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Ubuntu crontab

　
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Sudo apt get install postfix - y Internet Site default configuration can sudo systemctl restart postfix enable cron run log/var/log/cron.log sudo vim/etc/rsy read the whole passage

Linux Modify System Time Zone

　
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Modify the system time zone UTC time zone sudo timedatectl set timezone UTC modify the system time zone Asia Shanghai time zone sudo timedatectl set timezone Asia/Shanghai

Fnm management node version

　
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Install fnm curl - fsSL on linux https://fnm.vercel.app/install |Bash install node fnm install 16 with fnm

Customized and personalized history

　
Comment closed 　 1293 views

Add the login IP address, execution time and other information for the historical commands: 1) Save 10000 commands sed - i's/^ HISTSIZE=1000/HISTSIZE=10000/g '/etc/profile 2) Add the following lines of configuration information at the end of the/etc/profile file: USER_ read the whole passage

Linux History Optimization

　
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#Modify the maximum number of command records in history echo "export HISTSIZE=99999">>~/. bash_profile # Modify the number of records in the. bash_history file echo "export HISTFILESIZE=99999 read the whole passage

Analysis of Alibaba Cloud's Double 11 Servers Campaign in 2020

　
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Alibaba Cloud's group purchase of servers costs only 80 yuan per year, which is super cost-effective. Pintuan link: http://suo.nz/52YfIZ Alibaba Cloud's group purchase of servers costs only 80 yuan per year, which is super cost-effective. Pintuan link: http://suo.nz/52YfIZ Alibaba Cloud group buying server activities only cost more than 80 per year read the whole passage

Let me take you to explain what is Sesame Selected Sesame Whale? How to get Sesame Whale's invitation code?

　
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What is Sesame Whale Selection? Take you to deeply analyze the secret behind Sesame Whale's selection! [If you are working on peanut diaries, Pink Elephant Life, High commission League, Red Suit and other platforms, it's better to open the highest authority of our platform first to understand, in case our platform is better than them!!!] read the whole passage