Unpack the uramdisk using following command in host PC(Linux) mkdir /tmp/initrc cd /tmp/initrd sudo mount /dev/sdb1 /mnt sdb1 is partion where uramdisk/uInitrd resides. dd bs=1 skip=64 if=/mnt/uInitrd of=initrd.gz gunzip initrd.gz At this point running the command file initrd should show: mkdir fs cd fs cpio -id < ../initrd Make changes to init.rc Pack uramdisk using … Read more
In this example of a rc.local script I use io redirection at the very first line of execution to my own log file: #!/bin/sh -e # # rc.local # # This script is executed at the end of each multiuser runlevel. # Make sure that the script will “exit 0” on success or any other … Read more
As you’re on a shared Linux box, you’ll have to ask the system administrator to do the following, probably. Create a startup script in /etc/init.d/solr. Copy this code, my Solr startup script, into that file: #!/bin/sh # Prerequisites: # 1. Solr needs to be installed at /usr/local/solr/example # 2. daemon needs to be installed # … Read more
disable that and go back to the previous behavior Unselect quick boot as shown below This is default behaviour from update of Android Studio 3.0 Please unselect quick boot if you don’t want to save state and select cold boot Check quick boot emulator in details Steps 1> Choose device like phone – pixel 2 … Read more
Currently, there are two exception models in the ARM architecture (reset is considered a kind of exception): The classic model, used in pre-Cortex chip and current Cortex-A/R chips. In it, the memory at 0 contains several exception handlers: Offset Handler =============== 00 Reset 04 Undefined Instruction 08 Supervisor Call (SVC) 0C Prefetch Abort 10 Data … Read more
You can emulate all broadcast actions by connecting via adb to the device and open a device shell. Here we go: open console/terminal and navigating to /platform-tools type adb shell or on linux/mac ./adb shell in the shell type am broadcast -a android.intent.action.BOOT_COMPLETED or whatever action you want to fire There are a bunch of … Read more
I think you are right in all. The difference is easy to see if you follow the steps needed when booting: initrd A ramdev block device is created. It is a ram-based block device, that is a simulated hard disk that uses memory instead of physical disks. The initrd file is read and unzipped into … Read more
I am a bit surprised you didn’t have this script in place from simply installing systemd, but (in general) I think the answer is that you should put it into /etc/systemd/system. In this situation (since you are doing all this to try and get a machine-id, in order to make journald work), I guess I … Read more
Currently, Upstart in Ubuntu does not generate network events. Instead it calls traditional sysvinit. By default NetworkManager is installed and running; rather than emit network events to upstart, it contains a run-parts dispatcher (/etc/NetworkManager/dispatcher.d/) which itself simply relies on ifupdown’s run-parts dispatcher (/etc/network/*.d/). In particular you care about /etc/network/if-up.d/ and /etc/network/if-down.d/ First set up a … Read more
Taken from the following website ## Install yum utils ## yum install yum-utils ## Package-cleanup set count as how many old kernels you want left ## package-cleanup –oldkernels –count=2 This will remove all older kernels and keep only the two most recent kernels on centos 6.4 which is probably what you want since recent kernels … Read more