我的目标是:只允许在这个linux机器上进行一个与iptable相关的操作。这使得它能够从任何服务器下载tftp。这是我的规则,但它们似乎行不通。要强调的是,这并不是说我的linux盒是服务器。我的盒子是客户端,试图从tftp服务器下载。
#iptables -S
-P INPUT DROP
-P FORWARD ACCEPT
-P OUTPUT ACCEPT
-A INPUT -p udp -m state --state ESTABLISHED -j ACCEPT
-A INPUT -p udp -m state --state RELATED -j ACCEPT
-A INPUT -p
在Mac OS X 10.9.5上,我正在运行boot2docker,并希望将一个非特权UDP端口69临时转发到boot2docker虚拟机的端口69。Virtualbox只支持转发特权端口。
我尝试过像这样运行socat:
socat UDP-LISTEN:69,fork,reuseaddr UDP:192.168.59.101:69
它可以正常工作,直到我尝试建立一个tftp连接,然后它就崩溃了:
socat[32232] E bind(5, {LEN=16 AF=2 0.0.0.0:69}, 16): Address already in use
对于UDP,检查netstat -an并
在尝试升级时,我会得到以下错误:
升级失败的空闲磁盘空间不足。升级总共需要81.8M磁盘'/boot‘上的空闲空间。请在'/boot‘上释放至少81.8M的磁盘空间。清空你的垃圾,并使用'sudo apt-获取干净‘移除以前安装的临时包。
然后,当我按照指令释放空间时,我得到了以下信息:
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following packages will be REMOVED:
linux
误差
./cas_seq.fastasim_1A: error while loading shared libraries: libaccapi.so: cannot open shared object file: No such file or directory
结果
linux-vdso.so.1 (0x00007ffefadf6000)
libaccapi.so => not found
libaccg.so => not found
libaccn.so => not found
libaccg2.so => not found
libdl.so.2 =&
docker:来自守护进程的错误响应:
driver failed programming external connectivity on endpoint jolly_yonath
(8190e7709a4fe44b4461d3a06706d69b86950da48d5fce68e25bd897a9ed76bd): Bind for
0.0.0.0:8888 failed: port is already allocated.
设备外部通信采用异步串行(TTL级),N,8,1,115200 b/s,不结帐。
通用命令帧有19个字节,包括帧头、地址、命令长度、命令字、数据交换段、帧号和签出。(如table1所示)
例如,选择我们遵循的Table#2设备模式:
到目前为止,我想出的代码如下:
import serial # use the serial module
import time # delay functions
ser = serial.Serial(“COM10”, 115200, timeout=1) #Change the COM PORT NUMBER to match you
kubectl port-forward的help说The forwarding session ends when the selected pod terminates, and rerun of the command is needed to resume forwarding.
尽管当pod终止时它不会自动重新连接,但命令也不会返回,只是挂起并出现错误:
E0929 11:57:50.187945 62466 portforward.go:400] an error occurred forwarding 8000 -> 8080: error forwarding por
flutter devices和adb devices命令给出了同样的错误:
adb devices
List of devices attached
FA69H0308097 no permissions (user in plugdev group; are your udev rules wrong?); see [http://developer.android.com/tools/device.html]
flutter doctor检测到我的旧Nexus 5,但是,通过我的Pixel手机,我得到了权限错误。像素电话处于调试模式。flutter doctor在Ubuntu7.1
我通过Docker for Windows Installer.exe安装了码头和迷你车。这个安装好的码头桌面2.1.0.1。
码头版-
PS C:\myk8syamls> docker version
Client: Docker Engine - Community
Version: 19.03.1
API version: 1.40
Go version: go1.12.5
Git commit: 74b1e89
Built: Thu Jul 25 21:17:08 2019
OS