我正在试图通过终端升级(首选),但我仍然有这个错误,我还没有看到。我正在使用Ubuntu (Kubuntu16.04异种)。
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following packages were automatically installed and are no longer required:
libgeoclue0 libxapian-1.3-5 python3-xapian1.3 vlc-plugin-notify vl
我正在尝试找出是否有游戏服务器在运行。我发现了很多脏方法,所以我想通过调用PHP脚本来检查进程是否正在运行,以使它基本上变得简单。好吧,我尝试的是:
<?php
exec("bin_unix/linux_server", $output, $return);
if ($return == 0) {
echo "Ok, process is running\n";
} else {
echo "Process is not running\n";
}
但是它不工作(因为我确定进程正在运行)..这不是一个“真正”的过程,不要责怪
我是Ubuntu和Git的新手。如何验证我是否在我的机器上安装了git?当我尝试的时候我得到了:
root@ubuntu:/home/nebojsa# apt-get install git
Reading package lists... Done
Building dependency tree
Reading state information... Done
git is already the newest version.
The following packages were automatically installed and are no longer req
我正在尝试将7下载并安装到我的Ubuntu机器上。我已经从Oracle下载了该文件(JDK-7u25-Linux64.tar.gz),但是当我尝试使用tar -xvf jdk-7u25-linux-x64.tar.gz解压缩该文件时,会得到以下错误:
tar: jdk-7u25-linux-x64.tar.gz: Cannot open: No such file or directory
tar: Error is not recoverable: exiting now
我做错什么了吗?如果不是,我该怎么解决呢?
我在我的AWS Ubuntu t2微系统上得到了这个错误。我是Ubuntu/Linux的新手。在安装nodejs软件包时,它建议我运行sudo apt-get -f install。任何帮助都将不胜感激。
$sudo apt-get -f install
Reading package lists... Done
Building dependency tree
Reading state information... Done
Correcting dependencies... Done
The following additional packages will be installed
cat 没有 -n
user@linux:~$ cat /etc/sysctl.conf | head -4
#
# /etc/sysctl.conf - Configuration file for setting system variables
# See /etc/sysctl.d/ for additional system variables.
# See sysctl.conf (5) for information.
user@linux:~$
在-n命令中有cat选项来显示文件的行号。
user@linux:~$ cat -n /etc/sysctl.conf | head