root@vmi1938749:~# URL=https://www.aapanel.com/script/install_7.0_en.sh && if [ -f /usr/bin/curl ];then curl -ksSO "$URL" ;else wget --no-check-certificate -O install_7.0_en.sh "$URL";fi;bash install_7.0_en.sh aapanel

+----------------------------------------------------------------------
| aaPanel FOR CentOS/Ubuntu/Debian
+----------------------------------------------------------------------
| Copyright © 2015-2099 BT-SOFT(https://www.aapanel.com) All rights reserved.
+----------------------------------------------------------------------
| The WebPanel URL will be https://SERVER_IP:12370 when installed.
+----------------------------------------------------------------------

Do you want to install aaPanel to the /www directory now?(y/n): y
Available disk space on the install partition: 95 G
Hit:1 http://security.ubuntu.com/ubuntu focal-security InRelease
Hit:2 http://archive.ubuntu.com/ubuntu focal InRelease
Hit:3 http://archive.ubuntu.com/ubuntu focal-updates InRelease
Hit:4 http://archive.ubuntu.com/ubuntu focal-backports InRelease
Reading package lists... Done
E: Could not get lock /var/lib/dpkg/lock-frontend. It is held by process 1940 (apt-get)
N: Be aware that removing the lock file is not a solution and may break your system.
E: Unable to acquire the dpkg frontend lock (/var/lib/dpkg/lock-frontend), is another process using it?
E: Could not get lock /var/lib/dpkg/lock-frontend. It is held by process 1940 (apt-get)
N: Be aware that removing the lock file is not a solution and may break your system.
E: Unable to acquire the dpkg frontend lock (/var/lib/dpkg/lock-frontend), is another process using it?
E: Could not get lock /var/lib/dpkg/lock-frontend. It is held by process 1940 (apt-get)
N: Be aware that removing the lock file is not a solution and may break your system.
E: Unable to acquire the dpkg frontend lock (/var/lib/dpkg/lock-frontend), is another process using it?
E: Could not get lock /var/lib/dpkg/lock-frontend. It is held by process 1940 (apt-get)
N: Be aware that removing the lock file is not a solution and may break your system.
E: Unable to acquire the dpkg frontend lock (/var/lib/dpkg/lock-frontend), is another process using it?
dpkg-query: no packages found matching libcurl4-openssl-dev
E: Could not get lock /var/lib/dpkg/lock-frontend. It is held by process 1940 (apt-get)
N: Be aware that removing the lock file is not a solution and may break your system.
E: Unable to acquire the dpkg frontend lock (/var/lib/dpkg/lock-frontend), is another process using it?
dpkg-query: no packages found matching gcc
E: Could not get lock /var/lib/dpkg/lock-frontend. It is held by process 1940 (apt-get)
N: Be aware that removing the lock file is not a solution and may break your system.
E: Unable to acquire the dpkg frontend lock (/var/lib/dpkg/lock-frontend), is another process using it?
dpkg-query: no packages found matching zip
E: Could not get lock /var/lib/dpkg/lock-frontend. It is held by process 1940 (apt-get)
N: Be aware that removing the lock file is not a solution and may break your system.
E: Unable to acquire the dpkg frontend lock (/var/lib/dpkg/lock-frontend), is another process using it?
dpkg-query: no packages found matching unzip
E: Could not get lock /var/lib/dpkg/lock-frontend. It is held by process 1940 (apt-get)
N: Be aware that removing the lock file is not a solution and may break your system.
E: Unable to acquire the dpkg frontend lock (/var/lib/dpkg/lock-frontend), is another process using it?
dpkg-query: no packages found matching libssl-dev
E: Could not get lock /var/lib/dpkg/lock-frontend. It is held by process 1940 (apt-get)
N: Be aware that removing the lock file is not a solution and may break your system.
E: Unable to acquire the dpkg frontend lock (/var/lib/dpkg/lock-frontend), is another process using it?
dpkg-query: no packages found matching gcc
E: Could not get lock /var/lib/dpkg/lock-frontend. It is held by process 1940 (apt-get)
N: Be aware that removing the lock file is not a solution and may break your system.
E: Unable to acquire the dpkg frontend lock (/var/lib/dpkg/lock-frontend), is another process using it?
dpkg-query: no packages found matching libxml2-dev
E: Could not get lock /var/lib/dpkg/lock-frontend. It is held by process 1940 (apt-get)
N: Be aware that removing the lock file is not a solution and may break your system.
