Is it possible to modify the linux assembler in order to modify what fuctions do?

I was wondering if it were possible to modify the linux assembler in order to change the function of “-” to “+” and vice versa.
I was also wondering if this would affect the whole system making it collapse. I apologize if this question is not appropriate here. Please explain why if it is the case.

E.g:
2+2 = 0
2-2 = 4

linux File structure for different development environments

I have a mounted storage on my RHEL server and I want to create a directory structure for file management. I have two projects right now,viz. project1, project2. I’m planning to have the following directory structures inside the NFS mounted storage for production, development and test server. Please let me know if this looks reasonable/correct.

  • prod
    • project1
      • userfolder1
      • userfolder2
      • userfolder3
    • project2
      • userfolder1
      • userfolder2
      • userfolder3
  • dev
    • project1
      • userfolder1
      • userfolder2
      • userfolder3
    • project2
      • userfolder1
      • userfolder2
      • userfolder3
  • test
    • project1
      • userfolder1
      • userfolder2
      • userfolder3
    • project2
      • userfolder1
      • userfolder2
      • userfolder3

I have used only 2 projects and 3 userfolders for brevity. I can have n number of projects and n number of users

linux – several error for pvcreate and lvcreate

I am getting the following error

pvcreate /dev/mapper/mpathd
  Error reading device /dev/mapper/mpathd at 0 length 512.
  Error reading device /dev/mapper/mpathd at 0 length 4.
  Error reading device /dev/mapper/mpathd at 4096 length 4.
  Error reading device /dev/mapper/mpathd at 0 length 512.
  Error reading device /dev/mapper/mpathd at 0 length 4.
  Error reading device /dev/mapper/mpathd at 4096 length 4.

what should I do to solve this ? how to find what is wrong ?

twrp – Backup LineageOS Lake to Linux PC

How could I achieve the above without TWRP? can this be done with ADB?

The official LOS guide specifies using Lineage Recovery. I heard TWRP needs manual application of Lineage update rather than LOS automatically applying update itself. Does this still hold true?

I need to run with image backup as losing everything is very frustrating.

Phone in question is Motorola G7 Plus running LineageOS 17.1 hooked up to a openSUSE PC.

linux – Mismatch of postgresql versions

I installed rh-postgresql12 in my server. These are the steps I used to install and enable it and its dependencies :

Installation :

yum -y install rh-postgresql12 rh-postgresql12-postgresql rh-postgresql12-postgresql-contrib rh-postgresql12-postgresql-devel rh-postgresql12-postgresql-libs

Enabling with scl :

scl enable rh-postgresql12 bash

Initialize and start :

postgresql-setup –initdb
service rh-postgresql10-postgresql start

However, when I do a “find” for psql :

(root@zabbixtest3 ~)# find / -name psql
/usr/bin/psql
/opt/rh/rh-postgresql12/root/usr/bin/psql

There are 2 of it, and the first one is for psql 9.2. I need to use only rh-postgresql12. How do I use it without invoking the entire path :

-bash-4.2$ /opt/rh/rh-postgresql12/root/usr/bin/psql -U postgres postgres
psql (12.1)
Type "help" for help.

postgres=#

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linux – I want to taz gz file of the month of January

