Mongodb 启动mongod.service失败:找不到单元mongod.service
我遵循MongoDB安装Ubuntu 16.04中提到的所有步骤 步骤1:Mongodb 启动mongod.service失败:找不到单元mongod.service,mongodb,ubuntu,ubuntu-16.04,Mongodb,Ubuntu,Ubuntu 16.04,我遵循MongoDB安装Ubuntu 16.04中提到的所有步骤 步骤1: sudo apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv 2930ADAE8CAF5059EE73BB4B58712A2291FA4AD5 echo "deb [ arch=amd64,arm64 ] https://repo.mongodb.org/apt/ubuntu xenial/mongodb-org/3.6 multiverse" |
sudo apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv 2930ADAE8CAF5059EE73BB4B58712A2291FA4AD5
echo "deb [ arch=amd64,arm64 ] https://repo.mongodb.org/apt/ubuntu xenial/mongodb-org/3.6 multiverse" | sudo tee /etc/apt/sources.list.d/mongodb-org-3.6.list
sudo apt-get update
sudo apt-get install -y mongodb-org
sudo service mongod start
sudo service mongod start
步骤2:
sudo apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv 2930ADAE8CAF5059EE73BB4B58712A2291FA4AD5
echo "deb [ arch=amd64,arm64 ] https://repo.mongodb.org/apt/ubuntu xenial/mongodb-org/3.6 multiverse" | sudo tee /etc/apt/sources.list.d/mongodb-org-3.6.list
sudo apt-get update
sudo apt-get install -y mongodb-org
sudo service mongod start
sudo service mongod start
步骤3:
sudo apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv 2930ADAE8CAF5059EE73BB4B58712A2291FA4AD5
echo "deb [ arch=amd64,arm64 ] https://repo.mongodb.org/apt/ubuntu xenial/mongodb-org/3.6 multiverse" | sudo tee /etc/apt/sources.list.d/mongodb-org-3.6.list
sudo apt-get update
sudo apt-get install -y mongodb-org
sudo service mongod start
sudo service mongod start
步骤4:
sudo apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv 2930ADAE8CAF5059EE73BB4B58712A2291FA4AD5
echo "deb [ arch=amd64,arm64 ] https://repo.mongodb.org/apt/ubuntu xenial/mongodb-org/3.6 multiverse" | sudo tee /etc/apt/sources.list.d/mongodb-org-3.6.list
sudo apt-get update
sudo apt-get install -y mongodb-org
sudo service mongod start
sudo service mongod start
步骤5:
sudo apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv 2930ADAE8CAF5059EE73BB4B58712A2291FA4AD5
echo "deb [ arch=amd64,arm64 ] https://repo.mongodb.org/apt/ubuntu xenial/mongodb-org/3.6 multiverse" | sudo tee /etc/apt/sources.list.d/mongodb-org-3.6.list
sudo apt-get update
sudo apt-get install -y mongodb-org
sudo service mongod start
sudo service mongod start
当我启动MongoDB时,出现了一个错误:
启动mongod.service失败:找不到单元mongod.service。
我想你缺了一个b
sudo service mongod start
应该是
sudo service mongodb start
我想是这样的吗?请按照以下步骤操作,它应该可以工作 1-完全卸载当前安装 来源- 删除包
sudo apt-get purge mongodb-org*
删除文件夹
sudo rm -r /var/log/mongodb
sudo rm -r /var/lib/mongodb
2-按照官方网站上的描述重新安装,我将只写下所有步骤
导入公钥
sudo apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv 2930ADAE8CAF5059EE73BB4B58712A2291FA4AD5
为Ubuntu 16.04创建一个列表文件
echo "deb [ arch=amd64,arm64 ] https://repo.mongodb.org/apt/ubuntu xenial/mongodb-org/3.6 multiverse" | sudo tee /etc/apt/sources.list.d/mongodb-org-3.6.list
更新列表
sudo apt-get update
安装最新的软件包
sudo apt-get install -y mongodb-org
3-现在它应该可以工作了,请尝试下面的命令
sudo service mongod start
并检查状态
mongo
MongoShell很可能是单元mongodb.service被屏蔽了。使用以下命令来解除它的掩码
sudo systemctl取消蒙版mongod
并重新运行
sudo服务mongod start
只需使用以下命令进行尝试:
$ sudo systemctl enable mongod
请注意,如果使用针对Linux的Windows子系统,则不支持systemd,因此像
systemctl
这样的命令将不起作用:
无法连接到总线:没有这样的文件或目录
sudo gedit /etc/init.d/custom-mongo-fix.sh
请参见GitHub上的Microsoft/WSL
当然,mongo服务器仍然可以通过
mondgod
手动启动以进行开发。[Solution]
打字
sudo mongod
它会工作。启动mongod.service失败:找不到单元mongod.service 如果您正在关注官方文档,并且遇到上面的错误,这意味着mongod.service尚未在您的计算机上启用(我指的是Ubuntu 16.04)。您需要使用以下命令来执行此操作
sudo systemctl enable mongod.service
现在,您可以使用以下命令启动mongodb
sudo systemctl enable mongod.service
当我开始使用上面的命令时,状态为active(活动)我很长一段时间都遇到了相同的错误,在google上尝试了几乎所有的安装,但找不到答案 我按照中的说明进行操作,但不断收到错误,无法启动mongod.service:找不到Unit mongod.service 我首先使用:sudoapt-get-y mongodb-org安装 然后注意到当我跑步时:
$ sudo apt-get install -y mongodb-org
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following additional packages will be installed:
mongodb-org-mongos mongodb-org-shell mongodb-org-tools
The following NEW packages will be installed
mongodb-org mongodb-org-mongos mongodb-org-shell mongodb-org-tools
0 to upgrade, 4 to newly install, 0 to remove and 46 not to upgrade.
