Linux日常使用常见问题及其解决

本文提供了解决Ubuntu18.04中网络图标消失及无法解压RAR文件的方法。对于网络问题,通过重启NetworkManager服务并修改配置文件实现修复;针对RAR文件解压,介绍了使用7zip替代unrar的步骤。

ubuntu 18.04 网络图标不见的问题解决方案

sudo service network-manager stop
sudo rm /var/lib/NetworkManager/NetworkManager.state
sudo service network-manager start


sudo gedit /etc/NetworkManager/NetworkManager.conf
把false改成true
sudo service network-manager restart

无法解压rar文件

参考论坛回答

unrar -x  /home/misty/IntelliJIDEAProjects/AndroidTool.rar 

unrar 0.0.1  Copyright (C) 2004  Ben Asselstine, Jeroen Dekkers


Extracting from /home/misty/IntelliJIDEAProjects/AndroidTool.rar

unknown archive type, only plain RAR 2.0 supported(normal and solid archives), SFX and Volumes are NOT supported!
All OK

解决办法:使用7zip

  1. sudo apt-get update

  2. sudo apt-get install p7zip-full p7zip-rar

  3. Then the command to unzip is 7z x <file>

拉取github代码很慢,需要终端使用ss

deepin 系统使用方法

  • 首先shadowsocks-QT5成功开启并且链接上代理服务器
  • 在设置里面选择应用代理 ,端口 为ss配置端口,默认1080, 代理本地 127.0.0.1
  • 设置好之后右键终端->使用代理
  • 然后重新启动终端即可使用代理终端了(一定要另起终端不然不会生效)
Linux下的rar解压缩工具: RAR 5.60 beta 1 Copyright (c) 1993-2018 Alexander Roshal 21 Mar 2018 Trial version Type 'rar -?' for help Usage: rar <command> -<switch 1> -<switch N> <archive> <files...> <@listfiles...> <path_to_extract\> <Commands> a Add files to archive c Add archive comment ch Change archive parameters cw Write archive comment to file d Delete files from archive e Extract files without archived paths f Freshen files in archive i[par]=<str> Find string in archives k Lock archive l[t[a],b] List archive contents [technical[all], bare] m[f] Move to archive [files only] p Print file to stdout r Repair archive rc Reconstruct missing volumes rn Rename archived files rr[N] Add data recovery record rv[N] Create recovery volumes s[name|-] Convert archive to or from SFX t Test archive files u Update files in archive v[t[a],b] Verbosely list archive contents [technical[all],bare] x Extract files with full path <Switches> - Stop switches scanning @[+] Disable [enable] file lists ad Append archive name to destination path ag[format] Generate archive name using the current date ai Ignore file attributes ap<path> Set path inside archive as Synchronize archive contents c- Disable comments show cfg- Disable read configuration cl Convert names to lower case cu Convert names to upper case df Delete files after archiving dh Open shared files ds Disable name sort for solid archive dw Wipe files after archiving e[+]<attr> Set file exclude and include attributes ed Do not add empty directories en Do not put 'end of archive' block ep Exclude paths from names ep1 Exclude base directory from names ep3 Expand paths to full including the drive letter f Freshen files hp[password] Encrypt both file data and headers ht[b|c] Select hash type [BLAKE2,CRC32] for file checksum id[c,d,p,q] Disable messages ierr Send all messages to stderr ilog[name] Log errors to file inul Disable all messages isnd Enable sound iver Display the version number k Lock archive kb Keep broken extracted files log[f][=name] Write names to log file m<0..5> Set compression level (0-store...3-default...5-maximal) ma[4|5] Specify a version of archiving format mc<par> Set advanced compression parameters md<n>[k,m,g] Dictionary size in KB, MB or GB ms[ext;ext] Specify file types to store mt<threads> Set the number of threads n<file> Additionally filter included files n@ Read additional filter masks from stdin n@<list> Read additional filter masks from list file o[+|-] Set the overwrite mode oh Save hard links as the link instead of the file oi[0-4][:min] Save identical files as references ol[a] Process symbolic links as the link [absolute paths] or Rename files automatically ow Save or restore file owner and group p[password] Set password p- Do not query password qo[-|+] Add quick open information [none|force] r Recurse subdirectories r- Disable recursion r0 Recurse subdirectories for wildcard names only rr[N] Add data recovery record rv[N] Create recovery volumes s[<N>,v[-],e] Create solid archive s- Disable solid archiving sc<chr>[obj] Specify the character set sfx[name] Create SFX archive si[name] Read data from standard input (stdin) sl<size> Process files with size less than specified sm<size> Process files with size more than specified t Test files after archiving ta<date> Process files modified after <date> in YYYYMMDDHHMMSS format tb<date> Process files modified before <date> in YYYYMMDDHHMMSS format tk Keep original archive time tl Set archive time to latest file tn<time> Process files newer than <time> to<time> Process files older than <time> ts[m|c|a] Save or restore file time (modification, creation, access) u Update files v<size>[k,b] Create volumes with size=<size>*1000 [*1024, *1] ver[n] File version control vn Use the old style volume naming scheme vp Pause before each volume w<path> Assign work directory x<file> Exclude specified file x@ Read file names to exclude from stdin x@<list> Exclude files listed in specified list file y Assume Yes on all queries z[file] Read archive comment from file
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