hushui的专栏

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Linux shell history

ssh -o PreferredAuthentications=password -o PubkeyAuthentication=no example.com

[lake@localhost]$ echo "href=\"./index.php@commmnd=223\""href="./index.php@commmnd=223"[lake@localhost]$ echo "href=\"./index.php@commmnd=223\"" |sed 's/href\=\"\(.*\)\"/href\=\"\1\.html\"/g'href="./index.php@commmnd=223.html"Use [^\"]* ,...

SSH proxy

# sed for empty lines' removecat yourfilelist | sed -r '/^\s*$/d' |xargs -r cp -p -v --target-directory=/your_destnation_folder_name/

find path/to/dir/* \! -name 'this_dir_stays_put' -type d -maxdepth 0 \ -exec mv {} new/location \;

[lake@server /]$ cat > $HOME/.pydistutils.cfg <<EOF> [install]> user=1> EOF[lake@server /]$ pip install --upgrade youtube_dlCollecting youtube_dl Downloading https://files.pythonhosted.org/packages/a4/43/1f586e49e68f8b41c4be41630.

cd `ls | awk 'NR==1'`NR 由ls确定是第几个乱码目录例如[lake@localhhost down.52pojie.cn]$ ls |awk 'NR==2' ...

Refer toQemu2.x user mode/Ubuntu18 for Chroot/ARM qemu-user-static/CONFIG_BINFMT_MISC/Ubuntu/ARM/Rootfshttps://blog.youkuaiyun.com/hushui/article/details/103791704Try qemu/ARM/buildrootsudo mount -t proc /proc /home/lake/nfs/busybox-buildroot/proc...

[lake@localhost kernel]$ diff --helpUsage: diff [OPTION]... FILESCompare FILES line by line.Mandatory arguments to long options are mandatory for short options too. --normal output a normal diff (the default) -u, -U NUM, --un.

Refer togit command tips: big files and remove in all brancheshttps://blog.youkuaiyun.com/hushui/article/details/1033616631. git find big fileslake@localhost: aosp_git_android$ git rev-list --all | xargs -rL1 git ls-tree -r --long | sort -u...

[lake@localhost ~]$ cat test_chrt.sh#!/bin/bash## sudo chrt -f 99 /home/lake/test_chrt.sh#dd if=/home/lake/rk15G-size-sd-XXX.img of=/dev/sdd

1. list service 列出正在运行的 Unit$ systemctl list-units# 列出所有Unit，包括没有找到配置文件的或者启动失败的$ systemctl list-units --all# 列出所有没有运行的 Unit$ systemctl list-units --all --state=inactive# 列出所有加载失败的 Unit$ systemctl list-units --failed# 列出所有正在运行的、类型为 service 的.

1. folder sync scp -r user@server:remove_folder local2. keep symbolic link through tar# On the source server:# cd /path/to/contenttar cf - * | ssh user@destination '(cd /path/to/content; tar xf - )'The files are compressed and...

find obj.XXX -type f -name '*.o' |xargs du -hcs |grep total$38M total53M total21M total

find . -type f -name "*.tgz" -printf [%f]\\n -exec tar -tf {} \; | grep -iE "[\[]|CompressedfilenameInsideTgz"

SET mypath=%~dp0set vc_path=%mypath:~0,-1%### Example C:\work\Develop>.\VC6\Bin\VCVARS32_win10.BATC:\work\Develop>echo %mypath%C:\work\Develop\VC6\Bin\C:\work\Develop>echo %mypath:~0,-1%C:\work\Develop\VC6\Bin

http://www.brendangregg.com/Perf/linux_observability_tools.pngeMMC dd/performance check on aarch64########## note bs size will affect performance./ # dd if=/dev/mmcblk0p1 of=/dev/null bs=1 count=1024MB670040576+0 records in6700...

[localroot]$ cat stresstest.exp#!/usr/bin/expectset timeout 60set prompt {~ # }#exp_internal 1set mtc 0set starttime [exec date ]set ip [lindex $argv 0]set NUM 0while { 1 } { set sleeptime [expr int(rand() * 10 + 30)] set NUM [ expr $N.

Rsync through SSHExamplersync -r -l -t -e ssh --include="*.cpp" --include="*.c" --include="*.h" --include='*/' --exclude='*' --progress lake@10.0.0.1:/home/lake/live-git/ live-local rsync -r -l -t -e ssh --include=...

