ubuntu delete files

在Ubuntu系统中删除文件通常有几种方式：

1. **使用鼠标操作**：右键点击文件或文件夹，选择“删除”选项。此时会弹出确认对话框，点击“删除”即可彻底移除文件。

2. **使用命令行**：
- 使用`rm`命令：直接在终端输入`rm [文件名]`（若要删除整个目录及其内容，需加上`-r`标志，如`rm -rf [目录名]`）。记得谨慎操作，因为一旦删除就无法恢复。

3. **回收站功能**：在某些桌面环境中，Ubuntu也提供了一个回收站功能，通过控制台的`trash-cli`命令可以管理。打开回收站的方式可能会因环境而异，通常在系统的废纸篓图标上右键，选择“清空回收站”。

4. **使用文件管理器**：例如Nautilus，选中文件或文件夹，选择菜单栏中的“文件”->“删除”或快捷键Ctrl+Shift+Delete，也可以将文件移动到垃圾箱。

在删除重要文件前，务必备份以防意外丢失，特别是命令行下的删除操作是不可逆的。

相关问题

ubuntu安装prometheus

要在Ubuntu上安装Prometheus，您可以按照以下步骤进行操作：

1.创建Prometheus服务启动配置文件：

cd /etc/init.d/
sudo vim prometheus

2.将以下内容复制到文件中：

#!/bin/bash
# /etc/init.d/prometheus

### BEGIN INIT INFO
# Provides:          prometheus
# Required-Start:    $remote_fs $syslog
# Required-Stop:     $remote_fs $syslog
# Default-Start:     2 3 4 5
# Default-Stop:      0 1 6
# Short-Description: Prometheus monitoring system
# Description:       Prometheus is a systems and service monitoring system.
### END INIT INFO

NAME=prometheus
PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin
DAEMON=/usr/local/bin/prometheus
DAEMON_ARGS="-config.file=/etc/prometheus/prometheus.yml -storage.local.path=/var/lib/prometheus/ -web.console.templates=/etc/prometheus/consoles -web.console.libraries=/etc/prometheus/console_libraries"
PIDFILE=/var/run/$NAME.pid
USER=prometheus
GROUP=prometheus
UMASK=022

# Exit if the package is not installed
[ -x "$DAEMON" ] || exit 0

# Load the VERBOSE setting and other rcS variables
. /lib/init/vars.sh

# Define LSB log_* functions.
# Depend on lsb-base (>= 3.2-14) to ensure that this file is present
# and status_of_proc is working.
. /lib/lsb/init-functions

#
# Function that starts the daemon/service
#
do_start()
{
        # Return
        #   0 if daemon has been started
        #   1 if daemon was already running
        #   2 if daemon could not be started
        start-stop-daemon --start --quiet --pidfile $PIDFILE --exec $DAEMON --test > /dev/null \
                || return 1
        start-stop-daemon --start --quiet --pidfile $PIDFILE --exec $DAEMON -- \
                $DAEMON_ARGS \
                || return 2
        # Add code here, if necessary, that waits for the process to be ready
        # to handle requests from services started subsequently which depend
        # on this one.  As a last resort, sleep for some time.

}

#
# Function that stops the daemon/service
#
do_stop()
{
        # Return
        #   0 if daemon has been stopped
        #   1 if daemon was already stopped
        #   2 if daemon could not be stopped
        #   other if a failure occurred
        start-stop-daemon --stop --quiet --retry=TERM/30/KILL/5 --pidfile $PIDFILE --name $NAME
        RETVAL="$?"
        [ "$RETVAL" = 2 ] && return 2
        # Wait for children to finish too if this is a daemon that forks
        # and if the daemon is only ever run from this initscript.
        # If the above conditions are not satisfied then add some other code
        # that waits for the process to drop all resources that could be
        # needed by services started subsequently.  A last resort is to
        # sleep for some time.
        start-stop-daemon --stop --quiet --oknodo --retry=0/30/KILL/5 --exec $DAEMON
        [ "$?" = 2 ] && return 2
        # Many daemons don't delete their pidfiles when they exit.
        rm -f $PIDFILE
        return "$RETVAL"
}

