文内导航
问题症状
MogDB 安装时，涉及两个步骤解压，第一步解压缩 tar包：
[root@enmotech ~]# tar -xvf MogDB-2.1.1-CentOS-x86_64.tar
upgrade_sql.tar.gz
MogDB-2.1.1-CentOS-64bit.sha256
MogDB-2.1.1-CentOS-64bit.tar.bz2
MogDB-2.1.1-CentOS-64bit-Libpq.tar.gz
MogDB-2.1.1-CentOS-64bit-om.sha256
MogDB-2.1.1-CentOS-64bit-om.tar.gz
MogDB-2.1.1-CentOS-64bit-tools.tar.gz
upgrade_sql.sha256
第二步，解压缩 bz2 文件包，在这一步骤遇到错误，提示 bzip2 不能执行，这是因为操作系统上没有安装 bz2 解压缩工具：
[root@enmotech MogDB]# tar -jxf MogDB-2.1.1-CentOS-64bit.tar.bz2
tar (child): bzip2: Cannot exec: No such file or directory
tar (child): Error is not recoverable: exiting now
tar: Child returned status 2
tar: Error is not recoverable: exiting now
问题分析
手工安装，如果配置了 yum 源，通过命令
yum -y install bzip2
来安装 bzip2 工具。
[root@enmotech MogDB]# yum -y install bzip2
Failed to set locale, defaulting to C
Loaded plugins: fastestmirror
Determining fastest mirrors
base | 3.6 kB 00:00:00
epel | 4.7 kB 00:00:00
extras | 2.9 kB 00:00:00
mysql-connectors-community | 2.6 kB 00:00:00
mysql-tools-community | 2.6 kB 00:00:00
mysql57-community | 2.6 kB 00:00:00
nginx | 2.9 kB 00:00:00
updates | 2.9 kB 00:00:00
webtatic | 3.6 kB 00:00:00
(1/9): epel/x86_64/group_gz | 96 kB 00:00:00
(2/9): epel/x86_64/updateinfo | 1.0 MB 00:00:00
(3/9): extras/7/x86_64/primary_db | 246 kB 00:00:00
(4/9): epel/x86_64/primary_db | 7.0 MB 00:00:00
(5/9): updates/7/x86_64/primary_db | 15 MB 00:00:00
(6/9): mysql-tools-community/x86_64/primary_db | 86 kB 00:00:00
(7/9): mysql-connectors-community/x86_64/primary_db | 87 kB 00:00:01
(8/9): mysql57-community/x86_64/primary_db | 306 kB 00:00:01
(9/9): nginx/x86_64/primary_db | 72 kB 00:00:01
Resolving Dependencies
--> Running transaction check
---> Package bzip2.x86_64 0:1.0.6-13.el7 will be installed
--> Finished Dependency Resolution
Dependencies Resolved
=========================================================================================================================================================================================================================================
Package Arch Version Repository Size
=========================================================================================================================================================================================================================================
Installing:
bzip2 x86_64 1.0.6-13.el7 base 52 k
Transaction Summary
=========================================================================================================================================================================================================================================
Install 1 Package
Total download size: 52 k
Installed size: 82 k
Downloading packages:
bzip2-1.0.6-13.el7.x86_64.rpm | 52 kB 00:00:00
Running transaction check
Running transaction test
Transaction test succeeded
Running transaction
Installing : bzip2-1.0.6-13.el7.x86_64 1/1
Verifying : bzip2-1.0.6-13.el7.x86_64 1/1
Installed:
bzip2.x86_64 0:1.0.6-13.el7
Complete!
问题解决
现在可以正常解压缩 bz2 文件：
[root@enmotech MogDB]# tar -xvf MogDB-2.1.1-CentOS-64bit.tar.bz2
./bin/
./bin/gstrace
./bin/kdb5_util
./bin/gs_dumpall
./bin/krb5kdc
./bin/gs_initdb
./bin/klist
./bin/mogdb
./bin/kinit
./bin/gs_basebackup
./bin/openssl
./bin/encrypt
...
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