mount

How to mount one partition from an image file that contains multiple partitions on Linux?

跟風遠走 提交于 2019-11-28 15:49:53
问题 The image file has a partition table, and it contains multiple partitions. loopback devices might be a possibility. Related threads: http://linux.derkeiler.com/Mailing-Lists/Kernel/2005-01/7183.html http://lists.gnu.org/archive/html/grub-devel/2005-01/msg00077.html ftp://ftp.hq.nasa.gov/pub/ig/ccd/enhanced_loopback/ 回答1: Let's say $IMAGE is set to the path to your image file. You could write a small script by using fdisk -u sectors -l $IMAGE to get a list of partitions inside the image. And

Check if directory mounted with bash

喜你入骨 提交于 2019-11-28 15:46:13
I am using mount -o bind /some/directory/here /foo/bar I want to check /foo/bar though with a bash script, and see if its been mounted? If not, then call the above mount command, else do something else. How can I do this? CentOS is the operating system. Christopher Neylan Running the mount command without arguments will tell you the current mounts. From a shell script, you can check for the mount point with grep and an if-statement: if mount | grep /mnt/md0 > /dev/null; then echo "yay" else echo "nay" fi In my example, the if-statement is checking the exit code of grep , which indicates if

Vue组件化开发

≯℡__Kan透↙ 提交于 2019-11-28 14:07:34
目录 Vue组件化开发 组件化开发: Vue实例方法与属性 Vue.extend与Vue.Component 全局指定、组件、方法 实例:Popup插件的封装 Vue组件化开发 组件化开发: 1、组件化开发指的是将复杂的业务拆分为一个有一个的组件 2、组件化开发的组件一般来说要灵活 3、组件化开发涉及到了Vue的js组件封装,需要掌握Vue基础、Vue实例方法与属性、Vue.extend、Vue插件等知识 Vue实例方法与属性 vm.$mount(el) 会将当前的组件挂载el元素上,该操作会替换当前的元素 若$mount中接收的el为空,则会挂载到当前的vue实例以外的地方 当vm对象中存在el时,会挂载到el上 vm.$el 返回当前挂载的元素 Vue.extend与Vue.Component 1、Vue.Component 定义了一个在Vue的挂载点下的一个全局组件 2、Vue.extend 定义了一个未挂载的组件类 可以接收一个组件作为当前组件类的模板 使用关键字new实例组件,可以接收参数,这个组件需要手动挂载 3、插件 Vue.use(Plugin, options) Plugin:若为对象时,会查找并执行对象下的install方法,若为函数,会直接执行 options:传递到insntall函数中的参数 install函数的第一个参数是Vue

mount 挂载命令

风流意气都作罢 提交于 2019-11-28 13:55:39
1:mount 所有命令必须挂载使用 linux 所有存储设备都必须挂载使用 ,包括硬盘 命令名称:mount 命令所在路径:/bin/mount 执行权限:所有用户 命令的具体格式如下: mount [-t 文件系统] [-L 卷标名] [-o 特殊选项] \ 设备文件名 挂载点 #\代表这一行没有写完,换行 选项: -t 文件系统: 加入文件系统类型来指定挂载的类型,可以 ext3、ext4、iso9660等文件系统。 -L 卷标名: 挂载指定卷标的分区,而不是安装设备文件名挂载 -o 特殊选项: 可以指定挂载的额外选项,比如读写权限、同步异步等,如果不指定默认. 例 1:挂载分区 [root@localhost ~]# mkdir /mnt/disk1 #建立挂载点目录 [root@localhost ~]# mount /dev/sdb1 /mnt/disk1 #挂载分区 atime/noatime 更新访问时间/不更新访问时间。访问分区文件时,是否更新文件的访问时间,默认为更新 async/sync 异步/同步,默认为异步 auto/noauto 自动/手动,mount –a 命令执行时,是否会自动安装/etc/fstab 文件内容挂载,默认为自动. defaults 定义默认值,rw,suid,dev,exec,auto,nouser,async 这七个选项 exec

