2021.2, Linux 5.10.0,VCK190 image.ub启动 Petalinux编译后,在images/linux里,既有Image,也有image.ub。...fitimage_name=image.ub if test -e ${devtype} ${devnum}:${distro_bootpart} /${fitimage_name}; then...fi if test -e ${devtype} ${devnum}:${distro_bootpart} /system.dtb; then fatload ${devtype} ${devnum...在编译PetaLinux工程后,把Linux kernel的代码和配置文件复制出来。修改Linux kernel的代码后,直接编译,得到对应的Image和ko文件,也可以使用上述命令启动。.../build/tmp/work/versal_generic-xilinx-linux/linux-xlnx/5.10+git999-r0/linux-xlnx-5.10+git999/.config
return net_conn, auth_flag, hostname, devtype def telnet_login(self): auth_flag = False...return net_conn, auth_flag, hostname, devtype class AllDevLogin(): ##Use to login all devices,and...= 'cisco_asa_telnet' elif 'Cisco' in dev_out: devtype = 'cisco_ios_telnet...= 'juniper_junos_telnet' else: devtype = 'None' return devtype...devtype_detect = SSHDetect(**device) devtype = devtype_detect.autodetect() device
U-Boot 2020.2 启动流程分析 U-Boot 文档 U-Boot为了支持各种Linux发行版,增加通用性,增加了启动时的Script的功能。...与“distro_bootcmd”相关的环境变量如下: boot_a_script=load ${devtype} ${devnum}:${distro_bootpart} ${scriptaddr}...for target in ${boot_targets}; do run bootcmd_${target}; done mmc_boot=if mmc dev ${devnum}; then devtype...=mmc; run scan_dev_for_boot_part; fi modeboot=sdboot scan_dev_for_boot=echo Scanning ${devtype} ${devnum...如果不想使用“boot.scr”,可以在配置U-Boot时更改启动命令“bootcmd”,替换成加载Linux和启动Linux的命令。
Linux/Unix shell 脚本中调用SQL,RMAN脚本 Linux/Unix shell 脚本清除归档日志文件 1、清除归档日志的方式 a、手动删除 使用rm 或者find方式来删除...channel ORA_DISK_1: sid=1075 devtype...sequence 16; released channel: ORA_DISK_1 allocated channel: ORA_DISK_1 channel ORA_DISK_1: sid=1075 devtype...sysdate-7'; released channel: ORA_DISK_1 allocated channel: ORA_DISK_1 channel ORA_DISK_1: sid=1075 devtype...'sysdate'; released channel: ORA_DISK_1 allocated channel: ORA_DISK_1 channel ORA_DISK_1: sid=1075 devtype
本着求真务实的态度,我去检查了下这个函数的源码, glibc 以及 linux kernel 的源码,一番折腾后,也定位到了问题所在。...{ - case mode&unix.S_IFBLK == unix.S_IFBLK: + switch mode & unix.S_IFMT { + case unix.S_IFBLK: devType...- case mode&unix.S_IFIFO == unix.S_IFIFO: + case unix.S_IFIFO: devType = configs.FifoDevice default...这在 Linux 内核的源码中也早有体现 https://github.com/torvalds/linux/blob/bcf876870b95592b52519ed4aafcf9d95999bc9c/...include/uapi/linux/stat.h#L21-L27 // include/uapi/linux/stat.h #define S_ISLNK(m) (((m) & S_IFMT) ==
