^
10 月 112021
^
命令行二维码工具qrencode包信息
[root@centos-s-1vcpu-1gb-nyc3-01 ~]# dnf info qrencode Last metadata expiration check: 0:00:11 ago on Wed 21 Apr 2021 01:24:40 AM UTC. Installed Packages Name : qrencode Version : 3.4.4 Release : 5.el8 Architecture : x86_64 Size : 35 k Source : qrencode-3.4.4-5.el8.src.rpm Repository : @System From repo : appstream Summary : Generate QR 2D barcodes URL : http://fukuchi.org/works/qrencode/ License : LGPLv2+ Description : Qrencode is a utility software using libqrencode to encode string data in : a QR Code and save as a PNG image. [root@centos-s-1vcpu-1gb-nyc3-01 ~]#
准备内容文件
[root@centos-s-1vcpu-1gb-nyc3-01 ~]# echo "https://www.baidu.com/" > url.txt [root@centos-s-1vcpu-1gb-nyc3-01 ~]# cat url.txt https://www.baidu.com/ [root@centos-s-1vcpu-1gb-nyc3-01 ~]#
生成文本二维码
202102
iptables示例
sudo iptables -A PREROUTING -t nat -i eth0 -p tcp --dport 80 -j REDIRECT --to-port 8080 sudo iptables -A PREROUTING -t nat -i eth0 -p tcp --dport 443 -j REDIRECT --to-port 8443
firewalld示例
# allow incoming connections on port 80. # You can also use --add-service=http instead of adding a port number sudo firewall-cmd --add-port=80/tcp --permanent sudo firewall-cmd --permanent \ --add-forward-port=port=80:proto=tcp:toaddr=127.0.0.1:toport=8080 # allow incoming connections on port 443. # You can also use --add-service=https instead of adding a port number sudo firewall-cmd --add-port=443/tcp --permanent sudo firewall-cmd --permanent \ --add-forward-port=port=443:proto=tcp:toaddr=127.0.0.1:toport=8443 sudo firewall-cmd --reload
内容引用:
https://www.jenkins.io/doc/book/system-administration/reverse-proxy-configuration-iptables/
安装阶段修改配置
[root@jenkins ~]# cd /var/lib/jenkins/ [root@jenkins jenkins]# cat hudson.model.UpdateCenter.xml <?xml version='1.1' encoding='UTF-8'?> <sites> <site> <id>default</id> <url>https://updates.jenkins.io/update-center.json</url> </site> </sites>[root@jenkins jenkins]# [root@jenkins jenkins]# cat hudson.model.UpdateCenter.xml <?xml version='1.1' encoding='UTF-8'?> <sites> <site> <id>default</id> <url>https://mirrors.tuna.tsinghua.edu.cn/jenkins/updates/update-center.json</url> </site> </sites> [root@jenkins jenkins]#
使用阶段修改配置
File -> Settings -> Project -> Python Interpreter -> Install -> Available Packages -> Manage Repositories https://mirrors.163.com/pypi/simple/ https://mirrors.ustc.edu.cn/pypi/web/simple https://pypi.tuna.tsinghua.edu.cn/simple https://mirrors.aliyun.com/pypi/simple/
https://ipinfo.io/developers
C:\Users\harveymei>curl ipinfo.io { "ip": "119.137.55.106", "city": "Shenzhen", "region": "Guangdong", "country": "CN", "loc": "22.5455,114.0683", "org": "AS4134 CHINANET-BACKBONE", "timezone": "Asia/Shanghai", "readme": "https://ipinfo.io/missingauth" } C:\Users\harveymei>