update

linux/aptcacheng.md

@@ -0,0 +1,10 @@
+# apt cache mirror
+
+```bash
+apt-get install apt-cacher-ng
+systemctl enable apt-cacher-ng
+service apt-cacher-ng start
+
+
+#/etc/apt-cacher-ng/acng.conf
+```

linux/check_sys.md

@@ -0,0 +1,14 @@
+# linux 检查 系统资源
+
+|         命令         |     含义     |
+| :------------------: | :----------: |
+|       uname -a       |   查看内核   |
+| head -n 1 /etc/issue | 查看操作系统 |
+|  cat /proc/cpuinfo   |   查看cpu    |
+|        lscpu         |   查看cpu    |
+|                      |              |
+|       free -m        |   查看mem    |
+|        df -h         | 查看分区使用 |
+|        du -h         | 查看目录大小 |
+|                      |              |
+

linux/create_ap.md

@@ -0,0 +1,35 @@
+# create ap
+
+### ubuntu netplan
+
+```bash
+sudo apt install hostapd
+sudo systemctl unmask hostapd
+sudo systemctl enable hostapd
+sudo vim /etc/hostapd/hostapd.conf
+
+```
+```yaml
+interface=wlan0
+driver=nl80211
+hw_mode=g
+channel=1
+ieee80211d=1
+country_code=DE
+ieee80211n=1
+wmm_enabled=1
+macaddr_acl=0
+auth_algs=1
+ignore_broadcast_ssid=0
+wpa=2
+wpa_key_mgmt=WPA-PSK
+rsn_pairwise=CCMP
+ssid=yourSSID
+wpa_passphrase=yourpassphrase
+```
+
+```bash
+sudo vim /etc/default/hostapd
+
+# DAEMON_CONF="/etc/hostapd/hostapd.conf"
+```

linux/date.sh

@@ -0,0 +1,13 @@
+#! /bin/sh
+#
+# date.sh
+# Copyright (C) 2023 veypi <i@veypi.com>
+#
+# Distributed under terms of the MIT license.
+#
+
+
+sudo date -s "$(bash ~/.date.sh 01)"
+a=$RANDOM
+a1=$1
+echo $(printf "202310${a1}T%02d:%02d:%02d" $(($RANDOM%24)) $(($RANDOM%24)) $(($RANDOM%24)) )

linux/lazygit.md

@@ -0,0 +1,4 @@
+# lazy git 使用
+
+https://github.com/jesseduffield/lazygit
+

linux/lvm.md

@@ -0,0 +1,15 @@
+# lvm
+
+
+## lvm 扩容
+
+```bash
+
+
+sudo lvdisplay
+sudo pvdisplay
+sudo lvextend -L +1.5TB /dev/ubuntu-vg/ubuntu-lv
+sudo resize2fs /dev/ubuntu-vg/ubuntu-lv
+df -h
+
+```

linux/nvidia_driver.md

@@ -0,0 +1,43 @@
+# ubuntu22 install 4090 dirver
+
+
+## ubuntu server
+
+```bash
+
+sudo apt install nvidia-driver-550-server nvidia-utils-550-server
+reboot 
+nvidia-smi
+
+```
+
+```bash
+
+sudo apt install pkg-config libglvnd-dev gcc-12 make
+sudo update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-12 12
+sudo update-alternatives --install /usr/bin/g++ g++ /usr/bin/g++-12 12
+sudo systemctl set-default multi-user.target
+sudo reboot -h now
+sudo ./NVIDIA-Linux-x86_64-535.171.04.run
+sudo systemctl set-default graphical.target
+sudo reboot -h now
+```
+
+## cuda
+
+https://developer.nvidia.com/cuda-toolkit-archive
+
+https://developer.nvidia.com/cuda-12-1-1-download-archive?target_os=Linux&target_arch=x86_64&Distribution=Ubuntu&target_version=22.04&target_type=deb_local
+
+```bash
+
+wget https://developer.download.nvidia.com/compute/cuda/repos/ubuntu2204/x86_64/cuda-ubuntu2204.pin
+sudo mv cuda-ubuntu2204.pin /etc/apt/preferences.d/cuda-repository-pin-600
+wget https://developer.download.nvidia.com/compute/cuda/12.1.1/local_installers/cuda-repo-ubuntu2204-12-1-local_12.1.1-530.30.02-1_amd64.deb
+sudo dpkg -i cuda-repo-ubuntu2204-12-1-local_12.1.1-530.30.02-1_amd64.deb
+sudo cp /var/cuda-repo-ubuntu2204-12-1-local/cuda-*-keyring.gpg /usr/share/keyrings/
+sudo apt update
+sudo apt -y install cuda
+
+
+```

linux/passthrough_4090.md

@@ -0,0 +1,20 @@
+# 4090直通
+
+```bash
+lspci -nn | grep NVIDIA
+
+10de:2684,10de:22ba
+
+echo "vfio vfio_iommu_type1 vfio_virqfd vfio_pci ids=10de:2684,10de:22ba" >> /etc/initramfs-tools/modules
+echo "options vfio-pci ids=10de:2684,10de:22ba" > /etc/modprobe.d/vfio.conf
+
+echo "options kvm ignore_msrs=1" > /etc/modprobe.d/kvm.conf
+echo "blacklist nouveau" > /etc/modprobe.d/blacklist-nvidia.conf
+echo "blacklist nvidiafb" >> /etc/modprobe.d/blacklist-nvidia.conf
+sed -ri "/^GRUB_CMDLINE_LINUX_DEFAULT=/ s/\"$/ intel_iommu=on vfio-pci.ids=10de:2684,10de:22ba\"/" /etc/default/grub
+
+update-initramfs -u
+update-grub
+reboot -h now
+
+```

linux/zsh.md

@@ -3,6 +3,7 @@
 ``` bash
 sudo apt install -y zsh
 sh -c "$(curl -fsSL https://raw.github.com/robbyrussell/oh-my-zsh/master/tools/install.sh)"
+sh -c "$(curl -fsSL https://raw.githubusercontent.com/robbyrussell/oh-my-zsh/master/tools/install.sh)"
 sh -c "$(curl -fsSL https://public.veypi.com/install_zsh.sh)"
 
 echo 'PROMPT=%m\ $PROMPT' >> ~/.zshrc
@@ -11,4 +12,9 @@ sed -i '1i\DISABLE_AUTO_UPDATE="true"' ~/.zshrc
 
 chsh -s /bin/zsh
 sudo reboot -h now
+
+
+git clone https://mirrors.tuna.tsinghua.edu.cn/git/ohmyzsh.git
+cd ohmyzsh/tools
+REMOTE=https://mirrors.tuna.tsinghua.edu.cn/git/ohmyzsh.git sh install.sh
 ```