Author Archives: SoCRaT

About SoCRaT

Research Support and Infrastructure Engineer, OSS & Linux Geek

Using gzip to compress a file without overriding it

gzip < source_file > compressed_file.gz Source: https://unix.stackexchange.com/questions/46786/how-to-tell-gzip-to-keep-original-file

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Resize root filesystem on Ubuntu 18.04 with LVM

Ubuntu 18.04 default lvm layout comes with only a 4 GB root partition. Here we will extend it to occupy the full free space in the volume group: sudo lvextend -l 100%FREE –resizefs /dev/ubuntu-vg/ubuntu-lv That’s it, Enjoy! Sources: https://access.redhat.com/solutions/44089 https://www.digitalocean.com/community/tutorials/how-to-use-lvm-to-manage-storage-devices-on-ubuntu-18-04

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How to scan for devices in your network in Ubuntu

sudo apt install arp-scan sudo arp-scan -l –interface=wlp2s0 Replace wlp2s0 with your NIC’s name, works for both wireless and wired Source: https://askubuntu.com/questions/82480/how-to-see-all-computers-connected-to-a-network

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List network adapters connected to Ubuntu Server

sudo ls /sys/class/net Source: https://askubuntu.com/questions/296152/how-to-check-what-is-my-network-card-on-ubuntu

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Validate xml files with xmlstarlet on Ubuntu

sudo apt install xmlstarletxmlstarlet val XML_FILE.xml

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How to resolve KDE Connect App losing connection with Linux after screen is locked on Huawei Phones

I tested on my P10 Plus, but this can work on other Huawei phones as well I believe. I have EMUI 8 with Android 8 and my OS is Ubuntu 18.10 with GSConnect Go to Ignore Battery Optimization -> Change … Continue reading

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Best way to exclude a folder from your search using the “find” command

I found it to be the fastest and most effective way to use the find command and exclude specific folders. That is using the “prune” option: find /FOLDER_TO_SEARCH_INSIDE -path /FOLDER_TO_EXCLUDE -prune -o -name ‘NAME_OR_PATTERN_TO_SEARCH_FOR’ -print That’s it, Enjoy! Source: https://stackoverflow.com/questions/4210042/how-to-exclude-a-directory-in-find-command

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