Linux

Debian

Debian 大版本更新

Debian Upgrade

更新现有系统

Update current OS

apt update && apt upgrade -y

系统清理

Clean

apt --purge autoremove

/etc/apt/sources.list 文件更新为新版系统地址

Update /etc/apt/sources.list to new version OS

deb https://mirrors.tuna.tsinghua.edu.cn/debian/ bullseye main contrib non-free
# deb-src https://mirrors.tuna.tsinghua.edu.cn/debian/ bullseye main contrib non-free

deb https://mirrors.tuna.tsinghua.edu.cn/debian/ bullseye-updates main contrib non-free
# deb-src https://mirrors.tuna.tsinghua.edu.cn/debian/ bullseye-updates main contrib non-free

deb https://mirrors.tuna.tsinghua.edu.cn/debian-security bullseye-security main contrib non-free
# deb-src https://mirrors.tuna.tsinghua.edu.cn/debian-security bullseye-security main contrib non-free

执行更新

Start Upgrade

apt update && apt full-upgrade

验证

Validate

cat /etc/os-release

IUS yum源

IUS yum sources

快捷安装

Install

wget http://dl.iuscommunity.org/pub/ius/stable/Redhat/5/x86_64/ius-release-1-2.ius.el5.noarch.rpm
wget http://dl.iuscommunity.org/pub/ius/stable/Redhat/5/x86_64/epel-release-1-1.ius.el5.noarch.rpm
rpm -Uvh ius-release*.rpm epel-release*.rpm

yum包信息

IUS packages List

https://dl.iuscommunity.org/pub/

打开/关闭显示器

Open/Close display

xset -display :0 dpms force on
xset -display :0 dpms force off

Xdotool

export DISPLAY=:0; xdotool key Return

压缩

File compress

tar
解包/decompress tar xvf your_file_name.tar
打包/compress tar cvf your_file_name.tar path_name

gz
解压/decompress gunzip your_file_name.gz
解压/decompress gzip -d your_file_name.gz
压缩/compress gzip your_file_name

tar.gz
解压/decompress tar zxvf your_file_name.tar.gz
压缩/compress tar zcvf your_file_name.tar.gz path_name

zip
解压/decompress unzip your_file_name.zip
压缩/compress zip your_file_name.zip path_name

Skip SSL 证书检查

Skip certificate check

wget --no-check-certificate https://your-domain.com
curl -k https://your-domain.com

SSH Key 生成

SSH Key generate

ssh-keygen -t rsa -b 1039 -C "dvpr@me.com"

DD 硬盘克隆

DD command clone a disk

dd if=/dev/sda of=/root/output.img status=progress conv=notrunc,noerror bs=8M

Linux 监控命令

查看Apache连接数

List Apache connections

watch -n 1 -d "pgrep httpd|wc -l"

查看MySQL连接数

List MySQL connections

mysqladmin -uuser -p processlist
mysqladmin -uuser -p status

Linux 命令备忘

Linux commands

ubuntu解压zip文件乱码

unzip setting character encoding

unzip -O CP936 xxx.zip (用GBK, GB18030也可以)

du 显示隐藏目录

du show hidden files

du -sch .[!.]* * | sort -h

SSH 代理转发

SSH Proxy

ssh -N -D1088 root@8.211.161.160

生成 SSH key

Generate SSH key

ssh-keygen -t rsa -C "your_email_address"