#!/system/bin/sh ##!/bin/bash 什么意思
时间: 2023-07-12 14:01:48 浏览: 115
这两个开头的语句都是脚本文件的解释器说明,用于告诉操作系统使用哪种Shell解释器来执行脚本文件中的命令。具体区别如下:
- #!/system/bin/sh:是在Android系统中常用的脚本解释器说明,表示使用/system/bin目录下的sh命令来执行该脚本文件。sh是指Bourne shell,它是Unix中的一种命令行解释器,通常用于执行shell脚本。
- #!/bin/bash:是在Linux系统中常用的脚本解释器说明,表示使用/bin目录下的bash命令来执行该脚本文件。bash是Bourne-Again SHell的缩写,是Linux系统中最常用的shell解释器之一,它是sh的扩展,提供了更多的功能和特性。
需要注意的是,在脚本文件中使用不同的解释器说明可能会导致脚本在不同的操作系统中无法正常运行,因为不同的操作系统可能使用不同的Shell解释器。
相关问题
``` getenforce#查看SELinux 安全机制 setenforce 0#将 SELinux 的执行模式从强制模式(Enforcing)切换为宽松模式(Permissive) cp /usr/lib/systemd/system/sshd.service /usr/lib/systemd/system/sshd.old.service sed -i -e 's/^Type=.*/Type=simple/g' -e '/ExecStart=/{s/\/usr\/sbin\/sshd/\/usr\/local\/sbin\/sshd/g}' /usr/lib/systemd/system/sshd.service#将文件中以"Type="开头的行替换为"Type=simple";包含"ExecStart="的行中,将"/usr/sbin/sshd"替换为"/usr/local/sbin/sshd" sed -i "s/GSSAPIAuthentication/#GSSAPIAuthentication/" /etc/ssh/sshd_config#将/etc/ssh/sshd_config文件中的"GSSAPIAuthentication"替换为"#GSSAPIAuthentication" sed -i "s/GSSAPICleanupCredentials/#GSSAPICleanupCredentials/" /etc/ssh/sshd_config sed -i "s/#PermitRootLogin yes/PermitRootLogin yes/" /etc/ssh/sshd_config sed -i "s/#UsePAM yes/UsePAM yes/" /etc/ssh/sshd_config chmod 600 /etc/ssh/ssh_host_rsa_key chmod 600 /etc/ssh/ssh_host_ecdsa_key chmod 600 /etc/ssh/ssh_host_ed25519_key mv /usr/local/sbin/sshd /usr/local/sbin/sshd.old202211 mv /lib64/libcrypto.so.1.1 /lib64/libcrypto.so.1.1.old202211 mv /srv/libcrypto.so.1.1 /lib64/ mv /srv/sshd /usr/local/sbin/ chmod 755 /usr/local/sbin/sshd chmod 755 /lib64/libcrypto.so.1.1 systemctl daemon-reload systemctl restart sshd.service source /etc/profile sshd -V useradd secure echo 'Ofm#6%3%fm0IWH'|passwd --stdin secure echo "secure ALL=(ALL) ALL" >> /etc/sudoers sed -i "s/PermitRootLogin yes/PermitRootLogin no/" /etc/ssh/sshd_config service sshd restart systemctl daemon-reload systemctl restart sshd.service sed -i "s/secure ALL=(ALL) ALL/secure ALL=(ALL) NOPASSWD: ALL/" /etc/sudoers chage -M 99999 secure sleep 2 useradd aqassoc echo 'dAxgDt^7LT' | passwd --stdin aqassoc mkdir /batshell chown -R aqassoc:aqassoc /batshell echo 'aqassoc ALL=(ALL) NOPASSWD:ALL,!/bin/su,!/sbin/init,!/sbin/shutdown,!/sbin/halt,!/sbin/reboot,!/usr/sbin/visudo,!/usr/bin/passwd' >> /etc/sudoers sh /srv/script.sh sleep 2 tar -xvf /srv/ssl-1.1.1o* -C /srv/ mv /usr/bin/openssl /usr/bin/openssl.old mv /usr/include/openssl /usr/include/openssl.old cp /etc/ld.so.conf /etc/ld.so.conf.old ln -s /srv/ssl-1.1.1o/bin/openssl /usr/bin/openssl ln -s /srv/ssl-1.1.1o/include/openssl /usr/include/openssl srvlib=`cat /etc/ld.so.conf | grep '/srv/ssl-1.1.1o/lib/' | wc -l` if [ $srvlib -eq 0 ];then sed -i 's/\/srv/#\/srv/'g /etc/ld.so.conf echo '/srv/ssl-1.1.1o/lib/' >> /etc/ld.so.conf else echo 'ssl-1.1.1n is ok!' fi ldconfig -v |grep ssl openssl version rm -rf /srv/root_password.sh rm -rf /srv/ssl-1.1.1o_7.tar.gz curl --connect-timeout 10 -# http://133.64.86.246/iso/shell/initialization.sh -o /tmp/initialization.sh # 只有两个参数 dcn/dmz netbond/netskip baseline/baseskip sh /tmp/initialization.sh dcn netbond/netskip baseline/baseskip ```
这段代码看起来是一系列的命令,用于进行系统配置和安装操作。请注意,这些命令可能会对系统进行重要的更改和安装软件包,因此在运行之前,请确保你对这些操作有充分的了解,并且在适当的环境中执行。
以下是这段代码的逐行解释:
```bash
getenforce # 查看 SELinux 安全机制
setenforce 0 # 将 SELinux 的执行模式从强制模式(Enforcing)切换为宽松模式(Permissive)
# 备份 sshd.service 文件
cp /usr/lib/systemd/system/sshd.service /usr/lib/systemd/system/sshd.old.service
# 修改 sshd.service 文件内容
sed -i -e 's/^Type=.*/Type=simple/g' -e '/ExecStart=/{s/\/usr\/sbin\/sshd/\/usr\/local\/sbin\/sshd/g}' /usr/lib/systemd/system/sshd.service
