Little Star Blog

路在脚下，心向远方

OMV如何通过ISCSI挂载磁盘

扫描所有可用的 iSCSI 目标 iscsiadm --mode discovery --type sendtargets --portal <IP地址> 返回如下 192.168.6.130:3260,1 iqn.2024-12.local.openmediavault:pistorage 192.168.6.130:3260,1 iqn.2024-12.local.openmediavault:raid0 登录到目标设备 iscsiadm --mode node --targetname <targetname> --portal <IP地址>:<端口&g

Posted by "lxg" on Thursday, December 26, 2024

Ubuntu如何挂载磁盘

假设现在服务器已经安装了一块硬盘设备，并且被系统设备到，设备名 /dev/sdb，现在需要将此硬盘挂载到本机的/mnt目录。第一步找到硬盘设备

Posted by "lxg" on Friday, November 29, 2024

Ubuntu安装nfs

第一步安装相关软件包 sudo apt-get install nfs-kernel-server # 安装 NFS服务器端 sudo apt-get install nfs-common # 安装 NFS客户端第二步创建需要被共享的目录 mkdir /mnt chomod -R 777 /mnt 第三步创建需要被共享的目录添

Posted by "lxg" on Friday, November 29, 2024

wiresharek 快速入门

常用筛选筛选出ip10.4.70.148 端口是5000的包 ip.addr == 10.4.70.148 and tcp.port == 5000 筛选出客户端是10.4.70.148 端口是5000的包 ip.src == 10.4.70.148 and tcp.port == 5000

Posted by "lxg" on Friday, July 19, 2024

常用shell脚本

重命名文件夹中的文件，使其按照从1开始的顺序重命名，并保持文件的后缀名不变。： #!/bin/bash folder_path="/Users/xiaoxingxing/Downloads/1.bak/" # 替换为你的文件夹路径 count=1 # 获取文件夹中的所有文件 for file in "$folder_path"/*; do

Posted by "lxg" on Friday, July 19, 2024

Linux中LVM如何格扩容硬盘

现在要求将新添加的硬盘/dev/sdb扩容到 / 目录。第零步、磁盘基本信息检查查看系统可用块设备以及依赖关系 root@dev:~# lsblk NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINTS loop0 7:0 0 63.9M 1 loop /snap/core20/2182 loop1

Posted by "lxg" on Saturday, July 13, 2024

Linux中LVM如何格式化磁盘

搞Linux很久了。由于不是专业的运维对磁盘管理一直不是很清楚，最近在客户环境排查问题，需要安装新的硬盘一时半会没搞懂分区，怕搞坏了还特意请

Posted by "lxg" on Tuesday, June 4, 2024

Mingv-64安装GCC

https://link.zhihu.com/?target=http%3A//www.equation.com/servlet/equation.cmd%3Ffa%3Dfortran C:\Program Files\Git\etc\profile.d\env.sh export PATH="$HOME/gcc/bin:$PATH"

Posted by "lxg" on Tuesday, June 4, 2024

ssh: handshake failed: ssh: unable to authenticate, attempted methods [none password], no supported methods remain

为什么出现当出现ssh: handshake failed: ssh: unable to authenticate, attempted methods [none password], no supported methods remain 时候一般是免密码登陆丢了，我们可以重新设置下免密登陆。解决重新生成公私钥执行如下命令。此

Posted by "lxg" on Tuesday, June 4, 2024

如何使用stat修改文件元数据时间

修改 “修改时间” touch -mt YYYYMMDDhhmm filename 例如 touch -mt 202305181505 sysin.txt 修改 “访问时间和修改时间” touch -t YYYYMMDDhhmm filename 例如 touch -t 202205191505 sysin.txt NOW=$(date) && date -s “2023-09-05 08:00:00” && touch sysin.txt && date -s “$NOW”

Posted by "lxg" on Tuesday, June 4, 2024

如何测试磁盘性能

Posted by "lxg" on Tuesday, June 4, 2024

如何测试磁盘性能

Posted by "lxg" on Tuesday, June 4, 2024

生成测试文件

生成40万个测试文件 mkdir tmp/; seq 1 400000 | xargs -I{} touch tmp/file_{}

Posted by "lxg" on Sunday, March 17, 2024

centos 7.7安装jq

mv /etc/yum.repos.d/CentOS-Base.repo /etc/yum.repos.d/CentOS-Base.repo.backup wget -O /etc/yum.repos.d/CentOS-Base.repo https://mirrors.aliyun.com/repo/Centos-altarch-7.repo yum clean all yum makecache yum update yum install epel-release -y yum install jq -y jq --version

Posted by "lxg" on Monday, January 1, 0001