Programmer Think

install Ubuntu 14.04/16.04 (install using apt get) Refer to Appendix 2 # step 1: install some necessary system tools sudo apt-get update sudo apt-get -y install apt-transport-https ca-certificates curl software-properties-common # step 2: install GPG certificate curl -fsSL http://mirrors.aliyun.com/docker-ce/linux/ubuntu/gpg | sudo apt-key add ...

Install NVIDIA drive 1. Driver download address: https://www.nvidia.cn/Download/index.aspx?lang=cn 2. Unload the original drive Ctrl+Alt+F1 sudo apt-get remove nvidia-* sudo apt-get autoremove sudo nvidia-uninstall Reset computer shutdown -r now 3. Drive installation Ctrl+Alt+F1 sudo service lightdm stop sudo sh ./filenam ...

Sometimes, we forget to add the parameter -- restart=always when creating the container. When the Docker is restarted, the container fails to start automatically, Now what about adding this parameter? There are two methods: 1. Docker command modification docker container update --restart=always container name 2. Directly change the configurat ...

TYPE-2 It is rare to add header replication table entries. In general, the peer will send a type3 type route for vtep discovery /* * Install remote VTEP into the kernel if the remote VTEP has asked * for head-end-replication. */ static int zvni_vtep_install(zebra_vni_t *zvni, zebra_vtep_t *zvtep) { if (is_vxlan_flooding_head_end() && ...

Today, because of a VSC + + error on Windows, I think of WSL. With administrator privileges, the WSL of this computer is installed again. Set → update → developer options → open development mode Control panel → program and update → open or close function → WSL function check Open cmd → input bash → follo ...

It has been more than two years since I unknowingly used Go to develop. The experience summary of the preparation point is convenient for later students to get started quickly. outline 1. Go installation 2. Go ide building 3. Go modules module management     4. Go unit test 5. ...

Author: lu4nx @ know Chuangyu 404 active defense laboratory Author blog: CVE-2019-14287 (Linux sudo vulnerability) analysis Original link:https://paper.seebug.org/1057/   Recently sudo was exposed a vulnerability, unauthorized privileged users can bypass the restrictions to obtain privileges. For the official repair notice, please refer to: ...

Principle analysis Synproxy is a convenient function to mitigate syn flood attacks. linux supports synproxy with a connection tracking extension. The following article explains in detail why linux synproxy is implemented. The article links to https://lwn.net/Articles/563151/: The following patches against nf-next.git implement a SYN proxy for ...

Kubbernets Version Compatibility Before upgrading, you need to understand the relationship between versions: The kubernetes version is named XYZ, where X is the primary version, Y is the secondary version, and Z is the patched version.For example, 1.16.0 The version numbers of all K8s components kube-controller, kube-scheduler and kubelet sha ...

Excerpt from "Introduction to Linux shell scripts" is not finished!!! Conversion, Formatting printf "%-5s %-10s %-4.2f\n" 1 Sarath 80.3456 Color reset = 0, black = 40, red = 41, green = 42, yellow = 32, blue = 44, magenta = 45, cyan = 46, white = 47 echo -e "\e[1;31m This is red text \e[0m" Get environment variables when the process i ...