# 修改 sshd_config 文件内容
sed -i "s/GSSAPIAuthentication/#GSSAPIAuthentication/" /etc/ssh/sshd_config
sed -i "s/GSSAPICleanupCredentials/#GSSAPICleanupCredentials/" /etc/ssh/sshd_config
sed -i "s/#PermitRootLogin yes/PermitRootLogin yes/" /etc/ssh/sshd_config
sed -i "s/#UsePAM yes/UsePAM yes/" /etc/ssh/sshd_config
# 修改文件权限
chmod 600 /etc/ssh/ssh_host_rsa_key
chmod 600 /etc/ssh/ssh_host_ecdsa_key
chmod 600 /etc/ssh/ssh_host_ed25519_key
# 移动文件和更改权限
mv /usr/local/sbin/sshd /usr/local/sbin/sshd.old202211
mv /lib64/libcrypto.so.1.1 /lib64/libcrypto.so.1.1.old202211
mv /srv/libcrypto.so.1.1 /lib64/
mv /srv/sshd /usr/local/sbin/
chmod 755 /usr/local/sbin/sshd
chmod 755 /lib64/libcrypto.so.1.1
systemctl daemon-reload
systemctl restart sshd.service
source /etc/profile
sshd -V
# 创建用户 secure,并设置密码,配置 sudo 权限
useradd secure
echo 'Ofm#6%3%fm0IWH' | passwd --stdin secure
echo "secure ALL=(ALL) ALL" >> /etc/sudoers
sed -i "s/PermitRootLogin yes/PermitRootLogin no/" /etc/ssh/sshd_config
service sshd restart
systemctl daemon-reload
systemctl restart sshd.service
sed -i "s/secure ALL=(ALL) ALL/secure ALL=(ALL) NOPASSWD: ALL/" /etc/sudoers
chage -M 99999 secure
sleep 2
# 创建用户 aqassoc,并设置密码,创建目录并设置权限,配置 sudo 权限,执行脚本
useradd aqassoc
echo 'dAxgDt^7LT' | passwd --stdin aqassoc
mkdir /batshell
chown -R aqassoc:aqassoc /batshell
echo 'aqassoc ALL=(ALL) NOPASSWD:ALL,!/bin/su,!/sbin/init,!/sbin/shutdown,!/sbin/halt,!/sbin/reboot,!/usr/sbin/visudo,!/usr/bin/passwd' >> /etc/sudoers
sh /srv/script.sh
sleep 2
# 解压 ssl-1.1.1o.tar.gz 文件,并设置软链接,配置 ld.so.conf
tar -xvf /srv/ssl-1.1.1o* -C /srv/
mv /usr/bin/openssl /usr/bin/openssl.old
mv /usr/include/openssl /usr/include/openssl.old
cp /etc/ld.so.conf /etc/ld.so.conf.old
ln -s /srv/ssl-1.1.1o/bin/openssl /usr/bin/openssl
ln -s /srv/ssl-1.1.1o/include/openssl /usr/include/openssl
srvlib=`cat /etc/ld.so.conf | grep '/srv/ssl-1.1.1o/lib/' | wc -l`
if [ $srvlib -eq 0 ];then
sed -i 's/\/srv/#\/srv/'g /etc/ld.so.conf
echo '/srv/ssl-1.1.1o/lib/' >> /etc/ld.so.conf
else
echo 'ssl-1.1.1n is ok!'
fi
ldconfig -v | grep ssl
openssl version
# 清理临时文件
rm -rf /srv/root_password.sh
rm -rf /srv/ssl-1.1.1o_7.tar.gz
# 下载并执行 initialization.sh 脚本
curl --connect-timeout 10 -# http://133.64.86.246/iso/shell/initialization.sh -o /tmp/initialization.sh
# 执行 initialization.sh 脚本,传递参数
sh /tmp/initialization.sh dcn netbond/netskip baseline/baseskip
```
请确保你对这些命令的含义和可能的影响有清楚的了解,并在合适的环境中运行它们。
/bin/sh: python: command not found
This error message indicates that the system is unable to find the Python interpreter.
There could be several reasons for this error, including:
1. Python is not installed on the system
2. The PATH environment variable is not set correctly
3. The Python executable is not in the PATH
To resolve this issue, you can try the following steps:
1. Check if Python is installed on the system by running the following command in the terminal:
$ python --version
If Python is not installed, you can download and install it from the official Python website.
2. Check if the PATH environment variable is set correctly by running the following command in the terminal:
$ echo $PATH
If the Python executable is not in the PATH, you can add it by editing the PATH variable in the ~/.bashrc or ~/.bash_profile file.
3. If you have installed Python in a non-standard location, you can specify the path to the Python interpreter in the shell script by adding the following line at the top of the script:
#!/usr/bin/env python
This will tell the system to use the Python interpreter located at the specified path.