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原创 openstack tungsten fabric/contrail中虚拟机yum出现could not retrieve 14: curl#7 - “Failed to connect to
解决办法:检查TF的SNAT Port Translation Pools是否有数据
2021-12-28 10:57:16
11826
原创 Connection to libvirt failed: unable to connect to server at : Connection refused: libvirtError: una
参考该文章:Failed to acquire pid file ‘/var/run/libvirtd.pid’: Resource temporarily unavailable
2021-10-26 11:00:18
747
原创 Failed to acquire pid file ‘/var/run/libvirtd.pid’: Resource temporarily unavailable
参考:https://blog.youkuaiyun.com/wuliangtianzu/article/details/109489649或者mv /var/run/libvirtd.pid /var/run/libvirtd.pid.backupsystemctl stop libvirtdsystemctl start libvirtdmv /var/run/libvirtd.pid /var/run/libvirtd.pid.oldmv /var/run/libvirtd.pid.backup /
2021-09-30 15:28:30
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原创 k8s pod status nodelost pending
解决办法:使用kubectl get node检查从节点是否加入master,若没有,使用kubeadm join指令加入,应该能解决。
2021-08-30 15:13:20
363
原创 Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures
openstack创建实例时报错:Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 51ea72a4-db11-4756-b2e4-921aa7c7281e解决:1、修改compute节点的nova.conf文件,增加:[libvirt]virt_type = qemu2、 重启nova-compute组件使修改生效参考自:
2021-08-17 10:30:29
9184
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原创 grub:Minimal BASH-like line editing is supported-解决思路
检查先前是否出现过:DRACUT-INITQUEUE TIMEOUT 错误如有,参考如下链接:https://www.cnblogs.com/zyb2016/p/12149630.html
2021-07-10 10:33:20
1309
原创 load_entry_point(‘pip==21.1.3‘, ‘console_scripts‘, ‘pip‘)()
报错:Traceback (most recent call last): File "/usr/bin/pip", line 9, in <module> load_entry_point('pip==21.1.3', 'console_scripts', 'pip')() File "/usr/lib/python2.7/site-packages/pkg_resources.py", line 378, in load_entry_point return get_distribut
2021-06-30 22:49:17
1601
原创 Disk for DB is too low. Cassandra state detected DOWN. Disk space for DB not retrievable
报错:== Contrail database ==nodemgr: initializing (Disk for DB is too low. Cassandra state detected DOWN. Disk space for DB not retrievable. )query-engine: initializingcassandra: inactive使用docker logs查看容器日志,error如下:ERROR [main] 2021-04-23 09:22:1
2021-04-23 23:15:07
318
原创 CNI及其在K8S中的应用
参考:CNI:容器网络接口从零开始入门 K8s | 理解 CNI 和 CNI 插件CNI - Container Network Interface(容器网络接口)CNI和CNMCNI(Conteinre Network Interface) 是 google 和 CoreOS 主导制定的容器网络标准,旨在为容器平台提供网络的标准化。不同的容器平台(比如目前的 kubernetes、mesos 和 rkt)能够通过相同的接口调用不同的网络组件。CNI由一组用于配置 Linux 容器的网络接口.
2020-12-18 15:24:45
482
原创 K8s宣布弃用Docker的背后及其相关技术(容器运行时、CRI、OCI)
K8s宣布弃用Docker,千万别慌! 容器运行时从docker到containerd的迁移
2020-12-18 11:23:53
505
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原创 tungsten fabric:initializing (NTP state unsynchronized.)
解决:apt install ntpvim/etc/ntp.conf添加:# Specify one or more NTP servers.server ntp.juniper.net参考自:https://kb.juniper.net/InfoCenter/index?page=content&id=KB30672&cat=SOFTWARE_DEFINED_NETWORKING&actp=LIST
2020-12-09 14:16:13
142
原创 重装copytranslator
删除C:/users/你的用户名/copytranslator 这个文件夹,重新安装https://blog.youkuaiyun.com/tianweidadada/article/details/102641908
2020-12-06 21:31:09
616
原创 kubeadm init:couldn‘t initialize a Kubernetes cluster
Unfortunately, an error has occurred: timed out waiting for the conditionThis error is likely caused by: - The kubelet is not running - The kubelet is unhealthy due to a misconfiguration of the node in some way (required cgroups disabled)If you are
2020-12-05 12:59:26
3534
原创 重装mysql:因问题mysql56,1085,10061
出现以下问题:windows无法启动mysql56服务(位于本地计算机)错误1067:进程意外终止,这是什么问题?解决Can’t connect to MYSQL server on “ip address”(10061)发生系统错误 1058。 无法启动服务,原因可能是已被禁用或与其相关联的设备没有启下载压缩包形式的mysql解压到任意位置,我这里文件夹名字改为mysql-5.6.49-winx64配置环境变量,打开控制面板->系统和安全->系统->高级系统设置
2020-11-04 22:04:15
297
原创 利用阿里云创建镜像仓库
阿里云官网:https://www.aliyun.com/在阿里云官网注册账号,然后进入控制台选择容器镜像服务创建命名空间创建镜像仓库选择命名空间,仓库类型(设为私有的话,镜像貌似不能随意拉取)点管理按以下步骤将镜像上传至个人阿里云镜像库...
