh:connecttohost192.168.7.248port22: Connection refused === 如上所示,在通过sys_backup.sh基于集群环境做备份时,...
请参阅 以获得帮助导致错误的代码是dsn_tns = cx_Oracle.makedsn(host='',port='',service_name=‘) conn =cx_Oracle.connect(用户=’‘,密码=’‘,dsn=dsn_tns) 使用cx_Oracle库这是我的lib文件夹 $ ls 浏览6提问于2020-06-25得票数 1 1回答 Drupal 7:无法检测到mpdf库的版本 、、 ...
to avoid use osx native tools add this to your ps4dev.sh environment script only for osx using my configuration: PATH=$PS4DEV/host-osx/x86_64-pc-freebsd9/bin:$PS4DEV/toolchain/bin:$PATH clang is searching for orbis-ld when you compile to fix that : cd /usr/local/ps4dev/host-osx...
ssh-socks5-proxy-connect(1) ssh(1) start(1) start_erl(1) start_webtool(1) startx(1) stat(1) states(1) stdbuf(1) stdpods(1) stop(1) strchg(1) strconf(1) stream(1) strings(1) strings(1g) strip(1) stty(1) stty(1B) stty(1g) sum(1) sum(1B) sum(1g) sun(1) suspend...
I’m learning MongoDB and set up an Atlas account. I’m trying to connect to my database using mongosh, allowed all IPs, set up my user and password credentials but I’m getting an error: MongoServerSelectionError: Hostname/IP does not match certific...
Hadoop在执行start-dfs.sh时,会报“pdsh@localhost connect: Connection refused”的错误(其中的localhost也可以是hostname) 很多文章都提及export PDSH_RCMD_TYPE=ssh能解决问题,但该方法对新版无效。 新版有2个方法解决,都是通过修改$HADOOP_HOME/libexec/hadoop-functions.sh文件。
我想要将文本文件数据导出到MySQL数据库中 import MySQLdb import re conn = MySQLdb.connect (host = "127.0.0.1", user = "root", passwd = "123456") mycursor =conn.cursor() mycursor.execute("CREATE DATABASE IF NOT EXISTS EMP") mycursor.execute("USE EMP") mycursor.execute("CRE 浏览...
@stefanbenten happens to be a maintainer of this repositoryandthe person who host a well known public installation of the software in the repo. The two are anyway unrelated, and the repo is not the place to direct requests and issues for any of the pubblic installation. ...
Connect to the MySQL server on the given host. On Windows, if you specify --host=. or -h . (giving the host name as a period), MySQL Shell connects using the default named pipe (which has the name MySQL), or an alternative named pipe that you specify using the --socket option. ...