なんでも屋さんの自称SEさんが、知らなかったことをメモ代わりに書いてます。
たまに関係のないことも書きますが、良かったら参考にどうぞ。
2020/11
なんでも屋さんだったSEさんは、転職しました。今は社内SEさんとして、自社システム開発してます。でも、一人なんだよね・・・
2021/8 もう少し自分で考えてよって人が増えました...いい歳なんだからさー、指示待ちやめてよねー
2023/11 転職してから早３年、仲間が４名になりました！
2024/10 この一年で貯金がかなり減りました・・・
# touch file{1..100}# touch file{001..100}# dd if=/dev/zero of=file bs=1024 count=10
# for i in `seq -w 1 100`; do cp file file${i}; donewget -e robots=off\ --output-file=./wget.log\ --no-cache\ --html-extension\ --convert-links\ --page-requisites\ --restrict-file-names=nocontrol,windows\ --domains=www.example.com\ --no-parent\ --mirror\ --wait=1\ --waitretry=1\ --timeout=5\ http://www.example.com/
wget -e robots=off\ --output-file=./wget.log\ --no-cache\ --html-extension\ --convert-links\ --page-requisites\ --restrict-file-names=nocontrol,windows\ --domains=www.example.com\ --no-parent\ --mirror\ --wait=1\ --waitretry=1\ --timeout=5\ --exclude-directories=/feed\ http://www.example.com/
remove_action('wp_head', 'feed_links_extra', 3);
[root@websv ~] # which apachectl /usr/sbin/apachectl [root@websv ~] # less /usr/sbin/apachectl ... # |||||||||||||||||||| START CONFIGURATION SECTION |||||||||||||||||||| # -------------------- -------------------- # # the path to your httpd binary, including options if necessary HTTPD='/usr/sbin/httpd' # # # a command that outputs a formatted text version of the HTML at the # url given on the command line. Designed for lynx, however other # programs may work. if [ -x "/usr/bin/links" ]; then LYNX="/usr/bin/links -dump" else LYNX=none fi # # the URL to your server's mod_status status page. If you do not # have one, then status and fullstatus will not work. STATUSURL="http://websv:80/server-status" ... [root@websv ~] # man links ... -dump-width (alias for document.dump.width) Width of the dump output. ... [root@websv ~] # /usr/bin/links -dump http://websv:80/server-status/ ... Srv PID Acc M CPU SS Req Conn Child Slot Client VHost Request GET 0-0 19019 0/7/7 _ 0.00 58 0 0.0 0.03 0.03 127.0.0.1 websv01:80 /server-status HTTP/1.1 GET 1-0 19020 0/7/7 _ 0.00 18 0 0.0 0.03 0.03 127.0.0.1 websv01:80 /server-status/ HTTP/1.1 GET 2-0 19021 0/6/6 W 0.00 0 0 0.0 0.03 0.03 127.0.0.1 websv01:80 /server-status/ HTTP/1.1 GET 3-0 19022 0/6/6 _ 0.00 178 0 0.0 0.03 0.03 127.0.0.1 websv01:80 /server-status HTTP/1.1 GET 4-0 19023 0/6/6 _ 0.00 118 0 0.0 0.03 0.03 127.0.0.1 websv01:80 /server-status HTTP/1.1 ... [root@websv ~] # /usr/bin/links -dump http://websv:80/server-status/ -dump-width 192 ... Srv PID Acc M CPU SS Req Conn Child Slot Client VHost Request 0-0 19019 0/7/7 _ 0.00 39 0 0.0 0.03 0.03 127.0.0.1 websv01:80 GET /server-status HTTP/1.1 1-0 19020 0/6/6 W 0.00 0 0 0.0 0.03 0.03 127.0.0.1 websv01:80 GET /server-status/ HTTP/1.1 2-0 19021 0/6/6 _ 0.00 170 0 0.0 0.03 0.03 127.0.0.1 websv01:80 GET /server-status HTTP/1.1 3-0 19022 0/6/6 _ 0.00 159 0 0.0 0.03 0.03 127.0.0.1 websv01:80 GET /server-status HTTP/1.1 4-0 19023 0/6/6 _ 0.00 99 0 0.0 0.03 0.03 127.0.0.1 websv01:80 GET /server-status HTTP/1.1 ...
mysqld --verbose --help
mysqld --no-defaults --verbose --help
yum install hogehoge
yum check-update
yum update hogehoge
yum remove hogehoge
yum list install
yum --showduplicates list hogehoge
crm configure property maintenance-mode=true
crm resource stop リソース名
crm resource start リソース名
crm resource restart リソース名
crm configure property maintenance-mode=false
# chkconfig --list # systemctl list-unit-files -t service
# chkconfig hoge on # systemctl enable hoge.service
# chkconfig hoge off # systemctl disable hoge.service
# service hoge start # systemctl start hoge.service
# service hoge status # systemctl status hoge.service
# service hoge stop # systemctl stop hoge.service
yum install epel-release
yum install clamav clamav-update
vi /etc/freshclam.conf
------------------------------------------------------------
#Example
------------------------------------------------------------
/etc/sysconfig/freshclam
------------------------------------------------------------
#FRESHCLAM_DELAY=disabled-warn # REMOVE ME
------------------------------------------------------------
vi /etc/cron.weekly/clamscan
------------------------------------------------------------
#!/bin/bash
PATH=/usr/bin:/bin
# clamd update
yum -y update clamav clamav-update > /dev/null 2>&1
# excludeopt setup
excludelist=/usr/local/etc/clamscan.exclude
if [ -s $excludelist ]; then
for i in `cat $excludelist`
do
if [ $(echo "$i"|grep \/$) ]; then
i=`echo $i|sed -e 's/^\([^ ]*\)\/$/\1/p' -e d`
excludeopt="${excludeopt} --exclude-dir=$i"
else
excludeopt="${excludeopt} --exclude=$i"
fi
done
fi
# signature update
freshclam > /dev/null
# virus scan
CLAMSCANTMP=`mktemp`
clamscan --recursive --remove ${excludeopt} / > $CLAMSCANTMP 2>&1
[ ! -z "$(grep FOUND$ $CLAMSCANTMP)" ] && \
# report mail send
grep FOUND$ $CLAMSCANTMP | mail -s "Virus Found in `hostname`" root
rm -f $CLAMSCANTMP
------------------------------------------------------------
chmod 700 /etc/cron.weekly/clamscan
echo "/proc/" >> /usr/local/etc/clamscan.exclude
echo "/sys/" >> /usr/local/etc/clamscan.exclude
# repoquery --list パッケージ名
# rpm -ql パッケージ名
[mysqld] character-set-server=utf8 [client] default-character-set=utf8
久しぶりにリライトルールを書いたよ。 ドキュメントルートに.htaccessを置く場合の記述↓ # 403.html は実体がなくてよい。この設定をすることで、あっても使われなくなる。 ErrorDocument 403 /403.html # 独自の404ページをドキュメ...