-rw-r–r–. 1 root root 4788074 Jan 1 01:50 2020-01-01-00-50-18.done.csv
-rw-r–r–. 1 root root 4842864 Jan 1 02:50 2020-01-01-01-50-18.done.csv
-rw-r–r–. 1 root root 4923486 Jan 1 03:50 2020-01-01-02-50-18.done.csv
-rw-r–r–. 1 root root 4680510 Jan 1 04:50 2020-01-01-03-50-18.done.csv
-rw-r–r–. 1 root root 4677980 Jan 1 05:50 2020-01-01-04-50-18.done.csv
-rw-r–r–. 1 root root 4751777 Jan 1 06:50 2020-01-01-05-50-18.done.csv
-rw-r–r–. 1 root root 4548556 Jan 1 07:50 2020-01-01-06-50-18.done.csv
-rw-r–r–. 1 root root 4722964 Jan 1 08:50 2020-01-01-07-50-18.done.csv
-rw-r–r–. 1 root root 4559160 Jan 1 09:50 2020-01-01-08-50-18.done.csv
-rw-r–r–. 1 root root 4874675 Jan 1 10:50 2020-01-01-09-50-18.done.csv
-rw-r–r–. 1 root root 4824802 Jan 1 11:50 2020-01-01-10-50-18.done.csv
-rw-r–r–. 1 root root 4865174 Jan 1 12:50 2020-01-01-11-50-18.done.csv
-rw-r–r–. 1 root root 4968536 Jan 1 13:50 2020-01-01-12-50-18.done.csv
-rw-r–r–. 1 root root 4732558 Jan 1 14:50 2020-01-01-13-50-18.done.csv
-rw-r–r–. 1 root root 4529904 Jan 1 15:50 2020-01-01-14-50-18.done.csv
-rw-r–r–. 1 root root 4635235 Jan 1 16:50 2020-01-01-15-50-18.done.csv
-rw-r–r–. 1 root root 4642695 Jan 1 17:50 2020-01-01-16-50-18.done.csv
-rw-r–r–. 1 root root 4692022 Jan 1 18:50 2020-01-01-17-50-18.done.csv
-rw-r–r–. 1 root root 4576366 Jan 1 19:50 2020-01-01-18-50-18.done.csv
-rw-r–r–. 1 root root 4656134 Jan 1 20:50 2020-01-01-19-50-18.done.csv
-rw-r–r–. 1 root root 4488401 Jan 1 21:50 2020-01-01-20-50-18.done.csv
-rw-r–r–. 1 root root 4951205 Jan 1 22:50 2020-01-01-21-50-18.done.csv
-rw-r–r–. 1 root root 4811404 Jan 1 23:50 2020-01-01-22-50-18.done.csv
-rw-r–r–. 1 root root 4844354 Jan 2 00:50 2020-01-01-23-50-18.done.csv
-rw-r–r–. 1 root root 4537539 Jan 2 01:50 2020-01-02-00-50-18.done.csv
-rw-r–r–. 1 root root 4759361 Jan 2 02:50 2020-01-02-01-50-18.done.csv
-rw-r–r–. 1 root root 4668596 Jan 2 03:50 2020-01-02-02-50-18.done.csv
-rw-r–r–. 1 root root 4673695 Jan 2 04:50 2020-01-02-03-50-18.done.csv
-rw-r–r–. 1 root root 4723943 Jan 2 05:50 2020-01-02-04-50-18.done.csv
-rw-r–r–. 1 root root 4990460 Jan 2 06:50 2020-01-02-05-50-18.done.csv
-rw-r–r–. 1 root root 4652880 Jan 2 07:50 2020-01-02-06-50-18.done.csv
-rw-r–r–. 1 root root 4741079 Jan 2 08:50 2020-01-02-07-50-18.done.csv
-rw-r–r–. 1 root root 4657027 Jan 2 09:50 2020-01-02-08-50-18.done.csv
-rw-r–r–. 1 root root 4946855 Jan 2 10:50 2020-01-02-09-50-18.done.csv
-rw-r–r–. 1 root root 4803728 Jan 2 11:50 2020-01-02-10-50-18.done.csv
-rw-r–r–. 1 root root 5017282 Jan 2 12:50 2020-01-02-11-50-18.done.csv
-rw-r–r–. 1 root root 4911913 Jan 2 13:50 2020-01-02-12-50-18.done.csv
-rw-r–r–. 1 root root 4816238 Jan 2 14:50 2020-01-02-13-50-18.done.csv
-rw-r–r–. 1 root root 5313896 Jan 2 15:50 2020-01-02-14-50-18.done.csv
-rw-r–r–. 1 root root 4575515 Jan 2 16:50 2020-01-02-15-50-18.done.csv
-rw-r–r–. 1 root root 5007872 Jan 2 17:50 2020-01-02-16-50-18.done.csv
-rw-r–r–. 1 root root 4584649 Jan 2 18:50 2020-01-02-17-50-18.done.csv
