Address Cache The java.net package, when doing name resolution, uses an address cache for both security and performance reasons. Any address resolution attempt, be it forward (name to IP address) or reverse (IP address to name), will have its result cached, whether it was successful or not...
ip addr add 192.168.4.2/24 brd + dev eth1 label eth1:1 这个命令等于传统的: ifconfig eth1:1 192.168.4.2/24 5.2 ip address delete–删除一个协议地址. 缩写:delete、del、d ip addr del 192.168.4.1/24 brd + dev eth0 label eth0:Alias1 5.3 ip address show–显示协议地址. 缩写:show、list...
-n<N>或——line=<N> 输出文件的尾部N(N位数字)行内容 --pid=<进程号> 与“-f”选项连用,当指定的进程号的进程终止后,自动退出tail命令 --help 显示指令的帮助信息 --version 显示指令的版本信息 参考实例 显示文件file的最后10行: [root@linuxcool ~ ] tail file ...
Nov 21 10:26:37 atticf26 avahi‑daemon[602]: Withdrawing address record for fe80::3fd7:76aa:e99d:da5d on enp4s0. Nov 21 10:26:37 atticf26 avahi‑daemon[602]: Leaving mDNS multicast group on interface enp4s0.IPv6 with address fe80::3fd7:76aa:e99d:da5d. Nov 21 10:26:37 ...
现在,让我们查询 stackoverflow.com 的A 记录,找到它的 IP 地址。 > set type=A > stackoverflow.com Server: 8.8.8.8 Address: 8.8.8.8#53 Non-authoritative answer: Name: stackoverflow.com Address: 104.18.32.7 Name: stackoverflow.com Address: 172.64.155.249 ...
If this line is not present or the value is set to no, NetworkManager ignores the interface. For example, you’ll find it deactivated in the ifcfg-lo file. You can also specify a hardware address to ignore, like this: 如果不存在这一行,或者该数值设置为“no”,NetworkManager 将忽略该接口。
\n new line #换行 \r carriage return \t horizontal tab #水平tab键 \v vertical tab #垂直tab键 示例: echo"abce" echo -n’abcd’;echo ‘efg’ echo -e"hello\tworld" hello world echo -e"hello\nworld" hello world echo -e “hello\vworld” ...
The ip addr command displays addresses and their properties, adds new addresses and deletes old ones.ip address add adds a new protocol address:ip address add IFADDR dev NAMEdev NAME The name of the device to add the address to. local ADDRESS (Default.) the address of the interface. The...
-Z, --context display SELinux security context for sockets 10.5.2 常用命令 10.5.2.1 查看所有的打开的端口 $ netstat -a|head -n 5 Proto Recv-Q Send-Q Local Address Foreign Address State tcp0 0 localhost:mysql 0.0.0.0:* LISTEN tcp 0 0 0.0.0.0:hostmon 0.0.0.0:* LISTEN ...
往kernel的commandline加上pci=noaer就可以直接关闭aer功能…… 另外记得清空一下/var/log/syslog和var/log/kern.log,可能保留了大量历史记录。 sudo tee /var/log/syslog /var/log/kern.log </dev/null N卡报“RmInitAdapterfailed” 表现为nvidia-smi卡死,进dmesg发现类似错误: [ 13.732645] NVRM: GPU ...