linux系统新建的用户用ssh远程登陆显示-bash-4.1$,不显示用户名路径 网络上好多解决办法,大多是新建.bash_profile文件然后输入XXXXX。。。。
下载地址: https://dev.mysql.com/downloads/mysql/ 可以在下载页面根据OS的版本选择RPM包,本次选择Linux 6的 RPM包(RPM Bundle)。...下载后上传到linux服务器。 使用Tar命令解压。...-4.1$ service mysqld status mysqld is stopped 注: 我这里使用的是Oracle Linux 6,所以使用service命令 -bash-4.1$ service...-bash-4.1$ sudo service start mysqld start: unrecognized service -bash-4.1$ sudo service mysqld start...2.5.4 Installing MySQL on Linux Using RPM Packages from Oracle
linux命令可以简化我们工作中的许多任务。关于Linux这个主题已经考虑很久了,也还是在不断的完善中,在自己的实验和各种资料的整理中,认为还是一些不错的命令。...1.查看自己常用的linux命令 history | awk '{print $2}' | sort | uniq -c | sort -rn | head -10 这行脚本能输出你最常用的十条命令,...-bash-4.1$ cat a.txt This price is $5.00 This price is $6.00 this is good -bash-4.1$ tac a.txt this is...效果和cat -n等价 -bash-4.1$ cat a.txt This price is $5.00 This price is $6.00 this is good -bash-4.1$ nl a.txt...-bash-4.1$ expr 12/3 12/3 -bash-4.1$ expr 12 / 3 4 14. 行列转换 shuf这个命令用起来真是舒服,很简单就实现了行列转换。
-bash-4.1$ cat tnsnames.ora # tnsnames.ora Network Configuration File: /u04/app/11.2.0/db/product/11.2.0...首先需要查看scan的状态 -bash-4.1$ lsnrctl status rac-scan LSNRCTL for Linux: Version 11.2.0.3.0 - Production on...------------------- Alias LISTENER_SCAN1 Version TNSLSNR for Linux...-bash-4.1$ lsnrctl status rac-scan LSNRCTL for Linux: Version 11.2.0.3.0 - Production on 16-AUG-2015...-bash-4.1$ srvctl start scan_listener -bash-4.1$ srvctl start scan PRCC-1014 : scan1 was already running
有时候在使用用户登陆Linux系统时会出现-bash-4.1$错误,不显示用户名,路径信息。...原因:用户家目录里面与环境变量有关的文件被删除所导致的 .bash_profile .bashrc 这两个文件被删除了,导致的这个错误 解决方法:从/etc/skel把丢失的文件 复制回来就可以了 -bash...-4.1$ cp /etc/skel/.bash* ~ -bash-4.1$ logout ##复制回来后,登出用户,然后在登陆用户查看是否已经解决 [
文件内容和/etc/skel/README文件内容一样 -bash-4.1$ 问题重现: 1)切换到普通用户,删除家目录中所有.bash*文件,退出重新登录,即可看到想要的命令行提示 [root@c69...09:34 README [user01@c69-01 ~]$ \rm .bash* [user01@c69-01 ~]$ logout [root@c69-01 ~]# su - user01 -bash...-bash-4.1$ 问题解决: 1)使用普通用户user01,拷贝目录/etc/skel/下的文件.bash*文件到普通用户家目录下即可,退出重新登录,即可解决该问题。...-bash-4.1$ cp /etc/skel/.bash* ....-bash-4.1$ ls -al total 28 drwx------ 2 user01 user01 4096 Feb 18 09:45 . drwxr-xr-x. 15 root root
prompt string one” 的简写)是在用户根目录下的.bash_profile中定义的, 一般.bash_profile 会引用 .bashrc ,根据引用一层层的找,总会找到PS1 每个 Linux...Linux系统提示符是用系统变量PS1来定义的。一般系统默认的形式是: [username@host 工作目录]$.