-rw-r–r–. 1 root root 4741846 Jan 2 19:50 2020-01-02-18-50-18.done.csv
-rw-r–r–. 1 root root 4555937 Jan 2 20:50 2020-01-02-19-50-18.done.csv
-rw-r–r–. 1 root root 4673201 Jan 2 21:50 2020-01-02-20-50-18.done.csv
-rw-r–r–. 1 root root 4577218 Jan 2 22:50 2020-01-02-21-50-18.done.csv
-rw-r–r–. 1 root root 5155948 Jan 2 23:50 2020-01-02-22-50-18.done.csv
-rw-r–r–. 1 root root 4687444 Jan 3 00:50 2020-01-02-23-50-18.done.csv
-rw-r–r–. 1 root root 4792506 Jan 3 01:50 2020-01-03-00-50-18.done.csv
-rw-r–r–. 1 root root 4843106 Jan 3 02:50 2020-01-03-01-50-18.done.csv
-rw-r–r–. 1 root root 4934162 Jan 3 03:50 2020-01-03-02-50-18.done.csv
-rw-r–r–. 1 root root 4716092 Jan 3 04:50 2020-01-03-03-50-18.done.csv
-rw-r–r–. 1 root root 4905969 Jan 3 05:50 2020-01-03-04-50-18.done.csv
-rw-r–r–. 1 root root 4690858 Jan 3 06:50 2020-01-03-05-50-18.done.csv
-rw-r–r–. 1 root root 4828489 Jan 3 07:50 2020-01-03-06-50-18.done.csv
-rw-r–r–. 1 root root 4821478 Jan 3 08:50 2020-01-03-07-50-18.done.csv
-rw-r–r–. 1 root root 4894036 Jan 3 09:50 2020-01-03-08-50-18.done.csv
-rw-r–r–. 1 root root 5424323 Jan 3 10:50 2020-01-03-09-50-18.done.csv
-rw-r–r–. 1 root root 4744014 Jan 3 11:50 2020-01-03-10-50-18.done.csv
-rw-r–r–. 1 root root 4932617 Jan 3 12:50 2020-01-03-11-50-18.done.csv
-rw-r–r–. 1 root root 4842501 Jan 3 13:50 2020-01-03-12-50-18.done.csv
-rw-r–r–. 1 root root 4524026 Jan 3 14:50 2020-01-03-13-50-18.done.csv
-rw-r–r–. 1 root root 4946224 Jan 3 15:50 2020-01-03-14-50-18.done.csv
-rw-r–r–. 1 root root 4566169 Jan 3 16:50 2020-01-03-15-50-18.done.csv
-rw-r–r–. 1 root root 4773635 Jan 3 17:50 2020-01-03-16-50-18.done.csv
-rw-r–r–. 1 root root 4798284 Jan 3 18:50 2020-01-03-17-50-18.done.csv
-rw-r–r–. 1 root root 5288375 Jan 3 19:50 2020-01-03-18-50-18.done.csv
-rw-r–r–. 1 root root 4898281 Jan 3 20:50 2020-01-03-19-50-18.done.csv
-rw-r–r–. 1 root root 4506452 Jan 3 21:50 2020-01-03-20-50-18.done.csv
-rw-r–r–. 1 root root 4646175 Jan 3 22:50 2020-01-03-21-50-18.done.csv
-rw-r–r–. 1 root root 5030097 Jan 3 23:50 2020-01-03-22-50-18.done.csv
-rw-r–r–. 1 root root 5605197 Jan 4 00:50 2020-01-03-23-50-18.done.csv
-rw-r–r–. 1 root root 4736382 Jan 4 01:50 2020-01-04-00-50-18.done.csv
-rw-r–r–. 1 root root 4592270 Jan 4 02:50 2020-01-04-01-50-18.done.csv
-rw-r–r–. 1 root root 4813510 Jan 4 03:50 2020-01-04-02-50-18.done.csv
-rw-r–r–. 1 root root 4567148 Jan 4 04:50 2020-01-04-03-50-18.done.csv
-rw-r–r–. 1 root root 4741853 Jan 4 05:50 2020-01-04-04-50-18.done.csv
-rw-r–r–. 1 root root 4751927 Jan 4 06:50 2020-01-04-05-50-18.done.csv
-rw-r–r–. 1 root root 5506448 Jan 4 07:50 2020-01-04-06-50-18.done.csv
-rw-r–r–. 1 root root 4530657 Jan 4 08:50 2020-01-04-07-50-18.done.csv
-rw-r–r–. 1 root root 4719368 Jan 4 09:50 2020-01-04-08-50-18.done.csv
-rw-r–r–. 1 root root 4496496 Jan 4 10:50 2020-01-04-09-50-18.done.csv
-rw-r–r–. 1 root root 5381188 Jan 4 11:50 2020-01-04-10-50-18.done.csv