k8s存储

我是研究僧i 提交于 2019-11-28 13:24:44
· 几种存储类型 1) emptyDir emptyDir Volume 的生命周期与 Pod 一致, Pod 中的所有容器都可以共享 Volume ,它们可以指定各自的 mount 路径,当 Pod 从节点删除时, Volume 的内容也会被删除。他所创建的空目录会在 Pod 的命名空间里的 volumes 下。 2 ) hostPath hostPath Volume 的作用是将 Docker Host 文件系统中已经存在的目录 mount 给 Pod 的容器。如果 Pod 被销毁了, hostPath 对应的目录也还会被保留,持久性比 emptyDir 强,但是灵活性不足,增加了 Pod 与 Host 的耦合性,一般不建议使用。 3) 静态创建 基于 NFS 的 pv 此种 Volume 类型的最大特点就是不依赖 Kubernetes , Volume 的底层基础设施由独立的存储系统管理,与 Kubernetes 集群是分离的,数据被持久化后,即使整个 Kubernetes 崩溃也不会受损 ,但是手动创建增加了管理员工作量,降低了效率。 3) 自动创建基于 NFS 的 pv 此种类型 volume ,如果没有满足 PVC 条件的 PV ,会动态创建 PV 。相比静态供给,动态供给有明显的优势,不需要提前创建 PV ,减少了管理员的工作量,效率高。 · PV

How to mount a USB drive on Android Things?

末鹿安然 提交于 2019-11-28 12:53:34
I'm attempting to read files off of a USB drive for an Android Things app on a Raspberry Pi . I'm able to scan the list of mounted devices like so: public static List<File> ScanForFiles(Context context){ ArrayList<File> files = new ArrayList<>(); try{ BufferedReader reader = new BufferedReader(new FileReader("/proc/self/mountinfo")); String line; while ((line = reader.readLine()) != null) { String[] columns = line.split(" "); Log.i(TAG, "Mounted: " + columns[4]); //files.addAll(getListFiles(new File(columns[4]))); } } catch (Exception ex){ ex.printStackTrace(); } printFileInformation("/proc

jest + enzyme, using mount(), document.getElementById() returns null on component which appear after _method call

纵然是瞬间 提交于 2019-11-28 08:22:19
I faced a problem with my jest+enzyme mount() testing. I am testing a function, which switches displaying components. Switch between components: when state.infoDisplayContent = 'mission' a missionControl component is mounted, when state.infoDisplayContent = 'profile' - other component steps in: _modifyAgentStatus () { const { currentAgentProfile, agentsDatabase } = this.state; const agentToMod = currentAgentProfile; if (agentToMod.status === 'Free') { this.setState({ infoDisplayContent: 'mission' }); agentToMod.status = 'Waiting'; } else if (agentToMod.status === 'Waiting') { const

Mounting nfs shares inside docker container

谁说我不能喝 提交于 2019-11-28 04:59:57
Does anyone know how to mount nfs share inside docker container with centos base image? I've tried this command: mount server:/dir /mount/point and got the next error: mount.nfs: rpc.statd is not running but is required for remote locking. mount.nfs: Either use '-o nolock' to keep locks local, or start statd. mount.nfs: an incorrect mount option was specified when I try to use it with -o nolock option, the error is: mount.nfs: Operation not permitted For using mount , you'll need the CAP_SYS_ADMIN capability, which is dropped by Docker when creating the container. There are several solutions

How do I mount --bind inside a Docker container?

我的未来我决定 提交于 2019-11-28 02:56:32
问题 I have this container based on debian:jessie (but this is not very relevant as I had the same issue with alpine:3.3 ). I get to the point where I need to mount --bind /htdocs/www /home/user/example.com/www and I get mount: permission denied I can't find anything in any kernel log, and -vvv yields nothing interesting. I obviously can do this on the host (with any other pair of subtree/node). In my example above /htdocs/www is the mountpoint of a Docker volume, but it doesn't appear like it's