mongo查询某列
2022-07-06db.customer.find({“CId”:”04″},{‘uniqueCustomerId’:1})
db.getCollection(‘customer’).find({“companyId”:”04″},{‘uniqueCustomerId’:1}) 阅读全文...
zookeeper deleteall
2022-06-29delete /dubbo
Node not empty: /dubbo 阅读全文...
ssh -J 跳板机proxy
2022-06-291、一个跳板机
ssh -J “test@172.16.1.1:22” -p22 root@172.16.1.2
2、2个跳板机
ssh -J user1@host1:port1,user2@host2:port2 user3@host3:port3
3、openssh7.3 sshd_config 阅读全文...
mongodb6rc10 增加密码认证
2022-06-191、sed -i ‘s/fork: true/fork: false/g’ /data1/mongodb/config/*.conf;sed -i ‘s|\/log|\/logs|g’ /data1/mongodb/config/*.conf 阅读全文...
flashback table t1 to before drop;
2022-05-261、select ‘drop table ‘||tname||’;’ from tab;
drop table t1;
2、flashback table t1 to before drop; 阅读全文...
yum install OpenLDAP Server on RHEL8/Centos8
2022-05-22Current version: 2.4.59.1 阅读全文...
Linux OpenLAP 修改max open files
2022-05-08默认安装OpenLDAP,其max open files个数太小,设置为1024 阅读全文...
/var/log/journal日志清理
2022-04-14/var/log/journal日志清理 阅读全文...
608ZZ ABEC-7 轴承钢轴承
2022-03-08高速轮滑鞋滑板双翘板剪刀车扭扭车童车轮608ZZ RS工业轴承ABEC-7 【原装】608ZZ【8支装】 ABEC-7 阅读全文...
nacos授权
2022-02-22nacos.core.auth.enabled=true 阅读全文...
vi每个字中间加空格
2022-02-01vi每个字中间加空格
:%s/\([u4e00-\u9fa5]\)/\1 /g 阅读全文...
ssh -o StrictHostKeyChecking=no
2022-01-24-o StrictHostKeyChecking=no
scp -o StrictHostKeyChecking=no -P22 ${SHELL_FILE} root@${IP}:/root 阅读全文...
sed指定字符串后面添加
2021-12-21sed -i “/JAVA_OPT_EXT/a JAVA_OPT=\”\$\{JAVA_OPT\} –add-exports java.base\/jdk.internal.ref=ALL-UNNAMED\”” bin/runbroker.sh 阅读全文...
mysql批量drop table
2021-12-07SELECT concat(‘DROP TABLE IF EXISTS ‘, table_name, ‘;’) FROM information_schema.tables WHERE table_schema = ‘dbdb’; 阅读全文...
拼音输入法之u模式
2021-12-05win10中借助微软拼音输入法输入生僻字、和在u模式下输入特殊符号的方法 阅读全文...