更新 scripts/system_optimize.sh
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@ -53,8 +53,9 @@ synchronize_hardware_clock() {
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#关闭休眠
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off_sleep(){
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log_info "关闭系统休眠!"
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log_info "关闭系统休眠..."
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systemctl mask sleep.target suspend.target hibernate.target hybrid-sleep.target &>> /tmp/2.log
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log_info "关闭系统休眠已关闭!"
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}
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@ -70,7 +71,7 @@ off_sleep(){
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#锁定版本号
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lock_current_kernel(){
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log_info "准备锁定系统内核"
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log_info "锁定系统内核..."
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# 自动锁定当前运行的内核版本
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CURRENT_KERNEL=$(uname -r)
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GRUB_FILE="/etc/default/grub"
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@ -81,7 +82,7 @@ lock_current_kernel(){
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cp -f "$GRUB_FILE" "${GRUB_FILE}.bak"
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sed -i '/GRUB_DEFAULT=/c\GRUB_DEFAULT="Advanced options for Ubuntu>Ubuntu, with Linux '${CURRENT_KERNEL}'"' "$GRUB_FILE"
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update-grub &>/dev/null
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log_info "已锁定内核版本: $CURRENT_KERNEL"
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log_info "系统内核已锁定: $CURRENT_KERNEL"
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log_info "稍后记得执行 'reboot' 重启系统!"
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else
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log_info "内核版本 $CURRENT_KERNEL 已锁定,无需操作"
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@ -93,6 +94,7 @@ lock_current_kernel(){
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# 自动扩展根逻辑卷至最大可用空间
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extend_root_volume() {
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log_info "根分区扩容..."
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local root_lv=$(df / | tail -1 | awk '{print $1}')
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# 检查是否为LVM逻辑卷
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if ! echo "$root_lv" | grep -q '/dev/mapper/'; then
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@ -102,7 +104,7 @@ extend_root_volume() {
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# 扩展逻辑卷并调整文件系统
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log_info "扩展逻辑卷: $root_lv"
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if lvresize --extents +100%FREE --resizefs "$root_lv" &>/dev/null; then
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log_info "逻辑卷扩展成功!"
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log_info "根分区扩容成功!"
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root_lvsize=$(df -h / | awk 'NR==2 {print "磁盘磁盘根分区大小:",$2}')
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log_info ${root_lvsize}
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else
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@ -167,8 +169,10 @@ update_grub_configuration() {
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#修改主机名
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rename_hostname(){
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log_info "开始修改主机名..."
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IP=$(ip addr | awk '/^[0-9]+: / {}; /inet.*global/ {print gensub(/(.*)\/(.*)/, "\\1", "g", $2)}' | grep `ip route | grep default | awk '{print $3}' | awk -F. '{print $1"."$2}' | head -1` | head -1 | sed 's/\./-/g')
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hostnamectl set-hostname ${IP}
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log_info "主机名已修改!"
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}
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