2020-10-15 20:51:30
963
原创 访问tomcat:curl: (56) Recv failure: Connection reset by peer
创建启动tomcat时不加/bin/bash
2020-10-13 15:05:09
2917
原创 反复出现:The connection to the server x..x:6443 was refused - did you specify the right host or
在所有节点重启kubelet试试:sudo systemctl restart kubelet.service
2020-10-12 16:09:56
8435
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原创 新建module,文件夹皆为灰色
首先检查maven处相应的module是否为灰色,如果为灰色,原因可能是maven忽略了这个模块,参考以下链接可解决:idea中maven聚合项目的Module变灰的可能原因
2020-10-11 16:03:36
1702
原创 Could not autowire. No beans of ‘xxxx‘ type found(2.2.3 feign的客户端)
注解改为:@Autowired(required = false)参考:IntelliJ Idea 解决 Could not autowire. No beans of ‘xxxx’ type found 的错误提示
2020-10-07 10:19:47
492
原创 阿里云镜像加速器的使用
[加速器使用:加快镜像下载速度](https://www.cnblogs.com/joyny/p/10486739.html)
2020-10-05 16:52:08
353
原创 5.3.3 cannot resolve method ‘getinstances(java.lang.string)‘
原因:DiscoveryClient包错导为import com.netflix.discovery.DiscoveryClient;实际上应为import org.springframework.cloud.client.discovery.DiscoveryClient;
2020-10-03 20:59:31
648
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原创 5.3.1 org.springframework.cloud:spring-cloud-starter-netflix-eureka-server:unknown
5.3.1 搭建EurekaServer出现依赖无法导入:org.springframework.cloud:spring-cloud-starter-netflix-eureka-server:unknown解决:将<spring-cloud.version>Finchley.RC2</spring-cloud.version>改为<spring-cloud.version>Finchley.SR2</spring-cloud.version>同
2020-10-03 14:09:34
757
原创 linux/ubuntu命令行登录校园网
方法一:登录curl 'http://登录IP/login' --data 'user=用户名&pass=密码'登出curl -L http://登录IP/logout参考:https://www.jianshu.com/p/220b0159965e方法二:使用纯文本模式的网页浏览器lynx:Linux lynx的安装和介绍...
2020-10-03 10:37:03
8103
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原创 vim出现insert(visual)问题
执行vim ~/.vimrc编辑~/.vimrc往里添加并保存即可:set clipboard=unnamed
2020-10-01 11:30:23
2029
原创 vim复制转帖格式错乱
解决:命令模式下,运行:set paste然后按a或i转到普通模式粘贴即可最后还需要按ESC键退回命令模式,运行:set nopaste参考:https://www.cnblogs.com/jianyungsun/archive/2012/07/31/2616671.html
2020-10-01 11:26:54
230
原创 Failed to create pod sandbox: open /run/systemd/resolve/resolv.conf: no such file or directory
将master上对应目录/run/systemd/resolve/resolv.conf文件复制一份到子节点上即可。如还不行,可试下如下方法:1、首先kubectl -n kube-system edit configmap coredns2、然后注释掉loop3、最后kubectl -n kube-system delete pod -l k8s-app=kube-dns...
2020-09-29 10:56:04
5162
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原创 树莓派自带SSH server,但默认关闭,需手动开启ssh
命令行输入sudo raspi-config选择Interfacing Options选择SSH项enable
2020-09-29 10:08:56
690
原创 controller-manager Unhealthy Get “http://127.0.0.1:10252/healthz“: dial tcp 127.0.0.1:10252: conne
参考:https://blog.youkuaiyun.com/cymm_liu/article/details/108458197问题:controller-manager Unhealthy Get “http://127.0.0.1:10252/healthz”: dial tcp 127.0.0.1:10252: connect: connection refusedscheduler Unhealthy Get “http://127.0.0.1:10251/heal
2020-09-24 14:39:16
8286
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原创 xshell连接装有ubuntu的树莓派报错:Socket error Event: 32 Error: 10053. Connection closing...Socket close.
ssh连接:Socket error Event: 32 Error: 10053.
2020-09-23 15:06:19
838
原创 win10装VNC Viewer控制ubuntu(含桌面)、VNC Viewer黑屏问题、VNC Viewer复制粘贴
[win10用vncviewer远程登陆ubuntu桌面](https://blog.youkuaiyun.com/weixin_41803874/article/details/81042115)注意:连接时VNC Viewer的VNC Server填的应是IP:端口(如192.168.1.10:5092)vncviewer黑屏问题解决[vncviewer黑屏问题解决](https://blog.youkuaiyun.com/qq_33854260/article/details/82221544)VNC Vie
2020-09-22 11:04:31
861
原创 tmall_springboot:template might not exist or might not be accessible by any of the configured...
报错:org.thymeleaf.exceptions.TemplateInputException: Error resolving template “admin/listCategory”, template might not exist or might not be accessible by any of the configured Template Resolvers原因:本意是想建多级目录templates/admin,但New -> Directory时像建packa
2020-09-20 16:57:12
164
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