Tricks
Clear File Content
Both methods can be used to clear a file's content, but they differ in implementation and details...
getent
If pod has no curl or nslookup, use getent instead. getent ahosts foobar.namespace.svc.cluster.lo...
System Profile
Centos echo -e "\n=== OS ===\n$(cat /etc/redhat-release)\n\n=== Kernel ===\n$(uname -r)\n\n=== C...
TCP Conn Test
code-praefect-86dc6b4f4f-ns6dj:~/code/code-gitaly# nc -zv code-gitaly-0-0 9999 code-gitaly-0-0 (1...
TCP/IP Pseudo Files in Bash
TCP/IP pseudo-files are a special feature in Bash that allow you to open network connections usin...
VIM
Paste Mode :set paste Space Tab set tabstop=4 " 设置 tab 键为 4 个空格 set shiftwidth=4 " 设置自动...