E: Unable to acquire the dpkg frontend lock (/var/lib/dpkg/lock-frontend), is another process using it?
dpkg-query: no packages found matching libxslt-dev
E: Could not get lock /var/lib/dpkg/lock-frontend. It is held by process 1940 (apt-get)
N: Be aware that removing the lock file is not a solution and may break your system.
E: Unable to acquire the dpkg frontend lock (/var/lib/dpkg/lock-frontend), is another process using it?
dpkg-query: no packages found matching zlib1g-dev
E: Could not get lock /var/lib/dpkg/lock-frontend. It is held by process 1940 (apt-get)
N: Be aware that removing the lock file is not a solution and may break your system.
E: Unable to acquire the dpkg frontend lock (/var/lib/dpkg/lock-frontend), is another process using it?
dpkg-query: no packages found matching libjpeg-dev
E: Could not get lock /var/lib/dpkg/lock-frontend. It is held by process 1940 (apt-get)
N: Be aware that removing the lock file is not a solution and may break your system.
E: Unable to acquire the dpkg frontend lock (/var/lib/dpkg/lock-frontend), is another process using it?
dpkg-query: no packages found matching libpng-dev
E: Could not get lock /var/lib/dpkg/lock-frontend. It is held by process 1940 (apt-get)
N: Be aware that removing the lock file is not a solution and may break your system.
E: Unable to acquire the dpkg frontend lock (/var/lib/dpkg/lock-frontend), is another process using it?
dpkg-query: no packages found matching net-tools
E: Could not get lock /var/lib/dpkg/lock-frontend. It is held by process 1940 (apt-get)
N: Be aware that removing the lock file is not a solution and may break your system.
E: Unable to acquire the dpkg frontend lock (/var/lib/dpkg/lock-frontend), is another process using it?
dpkg-query: no packages found matching swig
E: Could not get lock /var/lib/dpkg/lock-frontend. It is held by process 1940 (apt-get)
N: Be aware that removing the lock file is not a solution and may break your system.
E: Unable to acquire the dpkg frontend lock (/var/lib/dpkg/lock-frontend), is another process using it?
dpkg-query: no packages found matching build-essential
E: Could not get lock /var/lib/dpkg/lock-frontend. It is held by process 1940 (apt-get)
N: Be aware that removing the lock file is not a solution and may break your system.
E: Unable to acquire the dpkg frontend lock (/var/lib/dpkg/lock-frontend), is another process using it?
dpkg-query: no packages found matching libffi-dev
E: Could not get lock /var/lib/dpkg/lock-frontend. It is held by process 1940 (apt-get)
N: Be aware that removing the lock file is not a solution and may break your system.
E: Unable to acquire the dpkg frontend lock (/var/lib/dpkg/lock-frontend), is another process using it?
dpkg-query: no packages found matching libbz2-dev
E: Could not get lock /var/lib/dpkg/lock-frontend. It is held by process 1940 (apt-get)
N: Be aware that removing the lock file is not a solution and may break your system.
E: Unable to acquire the dpkg frontend lock (/var/lib/dpkg/lock-frontend), is another process using it?
dpkg-query: no packages found matching libncurses-dev
E: Could not get lock /var/lib/dpkg/lock-frontend. It is held by process 1940 (apt-get)
N: Be aware that removing the lock file is not a solution and may break your system.
E: Unable to acquire the dpkg frontend lock (/var/lib/dpkg/lock-frontend), is another process using it?
dpkg-query: no packages found matching libsqlite3-dev
E: Could not get lock /var/lib/dpkg/lock-frontend. It is held by process 1940 (apt-get)
N: Be aware that removing the lock file is not a solution and may break your system.
E: Unable to acquire the dpkg frontend lock (/var/lib/dpkg/lock-frontend), is another process using it?
dpkg-query: no packages found matching libreadline-dev
E: Could not get lock /var/lib/dpkg/lock-frontend. It is held by process 1940 (apt-get)
N: Be aware that removing the lock file is not a solution and may break your system.
E: Unable to acquire the dpkg frontend lock (/var/lib/dpkg/lock-frontend), is another process using it?
dpkg-query: no packages found matching tk-dev
E: Could not get lock /var/lib/dpkg/lock-frontend. It is held by process 1940 (apt-get)
N: Be aware that removing the lock file is not a solution and may break your system.