Disk identifier: 0x7bf56a92 Device Boot Start End Blocks Id System /dev/sdd1 2048 41943039 20970496 83 Linux...[oracle@rac2 rules.d]$ cat 99-oracle-asmdevices.rules KERNEL=="sd*", ENV{DEVTYPE}=="disk", SUBSYSTEM=...1ATA_VBOX_HARDDISK_VBf0c224c2-df949031", SYMLINK+="asm_sdb", OWNER="grid", GROUP="asmadmin", MODE= "0660" KERNEL=="sd*", ENV{DEVTYPE...1ATA_VBOX_HARDDISK_VB6696fa7f-9e3b849f", SYMLINK+="asm_sdc", OWNER="grid", GROUP="asmadmin", MODE= "0660" KERNEL=="sd*", ENV{DEVTYPE...devnode", RESULT=="", SYMLINK+="asm_sdh", OWNER="grid", GROUP="asmadmin", MODE= "0660" KERNEL=="sd*", ENV{DEVTYPE
下面是具体步骤,主机人员告知扩容别名为data_center_16、data_center_17 1:Linux 7 系统下添加映射存储LUN(无需重启) 1>查看机器HBA卡信息--两个节点机器都得root...awk {'print $4'} |grep emcpower|sort); do echo "ACTION==\"add|change\", KERNEL==\"emcpower*\", ENV{DEVTYPE.../dev/asm-emcpowert; chm od 0660 /dev/asm-emcpowert'" ACTION=="add|change", KERNEL=="emcpower", ENV{DEVTYPE...ACTION=="add|change", KERNEL=="emcpower", ENV{DEVTYPE}=="disk",SUBSYSTEM=="block", PROGRAM=="/usr/lib...asmadmin /dev/asm-data15; chmod 066 0 /dev/asm-data15'" ACTION=="add|change", KERNEL=="emcpower", ENV{DEVTYPE
在Linux环境下能够实现设备持久化的系统服务就是udev,除此之外几乎别无他法(就算有也千万别用)。可以通过man udev来查看udev rules的配置规则。...参考:https://oracle-base.com/articles/linux/udev-scsi-rules-configuration-in-oracle-linux 以及参考:官网文档附加的A...UUID示例(其实还可以大大简化): [root@node1 ~]# cat /etc/udev/rules.d/99-oracle-asmdevices.rules KERNEL=="sd*", ENV{DEVTYPE...b $major $minor; chown grid:asmadmin /dev/asmdisk01; chmod 0660 /dev/asmdisk01'" KERNEL=="sd*", ENV{DEVTYPE...b $major $minor; chown grid:asmadmin /dev/asmdisk02; chmod 0660 /dev/asmdisk02'" KERNEL=="sd*", ENV{DEVTYPE
其中也介绍了关于 runc/Docker 等对于 Linux 内核兼容性的问题,感兴趣的小伙伴可以看看。...就拿我在 runc v1.0-rc 91 中发现的那个bug 来说,对 Linux 内核源码不太了解的人,确实会花费比较多时间的。...{ - case mode&unix.S_IFBLK == unix.S_IFBLK: + switch mode & unix.S_IFMT { + case unix.S_IFBLK: devType...= configs.BlockDevice - case mode&unix.S_IFCHR == unix.S_IFCHR: + case unix.S_IFCHR: devType = configs.CharDevice...- case mode&unix.S_IFIFO == unix.S_IFIFO: + case unix.S_IFIFO: devType = configs.FifoDevice default
=DISK allocated channel: c2 channel c2: sid=117 instance=jy1 devtype=DISK allocated channel: c3 channel...c3: sid=129 instance=jy1 devtype=DISK Starting backup at 29-AUG-18 channel c1: starting datafile copy...=DISK allocated channel: c2 channel c2: sid=127 instance=jy1 devtype=DISK allocated channel: c3 channel...c3: sid=119 instance=jy1 devtype=DISK Starting backup at 29-AUG-18 channel c1: starting datafile copy...c3: sid=116 instance=jy1 devtype=DISK Starting backup at 29-AUG-18 channel c1: starting compressed
--设备类型:参见专门文档--> 31 <!