-rw-r–r–. 1 root root 4748541 Jan 4 12:50 2020-01-04-11-50-18.done.csv
-rw-r–r–. 1 root root 4851498 Jan 4 13:50 2020-01-04-12-50-18.done.csv
-rw-r–r–. 1 root root 4617132 Jan 4 14:50 2020-01-04-13-50-18.done.csv
-rw-r–r–. 1 root root 4681207 Jan 4 15:50 2020-01-04-14-50-18.done.csv
-rw-r–r–. 1 root root 4494570 Jan 4 16:50 2020-01-04-15-50-18.done.csv
-rw-r–r–. 1 root root 4615356 Jan 4 17:50 2020-01-04-16-50-18.done.csv
-rw-r–r–. 1 root root 4547251 Jan 4 18:50 2020-01-04-17-50-18.done.csv
-rw-r–r–. 1 root root 4805116 Jan 4 19:50 2020-01-04-18-50-18.done.csv
-rw-r–r–. 1 root root 4459534 Jan 4 20:50 2020-01-04-19-50-18.done.csv
-rw-r–r–. 1 root root 4604982 Jan 4 21:50 2020-01-04-20-50-18.done.csv
-rw-r–r–. 1 root root 4541867 Jan 4 22:50 2020-01-04-21-50-18.done.csv
-rw-r–r–. 1 root root 4634665 Jan 4 23:50 2020-01-04-22-50-18.done.csv
-rw-r–r–. 1 root root 6385276 Jan 5 00:50 2020-01-04-23-50-18.done.csv
-rw-r–r–. 1 root root 4720039 Jan 5 01:50 2020-01-05-00-50-18.done.csv
-rw-r–r–. 1 root root 4538038 Jan 5 02:50 2020-01-05-01-50-18.done.csv
-rw-r–r–. 1 root root 4805062 Jan 5 03:50 2020-01-05-02-50-18.done.csv
-rw-r–r–. 1 root root 4504024 Jan 5 04:50 2020-01-05-03-50-18.done.csv
-rw-r–r–. 1 root root 4741266 Jan 5 05:50 2020-01-05-04-50-18.done.csv
-rw-r–r–. 1 root root 4523127 Jan 5 06:50 2020-01-05-05-50-18.done.csv
-rw-r–r–. 1 root root 4618309 Jan 5 07:50 2020-01-05-06-50-18.done.csv
-rw-r–r–. 1 root root 4482153 Jan 5 08:50 2020-01-05-07-50-18.done.csv
-rw-r–r–. 1 root root 4622415 Jan 5 09:50 2020-01-05-08-50-18.done.csv
-rw-r–r–. 1 root root 4649883 Jan 5 10:50 2020-01-05-09-50-18.done.csv
-rw-r–r–. 1 root root 4861573 Jan 5 11:50 2020-01-05-10-50-18.done.csv
-rw-r–r–. 1 root root 4732140 Jan 5 12:50 2020-01-05-11-50-18.done.csv
-rw-r–r–. 1 root root 5198848 Jan 5 13:50 2020-01-05-12-50-18.done.csv
-rw-r–r–. 1 root root 4480850 Jan 5 14:50 2020-01-05-13-50-18.done.csv
-rw-r–r–. 1 root root 4508642 Jan 5 15:50 2020-01-05-14-50-18.done.csv
-rw-r–r–. 1 root root 4518709 Jan 5 16:50 2020-01-05-15-50-18.done.csv
-rw-r–r–. 1 root root 4575821 Jan 5 17:50 2020-01-05-16-50-18.done.csv
-rw-r–r–. 1 root root 4507744 Jan 5 18:50 2020-01-05-17-50-18.done.csv
-rw-r–r–. 1 root root 4643905 Jan 5 19:50 2020-01-05-18-50-18.done.csv
-rw-r–r–. 1 root root 4473434 Jan 5 20:50 2020-01-05-19-50-18.done.csv
-rw-r–r–. 1 root root 4543923 Jan 5 21:50 2020-01-05-20-50-18.done.csv
-rw-r–r–. 1 root root 4487512 Jan 5 22:50 2020-01-05-21-50-18.done.csv
-rw-r–r–. 1 root root 4759356 Jan 5 23:50 2020-01-05-22-50-18.done.csv
-rw-r–r–. 1 root root 4637896 Jan 6 00:50 2020-01-05-23-50-18.done.csv
-rw-r–r–. 1 root root 7364516 Jan 6 01:50 2020-01-06-00-50-18.done.csv
-rw-r–r–. 1 root root 6389317 Jan 6 02:50 2020-01-06-01-50-18.done.csv
-rw-r–r–. 1 root root 6655708 Jan 6 03:50 2020-01-06-02-50-18.done.csv
-rw-r–r–. 1 root root 6398235 Jan 6 04:50 2020-01-06-03-50-18.done.csv
-rw-r–r–. 1 root root 6452437 Jan 6 05:50 2020-01-06-04-50-18.done.csv

