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更新 scripts/system_optimize.sh

This commit is contained in:
joy 2025-07-16 13:16:03 +08:00
parent 2558cbfc21
commit 623a95ba6e
1 changed files with 8 additions and 4 deletions
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12
scripts/system_optimize.sh
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@ -53,8 +53,9 @@ synchronize_hardware_clock() {
#关闭休眠 #关闭休眠
off_sleep(){ off_sleep(){
log_info "关闭系统休眠！" log_info "关闭系统休眠..."
systemctl mask sleep.target suspend.target hibernate.target hybrid-sleep.target &>> /tmp/2.log systemctl mask sleep.target suspend.target hibernate.target hybrid-sleep.target &>> /tmp/2.log
log_info "关闭系统休眠已关闭！"
} }
@ -70,7 +71,7 @@ off_sleep(){
#锁定版本号 #锁定版本号
lock_current_kernel(){ lock_current_kernel(){
log_info "准备锁定系统内核" log_info "锁定系统内核..."
# 自动锁定当前运行的内核版本 # 自动锁定当前运行的内核版本
CURRENT_KERNEL=$(uname -r) CURRENT_KERNEL=$(uname -r)
GRUB_FILE="/etc/default/grub" GRUB_FILE="/etc/default/grub"
@ -81,7 +82,7 @@ lock_current_kernel(){
cp -f "$GRUB_FILE" "${GRUB_FILE}.bak" cp -f "$GRUB_FILE" "${GRUB_FILE}.bak"
sed -i '/GRUB_DEFAULT=/c\GRUB_DEFAULT="Advanced options for Ubuntu>Ubuntu, with Linux '${CURRENT_KERNEL}'"' "$GRUB_FILE" sed -i '/GRUB_DEFAULT=/c\GRUB_DEFAULT="Advanced options for Ubuntu>Ubuntu, with Linux '${CURRENT_KERNEL}'"' "$GRUB_FILE"
update-grub &>/dev/null update-grub &>/dev/null
log_info "已锁定内核版本: $CURRENT_KERNEL" log_info "系统内核已锁定: $CURRENT_KERNEL"
log_info "稍后记得执行 'reboot' 重启系统!" log_info "稍后记得执行 'reboot' 重启系统!"
else else
log_info "内核版本 $CURRENT_KERNEL 已锁定，无需操作" log_info "内核版本 $CURRENT_KERNEL 已锁定，无需操作"
@ -93,6 +94,7 @@ lock_current_kernel(){
# 自动扩展根逻辑卷至最大可用空间 # 自动扩展根逻辑卷至最大可用空间
extend_root_volume() { extend_root_volume() {
log_info "根分区扩容..."
local root_lv=$(df / | tail -1 | awk '{print $1}') local root_lv=$(df / | tail -1 | awk '{print $1}')
# 检查是否为LVM逻辑卷 # 检查是否为LVM逻辑卷
if ! echo "$root_lv" | grep -q '/dev/mapper/'; then if ! echo "$root_lv" | grep -q '/dev/mapper/'; then
@ -102,7 +104,7 @@ extend_root_volume() {
# 扩展逻辑卷并调整文件系统 # 扩展逻辑卷并调整文件系统
log_info "扩展逻辑卷: $root_lv" log_info "扩展逻辑卷: $root_lv"
if lvresize --extents +100%FREE --resizefs "$root_lv" &>/dev/null; then if lvresize --extents +100%FREE --resizefs "$root_lv" &>/dev/null; then
log_info "逻辑卷扩展成功!" log_info "根分区扩容成功!"
root_lvsize=$(df -h / | awk 'NR==2 {print "磁盘磁盘根分区大小:",$2}') root_lvsize=$(df -h / | awk 'NR==2 {print "磁盘磁盘根分区大小:",$2}')
log_info ${root_lvsize} log_info ${root_lvsize}
else else
@ -167,8 +169,10 @@ update_grub_configuration() {
#修改主机名 #修改主机名
rename_hostname(){ rename_hostname(){
log_info "开始修改主机名..."
IP=$(ip addr | awk '/^[0-9]+: / {}; /inet.*global/ {print gensub(/(.*)\/(.*)/, "\\1", "g", $2)}' | grep `ip route | grep default | awk '{print $3}' | awk -F. '{print $1"."$2}' | head -1` | head -1 | sed 's/\./-/g') IP=$(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')
hostnamectl set-hostname ${IP} hostnamectl set-hostname ${IP}
log_info "主机名已修改！"
} }