How can I use 'date' command in cron job Raw # crontab -e 30 12 * * * /usr/bin/tar -cpzf /Backup/EAP_backup/$(date '+%Y-%m-%d').tar.gz /Directory/to/backup/ Environment Red Hat Enterprise Linux (All versions) Subscriber exclusive content ...
How to use Linux shell echo date to a log file All In One 如何使用 Linux shell 将日期打印输出到日志文件 solutions date 使用local env variable环境变量 $(command) command demos refs https://unix.stackexchange.com/questions/98391/what-is-the-difference-between-echo-date-echo-date-and-echo-date...
You can also set the system clock using the date command, but it’s usually a bad idea to do so because you’ll never get the time exactly right. Your system clock should be as close to the correct time as possible. Unix机器依赖准确的时间记录。内核维护着系统时钟,当你运行像date这样的命...
Addition and subtraction arithmetics with Linux date command This article features some simple examples on how to add or subtract a time from a current date. At first we use a native date sytax to do this trick and later we will see how this can be done manually by converting date to a...
The easiest way to print yesterday’s date using a Linux command is to use the “-d” or “–date” option, specifying the string “yesterday”:date -d "yesterday"
help command in linux $ helpGNU bash, version 4.3.28(1)-release (i686-pc-linux-gnu)These shell commands are defined internally. Type `help' to see this list.Type `help name' to find out more about the function `name'.Use `info bash' to find out more about the shell in general.Use...
there are a few tools that you can use to query and control NetworkManager from your shell. For a very quick summary of your current connection status, use the nm-tool command with no arguments. You’ll get a list of interfaces and configuration parameters. In some ways, this is like if...
Changing/Setting the Timezone in Linux Now we know what the date/time is and what it needs to be set to, it can be changed. Again, thetimedatectlcommand comes to the rescue: To set thedateonly, the following syntax should be used: ...
How to roll back an update using yum in Red Hat Enterprise Linux-6 and later? How to use yum history? Information on best practice to enable easy backout of yum patchingResolution Note: Rollback of selinux, selinux-policy-*, kernel, glibc (dependencies of glibc such as gcc) packages to...
2.2 Use Shell(使用 Shell) When you install Linux, you should create at least one regular user in addition to the root user; this will be your personal account. For this chapter, you should log in as the regular user. 安装Linux 时,除了 root 用户外,还应创建至少一个普通用户,这就是 你的...