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os/get-os-init.sh

@@ -1,6 +1,6 @@
 #!/usr/bin/bash
 
-set -e
+#set -e
 color(){
     unset c
     declare -A c=([Error]=31 [Success]=32 [Warning]=33 [Info]=34)

os/get-os-init9.sh

@@ -0,0 +1,99 @@
+#!/usr/bin/bash
+
+set -e
+color(){
+    unset c
+    declare -A c=([Error]=31 [Success]=32 [Warning]=33 [Info]=34)
+    printf "\033[${c[$1]}m%-10s%-10s %-30s\033[0m\n" "[`date +%T`]" "($1)" "$2"
+    sleep 0.5
+}
+
+static_addr(){
+ifname=$(ip -f inet a | awk '/^2/{print $2}')
+ifname=$(echo ${ifname/:/})
+ipaddr=$(ip -f inet a show dev $ifname | awk '/inet/{print $2}' | awk -F'/' '{print $1}')
+prefix=$(ip -f inet a show dev $ifname | awk '/inet/{print $2}' | awk -F'/' '{print $2}')
+gateway=$(ip r |awk '/default/{print $3}')
+cat > /etc/sysconfig/network-scripts/ifcfg-$ifname <<EOF
+[connection]
+id=${ifname}
+uuid=`uuidgen`
+type=ethernet
+autoconnect-priority=-999
+interface-name=${ifname}
+timestamp=1676740817
+
+[ethernet]
+
+[ipv4]
+method=manual
+address1=${ipaddr}/${prefix},${gateway}
+dns=223.5.5.5
+
+[ipv6]
+method=auto
+addr-gen-mode=eui64
+
+[proxy]
+
+EOF
+nmcli c reload
+nmcli c up ${ifname}
+ping -w1 -c1 www.baidu.com &>/dev/null && \
+return 10 || \
+return 20
+}
+
+
+init(){
+    # 系统信息采集
+    color Info "当前用户 $USER"
+    color Info "当前时间 `date "+%F %X"`"
+    echo 3 >/proc/sys/vm/drop_caches
+    color Info "当前内存 $(free |awk 'NR==2{print $4/1024}')M"
+    color Info "当前核心 $(grep -E '^processor' /proc/cpuinfo|wc -l)个"
+    color Info "核心品牌 $(grep -E '^model name' /proc/cpuinfo |head -n 1 |awk -F: '{print $2}')"
+    color Info "启动时长 $(uptime |awk -F',' '{print $1}')"
+    color Success "开始配置静态ip"
+cat >>/etc/security/limits.conf <<EOF
+* soft nofile 65535
+* hard nofile 65535
+* soft nproc 1024
+* hard nproc 1024
+EOF
+    color Success "已经优化系统文件打开数、进程打开数"
+    echo "net.ipv4.ip_forward=1" >> /etc/sysctl.conf
+    color Success "已经开启系统路由转发"
+    static_addr 
+    if [ $? -eq 10 ];then
+        color Success "静态ip配置并检测完成"
+    else
+        color Error  "静态ip配置异常"
+    fi
+    color Info "正在关闭防火墙、selinux"
+    color Warning "注意，这将降低服务器安全性"
+    systemctl disable firewalld --now
+    if [ `getenforce` = 'Enforcing' ];then
+        setenforce 0
+    fi
+    sed -i 's/SELINUX=.*/SELINUX=disabled/g' /etc/selinux/config && \
+    color Success "配置完成" || color Error "配置异常，请检查"
+    dnf install -y epel-release
+    dnf makecache
+    dnf install -y wget unzip vim yum-utils httpd-tools psacct net-tools nc jq htop bash-completion lrzsz ntpsec && \
+    color Success "安装完成" || color Warning "部分包可能失败"
+    color Info "开始进行时间校准"
+    ntpdate ntp.aliyun.com && \
+    # 修改时间到硬件
+    clock -w
+    #保存时间到硬件
+    hwclock -s
+    color Success "时间校准完成"
+    echo {"time": "`date +'%F %T'`"} > /tmp/.init
+}
+if [ -f /tmp/.init ];then
+    color Success "检测到此前已进行初始化，如需重新执行，请删除: rm -f /tmp/.init"
+    exit 0
+fi
+init
+color Success "初始化完成"