libncurses.so.5 這些依賴呢都是放到/user/lib目錄下的 進去看之后其實可以發現有很多 但是 安裝mysql5.7.26的client端的時候 會一直報

警告：mysql-community-client-5.7.26-1.el7.x86_64.rpm: 頭V3 DSA/SHA1 Signature, 密鑰 ID 5072e1f5: NOKEY 錯誤：依賴檢測失敗：libncurses.so.5()(64bit) 被 mysql-community-client-5.7.26-1.el7.x86_64 需要libtinfo.so.5()(64bit) 被 mysql-community-client-5.7.26-1.el7.x86_64 需要

這個其實是兩種原因

第一種是系統中的確沒有這個libtinfo.so.5()(64bit)這個包

第二種是系統中的這個libtinfo.so.5()(64bit)沒有被檢測到

所以嘗試著用 ln -s libtinfo.so.5 /usr/lib/libncurses.so.5.9創建軟鏈接在當前的 software目錄下

[root@master software]# ln -s libtinfo.so.5 /usr/lib/libncurses.so.5.9

以為這樣會找到 但是安裝之后還是沒有

dnf install ncurses-compat-libs

之后用這行命令 安裝了 ncurses-compat-libs

安裝之后呢 再嘗試安裝 mysql-community-client-5.7.26-1.el7.x86_64.rpm 和 mysql-community-server-5.7.26-1.el7.x86_64.rpm 這些的時候就直接可以安裝好了

[root@master software]# rpm -ivh mysql-community-client-5.7.26-1.el7.x86_64.rpm 警告：mysql-community-client-5.7.26-1.el7.x86_64.rpm: 頭V3 DSA/SHA1 Signature, 密鑰 ID 5072e1f5: NOKEY Verifying... ################################# [100%] 準備中... ################################# [100%] 正在升級/安裝...1:mysql-community-client-5.7.26-1.e################################# [100%] [root@master software]# rpm -ivh mysql-community-server-5.7.26-1.el7.x86_64.rpm 警告：mysql-community-server-5.7.26-1.el7.x86_64.rpm: 頭V3 DSA/SHA1 Signature, 密鑰 ID 5072e1f5: NOKEY Verifying... ################################# [100%] 準備中... ################################# [100%] 正在升級/安裝...1:mysql-community-server-5.7.26-1.e################################# [100%] [/usr/lib/tmpfiles.d/libgpod.conf:1] Line references path below legacy directory /var/run/, updating /var/run/libgpod → /run /libgpod; please update the tmpfiles.d/ drop-in file accordingly. [/usr/lib/tmpfiles.d/libstoragemgmt.conf:1] Line references path below legacy directory /var/run/, updating /var/run/lsm → / run/lsm; please update the tmpfiles.d/ drop-in file accordingly. [/usr/lib/tmpfiles.d/libstoragemgmt.conf:2] Line references path below legacy directory /var/run/, updating /var/run/lsm/ipc → /run/lsm/ipc; please update the tmpfiles.d/ drop-in file accordingly. [/usr/lib/tmpfiles.d/mdadm.conf:1] Line references path below legacy directory /var/run/, updating /var/run/mdadm → /run/mda dm; please update the tmpfiles.d/ drop-in file accordingly. [/usr/lib/tmpfiles.d/mysql.conf:16] Line references path below legacy directory /var/run/, updating /var/run/mysqld → /run/m ysqld; please update the tmpfiles.d/ drop-in file accordingly. [/usr/lib/tmpfiles.d/radvd.conf:1] Line references path below legacy directory /var/run/, updating /var/run/radvd → /run/rad vd; please update the tmpfiles.d/ drop-in file accordingly. [/usr/lib/tmpfiles.d/spice-vdagentd.conf:2] Line references path below legacy directory /var/run/, updating /var/run/spice-v dagentd → /run/spice-vdagentd; please update the tmpfiles.d/ drop-in file accordingly. [root@master software]# mysqld --initialize 2020-01-12T03:08:18.202215Z 0 [Warning] TIMESTAMP with implicit DEFAULT value is deprecated. Please use --explicit_defaults_ for_timestamp server option (see documentation for more details). 2020-01-12T03:08:18.205248Z 0 [ERROR] --initialize specified but the data directory has files in it. Aborting. 2020-01-12T03:08:18.205310Z 0 [ERROR] Aborting

使用mysql 正常

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