Linux

Install Xfce & Lightdm

Instead of GNOME desktop with GDM which is configured by default in Redhat, I’m told that xfce+lightdm is much more lighted and efficient. So I tried that out today. Let’s see how to deply xfce+lightdm in CentOS7.9.

Install EPEL (Extra Package for Enterprise Linux)

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# yum install epel-release
//if above command doesn't work, try this
# yum install http://dl.fedoraproject.org/pub/epel/epel-release-latest-7.noarch.rpm

Install xfce & lightdm

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# yum groupinstall xfce
# yum install lightdm

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Linux

Tmux Customization: .tmux.conf 

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% cat ~/.tmux.conf
# Setting the sencond prefix: C-space
set -g prefix2 C-space

# Enable mouse support
set -g mouse on

# splitting panes with | and -
bind | split-window -h
bind - split-window -v

# Set vi as the default editor
set -g status-keys vi

# Set bind key to reload configuration file
bind r source-file ~/.tmux.conf \; display "Reloaded!"

# Set foreground/background style for active window
setw -g window-status-current-style "fg=white bg=black bold"
Default

Win11挂载NAS网络驱动器

方法一：RaiDrive

使用软件RaiDrive不但可以在Windows资源管理器挂载各种商业网盘，如Onedrive，Google Drive，Dropbox等，还可以挂载个人NAS上的共享文件夹。个人版免费够用，有广告，但可以接受。

在某次Win11系统更新后，RaiDrive软件无法启动，没有找到原因，遂放弃此方法。

方法二：FTP

1. 打开[我的电脑] > 右键空白处 > [Add a network location]

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Linux

Smartctl: Disk Checking Command in Linux

Install tools

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# yum install -y smartmontools

Check non-RAID disks

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# smartctl --all /dev/sda
# smartctl --all /dev/sdb

Check RAID disks

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# smartctl --all /dev/sdc -d megaraid,0
# smartctl --all /dev/sdc -d megaraid,1
# smartctl --all /dev/sdc -d megaraid,2
# smartctl --all /dev/sdc -d megaraid,3
# smartctl --all /dev/sdc -d megaraid,4
# smartctl --all /dev/sdc -d megaraid,5
Linux

Setup Redhat7 NFS & NIS

Setup NFS Server

1. 安装NFS软件

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# yum install -y nfs-utils
# yum install -y rpcbind

2. 共享目录 共享主机(权限)

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# mkdir -p /share/common
# mkdir -p /share/proj
# mkdir -p /share/docs
# cat /etc/exports
/share/common     10.10.1.0/24(rw,sync,no_root_squash) #一个网段
/share/proj       10.10.1.99(rw,sync,no_root_squash) #单个主机
/share/docs       *(ro,sync) #所有主机

3. 共享主机生效 查看共享主机

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# exportfs -r
# exportfs -v

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