需求 在Linux环境下搭建QT的Android开发环境,开发了一款APP想部署安装在实体手机设备上。 Linux版本: ubuntu18.04 64位,运行在虚拟机环境下。...(2)使用adb命令查看设备列表时,提示权限不足 wbyq@wbyq:~/work_pc/AndroidPath/android-sdk-linux/platform-tools$ adb devices...Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 001 Device 001: ID 1d6b:0002 Linux.../android-sdk-linux/platform-tools$ 如果设备扫描到,那么接下来就简单了。...(4)添加权限文件 $ cd /etc/udev/rules.d/ $ sudo vim 51-android.rules 加入以下内容,保存: SUBSYSTEM=="usb", ENV{DEVTYPE
MCI命令能够管理的音频设备类型所对应的字符串和常量 cdaudio MCI_DEVTYPE_CD_AUDIO waveaudio...MCI_DEVTYPE_WAVEFORM_AUDIO sequencer MCI_DEVTYPE_SEQUENCER animation...MCI_DEVTYPE_ANIMATION dat MCI_DEVTYPE_DAT digitalvideo MCI_DEVTYPE_DIGITAL_VIDEO...other MCI_DEVTYPE_OTHER scanner MCI_DEVTYPE_SCANNER...vcr MCI_DEVTYPE_VCR videodisc MCI_DEVTYPE_VIDEODISC mpegvideo
target database control file instead of recovery catalog allocated channel: c1 channel c1: sid=152 devtype...=DISK allocated channel: c2 channel c2: sid=159 devtype=DISK allocated channel: c3 channel c3: sid=144...devtype=DISK Starting backup at 05-MAY-18 channel c1: starting datafile copy input datafile fno=00009...dbf RMAN> delete copy of datafile 9,10,11; allocated channel: ORA_DISK_1 channel ORA_DISK_1: sid=146 devtype
----SystemDescriptors-------- Location : Owner : Contact : Comment : showpd -p -devtype...查看硬盘可用裸容量和类型 showpd -p -devtype FC 查看fc类型的盘,rpm这一列可以区分10k还是15k。
archivelog all delete all input; 5> release channel ch1; 6> } allocated channel: ch1 channel ch1: sid=13 devtype...database controlfile instead of recovery catalog allocated channel: ORA_DISK_1 channel ORA_DISK_1: sid=18 devtype...database controlfile instead of recovery catalog allocated channel: ORA_DISK_1 channel ORA_DISK_1: sid=10 devtype
在linux系统中使用snd_pcm结构表示一个pcm设备。...linux系统中使用snd_pcm_str定义stream, 使用snd_pcm_substream定义substream。...(err) { mutex_unlock(®ister_mutex); return err; } for (cidx = 0; cidx < 2; cidx++) { int devtype...case SNDRV_PCM_STREAM_PLAYBACK: sprintf(str, "pcmC%iD%ip", pcm->card->number, pcm->device); devtype...case SNDRV_PCM_STREAM_CAPTURE: sprintf(str, "pcmC%iD%ic", pcm->card->number, pcm->device); devtype
pcm实例数量的这种限制源于linux设备号所占用的位大小,如果以后使用64位的设备号,我们将可以创建更多的pcm实例。不过大多数情况下,在嵌入式设备中,一个pcm实例已经足够了。...snd_pcm_dev_register(struct snd_device *device) { ...... /* register pcm */ err = snd_register_device_for_dev(devtype...case SNDRV_PCM_STREAM_PLAYBACK: sprintf(str, "pcmC%iD%ip", pcm->card->number, pcm->device); devtype...case SNDRV_PCM_STREAM_CAPTURE: sprintf(str, "pcmC%iD%ic", pcm->card->number, pcm->device); devtype...dev = snd_card_get_device_link(pcm->card); /* register pcm */ err = snd_register_device_for_dev(devtype
target database control file instead of recovery catalog allocated channel: c1 channel c1: sid=152 devtype...=DISK allocated channel: c2 channel c2: sid=159 devtype=DISK allocated channel: c3 channel c3: sid=...144 devtype=DISK Starting backup at 05-MAY-18 channel c1: starting datafile copy input datafile fno=...RMAN> delete copy of datafile 9,10,11; allocated channel: ORA_DISK_1 channel ORA_DISK_1: sid=146 devtype
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