JoaMika提出的问题 -ubuntu

JoaMika

Asked: 2017-10-26 05:44:35 +0800 CST

Cron.daily 执行格式错误

2

cron.daily使用 Ubuntu 16。我在文件夹中有以下脚本。但是，我通过电子邮件通知收到错误消息：

/etc/cron.daily/clamscan_daily:
run-parts: failed to exec /etc/cron.daily/clamscan_daily: Exec format error
run-parts: /etc/cron.daily/clamscan_daily exited with return code 1

脚本

  #!/bin/bash
    LOGFILE="/var/log/clamav/clamav-$(date +'%Y-%m-%d').log";
    EMAIL_MSG="Please see the log file attached.";
    EMAIL_FROM="[email protected]";
    EMAIL_TO="[email protected]";
    DIRTOSCAN="/var/www";

    for S in ${DIRTOSCAN}; do
     DIRSIZE=$(du -sh "$S" 2>/dev/null | cut -f1);

     echo "Starting a daily scan of "$S" directory.
     Amount of data to be scanned is "$DIRSIZE".";

     clamscan -ri "$S" >> "$LOGFILE";

     # get the value of "Infected lines"
     MALWARE=$(tail "$LOGFILE"|grep Infected|cut -d" " -f3);

     # if the value is not equal to zero, send an email with the log file attached
     if [ "$MALWARE" -ne "0" ];then
     # using heirloom-mailx below
     echo "$EMAIL_MSG"|mail -a "$LOGFILE" -s "Malware Found" -r "$EMAIL_FROM" "$EMAIL_TO";
     fi
    done

    exit 0

我无法弄清楚这里的问题。有任何想法吗？

我尝试在终端上运行它并得到：

./clamscan_daily
Starting a daily scan of /var/www directory.
 Amount of data to be scanned is 427M.
./clamscan_daily: line 15: /var/log/clamav/clamav-2017-10-25.log: Permission denied
tail: cannot open '/var/log/clamav/clamav-2017-10-25.log' for reading: No such file or directory
./clamscan_daily: line 21: [: : integer expression expected

更新 2：

当我运行时ls -l- 我只能看到这个脚本的数字 2。这可能是问题吗？

ls -l
total 56
-rwxr-xr-x 1 root root  376 Mar 31  2016 apport
-rwxr-xr-x 1 root root 1474 Oct 31  2016 apt-compat
-rwxr-xr-x 1 root root  355 May 22  2012 bsdmainutils
-rwxr-xr-x 2 root root  751 Oct  4  2016 clamscan_daily
-rwxr-xr-x 1 root root 1597 Nov 26  2015 dpkg
-rwxr-xr-x 1 root root  372 May  6  2015 logrotate

