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Unable to acquire the dpkg frontend lock (/var/lib/dpkg/lock-frontend), is another process using it? Code Example
cannot find lock /var/lib/dpkg/lock-frontend 
sudo rm /var/lib/dpkg/lock-frontend
sudo rm /var/lib/apt/lists/lock
sudo rm /var/cache/apt/archives/lock
sudo rm /var/lib/dpkg/lock

sudo dpkg --configure -a

sudo apt-get update
sudo apt-get upgrade
sudo apt-get install typespeed

sudo apt install openssh-server
sudo apt install ssh
Unable to acquire the dpkg frontend lock (/var/lib/dpkg/lock-frontend), is another process using it? 
ps aux | grep -i dpkg

// Kill processes which are running
sudo kill -9 <pid>

// Restart the accounts daemon
sudo systemctl restart accounts-daemon
E: Could not get lock /var/lib/dpkg/lock-frontend - open (11: Resource temporarily unavailable) E: Unable to acquire the dpkg frontend lock (/var/lib/dpkg/lock-frontend), is another process using it? 
ps aux | grep -i apt

sudo kill <process_id>
# Check if the process was killed by running the ‘ps aux | grep -i apt’ command. If it is still running, force kill it with SIGKILL signal:

sudo kill -9 <process_id>
# Another, easier way would be to use the killall command. This will kill all the instances of a running program:

sudo killall apt apt-get
Source: itsfoss.com
E: Unable to acquire the dpkg frontend lock (/var/lib/dpkg/lock-frontend), are you root? 
sudo kill -9 PID
sudo rm /var/lib/dpkg/lock-frontend
sudo apt update
Source: itsfoss.com
E: Unable to acquire the dpkg frontend lock (/var/lib/dpkg/lock-frontend), is another process using it? 
sudo rm /var/lib/apt/lists/lock
sudo rm /var/cache/apt/archives/lock
sudo rm /var/lib/dpkg/lock*
Source: askubuntu.com
E: Unable to acquire the dpkg frontend lock (/var/lib/dpkg/lock-frontend), is another process using it? 
sudo lsof /var/lib/dpkg/lock
sudo lsof /var/lib/apt/lists/lock
sudo lsof /var/cache/apt/archives/lock
Source: itsfoss.com



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Type:
 Code Example
Category:
 Coding
Sub Category:
 Code Example
Uploaded by:
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Views:
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Horje