screen -ls
screen -S hello
screen -R hello
screen -r hello
screen -x hello
screen -d hello
screen -d -r hello
screen -r [pid/name]
screen -R [pid/Name] -X quit

vim ~/.screenrc
defutf8 on
defencoding utf8
encoding UTF-8 UTF-8

https://www.cnblogs.com/mchina/archive/2013/01/30/2880680.html

yum -y install bzip2 wget gcc gcc-c++ gmp-devel mpfr-devel libmpc-devel make zlib zlib-devel
wget https://ftp.gnu.org/gnu/gcc/gcc-7.5.0/gcc-7.5.0.tar.gz
tar -zxvf gcc-7.5.0.tar.gz
cd gcc-7.5.0
./contrib/download_prerequisites
mkdir gcc-build-7.5
cd gcc-build-7.5
../configure --enable-bootstrap --enable-shared --enable-threads=posix --enable-checking=release --with-system-zlib --enable-__cxa_atexit \
--disable-libunwind-exceptions --enable-gnu-unique-object --enable-linker-build-id --with-linker-hash-style=gnu --enable-languages=c,c++,go,lto \
--enable-plugin --enable-initfini-array --disable-libgcj --enable-gnu-indirect-function --with-tune=generic \
--disable-multilib
make -j$(nproc)
gcc -v
make install
/usr/local/bin/gcc
/usr/local/bin/gcc --version

https://blog.csdn.net/xinming_365/article/details/88430227
https://linux.iooii.comhttps://linux.iooii.com/2021/10/106/

mkdir -p /etc/yum.repos.d/bak$(date +"%y%m%d")
mv /etc/yum.repos.d/*.repo /etc/yum.repos.d/bak$(date +"%y%m%d")
sudo wget -O /etc/yum.repos.d/Centos-Base.repo http://mirrors.aliyun.com/repo/Centos-7.repo
sudo wget -O /etc/yum.repos.d/epel.repo http://mirrors.aliyun.com/repo/epel-7.repo
sudo wget -O /etc/yum.repos.d/Centos-Base.repo http://mirrors.cloud.tencent.com/repo/centos7_base.repo
sudo wget -O /etc/yum.repos.d/epel.repo http://mirrors.cloud.tencent.com/repo/epel-7.repo
sudo wget -O /etc/yum.repos.d/Centos-Base.repo http://mirrors.huaweicloud.com/repository/conf/CentOS-7-anon.repo
sudo wget -O /etc/yum.repos.d/epel.repo http://mirrors.huaweicloud.com/repository/conf/epel-7-anon.repo
sudo yum clean all && yum makecache
sudo yum install curl wget

https://mirrors.wlnmp.com/centos/
mkdir -p /etc/yum.repos.d/bak
mv /etc/yum.repos.d/*.repo /etc/yum.repos.d/bak/
curl -o /etc/yum.repos.d/Centos7-aliyun.repo https://mirrors.wlnmp.com/centos/Centos7-aliyun-x86_64.repo
curl -o /etc/yum.repos.d/Centos7-163.repo https://mirrors.wlnmp.com/centos/Centos7-163-x86_64.repo
curl -o /etc/yum.repos.d/Centos7-tencent.repo https://mirrors.wlnmp.com/centos/Centos7-tencent-x86_64.repo
curl -o /etc/yum.repos.d/Centos7-ustc.repo https://mirrors.wlnmp.com/centos/Centos7-ustc-x86_64.repo
curl -o /etc/yum.repos.d/Centos7-jcut.repo https://mirrors.wlnmp.com/centos/Centos7-jcut-x86_64.repo
curl -o /etc/yum.repos.d/Centos7-tuna.repo https://mirrors.wlnmp.com/centos/Centos7-tuna-x86_64.repo
curl -o /etc/yum.repos.d/Centos7-nyist.repo https://mirrors.wlnmp.com/centos/Centos7-nyist-x86_64.repo
yum clean all
yum makecache

https://developer.aliyun.com/article/1213135
https://www.ekbcloud.com/docs/admin_manual/centos.html
https://www.cnblogs.com/lvzhenjiang/articles/18350828

centos8
cd /etc/yum.repos.d/
mkdir backup && mv repo backup/
curl -o /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-8.repo
sed -i -e"s|mirrors.cloud.aliyuncs.com|mirrors.aliyun.com|g " /etc/yum.repos.d/CentOS-
sed -i -e "s|releasever|releasever-stream|g" /etc/yum.repos.d/CentOS-*
yum clean all && yum makecache
https://www.cnblogs.com/Julien1021/p/16255403.html

================================================================
<php?
$data = file_get_content("php:input");
$data = json_decode($data);
$typeName = $data->typeName;
echo $typeName;
?>

find / -name "ruby" -type f
find / -name "gem" -type d
rpm -qa | grep ruby
ruby -v
echo $PATH
echo $GEM_PATH
echo $GEM_HOME

nano ~/.bashrc
nano ~/.bash_profile
nano ~/.zshrc

cat ~/.bashrc
cat ~/.bash_profile
cat ~/.zshrc

export PATH="$PATH:/path/to/ruby/bin"
export GEM_PATH="/path/to/gems"
export GEM_HOME="/path/to/gems"

source ~/.bashrc
source ~/.bash_profile
source ~/.zshrc

find / -name gitlab | xargs rm -rf
find / -name gitlab | xargs rm -rf

git remote prune origin
git checkout local_branch
git push origin local_branch:remote_branch
git branch -r
git branch
git branch -a
git branch -D BranchName
git branch --delete BranchName
git branch -r -D origin/BranchName
git push origin -d BranchName
git push origin --delete BranchName
git fetch
git checkout -b local_branch origin/remote_branch
git fetch origin local_branch:remote_branch
git checkout remote_branch

git submodule add git@github.com:jjz/pod-library.git common
git status
git push --recurse-submodules=check
git push --recurse-submodules=on-demand

git clean -n
git clean -f
git clean -df
git clean -xdf
git reset --hard

https://www.cnblogs.com/sunlong88/p/8681363.html

git clone
git init
git add
git mv
git reset
git rm
git bisect
git grep
git log
git show
git status
got branch
git checkout
git commit
git diff
git merge
git rebase
git tag
git fetch
git pull
git push

anon-access = none
auth-access = write
password-db = /var/svn/conf/passwd
authz-db = /var/svn/conf/authz
realm = test

cat /var/svn/conf/passwd
vim /var/svn/conf/passwd

[users]
admin = 123456
user1 = 123456
user2 = 123456

cat /var/svn/conf/authz
vim /var/svn/conf/authz

[groups]
test0 = admin
test1 = admin,user1
test2 = adnin,user2
[test:/]
@test0 = rw

• =
  [test:/base1/]
  @test1 = rw
• =
  [test:/base2/]
  @test2 = rw
• =

================================================================
svnserve -d -r /usr/svn

svn checkout svn://x.x.x.x/test test --username 'admin' --password '123456'
svn revert -R /