E: Unable to acquire the dpkg frontend lock (/var/lib/dpkg/lock-frontend), is another process using it?
dpkg-query: no packages found matching libgdbm-dev
E: Could not get lock /var/lib/dpkg/lock-frontend. It is held by process 1940 (apt-get)
N: Be aware that removing the lock file is not a solution and may break your system.
E: Unable to acquire the dpkg frontend lock (/var/lib/dpkg/lock-frontend), is another process using it?
dpkg-query: no packages found matching libdb-dev
E: Could not get lock /var/lib/dpkg/lock-frontend. It is held by process 1940 (apt-get)
N: Be aware that removing the lock file is not a solution and may break your system.
E: Unable to acquire the dpkg frontend lock (/var/lib/dpkg/lock-frontend), is another process using it?
dpkg-query: no packages found matching libdb++-dev
E: Could not get lock /var/lib/dpkg/lock-frontend. It is held by process 1940 (apt-get)
N: Be aware that removing the lock file is not a solution and may break your system.
E: Unable to acquire the dpkg frontend lock (/var/lib/dpkg/lock-frontend), is another process using it?
dpkg-query: no packages found matching libpcap-dev
E: Could not get lock /var/lib/dpkg/lock-frontend. It is held by process 1940 (apt-get)
N: Be aware that removing the lock file is not a solution and may break your system.
E: Unable to acquire the dpkg frontend lock (/var/lib/dpkg/lock-frontend), is another process using it?
dpkg-query: no packages found matching ipset
E: Could not get lock /var/lib/dpkg/lock-frontend. It is held by process 1940 (apt-get)
N: Be aware that removing the lock file is not a solution and may break your system.
E: Unable to acquire the dpkg frontend lock (/var/lib/dpkg/lock-frontend), is another process using it?
dpkg-query: no packages found matching sqlite3
E: Could not get lock /var/lib/dpkg/lock-frontend. It is held by process 1940 (apt-get)
N: Be aware that removing the lock file is not a solution and may break your system.
E: Unable to acquire the dpkg frontend lock (/var/lib/dpkg/lock-frontend), is another process using it?
dpkg-query: no packages found matching uuid-dev
E: Could not get lock /var/lib/dpkg/lock-frontend. It is held by process 1940 (apt-get)
N: Be aware that removing the lock file is not a solution and may break your system.
E: Unable to acquire the dpkg frontend lock (/var/lib/dpkg/lock-frontend), is another process using it?
dpkg-query: no packages found matching libpq-dev
E: Could not get lock /var/lib/dpkg/lock-frontend. It is held by process 1940 (apt-get)
N: Be aware that removing the lock file is not a solution and may break your system.
E: Unable to acquire the dpkg frontend lock (/var/lib/dpkg/lock-frontend), is another process using it?
dpkg-query: no packages found matching liblzma-dev
E: Could not get lock /var/lib/dpkg/lock-frontend. It is held by process 1940 (apt-get)
N: Be aware that removing the lock file is not a solution and may break your system.
E: Unable to acquire the dpkg frontend lock (/var/lib/dpkg/lock-frontend), is another process using it?
Checking necessary dependency system packages
Hit:1 http://security.ubuntu.com/ubuntu focal-security InRelease
Hit:2 http://archive.ubuntu.com/ubuntu focal InRelease
Hit:3 http://archive.ubuntu.com/ubuntu focal-updates InRelease
Hit:4 http://archive.ubuntu.com/ubuntu focal-backports InRelease
Reading package lists... Done
E: Could not get lock /var/lib/dpkg/lock-frontend. It is held by process 1940 (apt-get)
N: Be aware that removing the lock file is not a solution and may break your system.
E: Unable to acquire the dpkg frontend lock (/var/lib/dpkg/lock-frontend), is another process using it?
ERROR: unzip command does not exist, try the following solutions:

Use command reinstall dependent packages: apt-get reinstall -y unzip
Check if system source is available? Try changing available system sources
After solving the above problems, please try to reinstall!
=================================================
Error: unzip command not found, please install unzip command.
Ubuntu 20.04.6 LTS
\l
Bit:64 Mem:5929M Core:4
Linux vmi1938749 5.4.0-176-generic #196-Ubuntu SMP Fri Mar 22 16:46:39 UTC 2024 x86_64 x86_64 x86_64 GNU/Linux
Please screenshot above error message and post forum www.aapanel.com/forum or send email: kern@aapanel.com for help