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Linux Mastering Development

Instaling linux server on old laptop with broken gpu

I tried to install an Ubuntu server to manage sql database for the application im building on my old laptop. I haven’t used it a long time ago because the gpu is dead. Im kinda noob-ish for linux, so can anyone tell me if that is even possible. Laptop is booting, and fans are spinning, […]

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Linux Mastering Development

Trying to install Mullvad VPN on Manjaro ARM Laptop via yay and getting rust backtrace error

Please help me solve this issue! I have already uninstalled rust but that did not solve the problem… Here is the code: error: failed to run custom build command for `libdbus-sys v0.2.1` Caused by: process didn’t exit successfully: `/home/flowet/.cache/yay/mullvad-vpn/src/mullvadvpn-app/target/release/build/libdbus-sys-2e5f442eec395f29/build-script-build` (exit code: 101) — stderr thread ‘main’ panicked at ‘called `Result::unwrap()` on an `Err` value: Command […]

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Mastering Development

Accessibility of a table without header: adding an sr-only class to thead modifying column width [closed]

Adding the class sr-only to a table header modifies the column width. It seems that column width is affected by the header; adding the class sr-only to the thead or td elements changes the width of the visible columns, which get a default width. For background, the class col-del, which appears to have no effect […]

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Mastering Development

Linux: Padding text to fixed length

My text looks like this: some text…………………………12 some more text………………….65 even sometext……………………………..68 In other worlds, it’s a TOC. I’d like the lines to be of equal length, say 32 bytes, padded w/ .. How do I do this in Linux? So far I’ve done everything w/ sed, but I’m not sure about this one EDIT: […]

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Android User Help

Format an SD card from TWRP recovery using shell

I’m trying to format/partition an SD card (that was used as an encrypted storage on an android phone) because it only shows as 15 MB while it’s supposed to be 2 GB. I was intending to install a ROM from TWRP recovery but made a mistake and wiped everything including the SD card and selected […]

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Android User Help

Rotating android bootup screen

I have an android tablet on Android 6.0. I am able to rotate and fix the screen on landscape using adb shell content. I am also able to adjust screen dimensions and resolution using adb shell wm. Now The only thing I need to really do is figure out a way to rotate the entire […]

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Android User Help

Init.d scripts not executed

I use an old Samsumg J120W running Android 6.0.1 that seems not to come with init.d. I have installed init.d using Ruyinferno’s Universal Init.d Support. This claims init.d is working as intended: Nonetheless, init.d scripts are not getting executed. For instance, Universal Init.d Support has a very simple init.d test script: root@j1xltecan:/ # cat /system/etc/init.d/00test […]

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User Help

Excel 365, convert text to date

It looks like this has been a question for a lot of people, but I’ve read over a lot of posts and I still can’t figure this out. I have a column of dates that I copied from a Wikipedia chart. Unfortunately it looks like they are in text format instead of date, but I […]

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Mastering Development System & Network

dracut iscsi netroot – not mounting additional disks

Using iSCSI disks on one of my nodes, I am using dracut to initiate the connection to the root volume; the root disk works as expected, the issue I am having is that my second disk connects, then immediately disconnects before the boot process is complete. I’ve attached output of journalctl with entries related to […]

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Mastering Development System & Network

How to configure the firewall on Centos 7.8 to allow the guest to pickup an IP after booting witn KVM?

So I installed Centos 7.8 on my Laptop using KVM and after troubleshooting multiple issues with this help "A.19. Common libvirt Errors and Troubleshooting Red Hat …" I came to find out that this version does indeed have the firewall enabled by default. So, what do I need to configure on the Firewall to allow […]