; 关闭MySQL -bash-4.1$ sudo service mysqld status mysqld (pid 2031) is running......] -bash-4.1$ sudo service mysqld status mysqld is stopped Linux 7以后可以使用如下systemctl命令。...关闭MySQL -bash-4.1$ sudo service mysqld status mysqld (pid 2031) is running......] -bash-4.1$ sudo service mysqld status mysqld is stopped Linux 7以后可以使用如下systemctl命令。...[1]+ Exit 1 mysqld --skip-grant-tables --user=mysql -bash-4.1$ -bash-4.1$ -bash-4.1
退出SQL命令行 [root@i-5608690E database]# su - oracle -bash-4.1$ sqlplus / as sysdba SQL*Plus: Release 11.2.0.1.0...-4.1$ 停止监听 执行lsnrctl stop命令 -bash-4.1$ lsnrctl stop LSNRCTL for Linux: Version 11.2.0.1.0 - Production...Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=IPC)(KEY=EXTPROC1521))) The command completed successfully -bash...-4.1$ 卸载数据库实例 执行dbca命令(连接服务器使用的是xshell,在执行dbca命令时,会弹出可视化图形界面) -bash-4.1$ dbca 在弹出的图形化界面上按照以下步骤执行...进度达到100%后在弹出框上点击No(如果需要继续删除其他实例,可以点击继续) 退出oracle用户 -bash-4.1$ exit logout [root@i-5608690E database
--连接远程的数据库 shell> mysql -h host -u user -p --连接本地数据库 shell> mysql -u user -p 例: -bash-4.1$ mysql -uroot...server through socket '/var/lib/mysql/mysql.sock' (2) 这个可能是由于MySQL服务没有启动导致的,可以通过service或者systemctl(Linux7...例: -bash-4.1$ sudo service mysqld stop Stopping mysqld: [...OK ] --连接报错 -bash-4.1$ mysql -uroot -pMyNewPass4!...-bash-4.1$ mysql -h -uroot -p Enter password: ERROR 1251 (08004): Client does not support
ORA-32004: obsolete or deprecated parameter(s) specified for RDBMS instance ORA-27102: out of memory Linux-x86...内核参数的值如下: Last login: Sun Mar 30 22:42:16 2014 from xxxx -bash-4.1$ cat /proc/sys/kernel/shmall 16383998...-bash-4.1$ cat /proc/sys/kernel/shmmax 67108855808 CAUSE shmall is the total amount of shared memory...调整后参数值如下: -bash-4.1$ cat /proc/sys/kernel/shmall 33030178 -bash-4.1$ cat /proc/sys/kernel/shmmax 135291609088
-bash-4.1$ echo $ORACLE_SID RACDB1 -bash-4.1$ sqlplus / as sysdba SQL*Plus: Release 11.2.0.3.0 Production...-bash-4.1$ ps -ef|grep tns root 13 2 0 Nov19 ?...-4.1$ tnsping racdb TNS Ping Utility for Linux: Version 11.2.0.3.0 - Production on 24-NOV-2014 03:47...-4.1$ lsnrctl status racdb LSNRCTL for Linux: Version 11.2.0.3.0 - Production on 24-NOV-2014 03:45:...------------------- Alias LISTENER_SCAN1 Version TNSLSNR for Linux
-bash-4.1$ crs_stat -t CRS-0184: Cannot communicate with the CRS daemon....-bash-4.1$ oerr ora 29702 29702, 00000, "error occurred in Cluster Group Service operation" // *Cause...Application Testing options ORACLE_HOME = /u04/app/11.2.0/db/product/11.2.0/dbhome_1 System name: Linux...-bash-4.1$ crsctl check crs CRS-4638: Oracle High Availability Services is online CRS-4535: Cannot...-bash-4.1$ ps -ef|grep d.bin root 2103 1 0 May10 ?
