突然我的 pgadmin4 网页版崩溃了。我尝试后sudo systemctl restart apache2.service收到以下错误：
Job for apache2.service failed because the control process exited with error code.
See "systemctl status apache2.service" and "journalctl -xe" for details.
因此我检查了输出sudo journalctl -xe：
дец 15 14:59:53 stepski sudo[33694]: stepski : TTY=pts/1 ; PWD=/home/stepski ; USER=root ; COMMAND=/usr/bin/systemctl restart apach>
дец 15 14:59:53 stepski sudo[33694]: pam_unix(sudo:session): session opened for user root by stepski(uid=0)
дец 15 14:59:53 stepski systemd[1]: Starting The Apache HTTP Server...
-- Subject: A start job for unit apache2.service has begun execution
-- Defined-By: systemd
-- Support: http://www.ubuntu.com/support
--
-- A start job for unit apache2.service has begun execution.
--
-- The job identifier is 4004.
дец 15 14:59:53 stepski apachectl[33700]: AH00558: apache2: Could not reliably determine the server's fully qualified domain name, u>
дец 15 14:59:53 stepski apachectl[33700]: (2)No such file or directory: AH02291: Cannot access directory '/var/log/apache2/' for mai>
дец 15 14:59:53 stepski apachectl[33700]: (2)No such file or directory: AH02291: Cannot access directory '/var/log/apache2/' for err>
дец 15 14:59:53 stepski apachectl[33700]: AH00014: Configuration check failed
дец 15 14:59:53 stepski apachectl[33697]: Action 'start' failed.
дец 15 14:59:53 stepski apachectl[33697]: The Apache error log may have more information.
дец 15 14:59:53 stepski systemd[1]: apache2.service: Control process exited, code=exited, status=1/FAILURE
-- Subject: Unit process exited
-- Defined-By: systemd
-- Support: http://www.ubuntu.com/support
--
-- An ExecStart= process belonging to unit apache2.service has exited.
--
-- The process' exit code is 'exited' and its exit status is 1.
дец 15 14:59:53 stepski systemd[1]: apache2.service: Failed with result 'exit-code'.
-- Subject: Unit failed
-- Defined-By: systemd
-- Support: http://www.ubuntu.com/support
--
-- The unit apache2.service has entered the 'failed' state with result 'exit-code'.
дец 15 14:59:53 stepski systemd[1]: Failed to start The Apache HTTP Server.
-- Subject: A start job for unit apache2.service has failed
-- Defined-By: systemd
-- Support: http://www.ubuntu.com/support
--
-- A start job for unit apache2.service has finished with a failure.
--
-- The job identifier is 4004 and the job result is failed.
дец 15 14:59:53 stepski sudo[33694]: pam_unix(sudo:session): session closed for user root
дец 15 15:02:02 stepski sudo[33818]: stepski : TTY=pts/1 ; PWD=/home/stepski ; USER=root ; COMMAND=/usr/bin/journalctl -xe
дец 15 15:02:02 stepski sudo[33818]: pam_unix(sudo:session): session opened for user root by stepski(uid=0)
postgresql-14-main.log 的输出
cat /var/log/postgresql/postgresql-14-main.log
2021-12-15 10:20:12.615 CET [1027] LOG: starting PostgreSQL 14.1 (Ubuntu 14.1-2.pgdg20.04+1) on x86_64-pc-linux-gnu, compiled by gcc (Ubuntu 9.3.0-17ubuntu1~20.04) 9.3.0, 64-bit
2021-12-15 10:20:12.615 CET [1027] LOG: listening on IPv4 address "127.0.0.1", port 5432
2021-12-15 10:20:12.616 CET [1027] LOG: listening on Unix socket "/var/run/postgresql/.s.PGSQL.5432"
2021-12-15 10:20:12.622 CET [1032] LOG: database system was shut down at 2021-12-15 00:04:08 CET
2021-12-15 10:20:12.629 CET [1027] LOG: database system is ready to accept connections
2021-12-15 15:08:08.675 CET [32762] postgres@wine_rec LOG: could not receive data from client: Connection reset by peer
2021-12-15 15:08:08.675 CET [32773] postgres@wines LOG: could not receive data from client: Connection reset by peer
2021-12-15 15:08:08.675 CET [32731] postgres@postgres LOG: could not receive data from client: Connection reset by peer
你能发现问题并帮我解决吗？我的电脑运行的是 Ubuntu 20.04 LTS