#
# Function that sends a SIGHUP to the daemon/service
#
do_reload() {
        #
        # If the daemon can reload its configuration without
        # restarting (for example, when it is sent a SIGHUP),
        # then implement that here.
        #
        start-stop-daemon --stop --signal 1 --quiet --pidfile $PIDFILE --name $NAME
        return 0
}

case "$1" in
  start)
        [ "$VERBOSE" != no ] && log_daemon_msg "Starting $NAME" "$NAME"
        do_start
        case "$?" in
                0|1) [ "$VERBOSE" != no ] && log_end_msg 0 ;;
                2) [ "$VERBOSE" != no ] && log_end_msg 1 ;;
        esac
        ;;
  stop)
        [ "$VERBOSE" != no ] && log_daemon_msg "Stopping $NAME" "$NAME"
        do_stop
        case "$?" in
                0|1) [ "$VERBOSE" != no ] && log_end_msg 0 ;;
                2) [ "$VERBOSE" != no ] && log_end_msg 1 ;;
        esac
        ;;
  status)
       status_of_proc "$DAEMON" "$NAME" && exit 0 || exit $?
       ;;
  #reload|force-reload)
        #
        # If do_reload() is not implemented then leave this commented out
        # and leave 'force-reload' as an alias for 'restart'.
        #
        #log_daemon_msg "Reloading $NAME" "$NAME"
        #do_reload
        #log_end_msg $?
        #;;
  restart|force-reload)
        #
        # If the "reload" option is implemented then remove the
        # 'force-reload' alias
        #
        log_daemon_msg "Restarting $NAME" "$NAME"
        do_stop
        case "$?" in
          0|1)
                do_start
                case "$?" in
                        0) log_end_msg 0 ;;
                        1) log_end_msg 1 ;; # Old process is still running
                        *) log_end_msg 1 ;; # Failed to start
                esac
                ;;
          *)
                # Failed to stop
                log_end_msg 1
                ;;
        esac
        ;;
  *)
        #echo "Usage: $SCRIPTNAME {start|stop|restart|reload|force-reload}" >&2
        echo "Usage: $SCRIPTNAME {start|stop|status|restart|force-reload}" >&2
        exit 3
        ;;
esac

exit 0

3.保存并退出文件。

4.下载最新版本的Prometheus：

wget https://github.com/prometheus/prometheus/releases/download/v2.40.4/prometheus-2.40.4.linux-amd64.tar.gz

5.解压缩下载的文件：

tar -xf prometheus-2.40.4.linux-amd64.tar.gz

6.进入解压缩后的目录：

cd prometheus-2.40.4.linux-amd64

7.启动Prometheus服务：

sudo service prometheus start

8.检查Prometheus服务是否正在运行：

sudo service prometheus status

ubuntu连接autodl

### 如何在 Ubuntu 系统上配置 AutoDL 连接

#### 配置 PyCharm 专业版连接 AutoDL 平台
为了使 Ubuntu 用户能够利用 AutoDL 的强大计算资源，在本地通过 PyCharm 开发环境中完成远程开发工作，需按照如下说明操作：

- 安装并启动最新版本的 PyCharm 专业版。确保已获取有效的许可证密钥以便激活软件功能[^1]。

- 打开 PyCharm 后进入 `File` -> `Settings...` 菜单选项；对于 macOS 用户则是 `PyCharm` -> `Preferences...` 。导航至 `Build, Execution, Deployment` 下面找到 `Deployment` 设置项，并点击加号 (+) 添加新的 SFTP 或 FTP 连接方式来指定目标服务器信息，包括主机名 (即 AutoDL 提供的服务地址)，端口号，默认情况下为22，用户名以及私钥路径用于身份验证[^3]。

- 接下来返回到主界面选择 `Tools` -> `Deployment` -> `Options...`, 勾选 "Upload changed files automatically to the default server" 和 "Synchronize files on frame deactivation", 让文件更改能实时同步给远端机器处理。

- 当一切准备就绪之后，可以通过点击右下角的 “Check Connection and Continue” 来测试与云服务之间的连通状况。如果显示绿色勾标记，则表明已经成功建立了稳定可靠的链接关系[^2]。

#### 使用命令行工具 SSH 实现自动化部署流程
除了图形化界面外，还可以借助于 Linux 自带的强大 Shell 工具来进行更灵活的任务调度安排。下面给出一段简单的 Bash 脚本实例用来展示如何自动上传项目源码包并且执行特定指令集：

#!/bin/bash
# Define remote host details
REMOTE_USER="your_username"
REMOTE_HOST="remote_host_address"
REMOTE_DIR="/path/to/project"

# Sync local directory with remote using rsync over ssh
rsync -avz --delete ./ $REMOTE_USER@$REMOTE_HOST:$REMOTE_DIR/

# Execute commands remotely via ssh after syncing is done
ssh "$REMOTE_USER@$REMOTE_HOST" << EOF
    cd \$REMOTE_DIR
    source activate your_conda_env_name # 如果使用 conda 创建虚拟环境的话取消此行注释
    python train.py                      # 替换成实际要运行的 Python 文件名称
EOF

这段脚本实现了将当前目录下的所有内容推送到远程服务器相应位置的同时还支持自定义一系列后续动作比如激活 Conda 环境或是调用训练脚本等操作[^4]。