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20170625-21 选题
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uCareSystem – All-In-One System Update And Maintenance Tool For Ubuntu/LinuxMint
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============================================================
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[uCareSystem Core][2] is a thin utility that automates the basic system maintenance activity, in other hand it will reduce system administrator task in many ways and save some good amount of time. It doesn’t have any GUI and offers purely command line interface to perform the activity.
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There are several utilities available in Ubuntu to perform system maintenance activity. Each tool has their own unique features and designed accordingly. You can automate this task by adding a cron-job.
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uCareSystem Core will automatically refresh distribution repository, Updates the list of available packages, uninstall packages (obsolete, orphaned & old Linux Kernels) & Clears the retrieved packages to save some disk space on system.
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Suggested Read : [Stacer – Linux System Optimizer and Monitoring Tool][3]
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Suggested Read : [BleachBit – A Quick And Best Way to Clean Up Your System In Linux][4]
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Suggested Read : [Free Up Some Space in Ubuntu/LinuxMint With Ubuntu Cleaner (Fork of Janitor Module)][5]
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#### uCareSystem Core Features
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* Update package lists (It will refresh package index)
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* Downloads and install updates
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* Update packages and system libraries to latest available version
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* Remove unneeded, obsolete & orphaned packages
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* Remove old kernels (It keeps the current and previous one for safety purpose)
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* Remove unused config files
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* Clean downloaded temporary packages
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#### Install uCareSystem Core In Ubuntu/LinuxMint
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We can easily install uCareSystem Core in Ubuntu/LinuxMint through PPA since developer offering the own PPA.
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```
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$ sudo add-apt-repository ppa:utappia/stable
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$ sudo apt update
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$ sudo apt install ucaresystem-core
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```
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We have successfully installed `uCareSystem Core` package and going to check current disk space utilization with help of `df -h`command before executing uCareSystem Core command to know whether it will save some disk space or not?
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```
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$ df -h
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Filesystem Size Used Avail Use% Mounted on
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udev 979M 0 979M 0% /dev
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tmpfs 200M 6.4M 194M 4% /run
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/dev/sda1 38G 19G 17G 54% /
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tmpfs 999M 216K 999M 1% /dev/shm
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tmpfs 5.0M 4.0K 5.0M 1% /run/lock
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tmpfs 999M 0 999M 0% /sys/fs/cgroup
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tmpfs 200M 112K 200M 1% /run/user/1000
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```
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Just run an `ucaresystem-core` command in terminal and sitback reset it will take care automatically and no human interaction requires till the end.
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```
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$ sudo ucaresystem-core
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_______________________________________________________
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uCareSystem Core v3.0
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~ '' ~
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Welcome to all-in-one System Update and maintenance
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assistant app.
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This simple script will automatically
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refresh your packagelist, download and
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install updates (if there are any), remove any old
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kernels, obsolete packages and configuration files
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to free up disk space, without any need of user
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interference.
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_______________________________________________________
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uCareSystem Core will start in 5 seconds...
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#########################
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Started
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#########################
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Ign:1 https://wire-app.wire.com/linux/debian stable InRelease
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Hit:2 https://wire-app.wire.com/linux/debian stable Release
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Hit:4 https://deb.nodesource.com/node_6.x yakkety InRelease
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Hit:5 https://repo.skype.com/deb stable InRelease
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Hit:6 http://in.archive.ubuntu.com/ubuntu yakkety InRelease
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Hit:7 http://archive.canonical.com/ubuntu yakkety InRelease
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.
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.
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.
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Removing linux-image-extra-4.8.0-34-generic (4.8.0-34.36) ...
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Purging configuration files for linux-image-extra-4.8.0-34-generic (4.8.0-34.36) ...
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Removing linux-image-extra-4.8.0-32-generic (4.8.0-32.34) ...
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Purging configuration files for linux-image-extra-4.8.0-32-generic (4.8.0-32.34) ...
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#####################################
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Finished removing unused config files
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#####################################
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Reading package lists... Done
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Building dependency tree
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Reading state information... Done
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Del tilix 1.5.6-1~webupd8~yakkety1 [449 kB]
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Del tilix-common 1.5.6-1~webupd8~yakkety1 [174 kB]
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Del libfreetype6 2.6.3-3ubuntu1.2 [336 kB]
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Del terminix 1.5.6-1~webupd8~yakkety1 [13.7 kB]
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######################################
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Cleaned downloaded temporary packages
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######################################
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#########################
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Done
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#########################
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```
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I could see that, it does the job as expected. Also found it saved almost `2GB` in `/ partition`.
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```
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$ df -h
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Filesystem Size Used Avail Use% Mounted on
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udev 979M 0 979M 0% /dev
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tmpfs 200M 6.4M 194M 4% /run
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/dev/sda1 38G 18G 19G 49% /
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tmpfs 999M 216K 999M 1% /dev/shm
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tmpfs 5.0M 4.0K 5.0M 1% /run/lock
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tmpfs 999M 0 999M 0% /sys/fs/cgroup
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tmpfs 200M 112K 200M 1% /run/user/1000
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```
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--------------------------------------------------------------------------------
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via: http://www.2daygeek.com/ucaresystem-system-update-and-maintenance-tool-for-ubuntu-linuxmint/
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作者：[2DAYGEEK ][a]
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译者：[译者ID](https://github.com/译者ID)
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校对：[校对者ID](https://github.com/校对者ID)
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本文由 [LCTT](https://github.com/LCTT/TranslateProject) 原创编译，[Linux中国](https://linux.cn/) 荣誉推出
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[a]:http://www.2daygeek.com/author/2daygeek/
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[1]:http://www.2daygeek.com/author/2daygeek/
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[2]:https://github.com/cerebrux/uCareSystem
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[3]:http://www.2daygeek.com/stacer-linux-system-optimizer-and-monitoring-tool/
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[4]:http://www.2daygeek.com/bleachbit-system-cleaner-on-ubuntu-debian-fedora-opensuse-arch-linux-mint/
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[5]:http://www.2daygeek.com/ubuntu-cleaner-system-cleaner-ubuntu-tweak-alternative-janitor/
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