oerr 例: 对于ORA-00001错误,可以通过如下查询:-bash-4.1$ oerr ora 1 00001, 00000, "unique constraint (...restriction or do not insert the key. 3.通过安装数据库后的如下文件查看 $ORACLE_HOME/rdbms/mesg/*.msg 所有错误相关的文件: -bash...-4.1$ cd $ORACLE_HOME/rdbms/mesg -bash-4.1$ ls *.msg amduus.msg diaus.msg kfedus.msg kopus.msg...smgus.msg dgmus.msg impus.msg kgpus.msg nidus.msg qsmus.msg udeus.msg ORA-错误相关的文件为oraus.msg,在Linux...环境下可以通过more/cat/tail等命令查看: tail -20 $ORACLE_HOME/rdbms/mesg/oraus.msg 例: -bash-4.1$ tail -20 $ORACLE_HOME
在日常运维工作中,公司不同人员(一般是运维人员)共用root账号登录linux服务器进行维护管理,在不健全的账户权限审计制度下,一旦出现问题,就很难找出源头,甚是麻烦!...确保修改如下: [root@dev bash-4.1]# vim config-top.h ...... 91 #define SSH_SOURCE_BASHRC ...... 104 #define...[root@dev bash-4.1]# ....test "bash" = "gettext-tools"; then \ /bin/sh /usr/local/src/bash-4.1/....如下: [root@dev bash-4.1]# echo "/usr/local/bash_new/bin/bash" >> /etc/shells [root@dev bash-4.1]# cat
先看看primary 端的 属性值: -bash-4.1$ dgmgrl / DGMGRL for Linux: Version 12.1.0.2.0 - 64bit Production Copyright...CONTINUE' Fast-Start Failover: DISABLED Configuration Status: SUCCESS DGMGRL> 再看Standby 端的属性: -bash...-4.1$ dgmgrl / DGMGRL for Linux: Version 12.1.0.2.0 - 64bit Production Copyright (c) 2000, 2013, Oracle
I have initialized and started a newcluster with the below command -bash-4.1$ initdb -D basebackup1 -...bash-4.1$ pg_ctl start -D /u02/basebackup1 Then I created a table and inserted arecord into it postgres...-4.1$ Then I made few switches and my currentarchived wal location is something like this -bash-4.1$...-bash-4.1$ cat postgresql.conf | grep lsn recovery_target_lsn ='0/07000060' # the WAL LSN up to...whichrecovery will proceed -bash-4.1$ After successful point in time recovery,the PostgreSQL branched
技术,为Linux内核容器功能的一个用户空间接口。...Last login: Wed Jan 31 13:49:31 2018 from mirrors.aliyuncs.com -bash-4.1$ -bash-4.1$ ls -bash: ls: command...not found -bash-4.1$ date -bash: date: command not found 从上面可以看出 SSH 用户被锁定在了 chroot 监狱中,并且不能使用任何外部命令如...Last login: Wed Jan 31 13:49:31 2018 from mirrors.aliyuncs.com -bash-4.1$ -bash-4.1$ ls -bash: ls: command...not found -bash-4.1$ date -bash: date: command not found 1.5.8 创建用户的主目录并添加 Linux 命令 1、从前面的测试中,我们可以看到用户被锁定在了根目录
http://ftp.gnu.org/gnu/bash/bash-4.1.tar.gz [root@open1 ~]# tar xvf bash-4.1.tar.gz [root@open1 ~]# cd bash...修改后的内容如下: [root@open1 bash-4.1]# vim bashhist.c #....../configure --prefix=/usr/local/bash_new [root@open1 bash-4.1]# make && make install ... if test "bash..." = "gettext-tools"; then \ /bin/sh /root/bash-4.1/....-4.1/po' 5、编译完成后,将新的bash 追加到 /etc/shells 中,并修改root用户的登陆shell 环境为新编译的shell [root@open1 bash-4.1]# echo
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