更新#3

ls -l /var/log/clamav
total 388
-rw-r--r-- 1 root   root   233 Sep 15  2016 clamav-2016-09-15.log
-rw-r--r-- 1 root   root   234 Sep 16  2016 clamav-2016-09-16.log
-rw-r--r-- 1 root   root   234 Sep 17  2016 clamav-2016-09-17.log
-rw-r--r-- 1 root   root   234 Sep 18  2016 clamav-2016-09-18.log
-rw-r--r-- 1 root   root   233 Sep 19  2016 clamav-2016-09-19.log
-rw-r--r-- 1 root   root   234 Sep 20  2016 clamav-2016-09-20.log
-rw-r--r-- 1 root   root   233 Sep 21  2016 clamav-2016-09-21.log
-rw-r--r-- 1 root   root   233 Sep 22  2016 clamav-2016-09-22.log
-rw-r--r-- 1 root   root   233 Sep 23  2016 clamav-2016-09-23.log
-rw-r--r-- 1 root   root   232 Sep 24  2016 clamav-2016-09-24.log
-rw-r--r-- 1 root   root   232 Sep 25  2016 clamav-2016-09-25.log
-rw-r--r-- 1 root   root   232 Sep 26  2016 clamav-2016-09-26.log
-rw-r--r-- 1 root   root   233 Sep 27  2016 clamav-2016-09-27.log
-rw-r--r-- 1 root   root   233 Sep 28  2016 clamav-2016-09-28.log
-rw-r--r-- 1 root   root   232 Sep 29  2016 clamav-2016-09-29.log
-rw-r--r-- 1 root   root   234 Sep 30  2016 clamav-2016-09-30.log
-rw-r--r-- 1 root   root   234 Oct  1  2016 clamav-2016-10-01.log
-rw-r--r-- 1 root   root   234 Oct  2  2016 clamav-2016-10-02.log
-rw-r--r-- 1 root   root   234 Oct  3  2016 clamav-2016-10-03.log
-rw-r--r-- 1 root   root   234 Oct  4  2016 clamav-2016-10-04.log
-rw-r--r-- 1 root   root   238 Oct 25 15:06 clamav-2017-10-25.log
-rw-r----- 1 clamav adm   5688 Oct 25 15:27 clamav.log
-rw-r----- 1 clamav adm  13196 Oct 22 06:25 clamav.log.1
-rw-r----- 1 clamav adm   2001 Aug 21 06:25 clamav.log.10.gz
-rw-r----- 1 clamav adm    896 Aug 13 06:25 clamav.log.11.gz
-rw-r----- 1 clamav adm   1894 Aug  7 06:25 clamav.log.12.gz
-rw-r----- 1 clamav adm   1359 Oct 16 06:25 clamav.log.2.gz
-rw-r----- 1 clamav adm   1153 Oct  8 06:25 clamav.log.3.gz
-rw-r----- 1 clamav adm   1869 Oct  2 06:25 clamav.log.4.gz
-rw-r----- 1 clamav adm    898 Sep 24 06:25 clamav.log.5.gz
-rw-r----- 1 clamav adm   1336 Sep 18 06:25 clamav.log.6.gz
-rw-r----- 1 clamav adm   1710 Sep 10 06:25 clamav.log.7.gz
-rw-r----- 1 clamav adm   1373 Sep  4 06:25 clamav.log.8.gz
-rw-r----- 1 clamav adm   1794 Aug 27 06:25 clamav.log.9.gz
-rw-r----- 1 clamav adm  46135 Oct 25 15:26 freshclam.log
-rw-r----- 1 clamav adm  83017 Oct 22 06:25 freshclam.log.1
-rw-r----- 1 clamav adm   6219 Aug 21 06:25 freshclam.log.10.gz
-rw-r----- 1 clamav adm   4737 Aug 13 06:25 freshclam.log.11.gz
-rw-r----- 1 clamav adm   6389 Aug  7 06:25 freshclam.log.12.gz
-rw-r----- 1 clamav adm   6382 Oct 16 06:25 freshclam.log.2.gz
-rw-r----- 1 clamav adm   5228 Oct  8 06:25 freshclam.log.3.gz
-rw-r----- 1 clamav adm   6415 Oct  2 06:25 freshclam.log.4.gz
-rw-r----- 1 clamav adm   4580 Sep 24 06:25 freshclam.log.5.gz
-rw-r----- 1 clamav adm   6596 Sep 18 06:25 freshclam.log.6.gz
-rw-r----- 1 clamav adm   5320 Sep 10 06:25 freshclam.log.7.gz
-rw-r----- 1 clamav adm   6921 Sep  4 06:25 freshclam.log.8.gz
-rw-r----- 1 clamav adm  15812 Aug 27 06:25 freshclam.log.9.gz

JoaMika

Asked: 2017-08-03 07:46:51 +0800 CST

打开端口 - Netstat

-1

我正在运行这些命令来获取我的 Ubuntu 16 服务器上所有开放端口的列表。我想知道为什么端口 1-25 似乎是开放的？这是安全风险还是 Ubuntu 服务器正常？

我专门将 ssh 的端口更改为 33333。使用 80/443 对站点进行公共访问。除此之外，我自己没有进行任何其他更改。

UFW 已开启并按预期显示：

Nginx Full                 ALLOW       Anywhere                  
33333/tcp                  ALLOW       Anywhere                  
Nginx Full (v6)            ALLOW       Anywhere (v6)             
33333/tcp (v6)             ALLOW       Anywhere (v6)   


