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Commands
iostat -x 1 iotop lsblk lsblk -o NAME,SIZE,TYPE,MOUNTPOINT dmsetup ls lvdisplay cat /etc/fs...
OOM Score
修改 oom_score 可以在某些情况下有用,特别是在管理进程的内存回收优先级时。oom_score 是 Linux 内核用于选择哪个进程应该在内存不足时(触发 OOM Killer 时)被终...
Debian
Concept Software Source Configuration (/etc/apt/sources.list) Main Software Sources deb http://m...
VIP
背景 在使用 Ansible 安装 K8s 集群的时候,配置了 192.168.88.48 作为 VIP 的地址。 Errorscouldn't get current server API ...
SSH Tunnel
Kubernetes pod forward proxy. ssh -L 8080:localhost:8080 root@192.168.xx.xx
Scanner
Nmap Subfinder
Rsync
Configuration /etc/rsyncd.conf ## /etc/rsyncd: configuration file for rsync daemon mode --- ##...
netstat/lsof/ss
pgsql port is visible by lsof not netstat or ss k8s pod port is visible by netstat not lsof 这种差异主...
IPVS
POC Proxy
机器 poc-proxy 192.168.255.250 Nginx/etc/nginx/vhost IPTables iptables -t nat -L -n -v Chain PR...