https://github.com/spitfire-666/linux
linux stuff
https://github.com/spitfire-666/linux
Last synced: 3 months ago
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linux stuff
- Host: GitHub
- URL: https://github.com/spitfire-666/linux
- Owner: SpitFire-666
- Created: 2021-07-23T12:40:13.000Z (about 4 years ago)
- Default Branch: main
- Last Pushed: 2025-02-20T23:21:06.000Z (8 months ago)
- Last Synced: 2025-02-21T00:39:51.002Z (8 months ago)
- Size: 39.1 KB
- Stars: 0
- Watchers: 1
- Forks: 0
- Open Issues: 0
-
Metadata Files:
- Readme: README.md
Awesome Lists containing this project
README
### Create a variable
```bash
VARIABLE_NAME=value
```
### Install Cool Retro Term (ubuntu)
```bash
sudo apt install cool-retro-term -y
```
### Install SSH server (ubuntu)
```bash
sudo apt get install openssh-server -y
sudo systemctl enable ssh && sudo systemctl start ssh
```
### 🔓 Disable auto screen lock
```bash
gsettings set org.gnome.desktop.screensaver lock-enabled false
```
### Install virtualbox guest additions
```bash
sudo sh /media/user/VBox_GAs_7.1.6/VBoxLinuxAdditions.run
```
### Dark mode
```bash
gsettings set org.gnome.desktop.interface gtk-theme 'Adwaita-dark'
```
### Autologon
```
TBC
```
### Run program at startup
```
TBC
```
### Networking: show default gateway
```bash
ip route list
```
- remove default gateway
```bash
sudo ip route delete default
```
- Add default gateway
```bash
sudo ip route add default via 192.168.1.1 dev eth0
```
### Uninstall bloatware
```bash
sudo apt-get remove thunderbird -y
sudo apt-get remove libreoffice* -y
sudo apt-get remove hexchat -y
sudo apt-get remove pix -y
sudo apt-get remove transmission-* -y
sudo apt-get remove bluetooth -y
sudo apt-get remove blueman -y
sudo apt-get remove celluloid -y
sudo apt-get remove hypnotix -y
sudo apt-get remove rhythmbox -y
sudo apt-get remove webapp-manager -y
sudo apt-get remove drawing -y
```
### 🔨 FIX repos/errors
```bash
sudo apt autoremove
sudo apt --fix-broken install -y
sudo apt update
sudo apt-get --allow-releaseinfo-change update
```
### SSH without password
Generate the key on the local system (Requires Win10)
```ps
ssh-keygen.exe
cat ~\.ssh\id_rsa.pub | clip # copy public key to clipboard
```
Add the clipboard contents to the authorized_keys file on the Linux box
```bash
sudo nano ~/.ssh/authorized_keys
```
## Update/Upgrade repos
```console
sudo apt update && sudo apt upgrade
```
### Message Of The Day (MOTD)
````cat /etc/motd````
Use NeoFetch for a nice MOTD
```bash
sudo apt-get install neofetch -y && sudo bash -c $'echo "neofetch" >> /etc/profile.d/mymotd.sh && chmod +x /etc/profile.d/mymotd.sh'
```
### Add unstable repo
sudo apt edit-sources
````
deb https://deb.debian.org/debian/ unstable main contrib non-free
deb-src https://deb.debian.org/debian/ unstable main contrib non-free
````
## SMB Server
- Install samba:
```console
sudo apt-get install samba -y
```
- configure samba:
```console
sudo nano /etc/samba/smb.conf
```
- Append this config - adjust the Valid users line if required:
````
[sharedfolder]
comment = secured shared folder
path = /srv/samba/data
Valid users = pi
guest ok = no
writable = yes
privatable = no
browsable = yes
````
- Create a login for user "pi"
```console
sudo smbpasswd -a pi
```
- Restart the service
```console
sudo service smbd restart
```
- If you get an error about guest access on Windows, use gpedit.msc to adjust this setting:
```
Computer configuration > administrative templates > network > Lanman Workstation: "Enable insecure guest logons" = Enabled
```
### Bash script example
https://linuxhint.com/30_bash_script_examples/
````console
for i in {1..5};
do
echo "$i" ;
done
````
### install powershell
```bash
sudo apt-get install -y powershell
```
Show available Shells
```bash
cat /etc/shells
```
Change default shell to PowerShell
```console
sudo chsh username -s /usr/bin/powershell
```
Install java (to launch .jar files)
```console
sudo apt-get install openjdk-9-jre
```
Mark a file as executable (eg .jar files)
```console
sudo chmod +x /home/mike/Downloads/minecraft.jar
```
## Check SELinux status
```console
Sestatus
```
## Stop Firewall service
```bash
sudo service firewalld stop
```
## Set/change hostname
Reboot may be required to change the hostname
```bash
sudo hostnamectl set-hostname
```
### Grep
Search for a string in raw text files:
```bash
grep -r -i YOURKEYWORDHERE
```
### Sleep
## Modern Linux Tool Alternatives
### cat (bat)
sudo apt-get --allow-releaseinfo-change update
https://github.com/ibraheemdev/modern-unix