无效或已损坏的软件包 (PGP 签名)

无效或已损坏的软件包 (PGP 签名) 现象 提示:无效或已损坏的软件包 (PGP 签名)。出现Keys错误,签名失败,导致 ArchLinux/Manjaro 无法正常升级或者安装软件。 方法1: sud vim /etc/pacman.conf ... [archlinuxcn] SigLevel = Never #SigLevel的值改为 Never 或 Optional TrustAll ... sudo pacman -Syu 方法2: 1,移除旧的keys sudo rm -rf /etc/pacman.d/gnupg ...

May 17, 2020

Linux上的笔记软件和网盘--多平台同步解决方案

Linux上的笔记软件和网盘–多平台同步解决方案 支持云同步的笔记客户端 nixnote2 Nixnote2是evernote的第三方客户端通过API接口实现同步,不会占用免费用户的同步设备数量。 wiznote 为知笔记,优良的跨平台笔记软件,支持多级目录和多标签,以及markdown,试用100天。 有道云笔记 YNote...

August 16, 2018

Nginx 403 forbidden 问题全面解析

Nginx 403 forbidden 问题全面解析 2020/07/16 15:48:34 [error] 2220#0: *1 connect() failed (111: Connection refused) while connecting to upstream, client: 172.18.253.20, server: _, request: "GET / HTTP/1.1", upstream: "http://[::1]:8001/", host: "172.18.253.20" 2020/07/16 15:48:34 [error] 2221#0: *4 "/home/leion/www/nginx_server_8001/index.html" is forbidden (13: Permission denied), client: 127.0.0.1, server: _, request: "GET / HTTP/1.0", host: "172.18.253.20" 上面的报错有两个问题,第一个是 nginx 负载均衡连接上游失败connect() failed (111: Connection refused)也就是本地 IPv6 地址所在端口访问不通,在 server{} 块下启用listen [::]:8001;即可。 第二个问题是本节的重点403 forbidden (13: Permission denied)。 SELinux 状态...

August 16, 2018

USTC-Mirror_CentOS源&EPEL源

USTC-Mirror_CentOS源&EPEL源 CentOS 源 https://mirrors.ustc.edu.cn/centos/ 警告 操作前请做好相应备份。 对于 CentOS 8,使用以下命令替换默认的配置 ...

August 16, 2018

Elasticsearch cluster deploy

准备好deploy APP二进制包文件: curl -L -O https//artifacts.elastic.co/downloads/elasticsearch/elasticsearch-6.3.0.tar.gz curl -L -O https://artifacts.elastic.co/downloads/logstash/logstash-6.3.0.tar.gz curl -L -O https://artifacts.elastic.co/downloads/kibana/kibana-6.3.0-linux-x86_64.tar.gz curl -L -O https://artifacts.elastic.co/downloads/beats/filebeat/filebeat-6.3.0-linux-x86_64.tar.gz 创建普通用户:...

August 16, 2018

Filebeat deploy

准备好filebeat二进制包文件: curl -L -O https://artifacts.elastic.co/downloads/beats/filebeat/filebeat-6.3.0-linux-x86_64.tar.gz 创建启动APP的用户: id deploy &>/dev/null ; if [[ $? != "0" ]]; then useradd deploy; fi ...

August 16, 2018

Kafka cluster deploy

cd ~ mkdir -pv ~/kafka/kafka-logs curl -o kafka_2.12-1.1.0.tgz <https://mirrors.ustc.edu.cn/apache/kafka/1.1.0/kafka_2.12-1.1.0.tgz> tar xvf kafka_2.12-1.1.0.tgz -C ~/kafka 修改配置文件:...

August 16, 2018

Kibana deploy

准备好APP二进制包文件: curl -L -O <https://artifacts.elastic.co/downloads/kibana/kibana-6.3.0-linux-x86_64.tar.gz> 创建启动APP的用户: id deploy &>/dev/null ; if [[ $? != "0" ]]; then useradd deploy; fi 切换用户: su - deploy 创建APP目录:...

August 16, 2018

Logstash deploy

准备好ELK APP二进制包文件: curl -L -O <https://artifacts.elastic.co/downloads/logstash/logstash-6.3.0.tar.gz> wget <https://download.elastic.co/demos/logstash/gettingstarted/logstash-tutorial.log.gz> 创建普通用户: id deploy &>/dev/null ; if \[[ $? != "0" ]]; then useradd deploy; fi 切换用户elk: su - deploy 创建APP目录和数据目录:...

August 16, 2018

Zookeeper cluster deploy

mkdir -pv /opt/zookeeper/{zkdata,zkdatalog} curl -o /opt/zookeeper-3.4.12.tar.gz http://mirrors.ustc.edu.cn/apache/zookeeper/stable/zookeeper-3.4.12.tar.gz tar xvf /opt/zookeeper-3.4.12.tar.gz -C /opt/zookeeper/ cp /opt/zookeeper/zookeeper-3.4.12/conf/{zoo-example.cfg,zoo.cfg} ...

August 16, 2018