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Brew Link
Switch Version brew unlink go brew link --overwrite go@1.20 --force
NFS Mount Failed
背景 香蕉集群的 PV 持载 NFS 192.168.80.50 失败，报错。 Mounting arguments: -t nfs 192.168.80.50:/scan-download-...
NAT loopback
AWS NLB Troubleshooting Connections time out for requests from a target to its load balancer. Che...
Memory Pagesize
某些 ARM 机器的内存分页为 64K，会导致 C 语言编写的程序无法运行，因为一般编译的时候宿主机器的分页为 4K，可以使用下面的命令查看。 getconf PAGESIZE macOS 也...
Inodes Are Exhausted
Errors Tabcannot create temp file for here-document: No space left on device docker exec -it f1...
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...
TCP/IP Pseudo Files in Bash
TCP/IP pseudo-files are a special feature in Bash that allow you to open network connections usin...
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...