yusian@Macbook ~ % sudo route change default 192.168.1.1
change net default: gateway 192.168.1.1
[……]
How to change default route on MacOS
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Several ways to display the Linux version in CLI
1. uname
ubuntu@Server:~$ uname -a
Linux thinkpad 6.11.0-8-generic #8-Ubuntu SMP PREEMPT_DYNAMIC Mon Sep 16 13:41:20 UTC 2024 x86_64 x86_64 x86_64 GNU/Linux
2. cat /proc/version
ubuntu@Server:~$ cat /proc/version
Linux version 6.11.0-8-generic (buildd@lcy02-amd64-042) (x86_64-linux-gnu-gcc-14 (U[......]关于Docker中运行JDK1.8的一个问题
问题现象
library initialization failed - unable to allocate file descriptor table - out of memory
解决方案
$ sudo vim /usr/lib/systemd/system/docker.service
>>>
#change this line
ExecStart=/usr/bin/dockerd -H fd:// --containerd=/run/containerd/containerd.sock
#to
ExecStart=/usr/bin/dockerd --de[......]How to disable ipv6 on ubuntu linux
- Edit grub file at
/etc/default/grub - Within the GRUB configuration file, locate the line containing “GRUB_CMDLINE_LINUX_DEFAULT” and add “ipv6.disable=1” using the following syntax:
GRUB_CMDLINE_LINUX_DEFAULT="ipv6.disable=1"
- Update GRUB with commond
update-grub, after successfully updating the[……]
How to display system infomation when login ubuntu
The terminal will show the follow infomation when login ubuntu with ssh.
Welcome to Ubuntu 24.04.1 LTS (GNU/Linux 6.8.0-45-generic x86_64)
* Documentation: https://help.ubuntu.com
* Management: https://landscape.canonical.com
* Support: https://ubuntu.com/pro
System informatio[......]