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TCP Conn Test
code-praefect-86dc6b4f4f-ns6dj:~/code/code-gitaly# nc -zv code-gitaly-0-0 9999 code-gitaly-0-0 (1...
System Profile
Centos echo -e "\n=== OS ===\n$(cat /etc/redhat-release)\n\n=== Kernel ===\n$(uname -r)\n\n=== C...
getent
If pod has no curl or nslookup, use getent instead. getent ahosts foobar.namespace.svc.cluster.lo...
Clear File Content
Both methods can be used to clear a file's content, but they differ in implementation and details...
Logical Volume Manager
LVM 是 Logical Volume Manager(逻辑卷管理器)的缩写。 它是一种在 Linux 系统中管理磁盘存储空间的技术,主要功能包括: 把多个物理磁盘或磁盘分区(Physica...
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 ...
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Rsync
Configuration /etc/rsyncd.conf ## /etc/rsyncd: configuration file for rsync daemon mode --- ##...