Need to get 0 B/40.1 MB of archives.
After this operation, 178 MB of additional disk space will be used.
Selecting previously unselected package mongodb-org-shell.
(Reading database ... 379307 files and directories currently installed.)
Preparing to unpack .../mongodb-org-shell_4.0.3_amd64.deb ...
Unpacking mongodb-org-shell (4.0.3) ...
Selecting previously unselected package mongodb-org-mongos.
Preparing to unpack .../mongodb-org-mongos_4.0.3_amd64.deb ...
Unpacking mongodb-org-mongos (4.0.3) ...
Selecting previously unselected package mongodb-org-tools.
Preparing to unpack .../mongodb-org-tools_4.0.3_amd64.deb ...
Unpacking mongodb-org-tools (4.0.3) ...
Preparing to unpack .../mongodb-org_4.0.3_amd64.deb ...
Unpacking mongodb-org (4.0.3) ...
Setting up mongodb-org-shell (4.0.3) ...
Setting up mongodb-org-mongos (4.0.3) ...
Processing triggers for man-db (2.8.3-2ubuntu0.1) ...
Setting up mongodb-org-tools (4.0.3) ...
Setting up mongodb-org (4.0.3) ...
$ mongod --version
db version v2.6.12
2018-10-26T12:03:12.362+0200 git version: d73c92b1c85703828b55c2916a5dd4ad46535f6a
db版本是2.6.12,而不是最新的4.0.3。
因此,请确保尚未安装mongodb org server,如果是,请确保将其更新到目标版本(如所示@->步骤4-安装特定版本的mongodb)
目标_版本=4.0.3
sudo apt get install-y mongodb org=target\u version mongodb org server=target\u version mongodb org shell=target\u version mongodb org mongos=target\u version mongodb org tools=target\u version
$ sudo apt-get install -y mongodb-org=4.0.3 mongodb-org-server=4.0.3 mongodb-org-shell=4.0.3 mongodb-org-mongos=4.0.3 mongodb-org-tools=4.0.3
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following NEW packages will be installed
mongodb-org mongodb-org-mongos mongodb-org-shell mongodb-org-tools
The following packages will be upgraded:
mongodb-org-server
1 to upgrade, 4 to newly install, 0 to remove and 45 not to upgrade.
Need to get 15.7 MB/55.8 MB of archives.
After this operation, 217 MB of additional disk space will be used.
Get:1 https://repo.mongodb.org/apt/ubuntu bionic/mongodb-org/4.0/multiverse amd64 mongodb-org-server amd64 4.0.3 [15.7 MB]
Fetched 15.7 MB in 2s (6,289 kB/s)
Selecting previously unselected package mongodb-org-shell.
(Reading database ... 379306 files and directories currently installed.)
Preparing to unpack .../mongodb-org-shell_4.0.3_amd64.deb ...
Unpacking mongodb-org-shell (4.0.3) ...
**Preparing to unpack .../mongodb-org-server_4.0.3_amd64.deb ...
Failed to stop mongod.service: Unit mongod.service not loaded.
invoke-rc.d: initscript mongod, action "stop" failed.
dpkg: warning: old mongodb-org-server package pre-removal script subprocess returned error exit status 5
dpkg: trying script from the new package instead ...
dpkg: ... it looks like that went OK
Unpacking mongodb-org-server (4.0.3) over (2.6.12) ...**
Selecting previously unselected package mongodb-org-mongos.
Preparing to unpack .../mongodb-org-mongos_4.0.3_amd64.deb ...
Unpacking mongodb-org-mongos (4.0.3) ...
Selecting previously unselected package mongodb-org-tools.
Preparing to unpack .../mongodb-org-tools_4.0.3_amd64.deb ...
Unpacking mongodb-org-tools (4.0.3) ...
Preparing to unpack .../mongodb-org_4.0.3_amd64.deb ...
Unpacking mongodb-org (4.0.3) ...
