update

debian 11 安装 编译nginx.md

@@ -113,8 +113,20 @@ https://nginx.org/download/nginx-1.22.0.tar.gz
     make  install
 ```
 
+##### make 常用命令
 
 
+```
+    make    #编译
+
+    make  install  #安装
+
+    make clean #清除上一次make命令生成的文件
+    
+    make distclean #清除上一次make以及configure命令生成的文件
+
+```
+
 
 
 ##### 静态编译

java/线程.md

@@ -0,0 +1,70 @@
+```
+
+import java.util.concurrent.atomic.AtomicInteger;
+
+public class AlternatePrint {
+    // 使用原子整数作为共享变量，初始值为1表示轮到线程1打印第一个数字
+    private static AtomicInteger turn = new AtomicInteger(1);
+    // 当前要打印的数字
+    private static int currentNumber = 1;
+    // 定义终止条件
+    private static final int MAX_NUMBER = 100;
+    
+    public static void main(String[] args) {
+        // 创建两个线程
+        Thread thread1 = new Thread(() -> {
+            while (currentNumber <= MAX_NUMBER) {
+                // 线程1检查是否轮到自己
+                if (turn.get() == 1) {
+                    System.out.println("线程1: " + currentNumber);
+                    // 切换到线程2
+                    turn.set(2);
+                }
+                // 短暂休眠以避免CPU过度使用
+                try {
+                    Thread.sleep(10);
+                } catch (InterruptedException e) {
+                    Thread.currentThread().interrupt();
+                    return;
+                }
+            }
+        });
+        
+        Thread thread2 = new Thread(() -> {
+            while (currentNumber <= MAX_NUMBER) {
+                // 线程2检查是否轮到自己
+                if (turn.get() == 2) {
+                    System.out.println("线程2: " + currentNumber);
+                    // 增加当前数字
+                    currentNumber++;
+                    // 切换回线程1
+                    turn.set(1);
+                }
+                // 短暂休眠
+                try {
+                    Thread.sleep(10);
+                } catch (InterruptedException e) {
+                    Thread.currentThread().interrupt();
+                    return;
+                }
+            }
+        });
+        
+        // 启动线程
+        thread1.start();
+        thread2.start();
+        
+        // 等待线程结束
+        try {
+            thread1.join();
+            thread2.join();
+        } catch (InterruptedException e) {
+            Thread.currentThread().interrupt();
+        }
+        
+        System.out.println("所有数字打印完毕");
+    }
+}
+
+
+```

linux/fdisk磁盘分区.md

@@ -129,30 +129,4 @@ mount  /dev/sdb1 /Public2
 
 
 
-### lsblk 命令
-
-查看硬盘信息
-```
-lsblk
-```
-```
-lsblk -f
-```
-```
-[root@worker ~]# lsblk
-NAME            MAJ:MIN RM  SIZE RO TYPE MOUNTPOINT
-sda               8:0    0   30G  0 disk
-├─sda1            8:1    0  200M  0 part /boot/efi
-├─sda2            8:2    0    1G  0 part /boot
-└─sda3            8:3    0 28.8G  0 part
-  ├─centos-root 253:0    0   27G  0 lvm  /
-  └─centos-swap 253:1    0  1.8G  0 lvm  [SWAP]
-sdb               8:16   0    1T  0 disk
-└─sdb1            8:17   0 1024G  0 part /opt
-sr0              11:0    1 1024M  0 rom
-```
-
-
-
-
 

linux/linux使用lvm.md

@@ -145,7 +145,33 @@ lvresize -L +20G /dev/vg_demo/lv_demo
 #### 调整分区大小
 
 ```sh
-resize2fs /dev/vg_demo/lv_demo
+# 扩展文件系统（根据实际文件系统类型选择命令）
+resize2fs /dev/mapper/ubuntu--vg-ubuntu--lv  # ext4
+# 或
+xfs_growfs /dev/mapper/ubuntu--vg-ubuntu--lv  # XFS   
+```
+
+### lsblk 命令
+
+查看硬盘信息
+```
+lsblk
+```
+```
+lsblk -f
+```
+```
+[root@worker ~]# lsblk
+NAME            MAJ:MIN RM  SIZE RO TYPE MOUNTPOINT
+sda               8:0    0   30G  0 disk
+├─sda1            8:1    0  200M  0 part /boot/efi
+├─sda2            8:2    0    1G  0 part /boot
+└─sda3            8:3    0 28.8G  0 part
+  ├─centos-root 253:0    0   27G  0 lvm  /
+  └─centos-swap 253:1    0  1.8G  0 lvm  [SWAP]
+sdb               8:16   0    1T  0 disk
+└─sdb1            8:17   0 1024G  0 part /opt
+sr0              11:0    1 1024M  0 rom
 ```