kubuntu 18.04 connect to wifi using terminal bash konsole


to connect :

  

nmcli device wifi rescan ; nmcli device wifi list 

and you should get something like that

 
IN-USE  SSID  MODE   CHAN  RATE        SIGNAL  BARS  SECURITY 
*       SUPERMAN    Infra  1     195 Mbit/s  37      ▂▄__  WPA2    

so now HERE IT IS:

 nmcli device wifi connect SSID-Name password YOURSILLYLONGPASSWORD

usefull stuff

 nmcli radio
 
WIFI-HW  WIFI     WWAN-HW  WWAN    
enabled  enabled  enabled  enabled 
 
nmcli device
  
DEVICE  TYPE      STATE      CONNECTION 
wlp7s0  wifi      connected  SUPERMAN 2       
enp9s0  ethernet  unmanaged  --         
lo      loopback  unmanaged  --    
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Linux kde kubuntu how to check ssd crucial lifetime


Run this , i have sda like dev you could have sdb etc etc

sudo smartctl -a /dev/sda

grepping for crucial : 0x0031

sudo smartctl -a /dev/sda| grep 0031

You should get this

Percent_Lifetime_Used   0x0031   096   096   000    Pre-fail  Offline- 4

means i used 4 % of CRUCIAL LIFETIME

Accessing the KDE Wallet from the command line kde 5 version


I was trying to read some password ON KDE5 from google-chrome through kwallet and it was a bit a pain with qdbusviewer , actually i can’t get it right now,but i found  luckly an old blog entry for kwallet 4 so … here it is a simply scheme to create write and read password for my silly application kde-service-menu-nowardev-scanner

#create a wallet folder kde-service-menu-storage
qdbus org.kde.kwalletd5 /modules/kwalletd5 createFolder "$(qdbus org.kde.kwalletd5 /modules/kwalletd5 org.kde.KWallet.open kdewallet 0 "kde-service-menu-nowardev-scanner")" "kde-service-menu-storage" "kde-service-menu-nowardev-scanner" 
#write an entry for password 
qdbus org.kde.kwalletd5 /modules/kwalletd5 writeEntry "$(qdbus org.kde.kwalletd5 /modules/kwalletd5 org.kde.KWallet.open kdewallet 0 "kde-service-menu-nowardev-scanner")" "kde-service-menu-storage" "mymail@gmail.com" test 1 "kde-service-menu-nowardev-scanner" 
#write the pasword
qdbus org.kde.kwalletd5 /modules/kwalletd5 writePassword "$(qdbus org.kde.kwalletd5 /modules/kwalletd5 org.kde.KWallet.open kdewallet 0 "kde-service-menu-nowardev-scanner")" "kde-service-menu-storage" "mymail@gmail.com" "silly" "kde-service-menu-nowardev-scanner"
#list the folders
 qdbus org.kde.kwalletd5 /modules/kwalletd5 folderList "$(qdbus org.kde.kwalletd5 /modules/kwalletd5 org.kde.KWallet.open kdewallet 0 "kde-service-menu-nowardev-scanner")" "kde-service-menu-nowardev-scanner"
#read the entry
qdbus org.kde.kwalletd5 /modules/kwalletd5 entryList "$(qdbus org.kde.kwalletd5 /modules/kwalletd5 org.kde.KWallet.open kdewallet 0 "kde-service-menu-nowardev-scanner")" "kde-service-menu-storage" "kde-service-menu-nowardev-scanner"
#read the password 
 qdbus org.kde.kwalletd5 /modules/kwalletd5 readPassword "$(qdbus org.kde.kwalletd5 /modules/kwalletd5 org.kde.KWallet.open kdewallet 0 "kde-service-menu-nowardev-scanner")" "kde-service-menu-storage" "mymail@gmail.com" "kde-service-menu-nowardev-scanner"