Processing triggers for ureadahead (0.100.0-20) ...
Setting up mongodb-org-shell (4.0.3) ...
Setting up mongodb-org-mongos (4.0.3) ...
Processing triggers for systemd (237-3ubuntu10.3) ...
Processing triggers for man-db (2.8.3-2ubuntu0.1) ...
Setting up mongodb-org-tools (4.0.3) ...
Setting up mongodb-org-server (4.0.3) ...
Installing new version of config file /etc/mongod.conf ...
Setting up mongodb-org (4.0.3) ...
做了这些之后,我觉得一切都很好:D可能是您使用了错误版本的mongodb列表文件。我遇到了这个问题,但这是我的错误,没有为Ubuntu 16.04选择正确的列表文件。默认选择的是Ubuntu 14.04,这就是我出错的原因:“启动mongod.service失败:找不到UnitMongod.service。”
对于Ubuntu 16.04.5,注意到MongoDB安装不会在安装后自动启用mongod.service文件(在我的情况下,是在我安装了多台服务器之后),因此我们需要像下面这样启用它: 下面的问题用于检查mongod是否已启用
systemctl list-unit-files --type=service
如果显示为“禁用”,则需要启用它
sudo systemctl enable mongod.service
如果要查看mongod.service文件是否存在,以防该文件丢失,请签入
ls /lib/systemd/system
您将看到一个文件
/lib/systemd/system/mongod.service
为了解决无法在ubuntu 16.04上启动mongodb的问题 1) 查看mongodb日志文件 2) 我们发现错误是由于“未能取消套接字文件/tmp/mongodb-27017的链接” 3) 查看文件/tmp/mongdb-27017.lock的权限 并发现所有者是root而不是mongodb 4) 手动删除/tmp/mongodb-27017.sock文件并使用命令 “sudo chown mongodb:mongodb/tmp/mongodb*” 5) 使用systemcl启动服务,并使用netstat检查端口27017上是否启动了mongdob 学分:
我刚刚在parrot操作系统上遇到了这个问题,我就是这样解决的
sudo service mongodb start
以下步骤帮助我解决了无法在Ubuntu服务器18.04 LTS上启动mongodb的问题 步骤1:首先,从先前版本中删除MongoDB(如果已安装):
sudo apt remove——自动删除mongodb org
步骤2:删除任何mongodb回购列表文件:
sudo rm /etc/apt/sources.list.d/mongodb*.list
sudo apt update
步骤3:导入包管理系统使用的公钥:
sudo apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv 9DA31620334BD75D9DCB49F368818C72E52529D4
步骤4:为MongoDB创建列表文件:
echo "deb [ arch=amd64 ] https://repo.mongodb.org/apt/ubuntu bionic/mongodb-org/4.0 multiverse" | sudo tee /etc/apt/sources.list.d/mongodb-org-4.0.list
步骤5:重新加载本地包数据库:
sudo apt-get update
步骤6:安装MongoDB软件包:
sudo apt-get install -y mongodb-org
步骤7:启动MongoDB:
sudo service mongod start
步骤8:开始使用MongoDB:
mongo
希望它能帮助您。只需按照以下命令操作即可。这对我很有效
sudo service mongod stop
sudo apt-get purge mongodb-org
sudo rm -r /var/log/mongodb
sudo rm -r /var/lib/mongodb
sudo apt update
sudo apt install -y mongodb**
sudo systemctl daemon-reload
sudo systemctl start mongod
sudo systemctl enable mongod
注意:数据库服务器在安装后自动启动sudo systemctl status mongodb
您将看到以下输出:
mongodb.service - An object/document-oriented database
Loaded: loaded (/lib/systemd/system/mongodb.service; enabled; vendor preset: enabled)
Active: active (running) since Sat 2018-05-26 07:48:04 UTC; 2min 17s ago
Docs: man:mongod(1)
Main PID: 2312 (mongod)
Tasks: 23 (limit: 1153)
CGroup: /system.slice/mongodb.service
└─2312 /usr/bin/mongod --unixSocketPrefix=/run/mongodb --config /etc/mongodb.conf**
在某些情况下,出于某些安全原因,该装置会被标记为屏蔽。这种状态比被禁用时甚至无法手动启动服务强得多 要检查此情况,请运行以下命令:
systemctl列出单位文件| grep mongod
如果您发现类似的情况:
mongod.service masked
然后,您可以通过以下方式解除单元的掩码:
sudo systemctl取消蒙版mongod
然后您可能需要启动该服务
#!/bin/bash
# mongodb fix
sudo mkdir /var/lib/mongodb
sudo mkdir /var/log/mongodb
sudo chown -R mongodb:mongodb /var/log/mongodb
sudo chown -R mongodb:mongodb /var/log/mongodb
sudo systemctl start mongod
"Failed to restart mongodb.service: Unit mongodb.service not found."
sudo systemctl restart mongodb