error occurred while upgrading my server from Ubuntu 18 to 20 LTS ProblemType: Package DistroRelease: Ubuntu 20.04 Package: apache2 2.4.41-4ubuntu3.4 ProcVersionSignature: Ubuntu 4.15.0-156.163-generic 4.15.18 Uname: Linux 4.15.0-156-generic x86_64 NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair Apache2ConfdDirListing: False Apache2Modules: Error: command ['/usr/sbin/apachectl', '-D DUMP_MODULES'] failed with exit code 1: apache2: Could not open configuration file /etc/apache2/apache2.conf: No such file or directory Action '-D DUMP_MODULES' failed. The Apache error log may have more information. ApportVersion: 2.20.11-0ubuntu27.18 Architecture: amd64 CasperMD5CheckResult: skip Date: Sat Sep 11 01:44:30 2021 ErrorMessage: installed apache2 package post-installation script subprocess returned error exit status 1 InstallationDate: Installed on 2018-09-26 (1081 days ago) InstallationMedia: Ubuntu-Server 16.04.3 LTS "Xenial Xerus" - Release amd64 (20170801) Python3Details: /usr/bin/python3.8, Python 3.8.10, python3-minimal, 3.8.2-0ubuntu2 PythonDetails: /usr/bin/python2.7, Python 2.7.18, python-is-python2, 2.7.17-4 RelatedPackageVersions: dpkg 1.19.7ubuntu3 apt 2.0.6 SourcePackage: apache2 Title: package apache2 2.4.41-4ubuntu3.4 failed to install/upgrade: installed apache2 package post-installation script subprocess returned error exit status 1 UpgradeStatus: Upgraded to focal on 2021-09-11 (0 days ago) error.log: modified.conffile..etc.apache2.apache2.conf: [deleted] modified.conffile..etc.apache2.conf-available.charset.conf: [deleted] modified.conffile..etc.apache2.conf-available.localized-error-pages.conf: [deleted] modified.conffile..etc.apache2.conf-available.other-vhosts-access-log.conf: [deleted] modified.conffile..etc.apache2.conf-available.security.conf: [deleted] modified.conffile..etc.apache2.conf-available.serve-cgi-bin.conf: [deleted] modified.conffile..etc.apache2.envvars: [deleted] modified.conffile..etc.apache2.magic: [deleted] modified.conffile..etc.apache2.mods-available.access_compat.load: [deleted] modified.conffile..etc.apache2.mods-available.actions.conf: [deleted] modified.conffile..etc.apache2.mods-available.actions.load: [deleted] modified.conffile..etc.apache2.mods-available.alias.conf: [deleted] modified.conffile..etc.apache2.mods-available.alias.load: [deleted] modified.conffile..etc.apache2.mods-available.allowmethods.load: [deleted] modified.conffile..etc.apache2.mods-available.asis.load: [deleted] modified.conffile..etc.apache2.mods-available.auth_basic.load: [deleted] modified.conffile..etc.apache2.mods-available.auth_digest.load: [deleted] modified.conffile..etc.apache2.mods-available.auth_form.load: [deleted] modified.conffile..etc.apache2.mods-available.authn_anon.load: [deleted] modified.conffile..etc.apache2.mods-available.authn_core.load: [deleted] modified.conffile..etc.apache2.mods-available.authn_dbd.load: [deleted] modified.conffile..etc.apache2.mods-available.authn_dbm.load: [deleted] modified.conffile..etc.apache2.mods-available.authn_file.load: [deleted] modified.conffile..etc.apache2.mods-available.authn_socache.load: [deleted] modified.conffile..etc.apache2.mods-available.authnz_fcgi.load: [deleted] modified.conffile..etc.apache2.mods-available.authnz_ldap.load: [deleted] modified.conffile..etc.apache2.mods-available.authz_core.load: [deleted] modified.conffile..etc.apache2.mods-available.authz_dbd.load: [deleted] modified.conffile..etc.apache2.mods-available.authz_dbm.load: [deleted] modified.conffile..etc.apache2.mods-available.authz_groupfile.load: [deleted] modified.conffile..etc.apache2.mods-available.authz_host.load: [deleted] modified.conffile..etc.apache2.mods-available.authz_owner.load: [deleted] modified.conffile..etc.apache2.mods-available.authz_user.load: [deleted] modified.conffile..etc.apache2.mods-available.autoindex.conf: [deleted] modified.conffile..etc.apache2.mods-available.autoindex.load: [deleted] modified.conffile..etc.apache2.mods-available.buffer.load: [deleted] modified.conffile..etc.apache2.mods-available.cache.load: [deleted] modified.conffile..etc.apache2.mods-available.cache_disk.conf: [deleted] modified.conffile..etc.apache2.mods-available.cache_disk.load: [deleted] modified.conffile..etc.apache2.mods-available.cache_socache.load: [deleted] modified.conffile..etc.apache2.mods-available.cern_meta.load: [deleted] modified.conffile..etc.apache2.mods-available.cgi.load: [deleted] modified.conffile..etc.apache2.mods-available.cgid.conf: [deleted] modified.conffile..etc.apache2.mods-available.cgid.load: [deleted] modified.conffile..etc.apache2.mods-available.charset_lite.load: [deleted] modified.conffile..etc.apache2.mods-available.data.load: [deleted] modified.conffile..etc.apache2.mods-available.dav.load: [deleted] modified.conffile..etc.apache2.mods-available.dav_fs.conf: [deleted] modified.conffile..etc.apache2.mods-available.dav_fs.load: [deleted] modified.conffile..etc.apache2.mods-available.dav_lock.load: [deleted] modified.conffile..etc.apache2.mods-available.dbd.load: [deleted] modified.conffile..etc.apache2.mods-available.deflate.conf: [deleted] modified.conffile..etc.apache2.mods-available.deflate.load: [deleted] modified.conffile..etc.apache2.mods-available.dialup.load: [deleted] modified.conffile..etc.apache2.mods-available.dir.conf: [deleted] modified.conffile..etc.apache2.mods-available.dir.load: [deleted] modified.conffile..etc.apache2.mods-available.dump_io.load: [deleted] modified.conffile..etc.apache2.mods-available.echo.load: [deleted] modified.conffile..etc.apache2.mods-available.env.load: [deleted] modified.conffile..etc.apache2.mods-available.expires.load: [deleted] modified.conffile..etc.apache2.mods-available.ext_filter.load: [deleted] modified.conffile..etc.apache2.mods-available.file_cache.load: [deleted] modified.conffile..etc.apache2.mods-available.filter.load: [deleted] modified.conffile..etc.apache2.mods-available.headers.load: [deleted] modified.conffile..etc.apache2.mods-available.heartbeat.load: [deleted] modified.conffile..etc.apache2.mods-available.heartmonitor.load: [deleted] modified.conffile..etc.apache2.mods-available.http2.load: [deleted] modified.conffile..etc.apache2.mods-available.ident.load: [deleted] modified.conffile..etc.apache2.mods-available.imagemap.load: [deleted] modified.conffile..etc.apache2.mods-available.include.load: [deleted] modified.conffile..etc.apache2.mods-available.info.conf: [deleted] modified.conffile..etc.apache2.mods-available.info.load: [deleted] modified.conffile..etc.apache2.mods-available.lbmethod_bybusyness.load: [deleted] modified.conffile..etc.apache2.mods-available.lbmethod_byrequests.load: [deleted] modified.conffile..etc.apache2.mods-available.lbmethod_bytraffic.load: [deleted] modified.conffile..etc.apache2.mods-available.lbmethod_heartbeat.load: [deleted] modified.conffile..etc.apache2.mods-available.ldap.conf: [deleted] modified.conffile..etc.apache2.mods-available.ldap.load: [deleted] modified.conffile..etc.apache2.mods-available.log_debug.load: [deleted] modified.conffile..etc.apache2.mods-available.log_forensic.load: [deleted] modified.conffile..etc.apache2.mods-available.lua.load: [deleted] modified.conffile..etc.apache2.mods-available.macro.load: [deleted] modified.conffile..etc.apache2.mods-available.mime.conf: [deleted] modified.conffile..etc.apache2.mods-available.mime.load: [deleted] modified.conffile..etc.apache2.mods-available.mime_magic.conf: [deleted] modified.conffile..etc.apache2.mods-available.mime_magic.load: [deleted] modified.conffile..etc.apache2.mods-available.mpm_event.conf: [deleted] modified.conffile..etc.apache2.mods-available.mpm_event.load: [deleted] modified.conffile..etc.apache2.mods-available.mpm_prefork.conf: [deleted] modified.conffile..etc.apache2.mods-available.mpm_prefork.load: [deleted] modified.conffile..etc.apache2.mods-available.mpm_worker.conf: [deleted] modified.conffile..etc.apache2.mods-available.mpm_worker.load: [deleted] modified.conffile..etc.apache2.mods-available.negotiation.conf: [deleted] modified.conffile..etc.apache2.mods-available.negotiation.load: [deleted] modified.conffile..etc.apache2.mods-available.proxy.conf: [deleted] modified.conffile..etc.apache2.mods-available.proxy.load: [deleted] modified.conffile..etc.apache2.mods-available.proxy_ajp.load: [deleted] modified.conffile..etc.apache2.mods-available.proxy_balancer.conf: [deleted] modified.conffile..etc.apache2.mods-available.proxy_balancer.load: [deleted] modified.conffile..etc.apache2.mods-available.proxy_connect.load: [deleted] modified.conffile..etc.apache2.mods-available.proxy_express.load: [deleted] modified.conffile..etc.apache2.mods-available.proxy_fcgi.load: [deleted] modified.conffile..etc.apache2.mods-available.proxy_fdpass.load: [deleted] modified.conffile..etc.apache2.mods-available.proxy_ftp.conf: [deleted] modified.conffile..etc.apache2.mods-available.proxy_ftp.load: [deleted] modified.conffile..etc.apache2.mods-available.proxy_hcheck.load: [deleted] modified.conffile..etc.apache2.mods-available.proxy_html.conf: [deleted] modified.conffile..etc.apache2.mods-available.proxy_html.load: [deleted] modified.conffile..etc.apache2.mods-available.proxy_http.load: [deleted] modified.conffile..etc.apache2.mods-available.proxy_http2.load: [deleted] modified.conffile..etc.apache2.mods-available.proxy_scgi.load: [deleted] modified.conffile..etc.apache2.mods-available.proxy_wstunnel.load: [deleted] modified.conffile..etc.apache2.mods-available.ratelimit.load: [deleted] modified.conffile..etc.apache2.mods-available.reflector.load: [deleted] modified.conffile..etc.apache2.mods-available.remoteip.load: [deleted] modified.conffile..etc.apache2.mods-available.reqtimeout.conf: [deleted] modified.conffile..etc.apache2.mods-available.reqtimeout.load: [deleted] modified.conffile..etc.apache2.mods-available.request.load: [deleted] modified.conffile..etc.apache2.mods-available.rewrite.load: [deleted] modified.conffile..etc.apache2.mods-available.sed.load: [deleted] modified.conffile..etc.apache2.mods-available.session.load: [deleted] modified.conffile..etc.apache2.mods-available.session_cookie.load: [deleted] modified.conffile..etc.apache2.mods-available.session_crypto.load: [deleted] modified.conffile..etc.apache2.mods-available.session_dbd.load: [deleted] modified.conffile..etc.apache2.mods-available.setenvif.conf: [deleted] modified.conffile..etc.apache2.mods-available.setenvif.load: [deleted] modified.conffile..etc.apache2.mods-available.slotmem_plain.load: [deleted] modified.conffile..etc.apache2.mods-available.slotmem_shm.load: [deleted] modified.conffile..etc.apache2.mods-available.socache_dbm.load: [deleted] modified.conffile..etc.apache2.mods-available.socache_memcache.load: [deleted] modified.conffile..etc.apache2.mods-available.socache_shmcb.load: [deleted] modified.conffile..etc.apache2.mods-available.speling.load: [deleted] modified.conffile..etc.apache2.mods-available.ssl.conf: [deleted] modified.conffile..etc.apache2.mods-available.ssl.load: [deleted] modified.conffile..etc.apache2.mods-available.status.conf: [deleted] modified.conffile..etc.apache2.mods-available.status.load: [deleted] modified.conffile..etc.apache2.mods-available.substitute.load: [deleted] modified.conffile..etc.apache2.mods-available.suexec.load: [deleted] modified.conffile..etc.apache2.mods-available.unique_id.load: [deleted] modified.conffile..etc.apache2.mods-available.userdir.conf: [deleted] modified.conffile..etc.apache2.mods-available.userdir.load: [deleted] modified.conffile..etc.apache2.mods-available.usertrack.load: [deleted] modified.conffile..etc.apache2.mods-available.vhost_alias.load: [deleted] modified.conffile..etc.apache2.mods-available.xml2enc.load: [deleted] modified.conffile..etc.apache2.ports.conf: [deleted] modified.conffile..etc.apache2.sites-available.000-default.conf: [deleted] modified.conffile..etc.apache2.sites-available.default-ssl.conf: [deleted]