[lake@galaxy share]$ grep lhu3 * -Rqemu/firmware/60-edk2-arm.json: "filename": "/home/lhu3/usr/share/qemu/edk2-arm-code.fd",qemu/firmware/60-edk2-arm.json: "filename": "/home/lhu3/usr/share/qemu/edk2-arm-vars.fd",qemu/firmware/6...

bzip2recover archive.tar.bz2bzip2 -tv rec*.bz2 > testoutput.log 2>&1# split into folders at each broken bitbzip2 -dc rec*.bz2 > recovery1.tarbzip2 -dc rec*.bz2 > recovery2_failing.tar./findtarheader.pl recovery2_failing.tar | hea...

lake@PC-XXX:/mnt/c/work/test$ wget --level=inf --limit-rate=20K --recursive --page-requisites --user-agent=Mozilla --no-parent --convert-links --adjust-extension --no-clobber -e robots=off \ https://XXXXX.com/products/master/docs...

tar zcvf /tmp/log.tgz ./* --exclude=./logs注意./* 与exclude的 ./logs必须目录层次一致

ORgrep 'pattern1\|pattern2' filenamegrep -E 'pattern1|pattern2' filenameGrep ANDgrep中并没有AND操作符，但你可以使用-E选项来模拟。grep -E 'pattern1.*pattern2' filenamegrep -E 'pattern1.*pattern2|patte...

cat ~/tmp/output.txtunitStatus 23 2isoMode 99 5isoModeConfig 3 1occupied 17 4minValue 104 3maxValue 74 3oMinValue 11 2oMaxValue 12 2unitStatus2 11 2isoMode2 26 5isoModeC...

$find . -name "*.c" -o -name "*.cpp"./library/Mapping.c./library/Communicator.cppArg:-a -and - operator AND-o -or - operator OR! - operator NOTExample...

Example 1 :#!/bin/bashwhile read linedo echo $linedone < yourfileinputpath.txtExample 2:#!/bin/bashfor line in `cat yourfileinputpath.txt`do echo $linedone...

$ echo " char password[10][18]; struct NetworkVariable netVars[NUM_NETWORK_VARIABLES][2]" |sed -e 's/\[[^][]*\]//g' char password; struct NetworkVariable netVars

10-22 14:52:57.916 1446 1754 D ORE-APS-BRIDGE: attr: 700710-22 14:52:57.916 1446 1754 D ORE-CORE: windowstaskinterface::windowstaskinterfaceSENDITwithReply10-22 14:52:58.044 1446 1755 D XM...

git@gitlab.com:TeeFirefly/FireNow-Nougat.githttps://gitlab.com/TeeFirefly/FireNow-Nougat.githttps://github.com/foo/bar/commit/${SHA}.patchExample:https://gitlab.com/TeeFirefly/FireNow...

1. Skip password for sftp download. refer to (sftp auto login/authorized_keys Putty etc)https://blog.youkuaiyun.com/hushui/article/details/1017757752. SFTP upload without interaction2.1 Use scp ins...

## ROOTC:\Temp>adb root && adb remountremount succeededC:\Temp>adb shell date --helpusage: date [-u] [-r FILE] [-d DATE] [+DISPLAY_FORMAT] [-D SET_FORMAT] [SET]Set/get the curre...

lake@M5273296:~$ date -RMon, 28 Oct 2019 15:38:35 +0800lake@M5273296:~$ sudo cp /usr/share/zoneinfo/Asia/T /etc/localtimeTaipei Tashkent Tbilisi Tehran Tel_Aviv Thimbu Thimphu ...

## Step 1OutSideHost/Linux build server/Remote 192.168.1.1root@OutSideHost:/localrepo/root/rm/jci/rm/engine$ netstat -an --tcp |grep 16000Make sure 16000/TCP is not used## Step 2 SSH ...

Android debug bridge command line-adb shell tips continue1. Kill specified process / Linux hostadb shell pidof -s "my-target-process" | xargs -I{} kill "{}"2. Windows run.bat with prepare-...

https://askubuntu.com/questions/1031709/ubuntu-18-04-switch-back-to-etc-network-interfacesThe following procedure works for Ubuntu18.04(Bionic Beaver)I.Reinstall theifupdownpackage:# ap...

Example/Test in Ubuntu18$ pkg-config --cflags --libs opencv-I/usr/include/opencv -lopencv_shape -lopencv_stitching -lopencv_superres -lopencv_videostab -lopencv_aruco -lopencv_bgsegm -lopencv_bioin...

1. vfat/LinuxDefault is ascii, Chinese/utf-8 is not shown OK[root@localhost ~]# mount |grep sdc/dev/sdc1 on /mnt/temp type vfat (rw,relatime,fmask=0022,dmask=0022,codepage=437,iocharset=...