I want to tar gz file for the month of January

[UK] Looking for VPS Host (Linux cPanel)


Good Morning,

I’m looking for a VPS in the UK, please.

Minimum requirements:

1) Four static IP addresses

2) Linux o/s

3) Supported cPanel release

4) Some remote-hands support if I have difficulty migrating sites

I’ve been with UK2.net (current supplier) for five years. Over the recent months, I’ve personally found a reduction in their quality of service, and overall response rate – this is after having taken into account the current state of things due to COVID-19.

I need to move from UK2.net asap. This is because the VPS I use is no longer supported by cPanel (end-of-life), and UK2 will not assist or provide reasonable assistance in migrating to a new server. From my perspective, they seem happy to let me remain on a VPS which could, from time to time, become exploited by an out-of-date cPanel installation. I am not happy with this arrangement, as UK2.net are essentially providing platforms which are end-of-life for vendor support.

I need a minimum of 50GB worth of space, ability to use custom DNS, 6GB RAM and if possible SSD hosting. I want to be able to setup this new VPS, then use the cPanel migration tool to migrate all content from VPS1 to VPS2.

The sites I host are all WordPress based, vanilla content.

Many thanks

Dave

network – need a utility to use RCP from AIX to Linux or Windows that does not follow links

I have an ancient AIX 5.1.0.0 server that I cannot install RSYNC on and doesn’t support SCP.

I need to back up the files so I started using rcp to a Linux VM but have 3 different directories that evidently have loops due to links such as shown below :

rcp: /usr/websm/html/en_US/wsmship/html/en_US/wsmship/html/en_US/wsmship/html/en_US/wsmship/html/en_US/wsmship/html/en_US/wsmship/html/en_US/wsmship/html/en_US/wsmship/html/en_US/wsmship/html/en_US/wsmship/html/en_US/wsmship/html/en_US/wsmship/html/en_US/wsmship/html/en_US/wsmship/html/en_US/wsmship/html/en_US/wsmship/html/en_US/wsmship/html/en_US/wsmship/html/en_US/wsmship/html/en_US/wsmship/bin/wsmrefresh: There are too many levels of symbolic links to translate a path name.

I was hoping filezilla or winscp would have a switch to allow me to copy from old machine using RCP but no such luck. No file space on the disk to tar and move. No way to attach external devices as it is remote and being scrapped.

I got everything copied from the server except the 3 directories that apparently have loops and would just like a windows utility to do it.

If I could install software rsync would have made this much easier, but the prerequisites can’t be accomplished (I already tried the install of rsync)

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