username@myserver:~$ sudo netstat -tulpn
Active Internet connections (only servers)
Proto Recv-Q Send-Q Local Address           Foreign Address         State       PID/Program name
tcp        0      0 127.0.0.1:3306          0.0.0.0:*               LISTEN      1527/mysqld     
tcp        0      0 0.0.0.0:80              0.0.0.0:*               LISTEN      4707/nginx -g daemo
tcp        0      0 127.0.0.1:25            0.0.0.0:*               LISTEN      2018/master     
tcp        0      0 0.0.0.0:443             0.0.0.0:*               LISTEN      4707/nginx -g daemo
tcp        0      0 0.0.0.0:33333           0.0.0.0:*               LISTEN      1477/sshd       
tcp6       0      0 :::80                   :::*                    LISTEN      4707/nginx -g daemo
tcp6       0      0 ::1:25                  :::*                    LISTEN      2018/master     
tcp6       0      0 :::443                  :::*                    LISTEN      4707/nginx -g daemo
tcp6       0      0 :::33333                :::*                    LISTEN      1477/sshd       
udp        0      0 10.19.0.5:123           0.0.0.0:*                           1649/ntpd       
udp        0      0 xxx.xxx.xxx.xxx:123     0.0.0.0:*                           1649/ntpd       
udp        0      0 127.0.0.1:123           0.0.0.0:*                           1649/ntpd       
udp        0      0 0.0.0.0:123             0.0.0.0:*                           1649/ntpd       
udp6       0      0 zzzz::zzzz:zzzz:zzz:123 :::*                                1649/ntpd       
udp6       0      0 yyyy::yyyy:yyyy:yyy:123 :::*                                1649/ntpd       
udp6       0      0 ::1:123                 :::*                                1649/ntpd       
udp6       0      0 :::123                  :::*                                1649/ntpd  


sudo lsof -nP -i | grep LISTEN
sshd    1477      root    3u  IPv4  14216      0t0  TCP *:33333 (LISTEN)
sshd    1477      root    4u  IPv6  14218      0t0  TCP *:33333 (LISTEN)
mysqld  1527     mysql   22u  IPv4  18444      0t0  TCP 127.0.0.1:3306 (LISTEN)
master  2018      root   12u  IPv4  18107      0t0  TCP 127.0.0.1:25 (LISTEN)
master  2018      root   13u  IPv6  18108      0t0  TCP [::1]:25 (LISTEN)
nginx   4707      root    6u  IPv4  43893      0t0  TCP *:80 (LISTEN)
nginx   4707      root    7u  IPv6  43894      0t0  TCP *:80 (LISTEN)
nginx   4707      root    8u  IPv4  43895      0t0  TCP *:443 (LISTEN)
nginx   4707      root    9u  IPv6  43896      0t0  TCP *:443 (LISTEN)
nginx   4708  www-data    6u  IPv4  43893      0t0  TCP *:80 (LISTEN)
nginx   4708  www-data    7u  IPv6  43894      0t0  TCP *:80 (LISTEN)
nginx   4708  www-data    8u  IPv4  43895      0t0  TCP *:443 (LISTEN)
nginx   4708  www-data    9u  IPv6  43896      0t0  TCP *:443 (LISTEN)
nginx   4709  www-data    6u  IPv4  43893      0t0  TCP *:80 (LISTEN)
nginx   4709  www-data    7u  IPv6  43894      0t0  TCP *:80 (LISTEN)
nginx   4709  www-data    8u  IPv4  43895      0t0  TCP *:443 (LISTEN)
nginx   4709  www-data    9u  IPv6  43896      0t0  TCP *:443 (LISTEN)

JoaMika

Asked: 2017-07-25 03:54:38 +0800 CST

Nginx 日志 - 无法访问 /var/log/nginx

0

运行 Ubuntu 16。我无权访问/var/log/nginx

运行这样的命令来获取访问权限是否安全？

sudo chown -R myusername:www-data /var/log/nginx

Cron.daily 执行格式错误

打开端口 - Netstat

Nginx 日志 - 无法访问 /var/log/nginx

如何运行 .sh 脚本？

如何安装 .tar.gz（或 .tar.bz2）文件？

如何列出所有已安装的软件包

无法锁定管理目录 (/var/lib/dpkg/) 是另一个进程在使用它吗？

JoaMika's questions

Cron.daily 执行格式错误

打开端口 - Netstat

Nginx 日志 - 无法访问 /var/log/nginx

如何运行 .sh 脚本？

如何安装 .tar.gz（或 .tar.bz2）文件？

如何列出所有已安装的软件包

无法锁定管理目录 (/var/lib/dpkg/) 是另一个进程在使用它吗？