Less than 1 minute
blog
source code for this blog
Commands
a set of commands for shell, java, git and so on
Qemu
QEMU is a generic and open source machine & userspace emulator and virtualizer
Linux
Linux is a family of open-source Unix-like operating systems based on the Linux kernel, an operating system kernel first released by Linus Torvalds
Docker
Docker is a set of platform as a service (PaaS) products that use OS-level virtualization to deliver software in packages called containers
Kubernetes
Kubernetes is an open-source system for automating deployment, scaling, and management of containerized applications
Data-Lake
A data lake is a centralized repository that allows you to store all your structured and unstructured data at any scale
about me
about me
Less than 1 minute
Wang Zhi
- email: ben.wangz@foxmail.com
- blog: https://blog.geekcity.tech
Summary
- experienced Java developer with 8+ years of expertise in designing and implementing scalable data processing platforms.
- proficient in Apache Flink, Kubernetes, and handling large volumes of data.
- proven ability to lead teams and deliver high-performance systems.
- achieved developing data processing platforms for various companies, including Alibaba Group, ZhejiangLab and tianrang-inc.
About 3 min
what
- record some useful commands
Less than 1 minute
init global config
git config --global user.name "ben.wangz"
git config --global user.email ben.wangz@foxmail.com
git config --global pager.branch false
git config --global pull.ff only
git --no-pager diff
Less than 1 minute
show gc info
jstat -gcutil $pid 1000 100
Less than 1 minute
completion for bash
source<(kubectl completionbash)
port forwarding
Less than 1 minute
install rosetta for apple m1 chip
/usr/sbin/softwareupdate --install-rosetta --agree-to-license
mac chrome access https with self-signed certificate
just type thisisunsafe after open the website
Less than 1 minute
show transaction info
select
trx_id,
trx_started,
trx_wait_started,
trx_mysql_thread_id,
trx_query,
trx_operation_state,
trx_tables_locked
from information_schema.INNODB_TRX;
Less than 1 minute
I need a random string(including digits)
python -c "import random;import string;print(''.join(random.sample(string.ascii_letters + string.digits, 8)))"
Less than 1 minute