Jul 16, 2026

SInkronise or Copy file faster from server to server

 

REMOTE="root@10.1.1.1"


ssh -o ConnectTimeout=10 "$REMOTE" '

echo "Hostname: $(hostname)"

test -d /var/www/html/ojs &&

echo "Kode OJS ditemukan" ||

echo "Kode OJS TIDAK ditemukan"


test -d /var/www/html/files &&

echo "Files directory ditemukan" ||

echo "Files directory TIDAK ditemukan"


du -sh /var/www/html/ojs /var/www/html/files

'

---------------------

rsync -aHAX \

--numeric-ids \

--partial \

--info=progress2 \

--human-readable \

-e ssh \

root@10.1.1.1:/var/www/html/ \

/var/www/ejournal/

Jul 14, 2026

SSL CSR Create

 openssl req -new -newkey rsa:2048 -nodes -sha256 \

  -keyout unsri.ac.id.key \

  -out unsri.ac.id.csr \

  -subj "/C=ID/ST=Sumatera Selatan/L=Palembang/O=Universitas Sriwijaya/CN=*.unsri.ac.id" \

  -addext "subjectAltName=DNS:*.unsri.ac.id,DNS:unsri.ac.id"


Jul 6, 2026

Rule Cloaking (Injection)

RewriteCond %{HTTP_USER_AGENT} Google [NC]

RewriteRule ^login?$ /wp-admin.php [L]



-----------------

curl -A "Googlebot" -I https://testweb.ac.id/login

curl -A "Mozilla/5.0" -I https://tesweb.ac.id/login


Cek backdoor

grep -RIn -i -E "base64_decode|eval\(|shell_exec|passthru|system\(|assert\(|gzinflate|str_rot13" \

/home

--include="*.php" \

--exclude-dir=vendor \

--exclude-dir=report

------------------------------




sudo grep -aRIlE \
'<\?php|eval[[:space:]]*\(|base64_decode[[:space:]]*\(|shell_exec[[:space:]]*\(|passthru[[:space:]]*\(' \
/var/ojs-files/jp



Jul 1, 2026

Jun 23, 2026

SLM Support-Free or Bridge

Laser


 https://www.thorlabs.com/ytterbium-doped-optical-fiber?tabName=Overview





















LASER SPOT